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-rw-r--r--system/libraries/Image_lib.php608
1 files changed, 457 insertions, 151 deletions
diff --git a/system/libraries/Image_lib.php b/system/libraries/Image_lib.php
index 1ab8b23e0..7f937f99b 100644
--- a/system/libraries/Image_lib.php
+++ b/system/libraries/Image_lib.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
@@ -24,6 +24,7 @@
* @since Version 1.0
* @filesource
*/
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Image Manipulation class
@@ -36,56 +37,336 @@
*/
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;
+ /**
+ * Initialize Image Library
+ *
+ * @param array $props
+ * @return void
+ */
public function __construct($props = array())
{
if (count($props) > 0)
@@ -116,7 +397,7 @@ 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';
$this->maintain_ratio = TRUE;
@@ -186,7 +467,7 @@ class CI_Image_lib {
}
// Is there a source image? If not, there's no reason to continue
- if ($this->source_image == '')
+ if ($this->source_image === '')
{
$this->set_error('imglib_source_image_required');
return FALSE;
@@ -239,7 +520,7 @@ class CI_Image_lib {
* it means we are altering the original. We'll
* set the destination filename and path accordingly.
*/
- if ($this->new_image == '')
+ if ($this->new_image === '')
{
$this->dest_image = $this->source_image;
$this->dest_folder = $this->source_folder;
@@ -282,7 +563,7 @@ class CI_Image_lib {
* We'll also split the destination image name
* so we can insert the thumbnail marker if needed.
*/
- if ($this->create_thumb === FALSE OR $this->thumb_marker == '')
+ if ($this->create_thumb === FALSE OR $this->thumb_marker === '')
{
$this->thumb_marker = '';
}
@@ -301,7 +582,7 @@ class CI_Image_lib {
* might not be in correct proportion with the source
* image's width/height. We'll recalculate it here.
*/
- if ($this->maintain_ratio === TRUE && ($this->width != 0 OR $this->height != 0))
+ if ($this->maintain_ratio === TRUE && ($this->width !== 0 OR $this->height !== 0))
{
$this->image_reproportion();
}
@@ -311,12 +592,12 @@ class CI_Image_lib {
* If the destination width/height was not submitted we
* will use the values from the actual file
*/
- if ($this->width == '')
+ if ($this->width === '')
{
$this->width = $this->orig_width;
}
- if ($this->height == '')
+ if ($this->height === '')
{
$this->height = $this->orig_height;
}
@@ -324,31 +605,31 @@ class CI_Image_lib {
// Set the quality
$this->quality = trim(str_replace('%', '', $this->quality));
- if ($this->quality == '' OR $this->quality == 0 OR ! preg_match('/^[0-9]+$/', $this->quality))
+ if ($this->quality === '' OR $this->quality === 0 OR ! ctype_digit($this->quality))
{
$this->quality = 90;
}
// Set the x/y coordinates
- $this->x_axis = ($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 : $this->y_axis;
+ is_numeric($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));
}
- if ($this->wm_shadow_color != '')
+ if ($this->wm_shadow_color !== '')
{
$this->wm_use_drop_shadow = TRUE;
}
- elseif ($this->wm_use_drop_shadow == TRUE && $this->wm_shadow_color == '')
+ elseif ($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;
}
@@ -403,14 +684,14 @@ 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 = $this->orig_width;
@@ -449,9 +730,9 @@ class CI_Image_lib {
// If the target width/height match the source, AND if the new file name is not equal to the old file name
// we'll simply make a copy of the original with the new name... assuming dynamic rendering is off.
