1 /* 2 * Copyright 2014 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 "SkImageGenerator.h" 14 #include "SkImageDecoder.h" 15 #include "SkOSFile.h" 16 #include "SkTextureCompressor.h" 17 18 static const char *kASTCFilenames[] = { 19 "mandrill_128x128_4x4.astc", // kASTC_4x4_Format 20 "mandrill_130x128_5x4.astc", // kASTC_5x4_Format 21 "mandrill_130x130_5x5.astc", // kASTC_5x5_Format 22 "mandrill_132x130_6x5.astc", // kASTC_6x5_Format 23 "mandrill_132x132_6x6.astc", // kASTC_6x6_Format 24 "mandrill_128x130_8x5.astc", // kASTC_8x5_Format 25 "mandrill_128x132_8x6.astc", // kASTC_8x6_Format 26 "mandrill_128x128_8x8.astc", // kASTC_8x8_Format 27 "mandrill_130x130_10x5.astc", // kASTC_10x5_Format 28 "mandrill_130x132_10x6.astc", // kASTC_10x6_Format 29 "mandrill_130x128_10x8.astc", // kASTC_10x8_Format 30 "mandrill_130x130_10x10.astc", // kASTC_10x10_Format 31 "mandrill_132x130_12x10.astc", // kASTC_12x10_Format 32 "mandrill_132x132_12x12.astc", // kASTC_12x12_Format 33 }; 34 35 static const int kNumASTCFilenames = SK_ARRAY_COUNT(kASTCFilenames); 36 37 static inline const char *get_astc_filename(int idx) { 38 if (idx < 0 || kNumASTCFilenames <= idx) { 39 return ""; 40 } 41 42 return kASTCFilenames[idx]; 43 } 44 45 namespace skiagm { 46 47 /** 48 * Test decoding an image from an ASTC file and then from compressed ASTC data. 49 */ 50 class ASTCBitmapGM : public GM { 51 public: 52 ASTCBitmapGM() { } 53 virtual ~ASTCBitmapGM() { } 54 55 protected: 56 SkString onShortName() override { 57 return SkString("astcbitmap"); 58 } 59 60 SkISize onISize() override { 61 return SkISize::Make(kGMDimension, kGMDimension); 62 } 63 64 void onDraw(SkCanvas* canvas) override { 65 for (int j = 0; j < 4; ++j) { 66 for (int i = 0; i < 4; ++i) { 67 SkString filename = GetResourcePath(get_astc_filename(j*4+i)); 68 if (filename == GetResourcePath("")) { 69 continue; 70 } 71 72 SkAutoTUnref<SkData> fileData(SkData::NewFromFileName(filename.c_str())); 73 if (NULL == fileData) { 74 SkDebugf("Could not open the file. Did you forget to set the resourcePath?\n"); 75 return; 76 } 77 78 SkBitmap bm; 79 if (!SkInstallDiscardablePixelRef(fileData, &bm)) { 80 SkDebugf("Could not install discardable pixel ref.\n"); 81 return; 82 } 83 84 const SkScalar bmX = static_cast<SkScalar>(i*kBitmapDimension); 85 const SkScalar bmY = static_cast<SkScalar>(j*kBitmapDimension); 86 canvas->drawBitmap(bm, bmX, bmY); 87 } 88 } 89 } 90 91 private: 92 static const int kGMDimension = 600; 93 static const int kBitmapDimension = kGMDimension/4; 94 95 typedef GM INHERITED; 96 }; 97 98 } // namespace skiagm 99 100 ////////////////////////////////////////////////////////////////////////////// 101 102 DEF_GM( return SkNEW(skiagm::ASTCBitmapGM); ) 103