| // 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. |
| |
| #ifndef FLUTTER_IMPELLER_ENTITY_CONTENTS_FRAMEBUFFER_BLEND_CONTENTS_H_ |
| #define FLUTTER_IMPELLER_ENTITY_CONTENTS_FRAMEBUFFER_BLEND_CONTENTS_H_ |
| |
| #include <memory> |
| |
| #include "impeller/entity/contents/color_source_contents.h" |
| #include "impeller/entity/entity.h" |
| |
| namespace impeller { |
| |
| enum class BlendSelectValues { |
| kScreen = 0, |
| kOverlay, |
| kDarken, |
| kLighten, |
| kColorDodge, |
| kColorBurn, |
| kHardLight, |
| kSoftLight, |
| kDifference, |
| kExclusion, |
| kMultiply, |
| kHue, |
| kSaturation, |
| kColor, |
| kLuminosity, |
| }; |
| |
| class FramebufferBlendContents final : public ColorSourceContents { |
| public: |
| FramebufferBlendContents(); |
| |
| ~FramebufferBlendContents() override; |
| |
| void SetBlendMode(BlendMode blend_mode); |
| |
| void SetChildContents(std::shared_ptr<Contents> child_contents); |
| |
| private: |
| // |Contents| |
| std::optional<Rect> GetCoverage(const Entity& entity) const override; |
| |
| // |Contents| |
| bool Render(const ContentContext& renderer, |
| const Entity& entity, |
| RenderPass& pass) const override; |
| |
| BlendMode blend_mode_; |
| std::shared_ptr<Contents> child_contents_; |
| |
| FramebufferBlendContents(const FramebufferBlendContents&) = delete; |
| |
| FramebufferBlendContents& operator=(const FramebufferBlendContents&) = delete; |
| }; |
| |
| } // namespace impeller |
| |
| #endif // FLUTTER_IMPELLER_ENTITY_CONTENTS_FRAMEBUFFER_BLEND_CONTENTS_H_ |