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• Ajax Content Loading(Processing) image or indicator

  - by Arny

  Hi there, in part of my web page, I have couple of asp:image Thumbnails, onclick I use ajax modal popup extender to show the imgae in full size which are working fine, what I need to add is to have a processing image or indicator both in thumbnail and modal popup extender, I also have ajax autocomplete that is working fine, I need to add some indicator or processing image to it as soon as user start typing a word. any idea? Thanks in advance

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• how to show image popup

  - by shamim

  http://www.kampyle.com/software-feedback-analytics On this url clicking on image it's become popup ,clicking on popup image show the next one .how to do it?*when popup show feedbace image on right corner does not hide.*how to do it? *I also want to know this process name?*

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• ASP.NET Repeater Causing JQuery Image Slider

  - by Bry4n

  I have a jquery Image slider in a content page that worked fine. Once I converted it into a asp repeater the first image of the repeater would display twice, then run normally. Any idea on why the repeater is causing this? I think I discovered that the first image link <ItemTemplate> <a href='<%#Eval("Url")%>'> <img src='<%#Eval("Image")%>' alt="Spring Break 2011" rel='<h3><%#Eval("Title")%></h3><%#Eval("Caption")%>'/></a> </ItemTemplate> I have to place class="show" in the first item only. Does anyone know how to implement this during the first time it goes through. Hmm

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• slicing up a very big jpg map image , 140000*125000 pixel

  - by sirvan

  hi i want to write a mapviewer, i must to work small tile of big map image file and there is need to tiling the big image, the problem now is to tiling big image to small tiles (250 * 250 pixel or like this size) so on, i used ImageMagic program to do it but there was problem now is any other programing method or application that do tiling? can i do it with JAI in java? how?

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• Convert bitmap image information into CGImage in iPhone OS 3

  - by giftederic

  I want to create a CGImage with the color information I already have Here is the code for converting the CGImage to CML, CML_color is a matrix structure - (void)CGImageReftoCML:(CGImageRef *)image destination:(CML_color &)dest{ CML_RGBA p; NSUInteger width=CGImageGetWidth(image); NSUInteger height=CGImageGetHeight(image); CGColorSpaceRef colorSpace=CGColorSpaceCreateDeviceRGB(); unsigned char *rawData=new unsigned char[height*width*4]; NSUInteger bytesPerPixel=4; NSUInteger bytesPerRow=bytesPerPixel*width; NSUInteger bitsPerComponent=8; CGContextRef context=CGBitmapContextCreate(rawData, width, height, bitsPerComponent, bytesPerRow, colorSpace, kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big); CGColorSpaceRelease(colorSpace); CGContextDrawImage(context, CGRectMake(0, 0, width, height), image); CGContextRelease(context); int index=0; for (int i=0; i<height; i++) { for (int j=0; j<width; j++) { p.red=rawData[index++]; p.green=rawData[index++]; p.blue=rawData[index++]; p.alpha=rawData[index++]; dest(i,j)=p; } } delete[] rawData; } Now I want the reverse function, which converts CML into CGImage. I know all the color and alpha information to create the image, which stored in the matrix CML, but how can I do that?

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• Python: Retrieve Image from MSSQL

  - by KoRkOnY

  Dear All, I'm working on a Python project that retrieves an image from MSSQL. My code is able to retrieve the images successfully but with a fixed size of 63KB. if the image is greater than that size, it just brings the first 63KB from the image! The following is my code: #!/usr/bin/python import _mssql mssql=_mssql.connect('<ServerIP>','<UserID>','<Password>') mssql.select_db('<Database>') x=1 while x==1: query="select TOP 1 * from table;" if mssql.query(query): rows=mssql.fetch_array() rowNumbers = rows[0][1] #print "Number of rows fetched: " + str(rowNumbers) for row in rows: for i in range(rowNumbers): FILE=open('/home/images/' + str(row[2][i][1]) + '-' + str(row[2][i][2]).strip() + ' (' + str(row[2][i][0]) + ').jpg','wb') FILE.write(row[2][i][4]) FILE.close() print 'Successfully downloaded image: ' + str(row[2][i][0]) + '\t' + str(row[2][i][2]).strip() + '\t' + str(row[2][i][1]) else: print mssql.errmsg() print mssql.stdmsg() mssql.close()

