CI_Image_lib::image_reproportion() to work if only one of either width or height are set
diff --git a/system/libraries/Image_lib.php b/system/libraries/Image_lib.php
index a226ae8..8430d60 100644
--- a/system/libraries/Image_lib.php
+++ b/system/libraries/Image_lib.php
@@ -88,12 +88,6 @@
protected $wm_use_drop_shadow = FALSE;
public $wm_use_truetype = FALSE;
- /**
- * Constructor
- *
- * @param string
- * @return void
- */
public function __construct($props = array())
{
if (count($props) > 0)
@@ -101,7 +95,7 @@
$this->initialize($props);
}
- log_message('debug', "Image Lib Class Initialized");
+ log_message('debug', 'Image Lib Class Initialized');
}
// --------------------------------------------------------------------
@@ -158,9 +152,7 @@
*/
public function initialize($props = array())
{
- /*
- * Convert array elements into class variables
- */
+ // Convert array elements into class variables
if (count($props) > 0)
{
foreach ($props as $key => $val)
@@ -199,7 +191,6 @@
* Is there a source image?
*
* If not, there's no reason to continue
- *
*/
if ($this->source_image == '')
{
@@ -213,7 +204,6 @@
* We use it to determine the image properties (width/height).
* Note: We need to figure out how to determine image
* properties using ImageMagick and NetPBM
- *
*/
if ( ! function_exists('getimagesize'))
{
@@ -229,11 +219,10 @@
* The source image may or may not contain a path.
* Either way, we'll try use realpath to generate the
* full server path in order to more reliably read it.
- *
*/
- if (function_exists('realpath') AND @realpath($this->source_image) !== FALSE)
+ if (function_exists('realpath') && @realpath($this->source_image) !== FALSE)
{
- $full_source_path = str_replace("\\", "/", realpath($this->source_image));
+ $full_source_path = str_replace('\\', '/', realpath($this->source_image));
}
else
{
@@ -257,7 +246,6 @@
* we are making a copy of the source image. If not
* it means we are altering the original. We'll
* set the destination filename and path accordingly.
- *
*/
if ($this->new_image == '')
{
@@ -273,9 +261,9 @@
}
else
{
- if (function_exists('realpath') AND @realpath($this->new_image) !== FALSE)
+ if (function_exists('realpath') && @realpath($this->new_image) !== FALSE)
{
- $full_dest_path = str_replace("\\", "/", realpath($this->new_image));
+ $full_dest_path = str_replace('\\', '/', realpath($this->new_image));
}
else
{
@@ -283,7 +271,7 @@
}
// Is there a file name?
- if ( ! preg_match("#\.(jpg|jpeg|gif|png)$#i", $full_dest_path))
+ if ( ! preg_match('#\.(jpg|jpeg|gif|png)$#i', $full_dest_path))
{
$this->dest_folder = $full_dest_path.'/';
$this->dest_image = $this->source_image;
@@ -305,7 +293,6 @@
* full server path to the destination image.
* We'll also split the destination image name
* so we can insert the thumbnail marker if needed.
- *
*/
if ($this->create_thumb === FALSE OR $this->thumb_marker == '')
{
@@ -325,10 +312,9 @@
*
* When creating thumbs or copies, the target width/height
* might not be in correct proportion with the source
- * image's width/height. We'll recalculate it here.
- *
+ * image's width/height. We'll recalculate it here.
*/
- if ($this->maintain_ratio === TRUE && ($this->width != '' AND $this->height != ''))
+ if ($this->maintain_ratio === TRUE && ($this->width != 0 OR $this->height != 0))
{
$this->image_reproportion();
}
@@ -339,35 +325,40 @@
* If the destination width/height was
* not submitted we will use the values
* from the actual file
- *
*/
if ($this->width == '')
+ {
$this->width = $this->orig_width;
+ }
if ($this->height == '')
+ {
$this->height = $this->orig_height;
+ }
// Set the quality
- $this->quality = trim(str_replace("%", "", $this->quality));
+ $this->quality = trim(str_replace('%', '', $this->quality));
- if ($this->quality == '' OR $this->quality == 0 OR ! is_numeric($this->quality))
+ if ($this->quality == '' OR $this->quality == 0 OR ! preg_match('/^[0-9]+$/', $this->quality))
+ {
$this->quality = 90;
+ }
// Set the x/y coordinates
- $this->x_axis = ($this->x_axis == '' OR ! is_numeric($this->x_axis)) ? 0 : $this->x_axis;
- $this->y_axis = ($this->y_axis == '' OR ! is_numeric($this->y_axis)) ? 0 : $this->y_axis;
+ $this->x_axis = ($this->x_axis == '' OR ! preg_match('/^[0-9]+$/', $this->x_axis)) ? 0 : $this->x_axis;
+ $this->y_axis = ($this->y_axis == '' OR ! preg_match('/^[0-9]+$/', $this->y_axis)) ? 0 : $this->y_axis;
// Watermark-related Stuff...
