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- /*
- * Copyright 2017 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "gm/gm.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkColorFilter.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkRefCnt.h"
- #include "tools/Resources.h"
- DEF_SIMPLE_GM(srgb_colorfilter, canvas, 512, 256*3) {
- auto img = GetResourceAsImage("images/mandrill_256.png");
- const float array[] = {
- 1, 0, 0, 0, 0,
- 0, 1, 0, 0, 0,
- 0, 0, 1, 0, 0,
- -1, 0, 0, 1, 0,
- };
- auto cf0 = SkColorFilters::Matrix(array);
- auto cf1 = SkColorFilters::LinearToSRGBGamma();
- auto cf2 = SkColorFilters::SRGBToLinearGamma();
- SkPaint p;
- p.setColorFilter(cf0);
- canvas->drawImage(img, 0, 0, nullptr);
- canvas->drawImage(img, 256, 0, &p);
- p.setColorFilter(cf1);
- canvas->drawImage(img, 0, 256, &p);
- p.setColorFilter(cf1->makeComposed(cf0));
- canvas->drawImage(img, 256, 256, &p);
- p.setColorFilter(cf2);
- canvas->drawImage(img, 0, 512, &p);
- p.setColorFilter(cf2->makeComposed(cf0));
- canvas->drawImage(img, 256, 512, &p);
- }
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