xref: /aosp_15_r20/external/skia/docs/examples/Bitmap_getGenerationID.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_getGenerationID, 256, 256, true, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     SkBitmap bitmap;
7     SkDebugf("empty id %u\n", bitmap.getGenerationID());
8     bitmap.allocPixels(SkImageInfo::MakeN32(64, 64, kOpaque_SkAlphaType));
9     SkDebugf("alloc id %u\n", bitmap.getGenerationID());
10     bitmap.eraseColor(SK_ColorRED);
11     SkDebugf("erase id %u\n", bitmap.getGenerationID());
12 }
13 }  // END FIDDLE
14