Flutter Impeller
color_matrix_filter_contents.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef FLUTTER_IMPELLER_ENTITY_CONTENTS_FILTERS_COLOR_MATRIX_FILTER_CONTENTS_H_
6 #define FLUTTER_IMPELLER_ENTITY_CONTENTS_FILTERS_COLOR_MATRIX_FILTER_CONTENTS_H_
7 
8 #include <memory>
9 #include <optional>
10 
13 
14 namespace impeller {
15 
16 // Look at example at: https://github.com/flutter/impeller/pull/132
17 
19  public:
21 
22  ~ColorMatrixFilterContents() override;
23 
24  void SetMatrix(const ColorMatrix& matrix);
25 
26  private:
27  // |FilterContents|
28  std::optional<Entity> RenderFilter(
29  const FilterInput::Vector& input_textures,
30  const ContentContext& renderer,
31  const Entity& entity,
32  const Matrix& effect_transform,
33  const Rect& coverage,
34  const std::optional<Rect>& coverage_hint) const override;
35 
36  ColorMatrix matrix_;
37 
39 
41  delete;
42 };
43 
44 } // namespace impeller
45 
46 #endif // FLUTTER_IMPELLER_ENTITY_CONTENTS_FILTERS_COLOR_MATRIX_FILTER_CONTENTS_H_
impeller::ColorFilterContents
Definition: color_filter_contents.h:12
impeller::ColorMatrixFilterContents::~ColorMatrixFilterContents
~ColorMatrixFilterContents() override
impeller::ColorMatrixFilterContents::SetMatrix
void SetMatrix(const ColorMatrix &matrix)
Definition: color_matrix_filter_contents.cc:24
impeller::Entity
Definition: entity.h:21
impeller::ColorMatrixFilterContents::ColorMatrixFilterContents
ColorMatrixFilterContents()
impeller::ColorMatrixFilterContents
Definition: color_matrix_filter_contents.h:18
filter_input.h
color_filter_contents.h
impeller::FilterInput::Vector
std::vector< FilterInput::Ref > Vector
Definition: filter_input.h:33
impeller::ColorMatrix
Definition: color.h:117
impeller
Definition: aiks_blur_unittests.cc:20
impeller::ContentContext
Definition: content_context.h:392
impeller::TRect< Scalar >
impeller::Matrix
A 4x4 matrix using column-major storage.
Definition: matrix.h:37