- (void)drawRect:(NSRect)dirtyRect {
[superdrawRect:dirtyRect];
NSColor*color =RCColorWithValue(0x585c62);
[colorsetFill];
NSIntegerradius =5;
// 绘制圆角
CGContextRef context = [NSGraphicsContext currentContext].CGContext; // Core Graphics上下文，其实就是张画布
CGFloatminx =CGRectGetMinX(dirtyRect), midx = CGRectGetMidX(dirtyRect), maxx =CGRectGetMaxX(dirtyRect);
CGFloatminy =CGRectGetMinY(dirtyRect), midy =CGRectGetMidY(dirtyRect), maxy =CGRectGetMaxY(dirtyRect);
CGContextMoveToPoint(context, minx, midy);// 设置绘制起点为（minx, midy）
CGContextAddArcToPoint(context, minx, miny, midx, miny,0);// 绘制view左下圆角
CGContextAddArcToPoint(context, maxx, miny, maxx, midy, radius);// 绘制view右下圆角
CGContextAddArcToPoint(context, maxx, maxy, midx, maxy, radius);// 绘制view右上圆角
CGContextAddArcToPoint(context, minx, maxy, minx, midy,0);// 绘制view左上圆角
CGContextClosePath(context); CGContextSetFillColorWithColor(context, color.CGColor); //填充view的背景颜色
CGContextFillPath(context);
}
