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-rw-r--r--system/libraries/Image_lib.php974
1 files changed, 598 insertions, 376 deletions
diff --git a/system/libraries/Image_lib.php b/system/libraries/Image_lib.php
index a226ae8f8..4735dfd08 100644
--- a/system/libraries/Image_lib.php
+++ b/system/libraries/Image_lib.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Image Manipulation class
*
@@ -38,60 +36,334 @@
*/
class CI_Image_lib {
- public $image_library = 'gd2'; // Can be: imagemagick, netpbm, gd, gd2
+ /**
+ * PHP extension/library to use for image manipulation
+ * Can be: imagemagick, netpbm, gd, gd2
+ *
+ * @var string
+ */
+ public $image_library = 'gd2';
+
+ /**
+ * Path to the graphic library (if applicable)
+ *
+ * @var string
+ */
public $library_path = '';
- public $dynamic_output = FALSE; // Whether to send to browser or write to disk
+
+ /**
+ * Whether to send to browser or write to disk
+ *
+ * @var bool
+ */
+ public $dynamic_output = FALSE;
+
+ /**
+ * Path to original image
+ *
+ * @var string
+ */
public $source_image = '';
- public $new_image = '';
- public $width = '';
- public $height = '';
- public $quality = '90';
+
+ /**
+ * Path to the modified image
+ *
+ * @var string
+ */
+ public $new_image = '';
+
+ /**
+ * Image width
+ *
+ * @var int
+ */
+ public $width = '';
+
+ /**
+ * Image height
+ *
+ * @var int
+ */
+ public $height = '';
+
+ /**
+ * Quality percentage of new image
+ *
+ * @var int
+ */
+ public $quality = 90;
+
+ /**
+ * Whether to create a thumbnail
+ *
+ * @var bool
+ */
public $create_thumb = FALSE;
+
+ /**
+ * String to add to thumbnail version of image
+ *
+ * @var string
+ */
public $thumb_marker = '_thumb';
- public $maintain_ratio = TRUE; // Whether to maintain aspect ratio when resizing or use hard values
- public $master_dim = 'auto'; // auto, height, or width. Determines what to use as the master dimension
+
+ /**
+ * Whether to maintain aspect ratio when resizing or use hard values
+ *
+ * @var bool
+ */
+ public $maintain_ratio = TRUE;
+
+ /**
+ * auto, height, or width. Determines what to use as the master dimension
+ *
+ * @var string
+ */
+ public $master_dim = 'auto';
+
+ /**
+ * Angle at to rotate image
+ *
+ * @var string
+ */
public $rotation_angle = '';
- public $x_axis = '';
- public $y_axis = '';
+ /**
+ * X Coordinate for manipulation of the current image
+ *
+ * @var int
+ */
+ public $x_axis = '';
+
+ /**
+ * Y Coordinate for manipulation of the current image
+ *
+ * @var int
+ */
+ public $y_axis = '';
+
+ // --------------------------------------------------------------------------
// Watermark Vars
- public $wm_text = ''; // Watermark text if graphic is not used
- public $wm_type = 'text'; // Type of watermarking. Options: text/overlay
+ // --------------------------------------------------------------------------
+
+ /**
+ * Watermark text if graphic is not used
+ *
+ * @var string
+ */
+ public $wm_text = '';
+
+ /**
+ * Type of watermarking. Options: text/overlay
+ *
+ * @var string
+ */
+ public $wm_type = 'text';
+
+ /**
+ * Default transparency for watermark
+ *
+ * @var int
+ */
public $wm_x_transp = 4;
+
+ /**
+ * Default transparency for watermark
+ *
+ * @var int
+ */
public $wm_y_transp = 4;
- public $wm_overlay_path = ''; // Watermark image path
- public $wm_font_path = ''; // TT font
- public $wm_font_size = 17; // Font size (different versions of GD will either use points or pixels)
- public $wm_vrt_alignment = 'B'; // Vertical alignment: T M B
- public $wm_hor_alignment = 'C'; // Horizontal alignment: L R C
- public $wm_padding = 0; // Padding around text
- public $wm_hor_offset = 0; // Lets you push text to the right
- public $wm_vrt_offset = 0; // Lets you push text down
- protected $wm_font_color = '#ffffff'; // Text color
- protected $wm_shadow_color = ''; // Dropshadow color
- public $wm_shadow_distance = 2; // Dropshadow distance
- public $wm_opacity = 50; // Image opacity: 1 - 100 Only works with image
+ /**
+ * Watermark image path
+ *
+ * @var string
+ */
+ public $wm_overlay_path = '';
+
+ /**
+ * TT font
