#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

Classes
struct	ImpellerRect

struct	ImpellerPoint

struct	ImpellerSize

struct	ImpellerISize

struct	ImpellerRange

struct	ImpellerMatrix

struct	ImpellerColorMatrix

struct	ImpellerRoundingRadii

struct	ImpellerColor

struct	ImpellerTextureDescriptor

struct	ImpellerMapping

struct	ImpellerContextVulkanSettings

struct	ImpellerContextVulkanInfo

struct	ImpellerTextDecoration

Macros
#define	IMPELLER_EXTERN_C

#define	IMPELLER_EXTERN_C_BEGIN

#define	IMPELLER_EXTERN_C_END

#define	IMPELLER_EXPORT_DECORATION __attribute__((visibility("default")))

#define	IMPELLER_EXPORT IMPELLER_EXPORT_DECORATION

#define	IMPELLER_NULLABLE

#define	IMPELLER_NONNULL

#define	IMPELLER_NODISCARD

#define	IMPELLER_MAKE_VERSION(variant, major, minor, patch)
	Pack a version in a uint32_t. More...

#define	IMPELLER_VERSION_VARIANT 1

#define	IMPELLER_VERSION_MAJOR 1

#define	IMPELLER_VERSION_MINOR 4

#define	IMPELLER_VERSION_PATCH 0

#define	IMPELLER_VERSION

#define	IMPELLER_VERSION_GET_VARIANT(version) ((uint32_t)(version) >> 29U)

#define	IMPELLER_VERSION_GET_MAJOR(version) (((uint32_t)(version) >> 22U) & 0x7FU)

#define	IMPELLER_VERSION_GET_MINOR(version) (((uint32_t)(version) >> 12U) & 0x3FFU)

#define	IMPELLER_VERSION_GET_PATCH(version) ((uint32_t)(version) & 0xFFFU)

#define	IMPELLER_INTERNAL_HANDLE_NAME(handle) handle##_

#define	IMPELLER_DEFINE_HANDLE(handle) typedef struct IMPELLER_INTERNAL_HANDLE_NAME(handle) * handle;

Typedefs
typedef void(*	ImpellerCallback) (void *IMPELLER_NULLABLE user_data)

typedef void IMPELLER_NULLABLE(	ImpellerProcAddressCallback) (const char IMPELLER_NONNULL proc_name, void IMPELLER_NULLABLE user_data)

typedef void IMPELLER_NULLABLE(	ImpellerVulkanProcAddressCallback) (void IMPELLER_NULLABLE vulkan_instance, const char IMPELLER_NONNULL vulkan_proc_name, void *IMPELLER_NULLABLE user_data)

typedef enum ImpellerFillType	ImpellerFillType

typedef enum ImpellerClipOperation	ImpellerClipOperation

typedef enum ImpellerBlendMode	ImpellerBlendMode

typedef enum ImpellerDrawStyle	ImpellerDrawStyle

typedef enum ImpellerStrokeCap	ImpellerStrokeCap

typedef enum ImpellerStrokeJoin	ImpellerStrokeJoin

typedef enum ImpellerPixelFormat	ImpellerPixelFormat

typedef enum ImpellerTextureSampling	ImpellerTextureSampling

typedef enum ImpellerTileMode	ImpellerTileMode

typedef enum ImpellerBlurStyle	ImpellerBlurStyle

typedef enum ImpellerColorSpace	ImpellerColorSpace

typedef enum ImpellerFontWeight	ImpellerFontWeight

typedef enum ImpellerFontStyle	ImpellerFontStyle

typedef enum ImpellerTextAlignment	ImpellerTextAlignment

typedef enum ImpellerTextDirection	ImpellerTextDirection

typedef enum ImpellerTextDecorationType	ImpellerTextDecorationType

typedef enum ImpellerTextDecorationStyle	ImpellerTextDecorationStyle

typedef struct ImpellerRect	ImpellerRect

typedef struct ImpellerPoint	ImpellerPoint

typedef struct ImpellerSize	ImpellerSize

typedef struct ImpellerISize	ImpellerISize

typedef struct ImpellerRange	ImpellerRange

typedef struct ImpellerMatrix	ImpellerMatrix

typedef struct ImpellerColorMatrix	ImpellerColorMatrix

typedef struct ImpellerRoundingRadii	ImpellerRoundingRadii

typedef struct ImpellerColor	ImpellerColor

typedef struct ImpellerTextureDescriptor	ImpellerTextureDescriptor

typedef struct ImpellerMapping	ImpellerMapping

typedef struct ImpellerContextVulkanSettings	ImpellerContextVulkanSettings

typedef struct ImpellerContextVulkanInfo	ImpellerContextVulkanInfo

typedef struct ImpellerTextDecoration	ImpellerTextDecoration

Enumerations
enum	ImpellerFillType { kImpellerFillTypeNonZero , kImpellerFillTypeOdd }

enum	ImpellerClipOperation { kImpellerClipOperationDifference , kImpellerClipOperationIntersect }

enum	ImpellerBlendMode { kImpellerBlendModeClear , kImpellerBlendModeSource , kImpellerBlendModeDestination , kImpellerBlendModeSourceOver , kImpellerBlendModeDestinationOver , kImpellerBlendModeSourceIn , kImpellerBlendModeDestinationIn , kImpellerBlendModeSourceOut , kImpellerBlendModeDestinationOut , kImpellerBlendModeSourceATop , kImpellerBlendModeDestinationATop , kImpellerBlendModeXor , kImpellerBlendModePlus , kImpellerBlendModeModulate , kImpellerBlendModeScreen , kImpellerBlendModeOverlay , kImpellerBlendModeDarken , kImpellerBlendModeLighten , kImpellerBlendModeColorDodge , kImpellerBlendModeColorBurn , kImpellerBlendModeHardLight , kImpellerBlendModeSoftLight , kImpellerBlendModeDifference , kImpellerBlendModeExclusion , kImpellerBlendModeMultiply , kImpellerBlendModeHue , kImpellerBlendModeSaturation , kImpellerBlendModeColor , kImpellerBlendModeLuminosity }

enum	ImpellerDrawStyle { kImpellerDrawStyleFill , kImpellerDrawStyleStroke , kImpellerDrawStyleStrokeAndFill }

enum	ImpellerStrokeCap { kImpellerStrokeCapButt , kImpellerStrokeCapRound , kImpellerStrokeCapSquare }

enum	ImpellerStrokeJoin { kImpellerStrokeJoinMiter , kImpellerStrokeJoinRound , kImpellerStrokeJoinBevel }

enum	ImpellerPixelFormat { kImpellerPixelFormatRGBA8888 }

enum	ImpellerTextureSampling { kImpellerTextureSamplingNearestNeighbor , kImpellerTextureSamplingLinear }

enum	ImpellerTileMode { kImpellerTileModeClamp , kImpellerTileModeRepeat , kImpellerTileModeMirror , kImpellerTileModeDecal }

enum	ImpellerBlurStyle { kImpellerBlurStyleNormal , kImpellerBlurStyleSolid , kImpellerBlurStyleOuter , kImpellerBlurStyleInner }

enum	ImpellerColorSpace { kImpellerColorSpaceSRGB , kImpellerColorSpaceExtendedSRGB , kImpellerColorSpaceDisplayP3 }

enum	ImpellerFontWeight { kImpellerFontWeight100 , kImpellerFontWeight200 , kImpellerFontWeight300 , kImpellerFontWeight400 , kImpellerFontWeight500 , kImpellerFontWeight600 , kImpellerFontWeight700 , kImpellerFontWeight800 , kImpellerFontWeight900 }

enum	ImpellerFontStyle { kImpellerFontStyleNormal , kImpellerFontStyleItalic }

enum	ImpellerTextAlignment { kImpellerTextAlignmentLeft , kImpellerTextAlignmentRight , kImpellerTextAlignmentCenter , kImpellerTextAlignmentJustify , kImpellerTextAlignmentStart , kImpellerTextAlignmentEnd }

enum	ImpellerTextDirection { kImpellerTextDirectionRTL , kImpellerTextDirectionLTR }

enum	ImpellerTextDecorationType { kImpellerTextDecorationTypeNone = 0 << 0 , kImpellerTextDecorationTypeUnderline = 1 << 0 , kImpellerTextDecorationTypeOverline = 1 << 1 , kImpellerTextDecorationTypeLineThrough = 1 << 2 }

enum	ImpellerTextDecorationStyle { kImpellerTextDecorationStyleSolid , kImpellerTextDecorationStyleDouble , kImpellerTextDecorationStyleDotted , kImpellerTextDecorationStyleDashed , kImpellerTextDecorationStyleWavy }

Functions
	IMPELLER_DEFINE_HANDLE (ImpellerContext)

	IMPELLER_DEFINE_HANDLE (ImpellerDisplayList)

	IMPELLER_DEFINE_HANDLE (ImpellerDisplayListBuilder)

	IMPELLER_DEFINE_HANDLE (ImpellerPaint)

	IMPELLER_DEFINE_HANDLE (ImpellerColorFilter)

	IMPELLER_DEFINE_HANDLE (ImpellerColorSource)

	IMPELLER_DEFINE_HANDLE (ImpellerImageFilter)

	IMPELLER_DEFINE_HANDLE (ImpellerMaskFilter)

	IMPELLER_DEFINE_HANDLE (ImpellerTypographyContext)

	IMPELLER_DEFINE_HANDLE (ImpellerParagraph)

	IMPELLER_DEFINE_HANDLE (ImpellerParagraphBuilder)

	IMPELLER_DEFINE_HANDLE (ImpellerParagraphStyle)

	IMPELLER_DEFINE_HANDLE (ImpellerLineMetrics)

	IMPELLER_DEFINE_HANDLE (ImpellerGlyphInfo)

	IMPELLER_DEFINE_HANDLE (ImpellerPath)

	IMPELLER_DEFINE_HANDLE (ImpellerPathBuilder)

	IMPELLER_DEFINE_HANDLE (ImpellerSurface)

	IMPELLER_DEFINE_HANDLE (ImpellerTexture)

	IMPELLER_DEFINE_HANDLE (ImpellerVulkanSwapchain)

	IMPELLER_DEFINE_HANDLE (ImpellerFragmentProgram)

IMPELLER_EXPORT uint32_t	ImpellerGetVersion ()
	Get the version of Impeller standalone API. This is the API that will be accepted for validity checks when provided to the context creation methods. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerContext IMPELLER_NULLABLE	ImpellerContextCreateOpenGLESNew (uint32_t version, ImpellerProcAddressCallback IMPELLER_NONNULL gl_proc_address_callback, void *IMPELLER_NULLABLE gl_proc_address_callback_user_data)
	Create an OpenGL(ES) Impeller context. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerContext IMPELLER_NULLABLE	ImpellerContextCreateMetalNew (uint32_t version)
	Create a Metal context using the system default Metal device. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerContext IMPELLER_NULLABLE	ImpellerContextCreateVulkanNew (uint32_t version, const ImpellerContextVulkanSettings *IMPELLER_NONNULL settings)
	Create a Vulkan context using the provided Vulkan Settings. More...

IMPELLER_EXPORT void	ImpellerContextRetain (ImpellerContext IMPELLER_NULLABLE context)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerContextRelease (ImpellerContext IMPELLER_NULLABLE context)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT bool	ImpellerContextGetVulkanInfo (ImpellerContext IMPELLER_NONNULL context, ImpellerContextVulkanInfo *IMPELLER_NONNULL out_vulkan_info)
	Get internal Vulkan handles managed by the given Vulkan context. Ownership of the handles is still maintained by Impeller. This accessor is just available so embedders can create resources using the same device and instance as Impeller for interop. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerVulkanSwapchain IMPELLER_NULLABLE	ImpellerVulkanSwapchainCreateNew (ImpellerContext IMPELLER_NONNULL context, void *IMPELLER_NONNULL vulkan_surface_khr)
	Create a new Vulkan swapchain using a VkSurfaceKHR instance. Ownership of the surface is transferred over to Impeller. The Vulkan instance the surface is created from must the same as the context provided. More...

IMPELLER_EXPORT void	ImpellerVulkanSwapchainRetain (ImpellerVulkanSwapchain IMPELLER_NULLABLE swapchain)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerVulkanSwapchainRelease (ImpellerVulkanSwapchain IMPELLER_NULLABLE swapchain)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerSurface IMPELLER_NULLABLE	ImpellerVulkanSwapchainAcquireNextSurfaceNew (ImpellerVulkanSwapchain IMPELLER_NONNULL swapchain)
	A potentially blocking operation, acquires the next surface to render to. Since this may block, surface acquisition must be delayed for as long as possible to avoid an idle wait on the CPU. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerSurface IMPELLER_NULLABLE	ImpellerSurfaceCreateWrappedFBONew (ImpellerContext IMPELLER_NONNULL context, uint64_t fbo, ImpellerPixelFormat format, const ImpellerISize *IMPELLER_NONNULL size)
	Create a new surface by wrapping an existing framebuffer object. The framebuffer must be complete as determined by `glCheckFramebufferStatus`. The framebuffer is still owned by the caller and it must be collected once the surface is collected. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerSurface IMPELLER_NULLABLE	ImpellerSurfaceCreateWrappedMetalDrawableNew (ImpellerContext IMPELLER_NONNULL context, void *IMPELLER_NONNULL metal_drawable)
	Create a surface by wrapping a Metal drawable. This is useful during WSI when the drawable is the backing store of the Metal layer being drawn to. More...

IMPELLER_EXPORT void	ImpellerSurfaceRetain (ImpellerSurface IMPELLER_NULLABLE surface)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerSurfaceRelease (ImpellerSurface IMPELLER_NULLABLE surface)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT bool	ImpellerSurfaceDrawDisplayList (ImpellerSurface IMPELLER_NONNULL surface, ImpellerDisplayList IMPELLER_NONNULL display_list)
	Draw a display list onto the surface. The same display list can be drawn multiple times to different surfaces. More...

IMPELLER_EXPORT bool	ImpellerSurfacePresent (ImpellerSurface IMPELLER_NONNULL surface)
	Present the surface to the underlying window system. More...

IMPELLER_EXPORT void	ImpellerPathRetain (ImpellerPath IMPELLER_NULLABLE path)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerPathRelease (ImpellerPath IMPELLER_NULLABLE path)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerPathGetBounds (ImpellerPath IMPELLER_NONNULL path, ImpellerRect *IMPELLER_NONNULL out_bounds)
	Get the bounds of the path. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerPathBuilder IMPELLER_NULLABLE	ImpellerPathBuilderNew ()
	Create a new path builder. Paths themselves are immutable. A builder builds these immutable paths. More...

IMPELLER_EXPORT void	ImpellerPathBuilderRetain (ImpellerPathBuilder IMPELLER_NULLABLE builder)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerPathBuilderRelease (ImpellerPathBuilder IMPELLER_NULLABLE builder)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerPathBuilderMoveTo (ImpellerPathBuilder IMPELLER_NONNULL builder, const ImpellerPoint *IMPELLER_NONNULL location)
	Move the cursor to the specified location. More...

IMPELLER_EXPORT void	ImpellerPathBuilderLineTo (ImpellerPathBuilder IMPELLER_NONNULL builder, const ImpellerPoint *IMPELLER_NONNULL location)
	Add a line segment from the current cursor location to the given location. The cursor location is updated to be at the endpoint. More...

IMPELLER_EXPORT void	ImpellerPathBuilderQuadraticCurveTo (ImpellerPathBuilder IMPELLER_NONNULL builder, const ImpellerPoint IMPELLER_NONNULL control_point, const ImpellerPoint IMPELLER_NONNULL end_point)
	Add a quadratic curve from whose start point is the cursor to the specified end point using the a single control point. More...

IMPELLER_EXPORT void	ImpellerPathBuilderCubicCurveTo (ImpellerPathBuilder IMPELLER_NONNULL builder, const ImpellerPoint IMPELLER_NONNULL control_point_1, const ImpellerPoint IMPELLER_NONNULL control_point_2, const ImpellerPoint *IMPELLER_NONNULL end_point)
	Add a cubic curve whose start point is current cursor location to the specified end point using the two specified control points. More...

IMPELLER_EXPORT void	ImpellerPathBuilderAddRect (ImpellerPathBuilder IMPELLER_NONNULL builder, const ImpellerRect *IMPELLER_NONNULL rect)
	Adds a rectangle to the path. More...

IMPELLER_EXPORT void	ImpellerPathBuilderAddArc (ImpellerPathBuilder IMPELLER_NONNULL builder, const ImpellerRect *IMPELLER_NONNULL oval_bounds, float start_angle_degrees, float end_angle_degrees)
	Add an arc to the path. More...

IMPELLER_EXPORT void	ImpellerPathBuilderAddOval (ImpellerPathBuilder IMPELLER_NONNULL builder, const ImpellerRect *IMPELLER_NONNULL oval_bounds)
	Add an oval to the path. More...

IMPELLER_EXPORT void	ImpellerPathBuilderAddRoundedRect (ImpellerPathBuilder IMPELLER_NONNULL builder, const ImpellerRect IMPELLER_NONNULL rect, const ImpellerRoundingRadii IMPELLER_NONNULL rounding_radii)
	Add a rounded rect with potentially non-uniform radii to the path. More...

IMPELLER_EXPORT void	ImpellerPathBuilderClose (ImpellerPathBuilder IMPELLER_NONNULL builder)
	Close the path. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerPath IMPELLER_NULLABLE	ImpellerPathBuilderCopyPathNew (ImpellerPathBuilder IMPELLER_NONNULL builder, ImpellerFillType fill)
	Create a new path by copying the existing built-up path. The existing path can continue being added to. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerPath IMPELLER_NULLABLE	ImpellerPathBuilderTakePathNew (ImpellerPathBuilder IMPELLER_NONNULL builder, ImpellerFillType fill)
	Create a new path using the existing built-up path. The existing path builder now contains an empty path. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerPaint IMPELLER_NULLABLE	ImpellerPaintNew ()
	Create a new paint with default values. More...

IMPELLER_EXPORT void	ImpellerPaintRetain (ImpellerPaint IMPELLER_NULLABLE paint)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerPaintRelease (ImpellerPaint IMPELLER_NULLABLE paint)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerPaintSetColor (ImpellerPaint IMPELLER_NONNULL paint, const ImpellerColor *IMPELLER_NONNULL color)
	Set the paint color. More...

IMPELLER_EXPORT void	ImpellerPaintSetBlendMode (ImpellerPaint IMPELLER_NONNULL paint, ImpellerBlendMode mode)
	Set the paint blend mode. The blend mode controls how the new paints contents are mixed with the values already drawn using previous draw calls. More...

IMPELLER_EXPORT void	ImpellerPaintSetDrawStyle (ImpellerPaint IMPELLER_NONNULL paint, ImpellerDrawStyle style)
	Set the paint draw style. The style controls if the closed shapes are filled and/or stroked. More...

IMPELLER_EXPORT void	ImpellerPaintSetStrokeCap (ImpellerPaint IMPELLER_NONNULL paint, ImpellerStrokeCap cap)
	Sets how strokes rendered using this paint are capped. More...

IMPELLER_EXPORT void	ImpellerPaintSetStrokeJoin (ImpellerPaint IMPELLER_NONNULL paint, ImpellerStrokeJoin join)
	Sets how strokes rendered using this paint are joined. More...

IMPELLER_EXPORT void	ImpellerPaintSetStrokeWidth (ImpellerPaint IMPELLER_NONNULL paint, float width)
	Set the width of the strokes rendered using this paint. More...

IMPELLER_EXPORT void	ImpellerPaintSetStrokeMiter (ImpellerPaint IMPELLER_NONNULL paint, float miter)
	Set the miter limit of the strokes rendered using this paint. More...

