xref: /aosp_15_r20/external/skia/docs/examples/Region_setRects.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_setRects, 256, 70, false, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker     SkIRect rects[] = { {10, 10, 40, 40}, {20, 20, 50, 50}, {30, 30, 60, 60} };
7*c8dee2aaSAndroid Build Coastguard Worker     SkRegion region;
8*c8dee2aaSAndroid Build Coastguard Worker     region.setRects(rects, std::size(rects));
9*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawRegion(region, SkPaint());
10*c8dee2aaSAndroid Build Coastguard Worker     region.setEmpty();
11*c8dee2aaSAndroid Build Coastguard Worker     for (auto add : rects) {
12*c8dee2aaSAndroid Build Coastguard Worker         region.op(add, SkRegion::kUnion_Op);
13*c8dee2aaSAndroid Build Coastguard Worker     }
14*c8dee2aaSAndroid Build Coastguard Worker     region.translate(100, 0);
15*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawRegion(region, SkPaint());
16*c8dee2aaSAndroid Build Coastguard Worker }
17*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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