how to draw text on a image
Hi all... I have a UIView that i want to pres a button and then i will have a text box or a label that the user can change and move... Any one know where to start? ...
uiimage
Storing GIF's in SQLlite on iphone
Hi, I am looking for some advice on the best strategy for getting / putting GIF files in an SQLlite Database and how to initialize the ImageView. I have images stored on URLs that can be downloaded but I'm not sure the best method to get them stored into the SQlite database. should it be NSURLRequest - NSData - BLOB then retrieve ...
Resize and saving an image to disk in Monotouch
I'm trying to resize an image loaded from disk - a JPG or PNG (I don't know the format when I load it) - and then save it back to disk. I've got the following code which I've tried to port from objective-c, however I've got stuck on the last parts. Original Objective-C. This may not be the best way of achieving what I want to do - any...
Entity Data Model (edmx) services returning sql server 2008 image type as binary access by iPhone SDK through NSURLConnection
I have a sql image type field coming back in an EDM (Entity Data Model) .NET service call. The image field is stored as binary in sql server 2008. However, I'm not sure what is happening to the image data, or what type of encoding. And since the webservices are generated behind the scenes, I can’t figure out if the service is doing somet...
draw an uiimage with in the user specified coordinates
i am new to this core graphics or cv . I need a little help here. Can you plz guide me how to draw an image using openGL ES with my own cordinates or any other idea... consider my points are topleft (40,160) topRight(80,160) bottomLeft(0,40) bottomRight(160,40) i want my image to be drawn with in these points..... Plz help me... i w...
Xcode: How to change Image on Touching at an Image (same Position)?
Simply, I have placed an image with the Interface Builder in a UIView. Now I want to run a method/function when I am touching that image, for example when another image should be loaded. My Code: - (void)touchesended:(NSSet*) touches withEvent:(UIEvent *)event { // UITouch *touch = [touch anyObject]; bild_1_1.image = [UIImage...
Add shadow to UIImage drawn in rounded path
I'm drawing a rounded image in a UITableView cell like so: CGRect imageRect = CGRectMake(8, 8, 40, 40); CGFloat radius = 3; CGFloat minx = CGRectGetMinX(imageRect); CGFloat midx = CGRectGetMidX(imageRect); CGFloat maxx = CGRectGetMaxX(imageRect); CGFloat miny = CGRectGetMinY(imageRect); CGFloat midy = CGRectGetMidY(imageRect); CGFloat ...
pulling an UIImage from a UITextView or UILabel gives white image
Hello all, I need to grab an UIImage from a UITextView or UILabel. I've got a method that will pull an image successfully from other types of views ( [UIViewController view], MKMapView, UIButtons) but I am just getting a white rect for my UITextView. I've been banging my head against the wall for a while and suspect something really, r...
Is it possible to use PVRTVC textures in UIImages?
I'm running into some issues with having a lot of UIImages in memory, so I was wondering if there is any way of using PVRTC images instead of PNGs in UIImages. ...
Creating a horizontal line
I have two labels that are stacked. If I want a horizontal line between them, is there any other way besides using an image with a UIImageView? ...
one more question on sqlite3 for iphone..sorry*
let's say i am trying to save an image selected from photo library to database..is the following code correct? Snap.m - (void) addSnap { if(addStmt == nil) { const char *sql = "insert into Snap(snapTitle, snapDesc, snapImage) Values(?, ?, ?)"; if(sqlite3_prepare_v2(database, sql, -1, &addStmt, NULL) != SQLITE_OK) NSAssert1(0,...
CGContextDrawImage is giving an Error in device and running in simulator without any error
My following code is giving the error: UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); CGImageRef inImage = viewImage.CGImage; CGContextRef cgctx = [self createARGBBitmapContextFromImage:inImage]; if (cgctx == NULL) { return nil; /* error */ } size_t w = CGImageGetWidth(inImage); size...
UIImageView is clipping a pixel of the bottom of my UIImage...?
I'm not sure what might be causing this, but UIImageView occasionally clips off about a pixel or 2 from the bottom of some square/rectangular UIImages I'm using as subviews for UITableViewCells. These UIImageViews are well within the borders of the cell, so it shouldn't be due to cliptobounds. There seems to be no consistency or pattern ...
Reason why UIImageView gives me a 'distorted' image sometimes
I have a custom UIView with a UILabel and a UIImageView subview. (tried using UIImageView subclass aswell). I assign an image to it and add the view to the screen. I wrote a function which adds the amount of LetterBoxes to the screen as there are letters in the word: - (void)drawBoxesForWord:(NSString *)word { if(boxesContainer == nil) ...
how to retrieve image from sqlite3?
sorry guys..i know i had been asking alot of question..but ironically few has given me solution, and so now i really need a solution to the final part of my app?how to i retrieve image from sqlite to be display in the uiimageview?with conversion... NSData *imgData = [[NSData alloc] initWithBytes:sqlite3_column_blob(selectstmt, 3) length...
How to change the UIImage of a UIImageView from a subview?
I want to change an image on a view, from a popup dialog of 4-6 icons (imagine like changing your image on a messenger application). The way I implement this modal popup is by creating a new view at IB, with opacity on the background, and then I load this as a subview: IconsViewController *iconsViewController = [[IconsViewController...
How does UIImage work in low-memory situations?
According to the UIImage documentation: In low-memory situations, image data may be purged from a UIImage object to free up memory on the system. Does anyone know how this works? It appears that this process is completely transparent and will occur in the background with no input from me, but I can't find any definitive documentati...
Problem releasing UIImageView after adding to UIScrollView
I'm having a memory problem related to UIImageView. After adding this view to my UIScrollView, if I try to release the UIImageView the application crashes. According to the stack trace, something is calling [UIImageView stopAnimating] after [UIImageView dealloc] is called. However, if I don't release the view the memory is never freed up...
objective-C : Change a UIImage programatically
hi, i have 2 UIImage and a UISwitch, when the switch is on, image 1 appear and when the switch is off the image 2 appear... any ideas? thanks ...
Do we need to release an UIImage object even not allocated memory?
Hi Guys, I added an image to button UIImage* deleteImage = [UIImage imageNamed:@"Delete.png"]; CGRect imageFrame=CGRectMake(-4,-4, 310, 55); [btn setFrame:imageFrame]; btn.backgroundColor=[UIColor clearColor]; [btn setBackgroundImage:deleteImage forState:UIControlStateNormal]; [btn setTitle:@"Delete" forState:UIControlStateNormal]; [bt...