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_Spanerator_next, 256, 256, true, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6 auto debugster = [](const char* label, SkRegion& region) -> void {
7 SkRegion::Spanerator spanner(region, 3, 2, 4);
8 int left, right;
9 bool result = spanner.next(&left, &right);
10 SkDebugf("%14s: result=%s", label, result ? "true" : "false");
11 if (result) SkDebugf(" left=%d right=%d", left, right);
12 SkDebugf("\n");
13 };
14 SkRegion region;
15 debugster("empty region", region);
16 region.setRect({1, 2, 3, 4});
17 debugster("after set rect", region);
18 }
19 } // END FIDDLE
20