IMPELLER_EXPORT void	ImpellerPaintSetColorFilter (ImpellerPaint IMPELLER_NONNULL paint, ImpellerColorFilter IMPELLER_NONNULL color_filter)
	Set the color filter of the paint. More...

IMPELLER_EXPORT void	ImpellerPaintSetColorSource (ImpellerPaint IMPELLER_NONNULL paint, ImpellerColorSource IMPELLER_NONNULL color_source)
	Set the color source of the paint. More...

IMPELLER_EXPORT void	ImpellerPaintSetImageFilter (ImpellerPaint IMPELLER_NONNULL paint, ImpellerImageFilter IMPELLER_NONNULL image_filter)
	Set the image filter of a paint. More...

IMPELLER_EXPORT void	ImpellerPaintSetMaskFilter (ImpellerPaint IMPELLER_NONNULL paint, ImpellerMaskFilter IMPELLER_NONNULL mask_filter)
	Set the mask filter of a paint. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerTexture IMPELLER_NULLABLE	ImpellerTextureCreateWithContentsNew (ImpellerContext IMPELLER_NONNULL context, const ImpellerTextureDescriptor IMPELLER_NONNULL descriptor, const ImpellerMapping IMPELLER_NONNULL contents, void *IMPELLER_NULLABLE contents_on_release_user_data)
	Create a texture with decompressed bytes. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerTexture IMPELLER_NULLABLE	ImpellerTextureCreateWithOpenGLTextureHandleNew (ImpellerContext IMPELLER_NONNULL context, const ImpellerTextureDescriptor *IMPELLER_NONNULL descriptor, uint64_t handle)
	Create a texture with an externally created OpenGL texture handle. More...

IMPELLER_EXPORT void	ImpellerTextureRetain (ImpellerTexture IMPELLER_NULLABLE texture)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerTextureRelease (ImpellerTexture IMPELLER_NULLABLE texture)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT uint64_t	ImpellerTextureGetOpenGLHandle (ImpellerTexture IMPELLER_NONNULL texture)
	Get the OpenGL handle associated with this texture. If this is not an OpenGL texture, this method will always return 0. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerFragmentProgram IMPELLER_NULLABLE	ImpellerFragmentProgramNew (const ImpellerMapping IMPELLER_NONNULL data, void IMPELLER_NULLABLE data_release_user_data)
	Create a new fragment program using data obtained by compiling a GLSL shader with `impellerc`. More...

IMPELLER_EXPORT void	ImpellerFragmentProgramRetain (ImpellerFragmentProgram IMPELLER_NULLABLE fragment_program)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerFragmentProgramRelease (ImpellerFragmentProgram IMPELLER_NULLABLE fragment_program)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerColorSourceRetain (ImpellerColorSource IMPELLER_NULLABLE color_source)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerColorSourceRelease (ImpellerColorSource IMPELLER_NULLABLE color_source)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorSource IMPELLER_NULLABLE	ImpellerColorSourceCreateLinearGradientNew (const ImpellerPoint IMPELLER_NONNULL start_point, const ImpellerPoint IMPELLER_NONNULL end_point, uint32_t stop_count, const ImpellerColor IMPELLER_NONNULL colors, const float IMPELLER_NONNULL stops, ImpellerTileMode tile_mode, const ImpellerMatrix *IMPELLER_NULLABLE transformation)
	Create a color source that forms a linear gradient. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorSource IMPELLER_NULLABLE	ImpellerColorSourceCreateRadialGradientNew (const ImpellerPoint IMPELLER_NONNULL center, float radius, uint32_t stop_count, const ImpellerColor IMPELLER_NONNULL colors, const float IMPELLER_NONNULL stops, ImpellerTileMode tile_mode, const ImpellerMatrix IMPELLER_NULLABLE transformation)
	Create a color source that forms a radial gradient. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorSource IMPELLER_NULLABLE	ImpellerColorSourceCreateConicalGradientNew (const ImpellerPoint IMPELLER_NONNULL start_center, float start_radius, const ImpellerPoint IMPELLER_NONNULL end_center, float end_radius, uint32_t stop_count, const ImpellerColor IMPELLER_NONNULL colors, const float IMPELLER_NONNULL stops, ImpellerTileMode tile_mode, const ImpellerMatrix *IMPELLER_NULLABLE transformation)
	Create a color source that forms a conical gradient. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorSource IMPELLER_NULLABLE	ImpellerColorSourceCreateSweepGradientNew (const ImpellerPoint IMPELLER_NONNULL center, float start, float end, uint32_t stop_count, const ImpellerColor IMPELLER_NONNULL colors, const float IMPELLER_NONNULL stops, ImpellerTileMode tile_mode, const ImpellerMatrix IMPELLER_NULLABLE transformation)
	Create a color source that forms a sweep gradient. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorSource IMPELLER_NULLABLE	ImpellerColorSourceCreateImageNew (ImpellerTexture IMPELLER_NONNULL image, ImpellerTileMode horizontal_tile_mode, ImpellerTileMode vertical_tile_mode, ImpellerTextureSampling sampling, const ImpellerMatrix *IMPELLER_NULLABLE transformation)
	Create a color source that samples from an image. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorSource IMPELLER_NULLABLE	ImpellerColorSourceCreateFragmentProgramNew (ImpellerContext IMPELLER_NONNULL context, ImpellerFragmentProgram IMPELLER_NONNULL fragment_program, IMPELLER_NONNULL ImpellerTexture IMPELLER_NULLABLE samplers, size_t samplers_count, const uint8_t IMPELLER_NULLABLE data, size_t data_bytes_length)
	Create a color source whose pixels are shaded by a fragment program. More...

IMPELLER_EXPORT void	ImpellerColorFilterRetain (ImpellerColorFilter IMPELLER_NULLABLE color_filter)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerColorFilterRelease (ImpellerColorFilter IMPELLER_NULLABLE color_filter)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorFilter IMPELLER_NULLABLE	ImpellerColorFilterCreateBlendNew (const ImpellerColor *IMPELLER_NONNULL color, ImpellerBlendMode blend_mode)
	Create a color filter that performs blending of pixel values independently. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorFilter IMPELLER_NULLABLE	ImpellerColorFilterCreateColorMatrixNew (const ImpellerColorMatrix *IMPELLER_NONNULL color_matrix)
	Create a color filter that transforms pixel color values independently. More...

IMPELLER_EXPORT void	ImpellerMaskFilterRetain (ImpellerMaskFilter IMPELLER_NULLABLE mask_filter)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerMaskFilterRelease (ImpellerMaskFilter IMPELLER_NULLABLE mask_filter)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerMaskFilter IMPELLER_NULLABLE	ImpellerMaskFilterCreateBlurNew (ImpellerBlurStyle style, float sigma)
	Create a mask filter that blurs contents in the masked shape. More...

IMPELLER_EXPORT void	ImpellerImageFilterRetain (ImpellerImageFilter IMPELLER_NULLABLE image_filter)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerImageFilterRelease (ImpellerImageFilter IMPELLER_NULLABLE image_filter)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerImageFilter IMPELLER_NULLABLE	ImpellerImageFilterCreateBlurNew (float x_sigma, float y_sigma, ImpellerTileMode tile_mode)
	Creates an image filter that applies a Gaussian blur. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerImageFilter IMPELLER_NULLABLE	ImpellerImageFilterCreateDilateNew (float x_radius, float y_radius)
	Creates an image filter that enhances the per-channel pixel values to the maximum value in a circle around the pixel. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerImageFilter IMPELLER_NULLABLE	ImpellerImageFilterCreateErodeNew (float x_radius, float y_radius)
	Creates an image filter that dampens the per-channel pixel values to the minimum value in a circle around the pixel. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerImageFilter IMPELLER_NULLABLE	ImpellerImageFilterCreateMatrixNew (const ImpellerMatrix *IMPELLER_NONNULL matrix, ImpellerTextureSampling sampling)
	Creates an image filter that applies a transformation matrix to the underlying image. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerImageFilter IMPELLER_NULLABLE	ImpellerImageFilterCreateFragmentProgramNew (ImpellerContext IMPELLER_NONNULL context, ImpellerFragmentProgram IMPELLER_NONNULL fragment_program, IMPELLER_NONNULL ImpellerTexture IMPELLER_NULLABLE samplers, size_t samplers_count, const uint8_t IMPELLER_NULLABLE data, size_t data_bytes_length)
	Create an image filter where each pixel is shaded by a fragment program. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerImageFilter IMPELLER_NULLABLE	ImpellerImageFilterCreateComposeNew (ImpellerImageFilter IMPELLER_NONNULL outer, ImpellerImageFilter IMPELLER_NONNULL inner)
	Creates a composed filter that when applied is identical to subsequently applying the inner and then the outer filters. More...

IMPELLER_EXPORT void	ImpellerDisplayListRetain (ImpellerDisplayList IMPELLER_NULLABLE display_list)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerDisplayListRelease (ImpellerDisplayList IMPELLER_NULLABLE display_list)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerDisplayListBuilder IMPELLER_NULLABLE	ImpellerDisplayListBuilderNew (const ImpellerRect *IMPELLER_NULLABLE cull_rect)
	Create a new display list builder. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderRetain (ImpellerDisplayListBuilder IMPELLER_NULLABLE builder)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderRelease (ImpellerDisplayListBuilder IMPELLER_NULLABLE builder)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerDisplayList IMPELLER_NULLABLE	ImpellerDisplayListBuilderCreateDisplayListNew (ImpellerDisplayListBuilder IMPELLER_NONNULL builder)
	Create a new display list using the rendering intent already encoded in the builder. The builder is reset after this call. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderSave (ImpellerDisplayListBuilder IMPELLER_NONNULL builder)
	Stashes the current transformation and clip state onto a save stack. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderSaveLayer (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, const ImpellerRect *IMPELLER_NONNULL bounds, ImpellerPaint IMPELLER_NULLABLE paint, ImpellerImageFilter IMPELLER_NULLABLE backdrop)
	Stashes the current transformation and clip state onto a save stack and creates and creates an offscreen layer onto which subsequent rendering intent will be directed to. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderRestore (ImpellerDisplayListBuilder IMPELLER_NONNULL builder)
	Pops the last entry pushed onto the save stack using a call to `ImpellerDisplayListBuilderSave` or `ImpellerDisplayListBuilderSaveLayer`. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderScale (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, float x_scale, float y_scale)
	Apply a scale to the transformation matrix currently on top of the save stack. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderRotate (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, float angle_degrees)
	Apply a clockwise rotation to the transformation matrix currently on top of the save stack. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderTranslate (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, float x_translation, float y_translation)
	Apply a translation to the transformation matrix currently on top of the save stack. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderTransform (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, const ImpellerMatrix *IMPELLER_NONNULL transform)
	Appends the the provided transformation to the transformation already on the save stack. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderSetTransform (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, const ImpellerMatrix *IMPELLER_NONNULL transform)
	Clear the transformation on top of the save stack and replace it with a new value. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderGetTransform (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, ImpellerMatrix *IMPELLER_NONNULL out_transform)
	Get the transformation currently built up on the top of the transformation stack. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderResetTransform (ImpellerDisplayListBuilder IMPELLER_NONNULL builder)
	Reset the transformation on top of the transformation stack to identity. More...

IMPELLER_EXPORT uint32_t	ImpellerDisplayListBuilderGetSaveCount (ImpellerDisplayListBuilder IMPELLER_NONNULL builder)
	Get the current size of the save stack. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderRestoreToCount (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, uint32_t count)
	Effectively calls ImpellerDisplayListBuilderRestore till the size of the save stack becomes a specified count. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderClipRect (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, const ImpellerRect *IMPELLER_NONNULL rect, ImpellerClipOperation op)
	Reduces the clip region to the intersection of the current clip and the given rectangle taking into account the clip operation. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderClipOval (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, const ImpellerRect *IMPELLER_NONNULL oval_bounds, ImpellerClipOperation op)
	Reduces the clip region to the intersection of the current clip and the given oval taking into account the clip operation. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderClipRoundedRect (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, const ImpellerRect IMPELLER_NONNULL rect, const ImpellerRoundingRadii IMPELLER_NONNULL radii, ImpellerClipOperation op)
	Reduces the clip region to the intersection of the current clip and the given rounded rectangle taking into account the clip operation. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderClipPath (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, ImpellerPath IMPELLER_NONNULL path, ImpellerClipOperation op)
	Reduces the clip region to the intersection of the current clip and the given path taking into account the clip operation. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderDrawPaint (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, ImpellerPaint IMPELLER_NONNULL paint)
	Fills the current clip with the specified paint. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderDrawLine (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, const ImpellerPoint IMPELLER_NONNULL from, const ImpellerPoint IMPELLER_NONNULL to, ImpellerPaint IMPELLER_NONNULL paint)
	Draws a line segment. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderDrawDashedLine (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, const ImpellerPoint IMPELLER_NONNULL from, const ImpellerPoint IMPELLER_NONNULL to, float on_length, float off_length, ImpellerPaint IMPELLER_NONNULL paint)
	Draws a dash line segment. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderDrawRect (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, const ImpellerRect *IMPELLER_NONNULL rect, ImpellerPaint IMPELLER_NONNULL paint)
	Draws a rectangle. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderDrawOval (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, const ImpellerRect *IMPELLER_NONNULL oval_bounds, ImpellerPaint IMPELLER_NONNULL paint)
	Draws an oval. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderDrawRoundedRect (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, const ImpellerRect IMPELLER_NONNULL rect, const ImpellerRoundingRadii IMPELLER_NONNULL radii, ImpellerPaint IMPELLER_NONNULL paint)
	Draws a rounded rect. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderDrawRoundedRectDifference (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, const ImpellerRect IMPELLER_NONNULL outer_rect, const ImpellerRoundingRadii IMPELLER_NONNULL outer_radii, const ImpellerRect IMPELLER_NONNULL inner_rect, const ImpellerRoundingRadii IMPELLER_NONNULL inner_radii, ImpellerPaint IMPELLER_NONNULL paint)
	Draws a shape that is the different between the specified rectangles (each with configurable corner radii). More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderDrawPath (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, ImpellerPath IMPELLER_NONNULL path, ImpellerPaint IMPELLER_NONNULL paint)
	Draws the specified shape. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderDrawDisplayList (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, ImpellerDisplayList IMPELLER_NONNULL display_list, float opacity)
	Flattens the contents of another display list into the one currently being built. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderDrawParagraph (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, ImpellerParagraph IMPELLER_NONNULL paragraph, const ImpellerPoint *IMPELLER_NONNULL point)
	Draw a paragraph at the specified point. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderDrawShadow (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, ImpellerPath IMPELLER_NONNULL path, const ImpellerColor *IMPELLER_NONNULL color, float elevation, bool occluder_is_transparent, float device_pixel_ratio)
	Draw a shadow for a Path given a material elevation. If the occluding object is not opaque, additional hints (via the `occluder_is_transparent` argument) must be provided to render the shadow correctly. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderDrawTexture (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, ImpellerTexture IMPELLER_NONNULL texture, const ImpellerPoint *IMPELLER_NONNULL point, ImpellerTextureSampling sampling, ImpellerPaint IMPELLER_NULLABLE paint)
	Draw a texture at the specified point. More...

IMPELLER_EXPORT void	ImpellerDisplayListBuilderDrawTextureRect (ImpellerDisplayListBuilder IMPELLER_NONNULL builder, ImpellerTexture IMPELLER_NONNULL texture, const ImpellerRect IMPELLER_NONNULL src_rect, const ImpellerRect IMPELLER_NONNULL dst_rect, ImpellerTextureSampling sampling, ImpellerPaint IMPELLER_NULLABLE paint)
	Draw a portion of texture at the specified location. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerTypographyContext IMPELLER_NULLABLE	ImpellerTypographyContextNew ()
	Create a new typography contents. More...

IMPELLER_EXPORT void	ImpellerTypographyContextRetain (ImpellerTypographyContext IMPELLER_NULLABLE context)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerTypographyContextRelease (ImpellerTypographyContext IMPELLER_NULLABLE context)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT bool	ImpellerTypographyContextRegisterFont (ImpellerTypographyContext IMPELLER_NONNULL context, const ImpellerMapping IMPELLER_NONNULL contents, void IMPELLER_NULLABLE contents_on_release_user_data, const char *IMPELLER_NULLABLE family_name_alias)
	Register a custom font. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerParagraphStyle IMPELLER_NULLABLE	ImpellerParagraphStyleNew ()
	Create a new paragraph style. More...

IMPELLER_EXPORT void	ImpellerParagraphStyleRetain (ImpellerParagraphStyle IMPELLER_NULLABLE paragraph_style)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerParagraphStyleRelease (ImpellerParagraphStyle IMPELLER_NULLABLE paragraph_style)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerParagraphStyleSetForeground (ImpellerParagraphStyle IMPELLER_NONNULL paragraph_style, ImpellerPaint IMPELLER_NONNULL paint)
	Set the paint used to render the text glyph contents. More...

IMPELLER_EXPORT void	ImpellerParagraphStyleSetBackground (ImpellerParagraphStyle IMPELLER_NONNULL paragraph_style, ImpellerPaint IMPELLER_NONNULL paint)
	Set the paint used to render the background of the text glyphs. More...

IMPELLER_EXPORT void	ImpellerParagraphStyleSetFontWeight (ImpellerParagraphStyle IMPELLER_NONNULL paragraph_style, ImpellerFontWeight weight)
	Set the weight of the font to select when rendering glyphs. More...

IMPELLER_EXPORT void	ImpellerParagraphStyleSetFontStyle (ImpellerParagraphStyle IMPELLER_NONNULL paragraph_style, ImpellerFontStyle style)
	Set whether the glyphs should be bolded or italicized. More...

IMPELLER_EXPORT void	ImpellerParagraphStyleSetFontFamily (ImpellerParagraphStyle IMPELLER_NONNULL paragraph_style, const char *IMPELLER_NONNULL family_name)
	Set the font family. More...

IMPELLER_EXPORT void	ImpellerParagraphStyleSetFontSize (ImpellerParagraphStyle IMPELLER_NONNULL paragraph_style, float size)
	Set the font size. More...

IMPELLER_EXPORT void	ImpellerParagraphStyleSetHeight (ImpellerParagraphStyle IMPELLER_NONNULL paragraph_style, float height)
	The height of the text as a multiple of text size. More...

IMPELLER_EXPORT void	ImpellerParagraphStyleSetTextAlignment (ImpellerParagraphStyle IMPELLER_NONNULL paragraph_style, ImpellerTextAlignment align)
	Set the alignment of text within the paragraph. More...

IMPELLER_EXPORT void	ImpellerParagraphStyleSetTextDirection (ImpellerParagraphStyle IMPELLER_NONNULL paragraph_style, ImpellerTextDirection direction)
	Set the directionality of the text within the paragraph. More...

IMPELLER_EXPORT void	ImpellerParagraphStyleSetTextDecoration (ImpellerParagraphStyle IMPELLER_NONNULL paragraph_style, const ImpellerTextDecoration *IMPELLER_NONNULL decoration)
	Set one of more text decorations on the paragraph. Decorations can be underlines, overlines, strikethroughs, etc.. The style of decorations can be set as well (dashed, dotted, wavy, etc..) More...

IMPELLER_EXPORT void	ImpellerParagraphStyleSetMaxLines (ImpellerParagraphStyle IMPELLER_NONNULL paragraph_style, uint32_t max_lines)
	Set the maximum line count within the paragraph. More...

IMPELLER_EXPORT void	ImpellerParagraphStyleSetLocale (ImpellerParagraphStyle IMPELLER_NONNULL paragraph_style, const char *IMPELLER_NONNULL locale)
	Set the paragraph locale. More...

