| /* |
| * Copyright 2018 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkSGColorFilter_DEFINED |
| #define SkSGColorFilter_DEFINED |
| |
| #include "SkSGEffectNode.h" |
| |
| #include "SkBlendMode.h" |
| |
| class SkColorFilter; |
| |
| namespace sksg { |
| |
| class Color; |
| |
| /** |
| * Base class for nodes which apply a color filter when rendering their descendants. |
| * |
| */ |
| class ColorFilter : public EffectNode { |
| protected: |
| explicit ColorFilter(sk_sp<RenderNode>); |
| |
| void onRender(SkCanvas*) const final; |
| |
| sk_sp<SkColorFilter> fColorFilter; |
| |
| private: |
| typedef EffectNode INHERITED; |
| }; |
| |
| /** |
| * Concrete SkModeColorFilter Effect node. |
| * |
| */ |
| class ColorModeFilter final : public ColorFilter { |
| public: |
| ~ColorModeFilter() override; |
| |
| static sk_sp<ColorModeFilter> Make(sk_sp<RenderNode> child, sk_sp<Color> color, |
| SkBlendMode mode) { |
| return (child && color) |
| ? sk_sp<ColorModeFilter>(new ColorModeFilter(std::move(child), std::move(color), mode)) |
| : nullptr; |
| } |
| |
| SG_ATTRIBUTE(Mode , SkBlendMode, fMode ) |
| |
| protected: |
| SkRect onRevalidate(InvalidationController*, const SkMatrix&) override; |
| |
| private: |
| ColorModeFilter(sk_sp<RenderNode>, sk_sp<Color>, SkBlendMode); |
| |
| sk_sp<Color> fColor; |
| SkBlendMode fMode; |
| |
| typedef ColorFilter INHERITED; |
| }; |
| |
| } // namespace sksg |
| |
| #endif // SkSGColorFilter_DEFINED |