- if ($this->dynamic_output === FALSE && $this->orig_width == $this->width && $this->orig_height == $this->height)
+ if ($this->dynamic_output === FALSE && $this->orig_width === $this->width && $this->orig_height === $this->height)
{
- if ($this->source_image != $this->new_image && @copy($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);
}
@@ -460,7 +741,7 @@ 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
$this->orig_width = $this->width;
@@ -470,7 +751,7 @@ class CI_Image_lib {
if ($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
@@ -492,7 +773,7 @@ class CI_Image_lib {
* 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') && $v2_override === FALSE)
*/
if ($this->image_library === 'gd2' && function_exists('imagecreatetruecolor'))
{
@@ -507,7 +788,7 @@ 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);
@@ -516,7 +797,7 @@ 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)
+ if ($this->dynamic_output === TRUE)
{
$this->image_display_gd($dst_img);
}
@@ -548,7 +829,7 @@ 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;
@@ -562,11 +843,11 @@ class CI_Image_lib {
// Execute the command
$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.'" "'.$this->full_dst_path .'" 2>&1';
}
- elseif ($action == 'rotate')
+ elseif ($action === 'rotate')
{
$angle = ($this->rotation_angle === 'hor' OR $this->rotation_angle === 'vrt')
? '-flop' : '-rotate '.$this->rotation_angle;
@@ -575,11 +856,22 @@ class CI_Image_lib {
}
else // Resize
{
- $cmd .= ' -resize '.$this->width.'x'.$this->height.' "'.$this->full_src_path.'" "'.$this->full_dst_path.'" 2>&1';
+ if($this->maintain_ratio === TRUE)
+ {
+ $cmd .= ' -resize '.$this->width.'x'.$this->height.' "'.$this->full_src_path.'" "'.$this->full_dst_path.'" 2>&1';
+ }
+ else
+ {
+ $cmd .= ' -resize '.$this->width.'x'.$this->height.'\! "'.$this->full_src_path.'" "'.$this->full_dst_path.'" 2>&1';
+ }
}
$retval = 1;
- @exec($cmd, $output, $retval);
+ // exec() might be disabled
+ if (function_usable('exec'))
+ {
+ @exec($cmd, $output, $retval);
+ }
// Did it work?
if ($retval > 0)
@@ -606,7 +898,7 @@ class CI_Image_lib {
*/
public function image_process_netpbm($action = 'resize')
{
- if ($this->library_path == '')
+ if ($this->library_path === '')
{
$this->set_error('imglib_libpath_invalid');
return FALSE;
@@ -616,36 +908,36 @@ class CI_Image_lib {
switch ($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;
}
@@ -659,7 +951,11 @@ 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, $retval);
+ // exec() might be disabled
+ if (function_usable('exec'))
+ {
+ @exec($cmd, $output, $retval);
+ }
// Did it work?
if ($retval > 0)
@@ -671,7 +967,7 @@ class CI_Image_lib {
// With NetPBM we have to create a temporary image.
// If you try manipulating the original it fails so
// we have to rename the temp file.
- copy ($this->dest_folder.'netpbm.tmp', $this->full_dst_path);
+ copy($this->dest_folder.'netpbm.tmp', $this->full_dst_path);
unlink($this->dest_folder.'netpbm.tmp');
@chmod($this->full_dst_path, FILE_WRITE_MODE);
@@ -704,7 +1000,7 @@ class CI_Image_lib {
$dst_img = imagerotate($src_img, $this->rotation_angle, $white);
// Show the image
- if ($this->dynamic_output == TRUE)
+ if ($this->dynamic_output === TRUE)
{
$this->image_display_gd($dst_img);
}
@@ -778,7 +1074,7 @@ class CI_Image_lib {
}
// Show the image
- if ($this->dynamic_output == TRUE)
+ if ($this->dynamic_output === TRUE)
{
$this->image_display_gd($src_img);
}
@@ -804,7 +1100,6 @@ 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()
@@ -850,10 +1145,10 @@ class CI_Image_lib {
$this->wm_vrt_alignment = strtoupper($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 = $this->wm_hor_offset * -1;
// Set the base x and y axis values
@@ -881,7 +1176,7 @@ class CI_Image_lib {
}
// Build the finalized image
- if ($wm_img_type == 3 && function_exists('imagealphablending'))
+ if ($wm_img_type === 3 && function_exists('imagealphablending'))
{
