From 7b02207537d35bfa1714bf8beafc921f717d100a Mon Sep 17 00:00:00 2001
From: 单军华
Date: Wed, 11 Jul 2018 10:47:42 +0800
Subject: [PATCH] 首次上传
---
screendisplay/Pods/YYText/YYText/Component/YYTextMagnifier.m | 355 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 355 insertions(+), 0 deletions(-)
diff --git a/screendisplay/Pods/YYText/YYText/Component/YYTextMagnifier.m b/screendisplay/Pods/YYText/YYText/Component/YYTextMagnifier.m
new file mode 100755
index 0000000..3932204
--- /dev/null
+++ b/screendisplay/Pods/YYText/YYText/Component/YYTextMagnifier.m
@@ -0,0 +1,355 @@
+//
+// YYTextMagnifier.m
+// YYText <https://github.com/ibireme/YYText>
+//
+// Created by ibireme on 15/2/25.
+// 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 "YYTextMagnifier.h"
+#import "YYTextUtilities.h"
+
+#define kCaptureDisableFadeTime 0.1
+
+
+@interface _YYTextMagnifierCaret : YYTextMagnifier {
+ UIImageView *_contentView;
+ UIImageView *_coverView;
+}
+@end
+
+@implementation _YYTextMagnifierCaret
+
+#define kMultiple 1.2
+#define kDiameter 113.0
+#define kPadding 7.0
+#define kSize CGSizeMake(kDiameter + kPadding * 2, kDiameter + kPadding * 2)
+
+- (instancetype)initWithFrame:(CGRect)frame {
+ self = [super initWithFrame:frame];
+ _contentView = [UIImageView new];
+ _contentView.frame = CGRectMake(kPadding, kPadding, kDiameter, kDiameter);
+ _contentView.layer.cornerRadius = kDiameter / 2;
+ _contentView.clipsToBounds = YES;
+ [self addSubview:_contentView];
+
+ _coverView = [UIImageView new];
+ _coverView.frame = (CGRect){.origin = CGPointZero, .size = kSize};
+ _coverView.image = [self.class coverImage];
+ [self addSubview:_coverView];
+ return self;
+}
+
+- (instancetype)init {
+ self = [self initWithFrame:CGRectZero];
+ self.frame = (CGRect){.size = [self sizeThatFits:CGSizeZero]};
+ return self;
+}
+
+- (YYTextMagnifierType)type {
+ return YYTextMagnifierTypeCaret;
+}
+
+- (CGSize)sizeThatFits:(CGSize)size {
+ return kSize;
+}
+
+- (void)setSnapshot:(UIImage *)snapshot {
+ if (self.captureFadeAnimation) {
+ [_contentView.layer removeAnimationForKey:@"contents"];
+ CABasicAnimation *animation = [CABasicAnimation animation];
+ animation.duration = kCaptureDisableFadeTime;
+ animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
+ [_contentView.layer addAnimation:animation forKey:@"contents"];
+ }
+ _contentView.image = snapshot;
+}
+
+- (UIImage *)snapshot {
+ return _contentView.image;
+}
+
+- (CGSize)snapshotSize {
+ CGFloat length = floor(kDiameter / 1.2);
+ return CGSizeMake(length, length);
+}
+
+- (CGSize)fitSize {
+ return [self sizeThatFits:CGSizeZero];
+}
+
++ (UIImage *)coverImage {
+ static UIImage *image;
+ static dispatch_once_t onceToken;
+ dispatch_once(&onceToken, ^{
+ CGSize size = kSize;
+ CGRect rect = (CGRect) {.size = size, .origin = CGPointZero};
+ rect = CGRectInset(rect, kPadding, kPadding);
+
+ UIGraphicsBeginImageContextWithOptions(size, NO, 0);
+ CGContextRef context = UIGraphicsGetCurrentContext();