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• Dynamically pixelate an html image element

  - by Chris Armstrong

  I'm to take an image on a webpage, and then use javascript (or whatever would be best suited) to dynamically 'pixelate' it (e.g. into 20px squares). Then, as the user scrolls down the page, I need the image to gradually increase in resolution, till it is no longer pixelated. Any ideas how I could go about doing this? I realise I could use php to resize an image and several times and just switch out the image, but that would require loading several extra images. Also, I know I could probably do the effect with flash & pixelbender, but I want to achieve it within the limitations of HTML5, CSS & Javascript if possible. Appreciate any thoughts!

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• Setting image DPI in relation to height/width C#

  - by Aaron

  Hi, I'm writing an application to send some images to a third party, and the images must be 200x200 DPI. The image is a Bitmap and is sized at 500 width and 250 height. The first time I tested the images with the third party, my resolution was incorrect. I merely used image.SetResolution(200,200) to correctly set it to 200x200. This, however, only changed the resolution tag for the image and did not properly, according to my third party technical contact, adjust the image height and width. Is there a ratio that I can use so that for each X units I increment the resolution, I merely increment the corresponding height or width Y units? I thought that I could just increment resolution without having to increment height or width. Thank you, Aaron.

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• Silverlight: Relative position textbox on backgoutnd image.

  - by Mendy

  I have an background-image that drew a from with textboxes. I want to place no the image a transparent textboxex, that will be exactly on the place that they are in the picture. The problem is that the picture is resizable, that mean that the textboxex need to be in a relative to the image. The height, width, left and top will be all relative. What good options do I have?

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• CSS - Colorizing Grayscale Image

  - by Steve

  In CSS, is there a standard way to colorize or apply a tint to a grayscale image? I would like to create a grayscale image to show focus over an element, and allow the color of the focus to be configurable by colorizing the grayscale image. Thanks

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• A Python Wrapper for Shutterfly. Uploading an Image

  - by iJames

  I'm working on a Django app in which I want to order prints through Shutterfly's Open API: http://www.shutterfly.com/documentation/start.sfly So far I've been able to build the appropriate POSTs and GETs using the modules and suggested code snippets including httplib, httplib2, urllib, urllib2, mimetype, etc. But I'm stuck on the image uploading when placing an order (the ordering process is not the same process as uploading images to albums which I haven't tried.) From what I can tell, I'm supposed to basically create the multipart form data by concatenating the HTTP request body together with the binary data of the image. I take the strings: --myuniqueboundary1273149960.175.1 Content-Disposition: form-data; name="AuthenticationID" auniqueauthenticationid --myuniqueboundary1273149960.175.1 Content-Disposition: file; name="Image.Data"; filename="1_41_orig.jpg" Content-Type: image/jpeg and I put this data into it and end with the final boundary: ...\xb5|\xf88\x1dj\t@\xd9\'\x1f\xc6j\x88{\x8a\xc0\x18\x8eGaJG\x03\xe9J-\xd8\x96[\x91T\xc3\x0eTu\xf4\xaa\xa5Ty\x80\x01\x8c\x9f\xe9Z\xad\x8cg\xba# g\x18\xe2\xaa:\x829\x02\xb4["\x17Q\xe7\x801\xea?\xad7j\xfd\xa2\xdf\x81\xd2\x84D\xb6)\xa8\xcb\xc8O\\\x9a\xaf(\x1cqM\x98\x8d*\xb8\'h\xc8+\x8e:u\xaa\xf3*\x9b\x95\x05F8\xedN%\xcb\xe1B2\xa9~Tw\xedF\xc4\xfe\xe8\xfc\xa9\x983\xff\xd9... That ends up making it look like this (when I use print to debug): ... --myuniqueboundary1273149960.175.1 Content-Disposition: file; name="Image.Data"; filename="1_41_orig.jpg" Content-Type: image/jpeg ????q?ExifMM* ? ??(1?2?<??i?b?NIKON CORPORATIONNIKON D40HHQuickTime 7.62009:02:17 13:05:25Mac OS X 10.5.6%??????"?'??0220?????? ???? ? ?|_???,b???50??5 ... --myuniqueboundary1273149960.175.1-- My code for grabbing the binary data is pretty much this: filedata = open('myjpegfile.jpeg','rb').read() Which I then add to the rest of the body. I've see something like this code everywhere. I'm then using this to post the full request (with the headers too): response = urllib2.urlopen(request).read() This seems to me to be the standard way that form POSTS with files happens. Am I missing something here? At some point I might be able to make this into a library worth posting up on github, but this problem has stopped me cold in my tracks. Thanks for any insight!

