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
5 REG_FIDDLE(Canvas_drawImageRect_4, 256, 64, false, 0) {
draw(SkCanvas * canvas)6 void 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