+ *
+ * @var string
+ */
+ public $wm_font_path = '';
+
+ /**
+ * Font size (different versions of GD will either use points or pixels)
+ *
+ * @var int
+ */
+ public $wm_font_size = 17;
+
+ /**
+ * Vertical alignment: T M B
+ *
+ * @var string
+ */
+ public $wm_vrt_alignment = 'B';
+
+ /**
+ * Horizontal alignment: L R C
+ *
+ * @var string
+ */
+ public $wm_hor_alignment = 'C';
+
+ /**
+ * Padding around text
+ *
+ * @var int
+ */
+ public $wm_padding = 0;
+
+ /**
+ * Lets you push text to the right
+ *
+ * @var int
+ */
+ public $wm_hor_offset = 0;
+
+ /**
+ * Lets you push text down
+ *
+ * @var int
+ */
+ public $wm_vrt_offset = 0;
+
+ /**
+ * Text color
+ *
+ * @var string
+ */
+ protected $wm_font_color = '#ffffff';
+
+ /**
+ * Dropshadow color
+ *
+ * @var string
+ */
+ protected $wm_shadow_color = '';
+
+ /**
+ * Dropshadow distance
+ *
+ * @var int
+ */
+ public $wm_shadow_distance = 2;
+
+ /**
+ * Image opacity: 1 - 100 Only works with image
+ *
+ * @var int
+ */
+ public $wm_opacity = 50;
+
+ // --------------------------------------------------------------------------
// Private Vars
+ // --------------------------------------------------------------------------
+
+ /**
+ * Source image folder
+ *
+ * @var string
+ */
public $source_folder = '';
+
+ /**
+ * Destination image folder
+ *
+ * @var string
+ */
public $dest_folder = '';
- public $mime_type = '';
- public $orig_width = '';
+
+ /**
+ * Image mime-type
+ *
+ * @var string
+ */
+ public $mime_type = '';
+
+ /**
+ * Original image width
+ *
+ * @var int
+ */
+ public $orig_width = '';
+
+ /**
+ * Original image height
+ *
+ * @var int
+ */
public $orig_height = '';
- public $image_type = '';
- public $size_str = '';
+
+ /**
+ * Image format
+ *
+ * @var string
+ */
+ public $image_type = '';
+
+ /**
+ * Size of current image
+ *
+ * @var string
+ */
+ public $size_str = '';
+
+ /**
+ * Full path to source image
+ *
+ * @var string
+ */
public $full_src_path = '';
+
+ /**
+ * Full path to destination image
+ *
+ * @var string
+ */
public $full_dst_path = '';
- public $create_fnc = 'imagecreatetruecolor';
- public $copy_fnc = 'imagecopyresampled';
- public $error_msg = array();
+
+ /**
+ * Name of function to create image
+ *
+ * @var string
+ */
+ public $create_fnc = 'imagecreatetruecolor';
+
+ /**
+ * Name of function to copy image
+ *
+ * @var string
+ */
+ public $copy_fnc = 'imagecopyresampled';
+
+ /**
+ * Error messages
+ *
+ * @var array
+ */
+ public $error_msg = array();
+
+ /**
+ * Whether to have a drop shadow on watermark
+ *
+ * @var bool
+ */
protected $wm_use_drop_shadow = FALSE;
+
+ /**
+ * Whether to use truetype fonts
+ *
+ * @var bool
+ */
public $wm_use_truetype = FALSE;
/**
- * Constructor
+ * Initialize Image Library
*
- * @param string
+ * @param array $props
* @return void
*/
public function __construct($props = array())
@@ -101,7 +373,7 @@ class CI_Image_lib {
$this->initialize($props);
}
- log_message('debug', "Image Lib Class Initialized");
+ log_message('debug', 'Image Lib Class Initialized');
}
// --------------------------------------------------------------------
@@ -124,7 +396,7 @@ class CI_Image_lib {
$this->image_library = 'gd2';
$this->dynamic_output = FALSE;
- $this->quality = '90';
+ $this->quality = 90;
$this->create_thumb = FALSE;
$this->thumb_marker = '_thumb';
$this->maintain_ratio = TRUE;
@@ -158,9 +430,7 @@ class CI_Image_lib {
*/
public function initialize($props = array())
{
- /*
- * Convert array elements into class variables
- */
+ // Convert array elements into class variables
if (count($props) > 0)
{
foreach ($props as $key => $val)
@@ -195,25 +465,18 @@ class CI_Image_lib {
}
}
- /*
- * Is there a source image?
- *
- * If not, there's no reason to continue
- *
- */
- if ($this->source_image == '')
+ // Is there a source image? If not, there's no reason to continue
+ if ($this->source_image === '')
{
$this->set_error('imglib_source_image_required');
return FALSE;
}
- /*
- * Is getimagesize() Available?
+ /* Is getimagesize() available?
*
* We use it to determine the image properties (width/height).
