xref: /aosp_15_r20/external/skia/docs/examples/Bitmap_isNull.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_isNull, 256, 256, true, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     SkBitmap bitmap;
7     SkDebugf("empty bitmap does %shave pixels\n", bitmap.isNull() ? "not " : "");
8     bitmap.setInfo(SkImageInfo::MakeA8(8, 8));
9     SkDebugf("bitmap with dimensions does %shave pixels\n", bitmap.isNull() ? "not " : "");
10     bitmap.allocPixels();
11     SkDebugf("allocated bitmap does %shave pixels\n", bitmap.isNull() ? "not " : "");
12 }
13 }  // END FIDDLE
14