if ($this->wm_overlay_path != '')
{
- $this->wm_overlay_path = str_replace("\\", "/", realpath($this->wm_overlay_path));
+ $this->wm_overlay_path = str_replace('\\', '/', realpath($this->wm_overlay_path));
}
if ($this->wm_shadow_color != '')
{
$this->wm_use_drop_shadow = TRUE;
}
- elseif ($this->wm_use_drop_shadow == TRUE AND $this->wm_shadow_color == '')
+ elseif ($this->wm_use_drop_shadow == TRUE && $this->wm_shadow_color == '')
{
$this->wm_use_drop_shadow = FALSE;
}
@@ -445,7 +436,6 @@
$this->height = $this->orig_height;
}
-
// Choose resizing function
if ($this->image_library == 'imagemagick' OR $this->image_library == 'netpbm')
{
@@ -479,9 +469,9 @@
// If the target width/height match the source, AND if the new file name is not equal to the old file name
// we'll simply make a copy of the original with the new name... assuming dynamic rendering is off.
- if ($this->dynamic_output === FALSE AND $this->orig_width == $this->width AND $this->orig_height == $this->height)
+ if ($this->dynamic_output === FALSE && $this->orig_width == $this->width && $this->orig_height == $this->height)
{
- if ($this->source_image != $this->new_image AND @copy($this->full_src_path, $this->full_dst_path))
+ if ($this->source_image != $this->new_image && @copy($this->full_src_path, $this->full_dst_path))
{
@chmod($this->full_dst_path, FILE_WRITE_MODE);
}
@@ -523,7 +513,7 @@
// below should that ever prove inaccurate.
//
// if ($this->image_library == 'gd2' AND function_exists('imagecreatetruecolor') AND $v2_override == FALSE)
- if ($this->image_library == 'gd2' AND function_exists('imagecreatetruecolor'))
+ if ($this->image_library === 'gd2' && function_exists('imagecreatetruecolor'))
{
$create = 'imagecreatetruecolor';
$copy = 'imagecopyresampled';
@@ -587,7 +577,7 @@
return FALSE;
}
- if ( ! preg_match("/convert$/i", $this->library_path))
+ if ( ! preg_match('/convert$/i', $this->library_path))
{
$this->library_path = rtrim($this->library_path, '/').'/convert';
}
@@ -597,7 +587,7 @@
if ($action == 'crop')
{
- $cmd .= " -crop ".$this->width."x".$this->height."+".$this->x_axis."+".$this->y_axis." \"$this->full_src_path\" \"$this->full_dst_path\" 2>&1";
+ $cmd .= ' -crop '.$this->width.'x'.$this->height.'+'.$this->x_axis.'+'.$this->y_axis.' "'.$this->full_src_path.'" "'.$this->full_dst_path .'" 2>&1';
}
elseif ($action == 'rotate')
{
@@ -611,18 +601,17 @@
break;
}
- $cmd .= " ".$angle." \"$this->full_src_path\" \"$this->full_dst_path\" 2>&1";
+ $cmd .= ' '.$angle.' "'.$this->full_src_path.'" "'.$this->full_dst_path.'" 2>&1';
}
- else // Resize
+ else // Resize
{
- $cmd .= " -resize ".$this->width."x".$this->height." \"$this->full_src_path\" \"$this->full_dst_path\" 2>&1";
+ $cmd .= ' -resize '.$this->width.'x'.$this->height.'" "'.$this->full_src_path.'" "'.$this->full_dst_path.'" 2>&1';
}
$retval = 1;
-
@exec($cmd, $output, $retval);
- // Did it work?
+ // Did it work?
if ($retval > 0)
{
$this->set_error('imglib_image_process_failed');
@@ -700,10 +689,9 @@
$cmd = $this->library_path.$cmd_in.' '.$this->full_src_path.' | '.$cmd_inner.' | '.$cmd_out.' > '.$this->dest_folder.'netpbm.tmp';
$retval = 1;
-
@exec($cmd, $output, $retval);
- // Did it work?
