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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Checkerboard.h"
#include "SkCanvas.h"
#include "SkShader.h"
SkShader* sk_tools::CreateCheckerboardShader(
SkColor c1, SkColor c2, int size) {
SkBitmap bm;
bm.allocN32Pixels(2 * size, 2 * size);
bm.eraseColor(c1);
bm.eraseArea(SkIRect::MakeLTRB(0, 0, size, size), c2);
bm.eraseArea(SkIRect::MakeLTRB(size, size, 2 * size, 2 * size), c2);
return SkShader::CreateBitmapShader(
bm, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode);
}
void sk_tools::DrawCheckerboard(SkCanvas* canvas,
SkColor c1, SkColor c2, int size) {
SkPaint paint;
paint.setShader(CreateCheckerboardShader(c1, c2, size))->unref();
canvas->drawPaint(paint);
}
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