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• Sometimes UIImageView seems to reject the image taken with iPhone Camera

  - by maxbareis

  Hi, it is very strange, because this error doesn't happen all the time... I have the following code: - (IBAction)getPhoto:(id)sender { UIImagePickerController * picker = [[UIImagePickerController alloc] init]; picker.delegate = self; #if TARGET_IPHONE_SIMULATOR picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; #else picker.sourceType = UIImagePickerControllerSourceTypeCamera; #endif [self presentModalViewController:picker animated:YES]; } with the corresponding delegated selector - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info { UIImage *image = [[info objectForKey:@"UIImagePickerControllerOriginalImage"] imageByScalingToSize:CGSizeMake(480, 320)]; [[self imageView] setImage:image]; [picker dismissModalViewControllerAnimated:YES]; } strange thing is, somtimes the image appears in imageView and sometimes not. I have called (gdb) po UIImagePNGRepresentation(image) right after setImage and stuffed the output into a file. The file is a perfect png. Has anyone experienced the same? Has anyone found a solution for it? Thanks in advance Max

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• image submit button passing value

  - by air

  I have one image submit button like this <input id="enter" name="enter" type="image" value="Login" src="images/btn_login.jpg"/> once i click on this image i got following values enter.x=39&enter.y=11 but i want to get enter=Login on submit how to get enter value as login on submit? Thanks

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• Creating an image of an Android phone

  - by Danny

  Does anyone know how to create a 1:1 disk image of an Android phone? I am taking a forensics course and our final project involves creating tools to recover information from a suspect's Android based phone, however to do this we need to be able to create a 1:1 image of the phone's disk for baseline comparisons. Also would the image be loadable into AVD?

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• WPF: Image cilck event

  - by user279244

  I can find only MouseDown Event and MouseUp Event on a image in WPF. This causes some problem if I do MouseDown on some Image, Move the mouse and MouseUp event happens on some other image. Is there any other event that I can use to solve this problem. like MouseClick Event for Button element.

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• rotate an image aroound a point

  - by Girish

  Hi all, I have an image which is of rectangular dimension, eg 30 x 60 pixels I want to rotate this image around the bottom center of the image, i.e i want to set the pivot in the above example as (15, 60 )pixel. I am using a drawble and matrix to get this done, whatever i try i always end up rotating around center of the image. Code is : Bitmap bitmapOrg = BitmapFactory.decodeFile("/sdcard/DCIM/2010-06-01_15-32-42_821.jpg"); // float angle = (angle + 10.0f)%360.0f; if(null !=bitmapOrg) { int width = bitmapOrg.getWidth(); int height = bitmapOrg.getHeight(); int newWidth = 15; int newHeight = 15; // calculate the scale - in this case = 0.4f float scaleWidth = ((float) newWidth) / width; float scaleHeight = ((float) newHeight) / height; /* Canvas c = new Canvas(bitmapOrg); float px = ; float py; c.rotate(angle, px, py)*/ // createa matrix for the manipulation Matrix matrix = new Matrix(); // resize the bit map matrix.postScale(scaleWidth, scaleHeight); // rotate the Bitmap // matrix.postRotate(45); // recreate the new Bitmap Bitmap resizedBitmap = Bitmap.createBitmap(bitmapOrg, 0, 0, width, height, matrix, true); // make a Drawable from Bitmap to allow to set the BitMap // to the ImageView, ImageButton or what ever BitmapDrawable bmd = new BitmapDrawable(resizedBitmap); ImageView imageView = new ImageView(this); // set the Drawable on the ImageView imageView.setImageDrawable(bmd); // center the Image imageView.setScaleType(ScaleType.CENTER); // imageView.layout(100, 300, 0, 0); // linLayout.addView(imageView); // add ImageView to the Layout linLayout.addView(imageView, new AbsoluteLayout.LayoutParams( LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, 10, 30 ) ); can anyone let me know how to get this rectified?

