ios中渐变色太浅
问题描述:
我想绘制渐变,但我的颜色已关闭。为简化起见,我可以尝试绘制与我的表格视图的背景颜色相同的颜色,即[UIColor darkGrayColor]
。我的绘图代码如下所示:ios中渐变色太浅
CGColorSpaceRef myColorspace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
redEndColor = 1./3.;
greenEndColor = 1./3.;
blueEndColor = 1./3.;
alphaEndColor = 1.;
redStartColor = redEndColor;
greenStartColor = greenEndColor;
blueStartColor = blueEndColor;
alphaStartColor = alphaEndColor;
CGFloat components[8] = {redStartColor, greenStartColor, blueStartColor, alphaStartColor, redEndColor, greenEndColor, blueEndColor, alphaEndColor };
CGGradientRef myGradient = CGGradientCreateWithColorComponents (myColorspace, components,locations, 2);
CGContextDrawLinearGradient(context, myGradient, myStartPoint, myEndPoint, 0);
但绘制的颜色太亮(请参阅图片)。我可能做错了什么?
答
对于记录,所述颜色空间是错误的,我需要通过
CGColorSpaceRef myColorspace = CGColorSpaceCreateWithName(kCGColorSpaceSRGB);