d88c2e8e09
Change-Id: I9a6b2780cfdd91cdd16d5a08eb9ba1214492cb7e Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201982 Commit-Queue: Hal Canary <halcanary@google.com> Reviewed-by: Hal Canary <halcanary@google.com>
25 lines
870 B
C++
25 lines
870 B
C++
// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "fiddle/examples.h"
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// HASH=6b97099acdae80b16df0c4241f593991
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REG_FIDDLE(Path_IsCubicDegenerate, 256, 256, true, 0) {
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void draw(SkCanvas* canvas) {
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SkPoint points[] = {{1, 0}, {0, 0}, {0, 0}, {0, 0}};
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SkScalar step = 1;
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SkScalar prior, length = 0, degenerate = 0;
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do {
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prior = points[0].fX;
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step /= 2;
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if (SkPath::IsCubicDegenerate(points[0], points[1], points[2], points[3], false)) {
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degenerate = prior;
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points[0].fX += step;
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} else {
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length = prior;
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points[0].fX -= step;
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}
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} while (prior != points[0].fX);
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SkDebugf("%1.8g is degenerate\n", degenerate);
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SkDebugf("%1.8g is length\n", length);
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}
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} // END FIDDLE
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