xref: /aosp_15_r20/external/skia/docs/examples/Image_isAlphaOnly.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(Image_isAlphaOnly, 256, 256, true, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     uint8_t pmColors = 0;
7     sk_sp<SkImage> image =
8             SkImages::RasterFromPixmapCopy({SkImageInfo::MakeA8(1, 1), &pmColors, 1});
9     SkDebugf("alphaOnly = %s\n", image->isAlphaOnly() ? "true" : "false");
10 }
11 }  // END FIDDLE
12