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• Setting UITableViewCell button image values during scrolling

  - by Rob

  I am having an issue where I am trying to save whether a repeat image will show selected or not (it is created as a UIButton on a UITableViewCell created in IB). The issue is that since the cell gets re-used randomly, the image gets reset or set somewhere else after you start scrolling. I've looked all over and the advice was to setup an NSMutableArray to store the button's selection state and I am doing that in an array called checkRepeatState My question is: where do I put the if-then-else statement in the code to where it will actually change the button image based on if the checkRepeatState is set to 0 or 1 for the given cell that is coming back into view? Right now, the if-then-else statement I am using has absolutely no effect on the button image when it comes into view. I'm very confused at this point. Thank you ahead of time for any insight you can give!!! My code is as follows: - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { // set up the cell static NSString *CellIdentifier = @"PlayerCell"; PlayerCell *cell = (PlayerCell *)[tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (!cell) { [[NSBundle mainBundle] loadNibNamed:@"PlayerNibCells" owner:self options:nil]; cell = tmpCell; self.tmpCell = nil; NSLog(@"Creating a new cell"); } // Display dark and light background in alternate rows -- see tableView:willDisplayCell:forRowAtIndexPath:. cell.useDarkBackground = (indexPath.row % 2 == 0); // Configure the data for the cell. NSDictionary *dataItem = [soundCategories objectAtIndex:indexPath.row]; UILabel *label; label = (UILabel *)[cell viewWithTag:1]; label.text = [dataItem objectForKey:@"AnimalName"]; label = (UILabel *)[cell viewWithTag:2]; label.text = [dataItem objectForKey:@"Description"]; UIImageView *img; img = (UIImageView *)[cell viewWithTag:3]; img.image = [UIImage imageNamed:[dataItem objectForKey:@"Icon"]]; NSInteger row = indexPath.row; NSNumber *checkValue = [checkRepeatState objectAtIndex:row]; NSLog(@"checkValue is %d", [checkValue intValue]); // Reusing cell; make sure it has correct image based on checkRepeatState value UIButton *repeatbutton = (UIButton *)[cell viewWithTag:4]; if ([checkValue intValue] == 1) { NSLog(@"repeatbutton is selected"); [repeatbutton setImage:[UIImage imageNamed:@"repeatselected.png"] forState:UIControlStateSelected]; [repeatbutton setNeedsDisplay]; } else { NSLog(@"repeatbutton is NOT selected"); [repeatbutton setImage:[UIImage imageNamed:@"repeat.png"] forState:UIControlStateNormal]; [repeatbutton setNeedsDisplay]; } cell.accessoryType = UITableViewCellAccessoryNone; return cell; }

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• Button with image and loading element id when clicked

  - by Diego Correa

  Hello guys, I've made an application that makes full use of ajax, and what I need to do is: I want a button with a description + image that when clicked is disabled and instead of the original image in the button, appears the ajax loading element id inside the button. And when the ajax loading is complete, the original image of the button returns to the normal. Is there any good source on how to do something like this? What do you guys suggest?