- * Note: We need to figure out how to determine image
+ * Note: We need to figure out how to determine image
* properties using ImageMagick and NetPBM
- *
*/
if ( ! function_exists('getimagesize'))
{
@@ -223,17 +486,15 @@ class CI_Image_lib {
$this->image_library = strtolower($this->image_library);
- /*
- * Set the full server path
+ /* Set the full server path
*
* 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
{
@@ -255,64 +516,58 @@ class CI_Image_lib {
*
* If the user has set a "new_image" name it means
* we are making a copy of the source image. If not
- * it means we are altering the original. We'll
+ * it means we are altering the original. We'll
* set the destination filename and path accordingly.
- *
*/
- if ($this->new_image == '')
+ if ($this->new_image === '')
{
$this->dest_image = $this->source_image;
$this->dest_folder = $this->source_folder;
}
+ elseif (strpos($this->new_image, '/') === FALSE)
+ {
+ $this->dest_folder = $this->source_folder;
+ $this->dest_image = $this->new_image;
+ }
else
{
- if (strpos($this->new_image, '/') === FALSE)
+ if (strpos($this->new_image, '/') === FALSE && strpos($this->new_image, '\\') === FALSE)
{
- $this->dest_folder = $this->source_folder;
- $this->dest_image = $this->new_image;
+ $full_dest_path = str_replace('\\', '/', realpath($this->new_image));
}
else
{
- if (function_exists('realpath') AND @realpath($this->new_image) !== FALSE)
- {
- $full_dest_path = str_replace("\\", "/", realpath($this->new_image));
- }
- else
- {
- $full_dest_path = $this->new_image;
- }
+ $full_dest_path = $this->new_image;
+ }
- // Is there a file name?
- if ( ! preg_match("#\.(jpg|jpeg|gif|png)$#i", $full_dest_path))
- {
- $this->dest_folder = $full_dest_path.'/';
- $this->dest_image = $this->source_image;
- }
- else
- {
- $x = explode('/', $full_dest_path);
- $this->dest_image = end($x);
- $this->dest_folder = str_replace($this->dest_image, '', $full_dest_path);
- }
+ // Is there a file name?
+ if ( ! preg_match('#\.(jpg|jpeg|gif|png)$#i', $full_dest_path))
+ {
+ $this->dest_folder = $full_dest_path.'/';
+ $this->dest_image = $this->source_image;
+ }
+ else
+ {
+ $x = explode('/', $full_dest_path);
+ $this->dest_image = end($x);
+ $this->dest_folder = str_replace($this->dest_image, '', $full_dest_path);
}
}
- /*
- * Compile the finalized filenames/paths
+ /* Compile the finalized filenames/paths
*
* We'll create two master strings containing the
* full server path to the source image and the
* full server path to the destination image.
* We'll also split the destination image name
* so we can insert the thumbnail marker if needed.
- *
*/
- if ($this->create_thumb === FALSE OR $this->thumb_marker == '')
+ if ($this->create_thumb === FALSE OR $this->thumb_marker === '')
{
$this->thumb_marker = '';
}
- $xp = $this->explode_name($this->dest_image);
+ $xp = $this->explode_name($this->dest_image);
$filename = $xp['name'];
$file_ext = $xp['ext'];
@@ -320,59 +575,60 @@ class CI_Image_lib {
$this->full_src_path = $this->source_folder.$this->source_image;
$this->full_dst_path = $this->dest_folder.$filename.$this->thumb_marker.$file_ext;
- /*
- * Should we maintain image proportions?
+ /* Should we maintain image proportions?
*
* 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))
{
$this->image_reproportion();
}
- /*
- * Was a width and height specified?
- *
- * If the destination width/height was
- * not submitted we will use the values
- * from the actual file
+ /* Was a width and height specified?
*
+ * If the destination width/height was not submitted we
+ * will use the values from the actual file
*/
- if ($this->width == '')
+ if ($this->width === '')
+ {
$this->width = $this->orig_width;
+ }
- if ($this->height == '')
+ 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 : $this->y_axis;
+ is_numeric($this->x_axis) OR $this->x_axis = 0;
+ is_numeric($this->y_axis) OR $this->y_axis = 0;
// Watermark-related Stuff...
