xref: /aosp_15_r20/external/skia/docs/examples/Bitmap_getAddr8.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_getAddr8, 256, 256, true, 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     const int width = 8;
8*c8dee2aaSAndroid Build Coastguard Worker     const int height = 8;
9*c8dee2aaSAndroid Build Coastguard Worker     uint8_t pixels[height][width];
10*c8dee2aaSAndroid Build Coastguard Worker     SkImageInfo info = SkImageInfo::Make(width, height, kGray_8_SkColorType, kOpaque_SkAlphaType);
11*c8dee2aaSAndroid Build Coastguard Worker     if (bitmap.installPixels(info, pixels, info.minRowBytes())) {
12*c8dee2aaSAndroid Build Coastguard Worker         SkDebugf("&pixels[4][2] %c= bitmap.getAddr8(2, 4)\n",
13*c8dee2aaSAndroid Build Coastguard Worker                   &pixels[4][2]  == bitmap.getAddr8(2, 4) ? '=' : '!');
14*c8dee2aaSAndroid Build Coastguard Worker     }
15*c8dee2aaSAndroid Build Coastguard Worker }
16*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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