+
+ CGPathRef boxPath = CGPathCreateWithRect(CGRectMake(0, 0, size.width, size.height), NULL);
+ CGPathRef fillPath = CGPathCreateWithEllipseInRect(rect, NULL);
+ CGPathRef strokePath = CGPathCreateWithEllipseInRect(YYTextCGRectPixelHalf(rect), NULL);
+
+ // inner shadow
+ CGContextSaveGState(context); {
+ CGFloat blurRadius = 25;
+ CGSize offset = CGSizeMake(0, 15);
+ CGColorRef shadowColor = [UIColor colorWithWhite:0 alpha:0.16].CGColor;
+ CGColorRef opaqueShadowColor = CGColorCreateCopyWithAlpha(shadowColor, 1.0);
+ CGContextAddPath(context, fillPath);
+ CGContextClip(context);
+ CGContextSetAlpha(context, CGColorGetAlpha(shadowColor));
+ CGContextBeginTransparencyLayer(context, NULL); {
+ CGContextSetShadowWithColor(context, offset, blurRadius, opaqueShadowColor);
+ CGContextSetBlendMode(context, kCGBlendModeSourceOut);
+ CGContextSetFillColorWithColor(context, opaqueShadowColor);
+ CGContextAddPath(context, fillPath);
+ CGContextFillPath(context);
+ } CGContextEndTransparencyLayer(context);
+ CGColorRelease(opaqueShadowColor);
+ } CGContextRestoreGState(context);
+
+ // outer shadow
+ CGContextSaveGState(context); {
+ CGContextAddPath(context, boxPath);
+ CGContextAddPath(context, fillPath);
+ CGContextEOClip(context);
+ CGColorRef shadowColor = [UIColor colorWithWhite:0 alpha:0.32].CGColor;
+ CGContextSetShadowWithColor(context, CGSizeMake(0, 1.5), 3, shadowColor);
+ CGContextBeginTransparencyLayer(context, NULL); {
+ CGContextAddPath(context, fillPath);
+ [[UIColor colorWithWhite:0.7 alpha:1.000] setFill];
+ CGContextFillPath(context);
+ } CGContextEndTransparencyLayer(context);
+ } CGContextRestoreGState(context);
+
+ // stroke
+ CGContextSaveGState(context); {
+ CGContextAddPath(context, strokePath);
+ [[UIColor colorWithWhite:0.6 alpha:1] setStroke];
+ CGContextSetLineWidth(context, YYTextCGFloatFromPixel(1));
+ CGContextStrokePath(context);
+ } CGContextRestoreGState(context);
+
+ CFRelease(boxPath);
+ CFRelease(fillPath);
+ CFRelease(strokePath);
+
+ image = UIGraphicsGetImageFromCurrentImageContext();
+ UIGraphicsEndImageContext();
+
+ });
+ return image;
+}
+
+
+#undef kMultiple
+#undef kDiameter
+#undef kPadding
+#undef kSize
+
+@end
+
+
+
+@interface _YYTextMagnifierRanged : YYTextMagnifier {
+ UIImageView *_contentView;
+ UIImageView *_coverView;
+}
+@end
+
+
+@implementation _YYTextMagnifierRanged
+#define kMultiple 1.2
+#define kSize CGSizeMake(141, 60)
+#define kPadding YYTextCGFloatPixelHalf(6.0)
+#define kRadius 6.0
+#define kHeight 32.0
+#define kArrow 14.0
+
+- (instancetype)initWithFrame:(CGRect)frame {
+ self = [super initWithFrame:frame];
+ _contentView = [UIImageView new];
+ _contentView.frame = CGRectMake(kPadding, kPadding, kSize.width - 2 * kPadding, kHeight);
+ _contentView.layer.cornerRadius = kRadius;
+ _contentView.clipsToBounds = YES;
+ [self addSubview:_contentView];
+
+ _coverView = [UIImageView new];
+ _coverView.frame = (CGRect){.origin = CGPointZero, .size = kSize};
