| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "gm.h" |
| #include "SkCanvas.h" |
| #include "SkImageDecoder.h" |
| #include "SkOSFile.h" |
| |
| namespace skiagm { |
| |
| /** |
| * Test copying an image from 8888 to 4444. |
| */ |
| class CopyTo4444GM : public GM { |
| public: |
| CopyTo4444GM() {} |
| |
| protected: |
| virtual SkString onShortName() { |
| return SkString("copyTo4444"); |
| } |
| |
| virtual SkISize onISize() { |
| return SkISize::Make(1024, 512); |
| } |
| |
| virtual void onDraw(SkCanvas* canvas) { |
| SkBitmap bm, bm4444; |
| SkString filename = SkOSPath::SkPathJoin(INHERITED::gResourcePath, "mandrill_512.png"); |
| if (!SkImageDecoder::DecodeFile(filename.c_str(), &bm, kN32_SkColorType, |
| SkImageDecoder::kDecodePixels_Mode)) { |
| SkDebugf("Could not decode the file. Did you forget to set the " |
| "resourcePath?\n"); |
| return; |
| } |
| canvas->drawBitmap(bm, 0, 0); |
| SkAssertResult(bm.copyTo(&bm4444, kARGB_4444_SkColorType)); |
| canvas->drawBitmap(bm4444, SkIntToScalar(bm.width()), 0); |
| } |
| |
| private: |
| typedef GM INHERITED; |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| static GM* MyFactory(void*) { return new CopyTo4444GM; } |
| static GMRegistry reg(MyFactory); |
| |
| } |