Initial commit

2017-08-15 16:59:01 +08:00
commit bdc83e07ef
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+//
+//  UIView+YYAdd.m
+//  YYKit <https://github.com/ibireme/YYKit>
+//
+//  Created by ibireme on 13/4/3.
+//  Copyright (c) 2015 ibireme.
+//
+//  This source code is licensed under the MIT-style license found in the
+//  LICENSE file in the root directory of this source tree.
+//
+
+#import "UIView+UMComAddition.h"
+#import <QuartzCore/QuartzCore.h>
+//#import "YYKitMacro.h"
+
+@implementation UIView (UMComAddition)
+
+- (UIImage *)snapshotImage_ {
+    UIGraphicsBeginImageContextWithOptions(self.bounds.size, self.opaque, 0);
+    [self.layer renderInContext:UIGraphicsGetCurrentContext()];
+    UIImage *snap = UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+    return snap;
+}
+
+- (UIImage *)snapshotImageAfterScreenUpdates_:(BOOL)afterUpdates {
+    if (![self respondsToSelector:@selector(drawViewHierarchyInRect:afterScreenUpdates:)]) {
+        return [self snapshotImage_];
+    }
+    UIGraphicsBeginImageContextWithOptions(self.bounds.size, self.opaque, 0);
+    [self drawViewHierarchyInRect:self.bounds afterScreenUpdates:afterUpdates];
+    UIImage *snap = UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+    return snap;
+}
+
+- (NSData *)snapshotPDF_ {
+    CGRect bounds = self.bounds;
+    NSMutableData* data = [NSMutableData data];
+    CGDataConsumerRef consumer = CGDataConsumerCreateWithCFData((__bridge CFMutableDataRef)data);
+    CGContextRef context = CGPDFContextCreate(consumer, &bounds, NULL);
+    CGDataConsumerRelease(consumer);
+    if (!context) return nil;
+    CGPDFContextBeginPage(context, NULL);
+    CGContextTranslateCTM(context, 0, bounds.size.height);
+    CGContextScaleCTM(context, 1.0, -1.0);
+    [self.layer renderInContext:context];
+    CGPDFContextEndPage(context);
+    CGPDFContextClose(context);
+    CGContextRelease(context);
+    return data;
+}
+
+- (void)setLayerShadow_:(UIColor*)color offset:(CGSize)offset radius:(CGFloat)radius {
+    self.layer.shadowColor = color.CGColor;
+    self.layer.shadowOffset = offset;
+    self.layer.shadowRadius = radius;
+    self.layer.shadowOpacity = 1;
+    self.layer.shouldRasterize = YES;
+    self.layer.rasterizationScale = [UIScreen mainScreen].scale;
+}
+
+- (void)removeAllSubviews_ {
+    //[self.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
+    while (self.subviews.count) {
+        [self.subviews.lastObject removeFromSuperview];
+    }
+}
+
+
+- (UIViewController *)viewController_ {
+    for (UIView *view = self; view; view = view.superview) {
+        UIResponder *nextResponder = [view nextResponder];
+        if ([nextResponder isKindOfClass:[UIViewController class]]) {
+            return (UIViewController *)nextResponder;
+        }
+    }
+    return nil;
+}
+
+- (CGFloat)visibleAlpha_ {
+    if ([self isKindOfClass:[UIWindow class]]) {
+        if (self.hidden) return 0;
+        return self.alpha;
+    }
+    if (!self.window) return 0;
+    CGFloat alpha = 1;
+    UIView *v = self;
+    while (v) {
+        if (v.hidden) {
+            alpha = 0;
+            break;
+        }
+        alpha *= v.alpha;
+        v = v.superview;
+    }
+    return alpha;
+}
+
+- (CGPoint)convertPoint_:(CGPoint)point toViewOrWindow:(UIView *)view {
+    if (!view) {
+        if ([self isKindOfClass:[UIWindow class]]) {
+            return [((UIWindow *)self) convertPoint:point toWindow:nil];
+        } else {
+            return [self convertPoint:point toView:nil];
+        }
+    }
+    
+    UIWindow *from = [self isKindOfClass:[UIWindow class]] ? (id)self : self.window;
+    UIWindow *to = [view isKindOfClass:[UIWindow class]] ? (id)view : view.window;
+    if ((!from || !to) || (from == to)) return [self convertPoint:point toView:view];
+    point = [self convertPoint:point toView:from];
+    point = [to convertPoint:point fromWindow:from];
+    point = [view convertPoint:point fromView:to];
+    return point;
+}
+
+- (CGPoint)convertPoint_:(CGPoint)point fromViewOrWindow:(UIView *)view {
+    if (!view) {
