xref: /aosp_15_r20/external/skia/docs/examples/Pixmap_erase_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(Pixmap_erase_2, 256, 50, false, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     uint32_t storage[2];
7     SkImageInfo info = SkImageInfo::MakeN32Premul(1, 2);
8     SkPixmap pixmap(info, storage, info.minRowBytes());
9     pixmap.erase(SK_ColorBLUE);
10     SkBitmap bitmap;
11     canvas->scale(20, 20);
12     bitmap.installPixels(pixmap);
13     canvas->drawImage(bitmap.asImage(), 0, 0);
14 }
15 }  // END FIDDLE
16