| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkImage_Base.h" |
| #include "SkImagePriv.h" |
| #include "SkBitmap.h" |
| #include "SkCanvas.h" |
| #include "SkSurface.h" |
| #include "GrContext.h" |
| #include "GrTexture.h" |
| |
| class SkImage_Gpu : public SkImage_Base { |
| public: |
| SK_DECLARE_INST_COUNT(SkImage_Gpu) |
| |
| SkImage_Gpu(const SkBitmap&, int sampleCountForNewSurfaces); |
| |
| void onDraw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const SK_OVERRIDE; |
| void onDrawRect(SkCanvas*, const SkRect* src, const SkRect& dst, |
| const SkPaint*) const SK_OVERRIDE; |
| SkSurface* onNewSurface(const SkImageInfo&, const SkSurfaceProps&) const SK_OVERRIDE; |
| GrTexture* onGetTexture() const SK_OVERRIDE; |
| bool getROPixels(SkBitmap*) const SK_OVERRIDE; |
| |
| GrTexture* getTexture() const { return fBitmap.getTexture(); } |
| |
| SkShader* onNewShader(SkShader::TileMode, |
| SkShader::TileMode, |
| const SkMatrix* localMatrix) const SK_OVERRIDE; |
| |
| bool isOpaque() const SK_OVERRIDE; |
| |
| private: |
| SkBitmap fBitmap; |
| const int fSampleCountForNewSurfaces; // 0 if we don't know |
| |
| typedef SkImage_Base INHERITED; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| SkImage_Gpu::SkImage_Gpu(const SkBitmap& bitmap, int sampleCountForNewSurfaces) |
| : INHERITED(bitmap.width(), bitmap.height(), NULL) |
| , fBitmap(bitmap) |
| , fSampleCountForNewSurfaces(sampleCountForNewSurfaces) |
| { |
| SkASSERT(fBitmap.getTexture()); |
| } |
| |
| SkShader* SkImage_Gpu::onNewShader(SkShader::TileMode tileX, |
| SkShader::TileMode tileY, |
| const SkMatrix* localMatrix) const |
| { |
| return SkShader::CreateBitmapShader(fBitmap, tileX, tileY, localMatrix); |
| } |
| |
| void SkImage_Gpu::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, const SkPaint* paint) const { |
| canvas->drawBitmap(fBitmap, x, y, paint); |
| } |
| |
| void SkImage_Gpu::onDrawRect(SkCanvas* canvas, const SkRect* src, const SkRect& dst, |
| const SkPaint* paint) const { |
| canvas->drawBitmapRectToRect(fBitmap, src, dst, paint); |
| } |
| |
| SkSurface* SkImage_Gpu::onNewSurface(const SkImageInfo& info, const SkSurfaceProps& props) const { |
| GrContext* ctx = this->getTexture()->getContext(); |
| return SkSurface::NewRenderTarget(ctx, info, fSampleCountForNewSurfaces, &props); |
| } |
| |
| GrTexture* SkImage_Gpu::onGetTexture() const { |
| return fBitmap.getTexture(); |
| } |
| |
| bool SkImage_Gpu::getROPixels(SkBitmap* dst) const { |
| return fBitmap.copyTo(dst, kN32_SkColorType); |
| } |
| |
| bool SkImage_Gpu::isOpaque() const { |
| return fBitmap.isOpaque(); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| SkImage* SkNewImageFromBitmapTexture(const SkBitmap& bitmap, int sampleCountForNewSurfaces) { |
| if (NULL == bitmap.getTexture()) { |
| return NULL; |
| } |
| return SkNEW_ARGS(SkImage_Gpu, (bitmap, sampleCountForNewSurfaces)); |
| } |
| |
| GrTexture* SkTextureImageGetTexture(SkImage* image) { |
| return ((SkImage_Gpu*)image)->getTexture(); |
| } |
| |