IMPELLER_EXPORT void	ImpellerParagraphStyleSetEllipsis (ImpellerParagraphStyle IMPELLER_NONNULL paragraph_style, const char *IMPELLER_NULLABLE ellipsis)
	Set the UTF-8 string to use as the ellipsis. Pass `nullptr` to clear the setting to default. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerParagraphBuilder IMPELLER_NULLABLE	ImpellerParagraphBuilderNew (ImpellerTypographyContext IMPELLER_NONNULL context)
	Create a new paragraph builder. More...

IMPELLER_EXPORT void	ImpellerParagraphBuilderRetain (ImpellerParagraphBuilder IMPELLER_NULLABLE paragraph_builder)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerParagraphBuilderRelease (ImpellerParagraphBuilder IMPELLER_NULLABLE paragraph_builder)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerParagraphBuilderPushStyle (ImpellerParagraphBuilder IMPELLER_NONNULL paragraph_builder, ImpellerParagraphStyle IMPELLER_NONNULL style)
	Push a new paragraph style onto the paragraph style stack managed by the paragraph builder. More...

IMPELLER_EXPORT void	ImpellerParagraphBuilderPopStyle (ImpellerParagraphBuilder IMPELLER_NONNULL paragraph_builder)
	Pop a previously pushed paragraph style from the paragraph style stack. More...

IMPELLER_EXPORT void	ImpellerParagraphBuilderAddText (ImpellerParagraphBuilder IMPELLER_NONNULL paragraph_builder, const uint8_t *IMPELLER_NULLABLE data, uint32_t length)
	Add UTF-8 encoded text to the paragraph. The text will be styled according to the paragraph style already on top of the paragraph style stack. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerParagraph IMPELLER_NULLABLE	ImpellerParagraphBuilderBuildParagraphNew (ImpellerParagraphBuilder IMPELLER_NONNULL paragraph_builder, float width)
	Layout and build a new paragraph using the specified width. The resulting paragraph is immutable. The paragraph builder must be discarded and a new one created to build more paragraphs. More...

IMPELLER_EXPORT void	ImpellerParagraphRetain (ImpellerParagraph IMPELLER_NULLABLE paragraph)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerParagraphRelease (ImpellerParagraph IMPELLER_NULLABLE paragraph)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT float	ImpellerParagraphGetMaxWidth (ImpellerParagraph IMPELLER_NONNULL paragraph)

IMPELLER_EXPORT float	ImpellerParagraphGetHeight (ImpellerParagraph IMPELLER_NONNULL paragraph)

IMPELLER_EXPORT float	ImpellerParagraphGetLongestLineWidth (ImpellerParagraph IMPELLER_NONNULL paragraph)

IMPELLER_EXPORT float	ImpellerParagraphGetMinIntrinsicWidth (ImpellerParagraph IMPELLER_NONNULL paragraph)

IMPELLER_EXPORT float	ImpellerParagraphGetMaxIntrinsicWidth (ImpellerParagraph IMPELLER_NONNULL paragraph)

IMPELLER_EXPORT float	ImpellerParagraphGetIdeographicBaseline (ImpellerParagraph IMPELLER_NONNULL paragraph)

IMPELLER_EXPORT float	ImpellerParagraphGetAlphabeticBaseline (ImpellerParagraph IMPELLER_NONNULL paragraph)

IMPELLER_EXPORT uint32_t	ImpellerParagraphGetLineCount (ImpellerParagraph IMPELLER_NONNULL paragraph)

IMPELLER_EXPORT void	ImpellerParagraphGetWordBoundary (ImpellerParagraph IMPELLER_NONNULL paragraph, size_t code_unit_index, ImpellerRange *IMPELLER_NONNULL out_range)
	Get the range into the UTF-16 code unit buffer that represents the word at the specified caret location in the same buffer. More...

IMPELLER_EXPORT ImpellerLineMetrics IMPELLER_NULLABLE	ImpellerParagraphGetLineMetrics (ImpellerParagraph IMPELLER_NONNULL paragraph)
	Get the line metrics of this laid out paragraph. Calculating the line metrics is expensive. The first time line metrics are requested, they will be cached along with the paragraph (which is immutable). More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerGlyphInfo IMPELLER_NULLABLE	ImpellerParagraphCreateGlyphInfoAtCodeUnitIndexNew (ImpellerParagraph IMPELLER_NONNULL paragraph, size_t code_unit_index)
	Create a new instance of glyph info that can be queried for information about the glyph at the given UTF-16 code unit index. The instance must be freed using `ImpellerGlyphInfoRelease`. More...

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerGlyphInfo IMPELLER_NULLABLE	ImpellerParagraphCreateGlyphInfoAtParagraphCoordinatesNew (ImpellerParagraph IMPELLER_NONNULL paragraph, double x, double y)
	Create a new instance of glyph info that can be queried for information about the glyph closest to the specified coordinates relative to the origin of the paragraph. The instance must be freed using `ImpellerGlyphInfoRelease`. More...

IMPELLER_EXPORT void	ImpellerLineMetricsRetain (ImpellerLineMetrics IMPELLER_NULLABLE line_metrics)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerLineMetricsRelease (ImpellerLineMetrics IMPELLER_NULLABLE line_metrics)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT double	ImpellerLineMetricsGetUnscaledAscent (ImpellerLineMetrics IMPELLER_NONNULL metrics, size_t line)
	The rise from the baseline as calculated from the font and style for this line ignoring the height from the text style. More...

IMPELLER_EXPORT double	ImpellerLineMetricsGetAscent (ImpellerLineMetrics IMPELLER_NONNULL metrics, size_t line)
	The rise from the baseline as calculated from the font and style for this line. More...

IMPELLER_EXPORT double	ImpellerLineMetricsGetDescent (ImpellerLineMetrics IMPELLER_NONNULL metrics, size_t line)
	The drop from the baseline as calculated from the font and style for this line. More...

IMPELLER_EXPORT double	ImpellerLineMetricsGetBaseline (ImpellerLineMetrics IMPELLER_NONNULL metrics, size_t line)
	The y coordinate of the baseline for this line from the top of the paragraph. More...

IMPELLER_EXPORT bool	ImpellerLineMetricsIsHardbreak (ImpellerLineMetrics IMPELLER_NONNULL metrics, size_t line)
	Used to determine if this line ends with an explicit line break (e.g. ' ') or is the end of the paragraph. More...

IMPELLER_EXPORT double	ImpellerLineMetricsGetWidth (ImpellerLineMetrics IMPELLER_NONNULL metrics, size_t line)
	Width of the line from the left edge of the leftmost glyph to the right edge of the rightmost glyph. More...

IMPELLER_EXPORT double	ImpellerLineMetricsGetHeight (ImpellerLineMetrics IMPELLER_NONNULL metrics, size_t line)
	Total height of the line from the top edge to the bottom edge. More...

IMPELLER_EXPORT double	ImpellerLineMetricsGetLeft (ImpellerLineMetrics IMPELLER_NONNULL metrics, size_t line)
	The x coordinate of left edge of the line. More...

IMPELLER_EXPORT size_t	ImpellerLineMetricsGetCodeUnitStartIndex (ImpellerLineMetrics IMPELLER_NONNULL metrics, size_t line)
	Fetch the start index in the buffer of UTF-16 code units used to represent the paragraph line. More...

IMPELLER_EXPORT size_t	ImpellerLineMetricsGetCodeUnitEndIndex (ImpellerLineMetrics IMPELLER_NONNULL metrics, size_t line)
	Fetch the end index in the buffer of UTF-16 code units used to represent the paragraph line. More...

IMPELLER_EXPORT size_t	ImpellerLineMetricsGetCodeUnitEndIndexExcludingWhitespace (ImpellerLineMetrics IMPELLER_NONNULL metrics, size_t line)
	Fetch the end index (excluding whitespace) in the buffer of UTF-16 code units used to represent the paragraph line. More...

IMPELLER_EXPORT size_t	ImpellerLineMetricsGetCodeUnitEndIndexIncludingNewline (ImpellerLineMetrics IMPELLER_NONNULL metrics, size_t line)
	Fetch the end index (including newlines) in the buffer of UTF-16 code units used to represent the paragraph line. More...

IMPELLER_EXPORT void	ImpellerGlyphInfoRetain (ImpellerGlyphInfo IMPELLER_NULLABLE glyph_info)
	Retain a strong reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT void	ImpellerGlyphInfoRelease (ImpellerGlyphInfo IMPELLER_NULLABLE glyph_info)
	Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op. More...

IMPELLER_EXPORT size_t	ImpellerGlyphInfoGetGraphemeClusterCodeUnitRangeBegin (ImpellerGlyphInfo IMPELLER_NONNULL glyph_info)
	Fetch the start index in the buffer of UTF-16 code units used to represent the grapheme cluster for a glyph. More...

IMPELLER_EXPORT size_t	ImpellerGlyphInfoGetGraphemeClusterCodeUnitRangeEnd (ImpellerGlyphInfo IMPELLER_NONNULL glyph_info)
	Fetch the end index in the buffer of UTF-16 code units used to represent the grapheme cluster for a glyph. More...

IMPELLER_EXPORT void	ImpellerGlyphInfoGetGraphemeClusterBounds (ImpellerGlyphInfo IMPELLER_NONNULL glyph_info, ImpellerRect *IMPELLER_NONNULL out_bounds)
	Fetch the bounds of the grapheme cluster for the glyph in the coordinate space of the paragraph. More...

IMPELLER_EXPORT bool	ImpellerGlyphInfoIsEllipsis (ImpellerGlyphInfo IMPELLER_NONNULL glyph_info)

IMPELLER_EXPORT ImpellerTextDirection	ImpellerGlyphInfoGetTextDirection (ImpellerGlyphInfo IMPELLER_NONNULL glyph_info)

Macro Definition Documentation

◆ IMPELLER_DEFINE_HANDLE

#define IMPELLER_DEFINE_HANDLE ( handle ) typedef struct IMPELLER_INTERNAL_HANDLE_NAME(handle) * handle;

Definition at line 142 of file impeller.h.

◆ IMPELLER_EXPORT

#define IMPELLER_EXPORT IMPELLER_EXPORT_DECORATION

Definition at line 48 of file impeller.h.

◆ IMPELLER_EXPORT_DECORATION

#define IMPELLER_EXPORT_DECORATION __attribute__((visibility("default")))

Definition at line 44 of file impeller.h.

◆ IMPELLER_EXTERN_C

#define IMPELLER_EXTERN_C

--------------------------------------------------------------------------—

----— ___ _ _ _ ____ ___ -----— ----— |_ _|_ __ ___ _ __ ___| | | ___ _ __ / \ | _ _ _| -----— ----— | || '_ ‘ _ | ’_ \ / _ \ | |/ _ \ '__| / _ \ | |_) | | -----— ----— | || | | | | | |_) | __/ | | __/ | / ___ | __/| | -----— ----— |___|_| |_| |_| .__/ ___|_|_|___|_| /_/ __| |___| -----—

----— |_| -----—

This file describes a high-level, single-header, dependency-free, 2D graphics API.

The API fundamentals that include details about the object model, reference counting, and null-safety are described in the README.

Definition at line 36 of file impeller.h.

◆ IMPELLER_EXTERN_C_BEGIN

#define IMPELLER_EXTERN_C_BEGIN

Definition at line 37 of file impeller.h.

◆ IMPELLER_EXTERN_C_END

#define IMPELLER_EXTERN_C_END

Definition at line 38 of file impeller.h.

◆ IMPELLER_INTERNAL_HANDLE_NAME

#define IMPELLER_INTERNAL_HANDLE_NAME ( handle ) handle##_

Definition at line 141 of file impeller.h.

◆ IMPELLER_MAKE_VERSION

#define IMPELLER_MAKE_VERSION	(	variant,
		major,
		minor,
		patch
	)

Value:

((((uint32_t)(variant)) << 29U) | (((uint32_t)(major)) << 22U) | \

(((uint32_t)(minor)) << 12U) | ((uint32_t)(patch)))

Pack a version in a uint32_t.

Parameters

[in]	variant	The version variant.
[in]	major	The major version.
[in]	minor	The minor version.
[in]	patch	The patch version.

Returns: The packed version number.

Definition at line 79 of file impeller.h.

◆ IMPELLER_NODISCARD

#define IMPELLER_NODISCARD

Definition at line 64 of file impeller.h.

◆ IMPELLER_NONNULL

#define IMPELLER_NONNULL

Definition at line 58 of file impeller.h.

◆ IMPELLER_NULLABLE

#define IMPELLER_NULLABLE

Definition at line 57 of file impeller.h.

◆ IMPELLER_VERSION

#define IMPELLER_VERSION

Value:

IMPELLER_MAKE_VERSION(IMPELLER_VERSION_VARIANT, IMPELLER_VERSION_MAJOR, \

IMPELLER_VERSION_MINOR, IMPELLER_VERSION_PATCH)

IMPELLER_VERSION_VARIANT

#define IMPELLER_VERSION_VARIANT

Definition: impeller.h:83

IMPELLER_MAKE_VERSION

#define IMPELLER_MAKE_VERSION(variant, major, minor, patch)

Pack a version in a uint32_t.

Definition: impeller.h:79

IMPELLER_VERSION_PATCH

#define IMPELLER_VERSION_PATCH

Definition: impeller.h:86

IMPELLER_VERSION_MINOR

#define IMPELLER_VERSION_MINOR

Definition: impeller.h:85

IMPELLER_VERSION_MAJOR

#define IMPELLER_VERSION_MAJOR

Definition: impeller.h:84

The current Impeller API version.

This version must be passed to APIs that create top-level objects like graphics contexts. Construction of the context may fail if the API version expected by the caller is not supported by the library.

The version currently supported by the library is returned by a call to ImpellerGetVersion

Since there are no API stability guarantees today, passing a version that is different to the one returned by ImpellerGetVersion will always fail.

See also: ImpellerGetVersion

Definition at line 103 of file impeller.h.

◆ IMPELLER_VERSION_GET_MAJOR

#define IMPELLER_VERSION_GET_MAJOR ( version ) (((uint32_t)(version) >> 22U) & 0x7FU)

Parameters

[in] version The packed version.

Returns: The major version.

Definition at line 119 of file impeller.h.

◆ IMPELLER_VERSION_GET_MINOR

#define IMPELLER_VERSION_GET_MINOR ( version ) (((uint32_t)(version) >> 12U) & 0x3FFU)

Parameters

[in] version The packed version.

Returns: The minor version.

Definition at line 127 of file impeller.h.

◆ IMPELLER_VERSION_GET_PATCH

#define IMPELLER_VERSION_GET_PATCH ( version ) ((uint32_t)(version) & 0xFFFU)

Parameters

[in] version The packed version.

Returns: The patch version.

Definition at line 135 of file impeller.h.

◆ IMPELLER_VERSION_GET_VARIANT

#define IMPELLER_VERSION_GET_VARIANT ( version ) ((uint32_t)(version) >> 29U)

Parameters

[in] version The packed version.

Returns: The version variant.

Definition at line 112 of file impeller.h.

◆ IMPELLER_VERSION_MAJOR

#define IMPELLER_VERSION_MAJOR 1

Definition at line 84 of file impeller.h.

◆ IMPELLER_VERSION_MINOR

#define IMPELLER_VERSION_MINOR 4

Definition at line 85 of file impeller.h.

◆ IMPELLER_VERSION_PATCH

#define IMPELLER_VERSION_PATCH 0

Definition at line 86 of file impeller.h.

◆ IMPELLER_VERSION_VARIANT

#define IMPELLER_VERSION_VARIANT 1

Definition at line 83 of file impeller.h.

Typedef Documentation

◆ ImpellerBlendMode

typedef enum ImpellerBlendMode ImpellerBlendMode

◆ ImpellerBlurStyle

typedef enum ImpellerBlurStyle ImpellerBlurStyle

◆ ImpellerCallback

typedef void(* ImpellerCallback) (void *IMPELLER_NULLABLE user_data)

A callback invoked by Impeller that passes a user supplied baton back to the user. Impeller does not interpret the baton in any way. The way the baton is specified and the thread on which the callback is invoked depends on how the user supplies the callback to Impeller.

Definition at line 338 of file impeller.h.

◆ ImpellerClipOperation

typedef enum ImpellerClipOperation ImpellerClipOperation

◆ ImpellerColor

typedef struct ImpellerColor ImpellerColor

◆ ImpellerColorMatrix

typedef struct ImpellerColorMatrix ImpellerColorMatrix

A 4x5 matrix using row-major storage used for transforming color values.

To transform color values, a 5x5 matrix is constructed with the 5th row being identity. Then the following transformation is performed:

| R' |   | m[0]  m[1]  m[2]  m[3]  m[4]  |   | R |
| G' |   | m[5]  m[6]  m[7]  m[8]  m[9]  |   | G |
| B' | = | m[10] m[11] m[12] m[13] m[14] | * | B |
| A' |   | m[15] m[16] m[17] m[18] m[19] |   | A |
| 1  |   | 0     0     0     0     1     |   | 1 |

The translation column (m[4], m[9], m[14], m[19]) must be specified in non-normalized 8-bit unsigned integer space (0 to 255). Values outside this range will produce undefined results.

The identity transformation is thus:

1, 0, 0, 0, 0,
0, 1, 0, 0, 0,
0, 0, 1, 0, 0,
0, 0, 0, 1, 0,

Some examples:

To invert all colors:

-1,  0,  0, 0, 255,
 0, -1,  0, 0, 255,
 0,  0, -1, 0, 255,
 0,  0,  0, 1,   0,

To apply a sepia filter:

393, 0.769, 0.189, 0, 0,
349, 0.686, 0.168, 0, 0,
272, 0.534, 0.131, 0, 0,
0,     0,     0,     1, 0,

To apply a grayscale conversion filter:

2126, 0.7152, 0.0722, 0, 0,
2126, 0.7152, 0.0722, 0, 0,
2126, 0.7152, 0.0722, 0, 0,
0,      0,      0,      1, 0,

See also: ImpellerColorFilter

◆ ImpellerColorSpace

typedef enum ImpellerColorSpace ImpellerColorSpace

◆ ImpellerContextVulkanInfo

typedef struct ImpellerContextVulkanInfo ImpellerContextVulkanInfo

◆ ImpellerContextVulkanSettings

typedef struct ImpellerContextVulkanSettings ImpellerContextVulkanSettings

◆ ImpellerDrawStyle

typedef enum ImpellerDrawStyle ImpellerDrawStyle

◆ ImpellerFillType

typedef enum ImpellerFillType ImpellerFillType

◆ ImpellerFontStyle

typedef enum ImpellerFontStyle ImpellerFontStyle

◆ ImpellerFontWeight

typedef enum ImpellerFontWeight ImpellerFontWeight

◆ ImpellerISize

typedef struct ImpellerISize ImpellerISize

◆ ImpellerMapping

typedef struct ImpellerMapping ImpellerMapping

◆ ImpellerMatrix

typedef struct ImpellerMatrix ImpellerMatrix

A 4x4 transformation matrix using column-major storage.

| m[0] m[4] m[8]  m[12] |
| m[1] m[5] m[9]  m[13] |
| m[2] m[6] m[10] m[14] |
| m[3] m[7] m[11] m[15] |

◆ ImpellerPixelFormat

typedef enum ImpellerPixelFormat ImpellerPixelFormat

◆ ImpellerPoint

typedef struct ImpellerPoint ImpellerPoint

◆ ImpellerProcAddressCallback

typedef void* IMPELLER_NULLABLE(* ImpellerProcAddressCallback) (const char *IMPELLER_NONNULL proc_name, void *IMPELLER_NULLABLE user_data)

A callback used by Impeller to allow the user to resolve function pointers. A user supplied baton that is uninterpreted by Impeller is passed back to the user in the callback. How the baton is specified to Impeller and the thread on which the callback is invoked depends on how the callback is specified to Impeller.

