1 /* 2 * Copyright 2013 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "gm.h" 9 10 #include "Resources.h" 11 #include "SkCanvas.h" 12 #include "SkImageDecoder.h" 13 #include "SkOSFile.h" 14 15 namespace skiagm { 16 17 /** 18 * Test copying an image from 8888 to 4444. 19 */ 20 class CopyTo4444GM : public GM { 21 public: 22 CopyTo4444GM() {} 23 24 protected: 25 virtual SkString onShortName() { 26 return SkString("copyTo4444"); 27 } 28 29 virtual SkISize onISize() { 30 return SkISize::Make(1024, 512); 31 } 32 33 virtual void onDraw(SkCanvas* canvas) { 34 SkBitmap bm, bm4444; 35 SkString pngFilename = GetResourcePath("mandrill_512.png"); 36 if (!SkImageDecoder::DecodeFile(pngFilename.c_str(), &bm, kN32_SkColorType, 37 SkImageDecoder::kDecodePixels_Mode)) { 38 SkDebugf("Could not decode the file. Did you forget to set the " 39 "resourcePath?\n"); 40 return; 41 } 42 canvas->drawBitmap(bm, 0, 0); 43 SkAssertResult(bm.copyTo(&bm4444, kARGB_4444_SkColorType)); 44 canvas->drawBitmap(bm4444, SkIntToScalar(bm.width()), 0); 45 } 46 47 private: 48 typedef GM INHERITED; 49 }; 50 51 ////////////////////////////////////////////////////////////////////////////// 52 53 static GM* MyFactory(void*) { return new CopyTo4444GM; } 54 static GMRegistry reg(MyFactory); 55 56 } 57
