| /* include/graphics/SkTransparentShader.h |
| ** |
| ** Copyright 2006, Google Inc. |
| ** |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| */ |
| |
| #ifndef SkTransparentShader_DEFINED |
| #define SkTransparentShader_DEFINED |
| |
| #include "SkShader.h" |
| |
| class SkTransparentShader : public SkShader { |
| public: |
| virtual uint32_t getFlags(); |
| virtual bool setContext( const SkBitmap& device, |
| const SkPaint& paint, |
| const SkMatrix& matrix); |
| virtual void shadeSpan(int x, int y, SkPMColor[], int count); |
| virtual void shadeSpan16(int x, int y, uint16_t span[], int count); |
| |
| private: |
| SkBitmap fDevice; |
| uint8_t fAlpha; |
| |
| typedef SkShader INHERITED; |
| }; |
| |
| #endif |
| |