Definition at line 347 of file impeller.h.

◆ ImpellerRange

typedef struct ImpellerRange ImpellerRange

◆ ImpellerRect

typedef struct ImpellerRect ImpellerRect

◆ ImpellerRoundingRadii

typedef struct ImpellerRoundingRadii ImpellerRoundingRadii

◆ ImpellerSize

typedef struct ImpellerSize ImpellerSize

◆ ImpellerStrokeCap

typedef enum ImpellerStrokeCap ImpellerStrokeCap

◆ ImpellerStrokeJoin

typedef enum ImpellerStrokeJoin ImpellerStrokeJoin

◆ ImpellerTextAlignment

typedef enum ImpellerTextAlignment ImpellerTextAlignment

◆ ImpellerTextDecoration

typedef struct ImpellerTextDecoration ImpellerTextDecoration

◆ ImpellerTextDecorationStyle

typedef enum ImpellerTextDecorationStyle ImpellerTextDecorationStyle

◆ ImpellerTextDecorationType

typedef enum ImpellerTextDecorationType ImpellerTextDecorationType

◆ ImpellerTextDirection

typedef enum ImpellerTextDirection ImpellerTextDirection

◆ ImpellerTextureDescriptor

typedef struct ImpellerTextureDescriptor ImpellerTextureDescriptor

◆ ImpellerTextureSampling

typedef enum ImpellerTextureSampling ImpellerTextureSampling

◆ ImpellerTileMode

typedef enum ImpellerTileMode ImpellerTileMode

◆ ImpellerVulkanProcAddressCallback

typedef void* IMPELLER_NULLABLE(* ImpellerVulkanProcAddressCallback) (void *IMPELLER_NULLABLE vulkan_instance, const char *IMPELLER_NONNULL vulkan_proc_name, void *IMPELLER_NULLABLE user_data)

A callback used by Impeller to allow the user to resolve Vulkan function pointers. A user supplied baton that is uninterpreted by Impeller is passed back to the user in the callback.

Definition at line 356 of file impeller.h.

Enumeration Type Documentation

◆ ImpellerBlendMode

enum ImpellerBlendMode

Enumerator
kImpellerBlendModeClear
kImpellerBlendModeSource
kImpellerBlendModeDestination
kImpellerBlendModeSourceOver
kImpellerBlendModeDestinationOver
kImpellerBlendModeSourceIn
kImpellerBlendModeDestinationIn
kImpellerBlendModeSourceOut
kImpellerBlendModeDestinationOut
kImpellerBlendModeSourceATop
kImpellerBlendModeDestinationATop
kImpellerBlendModeXor
kImpellerBlendModePlus
kImpellerBlendModeModulate
kImpellerBlendModeScreen
kImpellerBlendModeOverlay
kImpellerBlendModeDarken
kImpellerBlendModeLighten
kImpellerBlendModeColorDodge
kImpellerBlendModeColorBurn
kImpellerBlendModeHardLight
kImpellerBlendModeSoftLight
kImpellerBlendModeDifference
kImpellerBlendModeExclusion
kImpellerBlendModeMultiply
kImpellerBlendModeHue
kImpellerBlendModeSaturation
kImpellerBlendModeColor
kImpellerBlendModeLuminosity

Definition at line 374 of file impeller.h.

                                {
   kImpellerBlendModeClear,
   kImpellerBlendModeSource,
   kImpellerBlendModeDestination,
   kImpellerBlendModeSourceOver,
   kImpellerBlendModeDestinationOver,
   kImpellerBlendModeSourceIn,
   kImpellerBlendModeDestinationIn,
   kImpellerBlendModeSourceOut,
   kImpellerBlendModeDestinationOut,
   kImpellerBlendModeSourceATop,
   kImpellerBlendModeDestinationATop,
   kImpellerBlendModeXor,
   kImpellerBlendModePlus,
   kImpellerBlendModeModulate,
   kImpellerBlendModeScreen,
   kImpellerBlendModeOverlay,
   kImpellerBlendModeDarken,
   kImpellerBlendModeLighten,
   kImpellerBlendModeColorDodge,
   kImpellerBlendModeColorBurn,
   kImpellerBlendModeHardLight,
   kImpellerBlendModeSoftLight,
   kImpellerBlendModeDifference,
   kImpellerBlendModeExclusion,
   kImpellerBlendModeMultiply,
   kImpellerBlendModeHue,
   kImpellerBlendModeSaturation,
   kImpellerBlendModeColor,
   kImpellerBlendModeLuminosity,
 } ImpellerBlendMode;

◆ ImpellerBlurStyle

enum ImpellerBlurStyle

Enumerator
kImpellerBlurStyleNormal
kImpellerBlurStyleSolid
kImpellerBlurStyleOuter
kImpellerBlurStyleInner

Definition at line 440 of file impeller.h.

                                {
   kImpellerBlurStyleNormal,
   kImpellerBlurStyleSolid,
   kImpellerBlurStyleOuter,
   kImpellerBlurStyleInner,
 } ImpellerBlurStyle;

◆ ImpellerClipOperation

enum ImpellerClipOperation

Enumerator
kImpellerClipOperationDifference
kImpellerClipOperationIntersect

Definition at line 369 of file impeller.h.

                                    {
   kImpellerClipOperationDifference,
   kImpellerClipOperationIntersect,
 } ImpellerClipOperation;

◆ ImpellerColorSpace

enum ImpellerColorSpace

Enumerator
kImpellerColorSpaceSRGB
kImpellerColorSpaceExtendedSRGB
kImpellerColorSpaceDisplayP3

Definition at line 447 of file impeller.h.

                                 {
   kImpellerColorSpaceSRGB,
   kImpellerColorSpaceExtendedSRGB,
   kImpellerColorSpaceDisplayP3,
 } ImpellerColorSpace;

◆ ImpellerDrawStyle

enum ImpellerDrawStyle

Enumerator
kImpellerDrawStyleFill
kImpellerDrawStyleStroke
kImpellerDrawStyleStrokeAndFill

Definition at line 406 of file impeller.h.

                                {
   kImpellerDrawStyleFill,
   kImpellerDrawStyleStroke,
   kImpellerDrawStyleStrokeAndFill,
 } ImpellerDrawStyle;

◆ ImpellerFillType

enum ImpellerFillType

Enumerator
kImpellerFillTypeNonZero
kImpellerFillTypeOdd

Definition at line 364 of file impeller.h.

                               {
   kImpellerFillTypeNonZero,
   kImpellerFillTypeOdd,
 } ImpellerFillType;

◆ ImpellerFontStyle

enum ImpellerFontStyle

Enumerator
kImpellerFontStyleNormal
kImpellerFontStyleItalic

Definition at line 465 of file impeller.h.

                                {
   kImpellerFontStyleNormal,
   kImpellerFontStyleItalic,
 } ImpellerFontStyle;

◆ ImpellerFontWeight

enum ImpellerFontWeight

Enumerator
kImpellerFontWeight100
kImpellerFontWeight200
kImpellerFontWeight300
kImpellerFontWeight400
kImpellerFontWeight500
kImpellerFontWeight600
kImpellerFontWeight700
kImpellerFontWeight800
kImpellerFontWeight900

Definition at line 453 of file impeller.h.

                                 {
   kImpellerFontWeight100,  // Thin
   kImpellerFontWeight200,  // Extra-Light
   kImpellerFontWeight300,  // Light
   kImpellerFontWeight400,  // Normal/Regular
   kImpellerFontWeight500,  // Medium
   kImpellerFontWeight600,  // Semi-bold
   kImpellerFontWeight700,  // Bold
   kImpellerFontWeight800,  // Extra-Bold
   kImpellerFontWeight900,  // Black
 } ImpellerFontWeight;

◆ ImpellerPixelFormat

enum ImpellerPixelFormat

Enumerator
kImpellerPixelFormatRGBA8888

Definition at line 424 of file impeller.h.

                                  {
   kImpellerPixelFormatRGBA8888,
 } ImpellerPixelFormat;

◆ ImpellerStrokeCap

enum ImpellerStrokeCap

Enumerator
kImpellerStrokeCapButt
kImpellerStrokeCapRound
kImpellerStrokeCapSquare

Definition at line 412 of file impeller.h.

                                {
   kImpellerStrokeCapButt,
   kImpellerStrokeCapRound,
   kImpellerStrokeCapSquare,
 } ImpellerStrokeCap;

◆ ImpellerStrokeJoin

enum ImpellerStrokeJoin

Enumerator
kImpellerStrokeJoinMiter
kImpellerStrokeJoinRound
kImpellerStrokeJoinBevel

Definition at line 418 of file impeller.h.

                                 {
   kImpellerStrokeJoinMiter,
   kImpellerStrokeJoinRound,
   kImpellerStrokeJoinBevel,
 } ImpellerStrokeJoin;

◆ ImpellerTextAlignment

enum ImpellerTextAlignment

Enumerator
kImpellerTextAlignmentLeft
kImpellerTextAlignmentRight
kImpellerTextAlignmentCenter
kImpellerTextAlignmentJustify
kImpellerTextAlignmentStart
kImpellerTextAlignmentEnd

Definition at line 470 of file impeller.h.

                                    {
   kImpellerTextAlignmentLeft,
   kImpellerTextAlignmentRight,
   kImpellerTextAlignmentCenter,
   kImpellerTextAlignmentJustify,
   kImpellerTextAlignmentStart,
   kImpellerTextAlignmentEnd,
 } ImpellerTextAlignment;

◆ ImpellerTextDecorationStyle

enum ImpellerTextDecorationStyle

Enumerator
kImpellerTextDecorationStyleSolid
kImpellerTextDecorationStyleDouble
kImpellerTextDecorationStyleDotted
kImpellerTextDecorationStyleDashed
kImpellerTextDecorationStyleWavy

Definition at line 491 of file impeller.h.

                                          {
   kImpellerTextDecorationStyleSolid,
   kImpellerTextDecorationStyleDouble,
   kImpellerTextDecorationStyleDotted,
   kImpellerTextDecorationStyleDashed,
   kImpellerTextDecorationStyleWavy,
 } ImpellerTextDecorationStyle;

◆ ImpellerTextDecorationType

enum ImpellerTextDecorationType

Enumerator
kImpellerTextDecorationTypeNone
kImpellerTextDecorationTypeUnderline
kImpellerTextDecorationTypeOverline
kImpellerTextDecorationTypeLineThrough

Definition at line 484 of file impeller.h.

                                         {
   kImpellerTextDecorationTypeNone = 0 << 0,
   kImpellerTextDecorationTypeUnderline = 1 << 0,
   kImpellerTextDecorationTypeOverline = 1 << 1,
   kImpellerTextDecorationTypeLineThrough = 1 << 2,
 } ImpellerTextDecorationType;

◆ ImpellerTextDirection

enum ImpellerTextDirection

Enumerator
kImpellerTextDirectionRTL
kImpellerTextDirectionLTR

Definition at line 479 of file impeller.h.

                                    {
   kImpellerTextDirectionRTL,
   kImpellerTextDirectionLTR,
 } ImpellerTextDirection;

◆ ImpellerTextureSampling

enum ImpellerTextureSampling

Enumerator
kImpellerTextureSamplingNearestNeighbor
kImpellerTextureSamplingLinear

Definition at line 428 of file impeller.h.

                                      {
   kImpellerTextureSamplingNearestNeighbor,
   kImpellerTextureSamplingLinear,
 } ImpellerTextureSampling;

◆ ImpellerTileMode

enum ImpellerTileMode

Enumerator
kImpellerTileModeClamp
kImpellerTileModeRepeat
kImpellerTileModeMirror
kImpellerTileModeDecal

Definition at line 433 of file impeller.h.

                               {
   kImpellerTileModeClamp,
   kImpellerTileModeRepeat,
   kImpellerTileModeMirror,
   kImpellerTileModeDecal,
 } ImpellerTileMode;

Function Documentation

◆ IMPELLER_DEFINE_HANDLE() [1/20]

IMPELLER_DEFINE_HANDLE ( ImpellerColorFilter )

Color filters are functions that take two colors and mix them to produce a single color. This color is then merged with the destination during blending.

◆ IMPELLER_DEFINE_HANDLE() [2/20]

IMPELLER_DEFINE_HANDLE ( ImpellerColorSource )

Color sources are functions that generate colors for each texture element covered by a draw call. The colors for each element can be generated using a mathematical function (to produce gradients for example) or sampled from a texture.

◆ IMPELLER_DEFINE_HANDLE() [3/20]

IMPELLER_DEFINE_HANDLE ( ImpellerContext )

An Impeller graphics context. Contexts are platform and client-rendering-API specific.

Contexts are thread-safe objects that are expensive to create. Most applications will only ever create a single context during their lifetimes. Once setup, Impeller is ready to render frames as performantly as possible.

During setup, context create the underlying graphics pipelines, allocators, worker threads, etc...

The general guidance is to create as few contexts as possible (typically just one) and share them as much as possible.

◆ IMPELLER_DEFINE_HANDLE() [4/20]

IMPELLER_DEFINE_HANDLE ( ImpellerDisplayList )

Display lists represent encoded rendering intent. These objects are immutable, reusable, thread-safe, and context-agnostic.

While it is perfectly fine to create new display lists per frame, there may be opportunities for optimization when display lists are reused multiple times.

◆ IMPELLER_DEFINE_HANDLE() [5/20]

IMPELLER_DEFINE_HANDLE ( ImpellerDisplayListBuilder )

Display list builders allow for the incremental creation of display lists.

Display list builders are context-agnostic.

◆ IMPELLER_DEFINE_HANDLE() [6/20]

IMPELLER_DEFINE_HANDLE ( ImpellerFragmentProgram )

A fragment shader is a small program that is authored in GLSL and compiled using impellerc that runs on each pixel covered by a polygon and allows the user to configure how it is shaded.

See also: https://docs.flutter.dev/ui/design/graphics/fragment-shaders

◆ IMPELLER_DEFINE_HANDLE() [7/20]

IMPELLER_DEFINE_HANDLE ( ImpellerGlyphInfo )

Describes the metrics of glyphs in a paragraph line.

◆ IMPELLER_DEFINE_HANDLE() [8/20]

IMPELLER_DEFINE_HANDLE ( ImpellerImageFilter )

Image filters are functions that are applied regions of a texture to produce a single color. Contrast this with color filters that operate independently on a per-pixel basis. The generated color is then merged with the destination during blending.

◆ IMPELLER_DEFINE_HANDLE() [9/20]

IMPELLER_DEFINE_HANDLE ( ImpellerLineMetrics )

Describes the metrics of lines in a fully laid out paragraph.

Regardless of how the string of text is specified to the paragraph builder, offsets into buffers that are returned by line metrics are always assumed to be into buffers of UTF-16 code units.

◆ IMPELLER_DEFINE_HANDLE() [10/20]

IMPELLER_DEFINE_HANDLE ( ImpellerMaskFilter )

Mask filters are functions that are applied over a shape after it has been drawn but before it has been blended into the final image.

◆ IMPELLER_DEFINE_HANDLE() [11/20]

IMPELLER_DEFINE_HANDLE ( ImpellerPaint )

Paints control the behavior of draw calls encoded in a display list.

Like display lists, paints are context-agnostic.

◆ IMPELLER_DEFINE_HANDLE() [12/20]

IMPELLER_DEFINE_HANDLE ( ImpellerParagraph )

An immutable, fully laid out paragraph.

◆ IMPELLER_DEFINE_HANDLE() [13/20]

IMPELLER_DEFINE_HANDLE ( ImpellerParagraphBuilder )

Paragraph builders allow for the creation of fully laid out paragraphs (which themselves are immutable).

To build a paragraph, users push/pop paragraph styles onto a stack then add UTF-8 encoded text. The properties on the top of paragraph style stack when the text is added are used to layout and shape that subset of the paragraph.

See also: ImpellerParagraphStyle

◆ IMPELLER_DEFINE_HANDLE() [14/20]

IMPELLER_DEFINE_HANDLE ( ImpellerParagraphStyle )

Specified when building a paragraph, paragraph styles are managed in a stack with specify text properties to apply to text that is added to the paragraph builder.

◆ IMPELLER_DEFINE_HANDLE() [15/20]

IMPELLER_DEFINE_HANDLE ( ImpellerPath )

Represents a two-dimensional path that is immutable and graphics context agnostic.

Paths in Impeller consist of linear, cubic Bézier curve, and quadratic Bézier curve segments. All other shapes are approximations using these building blocks.

Paths are created using path builder that allow for the configuration of the path segments, how they are filled, and/or stroked.

◆ IMPELLER_DEFINE_HANDLE() [16/20]

IMPELLER_DEFINE_HANDLE ( ImpellerPathBuilder )

Path builders allow for the incremental building up of paths.

◆ IMPELLER_DEFINE_HANDLE() [17/20]

IMPELLER_DEFINE_HANDLE ( ImpellerSurface )

A surface represents a render target for Impeller to direct the rendering intent specified the form of display lists to.

Render targets are how Impeller API users perform Window System Integration (WSI). Users wrap swapchain images as surfaces and draw display lists onto these surfaces to present content.

Creating surfaces is typically platform and client-rendering-API specific.

◆ IMPELLER_DEFINE_HANDLE() [18/20]

IMPELLER_DEFINE_HANDLE ( ImpellerTexture )

A reference to a texture whose data is resident on the GPU. These can be referenced in draw calls and paints.

Creating textures is extremely expensive. Creating a single one can typically comfortably blow the frame budget of an application. Textures should be created on background threads.

Warning: While textures themselves are thread safe, some context types (like OpenGL) may need extra configuration to be able to operate from multiple threads.

◆ IMPELLER_DEFINE_HANDLE() [19/20]

IMPELLER_DEFINE_HANDLE ( ImpellerTypographyContext )

Typography contexts allow for the layout and rendering of text.

These are typically expensive to create and applications will only ever need to create a single one of these during their lifetimes.

Unlike graphics context, typograhy contexts are not thread-safe. These must be created, used, and collected on a single thread.

◆ IMPELLER_DEFINE_HANDLE() [20/20]

IMPELLER_DEFINE_HANDLE ( ImpellerVulkanSwapchain )

The primary form of WSI when using a Vulkan context, these swapchains use the VK_KHR_surface Vulkan extension.

Creating a swapchain is extremely expensive. One must be created at application startup and re-used throughout the application lifecycle.

Swapchains are resilient to the underlying surfaces being resized. The swapchain images will be re-created as necessary on-demand.

◆ ImpellerColorFilterCreateBlendNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorFilter IMPELLER_NULLABLE ImpellerColorFilterCreateBlendNew	(	const ImpellerColor *IMPELLER_NONNULL	color,
		ImpellerBlendMode	blend_mode
	)

Create a color filter that performs blending of pixel values independently.

Parameters

[in]	color	The color.
[in]	blend_mode	The blend mode.

Returns: The color filter.

◆ ImpellerColorFilterCreateColorMatrixNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorFilter IMPELLER_NULLABLE ImpellerColorFilterCreateColorMatrixNew ( const ImpellerColorMatrix *IMPELLER_NONNULL color_matrix )

Create a color filter that transforms pixel color values independently.

Parameters

[in] color_matrix The color matrix.

Returns: The color filter.

◆ ImpellerColorFilterRelease()

IMPELLER_EXPORT void ImpellerColorFilterRelease ( ImpellerColorFilter IMPELLER_NULLABLE color_filter )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] color_filter The color filter.

◆ ImpellerColorFilterRetain()

IMPELLER_EXPORT void ImpellerColorFilterRetain ( ImpellerColorFilter IMPELLER_NULLABLE color_filter )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] color_filter The color filter.