- if ($this->wm_overlay_path != '')
+ 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 ($this->wm_shadow_color != '')
+ if ($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 === '')
{
$this->wm_use_drop_shadow = FALSE;
}
- if ($this->wm_font_path != '')
+ if ($this->wm_font_path !== '')
{
$this->wm_use_truetype = TRUE;
}
@@ -427,14 +683,14 @@ class CI_Image_lib {
// Allowed rotation values
$degs = array(90, 180, 270, 'vrt', 'hor');
- if ($this->rotation_angle == '' OR ! in_array($this->rotation_angle, $degs))
+ if ($this->rotation_angle === '' OR ! in_array($this->rotation_angle, $degs))
{
$this->set_error('imglib_rotation_angle_required');
return FALSE;
}
// Reassign the width and height
- if ($this->rotation_angle == 90 OR $this->rotation_angle == 270)
+ if ($this->rotation_angle === 90 OR $this->rotation_angle === 270)
{
$this->width = $this->orig_height;
$this->height = $this->orig_width;
@@ -445,22 +701,16 @@ class CI_Image_lib {
$this->height = $this->orig_height;
}
-
// Choose resizing function
- if ($this->image_library == 'imagemagick' OR $this->image_library == 'netpbm')
+ if ($this->image_library === 'imagemagick' OR $this->image_library === 'netpbm')
{
$protocol = 'image_process_'.$this->image_library;
return $this->$protocol('rotate');
}
- if ($this->rotation_angle == 'hor' OR $this->rotation_angle == 'vrt')
- {
- return $this->image_mirror_gd();
- }
- else
- {
- return $this->image_rotate_gd();
- }
+ return ($this->rotation_angle === 'hor' OR $this->rotation_angle === 'vrt')
+ ? $this->image_mirror_gd()
+ : $this->image_rotate_gd();
}
// --------------------------------------------------------------------
@@ -479,9 +729,9 @@ class CI_Image_lib {
// If the target width/height match the source, AND if the new file name is not equal to the old file name
// we'll simply make a copy of the original with the new name... assuming dynamic rendering is off.
- if ($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);
}
@@ -490,9 +740,9 @@ class CI_Image_lib {
}
// Let's set up our values based on the action
- if ($action == 'crop')
+ if ($action === 'crop')
{
- // Reassign the source width/height if cropping
+ // Reassign the source width/height if cropping
$this->orig_width = $this->width;
$this->orig_height = $this->height;
@@ -500,7 +750,7 @@ class CI_Image_lib {
if ($this->gd_version() !== FALSE)
{
$gd_version = str_replace('0', '', $this->gd_version());
- $v2_override = ($gd_version == 2) ? TRUE : FALSE;
+ $v2_override = ($gd_version === 2);
}
}
else
@@ -516,14 +766,15 @@ class CI_Image_lib {
return FALSE;
}
- // Create The Image
- //
- // old conditional which users report cause problems with shared GD libs who report themselves as "2.0 or greater"
- // it appears that this is no longer the issue that it was in 2004, so we've removed it, retaining it in the comment
- // 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'))
+ /* Create the image
+ *
+ * Old conditional which users report cause problems with shared GD libs who report themselves as "2.0 or greater"
+ * it appears that this is no longer the issue that it was in 2004, so we've removed it, retaining it in the comment
+ * below should that ever prove inaccurate.
+ *
+ * if ($this->image_library === 'gd2' && function_exists('imagecreatetruecolor') && $v2_override === FALSE)
+ */
+ if ($this->image_library === 'gd2' && function_exists('imagecreatetruecolor'))
{
$create = 'imagecreatetruecolor';
$copy = 'imagecopyresampled';
@@ -536,7 +787,7 @@ class CI_Image_lib {
$dst_img = $create($this->width, $this->height);
- if ($this->image_type == 3) // png we can actually preserve transparency
+ if ($this->image_type === 3) // png we can actually preserve transparency
{
imagealphablending($dst_img, FALSE);
imagesavealpha($dst_img, TRUE);
@@ -544,21 +795,17 @@ class CI_Image_lib {
$copy($dst_img, $src_img, 0, 0, $this->x_axis, $this->y_axis, $this->width, $this->height, $this->orig_width, $this->orig_height);
- // Show the image
- if ($this->dynamic_output == TRUE)
+ // 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);
@@ -581,48 +828,40 @@ class CI_Image_lib {
public function image_process_imagemagick($action = 'resize')
{
// Do we have a vaild library path?
