blob: 70cdf60fe1b7fe0a5f10cd33c617048ea9d1d28d [file] [log] [blame]
#if 0 // Disabled until updated to use current API.
// 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=78f3c65fa900610bb52518989b547095
REG_FIDDLE(Path_arcTo_2_b, 256, 128, false, 0) {
void draw(SkCanvas* canvas) {
SkPaint tangentPaint;
tangentPaint.setAntiAlias(true);
SkPaint textPaint(tangentPaint);
tangentPaint.setStyle(SkPaint::kStroke_Style);
tangentPaint.setColor(SK_ColorGRAY);
SkPaint arcPaint(tangentPaint);
arcPaint.setStrokeWidth(5);
arcPaint.setColor(SK_ColorBLUE);
SkPath path;
SkPoint pts[] = { {156, 20}, {200, 20}, {170, 50} };
SkScalar radius = 50;
path.moveTo(pts[0]);
path.arcTo(pts[1], pts[2], radius);
canvas->drawLine(pts[0], pts[1], tangentPaint);
canvas->drawLine(pts[1], pts[2], tangentPaint);
SkPoint lastPt;
(void) path.getLastPt(&lastPt);
SkVector radial = pts[2] - pts[1];
radial.setLength(radius);
SkPoint center = { lastPt.fX - radial.fY, lastPt.fY + radial.fX };
canvas->drawLine(lastPt, center, tangentPaint);
radial = pts[1] - pts[0];
radial.setLength(radius);
SkPoint arcStart = { center.fX + radial.fY, center.fY - radial.fX };
canvas->drawLine(center, arcStart, tangentPaint);
canvas->drawPath(path, arcPaint);
canvas->drawString("(x0, y0)", pts[0].fX, pts[0].fY - 7, textPaint);
canvas->drawString("(x1, y1)", pts[1].fX + 5, pts[1].fY, textPaint);
canvas->drawString("(x2, y2)", pts[2].fX, pts[2].fY + 15, textPaint);
canvas->drawString("radius", center.fX + 15, center.fY + 25, textPaint);
canvas->drawString("radius", center.fX - 5, center.fY - 20, textPaint);
}
} // END FIDDLE
#endif // Disabled until updated to use current API.