+ // Did it work?
if ($retval > 0)
{
$this->set_error('imglib_image_process_failed');
@@ -742,29 +730,24 @@
$white = imagecolorallocate($src_img, 255, 255, 255);
- // Rotate it!
+ // Rotate it!
$dst_img = imagerotate($src_img, $this->rotation_angle, $white);
- // Save the Image
+ // Show the image
if ($this->dynamic_output == TRUE)
{
$this->image_display_gd($dst_img);
}
- else
+ elseif ( ! $this->image_save_gd($dst_img)) // ... or save it
{
- // Or save it
- if ( ! $this->image_save_gd($dst_img))
- {
- return FALSE;
- }
+ return FALSE;
}
- // Kill the file handles
+ // Kill the file handles
imagedestroy($dst_img);
imagedestroy($src_img);
// Set the file to 777
-
@chmod($this->full_dst_path, FILE_WRITE_MODE);
return TRUE;
@@ -824,21 +807,17 @@
}
}
- // Show the image
+ // Show the image
if ($this->dynamic_output == TRUE)
{
$this->image_display_gd($src_img);
}
- else
+ elseif ( ! $this->image_save_gd($src_img)) // ... or save it
{
- // Or save it
- if ( ! $this->image_save_gd($src_img))
- {
- return FALSE;
- }
+ return FALSE;
}
- // Kill the file handles
+ // Kill the file handles
imagedestroy($src_img);
// Set the file to 777
@@ -860,14 +839,7 @@
*/
public function watermark()
{
- if ($this->wm_type == 'overlay')
- {
- return $this->overlay_watermark();
- }
- else
- {
- return $this->text_watermark();
- }
+ return ($this->wm_type == 'overlay') ? $this->overlay_watermark() : $this->text_watermark();
}
// --------------------------------------------------------------------
@@ -885,28 +857,28 @@
return FALSE;
}
- // Fetch source image properties
+ // Fetch source image properties
$this->get_image_properties();
- // Fetch watermark image properties
+ // Fetch watermark image properties
$props = $this->get_image_properties($this->wm_overlay_path, TRUE);
$wm_img_type = $props['image_type'];
$wm_width = $props['width'];
$wm_height = $props['height'];
- // Create two image resources
+ // Create two image resources
$wm_img = $this->image_create_gd($this->wm_overlay_path, $wm_img_type);
$src_img = $this->image_create_gd($this->full_src_path);
// Reverse the offset if necessary
// When the image is positioned at the bottom
// we don't want the vertical offset to push it
- // further down. We want the reverse, so we'll
- // invert the offset. Same with the horizontal
+ // further down. We want the reverse, so we'll
+ // invert the offset. Same with the horizontal
// offset when the image is at the right
- $this->wm_vrt_alignment = strtoupper(substr($this->wm_vrt_alignment, 0, 1));
- $this->wm_hor_alignment = strtoupper(substr($this->wm_hor_alignment, 0, 1));
+ $this->wm_vrt_alignment = strtoupper($this->wm_vrt_alignment[0]);
+ $this->wm_hor_alignment = strtoupper($this->wm_hor_alignment[0]);
if ($this->wm_vrt_alignment == 'B')
$this->wm_vrt_offset = $this->wm_vrt_offset * -1;
@@ -914,11 +886,11 @@
if ($this->wm_hor_alignment == 'R')
$this->wm_hor_offset = $this->wm_hor_offset * -1;
- // Set the base x and y axis values
+ // Set the base x and y axis values
$x_axis = $this->wm_hor_offset + $this->wm_padding;
$y_axis = $this->wm_vrt_offset + $this->wm_padding;
- // Set the vertical position
+ // Set the vertical position
switch ($this->wm_vrt_alignment)
{
case 'T':
@@ -929,7 +901,7 @@
break;
}
- // Set the horizontal position
+ // Set the horizontal position
switch ($this->wm_hor_alignment)
{
case 'L':
@@ -941,7 +913,7 @@
}
// Build the finalized image
- if ($wm_img_type == 3 AND function_exists('imagealphablending'))
+ if ($wm_img_type == 3 && function_exists('imagealphablending'))
{
@imagealphablending($src_img, TRUE);
}
@@ -993,20 +965,20 @@
return FALSE;
}
- if ($this->wm_use_truetype == TRUE AND ! file_exists($this->wm_font_path))
+ if ($this->wm_use_truetype == TRUE && ! file_exists($this->wm_font_path))
{
$this->set_error('imglib_missing_font');
return FALSE;
}
- // Fetch source image properties
