blob: ab3813de2c1b3fba4a30066ba75f529b353a0892 [file] [log] [blame]
// Copyright 2020 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
REG_FIDDLE_SRGB(50_percent_srgb, 256, 256, false, 0, 0, false) {
static sk_sp<SkShader> make() {
auto surf = SkSurfaces::Raster(SkImageInfo::MakeN32Premul(2, 2));
surf->getCanvas()->drawColor(SK_ColorWHITE);
surf->getCanvas()->drawRect({0, 0, 1, 1}, SkPaint());
surf->getCanvas()->drawRect({1, 1, 2, 2}, SkPaint());
return surf->makeImageSnapshot()->makeShader(SkTileMode::kRepeat,
SkTileMode::kRepeat,
SkSamplingOptions(SkFilterMode::kLinear));
}
void draw(SkCanvas* canvas) {
canvas->drawColor(SK_ColorWHITE);
const SkRect r = { 0, 0, 100, 100 };
SkPaint p;
p.setShader(make());
// this is a dither
canvas->drawRect({0, 0, 50, 50}, p);
canvas->scale(0.5, 0.5);
canvas->translate(100, 0);
canvas->drawRect(r, p);
p.setShader(nullptr);
p.setColor(0xFF808080);
canvas->translate(100, 0);
canvas->drawRect(r, p);
p.setColor(0x80000000);
canvas->translate(100, 0);
canvas->drawRect(r, p);
}
} // END FIDDLE