skcanvas_star.cpp File Reference

#include "tools/fiddle/examples.h"

Go to the source code of this file.

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

Function Documentation

REG_FIDDLE()

REG_FIDDLE	(	skcanvas_star	,
		256	,
		256	,
		false	,
		0
	)

Definition at line 4 of file skcanvas_star.cpp.

                                              {
void draw(SkCanvas* canvas) {
    const SkScalar scale = 256.0f;
    const SkScalar R = 0.45f * scale;
    const SkScalar TAU = 6.2831853f;
    SkPath path;
    path.moveTo(R, 0.0f);
    for (int i = 1; i < 7; ++i) {
        SkScalar theta = 3 * i * TAU / 7;
        path.lineTo(R * cos(theta), R * sin(theta));
    }
    path.close();
    SkPaint p;
    p.setAntiAlias(true);
    canvas->clear(SK_ColorWHITE);
    canvas->translate(0.5f * scale, 0.5f * scale);
    canvas->drawPath(path, p);
}
}  // END FIDDLE