Quartz2D简单绘制之实心圆&实心矩形

// 实心圆 实心矩形
CGContextRef contextRef = UIGraphicsGetCurrentContext();
CGContextSetRGBStrokeColor(contextRef, 1.0f, 1.0f, 1.0f, 1);
CGContextSetLineWidth(contextRef, 2.0f);
CGFloat    components[] = { 1.0f, 0.0f, 0.0f, 1.0f};
CGContextSetFillColor(contextRef, components);
CGContextAddRect(contextRef, CGRectMake(50.0f, 50.0f, 100.0f, 100.0f));
CGContextStrokePath(contextRef);
CGContextFillEllipseInRect(contextRef, CGRectMake(50.0f, 50.0f, 100.0f, 100.0f));
CGContextFillRect(contextRef, CGRectMake(150.0f, 150.0f, 100.0f, 100.0f));