◆ ImpellerColorSourceCreateConicalGradientNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorSource IMPELLER_NULLABLE ImpellerColorSourceCreateConicalGradientNew	(	const ImpellerPoint *IMPELLER_NONNULL	start_center,
		float	start_radius,
		const ImpellerPoint *IMPELLER_NONNULL	end_center,
		float	end_radius,
		uint32_t	stop_count,
		const ImpellerColor *IMPELLER_NONNULL	colors,
		const float *IMPELLER_NONNULL	stops,
		ImpellerTileMode	tile_mode,
		const ImpellerMatrix *IMPELLER_NULLABLE	transformation
	)

Create a color source that forms a conical gradient.

Parameters

[in]	start_center	The start center.
[in]	start_radius	The start radius.
[in]	end_center	The end center.
[in]	end_radius	The end radius.
[in]	stop_count	The stop count.
[in]	colors	The colors.
[in]	stops	The stops.
[in]	tile_mode	The tile mode.
[in]	transformation	The transformation.

Returns: The color source.

◆ ImpellerColorSourceCreateFragmentProgramNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorSource IMPELLER_NULLABLE ImpellerColorSourceCreateFragmentProgramNew	(	ImpellerContext IMPELLER_NONNULL	context,
		ImpellerFragmentProgram IMPELLER_NONNULL	fragment_program,
		IMPELLER_NONNULL ImpellerTexture *IMPELLER_NULLABLE	samplers,
		size_t	samplers_count,
		const uint8_t *IMPELLER_NULLABLE	data,
		size_t	data_bytes_length
	)

Create a color source whose pixels are shaded by a fragment program.

See also: https://docs.flutter.dev/ui/design/graphics/fragment-shaders

Parameters

[in]	context	The context.
[in]	fragment_program	The fragment program.
	samplers	The samplers.
[in]	samplers_count	The samplers count.
[in]	data	The data (copied).
[in]	data_bytes_length	The data bytes length.

Returns: The color source.

◆ ImpellerColorSourceCreateImageNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorSource IMPELLER_NULLABLE ImpellerColorSourceCreateImageNew	(	ImpellerTexture IMPELLER_NONNULL	image,
		ImpellerTileMode	horizontal_tile_mode,
		ImpellerTileMode	vertical_tile_mode,
		ImpellerTextureSampling	sampling,
		const ImpellerMatrix *IMPELLER_NULLABLE	transformation
	)

Create a color source that samples from an image.

Parameters

[in]	image	The image.
[in]	horizontal_tile_mode	The horizontal tile mode.
[in]	vertical_tile_mode	The vertical tile mode.
[in]	sampling	The sampling.
[in]	transformation	The transformation.

Returns: The color source.

◆ ImpellerColorSourceCreateLinearGradientNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorSource IMPELLER_NULLABLE ImpellerColorSourceCreateLinearGradientNew	(	const ImpellerPoint *IMPELLER_NONNULL	start_point,
		const ImpellerPoint *IMPELLER_NONNULL	end_point,
		uint32_t	stop_count,
		const ImpellerColor *IMPELLER_NONNULL	colors,
		const float *IMPELLER_NONNULL	stops,
		ImpellerTileMode	tile_mode,
		const ImpellerMatrix *IMPELLER_NULLABLE	transformation
	)

Create a color source that forms a linear gradient.

Parameters

[in]	start_point	The start point.
[in]	end_point	The end point.
[in]	stop_count	The stop count.
[in]	colors	The colors.
[in]	stops	The stops.
[in]	tile_mode	The tile mode.
[in]	transformation	The transformation.

Returns: The color source.

◆ ImpellerColorSourceCreateRadialGradientNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorSource IMPELLER_NULLABLE ImpellerColorSourceCreateRadialGradientNew	(	const ImpellerPoint *IMPELLER_NONNULL	center,
		float	radius,
		uint32_t	stop_count,
		const ImpellerColor *IMPELLER_NONNULL	colors,
		const float *IMPELLER_NONNULL	stops,
		ImpellerTileMode	tile_mode,
		const ImpellerMatrix *IMPELLER_NULLABLE	transformation
	)

Create a color source that forms a radial gradient.

Parameters

[in]	center	The center.
[in]	radius	The radius.
[in]	stop_count	The stop count.
[in]	colors	The colors.
[in]	stops	The stops.
[in]	tile_mode	The tile mode.
[in]	transformation	The transformation.

Returns: The color source.

◆ ImpellerColorSourceCreateSweepGradientNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerColorSource IMPELLER_NULLABLE ImpellerColorSourceCreateSweepGradientNew	(	const ImpellerPoint *IMPELLER_NONNULL	center,
		float	start,
		float	end,
		uint32_t	stop_count,
		const ImpellerColor *IMPELLER_NONNULL	colors,
		const float *IMPELLER_NONNULL	stops,
		ImpellerTileMode	tile_mode,
		const ImpellerMatrix *IMPELLER_NULLABLE	transformation
	)

Create a color source that forms a sweep gradient.

Parameters

[in]	center	The center.
[in]	start	The start.
[in]	end	The end.
[in]	stop_count	The stop count.
[in]	colors	The colors.
[in]	stops	The stops.
[in]	tile_mode	The tile mode.
[in]	transformation	The transformation.

Returns: The color source.

◆ ImpellerColorSourceRelease()

IMPELLER_EXPORT void ImpellerColorSourceRelease ( ImpellerColorSource IMPELLER_NULLABLE color_source )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] color_source The color source.

◆ ImpellerColorSourceRetain()

IMPELLER_EXPORT void ImpellerColorSourceRetain ( ImpellerColorSource IMPELLER_NULLABLE color_source )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] color_source The color source.

◆ ImpellerContextCreateMetalNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerContext IMPELLER_NULLABLE ImpellerContextCreateMetalNew ( uint32_t version )

Create a Metal context using the system default Metal device.

Parameters

[in] version The version specified in the IMPELLER_VERSION macro.

Returns: The Metal context or NULL if one cannot be created.

Referenced by main().

◆ ImpellerContextCreateOpenGLESNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerContext IMPELLER_NULLABLE ImpellerContextCreateOpenGLESNew	(	uint32_t	version,
		ImpellerProcAddressCallback IMPELLER_NONNULL	gl_proc_address_callback,
		void *IMPELLER_NULLABLE	gl_proc_address_callback_user_data
	)

Create an OpenGL(ES) Impeller context.

Warning: Unlike other context types, the OpenGL ES context can only be created, used, and collected on the calling thread. This restriction may be lifted in the future once reactor workers are exposed in the API. No other context types have threading restrictions. Till reactor workers can be used, using the context on a background thread will cause a stall of OpenGL operations.

Parameters

[in]	version	The version of the Impeller standalone API. See `ImpellerGetVersion`. If the specified here is not compatible with the version of the library, context creation will fail and NULL context returned from this call.
[in]	gl_proc_address_callback	The gl proc address callback. For instance, `eglGetProcAddress`.
[in]	gl_proc_address_callback_user_data	The gl proc address callback user data baton. This pointer is not interpreted by Impeller and will be returned as user data in the proc address callback. user data.

Returns: The context or NULL if one cannot be created.

Referenced by main().

◆ ImpellerContextCreateVulkanNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerContext IMPELLER_NULLABLE ImpellerContextCreateVulkanNew	(	uint32_t	version,
		const ImpellerContextVulkanSettings *IMPELLER_NONNULL	settings
	)

Create a Vulkan context using the provided Vulkan Settings.

Parameters

[in]	version	The version specified in the IMPELLER_VERSION macro.
[in]	settings	The Vulkan settings.

Returns: The Vulkan context or NULL if one cannot be created.

Referenced by main().

◆ ImpellerContextGetVulkanInfo()

IMPELLER_EXPORT bool ImpellerContextGetVulkanInfo	(	ImpellerContext IMPELLER_NONNULL	context,
		ImpellerContextVulkanInfo *IMPELLER_NONNULL	out_vulkan_info
	)

Get internal Vulkan handles managed by the given Vulkan context. Ownership of the handles is still maintained by Impeller. This accessor is just available so embedders can create resources using the same device and instance as Impeller for interop.

Warning: If the context is not a Vulkan context, False is returned with the [out] argument unaffected.

Parameters

[in]	context	The context
[out]	out_vulkan_info	The out vulkan information

Returns: If the Vulkan info could be fetched from the context.

Referenced by main().

◆ ImpellerContextRelease()

IMPELLER_EXPORT void ImpellerContextRelease ( ImpellerContext IMPELLER_NULLABLE context )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] context The context.

Referenced by main().

◆ ImpellerContextRetain()

IMPELLER_EXPORT void ImpellerContextRetain ( ImpellerContext IMPELLER_NULLABLE context )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] context The context.

◆ ImpellerDisplayListBuilderClipOval()

IMPELLER_EXPORT void ImpellerDisplayListBuilderClipOval	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		const ImpellerRect *IMPELLER_NONNULL	oval_bounds,
		ImpellerClipOperation	op
	)

Reduces the clip region to the intersection of the current clip and the given oval taking into account the clip operation.

Parameters

[in]	builder	The builder.
[in]	oval_bounds	The oval bounds.
[in]	op	The operation.

◆ ImpellerDisplayListBuilderClipPath()

IMPELLER_EXPORT void ImpellerDisplayListBuilderClipPath	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		ImpellerPath IMPELLER_NONNULL	path,
		ImpellerClipOperation	op
	)

Reduces the clip region to the intersection of the current clip and the given path taking into account the clip operation.

Parameters

[in]	builder	The builder.
[in]	path	The path.
[in]	op	The operation.

◆ ImpellerDisplayListBuilderClipRect()

IMPELLER_EXPORT void ImpellerDisplayListBuilderClipRect	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		const ImpellerRect *IMPELLER_NONNULL	rect,
		ImpellerClipOperation	op
	)

Reduces the clip region to the intersection of the current clip and the given rectangle taking into account the clip operation.

Parameters

[in]	builder	The builder.
[in]	rect	The rectangle.
[in]	op	The operation.

◆ ImpellerDisplayListBuilderClipRoundedRect()

IMPELLER_EXPORT void ImpellerDisplayListBuilderClipRoundedRect	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		const ImpellerRect *IMPELLER_NONNULL	rect,
		const ImpellerRoundingRadii *IMPELLER_NONNULL	radii,
		ImpellerClipOperation	op
	)

Reduces the clip region to the intersection of the current clip and the given rounded rectangle taking into account the clip operation.

Parameters

[in]	builder	The builder.
[in]	rect	The rectangle.
[in]	radii	The radii.
[in]	op	The operation.

◆ ImpellerDisplayListBuilderCreateDisplayListNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerDisplayList IMPELLER_NULLABLE ImpellerDisplayListBuilderCreateDisplayListNew ( ImpellerDisplayListBuilder IMPELLER_NONNULL builder )

Create a new display list using the rendering intent already encoded in the builder. The builder is reset after this call.

Parameters

[in] builder The builder.

Returns: The display list.

Referenced by main().

◆ ImpellerDisplayListBuilderDrawDashedLine()

IMPELLER_EXPORT void ImpellerDisplayListBuilderDrawDashedLine	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		const ImpellerPoint *IMPELLER_NONNULL	from,
		const ImpellerPoint *IMPELLER_NONNULL	to,
		float	on_length,
		float	off_length,
		ImpellerPaint IMPELLER_NONNULL	paint
	)

Draws a dash line segment.

Parameters

[in]	builder	The builder.
[in]	from	The starting point of the line.
[in]	to	The end point of the line.
[in]	on_length	On length.
[in]	off_length	Off length.
[in]	paint	The paint.

◆ ImpellerDisplayListBuilderDrawDisplayList()

IMPELLER_EXPORT void ImpellerDisplayListBuilderDrawDisplayList	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		ImpellerDisplayList IMPELLER_NONNULL	display_list,
		float	opacity
	)

Flattens the contents of another display list into the one currently being built.

Parameters

[in]	builder	The builder.
[in]	display_list	The display list.
[in]	opacity	The opacity.

◆ ImpellerDisplayListBuilderDrawLine()

IMPELLER_EXPORT void ImpellerDisplayListBuilderDrawLine	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		const ImpellerPoint *IMPELLER_NONNULL	from,
		const ImpellerPoint *IMPELLER_NONNULL	to,
		ImpellerPaint IMPELLER_NONNULL	paint
	)

Draws a line segment.

Parameters

[in]	builder	The builder.
[in]	from	The starting point of the line.
[in]	to	The end point of the line.
[in]	paint	The paint.

◆ ImpellerDisplayListBuilderDrawOval()

IMPELLER_EXPORT void ImpellerDisplayListBuilderDrawOval	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		const ImpellerRect *IMPELLER_NONNULL	oval_bounds,
		ImpellerPaint IMPELLER_NONNULL	paint
	)

Draws an oval.

Parameters

[in]	builder	The builder.
[in]	oval_bounds	The oval bounds.
[in]	paint	The paint.

◆ ImpellerDisplayListBuilderDrawPaint()

IMPELLER_EXPORT void ImpellerDisplayListBuilderDrawPaint	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		ImpellerPaint IMPELLER_NONNULL	paint
	)

Fills the current clip with the specified paint.

Parameters

[in]	builder	The builder.
[in]	paint	The paint.

Referenced by main().

◆ ImpellerDisplayListBuilderDrawParagraph()

IMPELLER_EXPORT void ImpellerDisplayListBuilderDrawParagraph	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		ImpellerParagraph IMPELLER_NONNULL	paragraph,
		const ImpellerPoint *IMPELLER_NONNULL	point
	)

Draw a paragraph at the specified point.

Parameters

[in]	builder	The builder.
[in]	paragraph	The paragraph.
[in]	point	The point.

◆ ImpellerDisplayListBuilderDrawPath()

IMPELLER_EXPORT void ImpellerDisplayListBuilderDrawPath	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		ImpellerPath IMPELLER_NONNULL	path,
		ImpellerPaint IMPELLER_NONNULL	paint
	)

Draws the specified shape.

Parameters

[in]	builder	The builder.
[in]	path	The path.
[in]	paint	The paint.

◆ ImpellerDisplayListBuilderDrawRect()

IMPELLER_EXPORT void ImpellerDisplayListBuilderDrawRect	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		const ImpellerRect *IMPELLER_NONNULL	rect,
		ImpellerPaint IMPELLER_NONNULL	paint
	)

Draws a rectangle.

Parameters

[in]	builder	The builder.
[in]	rect	The rectangle.
[in]	paint	The paint.

Referenced by main().

◆ ImpellerDisplayListBuilderDrawRoundedRect()

IMPELLER_EXPORT void ImpellerDisplayListBuilderDrawRoundedRect	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		const ImpellerRect *IMPELLER_NONNULL	rect,
		const ImpellerRoundingRadii *IMPELLER_NONNULL	radii,
		ImpellerPaint IMPELLER_NONNULL	paint
	)

Draws a rounded rect.

Parameters

[in]	builder	The builder.
[in]	rect	The rectangle.
[in]	radii	The radii.
[in]	paint	The paint.

◆ ImpellerDisplayListBuilderDrawRoundedRectDifference()

IMPELLER_EXPORT void ImpellerDisplayListBuilderDrawRoundedRectDifference	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		const ImpellerRect *IMPELLER_NONNULL	outer_rect,
		const ImpellerRoundingRadii *IMPELLER_NONNULL	outer_radii,
		const ImpellerRect *IMPELLER_NONNULL	inner_rect,
		const ImpellerRoundingRadii *IMPELLER_NONNULL	inner_radii,
		ImpellerPaint IMPELLER_NONNULL	paint
	)

Draws a shape that is the different between the specified rectangles (each with configurable corner radii).

Parameters

[in]	builder	The builder.
[in]	outer_rect	The outer rectangle.
[in]	outer_radii	The outer radii.
[in]	inner_rect	The inner rectangle.
[in]	inner_radii	The inner radii.
[in]	paint	The paint.

◆ ImpellerDisplayListBuilderDrawShadow()

IMPELLER_EXPORT void ImpellerDisplayListBuilderDrawShadow	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		ImpellerPath IMPELLER_NONNULL	path,
		const ImpellerColor *IMPELLER_NONNULL	color,
		float	elevation,
		bool	occluder_is_transparent,
		float	device_pixel_ratio
	)

Draw a shadow for a Path given a material elevation. If the occluding object is not opaque, additional hints (via the occluder_is_transparent argument) must be provided to render the shadow correctly.

Parameters

[in]	builder	The builder.
[in]	path	The shadow path.
[in]	color	The shadow color.
[in]	elevation	The material elevation.
[in]	occluder_is_transparent	If the object casting the shadow is transparent.
[in]	device_pixel_ratio	The device pixel ratio.

◆ ImpellerDisplayListBuilderDrawTexture()

IMPELLER_EXPORT void ImpellerDisplayListBuilderDrawTexture	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		ImpellerTexture IMPELLER_NONNULL	texture,
		const ImpellerPoint *IMPELLER_NONNULL	point,
		ImpellerTextureSampling	sampling,
		ImpellerPaint IMPELLER_NULLABLE	paint
	)

Draw a texture at the specified point.

Parameters

[in]	builder	The builder.
[in]	texture	The texture.
[in]	point	The point.
[in]	sampling	The sampling.
[in]	paint	The paint.

◆ ImpellerDisplayListBuilderDrawTextureRect()

IMPELLER_EXPORT void ImpellerDisplayListBuilderDrawTextureRect	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		ImpellerTexture IMPELLER_NONNULL	texture,
		const ImpellerRect *IMPELLER_NONNULL	src_rect,
		const ImpellerRect *IMPELLER_NONNULL	dst_rect,
		ImpellerTextureSampling	sampling,
		ImpellerPaint IMPELLER_NULLABLE	paint
	)

Draw a portion of texture at the specified location.

Parameters

[in]	builder	The builder.
[in]	texture	The texture.
[in]	src_rect	The source rectangle.
[in]	dst_rect	The destination rectangle.
[in]	sampling	The sampling.
[in]	paint	The paint.

◆ ImpellerDisplayListBuilderGetSaveCount()

IMPELLER_EXPORT uint32_t ImpellerDisplayListBuilderGetSaveCount ( ImpellerDisplayListBuilder IMPELLER_NONNULL builder )

Get the current size of the save stack.

Parameters

[in] builder The builder.

Returns: The save stack size.

◆ ImpellerDisplayListBuilderGetTransform()

IMPELLER_EXPORT void ImpellerDisplayListBuilderGetTransform	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		ImpellerMatrix *IMPELLER_NONNULL	out_transform
	)

Get the transformation currently built up on the top of the transformation stack.

Parameters

[in]	builder	The builder.
[out]	out_transform	The transform.

◆ ImpellerDisplayListBuilderNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerDisplayListBuilder IMPELLER_NULLABLE ImpellerDisplayListBuilderNew ( const ImpellerRect *IMPELLER_NULLABLE cull_rect )

Create a new display list builder.

        An optional cull rectangle may be specified. Impeller is allowed
        to treat the contents outside this rectangle as being undefined.
        This may aid performance optimizations.

Parameters

[in] cull_rect The cull rectangle or NULL.

Returns: The display list builder.

Referenced by main().

◆ ImpellerDisplayListBuilderRelease()

IMPELLER_EXPORT void ImpellerDisplayListBuilderRelease ( ImpellerDisplayListBuilder IMPELLER_NULLABLE builder )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] builder The display list builder.

Referenced by main().

◆ ImpellerDisplayListBuilderResetTransform()

IMPELLER_EXPORT void ImpellerDisplayListBuilderResetTransform ( ImpellerDisplayListBuilder IMPELLER_NONNULL builder )

Reset the transformation on top of the transformation stack to identity.

