Display Image Snippets


How to display visitors IP in an Image using PHP

This PHP script will get the day of the week from the server date and then display an image (jpg or gif) to match.

09 January, 2013   

Better way to handle Broken Image. Missing images will either just display nothing, or display a [ ? ] style box.

Display an image anywhere on the screen, without using UI Builder. You can use this for other types of views as well.

01 February, 2011   

Missing images will either just display nothing, or display a [ ? ] style box when their source cannot be found. Instead you may want to replace that with a "missing image" graphic that you are sure exists so there is better visual feedback that something is wrong. Or, you might want to hide it entirely. This is possible, because...

05 December, 2012   

Instead of providing a traditional address to the image, the image file data is base64-encoded and stuffed within the src attribute. Doing so saves a network request for each image, and prevent exposure of directory paths. Please note that IE7 and below are not compatibles with data URIs.

17 February, 2019   

Missing images will either just display nothing, or display a [ ? ] style box when their source cannot be found. Instead, you may want to replace that with a "missing image" graphic that you are sure exists so there is better visual feedback that something is wrong. Or, you might want to hide it entirely. This is possible because...

15 April, 2013   

CSS Code for Pure Rollover

This technical tip shows how to read the image and mark all the barcode regions, for all the recognized barcodes in the image. The barcode region is the part of the image that only contains the barcode itself. In a large image, it is possible that there are other texts or images along with the barcode. Getting the barcode region will separate...

16 August, 2011   

Display an image anywhere on the screen, without using UI Builder. You can use this for other types of views as well.

Essentially the trick is to draw the panel/frame/etc.

Essentially the trick is to draw the panel/frame/etc. into a BufferedImage and use the ImageIO class to write it to an image file.

PHP code to display a thumbnail image on the page without saving it

28 January, 2013   

Save a screen capture of a Java Frame/Panel/Window

15 April, 2012   

PHP code example for an image CAPTCHA.

I had to scan a bunch of paper documents (one image per page), and upload them all to a web site that would accept only one PDF file containing the whole set.

02 June, 2011   

This is your most basic version of an image CAPTCHA.

Java code example to create thumbnail of an image

05 January, 2012   

A simple dashed border effect by CSS

18 February, 2012   

CSS code example for a background image repeat vertically (y-axis), horizontally (x-axis), in both directions, or in neither direction.