- if ($this->library_path == '')
+ if ($this->library_path === '')
{
$this->set_error('imglib_libpath_invalid');
return FALSE;
}
- if ( ! preg_match("/convert$/i", $this->library_path))
+ if ( ! preg_match('/convert$/i', $this->library_path))
{
$this->library_path = rtrim($this->library_path, '/').'/convert';
}
// Execute the command
- $cmd = $this->library_path." -quality ".$this->quality;
+ $cmd = $this->library_path.' -quality '.$this->quality;
- if ($action == 'crop')
+ if ($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')
+ elseif ($action === 'rotate')
{
- switch ($this->rotation_angle)
- {
- case 'hor' : $angle = '-flop';
- break;
- case 'vrt' : $angle = '-flip';
- break;
- default : $angle = '-rotate '.$this->rotation_angle;
- break;
- }
+ $angle = ($this->rotation_angle === 'hor' OR $this->rotation_angle === 'vrt')
+ ? '-flop' : '-rotate '.$this->rotation_angle;
- $cmd .= " ".$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)
{
$this->set_error('imglib_image_process_failed');
@@ -647,46 +886,46 @@ class CI_Image_lib {
*/
public function image_process_netpbm($action = 'resize')
{
- if ($this->library_path == '')
+ if ($this->library_path === '')
{
$this->set_error('imglib_libpath_invalid');
return FALSE;
}
- // Build the resizing command
+ // Build the resizing command
switch ($this->image_type)
{
case 1 :
- $cmd_in = 'giftopnm';
- $cmd_out = 'ppmtogif';
+ $cmd_in = 'giftopnm';
+ $cmd_out = 'ppmtogif';
break;
case 2 :
- $cmd_in = 'jpegtopnm';
- $cmd_out = 'ppmtojpeg';
+ $cmd_in = 'jpegtopnm';
+ $cmd_out = 'ppmtojpeg';
break;
case 3 :
- $cmd_in = 'pngtopnm';
- $cmd_out = 'ppmtopng';
+ $cmd_in = 'pngtopnm';
+ $cmd_out = 'ppmtopng';
break;
}
- if ($action == 'crop')
+ if ($action === 'crop')
{
$cmd_inner = 'pnmcut -left '.$this->x_axis.' -top '.$this->y_axis.' -width '.$this->width.' -height '.$this->height;
}
- elseif ($action == 'rotate')
+ elseif ($action === 'rotate')
{
switch ($this->rotation_angle)
{
- case 90 : $angle = 'r270';
+ case 90: $angle = 'r270';
break;
- case 180 : $angle = 'r180';
+ case 180: $angle = 'r180';
break;
- case 270 : $angle = 'r90';
+ case 270: $angle = 'r90';
break;
- case 'vrt' : $angle = 'tb';
+ case 'vrt': $angle = 'tb';
break;
- case 'hor' : $angle = 'lr';
+ case 'hor': $angle = 'lr';
break;
}
@@ -700,10 +939,9 @@ class CI_Image_lib {
$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)
{
$this->set_error('imglib_image_process_failed');
@@ -714,7 +952,7 @@ class CI_Image_lib {
// If you try manipulating the original it fails so
// we have to rename the temp file.
copy ($this->dest_folder.'netpbm.tmp', $this->full_dst_path);
- unlink ($this->dest_folder.'netpbm.tmp');
+ unlink($this->dest_folder.'netpbm.tmp');
@chmod($this->full_dst_path, FILE_WRITE_MODE);
return TRUE;
@@ -729,7 +967,7 @@ class CI_Image_lib {
*/
public function image_rotate_gd()
{
- // Create the image handle
+ // Create the image handle
if ( ! ($src_img = $this->image_create_gd()))
{
return FALSE;
@@ -742,29 +980,24 @@ class CI_Image_lib {
$white = imagecolorallocate($src_img, 255, 255, 255);
- // Rotate it!
+ // Rotate it!
$dst_img = imagerotate($src_img, $this->rotation_angle, $white);
- // Save the Image
- if ($this->dynamic_output == TRUE)
+ // 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;
@@ -789,7 +1022,7 @@ class CI_Image_lib {
$width = $this->orig_width;
$height = $this->orig_height;
- if ($this->rotation_angle == 'hor')
+ if ($this->rotation_angle === 'hor')
{
for ($i = 0; $i < $height; $i++, $left = 0, $right = $width-1)
{
@@ -824,21 +1057,17 @@ class CI_Image_lib {
}
}
- // Show the image
- if ($this->dynamic_output == TRUE)
+ // 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($src_img);
// Set the file to 777
@@ -855,19 +1084,11 @@ class CI_Image_lib {
* This is a wrapper function that chooses the type
* of watermarking based on the specified preference.
