Skip to content

O
Opple-iOS
Commit faa497b2 authored by Sandy's avatar Sandy
Browse files
Options

评论添加图片

parent f54c92a9
Expand all Hide whitespace changes
Inline Side-by-side
Showing with 608 additions and 58 deletions
Class/LearningCenter/ComprehensiveDiscussion/Cells/CommentListTableViewCell.m
View file @ faa497b2
......@@ -7,7 +7,10 @@
//
#import "CommentListTableViewCell.h"
#import "MWPhotoBrowser.h"
@interface CommentListTableViewCell ()<MWPhotoBrowserDelegate>
@property (nonatomic,strong) NSMutableArray *browserArray;
@end
@implementation CommentListTableViewCell
- (void)awakeFromNib {
......@@ -23,6 +26,7 @@
for (UIImageView *obj in self.attachmentView.subviews) {
if ([obj isKindOfClass:[UIImageView class]]) {
obj.userInteractionEnabled = YES;
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapImage:)];
[obj addGestureRecognizer:tap];
}
......@@ -30,7 +34,38 @@
}
- (void)tapImage:(UIGestureRecognizer *)tap {
NSLog(@"%lu", tap.view.tag);
if (tap.view.tag + 1 > self.replyEntity.attachments.count) {
return;
}
[self.browserArray removeAllObjects];
for (TOAttachmentEntity *att in self.replyEntity.attachments) {
MWPhoto *photo = [MWPhoto photoWithURL:[NSURL URLWithString:att.fileUrl]];
[self.browserArray addObject:photo];
}
MWPhotoBrowser *browser = [[MWPhotoBrowser alloc] initWithDelegate:self];
[browser setCurrentPhotoIndex:tap.view.tag];
UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:browser];
[self.viewController.navigationController presentViewController:nav animated:YES completion:nil];
}
#pragma mark - <MWPhotoBrowserDelegate>
- (NSUInteger)numberOfPhotosInPhotoBrowser:(MWPhotoBrowser *)photoBrowser
{
return self.browserArray.count;
}
- (id<MWPhoto>)photoBrowser:(MWPhotoBrowser *)photoBrowser photoAtIndex:(NSUInteger)index
{
if (index < self.browserArray.count) {
return [self.browserArray objectAtIndex:index];
}
return nil;
}
- (NSString *)photoBrowser:(MWPhotoBrowser *)photoBrowser titleForPhotoAtIndex:(NSUInteger)index
{
return [NSString stringWithFormat:@"%ld/%ld", index + 1, self.browserArray.count];
}
#pragma mark - 选项按钮
- (IBAction)extensionButtonClickAction:(UIButton *)sender {
......@@ -59,6 +94,26 @@
self.bestView.isBest = _replyEntity.best;
self.bestView.indexPath = self.indexPath;
self.baseImageView.hidden = !_replyEntity.best;
if (replyEntity.attachments.count > 0) {
self.layoutAttHeight.constant = 164;
}else{
self.layoutAttHeight.constant = 0;
}
for (NSInteger i = 0; i < replyEntity.attachments.count; i++) {
TOAttachmentEntity *att = replyEntity.attachments[i];
UIImageView *imgView = (UIImageView *)[self.attachmentView viewWithTag:i];
[imgView sd_setImageWithURL:[NSURL URLWithString:att.fileUrl] placeholderImage:REPLACEIMAGE];
}
}
#pragma mark - lazy
- (NSMutableArray *)browserArray
{
if (!_browserArray) {
_browserArray = [NSMutableArray array];
}
return _browserArray;
}
@end
Class/LearningCenter/ComprehensiveDiscussion/Controllers/ForumItemDetailViewController.m
View file @ faa497b2
......@@ -16,6 +16,8 @@
#import "ZJKeyBoardAccessoryView.h"
#import "ForumDetailBottomView.h"
#import "OSSHelper.h"
#import "ForumCommentListViewModel.h"
#import "UIImage+Helper.h"
@interface ForumItemDetailViewController ()<UITableViewDelegate,UITableViewDataSource,UITextFieldDelegate,TapClickDelegate,ReturnTableviewcellIndexpathdelegate>
......@@ -170,7 +172,12 @@
weakSelf.commentsArray = nil;
}
