aosp12/external/skia/docs/examples/upscale_checkerboard.cpp

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732 B
C++

// 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(upscale_checkerboard, 512, 512, false, 0) {
void draw(SkCanvas* canvas) {
SkPMColor p[] = {0xFFFFFFFF, 0xFF000000, 0xFF000000, 0xFFFFFFFF};
const auto info = SkImageInfo::MakeN32Premul(2, 2);
auto img = SkImage::MakeRasterCopy({info, p, 8});
SkPaint paint;
paint.setShader(img->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat,
SkSamplingOptions(SkFilterMode::kLinear)));
canvas->translate(20, 20);
canvas->scale(20, 20);
canvas->drawRect({0, 0, 20, 20}, paint);
}
} // END FIDDLE