xref: /aosp_15_r20/external/skia/docs/examples/Path_isRect.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(Path_isRect, 256, 256, true, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker     auto debugster = [](const char* prefix, const SkPath& path) -> void {
7*c8dee2aaSAndroid Build Coastguard Worker         SkRect rect;
8*c8dee2aaSAndroid Build Coastguard Worker         SkPathDirection direction;
9*c8dee2aaSAndroid Build Coastguard Worker         bool isClosed;
10*c8dee2aaSAndroid Build Coastguard Worker         path.isRect(&rect, &isClosed, &direction) ?
11*c8dee2aaSAndroid Build Coastguard Worker                 SkDebugf("%s is rect (%g, %g, %g, %g); is %s" "closed; direction %s\n", prefix,
12*c8dee2aaSAndroid Build Coastguard Worker                          rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, isClosed ? "" : "not ",
13*c8dee2aaSAndroid Build Coastguard Worker                          SkPathDirection::kCW == direction ? "CW" : "CCW") :
14*c8dee2aaSAndroid Build Coastguard Worker                 SkDebugf("%s is not rect\n", prefix);
15*c8dee2aaSAndroid Build Coastguard Worker     };
16*c8dee2aaSAndroid Build Coastguard Worker     SkPath path;
17*c8dee2aaSAndroid Build Coastguard Worker     debugster("empty", path);
18*c8dee2aaSAndroid Build Coastguard Worker     path.addRect({10, 20, 30, 40});
19*c8dee2aaSAndroid Build Coastguard Worker     debugster("addRect", path);
20*c8dee2aaSAndroid Build Coastguard Worker     path.moveTo(60, 70);
21*c8dee2aaSAndroid Build Coastguard Worker     debugster("moveTo", path);
22*c8dee2aaSAndroid Build Coastguard Worker     path.lineTo(60, 70);
23*c8dee2aaSAndroid Build Coastguard Worker     debugster("lineTo", path);
24*c8dee2aaSAndroid Build Coastguard Worker     path.reset();
25*c8dee2aaSAndroid Build Coastguard Worker     const SkPoint pts[] = { {0, 0}, {0, 80}, {80, 80}, {80, 0}, {40, 0}, {20, 0} };
26*c8dee2aaSAndroid Build Coastguard Worker     path.addPoly(pts, std::size(pts), false);
27*c8dee2aaSAndroid Build Coastguard Worker     debugster("addPoly", path);
28*c8dee2aaSAndroid Build Coastguard Worker }
29*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
30