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How to recognize a blank/invisible image using java

I was wondering if it would be possible to recognize that a BufferedImage in java is a blank (invisible for a user in a browser) image. ...

Change the icon of a jQuery UI button with own image

Currently I have the following jQuery UI button: $('#button').button( { label: 'Test', icons: {primary: 'ui-icon-circle-plus', secondary: null} } ); I wish to use own image for the button called 'custom.png'. How I can achieve that? ...

Crop image to smallest size by removing transparent pixels in java

I have a sprite sheet which has each image centered in a 32x32 cell. The actual images are not 32x32, but slightly smaller. What I'd like to do is take a cell and crop the transparent pixels so the image is as small as it can be. How would I do that in Java (JDK 6)? Here is an example of how I'm currently breaking up the tile sheet i...

image processing in pascal

Hi Please, anyone help me to solve my problem "who can I get the image data in pascal language", I mean who can I read or display an image in pascal language ...

How to Crop image to the maximum image rect?

Hi, In Mac OSX, I have an image with black pixel in all 4 directions. I want to programmatically crop the image to the maximum image rect. Should i check for the black pixel and then create the crop rect or is there any supported API is there? ...

How do I convert ESRI or MapInfo GIS data to images using free tools?

The Australian Electoral Commission has free ESRI and MapInfo formate GIS layers of Australian electoral boundaries for download. I want to convert this data to a thumbnail polygon image using a free tool. ...

Give ID/Class to generated images

Hello. I have 10 or so images coming in from flickr. At the moment they just come in as images with no individual ID or Class names. So I have: <img src="images/01.jpg" width="300" height="273" /> <img src="images/01.jpg" width="300" height="273" /> <img src="images/01.jpg" width="300" height="273" /> <img src="images/01.jpg" width="30...

Android ImageButton with Image and Text

I want to have a button that has an image on top and some text on bottom. Both the image and text are decided during runtime, so I want to be able to combine ImageButton's setImageBitmap and Button's setText for each button. Any ideas? Thanks Chris ...

Problem in creating thumbnail of png image !!

Hi, I have used the following php function to create thumbnail image. function createThumbs( $pathToImages, $pathToThumbs, $thumbWidth ) { $dir = opendir( $pathToImages ); while (false !== ($fname = readdir( $dir ))) { $info = pathinfo($pathToImages . $fname); if ( strtolower($info['extension']) == 'jpg' || strtolowe...

Basic HTML/Javascript - Creating an Image Navigator - How to dynamically load images ?

Hello guys, I am buidling a small image navigator where the user inserts an image number and it has to load in the page so he can view it and do some processing on it later. The images will be physically named 1,2,3,4,5.jpg for example. Any quick code that i can use to make the corresponding image load I know this is fairly simple ...

use php scandir($dir) and get only images!

Is there any way to get only images (jpeg,png&gif) while using: $dir = '/tmp'; $files1 = scandir($dir); ...

jquery lightbox on dynamic image

I would like to use lightbox (pirobox) for dynamically generated images. I use standard method - load css, js files and add selector on element, but it doesnt work. Have you any experiencies with it? I Also try $('.pirobox').bind('click', function() { $('.pirobox').piroBox({ my_speed: 400, bg_alpha: 0.3, slideSho...

Testing a image/video conversion class

I have a class that converts images and videos to other formats. A number of options are available such as size, scaling mode, background color, etc (think ImageMagick's convert command). Any ideas for how to test it? The code to exercise all of the options isn't that hard to write, but I'm unsure about how to confirm the results are val...

Is there a way to refresh an image after an ajax file upload in jQuery?

I have an image on the page. I'm using the AJAX form plugin to upload a single image, and after the photo has uploaded I'd like to refresh the image that is already on the page. $("#profilePicForm").ajaxForm(function() { alert("Photo updated"); $("#newPhotoForm").slideToggle(); $("#profilePic img").load(function() { ...

Python images display Django

Since my last question here: http://stackoverflow.com/questions/3166221/python-images-display I understood that from all the answers I got the glob.glob could be the only one in the direction I need. However where I am stuck right now is here: I can create a list with all the filenames in my media directory by using glob.glob: all = ...

stand-alone lazy loading images (no framework based)

I look after a site which by nature has to load quite a lot of images and content on the page. We have decreased the number of elements and graphical layout images as much as we can, so we are now looking at ways to increase the page load in the browser. Does anyone know any code for lazy loading images that doesn't require a framework ...

A better way to validate URL in C# than try-catch?

I'm building an application to retreive an image from internet. Even though it works fine, it is slow (on wrong given URL) when using try-catch statements in the application. (1) Is this the best way to verify URL and handle wrong input - or should I use Regex (or some other method) instead? (2) Why does the application try to find im...

Drupal Image attach path in view using Customfield "PHP code"

I created a View that gets the title, body and attached image of some Story nodes. I need to use the Customfield "PHP code" to customize the output but the problem is that it's only giving me the id of the image in an array like this: [image_attach_iids] => Array ( [0] => 66 ). So, I it looks like it's giving me the id but I need the fu...

iphone uibutton: I want to change the UIControlStateNormal image

I have created an array of UIButtons. I need to change the images on those buttons programmatic, at various times. For time being, in order to get this to work, I want to change the image when the button is pressed, but this is not the time this would really happen. So, I create an array of buttons, and arrange them on a grid on the s...

Improve Preloader for img tags present in document

The main goal of this code is to run throw all img tags and load the image to the client cache. During this, I've got and image that will appear by hiding div's above it... Now, This are the answers I'm looking for: Is this really caching the images ? How to simulate the current animation with a less evasive code ? Can this code be r...