blob: 1123edaa63635a48615f0e37dfb88cef256b0778 [file] [log] [blame]
/*
* 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/DecodeUtils.h"
#include "tools/Resources.h"
DEF_SIMPLE_GM(srgb_colorfilter, canvas, 512, 256*3) {
auto img = ToolUtils::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();
SkSamplingOptions sampling;
SkPaint p;
p.setColorFilter(cf0);
canvas->drawImage(img, 0, 0);
canvas->drawImage(img, 256, 0, sampling, &p);
p.setColorFilter(cf1);
canvas->drawImage(img, 0, 256, sampling, &p);
p.setColorFilter(cf1->makeComposed(cf0));
canvas->drawImage(img, 256, 256, sampling, &p);
p.setColorFilter(cf2);
canvas->drawImage(img, 0, 512, sampling, &p);
p.setColorFilter(cf2->makeComposed(cf0));
canvas->drawImage(img, 256, 512, sampling, &p);
}