xref: /aosp_15_r20/external/skia/docs/examples/Region_Iterator_reset.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(Region_Iterator_reset, 256, 256, true, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     auto debugster = [](const char* label, SkRegion::Iterator& iter) -> void {
7         SkDebugf("%14s: done=%s\n", label, iter.done() ? "true" : "false");
8     };
9     SkRegion region;
10     SkRegion::Iterator iter(region);
11     debugster("empty region", iter);
12     region.setRect({1, 2, 3, 4});
13     debugster("after set rect", iter);
14     iter.reset(region);
15     debugster("after reset", iter);
16 }
17 }  // END FIDDLE
18