A lot of updates when preparing for release.

README.md

@@ -26,6 +26,12 @@ Enjoy!
 Mikael Roos (me@mikaelroos.se)
 
 
+License
+-------------------------------------
+
+Free and opensource software. License according to MIT.
+
+
 Installation
 -------------------------------------
 
@@ -52,6 +58,24 @@ RewriteRule ^image/(.*)$ img/img.php?src=$1 [QSA,NC,L]
 Now you can access and resize your images through `/image/someimage.jpg?w=80`. Very handy.
 
 
+
+Usage
+-------------------------------------
+
+`img.php?src=image.jpg&sharpen`
+
+-v, -verbose, Do verbose output and print out a log what happens.
+-no-cache, Do not use the cached version, do all conversions.
+-skip-original, Skip using the original image, always resize and use cached image.
+-save-as, Save image as jpg, png or gif, loosing transparency.
+
+-sharpen to appy a filter that sharpens the image. Good to apply when resizing to smaller dimensions.
+-emboss to apply a emboss effect.
+-blur to apply a blur effect.
+
+-palette to create a palette version of the image with up to 256 colors.
+
+
 Revision history
 -------------------------------------
 
@@ -64,13 +88,16 @@ center of the image from which the crop is done.
 * Support for resizing opaque images.
 * Clean up code in `CImage.php`.
 * Better errorhandling for invalid dimensions.
-* Crop-to-fit does not work.
+* Crop-to-fit with offste top, bottom, center, left, right, center.
+* Define the color of the background of the resulting image, when loosing transparency.
 
 
-v0.3x (latest)
+v0.3.x (latest)
 
+* Adding grid column size as predefined size, c1-c24 for a 24 column grid. Configure in `img.php`.
 * Corrected error on naming cache-files using subdir.
 * Corrected calculation error on width & height for crop-to-fit.
+* Adding effects for sharpen, emboss and blur through imageconvolution using matrixes.
 
 
 v0.3 (2012-10-02)
@@ -101,4 +128,4 @@ v0.1 (2012-04-25)
 * Initial release after rewriting some older code I had lying around.
 
  .   
-..:  Copyright 2012 by Mikael Roos (me@mikaelroos.se)
+..:  Copyright 2012-2013 by Mikael Roos (me@mikaelroos.se)

cache/README.md

@@ -1 +0,0 @@
-Make this directory writable by the webserver.

img.php

@@ -10,30 +10,68 @@
 error_reporting(-1);
 set_time_limit(20);
 
+
+// Use preprocessing of images
+define('PNG_FILTER',    '/usr/local/bin/optipng -q');
+define('PNG_DEFLATE',   '/usr/local/bin/pngout -q');
+define('JPEG_OPTIMIZE', '/usr/local/bin/jpegtran -copy none -optimize');
+
+
 // Append ending slash
 $cimageClassFile  = __DIR__ .'/CImage.php';
 $pathToImages     = __DIR__.'/img/';
 $pathToCache      = __DIR__.'/cache/';
 $maxWidth = $maxHeight = 2000;
+$gridColumnWidth = 30;
+$gridGutterWidth = 10;
+$gridColumns     = 24;
+// settings for do not largen smaller images
+// settings for max image dimensions
 
-// Set areas to map constant to value, easier to use with width or height
+// Set sizes to map constant to value, easier to use with width or height
-$area = array(
+$sizes = array(
   'w1' => 613,
+  'w2' => 630,
 );
 
