skia2/gm/srgb.cpp
Mike Klein ea3f014e2b sk_tool_utils -> ToolUtils, and git clang-format
sk_tool_utils doesn't really fit the naming convention
the rest of code under tools/ tends to use.

Change-Id: I45326a174101c6eb4b6149e9c742f658f2fd23b1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/202313
Auto-Submit: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2019-03-20 18:05:42 +00:00

43 lines
1.1 KiB
C++

/*
* 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 "Resources.h"
#include "SkCanvas.h"
#include "SkColorFilter.h"
#include "SkImage.h"
#include "ToolUtils.h"
#include "gm.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 = SkColorFilter::MakeMatrixFilterRowMajor255(array);
auto cf1 = SkColorFilter::MakeLinearToSRGBGamma();
auto cf2 = SkColorFilter::MakeSRGBToLinearGamma();
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);
}