xref: /aosp_15_r20/external/skia/docs/examples/Path_interpolate.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_interpolate, 256, 60, false, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     SkPaint paint;
7     paint.setAntiAlias(true);
8     paint.setStyle(SkPaint::kStroke_Style);
9     SkPath path, path2;
10     path.moveTo(20, 20);
11     path.lineTo(40, 40);
12     path.lineTo(20, 40);
13     path.lineTo(40, 20);
14     path.close();
15     path2.addRect({20, 20, 40, 40});
16     for (SkScalar i = 0; i <= 1; i += 1.f / 6) {
17       SkPath interp;
18       path.interpolate(path2, i, &interp);
19       canvas->drawPath(interp, paint);
20       canvas->translate(30, 0);
21     }
22 }
23 }  // END FIDDLE
24