OLD | NEW |
(Empty) | |
| 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 "SkImageDecoder.h" |
| 13 #include "SkStream.h" |
| 14 |
| 15 namespace skiagm { |
| 16 |
| 17 /** Draw a CMYK encoded jpeg - libjpeg doesn't support CMYK->RGB |
| 18 conversion so this tests Skia's internal processing |
| 19 */ |
| 20 class CMYKJpegGM : public GM { |
| 21 public: |
| 22 CMYKJpegGM() {} |
| 23 |
| 24 protected: |
| 25 void onOnceBeforeDraw() override { |
| 26 // parameters to the "decode" call |
| 27 bool dither = false; |
| 28 |
| 29 SkString jpgFilename = GetResourcePath("CMYK.jpg"); |
| 30 SkFILEStream stream(jpgFilename.c_str()); |
| 31 if (!stream.isValid()) { |
| 32 SkDebugf("Could not find CMYK.jpg, please set --resourcePath correct
ly.\n"); |
| 33 return; |
| 34 } |
| 35 |
| 36 SkImageDecoder* codec = SkImageDecoder::Factory(&stream); |
| 37 if (codec) { |
| 38 stream.rewind(); |
| 39 codec->setDitherImage(dither); |
| 40 codec->decode(&stream, &fBitmap, kN32_SkColorType, SkImageDecoder::k
DecodePixels_Mode); |
| 41 delete codec; |
| 42 } |
| 43 } |
| 44 |
| 45 virtual SkString onShortName() override { |
| 46 return SkString("cmykjpeg"); |
| 47 } |
| 48 |
| 49 virtual SkISize onISize() override { |
| 50 return SkISize::Make(640, 480); |
| 51 } |
| 52 |
| 53 virtual void onDraw(SkCanvas* canvas) override { |
| 54 |
| 55 canvas->translate(20*SK_Scalar1, 20*SK_Scalar1); |
| 56 canvas->drawBitmap(fBitmap, 0, 0); |
| 57 } |
| 58 |
| 59 private: |
| 60 SkBitmap fBitmap; |
| 61 |
| 62 typedef GM INHERITED; |
| 63 }; |
| 64 |
| 65 ////////////////////////////////////////////////////////////////////////////// |
| 66 |
| 67 static GM* MyFactory(void*) { return new CMYKJpegGM; } |
| 68 static GMRegistry reg(MyFactory); |
| 69 |
| 70 } |
OLD | NEW |