weakSelf.topicReply = [[ForumReplyResponse alloc] initWithDictionary:RESPONSE(returnValue) error:nil];
[weakSelf.commentsArray addObjectsFromArray:weakSelf.topicReply.forumReplyEntity];
for (CustomTOForumReplyEntity *entity in weakSelf.topicReply.forumReplyEntity) {
ForumCommentListViewModel *model = [ForumCommentListViewModel new];
model.replyEntity = entity;
[weakSelf.commentsArray addObject:model];
}
[weakSelf setUpCommentNumber];
[weakSelf.forumDetailTableView reloadData];
}else {
......@@ -230,7 +237,8 @@
CommentListTableViewCell *commentCell = [tableView dequeueReusableCellWithIdentifier:@"CommentListTableViewCell" forIndexPath:indexPath];
commentCell.bestView.delegate = self;
commentCell.indexPath = indexPath;
commentCell.replyEntity = self.commentsArray[indexPath.row];
ForumCommentListViewModel *cellModel = self.commentsArray[indexPath.row];
commentCell.replyEntity = cellModel.replyEntity;
BOOL boolValue = ([self.topicDetail.posterId isEqualToString:[Shoppersmanager manager].shoppers.employee.fid] && [self.category.name isEqualToString:OPPLE_ASK]);
commentCell.optionButton.hidden = !boolValue;
return commentCell;
......@@ -256,9 +264,9 @@
}
break;
}
CustomTOForumReplyEntity *replyEntity = self.commentsArray[indexPath.row];
ForumCommentListViewModel *cellModel = self.commentsArray[indexPath.row];
//68为上边距 10为下边距
return replyEntity.replyContentHeight + 68 + 10;
return cellModel.height;
}
- (void)tableView:(UITableView *)tableView didEndDisplayingCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
......@@ -309,10 +317,13 @@
#pragma mark - 上传图片附件
- (void)uploadAttachments:(void(^)(NSArray *OSSKeys))finish
{
if (self.bottomView.toolView.arrSelectedPhotos.count == 0) {
finish(nil);
return;
}
NSMutableArray *OSSKeyArray = [NSMutableArray array];
for (int i=0; i<self.bottomView.toolView.arrSelectedPhotos.count; i++) {
[OSSKeyArray addObject:[OSSHelper getOSSObjectKeyWithtype:@"png" index:i]];
[OSSKeyArray addObject:[OSSHelper getOSSObjectKeyWithtype:@"jpg" index:i]];
}
XBLoadingView *loadView = [XBLoadingView showHUDViewProgressLabel:[NSString stringWithFormat:@"图片上传中:1/%ld",self.bottomView.toolView.arrSelectedPhotos.count]];
static NSInteger number = 0;
......@@ -321,7 +332,8 @@
for (int i=0;i<self.bottomView.toolView.arrSelectedPhotos.count;i++) {
UIImage *image = self.bottomView.toolView.arrSelectedPhotos[i];
NSString *ossKey = OSSKeyArray[i];
NSData *data = UIImagePNGRepresentation(image);
UIImage *newSizeImage = [image scaledToWidth:1024];
NSData *data = [newSizeImage scaledToSpaceMaxSize:200];
[OSSHelper uploadImageObjectWithKey:ossKey data:data type:OSSHelperOperationTypeSynchronous progress:^(int64_t bytesSent, int64_t totalBytesSent, int64_t totalBytesExpectedToSend) {
CGFloat totalBytesSentFloat = totalBytesSent;
CGFloat totalBytesExpectedToSendFloat = totalBytesExpectedToSend;
......@@ -394,6 +406,7 @@
[XBLoadingView hideHUDViewWithDefault];
if (RESULT(returnValue)) {
weakSelf.commentInputTextFieldView.text = nil;
[weakSelf.bottomView clearPhoto];
[XBLoadingView showHUDViewWithSuccessText:@"评论成功" completeBlock:^{
if (weakSelf.refreshBlock) {
weakSelf.refreshBlock(ONE,Comment,weakSelf.indexPath);
......
Class/LearningCenter/ComprehensiveDiscussion/ViewModels/ForumCommentListViewModel.h 0 → 100644
View file @ faa497b2
//
// ForumCommentListViewModel.h
// Lighting
//
// Created by Javen on 2017/4/18.
// Copyright © 2017年 上海勾芒科技有限公司. All rights reserved.
