xref: /aosp_15_r20/external/skia/docs/examples/Region_notequal1_operator.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_notequal1_operator, 256, 256, true, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     auto debugster = [](const char* prefix, const SkRegion& a, const SkRegion& b) -> void {
7                 SkDebugf("%s one %c= two\n", prefix, a != b ? '!' : '=');
8     };
9     SkRegion one;
10     SkRegion two;
11     debugster("empty", one, two);
12     one.setRect({1, 2, 3, 4});
13     two.setRect({1, 2, 3, 3});
14     debugster("set rect", one, two);
15     two.op({1, 3, 3, 4}, SkRegion::kUnion_Op);
16     debugster("union rect", one, two);
17 }
18 }  // END FIDDLE
19