Parameters

[in] builder The builder.

◆ ImpellerDisplayListBuilderRestore()

IMPELLER_EXPORT void ImpellerDisplayListBuilderRestore ( ImpellerDisplayListBuilder IMPELLER_NONNULL builder )

Pops the last entry pushed onto the save stack using a call to ImpellerDisplayListBuilderSave or ImpellerDisplayListBuilderSaveLayer.

Parameters

[in] builder The builder.

◆ ImpellerDisplayListBuilderRestoreToCount()

IMPELLER_EXPORT void ImpellerDisplayListBuilderRestoreToCount	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		uint32_t	count
	)

Effectively calls ImpellerDisplayListBuilderRestore till the size of the save stack becomes a specified count.

Parameters

[in]	builder	The builder.
[in]	count	The count.

◆ ImpellerDisplayListBuilderRetain()

IMPELLER_EXPORT void ImpellerDisplayListBuilderRetain ( ImpellerDisplayListBuilder IMPELLER_NULLABLE builder )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] builder The display list builder.

◆ ImpellerDisplayListBuilderRotate()

IMPELLER_EXPORT void ImpellerDisplayListBuilderRotate	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		float	angle_degrees
	)

Apply a clockwise rotation to the transformation matrix currently on top of the save stack.

Parameters

[in]	builder	The builder.
[in]	angle_degrees	The angle in degrees.

◆ ImpellerDisplayListBuilderSave()

IMPELLER_EXPORT void ImpellerDisplayListBuilderSave ( ImpellerDisplayListBuilder IMPELLER_NONNULL builder )

Stashes the current transformation and clip state onto a save stack.

Parameters

[in] builder The builder.

◆ ImpellerDisplayListBuilderSaveLayer()

IMPELLER_EXPORT void ImpellerDisplayListBuilderSaveLayer	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		const ImpellerRect *IMPELLER_NONNULL	bounds,
		ImpellerPaint IMPELLER_NULLABLE	paint,
		ImpellerImageFilter IMPELLER_NULLABLE	backdrop
	)

Stashes the current transformation and clip state onto a save stack and creates and creates an offscreen layer onto which subsequent rendering intent will be directed to.

On the balancing call to restore, the supplied paints filters and blend modes will be used to composite the offscreen contents back onto the display display list.

Parameters

[in]	builder	The builder.
[in]	bounds	The bounds.
[in]	paint	The paint.
[in]	backdrop	The backdrop.

◆ ImpellerDisplayListBuilderScale()

IMPELLER_EXPORT void ImpellerDisplayListBuilderScale	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		float	x_scale,
		float	y_scale
	)

Apply a scale to the transformation matrix currently on top of the save stack.

Parameters

[in]	builder	The builder.
[in]	x_scale	The x scale.
[in]	y_scale	The y scale.

◆ ImpellerDisplayListBuilderSetTransform()

IMPELLER_EXPORT void ImpellerDisplayListBuilderSetTransform	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		const ImpellerMatrix *IMPELLER_NONNULL	transform
	)

Clear the transformation on top of the save stack and replace it with a new value.

Parameters

[in]	builder	The builder.
[in]	transform	The new transform.

◆ ImpellerDisplayListBuilderTransform()

IMPELLER_EXPORT void ImpellerDisplayListBuilderTransform	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		const ImpellerMatrix *IMPELLER_NONNULL	transform
	)

Appends the the provided transformation to the transformation already on the save stack.

Parameters

[in]	builder	The builder.
[in]	transform	The transform to append.

◆ ImpellerDisplayListBuilderTranslate()

IMPELLER_EXPORT void ImpellerDisplayListBuilderTranslate	(	ImpellerDisplayListBuilder IMPELLER_NONNULL	builder,
		float	x_translation,
		float	y_translation
	)

Apply a translation to the transformation matrix currently on top of the save stack.

Parameters

[in]	builder	The builder.
[in]	x_translation	The x translation.
[in]	y_translation	The y translation.

◆ ImpellerDisplayListRelease()

IMPELLER_EXPORT void ImpellerDisplayListRelease ( ImpellerDisplayList IMPELLER_NULLABLE display_list )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] display_list The display list.

Referenced by main().

◆ ImpellerDisplayListRetain()

IMPELLER_EXPORT void ImpellerDisplayListRetain ( ImpellerDisplayList IMPELLER_NULLABLE display_list )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] display_list The display list.

◆ ImpellerFragmentProgramNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerFragmentProgram IMPELLER_NULLABLE ImpellerFragmentProgramNew	(	const ImpellerMapping *IMPELLER_NONNULL	data,
		void *IMPELLER_NULLABLE	data_release_user_data
	)

Create a new fragment program using data obtained by compiling a GLSL shader with impellerc.

Warning: The data provided must be compiled by impellerc. Providing raw GLSL strings will lead to a nullptr return. Impeller does not compile shaders at runtime.

Parameters

[in]	data	The data compiled by `impellerc`.
	data_release_user_data	A baton passed back to the caller on the invocation of the mappings release callback. This call can happen on any thread.

Returns: The fragment program if one can be created, nullptr otherwise.

◆ ImpellerFragmentProgramRelease()

IMPELLER_EXPORT void ImpellerFragmentProgramRelease ( ImpellerFragmentProgram IMPELLER_NULLABLE fragment_program )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] fragment_program The fragment program.

◆ ImpellerFragmentProgramRetain()

IMPELLER_EXPORT void ImpellerFragmentProgramRetain ( ImpellerFragmentProgram IMPELLER_NULLABLE fragment_program )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] fragment_program The fragment program.

◆ ImpellerGetVersion()

IMPELLER_EXPORT uint32_t ImpellerGetVersion ( )

Get the version of Impeller standalone API. This is the API that will be accepted for validity checks when provided to the context creation methods.

The current version of the API is denoted by the IMPELLER_VERSION macro. This version must be passed to APIs that create top-level objects like graphics contexts. Construction of the context may fail if the API version expected by the caller is not supported by the library.

Since there are no API stability guarantees today, passing a version that is different to the one returned by ImpellerGetVersion will always fail.

See also: ImpellerContextCreateOpenGLESNew

Returns: The version of the standalone API.

◆ ImpellerGlyphInfoGetGraphemeClusterBounds()

IMPELLER_EXPORT void ImpellerGlyphInfoGetGraphemeClusterBounds	(	ImpellerGlyphInfo IMPELLER_NONNULL	glyph_info,
		ImpellerRect *IMPELLER_NONNULL	out_bounds
	)

Fetch the bounds of the grapheme cluster for the glyph in the coordinate space of the paragraph.

Parameters

[in]	glyph_info	The glyph information.
[out]	out_bounds	The grapheme cluster bounds.

◆ ImpellerGlyphInfoGetGraphemeClusterCodeUnitRangeBegin()

IMPELLER_EXPORT size_t ImpellerGlyphInfoGetGraphemeClusterCodeUnitRangeBegin ( ImpellerGlyphInfo IMPELLER_NONNULL glyph_info )

Fetch the start index in the buffer of UTF-16 code units used to represent the grapheme cluster for a glyph.

Parameters

[in] glyph_info The glyph information.

Returns: The UTF-16 code units start index.

◆ ImpellerGlyphInfoGetGraphemeClusterCodeUnitRangeEnd()

IMPELLER_EXPORT size_t ImpellerGlyphInfoGetGraphemeClusterCodeUnitRangeEnd ( ImpellerGlyphInfo IMPELLER_NONNULL glyph_info )

Fetch the end index in the buffer of UTF-16 code units used to represent the grapheme cluster for a glyph.

Parameters

[in] glyph_info The glyph information.

Returns: The UTF-16 code units end index.

◆ ImpellerGlyphInfoGetTextDirection()

IMPELLER_EXPORT ImpellerTextDirection ImpellerGlyphInfoGetTextDirection ( ImpellerGlyphInfo IMPELLER_NONNULL glyph_info )

Parameters

[in] glyph_info The glyph information.

Returns: The direction of the run that contains the glyph.

◆ ImpellerGlyphInfoIsEllipsis()

IMPELLER_EXPORT bool ImpellerGlyphInfoIsEllipsis ( ImpellerGlyphInfo IMPELLER_NONNULL glyph_info )

Parameters

[in] glyph_info The glyph information.

Returns: True if the glyph represents an ellipsis. False otherwise.

◆ ImpellerGlyphInfoRelease()

IMPELLER_EXPORT void ImpellerGlyphInfoRelease ( ImpellerGlyphInfo IMPELLER_NULLABLE glyph_info )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] glyph_info The glyph information.

◆ ImpellerGlyphInfoRetain()

IMPELLER_EXPORT void ImpellerGlyphInfoRetain ( ImpellerGlyphInfo IMPELLER_NULLABLE glyph_info )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] glyph_info The glyph information.

◆ ImpellerImageFilterCreateBlurNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerImageFilter IMPELLER_NULLABLE ImpellerImageFilterCreateBlurNew	(	float	x_sigma,
		float	y_sigma,
		ImpellerTileMode	tile_mode
	)

Creates an image filter that applies a Gaussian blur.

        The Gaussian blur applied may be an approximation for
        performance.

Parameters

[in]	x_sigma	The x sigma.
[in]	y_sigma	The y sigma.
[in]	tile_mode	The tile mode.

Returns: The image filter.

◆ ImpellerImageFilterCreateComposeNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerImageFilter IMPELLER_NULLABLE ImpellerImageFilterCreateComposeNew	(	ImpellerImageFilter IMPELLER_NONNULL	outer,
		ImpellerImageFilter IMPELLER_NONNULL	inner
	)