*
- * @param string
* @return bool
*/
public function watermark()
{
- if ($this->wm_type == 'overlay')
- {
- return $this->overlay_watermark();
- }
- else
- {
- return $this->text_watermark();
- }
+ return ($this->wm_type === 'overlay') ? $this->overlay_watermark() : $this->text_watermark();
}
// --------------------------------------------------------------------
@@ -885,63 +1106,61 @@ class CI_Image_lib {
return FALSE;
}
- // Fetch source image properties
+ // Fetch source image properties
$this->get_image_properties();
- // Fetch watermark image properties
- $props = $this->get_image_properties($this->wm_overlay_path, TRUE);
+ // 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'];
+ $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 ($this->wm_vrt_alignment == 'B')
+ if ($this->wm_vrt_alignment === 'B')
$this->wm_vrt_offset = $this->wm_vrt_offset * -1;
- if ($this->wm_hor_alignment == 'R')
+ 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 + $this->wm_padding;
- // Set the vertical position
- switch ($this->wm_vrt_alignment)
+ // Set the vertical position
+ if ($this->wm_vrt_alignment === 'M')
{
- case 'T':
- break;
- case 'M': $y_axis += ($this->orig_height / 2) - ($wm_height / 2);
- break;
- case 'B': $y_axis += $this->orig_height - $wm_height;
- break;
+ $y_axis += ($this->orig_height / 2) - ($wm_height / 2);
+ }
+ elseif ($this->wm_vrt_alignment === 'B')
+ {
+ $y_axis += $this->orig_height - $wm_height;
}
- // Set the horizontal position
- switch ($this->wm_hor_alignment)
+ // Set the horizontal position
+ if ($this->wm_hor_alignment === 'C')
{
- case 'L':
- break;
- case 'C': $x_axis += ($this->orig_width / 2) - ($wm_width / 2);
- break;
- case 'R': $x_axis += $this->orig_width - $wm_width;
- break;
+ $x_axis += ($this->orig_width / 2) - ($wm_width / 2);
+ }
+ elseif ($this->wm_hor_alignment === 'R')
+ {
+ $x_axis += $this->orig_width - $wm_width;
}
// Build the finalized image
- if ($wm_img_type == 3 AND function_exists('imagealphablending'))
+ if ($wm_img_type === 3 && function_exists('imagealphablending'))
{
@imagealphablending($src_img, TRUE);
}
@@ -963,12 +1182,12 @@ class CI_Image_lib {
imagecopymerge($src_img, $wm_img, $x_axis, $y_axis, 0, 0, $wm_width, $wm_height, $this->wm_opacity);
}
- // Output the image
- if ($this->dynamic_output == TRUE)
+ // Output the image
+ if ($this->dynamic_output === TRUE)
{
$this->image_display_gd($src_img);
}
- elseif ( ! $this->image_save_gd($src_img))
+ elseif ( ! $this->image_save_gd($src_img)) // ... or save it
{
return FALSE;
}
@@ -993,34 +1212,34 @@ class CI_Image_lib {
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
$this->get_image_properties();
// Reverse the vertical offset
// When the image is positioned at the bottom
// we don't want the vertical offset to push it
- // further down. We want the reverse, so we'll
- // invert the offset. Note: The horizontal
+ // further down. We want the reverse, so we'll
+ // invert the offset. Note: The horizontal
// offset flips itself automatically
- if ($this->wm_vrt_alignment == 'B')
+ if ($this->wm_vrt_alignment === 'B')
$this->wm_vrt_offset = $this->wm_vrt_offset * -1;
- if ($this->wm_hor_alignment == 'R')
+ if ($this->wm_hor_alignment === 'R')
$this->wm_hor_offset = $this->wm_hor_offset * -1;
// Set font width and height
// These are calculated differently depending on
// whether we are using the true type font or not
- if ($this->wm_use_truetype == TRUE)
+ if ($this->wm_use_truetype === TRUE)
{
- if ($this->wm_font_size == '')
+ if ($this->wm_font_size === '')
{
$this->wm_font_size = 17;
}
@@ -1039,49 +1258,39 @@ class CI_Image_lib {
$x_axis = $this->wm_hor_offset + $this->wm_padding;
$y_axis = $this->wm_vrt_offset + $this->wm_padding;
- // Set verticle alignment
- if ($this->wm_use_drop_shadow == FALSE)
+ if ($this->wm_use_drop_shadow === FALSE)
$this->wm_shadow_distance = 0;
$this->wm_vrt_alignment = strtoupper(substr($this->wm_vrt_alignment, 0, 1));
$this->wm_hor_alignment = strtoupper(substr($this->wm_hor_alignment, 0, 1));
- switch ($this->wm_vrt_alignment)
+ // Set verticle alignment
+ if ($this->wm_vrt_alignment === 'M')
{
- case 'T':
- break;
- case 'M': $y_axis += ($this->orig_height/2)+($fontheight/2);
- break;
- case 'B': $y_axis += ($this->orig_height - $fontheight - $this->wm_shadow_distance - ($fontheight/2));
- break;
+ $y_axis += ($this->orig_height / 2) + ($fontheight / 2);
+ }
+ elseif ($this->wm_vrt_alignment === 'B')
+ {
+ $y_axis += $this->orig_height - $fontheight - $this->wm_shadow_distance - ($fontheight / 2);
}
$x_shad = $x_axis + $this->wm_shadow_distance;
$y_shad = $y_axis + $this->wm_shadow_distance;
- // Set horizontal alignment
- switch ($this->wm_hor_alignment)
- {
- case 'L':
- break;
- case 'R':
- if ($this->wm_use_drop_shadow)
- {
- $x_shad += ($this->orig_width - $fontwidth*strlen($this->wm_text));
- $x_axis += ($this->orig_width - $fontwidth*strlen($this->wm_text));
- }
- break;
- case 'C':
- if ($this->wm_use_drop_shadow)
- {
- $x_shad += floor(($this->orig_width - $fontwidth*strlen($this->wm_text))/2);
- $x_axis += floor(($this->orig_width - $fontwidth*strlen($this->wm_text))/2);
- }
- break;
- }
-
if ($this->wm_use_drop_shadow)
{
+ // Set horizontal alignment
+ if ($this->wm_hor_alignment === 'R')
+ {
+ $x_shad += $this->orig_width - ($fontwidth * strlen($this->wm_text));
+ $x_axis += $this->orig_width - ($fontwidth * strlen($this->wm_text));
+ }
+ elseif ($this->wm_hor_alignment === 'C')
+ {
+ $x_shad += floor(($this->orig_width - ($fontwidth * strlen($this->wm_text))) / 2);
+ $x_axis += floor(($this->orig_width - ($fontwidth * strlen($this->wm_text))) / 2);
+ }
+
/* Set RGB values for text and shadow
*
* First character is #, so we don't really need it.