+
+
+// Add column width to $area, useful for use as predefined size for width (or height).
+for($i = 1; $i <= $gridColumns; $i++) {
+  $sizes['c' . $i] = ($gridColumnWidth + $gridGutterWidth) * $i - $gridGutterWidth; 
+}
+
+
+
 // Get input from querystring
 $srcImage   = isset($_GET['src'])         ? $_GET['src'] : null;
 $newWidth   = isset($_GET['width'])       ? $_GET['width']  : (isset($_GET['w'])  ? $_GET['w']  : null);
 $newHeight  = isset($_GET['height'])      ? $_GET['height'] : (isset($_GET['h']) ? $_GET['h'] : null);
 $keepRatio  = isset($_GET['no-ratio'])    ? false : true;
 $cropToFit  = isset($_GET['crop-to-fit']) ? true : false; 
+$area       = isset($_GET['area'])        ? $_GET['area'] : null; 
 $crop       = isset($_GET['crop'])        ? $_GET['crop'] : (isset($_GET['c']) ? $_GET['c'] : null);
-$quality    = isset($_GET['quality'])     ? $_GET['quality'] : (isset($_GET['q']) ? $_GET['q'] : 100);
+$quality    = isset($_GET['quality'])     ? $_GET['quality'] : (isset($_GET['q']) ? $_GET['q'] : null);
+$verbose    = (isset($_GET['verbose']) || isset($_GET['v'])) ? true : false;
+$useCache   = isset($_GET['no-cache'])    ? false : true;
+$useOriginal = isset($_GET['skip-original']) ? false : true;
+$saveAs     = isset($_GET['save-as'])     ? $_GET['save-as'] : null;
+$sharpen    = isset($_GET['sharpen'])     ? true : null;
+$emboss     = isset($_GET['emboss'])      ? true : null;
+$blur       = isset($_GET['blur'])        ? true : null;
+$palette    = isset($_GET['palette'])     ? true : null;
 
-// Check to replace area
+
-if(isset($area[$newWidth])) {
+
-  $newWidth = $area[$newWidth];
+// Check to replace predefined size
+if(isset($sizes[$newWidth])) {
+  $newWidth = $sizes[$newWidth];
 }
+if(isset($sizes[$newHeight])) {
+  $newHeight = $sizes[$newHeight];
+}
+
+
 
 // Add all filters to an array
 $filters = array();
@@ -44,6 +82,8 @@ for($i=0; $i<10;$i++) {
   if($filter) { $filters[] = $filter; }
 }
 
+
+
 // Do some sanity checks
 function errorPage($msg) {
   header("Status: 404 Not Found");
@@ -58,10 +98,44 @@ is_null($newWidth) or ($newWidth > 10 && $newWidth <= $maxWidth) or errorPage('W
 is_null($newHeight) or ($newHeight > 10 && $newHeight <= $maxHeight) or errorPage('Hight out of range.');
 $quality >= 0 and $quality <= 100 or errorPage('Quality out of range');
 
-// Create the image object
+
+
+// Display image if vebose mode
+if($verbose) {
+  $query = array();
+  parse_str($_SERVER['QUERY_STRING'], $query);
+  unset($query['verbose']);
+  unset($query['v']);
+  unset($query['nocache']);
+  $url1 = '?' . http_build_query($query);
+  echo <<<EOD
+<a href=$url1><code>$url1</code></a><br>
+<img src='{$url1}' />
+
+EOD;
+}
+
+
+
+// Create and output the image
 require($cimageClassFile);
 $img = new CImage($srcImage, $pathToImages, $pathToCache);
-$img->ResizeAndOutput(array('newWidth'=>$newWidth, 'newHeight'=>$newHeight, 'keepRatio'=>$keepRatio, 
+$img->ResizeAndOutput(array(
-                            'cropToFit'=>$cropToFit, 'quality'=>$quality,
+  'newWidth'  => $newWidth, 
-                            'crop'=>$crop, 'filters'=>$filters,
+  'newHeight' => $newHeight, 
-                      ));
+  'keepRatio' => $keepRatio, 
+  'cropToFit' => $cropToFit, 
+  'area'      => $area, 
+  'quality'   => $quality,
+  'crop'      => $crop, 
+  'filters'   => $filters,
+  'verbose'   => $verbose,
+  'useCache'  => $useCache,
+  'useOriginal' => $useOriginal,
+  'saveAs'    => $saveAs,
+  'sharpen'   => $sharpen,
+  'emboss'    => $emboss,
+  'blur'      => $blur,
+  'palette'   => $palette,
+));
+