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//
// UIView+ViewFrameGeometry.m
// IBTTableViewKit
//
// Created by Xummer on 15/1/9.
// Copyright (c) 2015年 Xummer. All rights reserved.
//
#import "UIView+ViewFrameGeometry.h"
@implementation UIView (ViewFrameGeometry)
- (CGFloat) x {
return self.frame.origin.x;
}
- (void) setX:(CGFloat)x {
CGRect nframe = self.frame;
nframe.origin.x = x;
self.frame = nframe;
}
- (CGFloat) y {
return self.frame.origin.y;
}
- (void) setY:(CGFloat)y {
CGRect nframe = self.frame;
nframe.origin.y = y;
self.frame = nframe;
}
// Retrieve and set height, width
- (CGFloat) width {
return self.frame.size.width;
}
- (void) setWidth:(CGFloat)width {
CGRect nframe = self.frame;
nframe.size.width = width;
self.frame = nframe;
}
- (CGFloat) height {
return self.frame.size.height;
}
- (void) setHeight:(CGFloat)height {
CGRect nframe = self.frame;
nframe.size.height = height;
self.frame = nframe;
}
// Retrieve and set the origin, size
- (CGPoint) origin {
return self.frame.origin;
}
- (void) setOrigin:(CGPoint)aPoint {
CGRect nframe = self.frame;
nframe.origin = aPoint;
self.frame = nframe;
}
- (CGSize) size {
return self.frame.size;
}
- (void) setSize:(CGSize)aSize {
CGRect nframe = self.frame;
nframe.size = aSize;
self.frame = nframe;
}
// Retrieve and set top, bottom, left, right
- (CGFloat) left {
return self.x;
}
- (void) setLeft:(CGFloat)left {
self.x = left;
}
- (CGFloat) right {
return CGRectGetMaxX(self.frame);
}
- (void) setRight:(CGFloat)right {
self.x = right - self.width;
}
- (CGFloat) top {
return self.y;
}
- (void) setTop:(CGFloat)top {
self.y = top;
}
- (CGFloat) bottom {
return CGRectGetMaxY(self.frame);
}
- (void) setBottom:(CGFloat)bottom {
self.y = bottom - self.height;
}
// Query other frame locations
- (CGPoint) topRight {
return CGPointMake(self.right, self.top);
}
- (CGPoint) bottomRight {
return CGPointMake(self.right, self.bottom);
}
- (CGPoint) bottomLeft {
return CGPointMake(self.left, self.bottom);
}
// Move via offset
- (void) moveBy:(CGPoint)delta
{
CGPoint nCenter = self.center;
nCenter.x += delta.x;
nCenter.y += delta.y;
self.center = nCenter;
}
// Scaling
- (void) scaleBy:(CGFloat)scaleFactor {
CGRect nframe = self.frame;
nframe.size.width *= scaleFactor;
nframe.size.height *= scaleFactor;
self.frame = nframe;
}
// Ensure that both dimensions fit within the given size by scaling down
- (void) fitInSize:(CGSize)aSize {
CGFloat scale;
CGRect nframe = self.frame;
if (nframe.size.height && (nframe.size.height > aSize.height)) {
scale = aSize.height / nframe.size.height;
nframe.size.width *= scale;
nframe.size.height *= scale;
}
if (nframe.size.width && (nframe.size.width >= aSize.width)) {
scale = aSize.width / nframe.size.width;
nframe.size.width *= scale;
nframe.size.height *= scale;
}
self.frame = nframe;
}
- (CGSize) widthLimitedSizeThatFits:(CGSize)size {
CGSize mSize = [self sizeThatFits:size];
if (mSize.width > size.width) {
mSize.width = size.width;
}
return mSize;
}
- (CGSize) heightLimitedSizeThatFits:(CGSize)size {
CGSize mSize = [self sizeThatFits:size];
if (mSize.height > size.height) {
mSize.height = size.height;
}
return mSize;
}
@end