//
#import <Foundation/Foundation.h>
@interface ForumCommentListViewModel : NSObject
/**
回复数据源
*/
@property (nonatomic,strong) CustomTOForumReplyEntity *replyEntity;
@property (nonatomic, assign) CGFloat height;
@end
Class/LearningCenter/ComprehensiveDiscussion/ViewModels/ForumCommentListViewModel.m 0 → 100644
View file @ faa497b2
//
// ForumCommentListViewModel.m
// Lighting
//
// Created by Javen on 2017/4/18.
// Copyright © 2017年 上海勾芒科技有限公司. All rights reserved.
//
#import "ForumCommentListViewModel.h"
static UILabel *stringLabel = nil;
@implementation ForumCommentListViewModel
- (void)setReplyEntity:(CustomTOForumReplyEntity *)replyEntity {
_replyEntity = replyEntity;
self.height = 88;
if (replyEntity.attachments.count > 0) {
self.height = 88 + 164;
}
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{ //生成一个用于计算文本高度的label
stringLabel = [[UILabel alloc] init];
stringLabel.font = [UIFont systemFontOfSize:17];
stringLabel.numberOfLines = 0;
});
stringLabel.text = replyEntity.replyContent;
self.height = self.height + [stringLabel sizeThatFits:CGSizeMake(ScreenWidth - 40, MAXFLOAT)].height + 16;
NSLog(@"%f", self.height);
}
@end
Class/LearningCenter/ComprehensiveDiscussion/Views/ForumDetailBottomView.h
View file @ faa497b2
......@@ -16,4 +16,6 @@
*/
@property (strong, nonatomic) ZJKeyBoardAccessoryView *toolView;
@property (weak, nonatomic) IBOutlet NSLayoutConstraint *layoutHeight;
- (void)clearPhoto;
@end
Class/LearningCenter/ComprehensiveDiscussion/Views/ForumDetailBottomView.m
View file @ faa497b2
......@@ -54,6 +54,10 @@
return cell;
}
- (void)clearPhoto {
[self.toolView deleteAll];
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
......
Class/LearningCenter/ComprehensiveDiscussion/Views/ZJKeyBoardAccessoryView.h
View file @ faa497b2
......@@ -13,5 +13,15 @@
@property (strong, nonatomic) NSMutableArray *arrSelectedPhotos;
@property (nonatomic, copy) void (^blockFinishSelected)(void);
/**
删除指定下标的图片
@param index 下标
*/
- (void)deletePhotoWithIndex:(NSInteger)index;
/**
删除所有的图片
*/
- (void)deleteAll;
@end
Class/LearningCenter/ComprehensiveDiscussion/Views/ZJKeyBoardAccessoryView.m
View file @ faa497b2
......@@ -28,7 +28,7 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
@property (strong, nonatomic) NSMutableArray *allPhotoArray;
/**
<#Description#>
*/
@property (strong, nonatomic) NSMutableArray *mwPhotoArray;
......@@ -36,6 +36,7 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
缩略图
*/
@property (strong, nonatomic) NSMutableArray *thumbsArray;
@property (strong, nonatomic) NSMutableDictionary *cache;
@end
@implementation ZJKeyBoardAccessoryView
......@@ -100,10 +101,14 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
#pragma mark - <UIImagePickerControllerDelegate>
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *, id> *)info {
// [self.navigationController dismissViewControllerAnimated:YES completion:nil];
[picker dismissViewControllerAnimated:YES completion:nil];
UIImage *headImage = [info objectForKey:UIImagePickerControllerOriginalImage];
// [self.selectedImageArray addObject:headImage];
// [self.publishTableView reloadData];
[self.arrSelectedPhotos addObject:headImage];
if (self.blockFinishSelected) {
self.blockFinishSelected();
}
}
#pragma mark - 相册选择照片
......@@ -132,11 +137,31 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
- (void)photoBrowser:(MWPhotoBrowser *)photoBrowser photoAtIndex:(NSUInteger)index selectedChanged:(BOOL)selected {
PHAsset *currentPhoto = self.allPhotoArray[index];
if (selected) {
[self.arrSelectedAssets addObject:currentPhoto];
} else {
PHImageManager *imageManager = [PHImageManager defaultManager];
PHImageRequestOptions *options = [PHImageRequestOptions new];
options.networkAccessAllowed = YES;
options.resizeMode = PHImageRequestOptionsResizeModeFast;
options.deliveryMode = PHImageRequestOptionsDeliveryModeHighQualityFormat;
options.synchronous = YES;
WS(weakSelf);
[imageManager requestImageForAsset:currentPhoto
targetSize:CGSizeMake(ScreenWidth, ScreenHeight)
