diff options
Diffstat (limited to 'system/libraries/Image_lib.php')
-rw-r--r-- | system/libraries/Image_lib.php | 118 |
1 files changed, 59 insertions, 59 deletions
diff --git a/system/libraries/Image_lib.php b/system/libraries/Image_lib.php index 8902f524d..099a238dd 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 if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * @@ -26,7 +26,7 @@ */ class CI_Image_lib { - var $image_library = 'gd2'; // Can be: imagemagick, netpbm, gd, gd2 + var $image_library = 'gd2'; // Can be: imagemagick, netpbm, gd, gd2 var $library_path = ''; var $dynamic_output = FALSE; // Whether to send to browser or write to disk var $source_image = ''; @@ -37,28 +37,28 @@ class CI_Image_lib { var $create_thumb = FALSE; var $thumb_marker = '_thumb'; var $maintain_ratio = TRUE; // Whether to maintain aspect ratio when resizing or use hard values - var $master_dim = 'auto'; // auto, height, or width. Determines what to use as the master dimension + var $master_dim = 'auto'; // auto, height, or width. Determines what to use as the master dimension var $rotation_angle = ''; var $x_axis = ''; var $y_axis = ''; // Watermark Vars var $wm_text = ''; // Watermark text if graphic is not used - var $wm_type = 'text'; // Type of watermarking. Options: text/overlay + var $wm_type = 'text'; // Type of watermarking. Options: text/overlay var $wm_x_transp = 4; var $wm_y_transp = 4; var $wm_overlay_path = ''; // Watermark image path var $wm_font_path = ''; // TT font var $wm_font_size = 17; // Font size (different versions of GD will either use points or pixels) - var $wm_vrt_alignment = 'B'; // Vertical alignment: T M B + var $wm_vrt_alignment = 'B'; // Vertical alignment: T M B var $wm_hor_alignment = 'C'; // Horizontal alignment: L R C var $wm_padding = 0; // Padding around text var $wm_hor_offset = 0; // Lets you push text to the right - var $wm_vrt_offset = 0; // Lets you push text down + var $wm_vrt_offset = 0; // Lets you push text down var $wm_font_color = '#ffffff'; // Text color var $wm_shadow_color = ''; // Dropshadow color var $wm_shadow_distance = 2; // Dropshadow distance - var $wm_opacity = 50; // Image opacity: 1 - 100 Only works with image + var $wm_opacity = 50; // Image opacity: 1 - 100 Only works with image // Private Vars var $source_folder = ''; @@ -146,14 +146,14 @@ class CI_Image_lib { if ($this->source_image == '') { $this->set_error('imglib_source_image_required'); - return FALSE; + return FALSE; } /* * 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 * */ @@ -189,7 +189,7 @@ class CI_Image_lib { // Set the Image Properties if ( ! $this->get_image_properties($this->source_folder.$this->source_image)) { - return FALSE; + return FALSE; } /* @@ -197,7 +197,7 @@ class CI_Image_lib { * * If the user has set a "new_image" name it means * we are making a copy of the source image. If not - * it means we are altering the original. We'll + * it means we are altering the original. We'll * set the destination filename and path accordingly. * */ @@ -267,7 +267,7 @@ class CI_Image_lib { * * When creating thumbs or copies, the target width/height * might not be in correct proportion with the source - * image's width/height. We'll recalculate it here. + * image's width/height. We'll recalculate it here. * */ if ($this->maintain_ratio === TRUE && ($this->width != '' AND $this->height != '')) @@ -399,7 +399,7 @@ class CI_Image_lib { if ($this->rotation_angle == '' OR ! in_array($this->rotation_angle, $degs)) { $this->set_error('imglib_rotation_angle_required'); - return FALSE; + return FALSE; } // Reassign the width and height @@ -469,8 +469,8 @@ class CI_Image_lib { // Let's set up our values based on the action if ($action == 'crop') { - // Reassign the source width/height if cropping - $this->orig_width = $this->width; + // Reassign the source width/height if cropping + $this->orig_width = $this->width; $this->orig_height = $this->height; // GD 2.0 has a cropping bug so we'll test for it @@ -487,19 +487,19 @@ class CI_Image_lib { $this->y_axis = 0; } - // Create the image handle + // Create the image handle if ( ! ($src_img = $this->image_create_gd())) { return FALSE; } - // Create The Image + // Create The Image // - // old conditional which users report cause problems with shared GD libs who report themselves as "2.0 or greater" - // it appears that this is no longer the issue that it was in 2004, so we've removed it, retaining it in the comment - // below should that ever prove inaccurate. + // old conditional which users report cause problems with shared GD libs who report themselves as "2.0 or greater" + // it appears that this is no longer the issue that it was in 2004, so we've removed it, retaining it in the comment + // below should that ever prove inaccurate. // - // if ($this->image_library == 'gd2' AND function_exists('imagecreatetruecolor') AND $v2_override == FALSE) + // if ($this->image_library == 'gd2' AND function_exists('imagecreatetruecolor') AND $v2_override == FALSE) if ($this->image_library == 'gd2' AND function_exists('imagecreatetruecolor')) { $create = 'imagecreatetruecolor'; @@ -521,7 +521,7 @@ class CI_Image_lib { $copy($dst_img, $src_img, 0, 0, $this->x_axis, $this->y_axis, $this->width, $this->height, $this->orig_width, $this->orig_height); - // Show the image + // Show the image if ($this->dynamic_output == TRUE) { $this->image_display_gd($dst_img); @@ -535,7 +535,7 @@ class CI_Image_lib { } } - // Kill the file handles + // Kill the file handles imagedestroy($dst_img); imagedestroy($src_img); @@ -558,7 +558,7 @@ class CI_Image_lib { */ function image_process_imagemagick($action = 'resize') { - // Do we have a vaild library path? + // Do we have a vaild library path? if ($this->library_path == '') { $this->set_error('imglib_libpath_invalid'); @@ -593,7 +593,7 @@ class CI_Image_lib { $cmd .