Resizes images, intelligently sharpens, crops based on width:height ratios, color fills transparent GIFs and PNGs, and caches variations for optimal performance
Created by: Joe Lencioni (http://shiftingpixel.com) Date: August 6, 2008 Based on: http://veryraw.com/history/2005/03/image-resizing-with-php/
Updated By: Nate Nolting (naten@paulbunyan.net)
"I love to hear when my work is being used, so if you decide to use this, feel encouraged to send me an email. Smart Image Resizer is released under a Creative Commons Attribution-Share Alike 3.0 United States license (http://creativecommons.org/licenses/by-sa/3.0/us/). All I ask is that you include a link back to Shifting Pixel (either this page or shiftingpixel.com), but don't worry about including a big link on each page if you don't want to; one will do just nicely. Feel free to contact me to discuss any specifics (joe@shiftingpixel.com)." -- Joe Lencioni
- PHP
- GD
bower install image-php#1.4.5 -S
Parameters need to be passed in through the URL's query string:
| Param | Description |
|---|---|
| image | absolute path of local image starting with "/" (e.g. /images/toast.jpg) |
| width | maximum width of final image in pixels (e.g. 700) |
| height | maximum height of final image in pixels (e.g. 700) |
| color | (optional) background hex color for filling transparent PNGs (e.g. 900 or 16a942) |
| cropratio | (optional) ratio of width to height to crop final image (e.g. 1:1 or 3:2) |
| nocache | (optional) does not read image from the cache |
| quality | (optional, 0-100, default: 90) quality of output image |
Resizing a JPEG:
<img src="/image.php/image-name.jpg?width=100&height=100&image=/path/to/image.jpg" alt="Don't forget your alt text" />
Resizing and cropping a JPEG into a square:
<img src="/image.php/image-name.jpg?width=100&height=100&cropratio=1:1&image=/path/to/image.jpg" alt="Don't forget your alt text" />
Matting a PNG with #990000:
<img src="/image.php/image-name.png?color=900&image=/path/to/image.png" alt="Don't forget your alt text" />