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 "SkCanvas.h" 10 #include "SkImageDecoder.h" 11 #include "SkOSFile.h" 12 13 namespace skiagm { 14 15 /** 16 * Test copying an image from 8888 to 4444. 17 */ 18 class CopyTo4444GM : public GM { 19 public: 20 CopyTo4444GM() {} 21 22 protected: 23 virtual SkString onShortName() { 24 return SkString("copyTo4444"); 25 } 26 27 virtual SkISize onISize() { 28 return make_isize(1024, 512); 29 } 30 31 virtual void onDraw(SkCanvas* canvas) { 32 SkBitmap bm, bm4444; 33 SkString filename = SkOSPath::SkPathJoin( 34 INHERITED::gResourcePath.c_str(), "mandrill_512.png"); 35 if (!SkImageDecoder::DecodeFile(filename.c_str(), &bm, 36 SkBitmap::kARGB_8888_Config, 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, SkBitmap::kARGB_4444_Config)); 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
