I've already looked there, but I need some guidance - such as examples to do my specific task.
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PHP Image function - Upload, Resize, JPEG & GIF
Hi,
We have a complex task to do.
Here are the variables:
$item_code ' Item code for product
$mfr_code ' Manufacturer code
We would like to upload our product images in a form, resize them to the appropriate sizes, and have an image in JPEG and GIF. 1 size & image for JPEG, and the same for GIF - so 2 images per item.
Example:
$item_code.jpg ' 250x250
$item_code.gif ' 100x100
The major task here to resize and convert the images.
Uploading the images as a result of the resizing and converting is easy.
They will be stored as:
prodimages/$mfr_code/$item
prodimages/$mfr_code/$item
Please post any insight.
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Answers
Using GD to handle GIFs can be a little dodgy, I recommend that you install ImageMagick instead on your server: http://www.imagemagick.org
The syntax is very easy as you can see in the documentation.
Here's a quick and dirty example, hope this helps.
$source = 'IMG_1396.JPG';
$target = 'IMG_1396_Thumbnail.JPG';
$width = 125;
$height = 75;
$quality = 65;
$size = getimagesize($source);
// scale evenly
$ratio = $size[0] / $size[1];
if ($ratio >= 1){
$scale = $width / $size[0];
} else {
$scale = $height / $size[1];
}
// make sure its not smaller to begin with!
if ($width >= $size[0] && $height >= $size[1]){
$scale = 1;
}
$im_in = imagecreatefromjpeg ($source);
$im_out = imagecreatetruecolor($size
imagecopyresampled($im_out
imagejpeg($im_out, $target, $quality);
imagedestroy($im_out);
imagedestroy($im_in);
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by: ivanmataPosted on 2003-02-09 at 23:09:16ID: 7915993
take a look at this functions:
http://www.php.net/manual/
cheers =0)