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绘制渐变背景代码

时间:2016-08-29 10:20:36      阅读:156      评论:0      收藏:0      [点我收藏+]

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- (void)drawRect:(NSRect)dirtyRect {

    [super drawRect:dirtyRect];

    NSGradient *backgroundGradient = [[NSGradient alloc] initWithStartingColor:[NSColor colorWithDeviceRed:239.0/255.0 green:239.0/255.0 blue:239.0/255.0 alpha:1.0] endingColor:[NSColor colorWithDeviceRed:239.0/255.0 green:239.0/255.0 blue:239.0/255.0 alpha:1.0]];

 

    [backgroundGradient drawInRect:[self bounds] angle:90.0];

 

    // Drawing code here.

}

 

绘制渐变背景代码

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原文地址:http://www.cnblogs.com/PJXWang/p/5816931.html

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