| Hal Canary | 83c2f70 | 2019-03-07 14:53:03 -0500 | [diff] [blame] | 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 "fiddle/examples.h" |
| 4 | // HASH=32d51e959d6cc720a74ec4822511e2cd |
| 5 | REG_FIDDLE(Region_002, 256, 256, true, 0) { |
| 6 | void draw(SkCanvas* canvas) { |
| 7 | auto debugster = [](const char* label, SkRegion::Iterator& iter, bool addRewind) -> void { |
| 8 | if (addRewind) { |
| 9 | bool success = iter.rewind(); |
| 10 | SkDebugf("%14s rewind success=%s\n", label, success ? "true" : "false"); |
| 11 | } |
| 12 | auto r = iter.rect(); |
| 13 | SkDebugf("%14s rect={%d,%d,%d,%d}\n", label, r.fLeft, r.fTop, r.fRight, r.fBottom); |
| 14 | }; |
| 15 | SkRegion::Iterator iter; |
| 16 | debugster("empty iter", iter, true); |
| 17 | SkRegion region; |
| 18 | iter.reset(region); |
| 19 | debugster("empty region", iter, true); |
| 20 | region.setRect({1, 2, 3, 4}); |
| 21 | iter.reset(region); |
| 22 | debugster("after set rect", iter, false); |
| 23 | debugster("after rewind", iter, true); |
| 24 | } |
| 25 | } // END FIDDLE |