+ _coverView.image = [self.class coverImage];
+ [self addSubview:_coverView];
+
+ self.layer.anchorPoint = CGPointMake(0.5, 1.2);
+ return self;
+}
+
+- (instancetype)init {
+ self = [self initWithFrame:CGRectZero];
+ self.frame = (CGRect){.size = [self sizeThatFits:CGSizeZero]};
+ return self;
+}
+
+- (YYTextMagnifierType)type {
+ return YYTextMagnifierTypeRanged;
+}
+
+- (CGSize)sizeThatFits:(CGSize)size {
+ return kSize;
+}
+
+- (void)setSnapshot:(UIImage *)snapshot {
+ if (self.captureFadeAnimation) {
+ [_contentView.layer removeAnimationForKey:@"contents"];
+ CABasicAnimation *animation = [CABasicAnimation animation];
+ animation.duration = kCaptureDisableFadeTime;
+ animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
+ [_contentView.layer addAnimation:animation forKey:@"contents"];
+ }
+ _contentView.image = snapshot;
+}
+
+- (UIImage *)snapshot {
+ return _contentView.image;
+}
+
+- (CGSize)snapshotSize {
+ CGSize size;
+ size.width = floor((kSize.width - 2 * kPadding) / kMultiple);
+ size.height = floor(kHeight / kMultiple);
+ return size;
+}
+
+- (CGSize)fitSize {
+ return [self sizeThatFits:CGSizeZero];
+}
+
++ (UIImage *)coverImage {
+ static UIImage *image;
+ static dispatch_once_t onceToken;
+ dispatch_once(&onceToken, ^{
+ CGSize size = kSize;
+ CGRect rect = (CGRect) {.size = size, .origin = CGPointZero};
+
+ UIGraphicsBeginImageContextWithOptions(size, NO, 0);
+ CGContextRef context = UIGraphicsGetCurrentContext();
+
+ CGPathRef boxPath = CGPathCreateWithRect(rect, NULL);
+
+ CGMutablePathRef path = CGPathCreateMutable();
+ CGPathMoveToPoint(path, NULL, kPadding + kRadius, kPadding);
+ CGPathAddLineToPoint(path, NULL, size.width - kPadding - kRadius, kPadding);
+ CGPathAddQuadCurveToPoint(path, NULL, size.width - kPadding, kPadding, size.width - kPadding, kPadding + kRadius);
+ CGPathAddLineToPoint(path, NULL, size.width - kPadding, kHeight);
+ CGPathAddCurveToPoint(path, NULL, size.width - kPadding, kPadding + kHeight, size.width - kPadding - kRadius, kPadding + kHeight, size.width - kPadding - kRadius, kPadding + kHeight);
+ CGPathAddLineToPoint(path, NULL, size.width / 2 + kArrow, kPadding + kHeight);
+ CGPathAddLineToPoint(path, NULL, size.width / 2, kPadding + kHeight + kArrow);
+ CGPathAddLineToPoint(path, NULL, size.width / 2 - kArrow, kPadding + kHeight);
+ CGPathAddLineToPoint(path, NULL, kPadding + kRadius, kPadding + kHeight);
+ CGPathAddQuadCurveToPoint(path, NULL, kPadding, kPadding + kHeight, kPadding, kHeight);
+ CGPathAddLineToPoint(path, NULL, kPadding, kPadding + kRadius);
+ CGPathAddQuadCurveToPoint(path, NULL, kPadding, kPadding, kPadding + kRadius, kPadding);
+ CGPathCloseSubpath(path);
+
+ CGMutablePathRef arrowPath = CGPathCreateMutable();
+ CGPathMoveToPoint(arrowPath, NULL, size.width / 2 - kArrow, YYTextCGFloatPixelFloor(kPadding) + kHeight);
+ CGPathAddLineToPoint(arrowPath, NULL, size.width / 2 + kArrow, YYTextCGFloatPixelFloor(kPadding) + kHeight);
