Flutter Impeller
placeholder_filter_input.h
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// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_IMPELLER_ENTITY_CONTENTS_FILTERS_INPUTS_PLACEHOLDER_FILTER_INPUT_H_
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#define FLUTTER_IMPELLER_ENTITY_CONTENTS_FILTERS_INPUTS_PLACEHOLDER_FILTER_INPUT_H_
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#include "
impeller/entity/contents/filters/inputs/filter_input.h
"
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namespace
impeller
{
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class
PlaceholderFilterInput
final :
public
FilterInput
{
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public
:
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explicit
PlaceholderFilterInput
(
Rect
coverage);
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~PlaceholderFilterInput
()
override
;
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// |FilterInput|
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Variant
GetInput
()
const override
;
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// |FilterInput|
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std::optional<Snapshot>
GetSnapshot
(
const
std::string& label,
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const
ContentContext
& renderer,
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const
Entity
& entity,
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std::optional<Rect> coverage_limit,
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int32_t mip_count = 1)
const override
;
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// |FilterInput|
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std::optional<Rect>
GetCoverage
(
const
Entity
& entity)
const override
;
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// |FilterInput|
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void
PopulateGlyphAtlas
(
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const
std::shared_ptr<LazyGlyphAtlas>& lazy_glyph_atlas,
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Scalar
scale
)
override
;
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private
:
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Rect
coverage_rect_;
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friend
FilterInput
;
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};
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}
// namespace impeller
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#endif // FLUTTER_IMPELLER_ENTITY_CONTENTS_FILTERS_INPUTS_PLACEHOLDER_FILTER_INPUT_H_
impeller::PlaceholderFilterInput::PopulateGlyphAtlas
void PopulateGlyphAtlas(const std::shared_ptr< LazyGlyphAtlas > &lazy_glyph_atlas, Scalar scale) override
Definition:
placeholder_filter_input.cc:37
impeller::Scalar
float Scalar
Definition:
scalar.h:18
impeller::PlaceholderFilterInput::GetInput
Variant GetInput() const override
Definition:
placeholder_filter_input.cc:19
impeller::PlaceholderFilterInput::GetSnapshot
std::optional< Snapshot > GetSnapshot(const std::string &label, const ContentContext &renderer, const Entity &entity, std::optional< Rect > coverage_limit, int32_t mip_count=1) const override
Definition:
placeholder_filter_input.cc:23
impeller::PlaceholderFilterInput::PlaceholderFilterInput
PlaceholderFilterInput(Rect coverage)
Definition:
placeholder_filter_input.cc:14
impeller::Entity
Definition:
entity.h:21
impeller::PlaceholderFilterInput::GetCoverage
std::optional< Rect > GetCoverage(const Entity &entity) const override
Definition:
placeholder_filter_input.cc:32
impeller::FilterInput
Definition:
filter_input.h:30
impeller::PlaceholderFilterInput::~PlaceholderFilterInput
~PlaceholderFilterInput() override
impeller::FilterInput::Variant
std::variant< std::shared_ptr< FilterContents >, std::shared_ptr< Contents >, std::shared_ptr< Texture >, Rect > Variant
Definition:
filter_input.h:37
filter_input.h
scale
const Scalar scale
Definition:
stroke_path_geometry.cc:297
impeller
Definition:
aiks_blur_unittests.cc:20
impeller::ContentContext
Definition:
content_context.h:392
impeller::TRect< Scalar >
impeller::PlaceholderFilterInput
Definition:
placeholder_filter_input.h:12
impeller
entity
contents
filters
inputs
placeholder_filter_input.h
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