| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include <memory> |
| #include <optional> |
| |
| #include "impeller/entity/contents/filters/color_filter_contents.h" |
| #include "impeller/entity/contents/filters/inputs/filter_input.h" |
| |
| namespace impeller { |
| |
| // Look at example at: https://github.com/flutter/impeller/pull/132 |
| |
| class ColorMatrixFilterContents final : public ColorFilterContents { |
| public: |
| ColorMatrixFilterContents(); |
| |
| ~ColorMatrixFilterContents() override; |
| |
| void SetMatrix(const ColorMatrix& matrix); |
| |
| private: |
| // |FilterContents| |
| std::optional<Entity> RenderFilter( |
| const FilterInput::Vector& input_textures, |
| const ContentContext& renderer, |
| const Entity& entity, |
| const Matrix& effect_transform, |
| const Rect& coverage, |
| const std::optional<Rect>& coverage_hint) const override; |
| |
| ColorMatrix matrix_; |
| |
| ColorMatrixFilterContents(const ColorMatrixFilterContents&) = delete; |
| |
| ColorMatrixFilterContents& operator=(const ColorMatrixFilterContents&) = |
| delete; |
| }; |
| |
| } // namespace impeller |