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Diffstat (limited to 'skia/include/SkShaderExtras.h')
-rw-r--r-- | skia/include/SkShaderExtras.h | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/skia/include/SkShaderExtras.h b/skia/include/SkShaderExtras.h deleted file mode 100644 index 765f411..0000000 --- a/skia/include/SkShaderExtras.h +++ /dev/null @@ -1,66 +0,0 @@ -/* - * Copyright (C) 2006 The Android Open Source Project - * - * 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 SkShaderExtras_DEFINED -#define SkShaderExtras_DEFINED - -#include "SkShader.h" - -class SkXfermode; - -/////////////////////////////////////////////////////////////////////////////////////////// - -/** \class SkComposeShader - This subclass of shader returns the coposition of two other shaders, combined by - a xfermode. -*/ -class SkComposeShader : public SkShader { -public: - /** Create a new compose shader, given shaders A, B, and a combining xfermode mode. - When the xfermode is called, it will be given the result from shader A as its - "dst", and the result of from shader B as its "src". - mode->xfer32(sA_result, sB_result, ...) - @param shaderA The colors from this shader are seen as the "dst" by the xfermode - @param shaderB The colors from this shader are seen as the "src" by the xfermode - @param mode The xfermode that combines the colors from the two shaders. If mode - is null, then SRC_OVER is assumed. - */ - SkComposeShader(SkShader* sA, SkShader* sB, SkXfermode* mode = NULL); - virtual ~SkComposeShader(); - - // override - virtual bool setContext(const SkBitmap& device, const SkPaint& paint, const SkMatrix& matrix); - virtual void shadeSpan(int x, int y, SkPMColor result[], int count); - virtual void beginSession(); - virtual void endSession(); - -protected: - SkComposeShader(SkFlattenableReadBuffer& ); - virtual void flatten(SkFlattenableWriteBuffer& ); - virtual Factory getFactory() { return CreateProc; } - -private: - static SkFlattenable* CreateProc(SkFlattenableReadBuffer& buffer) { - return SkNEW_ARGS(SkComposeShader, (buffer)); } - - SkShader* fShaderA; - SkShader* fShaderB; - SkXfermode* fMode; - - typedef SkShader INHERITED; -}; - -#endif |