@@ -1093,7 +1302,7 @@ class CI_Image_lib {
$drp_color = str_split(substr($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, $this->wm_text);
@@ -1106,8 +1315,8 @@ class CI_Image_lib {
}
}
- // Output the final image
- if ($this->dynamic_output == TRUE)
+ // Output the final image
+ if ($this->dynamic_output === TRUE)
{
$this->image_display_gd($src_img);
}
@@ -1130,14 +1339,15 @@ class CI_Image_lib {
* based on the type of image being processed
*
* @param string
+ * @param string
* @return resource
*/
public function image_create_gd($path = '', $image_type = '')
{
- if ($path == '')
+ if ($path === '')
$path = $this->full_src_path;
- if ($image_type == '')
+ if ($image_type === '')
$image_type = $this->image_type;
@@ -1192,49 +1402,49 @@ class CI_Image_lib {
{
switch ($this->image_type)
{
- case 1 :
- if ( ! function_exists('imagegif'))
- {
- $this->set_error(array('imglib_unsupported_imagecreate', 'imglib_gif_not_supported'));
- return FALSE;
- }
+ case 1:
+ if ( ! function_exists('imagegif'))
+ {
+ $this->set_error(array('imglib_unsupported_imagecreate', 'imglib_gif_not_supported'));
+ return FALSE;
+ }
- if ( ! @imagegif($resource, $this->full_dst_path))
- {
- $this->set_error('imglib_save_failed');
- return FALSE;
- }
- break;
- case 2 :
- if ( ! function_exists('imagejpeg'))
- {
- $this->set_error(array('imglib_unsupported_imagecreate', 'imglib_jpg_not_supported'));
- return FALSE;
- }
+ if ( ! @imagegif($resource, $this->full_dst_path))
+ {
+ $this->set_error('imglib_save_failed');
+ return FALSE;
+ }
+ break;
+ case 2:
+ if ( ! function_exists('imagejpeg'))
+ {
+ $this->set_error(array('imglib_unsupported_imagecreate', 'imglib_jpg_not_supported'));
+ return FALSE;
+ }
- if ( ! @imagejpeg($resource, $this->full_dst_path, $this->quality))
- {
- $this->set_error('imglib_save_failed');
- return FALSE;
- }
- break;
- case 3 :
- if ( ! function_exists('imagepng'))
- {
- $this->set_error(array('imglib_unsupported_imagecreate', 'imglib_png_not_supported'));
- return FALSE;
- }
+ if ( ! @imagejpeg($resource, $this->full_dst_path, $this->quality))
+ {
+ $this->set_error('imglib_save_failed');
+ return FALSE;
+ }
+ break;
+ case 3:
+ if ( ! function_exists('imagepng'))
+ {
+ $this->set_error(array('imglib_unsupported_imagecreate', 'imglib_png_not_supported'));
+ return FALSE;
+ }
- if ( ! @imagepng($resource, $this->full_dst_path))
- {
- $this->set_error('imglib_save_failed');
- return FALSE;
- }
- break;
- default :
- $this->set_error(array('imglib_unsupported_imagecreate'));
- return FALSE;
- break;
+ if ( ! @imagepng($resource, $this->full_dst_path))
+ {
+ $this->set_error('imglib_save_failed');
+ return FALSE;
+ }
+ break;
+ default:
+ $this->set_error(array('imglib_unsupported_imagecreate'));
+ return FALSE;
+ break;
}
return TRUE;
@@ -1250,20 +1460,20 @@ class CI_Image_lib {
*/
public function image_display_gd($resource)
{
- header("Content-Disposition: filename={$this->source_image};");
- header("Content-Type: {$this->mime_type}");
+ header('Content-Disposition: filename='.$this->source_image.';');
+ header('Content-Type: '.$this->mime_type);
header('Content-Transfer-Encoding: binary');
header('Last-Modified: '.gmdate('D, d M Y H:i:s', time()).' GMT');
switch ($this->image_type)
{
- case 1 : imagegif($resource);
+ case 1 : imagegif($resource);
break;
- case 2 : imagejpeg($resource, '', $this->quality);
+ case 2 : imagejpeg($resource, '', $this->quality);
break;
- case 3 : imagepng($resource);
+ case 3 : imagepng($resource);
break;
- default : echo 'Unable to display the image';
+ default: echo 'Unable to display the image';
break;
}
}
@@ -1284,33 +1494,43 @@ class CI_Image_lib {
*/
public function image_reproportion()
