typographer_context_skia.cc File Reference

#include "impeller/typographer/backends/skia/typographer_context_skia.h"
#include <cstddef>
#include <cstdint>
#include <memory>
#include <numeric>
#include <utility>
#include <vector>
#include "flutter/fml/logging.h"
#include "flutter/fml/trace_event.h"
#include "fml/closure.h"
#include "impeller/base/validation.h"
#include "impeller/core/allocator.h"
#include "impeller/core/buffer_view.h"
#include "impeller/core/formats.h"
#include "impeller/core/host_buffer.h"
#include "impeller/core/texture_descriptor.h"
#include "impeller/geometry/rect.h"
#include "impeller/geometry/size.h"
#include "impeller/renderer/command_buffer.h"
#include "impeller/renderer/render_pass.h"
#include "impeller/renderer/render_target.h"
#include "impeller/typographer/backends/skia/typeface_skia.h"
#include "impeller/typographer/font_glyph_pair.h"
#include "impeller/typographer/glyph.h"
#include "impeller/typographer/glyph_atlas.h"
#include "impeller/typographer/rectangle_packer.h"
#include "impeller/typographer/typographer_context.h"
#include "include/core/SkColor.h"
#include "include/core/SkImageInfo.h"
#include "include/core/SkPaint.h"
#include "include/core/SkSize.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkBlendMode.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkFont.h"
#include "third_party/skia/include/core/SkSurface.h"

Go to the source code of this file.

Namespaces
	impeller

Functions
static SkImageInfo	impeller::GetImageInfo (const GlyphAtlas &atlas, Size size)
static size_t	impeller::AppendToExistingAtlas (const std::shared_ptr< GlyphAtlas > &atlas, const std::vector< FontGlyphPair > &extra_pairs, std::vector< Rect > &glyph_positions, const std::vector< Rect > &glyph_sizes, ISize atlas_size, int64_t height_adjustment, const std::shared_ptr< RectanglePacker > &rect_packer)
static size_t	impeller::PairsFitInAtlasOfSize (const std::vector< FontGlyphPair > &pairs, const ISize &atlas_size, std::vector< Rect > &glyph_positions, const std::vector< Rect > &glyph_sizes, int64_t height_adjustment, const std::shared_ptr< RectanglePacker > &rect_packer, size_t start_index)
static ISize	impeller::ComputeNextAtlasSize (const std::shared_ptr< GlyphAtlasContext > &atlas_context, const std::vector< FontGlyphPair > &extra_pairs, std::vector< Rect > &glyph_positions, const std::vector< Rect > &glyph_sizes, size_t glyph_index_start, int64_t max_texture_height)
static Point	impeller::SubpixelPositionToPoint (SubpixelPosition pos)
static void	impeller::DrawGlyph (SkCanvas *canvas, const SkPoint position, const ScaledFont &scaled_font, const SubpixelGlyph &glyph, const Rect &scaled_bounds, const std::optional< GlyphProperties > &prop, bool has_color)
static bool	impeller::BulkUpdateAtlasBitmap (const GlyphAtlas &atlas, std::shared_ptr< BlitPass > &blit_pass, HostBuffer &host_buffer, const std::shared_ptr< Texture > &texture, const std::vector< FontGlyphPair > &new_pairs, size_t start_index, size_t end_index)
	Batch render to a single surface. More...
static bool	impeller::UpdateAtlasBitmap (const GlyphAtlas &atlas, std::shared_ptr< BlitPass > &blit_pass, HostBuffer &host_buffer, const std::shared_ptr< Texture > &texture, const std::vector< FontGlyphPair > &new_pairs, size_t start_index, size_t end_index)
static Rect	impeller::ComputeGlyphSize (const SkFont &font, const SubpixelGlyph &glyph, Scalar scale)

Variables
constexpr auto	impeller::kPadding = 2