xref: /aosp_15_r20/external/skia/docs/examples/Region_quickReject.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2019 Google LLC.
2*c8dee2aaSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fiddle/examples.h"
4*c8dee2aaSAndroid Build Coastguard Worker REG_FIDDLE(Region_quickReject, 256, 256, true, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker     SkRegion region({1, 2, 3, 4});
7*c8dee2aaSAndroid Build Coastguard Worker     SkIRect test = {4, 2, 5, 3};
8*c8dee2aaSAndroid Build Coastguard Worker     SkDebugf("quickReject 1: %s\n", region.quickReject(test) ? "true" : "false");
9*c8dee2aaSAndroid Build Coastguard Worker     region.op({1, 4, 3, 6}, SkRegion::kUnion_Op);
10*c8dee2aaSAndroid Build Coastguard Worker     SkDebugf("quickReject 2: %s\n", region.quickReject(test) ? "true" : "false");
11*c8dee2aaSAndroid Build Coastguard Worker     region.op({4, 7, 5, 8}, SkRegion::kUnion_Op);
12*c8dee2aaSAndroid Build Coastguard Worker     SkDebugf("quickReject 3: %s\n", region.quickReject(test) ? "true" : "false");
13*c8dee2aaSAndroid Build Coastguard Worker }
14*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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