aosp12/external/skia/docs/examples/fivearcs.cpp

45 lines
1.4 KiB
C++

// Copyright 2020 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"
REG_FIDDLE(fivearcs, 256, 128, false, 0) {
void draw(SkCanvas* canvas) {
canvas->clear(SkColorSetARGB(255, 255, 255, 255));
SkPaint ovalPaint;
ovalPaint.setAntiAlias(true);
ovalPaint.setStyle(SkPaint::kStroke_Style);
SkPaint arcPaint(ovalPaint);
arcPaint.setStrokeWidth(5);
arcPaint.setColor(SK_ColorBLUE);
SkRect oval = {8, 8, 56, 56};
canvas->drawOval(oval, ovalPaint);
SkPath arcPath;
arcPath.arcTo(oval, 0, 90, false);
canvas->drawPath(arcPath, arcPaint);
canvas->translate(64, 0);
canvas->drawOval(oval, ovalPaint);
canvas->drawArc(oval, 0, 90, false, arcPaint);
canvas->translate(64, 0);
canvas->drawOval(oval, ovalPaint);
arcPath.reset();
arcPath.addArc(oval, 0, 90);
canvas->drawPath(arcPath, arcPaint);
canvas->translate(-96, 64);
canvas->drawOval(oval, ovalPaint);
arcPath.reset();
arcPath.moveTo({56, 32});
arcPath.arcTo({56, 56}, {32, 56}, 24);
canvas->drawPath(arcPath, arcPaint);
canvas->translate(64, 0);
canvas->drawOval(oval, ovalPaint);
arcPath.reset();
arcPath.moveTo({56, 32});
arcPath.arcTo({24, 24}, 0, SkPath::kSmall_ArcSize, SkPathDirection::kCW, {32, 56});
canvas->drawPath(arcPath, arcPaint);
}
} // END FIDDLE