iphone创建颜色 Creating Quartz Colors

Question

iphone创建颜色 Creating Quartz Colors

结构体CGColor Reference 指出Creating Quartz Colors四种方法：

CGColorCreate
CGColorCreateCopy
CGColorCreateCopyWithAlpha
CGColorCreateWithPattern

1、使用CGColorCreate

CGColorRef CGColorCreate (
   CGColorSpaceRef colorspace,
   const CGFloat components[]
);

1. 1 CGColorSpaceRef rgb = CGColorSpaceCreateDeviceRGB();
2. 2 const CGFloat myColor[] = {0.90625, 0.80, 0.80, 1.0};
3. 3 CGColorRef ref = CGColorCreate(rgb, myColor);

复制代码