“我”的学习笔记

2 Comments

1. wait121000 说：

   2010年01月17日于8:20 上午

   看到你收藏了dota replay parser,其中有一句感言对我有用,我给你发邮件了，我邮箱是[email protected]
2. Cynric 说：

   2010年08月23日于3:20 上午

   请教一个问题，最近在做一个项目。一个类似电子杂志的项目。因为客户需求，如果用pdf做的话怕影响效率。就把pdf转成分辨率较高的图片，一次读取三个，这样画面上最多就加载三个图片。我使用了UIScrollView的嵌套，一个负责缩放，一个负责翻页。现在的问题是，当负责缩放的View的zoomScale放大的时候，划过屏幕相应的第一个事件是翻页，而不是移动当前的画面。请教如何解决。附上代码：//
   // MagazineTestViewController.m
   // MagazineTest
   //
   // Created by Cynric on 10-8-20.
   // Copyright __MyCompanyName__ 2010. All rights reserved.
   //

   #import “MagazineTestViewController.h”
   #import “Manager.h”

   @implementation MagazineTestViewController
   @synthesize scrollView;

   /*
   // The designated initializer. Override to perform setup that is required before the view is loaded.
   - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
   if ((self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil])) {
   // Custom initialization
   }
   return self;
   }
   */

   /*
   // Implement loadView to create a view hierarchy programmatically, without using a nib.
   - (void)loadView {
   }
   */

   // Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
   - (void)viewDidLoad {
   [super viewDidLoad];

   // scrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0,0,768,1024)];

   self.view.backgroundColor = [UIColor viewFlipsideBackgroundColor];
   [scrollView setCanCancelContentTouches:NO];
   scrollView.indicatorStyle = UIScrollViewIndicatorStyleWhite;
   scrollView.clipsToBounds = YES;
   scrollView.scrollEnabled = YES;
   scrollView.pagingEnabled = YES;

   //[self.view addSubview:scrollView];

   NSUInteger i;

   CGFloat curXLoc = 0;

   for (i = 1; i <= 5; i++)
   {
   // setup each frame to a default height and width, it will be properly placed when we call "updateScrollList"
   CGRect frame = CGRectMake(curXLoc, 0, 768, 1000);
   // frame.origin = CGPointMake(curXLoc, 0);
   curXLoc += (768);
   //imageView.tag = i; // tag our images for later use when we place them in serial fashion

   UIScrollView *imgScroller = [[UIScrollView alloc] initWithFrame:frame];

   //UIImage *image = [Manager getImageNoCache:[NSString stringWithFormat:@"002%d.png", i]];

   CGRect rectForImage = CGRectMake(0, 0, 768, 1000);
   UIImageView *imageView = [[UIImageView alloc] initWithFrame:rectForImage];
   imageView.tag = i;
   // [imgScroller]

   // imgScroller.scrollEnabled = YES;
   // imgScroller.pagingEnabled = YES;

   imgScroller.contentSize = CGSizeMake(768, 1000);// rectForImage.size;

   [scrollView addSubview:imgScroller];

   imgScroller.minimumZoomScale = imgScroller.frame.size.width/imageView.frame.size.width;

   imgScroller.maximumZoomScale = 2.0;

   imgScroller.delegate = self;
   imgScroller.tag = 500+i;

   imgScroller.zoomScale = imgScroller.minimumZoomScale;
   NSLog(@"size width: %f",imgScroller.contentSize.width);
   [imgScroller addSubview:imageView];

   [imgScroller release];
   [imageView release];
   }

   scrollView.delegate = self;
   scrollView.tag = 10000;

   UIScrollView *currentScroller = (UIScrollView *)[scrollView viewWithTag:500+1];

   UIImageView *currentView = (UIImageView *)[currentScroller viewWithTag:1];
   currentView.image = [Manager getImageNoCache:[NSString stringWithFormat:@"002%d.png", 1]];

   [scrollView setContentSize:CGSizeMake(5 * 768, 1000)];

