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| 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 "SkDecodingImageGenerator.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 virtual SkString onShortName() SK_OVERRIDE { | |
| 57 return SkString("astcbitmap"); | |
| 58 } | |
| 59 | |
| 60 virtual SkISize onISize() SK_OVERRIDE { | |
| 61 return SkISize::Make(kGMDimension, kGMDimension); | |
| 62 } | |
| 63 | |
| 64 virtual void onDraw(SkCanvas* canvas) SK_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( | |
| 80 SkDecodingImageGenerator::Create( | |
| 81 fileData, SkDecodingImageGenerator::Options()), &bm)
) { | |
| 82 SkDebugf("Could not install discardable pixel ref.\n"); | |
| 83 return; | |
| 84 } | |
| 85 | |
| 86 const SkScalar bmX = static_cast<SkScalar>(i*kBitmapDimension); | |
| 87 const SkScalar bmY = static_cast<SkScalar>(j*kBitmapDimension); | |
| 88 canvas->drawBitmap(bm, bmX, bmY); | |
| 89 } | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 private: | |
| 94 static const int kGMDimension = 600; | |
| 95 static const int kBitmapDimension = kGMDimension/4; | |
| 96 | |
| 97 typedef GM INHERITED; | |
| 98 }; | |
| 99 | |
| 100 } // namespace skiagm | |
| 101 | |
| 102 ////////////////////////////////////////////////////////////////////////////// | |
| 103 | |
| 104 DEF_GM( return SkNEW(skiagm::ASTCBitmapGM); ) | |
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Chromium Code Reviews
Issue 447343002:
Revert of - Add astcbitmap to gm slides (Closed)
Base URL: https://skia.googlesource.com/skia.git@master