xref: /aosp_15_r20/external/skia/docs/examples/Bitmap_eraseARGB.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2019 Google LLC.
2*c8dee2aaSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fiddle/examples.h"
4*c8dee2aaSAndroid Build Coastguard Worker REG_FIDDLE(Bitmap_eraseARGB, 256, 80, false, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker     SkBitmap bitmap;
7*c8dee2aaSAndroid Build Coastguard Worker     bitmap.allocPixels(SkImageInfo::MakeN32(1, 1, kPremul_SkAlphaType));
8*c8dee2aaSAndroid Build Coastguard Worker     bitmap.eraseARGB(0x7f, 0xff, 0x7f, 0x3f);
9*c8dee2aaSAndroid Build Coastguard Worker     canvas->scale(50, 50);
10*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawImage(bitmap.asImage(), 0, 0);
11*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawImage(bitmap.asImage(), .5f, .5f);
12*c8dee2aaSAndroid Build Coastguard Worker }
13*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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