+ CGPathAddLineToPoint(arrowPath, NULL, size.width / 2, kPadding + kHeight + kArrow);
+ CGPathCloseSubpath(arrowPath);
+
+ // inner shadow
+ CGContextSaveGState(context); {
+ CGFloat blurRadius = 25;
+ CGSize offset = CGSizeMake(0, 15);
+ CGColorRef shadowColor = [UIColor colorWithWhite:0 alpha:0.16].CGColor;
+ CGColorRef opaqueShadowColor = CGColorCreateCopyWithAlpha(shadowColor, 1.0);
+ CGContextAddPath(context, path);
+ CGContextClip(context);
+ CGContextSetAlpha(context, CGColorGetAlpha(shadowColor));
+ CGContextBeginTransparencyLayer(context, NULL); {
+ CGContextSetShadowWithColor(context, offset, blurRadius, opaqueShadowColor);
+ CGContextSetBlendMode(context, kCGBlendModeSourceOut);
+ CGContextSetFillColorWithColor(context, opaqueShadowColor);
+ CGContextAddPath(context, path);
+ CGContextFillPath(context);
+ } CGContextEndTransparencyLayer(context);
+ CGColorRelease(opaqueShadowColor);
+ } CGContextRestoreGState(context);
+
+ // outer shadow
+ CGContextSaveGState(context); {
+ CGContextAddPath(context, boxPath);
+ CGContextAddPath(context, path);
+ CGContextEOClip(context);
+ CGColorRef shadowColor = [UIColor colorWithWhite:0 alpha:0.32].CGColor;
+ CGContextSetShadowWithColor(context, CGSizeMake(0, 1.5), 3, shadowColor);
+ CGContextBeginTransparencyLayer(context, NULL); {
+ CGContextAddPath(context, path);
+ [[UIColor colorWithWhite:0.7 alpha:1.000] setFill];
+ CGContextFillPath(context);
+ } CGContextEndTransparencyLayer(context);
+ } CGContextRestoreGState(context);
+
+ // arrow
+ CGContextSaveGState(context); {
+ CGContextAddPath(context, arrowPath);
+ [[UIColor colorWithWhite:1 alpha:0.95] set];
+ CGContextFillPath(context);
+ } CGContextRestoreGState(context);
+
+ // stroke
+ CGContextSaveGState(context); {
+ CGContextAddPath(context, path);
+ [[UIColor colorWithWhite:0.6 alpha:1] setStroke];
+ CGContextSetLineWidth(context, YYTextCGFloatFromPixel(1));
+ CGContextStrokePath(context);
+ } CGContextRestoreGState(context);
+
+ CFRelease(boxPath);
+ CFRelease(path);
+ CFRelease(arrowPath);
+
+ image = UIGraphicsGetImageFromCurrentImageContext();
+ UIGraphicsEndImageContext();
+
+ });
+ return image;
+}
+
+#undef kMultiple
+#undef kSize
+#undef kPadding
+#undef kRadius
+#undef kHeight
+#undef kArrow
+
+@end
+
+
+@implementation YYTextMagnifier
+
++ (id)magnifierWithType:(YYTextMagnifierType)type {
+ switch (type) {
+ case YYTextMagnifierTypeCaret :return [_YYTextMagnifierCaret new];
+ case YYTextMagnifierTypeRanged :return [_YYTextMagnifierRanged new];
+ }
+ return nil;
+}
+
+- (id)initWithFrame:(CGRect)frame {
+ // class cluster
+ if ([self isMemberOfClass:[YYTextMagnifier class]]) {
+ @throw [NSException exceptionWithName:NSStringFromClass([self class]) reason:@"Attempting to instantiate an abstract class. Use a concrete subclass instead." userInfo:nil];
+ return nil;
+ }
+ self = [super initWithFrame:frame];
+ return self;
+}
+
+@end
--
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