1// Copyright 2019 Google LLC.
2// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3#include "tools/fiddle/examples.h"
4// HASH=d4b35a9d24c32c042bd1f529b8de3c0d
5REG_FIDDLE(Canvas_drawImageRect_4, 256, 64, false, 0) {
6void draw(SkCanvas* canvas) {
7    uint32_t pixels[][2] = { { SK_ColorBLACK, SK_ColorWHITE },
8                             { SK_ColorWHITE, SK_ColorBLACK } };
9    SkBitmap bitmap;
10    bitmap.installPixels(SkImageInfo::MakeN32Premul(2, 2),
11            (void*) pixels, sizeof(pixels[0]));
12    sk_sp<SkImage> image = bitmap.asImage();
13    SkPaint paint;
14    canvas->scale(4, 4);
15    for (auto alpha : { 50, 100, 150, 255 } ) {
16        paint.setAlpha(alpha);
17        canvas->drawImageRect(image, SkRect::MakeWH(2, 2), SkRect::MakeWH(8, 8),
18                              SkSamplingOptions(), &paint, SkCanvas::kStrict_SrcRectConstraint);
19        canvas->translate(8, 0);
20    }
21}
22}  // END FIDDLE
23