bcbc1788b4
This idea emerged while doing https://codereview.chromium.org/321723002/
(commit 880914c35c).
BUG=None
TEST=make tests && out/Debug/tests
R=mtklein@google.com
Author: tfarina@chromium.org
Review URL: https://codereview.chromium.org/346453002
77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "Resources.h"
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#include "SkCanvas.h"
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#include "SkImageDecoder.h"
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#include "SkStream.h"
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namespace skiagm {
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/** Draw a CMYK encoded jpeg - libjpeg doesn't support CMYK->RGB
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conversion so this tests Skia's internal processing
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*/
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class CMYKJpegGM : public GM {
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public:
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CMYKJpegGM() {}
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protected:
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virtual void onOnceBeforeDraw() SK_OVERRIDE {
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// parameters to the "decode" call
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bool dither = false;
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SkString resourcePath = GetResourcePath();
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if (!resourcePath.endsWith("/") && !resourcePath.endsWith("\\")) {
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resourcePath.append("/");
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}
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resourcePath.append("CMYK.jpg");
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SkFILEStream stream(resourcePath.c_str());
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if (!stream.isValid()) {
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SkDebugf("Could not find CMYK.jpg, please set --resourcePath correctly.\n");
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return;
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}
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SkImageDecoder* codec = SkImageDecoder::Factory(&stream);
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if (codec) {
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stream.rewind();
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codec->setDitherImage(dither);
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codec->decode(&stream, &fBitmap, kN32_SkColorType, SkImageDecoder::kDecodePixels_Mode);
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SkDELETE(codec);
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}
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}
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virtual SkString onShortName() {
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return SkString("cmykjpeg");
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}
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virtual SkISize onISize() {
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return SkISize::Make(640, 480);
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}
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virtual void onDraw(SkCanvas* canvas) {
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canvas->translate(20*SK_Scalar1, 20*SK_Scalar1);
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canvas->drawBitmap(fBitmap, 0, 0);
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}
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private:
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SkBitmap fBitmap;
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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static GM* MyFactory(void*) { return new CMYKJpegGM; }
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static GMRegistry reg(MyFactory);
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}
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