Adding frame additions to the core

Author: bengotow

UIView+FrameAdditions.h

@@ -0,0 +1,19 @@
+
+@interface UIView (FrameAdditions)
+
+- (void)setFrameY:(float)y;
+- (void)setFrameX:(float)x;
+- (void)shiftFrame:(CGPoint)offset;
+- (void)shiftFrameUsingTransform:(CGPoint)offset;
+- (void)setFrameOrigin:(CGPoint)origin;
+- (void)setFrameSize:(CGSize)size;
+- (void)setFrameCenter:(CGPoint)p;
+- (void)setFrameWidth:(float)w;
+- (void)setFrameHeight:(float)h;
+- (void)setFrameSizeAndRemainCentered:(CGSize)desired;
+- (void)multiplyFrameBy:(float)t;
+- (CGPoint)topRight;
+- (CGPoint)bottomRight;
+- (CGPoint)bottomLeft;
+
+@end

UIView+FrameAdditions.m

@@ -0,0 +1,120 @@
+//
+//  UIViewAdditions.m
+//  PAR Works iOS SDK
+//
+//  Copyright 2013 PAR Works, Inc.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
+
+
+
+#import "UIView+FrameAdditions.h"
+
+@implementation UIView (FrameAdditions)
+
+- (void)setFrameY:(float)y
+{
+    CGRect frame = [self frame];
+    frame.origin.y = y;
+    [self setFrame: frame];
+}
+
+- (void)setFrameX:(float)x
+{
+    CGRect frame = [self frame];
+    frame.origin.x = x;
+    [self setFrame: frame];
+}
+
+- (void)shiftFrame:(CGPoint)offset
+{
+    CGRect frame = [self frame];
+    [self setFrame: CGRectMake(frame.origin.x + offset.x, frame.origin.y + offset.y, frame.size.width, frame.size.height)];
+}
+
+- (void)shiftFrameUsingTransform:(CGPoint)offset
+{
+    CGAffineTransform t = [self transform];
+    t = CGAffineTransformTranslate(t,offset.x, offset.y);
+    [self setTransform: t];
+}
+
+- (void)setFrameOrigin:(CGPoint)origin
+{
+    CGRect frame = [self frame];
+    [self setFrame: CGRectMake(origin.x, origin.y, frame.size.width, frame.size.height)];
+}
+
+- (void)setFrameSize:(CGSize)size
+{
+    CGRect frame = [self frame];
+    [self setFrame: CGRectMake(frame.origin.x, frame.origin.y, size.width, size.height)];
+}
+
+- (void)setFrameCenter:(CGPoint)p
+{
+    CGRect frame = [self frame];
+    [self setFrame: CGRectMake(p.x - frame.size.width / 2, p.y - frame.size.height / 2, frame.size.width, frame.size.height)];
+}
+
+- (void)setFrameWidth:(float)w
+{    
+    CGRect frame = [self frame];
+    frame.size.width = w;
+    [self setFrame: frame];
+}
+
+- (void)setFrameHeight:(float)h
+{    
+    CGRect frame = [self frame];
+    frame.size.height = h;
+    [self setFrame: frame];
+}
+
+- (void)setFrameSizeAndRemainCentered:(CGSize)desired
+{
+    CGRect current = [self frame];
+    CGRect fixed = CGRectMake(current.origin.x - (desired.width - current.size.width) / 2,
+        current.origin.y - (desired.height - current.size.height) / 2, desired.width, desired.height);
+        
+    [self setFrame: fixed];
+}
+
+- (void)multiplyFrameBy:(float)t
+{
+    CGRect f = [self frame];
+    f.origin.x *= t;
+    f.origin.y *= t;
+    f.size.width *= t;
+    f.size.height *= t;
+    
+    [self setFrame:f];
+}
+
+- (CGPoint)topRight
+{
+    return CGPointMake([self frame].origin.x + [self frame].size.width, [self frame].origin.y);
+}
+
+- (CGPoint)bottomRight
+{
+    return CGPointMake([self frame].origin.x + [self frame].size.width, [self frame].origin.y + [self frame].size.height);
+}
+
+- (CGPoint)bottomLeft
+{
+    return CGPointMake([self frame].origin.x, [self frame].origin.y + [self frame].size.height);
+}
+
+@end