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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 "tools/fiddle/examples.h"
- // HASH=6b97099acdae80b16df0c4241f593991
- REG_FIDDLE(Path_IsCubicDegenerate, 256, 256, true, 0) {
- void draw(SkCanvas* canvas) {
- SkPoint points[] = {{1, 0}, {0, 0}, {0, 0}, {0, 0}};
- SkScalar step = 1;
- SkScalar prior, length = 0, degenerate = 0;
- do {
- prior = points[0].fX;
- step /= 2;
- if (SkPath::IsCubicDegenerate(points[0], points[1], points[2], points[3], false)) {
- degenerate = prior;
- points[0].fX += step;
- } else {
- length = prior;
- points[0].fX -= step;
- }
- } while (prior != points[0].fX);
- SkDebugf("%1.8g is degenerate\n", degenerate);
- SkDebugf("%1.8g is length\n", length);
- }
- } // END FIDDLE
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