= " ".$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\" \"$this->full_dst_path\" 2>&1"; } @@ -634,7 +634,7 @@ class CI_Image_lib { return FALSE; } - // Build the resizing command + // Build the resizing command switch ($this->image_type) { case 1 : @@ -684,7 +684,7 @@ class CI_Image_lib { @exec($cmd, $output, $retval); - // Did it work? + // Did it work? if ($retval > 0) { $this->set_error('imglib_image_process_failed'); @@ -711,7 +711,7 @@ class CI_Image_lib { */ function image_rotate_gd() { - // Create the image handle + // Create the image handle if ( ! ($src_img = $this->image_create_gd())) { return FALSE; @@ -724,10 +724,10 @@ class CI_Image_lib { $white = imagecolorallocate($src_img, 255, 255, 255); - // Rotate it! + // Rotate it! $dst_img = imagerotate($src_img, $this->rotation_angle, $white); - // Save the Image + // Save the Image if ($this->dynamic_output == TRUE) { $this->image_display_gd($dst_img); @@ -741,7 +741,7 @@ class CI_Image_lib { } } - // Kill the file handles + // Kill the file handles imagedestroy($dst_img); imagedestroy($src_img); @@ -769,14 +769,14 @@ class CI_Image_lib { return FALSE; } - $width = $this->orig_width; + $width = $this->orig_width; $height = $this->orig_height; if ($this->rotation_angle == 'hor') { for ($i = 0; $i < $height; $i++) { - $left = 0; + $left = 0; $right = $width-1; while ($left < $right) @@ -813,7 +813,7 @@ class CI_Image_lib { } } - // Show the image + // Show the image if ($this->dynamic_output == TRUE) { $this->image_display_gd($src_img); @@ -827,7 +827,7 @@ class CI_Image_lib { } } - // Kill the file handles + // Kill the file handles imagedestroy($src_img); // Set the file to 777 @@ -876,24 +876,24 @@ class CI_Image_lib { 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 - $wm_img = $this->image_create_gd($this->wm_overlay_path, $wm_img_type); + // 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)); @@ -905,11 +905,11 @@ class CI_Image_lib { 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': @@ -920,7 +920,7 @@ class CI_Image_lib { break; } - // Set the horizontal position + // Set the horizontal position switch ($this->wm_hor_alignment) { case 'L': @@ -931,7 +931,7 @@ class CI_Image_lib { break; } - // Build the finalized image + // Build the finalized image if ($wm_img_type == 3 AND function_exists('imagealphablending')) { @imagealphablending($src_img, TRUE); @@ -954,7 +954,7 @@ class CI_Image_lib { imagecopymerge($src_img, $wm_img, $x_axis, $y_axis, 0, 0, $wm_width, $wm_height, $this->wm_opacity); } - // Output the image + // Output the image if ($this->dynamic_output == TRUE) { $this->image_display_gd($src_img); @@ -994,7 +994,7 @@ class CI_Image_lib { return FALSE; } - // Fetch source image properties + // Fetch source image properties $this->get_image_properties(); // Set RGB values for text and shadow @@ -1015,8 +1015,8 @@ class CI_Image_lib { // Reverse the vertical offset // When the image is positioned at the bottom // we don't want the vertical offset to push it - // further down. We want the reverse, so we'll - // invert the offset. Note: The horizontal + // further down. We want the reverse, so we'll + // invert the offset. Note: The horizontal // offset flips itself automatically if ($this->wm_vrt_alignment == 'B') @@ -1033,13 +1033,13 @@ class CI_Image_lib { if ($this->wm_font_size == '') $this->wm_font_size = '17'; - $fontwidth = $this->wm_font_size-($this->wm_font_size/4); + $fontwidth = $this->wm_font_size-($this->wm_font_size/4); $fontheight = $this->wm_font_size; $this->wm_vrt_offset += $this->wm_font_size; } else { - $fontwidth = imagefontwidth($this->wm_font_size); + $fontwidth = imagefontwidth($this->wm_font_size); $fontheight = imagefontheight($this->wm_font_size); } @@ -1080,11 +1080,11 @@ class CI_Image_lib { 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); + $x_axis += floor(($this->orig_width -$fontwidth*strlen($this->wm_text))/2); break; } - // Add the text to the source image + // Add the text to the source image if ($this->wm_use_truetype) { if ($this->wm_use_drop_shadow) @@ -1098,7 +1098,7 @@ class CI_Image_lib { imagestring($src_img, $this->wm_font_size, $x_axis, $y_axis, $this->wm_text, $txt_color); } - // Output the final image + // Output the final image if ($this->dynamic_output == TRUE) { $this->image_display_gd($src_img); @@ -1366,7 +1366,7 @@ 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( @@ -1374,7 +1374,7 @@ class CI_Image_lib { * 'height' => $height, * 'new_width' => 40, * 'new_height' => '' - * ); + * ); * * @access public * @param array @@ -1418,10 +1418,10 @@ class CI_Image_lib { * Explode source_image * * 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 + * from the source_image. This function lets us deal with + * source_images with multiple periods, like: my.cool.jpg * It returns an associative array with two elements: - * $array['ext'] = '.jpg'; + * $array['ext'] = '.jpg'; * $array['name'] = 'my.cool'; * * @access public |