+        if ([self isKindOfClass:[UIWindow class]]) {
+            return [((UIWindow *)self) convertPoint:point fromWindow:nil];
+        } else {
+            return [self convertPoint:point fromView:nil];
+        }
+    }
+    
+    UIWindow *from = [view isKindOfClass:[UIWindow class]] ? (id)view : view.window;
+    UIWindow *to = [self isKindOfClass:[UIWindow class]] ? (id)self : self.window;
+    if ((!from || !to) || (from == to)) return [self convertPoint:point fromView:view];
+    point = [from convertPoint:point fromView:view];
+    point = [to convertPoint:point fromWindow:from];
+    point = [self convertPoint:point fromView:to];
+    return point;
+}
+
+- (CGRect)convertRect_:(CGRect)rect toViewOrWindow:(UIView *)view {
+    if (!view) {
+        if ([self isKindOfClass:[UIWindow class]]) {
+            return [((UIWindow *)self) convertRect:rect toWindow:nil];
+        } else {
+            return [self convertRect:rect toView:nil];
+        }
+    }
+    
+    UIWindow *from = [self isKindOfClass:[UIWindow class]] ? (id)self : self.window;
+    UIWindow *to = [view isKindOfClass:[UIWindow class]] ? (id)view : view.window;
+    if (!from || !to) return [self convertRect:rect toView:view];
+    if (from == to) return [self convertRect:rect toView:view];
+    rect = [self convertRect:rect toView:from];
+    rect = [to convertRect:rect fromWindow:from];
+    rect = [view convertRect:rect fromView:to];
+    return rect;
+}
+
+- (CGRect)convertRect_:(CGRect)rect fromViewOrWindow:(UIView *)view {
+    if (!view) {
+        if ([self isKindOfClass:[UIWindow class]]) {
+            return [((UIWindow *)self) convertRect:rect fromWindow:nil];
+        } else {
+            return [self convertRect:rect fromView:nil];
+        }
+    }
+    
+    UIWindow *from = [view isKindOfClass:[UIWindow class]] ? (id)view : view.window;
+    UIWindow *to = [self isKindOfClass:[UIWindow class]] ? (id)self : self.window;
+    if ((!from || !to) || (from == to)) return [self convertRect:rect fromView:view];
+    rect = [from convertRect:rect fromView:view];
+    rect = [to convertRect:rect fromWindow:from];
+    rect = [self convertRect:rect fromView:to];
+    return rect;
+}
+
+- (CGFloat)left_ {
+    return self.frame.origin.x;
+}
+
+- (void)setLeft_:(CGFloat)x {
+    CGRect frame = self.frame;
+    frame.origin.x = x;
+    self.frame = frame;
+}
+
+- (CGFloat)top_  {
+    return self.frame.origin.y;
+}
+
+- (void)setTop_ :(CGFloat)y {
+    CGRect frame = self.frame;
+    frame.origin.y = y;
+    self.frame = frame;
+}
+
+- (CGFloat)right_  {
+    return self.frame.origin.x + self.frame.size.width;
+}
+
+- (void)setRight_ :(CGFloat)right {
+    CGRect frame = self.frame;
+    frame.origin.x = right - frame.size.width;
+    self.frame = frame;
+}
+
+- (CGFloat)bottom_ {
+    return self.frame.origin.y + self.frame.size.height;
+}
+
+- (void)setBottom_:(CGFloat)bottom {
+    CGRect frame = self.frame;
+    frame.origin.y = bottom - frame.size.height;
+    self.frame = frame;
+}
+
+- (CGFloat)width_ {
+    return self.frame.size.width;
+}
+
+- (void)setWidth_:(CGFloat)width {
+    CGRect frame = self.frame;
+    frame.size.width = width;
+    self.frame = frame;
+}
+
+- (CGFloat)height_ {
+    return self.frame.size.height;
+}
+
+- (void)setHeight_:(CGFloat)height {
+    CGRect frame = self.frame;
+    frame.size.height = height;
+    self.frame = frame;
+}
+
+- (CGFloat)centerX_ {
+    return self.center.x;
+}
+
+- (void)setCenterX_:(CGFloat)centerX {
+    self.center = CGPointMake(centerX, self.center.y);
+}
+
+- (CGFloat)centerY_ {
+    return self.center.y;
+}
+
+- (void)setCenterY_:(CGFloat)centerY {
+    self.center = CGPointMake(self.center.x, centerY);
+}
+
+- (CGPoint)origin_ {
+    return self.frame.origin;
+}
+
+- (void)setOrigin_:(CGPoint)origin {
+    CGRect frame = self.frame;
+    frame.origin = origin;
+    self.frame = frame;
+}
+
+- (CGSize)size_ {
+    return self.frame.size;
+}
+
+- (void)setSize_:(CGSize)size {
+    CGRect frame = self.frame;
+    frame.size = size;
+    self.frame = frame;
+}
+
+@end