+ // Fetch source image properties
$this->get_image_properties();
// Reverse the vertical offset
// When the image is positioned at the bottom
// we don't want the vertical offset to push it
// further down. We want the reverse, so we'll
- // invert the offset. Note: The horizontal
+ // invert the offset. Note: The horizontal
// offset flips itself automatically
if ($this->wm_vrt_alignment == 'B')
@@ -1093,7 +1065,7 @@
$drp_color = str_split(substr($this->wm_shadow_color, 1, 6), 2);
$drp_color = imagecolorclosest($src_img, hexdec($drp_color[0]), hexdec($drp_color[1]), hexdec($drp_color[2]));
- // Add the text to the source image
+ // Add the text to the source image
if ($this->wm_use_truetype)
{
imagettftext($src_img, $this->wm_font_size, 0, $x_shad, $y_shad, $drp_color, $this->wm_font_path, $this->wm_text);
@@ -1106,7 +1078,7 @@
}
}
- // Output the final image
+ // Output the final image
if ($this->dynamic_output == TRUE)
{
$this->image_display_gd($src_img);
@@ -1284,33 +1256,43 @@
*/
public function image_reproportion()
{
- if ( ! is_numeric($this->width) OR ! is_numeric($this->height) OR $this->width == 0 OR $this->height == 0)
- return;
-
- if ( ! is_numeric($this->orig_width) OR ! is_numeric($this->orig_height) OR $this->orig_width == 0 OR $this->orig_height == 0)
- return;
-
- $new_width = ceil($this->orig_width*$this->height/$this->orig_height);
- $new_height = ceil($this->width*$this->orig_height/$this->orig_width);
-
- $ratio = (($this->orig_height/$this->orig_width) - ($this->height/$this->width));
-
- if ($this->master_dim != 'width' AND $this->master_dim != 'height')
+ if (($this->width == 0 && $this->height == 0) OR $this->orig_width == 0 OR $this->orig_height == 0
+ OR ( ! preg_match('/^[0-9]+$/', $this->width) && ! preg_match('/^[0-9]+$/', $this->height))
+ OR ! preg_match('/^[0-9]+$/', $this->orig_width) OR ! preg_match('/^[0-9]+$/', $this->orig_height))
{
- $this->master_dim = ($ratio < 0) ? 'width' : 'height';
+ return;
}
- if (($this->width != $new_width) AND ($this->height != $new_height))
+ // Sanitize so we don't call preg_match() anymore
+ $this->width = (int) $this->width;
+ $this->height = (int) $this->height;
+
+ if ($this->master_dim !== 'width' && $this->master_dim !== 'height')
{
- if ($this->master_dim == 'height')
+ if ($this->width > 0 && $this->height > 0)
{
- $this->width = $new_width;
+ $this->master_dim = ((($this->orig_height/$this->orig_width) - ($this->height/$this->width)) < 0)
+ ? 'width' : 'height';
}
else
{
- $this->height = $new_height;
+ $this->master_dim = ($this->height === 0) ? 'width' : 'height';
}
}
+ elseif (($this->master_dim === 'width' && $this->width === 0)
+ OR ($this->master_dim === 'height' && $this->height === 0))
+ {
+ return;
+ }
+
+ if ($this->master_dim === 'width')
+ {
+ $this->height = (int) ceil($this->width*$this->orig_height/$this->orig_width);
+ }
+ else
+ {
+ $this->width = (int) ceil($this->orig_width*$this->height/$this->orig_height);
+ }
}
// --------------------------------------------------------------------
@@ -1329,7 +1311,9 @@
// find a way to determine this using IM or NetPBM
if ($path == '')
+ {
$path = $this->full_src_path;
+ }
if ( ! file_exists($path))
{
@@ -1449,7 +1433,7 @@
/* As it is stated in the PHP manual, dl() is not always available
* and even if so - it could generate an E_WARNING message on failure
*/
- return (function_exists('dl') AND @dl('gd.so'));
+ return (function_exists('dl') && @dl('gd.so'));
}
return TRUE;
@@ -1467,9 +1451,7 @@
if (function_exists('gd_info'))
{
$gd_version = @gd_info();
- $gd_version = preg_replace("/\D/", "", $gd_version['GD Version']);
-
- return $gd_version;
+ return preg_replace('/\D/', '', $gd_version['GD Version']);
}
return FALSE;
@@ -1520,7 +1502,6 @@
}
}
-// END Image_lib Class
/* End of file Image_lib.php */
/* Location: ./system/libraries/Image_lib.php */