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//
// ReadCollectionCell.m
// UICollectionVIewDemo
//
// Created by HD on 16/7/12.
// Copyright © 2016年 hongli. All rights reserved.
//
#import "ReadCollectionCell.h"
#import "BookModel.h"
@implementation ReadCollectionCell
- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
self.backgroundColor = [UIColor whiteColor];
self.imageView = [[UIImageView alloc]init];
self.imageView.clipsToBounds = YES;
self.imageView.contentMode = UIViewContentModeScaleAspectFill;
[self addSubview:self.imageView];
self.bookNameLabel = [[UILabel alloc]init];
self.bookNameLabel.textAlignment = NSTextAlignmentCenter;
[self addSubview:self.bookNameLabel];
self.txtBookName = [[UILabel alloc]init];
self.txtBookName.textAlignment = NSTextAlignmentCenter;
[self addSubview:self.txtBookName];
self.txtSign = [[UILabel alloc]init];
//self.txtSign.textAlignment = NSTextAlignmentRight;
[self addSubview:self.txtSign];
}
return self;
}
// 系统api
- (void)layoutSubviews
{
[super layoutSubviews];
CGFloat titleHeight = 20;
self.imageView.frame = CGRectMake(0, 0, CGRectGetWidth(self.frame), CGRectGetHeight(self.frame)-titleHeight);
self.bookNameLabel.frame = CGRectMake(self.imageView.frame.origin.x, CGRectGetMaxY(self.imageView.frame), CGRectGetWidth(self.frame), titleHeight);
self.txtBookName.frame = CGRectMake(self.imageView.frame.origin.x, CGRectGetMaxY(self.imageView.frame)/4, CGRectGetWidth(self.frame), titleHeight);
self.txtSign.frame = CGRectMake(0, CGRectGetMaxY(self.imageView.frame)-titleHeight, CGRectGetWidth(self.frame), titleHeight);
}
// 自定义方法
- (void)configBookCellModel:(BookModel *)model
{
UIImage *coverimg = nil;
if(model.bookType == BookTypePDF){
NSString* fileStr = [[NSBundle mainBundle] pathForResource:model.bookName ofType:@"pdf"];
CGPDFDocumentRef pdfDocumentRef = [self pdfRefByFilePath:fileStr];
coverimg = [self imageFromPDFWithDocumentRef:pdfDocumentRef];
[self.txtBookName setHidden:YES];
[self.txtSign setHidden:YES];
}else if (model.bookType==BookTypeTXT){
self.imageView.backgroundColor = [UIColor colorWithRed:50/255.0 green:155/255.0 blue:213/255.0 alpha:1.0];
self.txtSign.text = @"TXT";
self.txtBookName.text = model.bookName;
}else{
//解压epub文件
[LSYReadModel getLocalModelWithURL:[[NSBundle mainBundle] URLForResource:model.bookName withExtension:@"epub"]];
coverimg = [UIImage imageWithContentsOfFile:[[NSUserDefaults standardUserDefaults]stringForKey:model.bookName]];
if(coverimg==nil){
self.imageView.backgroundColor = [UIColor colorWithRed:20/255.0 green:155/255.0 blue:213/255.0 alpha:1.0];
self.txtSign.text = @"EPUB";
self.txtBookName.text = model.bookName;
}
}
//添加边框
self.imageView.image = coverimg;
[self.imageView.layer setBorderColor: [[UIColor blackColor] CGColor]];
[self.imageView.layer setBorderWidth: 1.0];
self.bookNameLabel.text = model.bookName;
self.txtSign.textColor = [UIColor whiteColor];
// 这里只是说明BookType 用途，按正常的应该是解压epub 格式或者初始化pdf 之后 截图保存本地，然后把对应的封面存到数据，取值的时候直接使用 cover 这个属性
}
// 下面的方法应该放在一个工具类里面
//获取PDF封面
- (UIImage *)imageFromPDFWithDocumentRef:(CGPDFDocumentRef)documentRef {
CGPDFPageRef pageRef = CGPDFDocumentGetPage(documentRef, 1);
CGRect pageRect = CGPDFPageGetBoxRect(pageRef, kCGPDFCropBox);
UIGraphicsBeginImageContext(pageRect.size);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextTranslateCTM(context, CGRectGetMinX(pageRect),CGRectGetMaxY(pageRect));
CGContextScaleCTM(context, 1, -1);
CGContextTranslateCTM(context, -(pageRect.origin.x), -(pageRect.origin.y));
CGContextDrawPDFPage(context, pageRef);
UIImage *finalImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return finalImage;
}
//获取本地的PDF文件
- (CGPDFDocumentRef)pdfRefByFilePath:(NSString *)aFilePath
{
CFStringRef path;
CFURLRef url;
CGPDFDocumentRef document;
path = CFStringCreateWithCString(NULL, [aFilePath UTF8String], kCFStringEncodingUTF8);
url = CFURLCreateWithFileSystemPath(NULL, path, kCFURLPOSIXPathStyle, NO);
document = CGPDFDocumentCreateWithURL(url);
CFRelease(path);
CFRelease(url);
return document;
}
@end