xref: /aosp_15_r20/external/skia/docs/examples/Canvas_readPixels_2.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(Canvas_readPixels_2, 256, 256, true, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     canvas->clear(0x8055aaff);
7     uint32_t pixels[1] = { 0 };
8     SkPixmap pixmap(SkImageInfo::MakeN32Premul(1, 1), pixels, 4);
9     canvas->readPixels(pixmap, 0, 0);
10     SkDebugf("pixel = %08x\n", pixels[0]);
11 }
12 }  // END FIDDLE
13