contentMode:PHImageContentModeAspectFit
options:options
resultHandler:^(UIImage *result, NSDictionary *info) {
[self.arrSelectedAssets addObject:currentPhoto];
[weakSelf.arrSelectedPhotos addObject:result];
[weakSelf.cache setObject:result forKey:currentPhoto];
}];
}else{
id result = [self.cache objectForKey:currentPhoto];
[self.arrSelectedAssets removeObject:currentPhoto];
[self.arrSelectedPhotos removeObject:result];
}
}
- (void)photoBrowserDidFinishModalPresentation:(MWPhotoBrowser *)photoBrowser {
......@@ -144,24 +169,24 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
[XBLoadingView showHUDViewWithText:@"图片最多选择3张"];
return;
}
PHImageManager *imageManager = [PHImageManager defaultManager];
PHImageRequestOptions *options = [PHImageRequestOptions new];
options.networkAccessAllowed = YES;
options.resizeMode = PHImageRequestOptionsResizeModeFast;
options.deliveryMode = PHImageRequestOptionsDeliveryModeHighQualityFormat;
options.synchronous = YES;
WS(weakSelf);
[self.arrSelectedPhotos removeAllObjects];
for (PHAsset *asset in self.arrSelectedAssets) {
[imageManager requestImageForAsset:asset
targetSize:CGSizeMake(ScreenWidth, ScreenHeight)
contentMode:PHImageContentModeAspectFit
options:options
resultHandler:^(UIImage *result, NSDictionary *info){
[weakSelf.arrSelectedPhotos addObject:result];
}];
}
//
// PHImageManager *imageManager = [PHImageManager defaultManager];
// PHImageRequestOptions *options = [PHImageRequestOptions new];
// options.networkAccessAllowed = YES;
// options.resizeMode = PHImageRequestOptionsResizeModeFast;
// options.deliveryMode = PHImageRequestOptionsDeliveryModeHighQualityFormat;
// options.synchronous = YES;
// WS(weakSelf);
// [self.arrSelectedPhotos removeAllObjects];
// for (PHAsset *asset in self.arrSelectedAssets) {
// [imageManager requestImageForAsset:asset
// targetSize:CGSizeMake(ScreenWidth, ScreenHeight)
// contentMode:PHImageContentModeAspectFit
// options:options
// resultHandler:^(UIImage *result, NSDictionary *info) {
// [weakSelf.arrSelectedPhotos addObject:result];
// }];
// }
if (self.blockFinishSelected) {
self.blockFinishSelected();
......@@ -172,7 +197,12 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
}
- (void)selectAlbumImage {
if (![BaseViewController determinePhotosPermissions]) {
UIAlertController *alertVC = [UIAlertController alertControllerWithTitle:@"提示" message:@"请在iPad的“设置-隐私-相册”选项中，允许欧立方访问你的相册" preferredStyle:UIAlertControllerStyleAlert];
[alertVC addAction:[UIAlertAction actionWithTitle:@"知道了" style:UIAlertActionStyleCancel handler:nil]];
[self.viewController presentViewController:alertVC animated:YES completion:nil];
return;
}
MWPhotoBrowser *browser = [[MWPhotoBrowser alloc] initWithDelegate:self];
browser.displayActionButton = YES;
browser.displayNavArrows = YES;
......@@ -186,10 +216,34 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
[self.viewController.navigationController presentViewController:nav animated:YES completion:nil];
}
- (void)deletePhotoWithIndex:(NSInteger)index {
[self.arrSelectedAssets removeObjectAtIndex:index];
[self.arrSelectedPhotos removeObjectAtIndex:index];
UIImage *image = self.arrSelectedPhotos[index];
//如果要删除的照片在缓存里面，那么这是相册选择的照片，需要从缓存删除
for (PHAsset *key in self.cache.allKeys) {
UIImage *cacheImage = [self.cache objectForKey:key];
if ([cacheImage isEqual:image]) {
[self.cache removeObjectForKey:key];
[self.arrSelectedAssets removeObject:key];
break;
}
}
[self.arrSelectedPhotos removeObject:image];
if (self.blockFinishSelected) {
self.blockFinishSelected();
}
}
/**
删除所有的图片
*/
- (void)deleteAll {
[self.arrSelectedAssets removeAllObjects];
[self.arrSelectedPhotos removeAllObjects];
[self.cache removeAllObjects];
if (self.blockFinishSelected) {
self.blockFinishSelected();
}
......@@ -233,6 +287,13 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
return _arrSelectedPhotos;
}
- (NSDictionary *)cache {
if (!_cache) {
_cache = [NSMutableDictionary dictionary];
}
return _cache;
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
......
