xref: /aosp_15_r20/external/skia/docs/examples/Region_quickReject.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_quickReject, 256, 256, true, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     SkRegion region({1, 2, 3, 4});
7     SkIRect test = {4, 2, 5, 3};
8     SkDebugf("quickReject 1: %s\n", region.quickReject(test) ? "true" : "false");
9     region.op({1, 4, 3, 6}, SkRegion::kUnion_Op);
10     SkDebugf("quickReject 2: %s\n", region.quickReject(test) ? "true" : "false");
11     region.op({4, 7, 5, 8}, SkRegion::kUnion_Op);
12     SkDebugf("quickReject 3: %s\n", region.quickReject(test) ? "true" : "false");
13 }
14 }  // END FIDDLE
15