自定义UILabel
// 重写label的textRectForBounds方法
-(CGRect)textRectForBounds:(CGRect)bounds limitedToNumberOfLines:(NSInteger)numberOfLines {
CGRectrect = [supertextRectForBounds:bounds limitedToNumberOfLines:numberOfLines];
switch(self.textAlignmentType) {
caseWZBTextAlignmentTypeLeftTop: {
rect.origin = bounds.origin;
}
break;
caseWZBTextAlignmentTypeRightTop: {
rect.origin = CGPointMake(CGRectGetMaxX(bounds) - rect.size.width, bounds.origin.y);
}
break;
caseWZBTextAlignmentTypeLeftBottom: {
rect.origin = CGPointMake(bounds.origin.x, CGRectGetMaxY(bounds) - rect.size.height);
}
break;
caseWZBTextAlignmentTypeRightBottom: {
rect.origin = CGPointMake(CGRectGetMaxX(bounds) - rect.size.width, CGRectGetMaxY(bounds) - rect.size.height);
}
break;
caseWZBTextAlignmentTypeTopCenter: {
rect.origin = CGPointMake((CGRectGetWidth(bounds) - CGRectGetWidth(rect)) /2, CGRectGetMaxY(bounds) - rect.origin.y);
}
break;
caseWZBTextAlignmentTypeBottomCenter: {
rect.origin = CGPointMake((CGRectGetWidth(bounds) - CGRectGetWidth(rect)) /2, CGRectGetMaxY(bounds) - CGRectGetMaxY(bounds) - rect.size.height);
}
break;
caseWZBTextAlignmentTypeLeft: {
rect.origin = CGPointMake(0, rect.origin.y);
}
break;
caseWZBTextAlignmentTypeRight: {
rect.origin = CGPointMake(rect.origin.x,0);
}
break;
caseWZBTextAlignmentTypeCenter: {
rect.origin = CGPointMake((CGRectGetWidth(bounds) - CGRectGetWidth(rect)) /2, (CGRectGetHeight(bounds) - CGRectGetHeight(rect)) /2);
}
break;
default:
break;
}
returnrect;
}
- (void)drawTextInRect:(CGRect)rect {
CGRecttextRect = [selftextRectForBounds:rect limitedToNumberOfLines:self.numberOfLines];
[superdrawTextInRect:textRect];
}
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