Lighting.xcodeproj/project.pbxproj
View file @ faa497b2
......@@ -338,6 +338,8 @@
8F0FD1A11EA48EC500D38035 /* ForumDetailBottomView.m in Sources */ = {isa = PBXBuildFile; fileRef = 8F0FD1A01EA48EC500D38035 /* ForumDetailBottomView.m */; };
8F0FD1A41EA494EA00D38035 /* ForumDetailBottomPictureCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 8F0FD1A31EA494EA00D38035 /* ForumDetailBottomPictureCell.m */; };
8F0FD1A71EA4A8BF00D38035 /* ZJKeyBoardAccessoryView.m in Sources */ = {isa = PBXBuildFile; fileRef = 8F0FD1A61EA4A8BF00D38035 /* ZJKeyBoardAccessoryView.m */; };
8F7B45461EA61FED00E52092 /* ForumCommentListViewModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 8F7B45451EA61FED00E52092 /* ForumCommentListViewModel.m */; };
8FEF03F31EA7543F00837A64 /* UIImage+Helper.m in Sources */ = {isa = PBXBuildFile; fileRef = 8FEF03F21EA7543F00837A64 /* UIImage+Helper.m */; };
/* End PBXBuildFile section */
/* Begin PBXFileReference section */
......@@ -985,6 +987,10 @@
8F0FD1A31EA494EA00D38035 /* ForumDetailBottomPictureCell.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ForumDetailBottomPictureCell.m; sourceTree = "<group>"; };
8F0FD1A51EA4A8BF00D38035 /* ZJKeyBoardAccessoryView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ZJKeyBoardAccessoryView.h; sourceTree = "<group>"; };
8F0FD1A61EA4A8BF00D38035 /* ZJKeyBoardAccessoryView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ZJKeyBoardAccessoryView.m; sourceTree = "<group>"; };
8F7B45441EA61FED00E52092 /* ForumCommentListViewModel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ForumCommentListViewModel.h; sourceTree = "<group>"; };
8F7B45451EA61FED00E52092 /* ForumCommentListViewModel.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ForumCommentListViewModel.m; sourceTree = "<group>"; };
8FEF03F11EA7543F00837A64 /* UIImage+Helper.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "UIImage+Helper.h"; sourceTree = "<group>"; };
8FEF03F21EA7543F00837A64 /* UIImage+Helper.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "UIImage+Helper.m"; sourceTree = "<group>"; };
/* End PBXFileReference section */
/* Begin PBXFrameworksBuildPhase section */
......@@ -1777,6 +1783,8 @@
2901738A1E0A22940005F48B /* UIButton+countDown.m */,
298111101DFE674600F7EAFF /* UIImage+Fit.h */,
298111111DFE674600F7EAFF /* UIImage+Fit.m */,
8FEF03F11EA7543F00837A64 /* UIImage+Helper.h */,
8FEF03F21EA7543F00837A64 /* UIImage+Helper.m */,
2962D07F1CD1E6010058829D /* UIView+Frame.h */,
2962D0801CD1E6010058829D /* UIView+Frame.m */,
2916A7461D703A1700644C8C /* UIView+cornerRadius.h */,
......@@ -2311,6 +2319,7 @@
29C30BD71DDC1E8C00CA3E29 /* ComprehensiveDiscussion */ = {
isa = PBXGroup;
children = (
8F7B45431EA61FB700E52092 /* ViewModels */,
2999B1301DE6CD760031F79E /* Cells */,
2999B12C1DE6CD4F0031F79E /* Controllers */,
298111171DFE9F2C00F7EAFF /* Models */,
......@@ -2885,6 +2894,15 @@
name = Pods;
