xref: /aosp_15_r20/external/skia/docs/examples/Bitmap_setPixelRef.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_setPixelRef, 256, 140, false, 5) {
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.setInfo(SkImageInfo::Make(source.width() - 5, source.height() - 5,
8 *c8dee2aaSAndroid Build Coastguard Worker                    kGray_8_SkColorType, kOpaque_SkAlphaType), source.rowBytes());
9 *c8dee2aaSAndroid Build Coastguard Worker     bitmap.setPixelRef(sk_ref_sp(source.pixelRef()), 5, 5);
10 *c8dee2aaSAndroid Build Coastguard Worker     canvas->drawImage(bitmap.asImage(), 10, 10);
11 *c8dee2aaSAndroid Build Coastguard Worker }
12 *c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
13