xref: /aosp_15_r20/external/skia/docs/examples/Path_Iter_next.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(Path_Iter_next, 256, 256, true, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     SkPath path;
7     path.moveTo(10, 10);
8     path.moveTo(20, 20);
9     path.quadTo(10, 20, 30, 40);
10     path.moveTo(1, 1);
11     path.close();
12     path.moveTo(30, 30);
13     path.lineTo(30.00001f, 30);
14 
15     SkPath::Iter iter(path, false);
16     const char* verbStr[] =  { "Move", "Line", "Quad", "Conic", "Cubic", "Close", "Done" };
17     const int pointCount[] = {     1 ,     2 ,     3 ,      3 ,      4 ,      1 ,     0  };
18     SkPath::Verb verb;
19     do {
20         SkPoint points[4];
21         verb = iter.next(points);
22         SkDebugf("k%s_Verb ", verbStr[(int) verb]);
23         for (int i = 0; i < pointCount[(int) verb]; ++i) {
24             SkDebugf("{%1.8g, %1.8g}, ", points[i].fX, points[i].fY);
25         }
26         SkDebugf("\n");
27     } while (SkPath::kDone_Verb != verb);
28     SkDebugf("\n");
29 }
30 }  // END FIDDLE
31