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 #include "sk_tool_utils.h" 10 11 #include "Resources.h" 12 #include "SkCanvas.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: CopyTo4444GM()22 CopyTo4444GM() {} 23 24 protected: onShortName()25 virtual SkString onShortName() { 26 return SkString("copyTo4444"); 27 } 28 onISize()29 virtual SkISize onISize() { 30 return SkISize::Make(360, 180); 31 } 32 onDraw(SkCanvas * canvas)33 virtual void onDraw(SkCanvas* canvas) { 34 SkBitmap bm, bm4444; 35 if (!GetResourceAsBitmap("dog.jpg", &bm)) { 36 SkDebugf("Could not decode the file. Did you forget to set the " 37 "resourcePath?\n"); 38 return; 39 } 40 canvas->drawBitmap(bm, 0, 0); 41 42 // This should dither or we will see artifacts in the background of the image. 43 SkAssertResult(sk_tool_utils::copy_to(&bm4444, kARGB_4444_SkColorType, bm)); 44 canvas->drawBitmap(bm4444, SkIntToScalar(bm.width()), 0); 45 } 46 47 private: 48 typedef GM INHERITED; 49 }; 50 51 ////////////////////////////////////////////////////////////////////////////// 52 MyFactory(void *)53static GM* MyFactory(void*) { return new CopyTo4444GM; } 54 static GMRegistry reg(MyFactory); 55 56 } 57