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• How to return an image in an HTTP response with CherryPy

  - by colinmarc

  I have code which generates a Cairo ImageSurface, and I expose it like so: def preview(...): surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, width, height) ... cherrypy.response.headers['Content-Type'] = "image/png" return surface.get_data() preview.exposed = True This doesn't work (browsers report that the image has errors). I've tested that surface.write_to_png('test.png') works, but I'm not sure what to dump the data into to return it. I'm guessing some file-like object? According to the pycairo documentation, get_data() returns a buffer. I've also now tried: tempf = os.tmpfile() surface.write_to_png(tempf) return tempf Also, is it better to create and hold this image in memory (like I'm trying to do) or write it to disk as a temp file and serve it from there? I only need the image once, then it can be discarded.

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• WCF service for receiving image

  - by elgrego

  What is the best way to create a webservice for accepting an image. The image might be quite big and I do not want to change the default receive size for the web application. I have written one that accepts a binary image but that I feel that there has to be a better alternative.

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• Jquery scrolling image top to bottom direction

  - by Geetha

  Hi, I have the following code to scroll images in vertical direction (uses jCarouselLite) Code: $('#image').jCarouselLite({ speed: 1000, visible: 1, circular: true, auto: 5000, scroll: 1, vertical: true }); Needs: This code allows the image to scroll bottom to top direction. I want to scroll image in reverse direction.[Top to Bottom] Geetha.

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• Transparent PNG not working in SQL Server Image field

  - by Midhat

  Hi I have tried uploading a transparent PNG image to a SQL server image field, and retrieving it using the DynamicData ImageHandler. The Transparent areas in the image appear white upon rendering. Please advise about any solutions

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• Generating MySQL UPDATE statements containing BLOB image data

  - by Bob

  I'm trying to write an SQL statement that will generate an SQL script that will update a BLOB field with an IMAGE being selected from the database. This is what I have: select concat( 'UPDATE `IMAGE` SET THUMBNAIL = ', QUOTE( THUMBNAIL ), ' WHERE ID = ', ID, ';' ) as UPDATE_STATEMENT from IMAGE; In the above, THUMBNAIL is a BLOB field containing raw image data. When I run the resulting script I get the following error: ERROR at line 2: Unknown command '\\'. I first tried this without the QUOTE() function, like so: select concat( 'UPDATE `IMAGE` SET THUMBNAIL = \'', THUMBNAIL, '\' WHERE ID = ', ID, ';' ) as UPDATE_STATEMENT from IMAGE; Running the resulting script produces this error: ERROR at line 2: Unknown command '\0'. What is the proper function to apply to this BLOB field in the select, so the UPDATE statements will work? If context is required, I'm looking to migrate thumbnails generated on one server to another server for certain image IDs only. I would use mysqldump, but I don't want to clobber the entire table. Any help is greatly appreciated!

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• jquery background image rotating script doesn't work

  - by Catfish

  I'm writing this script to rotate a background Image every 3 seconds but it doesn't work at all and i'm stumped as to why not. $(document).ready(function() { var inc = 0; var bgImages = new Array(); bgImages.push("../Images/backgroundDog-small.jpg"); bgImages.push("../Images/backgroundDog1-small.jpg"); bgImages.push("../Images/backgroundDog2-small.jpg"); bgImages.push("../Images/backgroundDog3-small.jpg"); setInterval(change, 3000); function change() { //if we're not at the end of the array if (inc < (bgImages.length)) { var image = bgImages[inc]; $('body').css('backgroundImage', image); console.log(image); inc++; //reset the counter inc and go through the array again } else { inc = 0; } } });

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• Processing image data in java me

  - by Trimack

  Hi, I want to process raw data from a picture taken in java me with byte[] snap = videoControl.getSnapshot(encoding); My question is, whether I should try working already with snap or should I first create the image from this array Image im = Image.createImage(snap, 0, snap.length); and then work with that? Or is there some better documentation of both methods, i.e. getSnapshot and createImage than the Java API reference?

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