xref: /aosp_15_r20/external/skia/docs/examples/Bitmap_eraseARGB.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(Bitmap_eraseARGB, 256, 80, false, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     SkBitmap bitmap;
7     bitmap.allocPixels(SkImageInfo::MakeN32(1, 1, kPremul_SkAlphaType));
8     bitmap.eraseARGB(0x7f, 0xff, 0x7f, 0x3f);
9     canvas->scale(50, 50);
10     canvas->drawImage(bitmap.asImage(), 0, 0);
11     canvas->drawImage(bitmap.asImage(), .5f, .5f);
12 }
13 }  // END FIDDLE
14