@imagealphablending($src_img, TRUE);
}
@@ -904,7 +1199,7 @@ class CI_Image_lib {
}
// Output the image
- if ($this->dynamic_output == TRUE)
+ if ($this->dynamic_output === TRUE)
{
$this->image_display_gd($src_img);
}
@@ -933,7 +1228,7 @@ class CI_Image_lib {
return FALSE;
}
- if ($this->wm_use_truetype == TRUE && ! file_exists($this->wm_font_path))
+ if ($this->wm_use_truetype === TRUE && ! file_exists($this->wm_font_path))
{
$this->set_error('imglib_missing_font');
return FALSE;
@@ -949,18 +1244,18 @@ class CI_Image_lib {
// invert the offset. Note: The horizontal
// offset flips itself automatically
- if ($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;
}
@@ -979,11 +1274,11 @@ class CI_Image_lib {
$x_axis = $this->wm_hor_offset + $this->wm_padding;
$y_axis = $this->wm_vrt_offset + $this->wm_padding;
- if ($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));
+ $this->wm_vrt_alignment = strtoupper($this->wm_vrt_alignment[0]);
+ $this->wm_hor_alignment = strtoupper($this->wm_hor_alignment[0]);
// Set verticle alignment
if ($this->wm_vrt_alignment === 'M')
@@ -1034,10 +1329,17 @@ class CI_Image_lib {
imagestring($src_img, $this->wm_font_size, $x_shad, $y_shad, $this->wm_text, $drp_color);
imagestring($src_img, $this->wm_font_size, $x_axis, $y_axis, $this->wm_text, $txt_color);
}
+
+ // We can preserve transparency for PNG images
+ if ($this->image_type === 3)
+ {
+ imagealphablending($src_img, FALSE);
+ imagesavealpha($src_img, TRUE);
+ }
}
// Output the final image
- if ($this->dynamic_output == TRUE)
+ if ($this->dynamic_output === TRUE)
{
$this->image_display_gd($src_img);
}
@@ -1060,14 +1362,15 @@ 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 = $this->image_type;
@@ -1122,49 +1425,49 @@ class CI_Image_lib {
{
switch ($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:
+ $this->set_error(array('imglib_unsupported_imagecreate'));
+ return FALSE;
+ break;
}
return TRUE;
@@ -1187,13 +1490,13 @@ class CI_Image_lib {
switch ($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($resource);
break;
- default : echo 'Unable to display the image';
+ default: echo 'Unable to display the image';
break;
}
}
@@ -1214,14 +1517,14 @@ class CI_Image_lib {
*/
public function image_reproportion()
{
- if (($this->width == 0 && $this->height == 0) OR $this->orig_width == 0 OR $this->orig_height == 0
- OR ( ! preg_match('/^[0-9]+$/', $this->width) && ! preg_match('/^[0-9]+$/', $this->height))
- OR ! preg_match('/^[0-9]+$/', $this->orig_width) OR ! preg_match('/^[0-9]+$/', $this->orig_height))
+ if (($this->width === 0 && $this->height === 0) OR $this->orig_width === 0 OR $this->orig_height === 0
+ OR ( ! ctype_digit((string) $this->width) && ! ctype_digit((string) $this->height))
+ OR ! ctype_digit((string) $this->orig_width) OR ! ctype_digit((string) $this->orig_height))
{
return;
}
- // Sanitize so we don't call preg_match() anymore
+ // Sanitize
$this->width = (int) $this->width;
$this->height = (int) $this->height;
@@ -1261,6 +1564,7 @@ class CI_Image_lib {
* A helper function that gets info about the file
*
* @param string
+ * @param bool
* @return mixed
*/
public function get_image_properties($path = '', $return = FALSE)
@@ -1268,7 +1572,7 @@ class CI_Image_lib {
// For now we require GD but we should
// find a way to determine this using IM or NetPBM
- if ($path == '')
+ if ($path === '')
{
$path = $this->full_src_path;
}
@@ -1283,7 +1587,7 @@ 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' => $vals[0],
@@ -1333,20 +1637,22 @@ class CI_Image_lib {
foreach ($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']);
}
@@ -1432,15 +1738,14 @@ 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', $msg);
}
@@ -1452,6 +1757,7 @@ class CI_Image_lib {
* Show error messages
*
* @param string
+ * @param string
* @return string
*/
public function display_errors($open = '<p>', $close = '</p>')
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-12-01 13:00:02 +0100