{
- if ( ! is_numeric($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);
+ }
}
// --------------------------------------------------------------------
@@ -1321,6 +1541,7 @@ class CI_Image_lib {
* A helper function that gets info about the file
*
* @param string
+ * @param bool
* @return mixed
*/
public function get_image_properties($path = '', $return = FALSE)
@@ -1328,8 +1549,10 @@ class CI_Image_lib {
// For now we require GD but we should
// find a way to determine this using IM or NetPBM
- if ($path == '')
+ if ($path === '')
+ {
$path = $this->full_src_path;
+ }
if ( ! file_exists($path))
{
@@ -1341,7 +1564,7 @@ class CI_Image_lib {
$types = array(1 => 'gif', 2 => 'jpeg', 3 => 'png');
$mime = (isset($types[$vals[2]])) ? 'image/'.$types[$vals[2]] : 'image/jpg';
- if ($return == TRUE)
+ if ($return === TRUE)
{
return array(
'width' => $vals[0],
@@ -1367,15 +1590,15 @@ class CI_Image_lib {
* Size calculator
*
* This function takes a known width x height and
- * recalculates it to a new size. Only one
+ * recalculates it to a new size. Only one
* new variable needs to be known
*
* $props = array(
- * 'width' => $width,
- * 'height' => $height,
- * 'new_width' => 40,
- * 'new_height' => ''
- * );
+ * 'width' => $width,
+ * 'height' => $height,
+ * 'new_width' => 40,
+ * 'new_height' => ''
+ * );
*
* @param array
* @return array
@@ -1391,20 +1614,22 @@ class CI_Image_lib {
foreach ($allowed as $item)
{
- if ( ! isset($vals[$item]) OR $vals[$item] == '')
+ if (empty($vals[$item]))
+ {
$vals[$item] = 0;
+ }
}
- if ($vals['width'] == 0 OR $vals['height'] == 0)
+ if ($vals['width'] === 0 OR $vals['height'] === 0)
{
return $vals;
}
- if ($vals['new_width'] == 0)
+ if ($vals['new_width'] === 0)
{
$vals['new_width'] = ceil($vals['width']*$vals['new_height']/$vals['height']);
}
- elseif ($vals['new_height'] == 0)
+ elseif ($vals['new_height'] === 0)
{
$vals['new_height'] = ceil($vals['new_width']*$vals['height']/$vals['width']);
}
@@ -1419,7 +1644,7 @@ class CI_Image_lib {
*
* This is a helper function that extracts the extension
* from the source_image. This function lets us deal with
- * source_images with multiple periods, like: my.cool.jpg
+ * source_images with multiple periods, like: my.cool.jpg
* It returns an associative array with two elements:
* $array['ext'] = '.jpg';
* $array['name'] = 'my.cool';
@@ -1449,7 +1674,7 @@ class CI_Image_lib {
/* 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 +1692,7 @@ class CI_Image_lib {
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/', '', $gd_version['GD Version']);
}
return FALSE;
@@ -1492,15 +1715,14 @@ class CI_Image_lib {
{
foreach ($msg as $val)
{
-
- $msg = ($CI->lang->line($val) == FALSE) ? $val : $CI->lang->line($val);
+ $msg = ($CI->lang->line($val) === FALSE) ? $val : $CI->lang->line($val);
$this->error_msg[] = $msg;
log_message('error', $msg);
}
}
else
{
- $msg = ($CI->lang->line($msg) == FALSE) ? $msg : $CI->lang->line($msg);
+ $msg = ($CI->lang->line($msg) === FALSE) ? $msg : $CI->lang->line($msg);
$this->error_msg[] = $msg;
log_message('error', $msg);
}
@@ -1512,15 +1734,15 @@ class CI_Image_lib {
* Show error messages
*
* @param string
+ * @param string
* @return string
*/
public function display_errors($open = '<p>', $close = '</p>')
{
- return (count($this->error_msg) > 0) ? $open . implode($close . $open, $this->error_msg) . $close : '';
+ return (count($this->error_msg) > 0) ? $open.implode($close.$open, $this->error_msg).$close : '';
}
}
-// END Image_lib Class
/* End of file Image_lib.php */
-/* Location: ./system/libraries/Image_lib.php */
+/* Location: ./system/libraries/Image_lib.php */ \ No newline at end of file