sourceTree = "<group>";
};
8F7B45431EA61FB700E52092 /* ViewModels */ = {
isa = PBXGroup;
children = (
8F7B45441EA61FED00E52092 /* ForumCommentListViewModel.h */,
8F7B45451EA61FED00E52092 /* ForumCommentListViewModel.m */,
);
path = ViewModels;
sourceTree = "<group>";
};
/* End PBXGroup section */
/* Begin PBXNativeTarget section */
......@@ -3095,6 +3113,7 @@
files = (
293163FA1DCE3CBA0075129D /* LuckyDrawDetailsViewController.m in Sources */,
29CC51ED1E8A011E009FBB6A /* RebateDetailsViewController.m in Sources */,
8F7B45461EA61FED00E52092 /* ForumCommentListViewModel.m in Sources */,
29045F321DCA192700E42A86 /* PromptHeaderTableViewCell.m in Sources */,
2940AE9B1DE7FE17001164B0 /* OnlineLearningDetailViewController.m in Sources */,
2986B9A31DE1D30700F4A1CF /* PromotionChooseNavigationController.m in Sources */,
......@@ -3377,6 +3396,7 @@
29834EC01CDF5E4E001A484F /* ScreeningFirstCollectionViewCell.m in Sources */,
29834EC51CDF76C1001A484F /* UserViewController.m in Sources */,
29E2D3271DB88D8B00443170 /* CardOrderInformationReusableView.m in Sources */,
8FEF03F31EA7543F00837A64 /* UIImage+Helper.m in Sources */,
2971E9841DF69F9A00256567 /* CountDownLabel.m in Sources */,
29CC51F81E8A032D009FBB6A /* LuckyDrawMainViewController.m in Sources */,
2962D06D1CD1A43A0058829D /* ClientViewController.m in Sources */,
......
Lighting/LearningCenter.storyboard
View file @ faa497b2
This diff is collapsed.
Tools/Category/UIImage+Helper.h 0 → 100644
View file @ faa497b2
//
// UIImage+Helper.h
// CXA
//
// Created by Xummer on 14-3-3.
// Copyright (c) 2014年 Xummer. All rights reserved.
//
#import <UIKit/UIKit.h>
@interface UIImage (Helper)
+ (UIImage *)getThumbnailImage:(UIImage *)image withMaxLen:(CGFloat)maxLen;
- (UIImage *)thumbnailWithMaxLen:(CGFloat)maxLen;
- (UIImage *)imageWithTintColor:(UIColor *)tintColor;
- (UIImage *)imageWithGradientTintColor:(UIColor *)tintColor;
- (UIImage *)imageWithTintColor:(UIColor *)tintColor blendMode:(CGBlendMode)blendMode;
@end
@interface UIImage (Color)
+ (UIImage *)imageWithColor:(UIColor *)color;
+ (UIImage *)imageWithColor:(UIColor *)color andSize:(CGSize)size;
+ (UIImage *)imageWithColor:(UIColor *)color andRect:(CGRect)rect;
- (UIImage *)greyScaleImage;
/**
* 图片压缩到指定大小（具体看图片大小，过大的图片无法压缩到指定大小）
*
* @param kb 压缩后图片大小
*
* @return
*/
- (NSData *)scaledToSpaceMaxSize:(NSInteger)kb;
/**
* 压缩图片到指定高宽
*
* @param newSize 新的图片尺寸
*
* @return
*/
- (UIImage *)scaledToSize:(CGSize)newSize;
/**
* 按比例压缩图片至指定宽度
*
* @param newWidth 指定宽度
*
* @return
*/
- (UIImage *)scaledToWidth:(NSInteger)newWidth;
/**
* 获取图片缩略图
*
* @param sourceImage 原始图片
* @param size 生成尺寸
*
* @return 新的图片
*/
+ (UIImage *)imageCompressForSize:(UIImage *)sourceImage targetSize:(CGSize)size;
@end
Tools/Category/UIImage+Helper.m 0 → 100644
View file @ faa497b2
//
// UIImage+Helper.m
// CXA
//
// Created by Xummer on 14-3-3.
// Copyright (c) 2014年 Xummer. All rights reserved.
