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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.h"
| #include "sk_tool_utils.h"
| #include "SkCanvas.h"
| #include "SkImage.h"
| #include "Resources.h"
| #include "SkColorFilter.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);
| }
|
|