Creates a composed filter that when applied is identical to subsequently applying the inner and then the outer filters.

``` destination = outer_filter(inner_filter(source)) ```

Parameters

[in]	outer	The outer image filter.
[in]	inner	The inner image filter.

Returns: The combined image filter.

◆ ImpellerImageFilterCreateDilateNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerImageFilter IMPELLER_NULLABLE ImpellerImageFilterCreateDilateNew	(	float	x_radius,
		float	y_radius
	)

Creates an image filter that enhances the per-channel pixel values to the maximum value in a circle around the pixel.

Parameters

[in]	x_radius	The x radius.
[in]	y_radius	The y radius.

Returns: The image filter.

◆ ImpellerImageFilterCreateErodeNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerImageFilter IMPELLER_NULLABLE ImpellerImageFilterCreateErodeNew	(	float	x_radius,
		float	y_radius
	)

Creates an image filter that dampens the per-channel pixel values to the minimum value in a circle around the pixel.

Parameters

[in]	x_radius	The x radius.
[in]	y_radius	The y radius.

Returns: The image filter.

◆ ImpellerImageFilterCreateFragmentProgramNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerImageFilter IMPELLER_NULLABLE ImpellerImageFilterCreateFragmentProgramNew	(	ImpellerContext IMPELLER_NONNULL	context,
		ImpellerFragmentProgram IMPELLER_NONNULL	fragment_program,
		IMPELLER_NONNULL ImpellerTexture *IMPELLER_NULLABLE	samplers,
		size_t	samplers_count,
		const uint8_t *IMPELLER_NULLABLE	data,
		size_t	data_bytes_length
	)

Create an image filter where each pixel is shaded by a fragment program.

See also: https://docs.flutter.dev/ui/design/graphics/fragment-shaders

Parameters

[in]	context	The context.
[in]	fragment_program	The fragment program.
	samplers	The samplers.
[in]	samplers_count	The samplers count.
[in]	data	The data (copied).
[in]	data_bytes_length	The data bytes length.

Returns: The image filter.

◆ ImpellerImageFilterCreateMatrixNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerImageFilter IMPELLER_NULLABLE ImpellerImageFilterCreateMatrixNew	(	const ImpellerMatrix *IMPELLER_NONNULL	matrix,
		ImpellerTextureSampling	sampling
	)

Creates an image filter that applies a transformation matrix to the underlying image.

Parameters

[in]	matrix	The transformation matrix.
[in]	sampling	The image sampling mode.

Returns: The image filter.

◆ ImpellerImageFilterRelease()

IMPELLER_EXPORT void ImpellerImageFilterRelease ( ImpellerImageFilter IMPELLER_NULLABLE image_filter )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] image_filter The image filter.

◆ ImpellerImageFilterRetain()

IMPELLER_EXPORT void ImpellerImageFilterRetain ( ImpellerImageFilter IMPELLER_NULLABLE image_filter )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] image_filter The image filter.

◆ ImpellerLineMetricsGetAscent()

IMPELLER_EXPORT double ImpellerLineMetricsGetAscent	(	ImpellerLineMetrics IMPELLER_NONNULL	metrics,
		size_t	line
	)

The rise from the baseline as calculated from the font and style for this line.

Parameters

[in]	metrics	The metrics.
[in]	line	The line index (zero based).

Returns: The ascent.

◆ ImpellerLineMetricsGetBaseline()

IMPELLER_EXPORT double ImpellerLineMetricsGetBaseline	(	ImpellerLineMetrics IMPELLER_NONNULL	metrics,
		size_t	line
	)

The y coordinate of the baseline for this line from the top of the paragraph.

Parameters

[in]	metrics	The metrics.
[in]	line	The line index (zero based).

Returns: The baseline.

◆ ImpellerLineMetricsGetCodeUnitEndIndex()

IMPELLER_EXPORT size_t ImpellerLineMetricsGetCodeUnitEndIndex	(	ImpellerLineMetrics IMPELLER_NONNULL	metrics,
		size_t	line
	)

Fetch the end index in the buffer of UTF-16 code units used to represent the paragraph line.

Parameters

[in]	metrics	The metrics.
[in]	line	The line index (zero based).

Returns: The UTF-16 code units end index.

◆ ImpellerLineMetricsGetCodeUnitEndIndexExcludingWhitespace()

IMPELLER_EXPORT size_t ImpellerLineMetricsGetCodeUnitEndIndexExcludingWhitespace	(	ImpellerLineMetrics IMPELLER_NONNULL	metrics,
		size_t	line
	)

Fetch the end index (excluding whitespace) in the buffer of UTF-16 code units used to represent the paragraph line.

Parameters

[in]	metrics	The metrics.
[in]	line	The line index (zero based).

Returns: The UTF-16 code units end index excluding whitespace.

◆ ImpellerLineMetricsGetCodeUnitEndIndexIncludingNewline()

IMPELLER_EXPORT size_t ImpellerLineMetricsGetCodeUnitEndIndexIncludingNewline	(	ImpellerLineMetrics IMPELLER_NONNULL	metrics,
		size_t	line
	)

Fetch the end index (including newlines) in the buffer of UTF-16 code units used to represent the paragraph line.

Parameters

[in]	metrics	The metrics.
[in]	line	The line index (zero based).

Returns: The UTF-16 code units end index including newlines.

◆ ImpellerLineMetricsGetCodeUnitStartIndex()

IMPELLER_EXPORT size_t ImpellerLineMetricsGetCodeUnitStartIndex	(	ImpellerLineMetrics IMPELLER_NONNULL	metrics,
		size_t	line
	)

Fetch the start index in the buffer of UTF-16 code units used to represent the paragraph line.

Parameters

[in]	metrics	The metrics.
[in]	line	The line index (zero based).

Returns: The UTF-16 code units start index.

◆ ImpellerLineMetricsGetDescent()

IMPELLER_EXPORT double ImpellerLineMetricsGetDescent	(	ImpellerLineMetrics IMPELLER_NONNULL	metrics,
		size_t	line
	)

The drop from the baseline as calculated from the font and style for this line.

Parameters

[in]	metrics	The metrics.
[in]	line	The line index (zero based).

Returns: The descent.

◆ ImpellerLineMetricsGetHeight()

IMPELLER_EXPORT double ImpellerLineMetricsGetHeight	(	ImpellerLineMetrics IMPELLER_NONNULL	metrics,
		size_t	line
	)

Total height of the line from the top edge to the bottom edge.

Parameters

[in]	metrics	The metrics.
[in]	line	The line index (zero based).

Returns: The height.

◆ ImpellerLineMetricsGetLeft()

IMPELLER_EXPORT double ImpellerLineMetricsGetLeft	(	ImpellerLineMetrics IMPELLER_NONNULL	metrics,
		size_t	line
	)

The x coordinate of left edge of the line.

Parameters

[in]	metrics	The metrics.
[in]	line	The line index (zero based).

Returns: The left edge coordinate.

◆ ImpellerLineMetricsGetUnscaledAscent()

IMPELLER_EXPORT double ImpellerLineMetricsGetUnscaledAscent	(	ImpellerLineMetrics IMPELLER_NONNULL	metrics,
		size_t	line
	)

The rise from the baseline as calculated from the font and style for this line ignoring the height from the text style.

Parameters

[in]	metrics	The metrics.
[in]	line	The line index (zero based).

Returns: The unscaled ascent.

◆ ImpellerLineMetricsGetWidth()

IMPELLER_EXPORT double ImpellerLineMetricsGetWidth	(	ImpellerLineMetrics IMPELLER_NONNULL	metrics,
		size_t	line
	)

Width of the line from the left edge of the leftmost glyph to the right edge of the rightmost glyph.

Parameters

[in]	metrics	The metrics.
[in]	line	The line index (zero based).

Returns: The width.

◆ ImpellerLineMetricsIsHardbreak()

IMPELLER_EXPORT bool ImpellerLineMetricsIsHardbreak	(	ImpellerLineMetrics IMPELLER_NONNULL	metrics,
		size_t	line
	)

Used to determine if this line ends with an explicit line break (e.g. '
') or is the end of the paragraph.

Parameters

[in]	metrics	The metrics.
[in]	line	The line index (zero based).

Returns: True if the line is a hard break.

◆ ImpellerLineMetricsRelease()

IMPELLER_EXPORT void ImpellerLineMetricsRelease ( ImpellerLineMetrics IMPELLER_NULLABLE line_metrics )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] line_metrics The line metrics.

◆ ImpellerLineMetricsRetain()

IMPELLER_EXPORT void ImpellerLineMetricsRetain ( ImpellerLineMetrics IMPELLER_NULLABLE line_metrics )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] line_metrics The line metrics.

◆ ImpellerMaskFilterCreateBlurNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerMaskFilter IMPELLER_NULLABLE ImpellerMaskFilterCreateBlurNew	(	ImpellerBlurStyle	style,
		float	sigma
	)

Create a mask filter that blurs contents in the masked shape.

Parameters

[in]	style	The style.
[in]	sigma	The sigma.

Returns: The mask filter.

◆ ImpellerMaskFilterRelease()

IMPELLER_EXPORT void ImpellerMaskFilterRelease ( ImpellerMaskFilter IMPELLER_NULLABLE mask_filter )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] mask_filter The mask filter.

◆ ImpellerMaskFilterRetain()

IMPELLER_EXPORT void ImpellerMaskFilterRetain ( ImpellerMaskFilter IMPELLER_NULLABLE mask_filter )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] mask_filter The mask filter.

◆ ImpellerPaintNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerPaint IMPELLER_NULLABLE ImpellerPaintNew ( )

Create a new paint with default values.

Returns: The impeller paint.

Referenced by main().

◆ ImpellerPaintRelease()

IMPELLER_EXPORT void ImpellerPaintRelease ( ImpellerPaint IMPELLER_NULLABLE paint )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] paint The paint.

Referenced by main().

◆ ImpellerPaintRetain()

IMPELLER_EXPORT void ImpellerPaintRetain ( ImpellerPaint IMPELLER_NULLABLE paint )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] paint The paint.

◆ ImpellerPaintSetBlendMode()

IMPELLER_EXPORT void ImpellerPaintSetBlendMode	(	ImpellerPaint IMPELLER_NONNULL	paint,
		ImpellerBlendMode	mode
	)

Set the paint blend mode. The blend mode controls how the new paints contents are mixed with the values already drawn using previous draw calls.

Parameters

[in]	paint	The paint.
[in]	mode	The mode.

◆ ImpellerPaintSetColor()

IMPELLER_EXPORT void ImpellerPaintSetColor	(	ImpellerPaint IMPELLER_NONNULL	paint,
		const ImpellerColor *IMPELLER_NONNULL	color
	)

Set the paint color.

Parameters

[in]	paint	The paint.
[in]	color	The color.

Referenced by main().

◆ ImpellerPaintSetColorFilter()

IMPELLER_EXPORT void ImpellerPaintSetColorFilter	(	ImpellerPaint IMPELLER_NONNULL	paint,
		ImpellerColorFilter IMPELLER_NONNULL	color_filter
	)

Set the color filter of the paint.

        Color filters are functions that take two colors and mix them to
        produce a single color. This color is then usually merged with
        the destination during blending.

Parameters

[in]	paint	The paint.
[in]	color_filter	The color filter.

◆ ImpellerPaintSetColorSource()

IMPELLER_EXPORT void ImpellerPaintSetColorSource	(	ImpellerPaint IMPELLER_NONNULL	paint,
		ImpellerColorSource IMPELLER_NONNULL	color_source
	)

Set the color source of the paint.

        Color sources are functions that generate colors for each
        texture element covered by a draw call.

Parameters

[in]	paint	The paint.
[in]	color_source	The color source.

◆ ImpellerPaintSetDrawStyle()

IMPELLER_EXPORT void ImpellerPaintSetDrawStyle	(	ImpellerPaint IMPELLER_NONNULL	paint,
		ImpellerDrawStyle	style
	)

Set the paint draw style. The style controls if the closed shapes are filled and/or stroked.

Parameters

[in]	paint	The paint.
[in]	style	The style.

◆ ImpellerPaintSetImageFilter()

IMPELLER_EXPORT void ImpellerPaintSetImageFilter	(	ImpellerPaint IMPELLER_NONNULL	paint,
		ImpellerImageFilter IMPELLER_NONNULL	image_filter
	)

Set the image filter of a paint.

        Image filters are functions that are applied to regions of a
        texture to produce a single color.

Parameters

[in]	paint	The paint.
[in]	image_filter	The image filter.

◆ ImpellerPaintSetMaskFilter()

IMPELLER_EXPORT void ImpellerPaintSetMaskFilter	(	ImpellerPaint IMPELLER_NONNULL	paint,
		ImpellerMaskFilter IMPELLER_NONNULL	mask_filter
	)

Set the mask filter of a paint.

Parameters

[in]	paint	The paint.
[in]	mask_filter	The mask filter.

◆ ImpellerPaintSetStrokeCap()

IMPELLER_EXPORT void ImpellerPaintSetStrokeCap	(	ImpellerPaint IMPELLER_NONNULL	paint,
		ImpellerStrokeCap	cap
	)

Sets how strokes rendered using this paint are capped.

Parameters

[in]	paint	The paint.
[in]	cap	The stroke cap style.

◆ ImpellerPaintSetStrokeJoin()

IMPELLER_EXPORT void ImpellerPaintSetStrokeJoin	(	ImpellerPaint IMPELLER_NONNULL	paint,
		ImpellerStrokeJoin	join
	)

Sets how strokes rendered using this paint are joined.

Parameters

[in]	paint	The paint.
[in]	join	The join.

◆ ImpellerPaintSetStrokeMiter()

IMPELLER_EXPORT void ImpellerPaintSetStrokeMiter	(	ImpellerPaint IMPELLER_NONNULL	paint,
		float	miter
	)

Set the miter limit of the strokes rendered using this paint.

Parameters

[in]	paint	The paint.
[in]	miter	The miter limit.

◆ ImpellerPaintSetStrokeWidth()

IMPELLER_EXPORT void ImpellerPaintSetStrokeWidth	(	ImpellerPaint IMPELLER_NONNULL	paint,
		float	width
	)

Set the width of the strokes rendered using this paint.

Parameters

[in]	paint	The paint.
[in]	width	The width.

◆ ImpellerParagraphBuilderAddText()

IMPELLER_EXPORT void ImpellerParagraphBuilderAddText	(	ImpellerParagraphBuilder IMPELLER_NONNULL	paragraph_builder,
		const uint8_t *IMPELLER_NULLABLE	data,
		uint32_t	length
	)

Add UTF-8 encoded text to the paragraph. The text will be styled according to the paragraph style already on top of the paragraph style stack.

Parameters

[in]	paragraph_builder	The paragraph builder.
[in]	data	The data.
[in]	length	The length.

◆ ImpellerParagraphBuilderBuildParagraphNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerParagraph IMPELLER_NULLABLE ImpellerParagraphBuilderBuildParagraphNew	(	ImpellerParagraphBuilder IMPELLER_NONNULL	paragraph_builder,
		float	width
	)

Layout and build a new paragraph using the specified width. The resulting paragraph is immutable. The paragraph builder must be discarded and a new one created to build more paragraphs.

Parameters

[in]	paragraph_builder	The paragraph builder.
[in]	width	The paragraph width.

Returns: The paragraph if one can be created, NULL otherwise.

◆ ImpellerParagraphBuilderNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerParagraphBuilder IMPELLER_NULLABLE ImpellerParagraphBuilderNew ( ImpellerTypographyContext IMPELLER_NONNULL context )

Create a new paragraph builder.

Parameters

[in] context The context.

Returns: The paragraph builder.

◆ ImpellerParagraphBuilderPopStyle()

IMPELLER_EXPORT void ImpellerParagraphBuilderPopStyle ( ImpellerParagraphBuilder IMPELLER_NONNULL paragraph_builder )

Pop a previously pushed paragraph style from the paragraph style stack.

Parameters

[in] paragraph_builder The paragraph builder.

◆ ImpellerParagraphBuilderPushStyle()

IMPELLER_EXPORT void ImpellerParagraphBuilderPushStyle	(	ImpellerParagraphBuilder IMPELLER_NONNULL	paragraph_builder,
		ImpellerParagraphStyle IMPELLER_NONNULL	style
	)

Push a new paragraph style onto the paragraph style stack managed by the paragraph builder.

Not all paragraph styles can be combined. For instance, it does not make sense to mix text alignment for different text runs within a paragraph. In such cases, the preference of the the first paragraph style on the style stack will take hold.

If text is pushed onto the paragraph builder without a style previously pushed onto the stack, a default paragraph text style will be used. This may not always be desirable because some style element cannot be overridden. It is recommended that a default paragraph style always be pushed onto the stack before the addition of any text.

Parameters

[in]	paragraph_builder	The paragraph builder.
[in]	style	The style.

◆ ImpellerParagraphBuilderRelease()

IMPELLER_EXPORT void ImpellerParagraphBuilderRelease ( ImpellerParagraphBuilder IMPELLER_NULLABLE paragraph_builder )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] paragraph_builder The paragraph_builder.

◆ ImpellerParagraphBuilderRetain()

IMPELLER_EXPORT void ImpellerParagraphBuilderRetain ( ImpellerParagraphBuilder IMPELLER_NULLABLE paragraph_builder )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] paragraph_builder The paragraph builder.

◆ ImpellerParagraphCreateGlyphInfoAtCodeUnitIndexNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerGlyphInfo IMPELLER_NULLABLE ImpellerParagraphCreateGlyphInfoAtCodeUnitIndexNew	(	ImpellerParagraph IMPELLER_NONNULL	paragraph,
		size_t	code_unit_index
	)

Create a new instance of glyph info that can be queried for information about the glyph at the given UTF-16 code unit index. The instance must be freed using ImpellerGlyphInfoRelease.

Parameters

[in]	paragraph	The paragraph.
[in]	code_unit_index	The UTF-16 code unit index.

Returns: The glyph information.

◆ ImpellerParagraphCreateGlyphInfoAtParagraphCoordinatesNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerGlyphInfo IMPELLER_NULLABLE ImpellerParagraphCreateGlyphInfoAtParagraphCoordinatesNew	(	ImpellerParagraph IMPELLER_NONNULL	paragraph,
		double	x,
		double	y
	)

Create a new instance of glyph info that can be queried for information about the glyph closest to the specified coordinates relative to the origin of the paragraph. The instance must be freed using ImpellerGlyphInfoRelease.

Parameters

[in]	paragraph	The paragraph.
[in]	x	The x coordinate relative to paragraph origin.
[in]	y	The x coordinate relative to paragraph origin.

Returns: The glyph information.

Referenced by IMPELLER_HPP_NAMESPACE::Paragraph::GlyphInfoAtParagraphCoordinates().

◆ ImpellerParagraphGetAlphabeticBaseline()

IMPELLER_EXPORT float ImpellerParagraphGetAlphabeticBaseline ( ImpellerParagraph IMPELLER_NONNULL paragraph )

Parameters

[in] paragraph The paragraph.

Returns: The distance from the top of the paragraph to the alphabetic baseline of the first line when using alphabetic fonts (A-Z, a-z, Greek, etc...).

◆ ImpellerParagraphGetHeight()

IMPELLER_EXPORT float ImpellerParagraphGetHeight ( ImpellerParagraph IMPELLER_NONNULL paragraph )

Parameters

[in] paragraph The paragraph.

Returns: The height of the laid out paragraph. This is not a tight bounding box and some glyphs may not reach the minimum location they are allowed to reach.

◆ ImpellerParagraphGetIdeographicBaseline()

IMPELLER_EXPORT float ImpellerParagraphGetIdeographicBaseline ( ImpellerParagraph IMPELLER_NONNULL paragraph )

Parameters

[in] paragraph The paragraph.

Returns: The distance from the top of the paragraph to the ideographic baseline of the first line when using ideographic fonts (Japanese, Korean, etc...).

◆ ImpellerParagraphGetLineCount()

IMPELLER_EXPORT uint32_t ImpellerParagraphGetLineCount ( ImpellerParagraph IMPELLER_NONNULL paragraph )

Parameters

[in] paragraph The paragraph.

Returns: The number of lines visible in the paragraph after line breaking.

◆ ImpellerParagraphGetLineMetrics()

IMPELLER_EXPORT ImpellerLineMetrics IMPELLER_NULLABLE ImpellerParagraphGetLineMetrics ( ImpellerParagraph IMPELLER_NONNULL paragraph )

Get the line metrics of this laid out paragraph. Calculating the line metrics is expensive. The first time line metrics are requested, they will be cached along with the paragraph (which is immutable).

Parameters

[in] paragraph The paragraph.

Returns: The line metrics.

◆ ImpellerParagraphGetLongestLineWidth()

IMPELLER_EXPORT float ImpellerParagraphGetLongestLineWidth ( ImpellerParagraph IMPELLER_NONNULL paragraph )

Parameters

[in] paragraph The paragraph.

Returns: The length of the longest line in the paragraph. This is the horizontal distance between the left edge of the leftmost glyph and the right edge of the rightmost glyph, in the longest line in the paragraph.

◆ ImpellerParagraphGetMaxIntrinsicWidth()

IMPELLER_EXPORT float ImpellerParagraphGetMaxIntrinsicWidth ( ImpellerParagraph IMPELLER_NONNULL paragraph )

Parameters

[in] paragraph The paragraph.

Returns: The width of the paragraph without line breaking.

◆ ImpellerParagraphGetMaxWidth()

IMPELLER_EXPORT float ImpellerParagraphGetMaxWidth ( ImpellerParagraph IMPELLER_NONNULL paragraph )

See also: ImpellerParagraphGetMinIntrinsicWidth

Parameters

[in] paragraph The paragraph.

Returns: The width provided to the paragraph builder during the call to layout. This is the maximum width any line in the laid out paragraph can occupy. But, it is not necessarily the actual width of the paragraph after layout.

◆ ImpellerParagraphGetMinIntrinsicWidth()

IMPELLER_EXPORT float ImpellerParagraphGetMinIntrinsicWidth ( ImpellerParagraph IMPELLER_NONNULL paragraph )

See also: ImpellerParagraphGetMaxWidth

Parameters

[in] paragraph The paragraph.

Returns: The actual width of the longest line in the paragraph after layout. This is expected to be less than or equal to ImpellerParagraphGetMaxWidth.

◆ ImpellerParagraphGetWordBoundary()

IMPELLER_EXPORT void ImpellerParagraphGetWordBoundary	(	ImpellerParagraph IMPELLER_NONNULL	paragraph,
		size_t	code_unit_index,
		ImpellerRange *IMPELLER_NONNULL	out_range
	)

Get the range into the UTF-16 code unit buffer that represents the word at the specified caret location in the same buffer.

Word boundaries are defined more precisely in Unicode Standard Annex #29

Parameters

[in]	paragraph	The paragraph
[in]	code_unit_index	The code unit index
[out]	code_unit_index	The range.

◆ ImpellerParagraphRelease()

IMPELLER_EXPORT void ImpellerParagraphRelease ( ImpellerParagraph IMPELLER_NULLABLE paragraph )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] paragraph The paragraph.

◆ ImpellerParagraphRetain()

IMPELLER_EXPORT void ImpellerParagraphRetain ( ImpellerParagraph IMPELLER_NULLABLE paragraph )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] paragraph The paragraph.

◆ ImpellerParagraphStyleNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerParagraphStyle IMPELLER_NULLABLE ImpellerParagraphStyleNew ( )

Create a new paragraph style.

Returns: The paragraph style.

◆ ImpellerParagraphStyleRelease()

IMPELLER_EXPORT void ImpellerParagraphStyleRelease ( ImpellerParagraphStyle IMPELLER_NULLABLE paragraph_style )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] paragraph_style The paragraph style.

◆ ImpellerParagraphStyleRetain()

IMPELLER_EXPORT void ImpellerParagraphStyleRetain ( ImpellerParagraphStyle IMPELLER_NULLABLE paragraph_style )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] paragraph_style The paragraph style.

◆ ImpellerParagraphStyleSetBackground()

IMPELLER_EXPORT void ImpellerParagraphStyleSetBackground	(	ImpellerParagraphStyle IMPELLER_NONNULL	paragraph_style,
		ImpellerPaint IMPELLER_NONNULL	paint
	)

Set the paint used to render the background of the text glyphs.

Parameters

[in]	paragraph_style	The paragraph style.
[in]	paint	The paint.

◆ ImpellerParagraphStyleSetEllipsis()

IMPELLER_EXPORT void ImpellerParagraphStyleSetEllipsis	(	ImpellerParagraphStyle IMPELLER_NONNULL	paragraph_style,
		const char *IMPELLER_NULLABLE	ellipsis
	)

Set the UTF-8 string to use as the ellipsis. Pass nullptr to clear the setting to default.

Parameters

[in]	paragraph_style	The paragraph style.
[in]	data	The ellipsis string UTF-8 data, or null.

◆ ImpellerParagraphStyleSetFontFamily()

IMPELLER_EXPORT void ImpellerParagraphStyleSetFontFamily	(	ImpellerParagraphStyle IMPELLER_NONNULL	paragraph_style,
