xref: /third_party/skia/docs/examples/Canvas_drawImageRect_5.cpp (revision cb93a386)
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1cb93a386Sopenharmony_ci// Copyright 2019 Google LLC.
2cb93a386Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3cb93a386Sopenharmony_ci#include "tools/fiddle/examples.h"
4cb93a386Sopenharmony_ci// HASH=d307e7e1237f39fb54d80723e5449857
5cb93a386Sopenharmony_ciREG_FIDDLE(Canvas_drawImageRect_5, 256, 64, false, 0) {
6cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
7cb93a386Sopenharmony_ci    uint32_t pixels[][2] = { { 0x00000000, 0x55555555},
8cb93a386Sopenharmony_ci                             { 0xAAAAAAAA, 0xFFFFFFFF} };
9cb93a386Sopenharmony_ci    SkBitmap bitmap;
10cb93a386Sopenharmony_ci    bitmap.installPixels(SkImageInfo::MakeN32Premul(2, 2),
11cb93a386Sopenharmony_ci            (void*) pixels, sizeof(pixels[0]));
12cb93a386Sopenharmony_ci    sk_sp<SkImage> image = bitmap.asImage();
13cb93a386Sopenharmony_ci    SkPaint paint;
14cb93a386Sopenharmony_ci    canvas->scale(4, 4);
15cb93a386Sopenharmony_ci    for (auto color : { SK_ColorRED, SK_ColorBLUE, SK_ColorGREEN } ) {
16cb93a386Sopenharmony_ci        paint.setColorFilter(SkColorFilters::Blend(color, SkBlendMode::kPlus));
17cb93a386Sopenharmony_ci        canvas->drawImageRect(image, SkRect::MakeWH(2, 2), SkRect::MakeWH(8, 8),
18cb93a386Sopenharmony_ci                              SkSamplingOptions(), &paint, SkCanvas::kStrict_SrcRectConstraint);
19cb93a386Sopenharmony_ci        canvas->translate(8, 0);
20cb93a386Sopenharmony_ci    }
21cb93a386Sopenharmony_ci}
22cb93a386Sopenharmony_ci}  // END FIDDLE
23

Indexes created Thu Nov 07 10:32:03 CST 2024