//
#import "UIImage+Helper.h"
@implementation UIImage (Helper)
// if newImage's width or heigth < 1, image will be cliped
+ (UIImage *)getThumbnailImage:(UIImage *)image withMaxLen:(CGFloat)maxLen
{
CGFloat imageMaxLen, imageMinLen;
BOOL widthIsLarger = image.size.width > image.size.height;
if (widthIsLarger) {
imageMaxLen = image.size.width;
imageMinLen = image.size.height;
}
else {
imageMaxLen = image.size.height;
imageMinLen = image.size.width;
}
if (imageMaxLen > maxLen) {
CGFloat scaleFloat = maxLen/imageMaxLen;
CGFloat newImgMinL = imageMinLen * scaleFloat;
CGSize size;
if (newImgMinL < 1) {
scaleFloat = 1/imageMinLen;
if (widthIsLarger) {
size = CGSizeMake(maxLen, image.size.height * scaleFloat);
}
else {
size = CGSizeMake(image.size.width * scaleFloat, maxLen);
}
}
else {
size = CGSizeMake(image.size.width * scaleFloat,
image.size.height * scaleFloat);
}
UIGraphicsBeginImageContext(size);
CGContextRef context = UIGraphicsGetCurrentContext();
CGAffineTransform transform = CGAffineTransformIdentity;
transform = CGAffineTransformScale(transform, scaleFloat, scaleFloat);
CGContextConcatCTM(context, transform);
// Draw the image into the transformed context and return the image
[image drawAtPoint:CGPointMake(0.0f, 0.0f)];
UIImage *newimg = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return newimg;
}
else{
return image;
}
}
- (UIImage *)thumbnailWithMaxLen:(CGFloat)maxLen {
return [[self class] getThumbnailImage:self withMaxLen:maxLen];
}
- (UIImage *)imageWithTintColor:(UIColor *)tintColor {
return [self imageWithTintColor:tintColor blendMode:kCGBlendModeDestinationIn];
}
- (UIImage *)imageWithGradientTintColor:(UIColor *)tintColor {
return [self imageWithTintColor:tintColor blendMode:kCGBlendModeOverlay];
}
- (UIImage *)imageWithTintColor:(UIColor *)tintColor blendMode:(CGBlendMode)blendMode
{
//We want to keep alpha, set opaque to NO; Use 0.0f for scale to use the scale factor of the device’s main screen.
UIGraphicsBeginImageContextWithOptions(self.size, NO, 0.0f);
[tintColor setFill];
CGRect bounds = CGRectMake(0, 0, self.size.width, self.size.height);
UIRectFill(bounds);
//Draw the tinted image in context
[self drawInRect:bounds blendMode:blendMode alpha:1.0f];
if (blendMode != kCGBlendModeDestinationIn) {
[self drawInRect:bounds blendMode:kCGBlendModeDestinationIn alpha:1.0f];
}
UIImage *tintedImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return tintedImage;
}
@end
@implementation UIImage (Color)
typedef enum {
ALPHA = 0,
BLUE = 1,
GREEN = 2,
RED = 3
} PIXELS;
+ (UIImage *)imageWithColor:(UIColor *)color {
CGRect rect = CGRectMake(0.0f,0.0f,1.0f,1.0f);
return [[self class] imageWithColor:color andRect:rect];
}
+ (UIImage *)imageWithColor:(UIColor *)color andRect:(CGRect)rect {
UIGraphicsBeginImageContext(rect.size);
CGContextRef context =UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context,[color CGColor]);
CGContextFillRect(context, rect);
UIImage *image =UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
+ (UIImage *)imageWithColor:(UIColor *)color andSize:(CGSize)size {
return [[self class] imageWithColor:color andRect:(CGRect){
.origin = CGPointZero,
.size = size
}];
}
- (UIImage *)greyScaleImage {
CGSize size = [self size];
int width = size.width;
int height = size.height;
// the pixels will be painted to this array
uint32_t *pixels = (uint32_t *) malloc(width * height * sizeof(uint32_t));
// clear the pixels so any transparency is preserved
memset(pixels, 0, width * height * sizeof(uint32_t));
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
// create a context with RGBA pixels
CGContextRef context = CGBitmapContextCreate(pixels, width, height, 8, width * sizeof(uint32_t), colorSpace,