		const char *IMPELLER_NONNULL	family_name
	)

Set the font family.

Parameters

[in]	paragraph_style	The paragraph style.
[in]	family_name	The family name.

◆ ImpellerParagraphStyleSetFontSize()

IMPELLER_EXPORT void ImpellerParagraphStyleSetFontSize	(	ImpellerParagraphStyle IMPELLER_NONNULL	paragraph_style,
		float	size
	)

Set the font size.

Parameters

[in]	paragraph_style	The paragraph style.
[in]	size	The size.

◆ ImpellerParagraphStyleSetFontStyle()

IMPELLER_EXPORT void ImpellerParagraphStyleSetFontStyle	(	ImpellerParagraphStyle IMPELLER_NONNULL	paragraph_style,
		ImpellerFontStyle	style
	)

Set whether the glyphs should be bolded or italicized.

Parameters

[in]	paragraph_style	The paragraph style.
[in]	style	The style.

◆ ImpellerParagraphStyleSetFontWeight()

IMPELLER_EXPORT void ImpellerParagraphStyleSetFontWeight	(	ImpellerParagraphStyle IMPELLER_NONNULL	paragraph_style,
		ImpellerFontWeight	weight
	)

Set the weight of the font to select when rendering glyphs.

Parameters

[in]	paragraph_style	The paragraph style.
[in]	weight	The weight.

◆ ImpellerParagraphStyleSetForeground()

IMPELLER_EXPORT void ImpellerParagraphStyleSetForeground	(	ImpellerParagraphStyle IMPELLER_NONNULL	paragraph_style,
		ImpellerPaint IMPELLER_NONNULL	paint
	)

Set the paint used to render the text glyph contents.

Parameters

[in]	paragraph_style	The paragraph style.
[in]	paint	The paint.

◆ ImpellerParagraphStyleSetHeight()

IMPELLER_EXPORT void ImpellerParagraphStyleSetHeight	(	ImpellerParagraphStyle IMPELLER_NONNULL	paragraph_style,
		float	height
	)

The height of the text as a multiple of text size.

        When height is 0.0, the line height will be determined by the
        font's metrics directly, which may differ from the font size.
        Otherwise the line height of the text will be a multiple of font
        size, and be exactly fontSize * height logical pixels tall.

Parameters

[in]	paragraph_style	The paragraph style.
[in]	height	The height.

◆ ImpellerParagraphStyleSetLocale()

IMPELLER_EXPORT void ImpellerParagraphStyleSetLocale	(	ImpellerParagraphStyle IMPELLER_NONNULL	paragraph_style,
		const char *IMPELLER_NONNULL	locale
	)

Set the paragraph locale.

Parameters

[in]	paragraph_style	The paragraph style.
[in]	locale	The locale.

◆ ImpellerParagraphStyleSetMaxLines()

IMPELLER_EXPORT void ImpellerParagraphStyleSetMaxLines	(	ImpellerParagraphStyle IMPELLER_NONNULL	paragraph_style,
		uint32_t	max_lines
	)

Set the maximum line count within the paragraph.

Parameters

[in]	paragraph_style	The paragraph style.
[in]	max_lines	The maximum lines.

◆ ImpellerParagraphStyleSetTextAlignment()

IMPELLER_EXPORT void ImpellerParagraphStyleSetTextAlignment	(	ImpellerParagraphStyle IMPELLER_NONNULL	paragraph_style,
		ImpellerTextAlignment	align
	)

Set the alignment of text within the paragraph.

Parameters

[in]	paragraph_style	The paragraph style.
[in]	align	The align.

◆ ImpellerParagraphStyleSetTextDecoration()

IMPELLER_EXPORT void ImpellerParagraphStyleSetTextDecoration	(	ImpellerParagraphStyle IMPELLER_NONNULL	paragraph_style,
		const ImpellerTextDecoration *IMPELLER_NONNULL	decoration
	)

Set one of more text decorations on the paragraph. Decorations can be underlines, overlines, strikethroughs, etc.. The style of decorations can be set as well (dashed, dotted, wavy, etc..)

Parameters

[in]	ImpellerParagraphStyle	The paragraph style.
[in]	decoration	The text decoration.

◆ ImpellerParagraphStyleSetTextDirection()

IMPELLER_EXPORT void ImpellerParagraphStyleSetTextDirection	(	ImpellerParagraphStyle IMPELLER_NONNULL	paragraph_style,
		ImpellerTextDirection	direction
	)

Set the directionality of the text within the paragraph.

Parameters

[in]	paragraph_style	The paragraph style.
[in]	direction	The direction.

◆ ImpellerPathBuilderAddArc()

IMPELLER_EXPORT void ImpellerPathBuilderAddArc	(	ImpellerPathBuilder IMPELLER_NONNULL	builder,
		const ImpellerRect *IMPELLER_NONNULL	oval_bounds,
		float	start_angle_degrees,
		float	end_angle_degrees
	)

Add an arc to the path.

Parameters

[in]	builder	The builder.
[in]	oval_bounds	The oval bounds.
[in]	start_angle_degrees	The start angle in degrees.
[in]	end_angle_degrees	The end angle in degrees.

◆ ImpellerPathBuilderAddOval()

IMPELLER_EXPORT void ImpellerPathBuilderAddOval	(	ImpellerPathBuilder IMPELLER_NONNULL	builder,
		const ImpellerRect *IMPELLER_NONNULL	oval_bounds
	)

Add an oval to the path.

Parameters

[in]	builder	The builder.
[in]	oval_bounds	The oval bounds.

◆ ImpellerPathBuilderAddRect()

IMPELLER_EXPORT void ImpellerPathBuilderAddRect	(	ImpellerPathBuilder IMPELLER_NONNULL	builder,
		const ImpellerRect *IMPELLER_NONNULL	rect
	)

Adds a rectangle to the path.

Parameters

[in]	builder	The builder.
[in]	rect	The rectangle.

◆ ImpellerPathBuilderAddRoundedRect()

IMPELLER_EXPORT void ImpellerPathBuilderAddRoundedRect	(	ImpellerPathBuilder IMPELLER_NONNULL	builder,
		const ImpellerRect *IMPELLER_NONNULL	rect,
		const ImpellerRoundingRadii *IMPELLER_NONNULL	rounding_radii
	)

Add a rounded rect with potentially non-uniform radii to the path.

Parameters

[in]	builder	The builder.
[in]	rect	The rectangle.
[in]	rounding_radii	The rounding radii.

◆ ImpellerPathBuilderClose()

IMPELLER_EXPORT void ImpellerPathBuilderClose ( ImpellerPathBuilder IMPELLER_NONNULL builder )

Close the path.

Parameters

[in] builder The builder.

◆ ImpellerPathBuilderCopyPathNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerPath IMPELLER_NULLABLE ImpellerPathBuilderCopyPathNew	(	ImpellerPathBuilder IMPELLER_NONNULL	builder,
		ImpellerFillType	fill
	)

Create a new path by copying the existing built-up path. The existing path can continue being added to.

Parameters

[in]	builder	The builder.
[in]	fill	The fill.

Returns: The impeller path.

◆ ImpellerPathBuilderCubicCurveTo()

IMPELLER_EXPORT void ImpellerPathBuilderCubicCurveTo	(	ImpellerPathBuilder IMPELLER_NONNULL	builder,
		const ImpellerPoint *IMPELLER_NONNULL	control_point_1,
		const ImpellerPoint *IMPELLER_NONNULL	control_point_2,
		const ImpellerPoint *IMPELLER_NONNULL	end_point
	)

Add a cubic curve whose start point is current cursor location to the specified end point using the two specified control points.

The new location of the cursor after this call is the end point supplied.

Parameters

[in]	builder	The builder
[in]	control_point_1	The control point 1
[in]	control_point_2	The control point 2
[in]	end_point	The end point

◆ ImpellerPathBuilderLineTo()

IMPELLER_EXPORT void ImpellerPathBuilderLineTo	(	ImpellerPathBuilder IMPELLER_NONNULL	builder,
		const ImpellerPoint *IMPELLER_NONNULL	location
	)

Add a line segment from the current cursor location to the given location. The cursor location is updated to be at the endpoint.

Parameters

[in]	builder	The builder.
[in]	location	The location.

◆ ImpellerPathBuilderMoveTo()

IMPELLER_EXPORT void ImpellerPathBuilderMoveTo	(	ImpellerPathBuilder IMPELLER_NONNULL	builder,
		const ImpellerPoint *IMPELLER_NONNULL	location
	)

Move the cursor to the specified location.

Parameters

[in]	builder	The builder.
[in]	location	The location.

◆ ImpellerPathBuilderNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerPathBuilder IMPELLER_NULLABLE ImpellerPathBuilderNew ( )

Create a new path builder. Paths themselves are immutable. A builder builds these immutable paths.

Returns: The path builder.

◆ ImpellerPathBuilderQuadraticCurveTo()

IMPELLER_EXPORT void ImpellerPathBuilderQuadraticCurveTo	(	ImpellerPathBuilder IMPELLER_NONNULL	builder,
		const ImpellerPoint *IMPELLER_NONNULL	control_point,
		const ImpellerPoint *IMPELLER_NONNULL	end_point
	)

Add a quadratic curve from whose start point is the cursor to the specified end point using the a single control point.

The new location of the cursor after this call is the end point.

Parameters

[in]	builder	The builder.
[in]	control_point	The control point.
[in]	end_point	The end point.

◆ ImpellerPathBuilderRelease()

IMPELLER_EXPORT void ImpellerPathBuilderRelease ( ImpellerPathBuilder IMPELLER_NULLABLE builder )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] builder The builder.

◆ ImpellerPathBuilderRetain()

IMPELLER_EXPORT void ImpellerPathBuilderRetain ( ImpellerPathBuilder IMPELLER_NULLABLE builder )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] builder The builder.

◆ ImpellerPathBuilderTakePathNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerPath IMPELLER_NULLABLE ImpellerPathBuilderTakePathNew	(	ImpellerPathBuilder IMPELLER_NONNULL	builder,
		ImpellerFillType	fill
	)

Create a new path using the existing built-up path. The existing path builder now contains an empty path.

Parameters

[in]	builder	The builder.
[in]	fill	The fill.

Returns: The impeller path.

◆ ImpellerPathGetBounds()

IMPELLER_EXPORT void ImpellerPathGetBounds	(	ImpellerPath IMPELLER_NONNULL	path,
		ImpellerRect *IMPELLER_NONNULL	out_bounds
	)

Get the bounds of the path.

        The bounds are conservative. That is, they may be larger than
        the actual shape of the path and could include the control
        points and isolated calls to move the cursor.

Parameters

[in]	path	The path
[out]	out_bounds	The conservative bounds of the path.

◆ ImpellerPathRelease()

IMPELLER_EXPORT void ImpellerPathRelease ( ImpellerPath IMPELLER_NULLABLE path )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] path The path.

◆ ImpellerPathRetain()

IMPELLER_EXPORT void ImpellerPathRetain ( ImpellerPath IMPELLER_NULLABLE path )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] path The path.

◆ ImpellerSurfaceCreateWrappedFBONew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerSurface IMPELLER_NULLABLE ImpellerSurfaceCreateWrappedFBONew	(	ImpellerContext IMPELLER_NONNULL	context,
		uint64_t	fbo,
		ImpellerPixelFormat	format,
		const ImpellerISize *IMPELLER_NONNULL	size
	)

Create a new surface by wrapping an existing framebuffer object. The framebuffer must be complete as determined by glCheckFramebufferStatus. The framebuffer is still owned by the caller and it must be collected once the surface is collected.

Parameters

[in]	context	The context.
[in]	fbo	The framebuffer object handle.
[in]	format	The format of the framebuffer.
[in]	size	The size of the framebuffer is texels.

Returns: The surface if once can be created, NULL otherwise.

Referenced by main().

◆ ImpellerSurfaceCreateWrappedMetalDrawableNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerSurface IMPELLER_NULLABLE ImpellerSurfaceCreateWrappedMetalDrawableNew	(	ImpellerContext IMPELLER_NONNULL	context,
		void *IMPELLER_NONNULL	metal_drawable
	)

Create a surface by wrapping a Metal drawable. This is useful during WSI when the drawable is the backing store of the Metal layer being drawn to.

The Metal layer must be using the same device managed by the underlying context.

Parameters

[in]	context	The context. The Metal device managed by this context must be the same used to create the drawable that is being wrapped.
	metal_drawable	The drawable to wrap as a surface.

Returns: The surface if one could be wrapped, NULL otherwise.

Referenced by main().

◆ ImpellerSurfaceDrawDisplayList()

IMPELLER_EXPORT bool ImpellerSurfaceDrawDisplayList	(	ImpellerSurface IMPELLER_NONNULL	surface,
		ImpellerDisplayList IMPELLER_NONNULL	display_list
	)

Draw a display list onto the surface. The same display list can be drawn multiple times to different surfaces.

Warning: In the OpenGL backend, Impeller will not make an effort to preserve the OpenGL state that is current in the context. Embedders that perform additional OpenGL operations in the context should expect the reset state after control transitions back to them. Key state to watch out for would be the viewports, stencil rects, test toggles, resource (texture, framebuffer, buffer) bindings, etc...

Parameters

[in]	surface	The surface to draw the display list to.
[in]	display_list	The display list to draw onto the surface.

Returns: If the display list could be drawn onto the surface.

Referenced by main().

◆ ImpellerSurfacePresent()

IMPELLER_EXPORT bool ImpellerSurfacePresent ( ImpellerSurface IMPELLER_NONNULL surface )

Present the surface to the underlying window system.

Parameters

[in] surface The surface to present.

Returns: True if the surface could be presented.

Referenced by main().

◆ ImpellerSurfaceRelease()

IMPELLER_EXPORT void ImpellerSurfaceRelease ( ImpellerSurface IMPELLER_NULLABLE surface )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] surface The surface.

Referenced by main().

◆ ImpellerSurfaceRetain()

IMPELLER_EXPORT void ImpellerSurfaceRetain ( ImpellerSurface IMPELLER_NULLABLE surface )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] surface The surface.

◆ ImpellerTextureCreateWithContentsNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerTexture IMPELLER_NULLABLE ImpellerTextureCreateWithContentsNew	(	ImpellerContext IMPELLER_NONNULL	context,
		const ImpellerTextureDescriptor *IMPELLER_NONNULL	descriptor,
		const ImpellerMapping *IMPELLER_NONNULL	contents,
		void *IMPELLER_NULLABLE	contents_on_release_user_data
	)

Create a texture with decompressed bytes.

        Impeller will do its best to perform the transfer of this data
        to GPU memory with a minimal number of copies. Towards this
        end, it may need to send this data to a different thread for
        preparation and transfer. To facilitate this transfer, it is
        recommended that the content mapping have a release callback
        attach to it. When there is a release callback, Impeller assumes
        that collection of the data can be deferred till texture upload
        is done and can happen on a background thread. When there is no
        release callback, Impeller may try to perform an eager copy of
        the data if it needs to perform data preparation and transfer on
        a background thread.

        Whether an extra data copy actually occurs will always depend on
        the rendering backend in use. But it is best practice to provide
        a release callback and be resilient to the data being released
        in a deferred manner on a background thread.

Warning: Do not supply compressed image data directly (PNG, JPEG, etc...). This function only works with tightly packed decompressed data.

Parameters

[in]	context	The context.
[in]	descriptor	The texture descriptor.
[in]	contents	The contents.
[in]	contents_on_release_user_data	The baton passes to the contents release callback if one exists.

Returns: The texture if one can be created using the provided data, NULL otherwise.

◆ ImpellerTextureCreateWithOpenGLTextureHandleNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerTexture IMPELLER_NULLABLE ImpellerTextureCreateWithOpenGLTextureHandleNew	(	ImpellerContext IMPELLER_NONNULL	context,
		const ImpellerTextureDescriptor *IMPELLER_NONNULL	descriptor,
		uint64_t	handle
	)

Create a texture with an externally created OpenGL texture handle.

Ownership of the handle is transferred over to Impeller after a successful call to this method. Impeller is responsible for calling glDeleteTextures on this handle. Do not collect this handle yourself as this will lead to a double-free.

The handle must be created in the same context as the one used by Impeller. If a different context is used, that context must be in the same sharegroup as Impellers OpenGL context and all synchronization of texture contents must already be complete.

If the context is not an OpenGL context, this call will always fail.

Parameters

[in]	context	The context
[in]	descriptor	The descriptor
[in]	handle	The handle

Returns: The texture if one could be created by adopting the supplied texture handle, NULL otherwise.

◆ ImpellerTextureGetOpenGLHandle()

IMPELLER_EXPORT uint64_t ImpellerTextureGetOpenGLHandle ( ImpellerTexture IMPELLER_NONNULL texture )

Get the OpenGL handle associated with this texture. If this is not an OpenGL texture, this method will always return 0.

OpenGL handles are lazily created, this method will return GL_NONE is no OpenGL handle is available. To ensure that this call eagerly creates an OpenGL texture, call this on a thread where Impeller knows there is an OpenGL context available.

Parameters

[in] texture The texture.

Returns: The OpenGL handle if one is available, GL_NONE otherwise.

◆ ImpellerTextureRelease()

IMPELLER_EXPORT void ImpellerTextureRelease ( ImpellerTexture IMPELLER_NULLABLE texture )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] texture The texture.

◆ ImpellerTextureRetain()

IMPELLER_EXPORT void ImpellerTextureRetain ( ImpellerTexture IMPELLER_NULLABLE texture )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] texture The texture.

◆ ImpellerTypographyContextNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerTypographyContext IMPELLER_NULLABLE ImpellerTypographyContextNew ( )

Create a new typography contents.

Returns: The typography context.

◆ ImpellerTypographyContextRegisterFont()

IMPELLER_EXPORT bool ImpellerTypographyContextRegisterFont	(	ImpellerTypographyContext IMPELLER_NONNULL	context,
		const ImpellerMapping *IMPELLER_NONNULL	contents,
		void *IMPELLER_NULLABLE	contents_on_release_user_data,
		const char *IMPELLER_NULLABLE	family_name_alias
	)

Register a custom font.

        The following font formats are supported:
        * OpenType font collections (.ttc extension)
        * TrueType fonts: (.ttf extension)
        * OpenType fonts: (.otf extension)

Warning: Web Open Font Formats (.woff and .woff2 extensions) are not supported.

The font data is specified as a mapping. It is possible for the release callback of the mapping to not be called even past the destruction of the typography context. Care must be taken to not collect the mapping till the release callback is invoked by Impeller.

The family alias name can be NULL. In such cases, the font family specified in paragraph styles must match the family that is specified in the font data.

If the family name alias is not NULL, that family name must be used in the paragraph style to reference glyphs from this font instead of the one encoded in the font itself.

Multiple fonts (with glyphs for different styles) can be specified with the same family.

See also: ImpellerParagraphStyleSetFontFamily

Parameters

[in]	context	The context.
[in]	contents	The contents.
[in]	contents_on_release_user_data	The user data baton to be passed to the contents release callback.
[in]	family_name_alias	The family name alias or NULL if the one specified in the font data is to be used.

Returns: If the font could be successfully registered.

◆ ImpellerTypographyContextRelease()

IMPELLER_EXPORT void ImpellerTypographyContextRelease ( ImpellerTypographyContext IMPELLER_NULLABLE context )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] context The typography context.

◆ ImpellerTypographyContextRetain()

IMPELLER_EXPORT void ImpellerTypographyContextRetain ( ImpellerTypographyContext IMPELLER_NULLABLE context )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] context The typography context.

◆ ImpellerVulkanSwapchainAcquireNextSurfaceNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerSurface IMPELLER_NULLABLE ImpellerVulkanSwapchainAcquireNextSurfaceNew ( ImpellerVulkanSwapchain IMPELLER_NONNULL swapchain )

A potentially blocking operation, acquires the next surface to render to. Since this may block, surface acquisition must be delayed for as long as possible to avoid an idle wait on the CPU.

Parameters

[in] swapchain The swapchain.

Returns: The surface if one could be obtained, NULL otherwise.

Referenced by main().

◆ ImpellerVulkanSwapchainCreateNew()

IMPELLER_EXPORT IMPELLER_NODISCARD ImpellerVulkanSwapchain IMPELLER_NULLABLE ImpellerVulkanSwapchainCreateNew	(	ImpellerContext IMPELLER_NONNULL	context,
		void *IMPELLER_NONNULL	vulkan_surface_khr
	)

Create a new Vulkan swapchain using a VkSurfaceKHR instance. Ownership of the surface is transferred over to Impeller. The Vulkan instance the surface is created from must the same as the context provided.

Parameters

[in]	context	The context. Must be a Vulkan context whose instance is the same used to create the surface passed into the next argument.
	vulkan_surface_khr	The vulkan surface.

Returns: The vulkan swapchain.

Referenced by main().

◆ ImpellerVulkanSwapchainRelease()

IMPELLER_EXPORT void ImpellerVulkanSwapchainRelease ( ImpellerVulkanSwapchain IMPELLER_NULLABLE swapchain )

Release a previously retained reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] swapchain The swapchain.

Referenced by main().

◆ ImpellerVulkanSwapchainRetain()

IMPELLER_EXPORT void ImpellerVulkanSwapchainRetain ( ImpellerVulkanSwapchain IMPELLER_NULLABLE swapchain )

Retain a strong reference to the object. The object can be NULL in which case this method is a no-op.

Parameters

[in] swapchain The swapchain.

Classes

Macros

Typedefs

Enumerations

Functions

Macro Definition Documentation

◆ IMPELLER_DEFINE_HANDLE

◆ IMPELLER_EXPORT

◆ IMPELLER_EXPORT_DECORATION

◆ IMPELLER_EXTERN_C

--------------------------------------------------------------------------—

----— |_| -----—

◆ IMPELLER_EXTERN_C_BEGIN

◆ IMPELLER_EXTERN_C_END

◆ IMPELLER_INTERNAL_HANDLE_NAME

◆ IMPELLER_MAKE_VERSION

◆ IMPELLER_NODISCARD

◆ IMPELLER_NONNULL

◆ IMPELLER_NULLABLE

◆ IMPELLER_VERSION

◆ IMPELLER_VERSION_GET_MAJOR

◆ IMPELLER_VERSION_GET_MINOR

◆ IMPELLER_VERSION_GET_PATCH

◆ IMPELLER_VERSION_GET_VARIANT

◆ IMPELLER_VERSION_MAJOR

◆ IMPELLER_VERSION_MINOR

◆ IMPELLER_VERSION_PATCH

◆ IMPELLER_VERSION_VARIANT

Typedef Documentation

◆ ImpellerBlendMode

◆ ImpellerBlurStyle

◆ ImpellerCallback

◆ ImpellerClipOperation

◆ ImpellerColor

◆ ImpellerColorMatrix

◆ ImpellerColorSpace

◆ ImpellerContextVulkanInfo

◆ ImpellerContextVulkanSettings

◆ ImpellerDrawStyle

◆ ImpellerFillType

◆ ImpellerFontStyle

◆ ImpellerFontWeight

◆ ImpellerISize

◆ ImpellerMapping

◆ ImpellerMatrix

◆ ImpellerPixelFormat

◆ ImpellerPoint

◆ ImpellerProcAddressCallback

◆ ImpellerRange

◆ ImpellerRect

◆ ImpellerRoundingRadii

◆ ImpellerSize

◆ ImpellerStrokeCap

◆ ImpellerStrokeJoin

◆ ImpellerTextAlignment

◆ ImpellerTextDecoration

◆ ImpellerTextDecorationStyle

◆ ImpellerTextDecorationType

◆ ImpellerTextDirection

◆ ImpellerTextureDescriptor

◆ ImpellerTextureSampling

◆ ImpellerTileMode

◆ ImpellerVulkanProcAddressCallback

Enumeration Type Documentation

◆ ImpellerBlendMode

◆ ImpellerBlurStyle

◆ ImpellerClipOperation

◆ ImpellerColorSpace

◆ ImpellerDrawStyle

◆ ImpellerFillType

◆ ImpellerFontStyle

◆ ImpellerFontWeight

◆ ImpellerPixelFormat

◆ ImpellerStrokeCap

◆ ImpellerStrokeJoin

◆ ImpellerTextAlignment

◆ ImpellerTextDecorationStyle

◆ ImpellerTextDecorationType

◆ ImpellerTextDirection

◆ ImpellerTextureSampling