drawarcs.cpp File Reference

#include "tools/fiddle/examples.h"
#include <random>

Go to the source code of this file.

Functions
	REG_FIDDLE (drawarcs, 256, 256, false, 0)

Function Documentation

REG_FIDDLE()

REG_FIDDLE	(	drawarcs	,
		256	,
		256	,
		false	,
		0
	)

Definition at line 7 of file drawarcs.cpp.

                                         {
void draw(SkCanvas* canvas) {
    SkPaint paint;
    paint.setAntiAlias(true);
    paint.setStyle(SkPaint::kStroke_Style);
    paint.setStrokeWidth(8);
 
    std::default_random_engine rng;
    const auto randScalar = [&rng](SkScalar min, SkScalar max) -> SkScalar {
        return std::uniform_real_distribution<SkScalar>(min, max)(rng);
    };
    const auto randOpaqueColor = [&rng]() -> SkColor {
        return std::uniform_int_distribution<uint32_t>(0, 0xFFFFFF)(rng) | 0xFF000000;
    };
    SkPath path;
 
    for (int i = 0; i < 100; ++i) {
        SkScalar x = randScalar(0, 200);
        SkScalar y = randScalar(0, 200);
 
        path.rewind();
        path.addArc(SkRect::MakeXYWH(x, y, 70, 70), randScalar(0, 360),
                    randScalar(0, 360));
        paint.setColor(randOpaqueColor());
        canvas->drawPath(path, paint);
    }
}
}  // END FIDDLE