skia2/docs/examples/Path_ConvertConicToQuads.cpp
Hal Canary d88c2e8e09 Docs: rename examples files to match names
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>
2019-03-19 18:49:22 +00:00

29 lines
1.1 KiB
C++

// 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=3ba94448a4ba48f926e643baeb5b1016
REG_FIDDLE(Path_ConvertConicToQuads, 256, 256, false, 0) {
void draw(SkCanvas* canvas) {
SkPaint conicPaint;
conicPaint.setAntiAlias(true);
conicPaint.setStyle(SkPaint::kStroke_Style);
SkPaint quadPaint(conicPaint);
quadPaint.setColor(SK_ColorRED);
SkPoint conic[] = { {20, 170}, {80, 170}, {80, 230} };
for (auto weight : { .25f, .5f, .707f, .85f, 1.f } ) {
SkPoint quads[5];
SkPath::ConvertConicToQuads(conic[0], conic[1], conic[2], weight, quads, 1);
SkPath path;
path.moveTo(conic[0]);
path.conicTo(conic[1], conic[2], weight);
canvas->drawPath(path, conicPaint);
path.rewind();
path.moveTo(quads[0]);
path.quadTo(quads[1], quads[2]);
path.quadTo(quads[3], quads[4]);
canvas->drawPath(path, quadPaint);
canvas->translate(50, -50);
}
}
} // END FIDDLE