I want to skew an image into a trapezoidal shape. The left and right edges need to be straight up and down; the top and left edges need to be angular. I have no idea what the best way to do this is...

How can I give border to text using PHP GD library with multicolored text, where the text color is different from the border color. As you can refer:

I have used GD Library to create "Text on Image". I am facing one issue that passing some Gujarati text but getting wrong output as below: I want like this and getting: My code is: $textB...

If I want to write the following text on the image: दीक्षा शिक्षा क्या क्या हो गया! Then it does not not give the expected result but instead is printing out text on the picture as below. I have ...

in one of my PHP projects, imagecreatefrompng complains, that the image "is not a valid PNG file". Warning: imagecreatefrompng() [function.imagecreatefrompng]: '/.../...png' is not a valid PNG fi...

How to create an image with GDlib with a transparent background? header('content-type: image/png'); $image = imagecreatetruecolor(900, 350); imagealphablending($image, true); imagesavealpha($ima...

Does anybody know of a good way to do face detection in PHP? I came across some code here that claims to do this, but I can't seem to get it to work properly. I'd like to make this work (even thoug...

How do these filters affect the output of imagepng() in PHP? PNG_NO_FILTER PNG_FILTER_NONE PNG_FILTER_SUB PNG_FILTER_UP PNG_FILTER_AVG PNG_FILTER_PAETH PNG_ALL_FILTERS The documentation simply ...

My ultimate goal is to run a twiki website for my research group. I have space on RedHat server that is running Apache, etc., but upon which I do not have root access. Since I cannot install perl m...

I am taking a PNG image from a url as below. I want to convert the PNG image to JPEG without saving disk with PHP. Finally I want to assign JPEG image to $content_jpg variable. $url = 'http://...

I need to create a grayscale image in PHP. I am not talking about an indexed image with grayscale values in its palette, but about a TRUE grayscale image. The difference is in the 26th byte of the ...

I've googled as much as I can, but I've only found a PHP class that calls upon Inkscape to render the SVG, so I ask here: I have a valid SVG file generated in some way (or uploaded by a clie...

I want to write a routine which takes PNG image path as parameter and convert that image into 8-bit PNG image. I need to use PHP GD library for this.

I have sent a base64 encoded string via AJAX to PHP and created an image resource with imagecreatefromstring - all is fine. Now I want to get the base64 encoded string after resizing te image, but...

Calling all PHP gurus! I understand that you can use getimagesize() to get the actual pixel height and width of an image in PHP. However, if you open an image in photoshop and look at the image si...

I need to create a PNG radial gradient with opacity. I've looked through GDLib but I can't see a way to generate radial gradients. Does anyone know of a way with GDlib or any other graphics library...

I'm using a script that I downloaded from google code to dynamically generate mosaic images with the GD library. The script seems a bit convoluted. I've messed around with it quite a bit, but I'm s...

I have two PNG files, "red.png" and "blue.png"; they are both mostly transparent, but there is a few pixels of red or blue splotches in various places. I want to make a PHP script that merges the ...

I am working on a website in which the client wishes to have users upload background images to a printable design, crop to size, add text. Do this to multiple pages then generate a pdf of the 'book...

How do you detect the location of an image within a larger image? I have an unmodified copy of the image. This image is then changed to an arbitrary resolution and placed randomly within a much lar...