29 lines
881 B
C++
29 lines
881 B
C++
/*
|
|
* 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);
|
|
}
|