   }

   // Override to allow orientations other than the default portrait orientation.
   - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
   return YES;
   }

   - (void)didReceiveMemoryWarning {
   // Releases the view if it doesn't have a superview.
   [super didReceiveMemoryWarning];

   // Release any cached data, images, etc that aren't in use.
   }

   - (void)viewDidUnload {
   // Release any retained subviews of the main view.
   // e.g. self.myOutlet = nil;
   }

   #pragma mark delegate method

   - (UIView *)viewForZoomingInScrollView:(UIScrollView *)ascrollView
   {
   if(ascrollView.tag !=10000)
   {
   return ascrollView;
   }
   else {
   return nil;
   }

   }

   - (void)scrollViewWillBeginDragging:(UIScrollView *)ascrollView
   {
   if (ascrollView.tag != 10000) {
   // return ;
   }

   NSInteger currentPage = (NSInteger)(ascrollView.contentOffset.x/768)+1;
   NSLog(@"Begin : currentPage = %d",currentPage);
   if (currentPage = 6) {
   UIScrollView *lastScroller = (UIScrollView *)[ascrollView viewWithTag:500+4];
   UIImageView *lastImageView = (UIImageView *)[lastScroller viewWithTag:4];
   lastImageView.image = [Manager getImageNoCache:[NSString stringWithFormat:@"002%d.png", 4]];

   } else {
   UIScrollView *lastScroller = (UIScrollView *)[ascrollView viewWithTag:500+currentPage-1];
   UIImageView *lastImageView = (UIImageView *)[lastScroller viewWithTag:currentPage-1];
   NSString *tmpStr = [NSString stringWithFormat:@"002%d.png",currentPage-1];
   // lastImageView.image = [Manager getImageNoCache:[NSString stringWithFormat:@"%@", tmpStr]];
   lastImageView.image = [UIImage imageNamed:tmpStr];

   UIScrollView *nextScroller = (UIScrollView *)[ascrollView viewWithTag:500+currentPage+1];
   UIImageView *nextImageView = (UIImageView *)[nextScroller viewWithTag:currentPage+1];
   NSString *tmpStr1 = [NSString stringWithFormat:@"002%d.png",currentPage+1];
   // nextImageView.image = [Manager getImageNoCache:[NSString stringWithFormat:@"%@", tmpStr1]];
   nextImageView.image = [UIImage imageNamed:tmpStr1];

   }
   }

   - (void)scrollViewDidEndDecelerating:(UIScrollView *)ascrollView
   {
   NSInteger currentPage = (NSInteger)(ascrollView.contentOffset.x/768)+1;
   NSLog(@”End : currentPage = %d”,currentPage);
   for (NSInteger i = 1; i <= 5; i++) {
   if (i != currentPage) {
   UIScrollView *currentScroller = (UIScrollView *)[ascrollView viewWithTag:500+i];

   UIImageView *otherImageView = (UIImageView *)[currentScroller viewWithTag:i];
   otherImageView.image = nil;
   }
   }
   UIScrollView *currentScrollerView = (UIScrollView *)[ascrollView viewWithTag:500+currentPage];

   UIImageView *currentView = (UIImageView *)[currentScrollerView viewWithTag:currentPage];
   if (currentView.image == nil) {
   // NSString *tmpStr = [NSString stringWithFormat:@"fxjyogapic%d.png",currentPage+1];
   currentView.image = [Manager getImageNoCache:[NSString stringWithFormat:@"002%d.png", currentPage]];
   //currentView.image = [UIImage imageNamed:[NSString stringWithFormat:@"fxjofficeExciresebg%d.png",currentPage+1]];
   }
   }

   - (void)scrollViewDidScrollToTop:(UIScrollView *)ascrollView
   {
   NSLog(@"Scrolling tag:%d",ascrollView.tag);
   }

   - (void)scrollViewDidEndZooming:(UIScrollView *)scrollView withView:(UIView *)view atScale:(float)scale
   {

   }

   - (void)dealloc {
   [super dealloc];
   }

   @end