1 /* 2 * Copyright 2012 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 "SkData.h" 13 #include "SkDecodingImageGenerator.h" 14 #include "SkDiscardableMemoryPool.h" 15 #include "SkDiscardablePixelRef.h" 16 #include "SkImageDecoder.h" 17 #include "SkImageGeneratorPriv.h" 18 #include "SkOSFile.h" 19 #include "SkStream.h" 20 21 namespace skiagm { 22 23 /** 24 * Draw a PNG created by SkBitmapFactory. 25 */ 26 class FactoryGM : public GM { 27 public: FactoryGM()28 FactoryGM() {} 29 30 protected: onOnceBeforeDraw()31 virtual void onOnceBeforeDraw() SK_OVERRIDE { 32 // Copyright-free file from http://openclipart.org/detail/29213/paper-plane-by-ddoo 33 SkString pngFilename = GetResourcePath("plane.png"); 34 SkAutoDataUnref data(SkData::NewFromFileName(pngFilename.c_str())); 35 if (data.get()) { 36 // Create a cache which will boot the pixels out anytime the 37 // bitmap is unlocked. 38 SkAutoTUnref<SkDiscardableMemoryPool> pool( 39 SkDiscardableMemoryPool::Create(1)); 40 SkAssertResult(SkInstallDiscardablePixelRef( 41 SkDecodingImageGenerator::Create( 42 data, SkDecodingImageGenerator::Options()), 43 &fBitmap, pool)); 44 } 45 } 46 onShortName()47 virtual SkString onShortName() { 48 return SkString("factory"); 49 } 50 onISize()51 virtual SkISize onISize() { 52 return SkISize::Make(640, 480); 53 } 54 onDraw(SkCanvas * canvas)55 virtual void onDraw(SkCanvas* canvas) { 56 canvas->drawBitmap(fBitmap, 0, 0); 57 } 58 59 // Skip cross process pipe due to https://code.google.com/p/skia/issues/detail?id=1520 onGetFlags() const60 virtual uint32_t onGetFlags() const { 61 return INHERITED::onGetFlags() | kSkipPipeCrossProcess_Flag; 62 } 63 64 private: 65 SkBitmap fBitmap; 66 67 typedef GM INHERITED; 68 }; 69 70 ////////////////////////////////////////////////////////////////////////////// 71 MyFactory(void *)72static GM* MyFactory(void*) { return new FactoryGM; } 73 static GMRegistry reg(MyFactory); 74 75 } // namespace skiagm 76