kCGBitmapByteOrder32Little | kCGImageAlphaPremultipliedLast);
// paint the bitmap to our context which will fill in the pixels array
CGContextDrawImage(context, CGRectMake(0, 0, width, height), [self CGImage]);
for(int y = 0; y < height; y++) {
for(int x = 0; x < width; x++) {
uint8_t *rgbaPixel = (uint8_t *) &pixels[y * width + x];
// convert to grayscale using recommended method: http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale
uint32_t gray = 0.3 * rgbaPixel[RED] + 0.59 * rgbaPixel[GREEN] + 0.11 * rgbaPixel[BLUE];
// set the pixels to gray
rgbaPixel[RED] = gray;
rgbaPixel[GREEN] = gray;
rgbaPixel[BLUE] = gray;
}
}
// create a new CGImageRef from our context with the modified pixels
CGImageRef image = CGBitmapContextCreateImage(context);
// we're done with the context, color space, and pixels
CGContextRelease(context);
CGColorSpaceRelease(colorSpace);
free(pixels);
// make a new UIImage to return
UIImage *resultUIImage = [UIImage imageWithCGImage:image];
// we're done with image now too
CGImageRelease(image);
return resultUIImage;
}
- (NSData *)scaledToSpaceMaxSize:(NSInteger)kb {
//压缩到100kb以内
CGFloat compression = 0.5f;
CGFloat maxCompression = 0.1f;
NSUInteger maxlength = kb * 1024;
NSData *imgData = UIImageJPEGRepresentation(self, compression);
// CLog(@"处理之前的大小--->%lukB",(unsigned long)imgData.length/1024);
while ([imgData length] > maxlength && compression > maxCompression) {
compression -= 0.1;
imgData = UIImageJPEGRepresentation(self, compression);
}
// CLog(@"处理之后的大小--->%lukB",(unsigned long)imgData.length/1024);
return imgData;
}
- (UIImage *)scaledToSize:(CGSize)newSize {
UIGraphicsBeginImageContextWithOptions(newSize, YES, 0);
[self drawInRect:CGRectMake(0, 0, newSize.width, newSize.height)];
UIImage *scaledImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return scaledImage;
}
- (UIImage *)scaledToWidth:(NSInteger)newWidth {
CGSize newSize = CGSizeMake(newWidth, newWidth / self.size.width * self.size.height);
UIGraphicsBeginImageContextWithOptions(newSize, YES, 0);
[self drawInRect:CGRectMake(0, 0, newSize.width, newSize.height)];
UIImage *scaledImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return scaledImage;
}
#pragma mark - 获取缩略图
+ (UIImage *)imageCompressForSize:(UIImage *)sourceImage targetSize:(CGSize)size
{
UIImage *newImage = nil;
CGSize imageSize = sourceImage.size;
CGFloat width = imageSize.width;
CGFloat height = imageSize.height;
CGFloat targetWidth = size.width;
CGFloat targetHeight = size.height;
CGFloat scaleFactor = 0.0;
CGFloat scaledWidth = targetWidth;
CGFloat scaledHeight = targetHeight;
CGPoint thumbnailPoint = CGPointMake(0.0, 0.0);
if(CGSizeEqualToSize(imageSize, size) == NO){
CGFloat widthFactor = targetWidth / width;
CGFloat heightFactor = targetHeight / height;
if(widthFactor > heightFactor){
scaleFactor = widthFactor;
}
else{
scaleFactor = heightFactor;
}
scaledWidth = width * scaleFactor;
scaledHeight = height * scaleFactor;
if(widthFactor > heightFactor){
thumbnailPoint.y = (targetHeight - scaledHeight) * 0.5;
}else if(widthFactor < heightFactor){
thumbnailPoint.x = (targetWidth - scaledWidth) * 0.5;
}
}
UIGraphicsBeginImageContextWithOptions(size, NO, 3.0);
CGRect thumbnailRect = CGRectZero;
thumbnailRect.origin = thumbnailPoint;
thumbnailRect.size.width = scaledWidth;
thumbnailRect.size.height = scaledHeight;
[sourceImage drawInRect:thumbnailRect];
newImage = UIGraphicsGetImageFromCurrentImageContext();
if(newImage == nil){
NSLog(@"scale image fail");
}
UIGraphicsEndImageContext();
return newImage;
}
@end
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment