NSGeometry.h 里面的方法详解

1，NSDivideRect(NSRect inRect, NSRect *slice, NSRect *rem, CGFloat amount, NSRectEdge edge); 的意思是把按amount把inRect分成两块。直接看代码结果

 

    NSRect aRect = [sender frame];

    NSRect popUpRect, textRect;

    NSDivideRect(aRect, &popUpRect, &textRect, 30, NSMinXEdge);

    NSString *popUpRectString = NSStringFromRect(popUpRect);

    NSString *textRectString = NSStringFromRect(textRect);

    NSString *aRectString = NSStringFromRect(aRect);

    NSLog(@"popUpRectString -> %@", popUpRectString);popUpRectString -> {{207, 25}, {30, 32}}

    NSLog(@"textRectString -> %@", textRectString);textRectString -> {{237, 25}, {52, 32}}

    NSLog(@"aRectString -> %@", aRectString); aRectString -> {{207, 25}, {82, 32}}

 

2，NSRect NSInsetRect(NSRect aRect, CGFloat dX, CGFloat dY);

 

    aRect = [sender frame];

    NSRect bRect = NSInsetRect(aRect, 10, 10);

 

    NSString *bRectString = NSStringFromRect(bRect);

    NSLog(@"bRectString -> %@", bRectString);bRectString -> {{217, 35}, {62, 12}}