skia2/docs/examples/Path_interpolate.cpp

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// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "fiddle/examples.h"
// HASH=404f11c5c9c9ca8a64822d484552a473
REG_FIDDLE(Path_interpolate, 256, 60, false, 0) {
void draw(SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
SkPath path, path2;
path.moveTo(20, 20);
path.lineTo(40, 40);
path.lineTo(20, 40);
path.lineTo(40, 20);
path.close();
path2.addRect({20, 20, 40, 40});
for (SkScalar i = 0; i <= 1; i += 1.f / 6) {
SkPath interp;
path.interpolate(path2, i, &interp);
canvas->drawPath(interp, paint);
canvas->translate(30, 0);
}
}
} // END FIDDLE