xref: /aosp_15_r20/external/skia/docs/examples/Pixmap_const_SkImageInfo_const_star.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(Pixmap_const_SkImageInfo_const_star, 256, 256, true, 3) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     SkDebugf("image alpha only = %s\n", image->isAlphaOnly() ? "true" : "false");
7     SkPMColor pmColors = 0;
8     sk_sp<SkImage> copy =
9             SkImages::RasterFromPixmapCopy({SkImageInfo::MakeA8(1, 1), (uint8_t*)&pmColors, 1});
10     SkDebugf("copy alpha only = %s\n", copy->isAlphaOnly() ? "true" : "false");
11 }
12 }  // END FIDDLE
13