xref: /aosp_15_r20/external/skia/docs/examples/Canvas_drawBitmapRect_2.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
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 REG_FIDDLE(Canvas_drawBitmapRect_2, 256, 64, false, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     uint8_t pixels[][8] = { { 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00},
7                             { 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00},
8                             { 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF},
9                             { 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF},
10                             { 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF},
11                             { 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF},
12                             { 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00},
13                             { 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00} };
14     SkBitmap bitmap;
15     bitmap.installPixels(SkImageInfo::MakeA8(8, 8),
16             (void*) pixels, sizeof(pixels[0]));
17     SkPaint paint;
18     for (auto color : { SK_ColorRED, SK_ColorBLUE, 0xFF007F00, 0xFF7f007f} ) {
19         paint.setColor(color);
20         canvas->drawImageRect(bitmap.asImage().get(),
21                               SkRect::MakeWH(8, 8), SkRect::MakeWH(32, 32),
22                               SkSamplingOptions({1.0f/3, 1.0f/3}), &paint,
23                               SkCanvas::kStrict_SrcRectConstraint);
24         canvas->translate(48.25f, 0);
25     }
26 }
27 }  // END FIDDLE
28