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<?php
/**
* $Header: /cvsroot/bitweaver/_bit_liberty/plugins/processor.imagick.php,v 1.2 2007/02/16 17:08:59 nickpalmer Exp $
*
* Image processor - extension: php-imagick
* @package liberty
* @author spider <spider@steelsun.com>
*/
/**
* liberty_imagick_resize_image
*
* @param array $pFileHash
* @param array $pFormat
* @access public
* @return TRUE on success, FALSE on failure - mErrors will contain reason for failure
*/
function liberty_imagick_resize_image( &$pFileHash, $pFormat = NULL , $pThumbnail = false) {
global $gBitSystem;
$pFileHash['error'] = NULL;
$ret = NULL;
if( !empty( $pFileHash['source_file'] ) && is_file( $pFileHash['source_file'] ) ) {
$iImg = imagick_readimage( $pFileHash['source_file'] );
if( !$iImg ) {
// $pFileHash['error'] = $pFileHash['name'].' '.tra ( "is not a known image file" );
$destUrl = liberty_process_generic( $pFileHash, FALSE );
} elseif( imagick_iserror( $iImg ) ) {
// $pFileHash['error'] = imagick_failedreason( $iImg ) . imagick_faileddescription( $iImg );
$destUrl = liberty_process_generic( $pFileHash, FALSE );
} else {
imagick_set_image_quality( $iImg, 85 );
$iwidth = imagick_getwidth( $iImg );
$iheight = imagick_getheight( $iImg );
if( (($iwidth / $iheight) > 0) && !empty( $pFileHash['max_width'] ) && !empty( $pFileHash['max_height'] ) ) {
// we have a portrait image, flip everything
$temp = $pFileHash['max_width'];
$pFileHash['max_height'] = $pFileHash['max_width'];
$pFileHash['max_width'] = $temp;
}
$itype = imagick_getmimetype( $iImg );
list($type, $mimeExt) = split( '/', strtolower( $itype ) );
if ($pThumbnail && $gBitSystem->isFeatureActive('liberty_png_thumbnails')) {
$targetType = 'png';
$destExt = '.png';
}
else {
$targetType = 'jpeg';
$destExt = '.jpg';
}
if( !empty( $pFileHash['max_width'] ) && !empty( $pFileHash['max_height'] ) && ( ($pFileHash['max_width'] < $iwidth || $pFileHash['max_height'] < $iheight ) || ($mimeExt != $targetType)) ) {
// We have to resize. *ALL* resizes are converted to jpeg or png
$destUrl = $pFileHash['dest_path'].$pFileHash['dest_base_name'].$destExt;
$destFile = BIT_ROOT_PATH.'/'.$destUrl;
$pFileHash['name'] = $pFileHash['dest_base_name'].$destExt;
// print " if ( !imagick_resize( $iImg, $pFileHash[max_width], $pFileHash[max_height], IMAGICK_FILTER_LANCZOS, 0.5, $pFileHash[max_width] x $pFileHash[max_height] > ) ) {";
// Alternate Filter settings can seen here http://www.dylanbeattie.net/magick/filters/result.html
if ( !imagick_resize( $iImg, $pFileHash['max_width'], $pFileHash['max_height'], IMAGICK_FILTER_CATROM, 1.00, '>' ) ) {
$pFileHash['error'] .= imagick_failedreason( $iImg ) . imagick_faileddescription( $iImg );
}
// print "2YOYOYOYO $iwidth x $iheight $destUrl <br/>"; flush();
if( function_exists( 'imagick_set_attribute' ) ) {
// this exists in the PECL package, but not php-imagick
$imagick_set_attribute($iImg,array("quality"=>1) );
}
if( !imagick_writeimage( $iImg, $destFile ) ) {
$pFileHash['error'] .= imagick_failedreason( $iImg ) . imagick_faileddescription( $iImg );
}
$pFileHash['size'] = filesize( $destFile );
} else {
// print "GENERIC";
$destUrl = liberty_process_generic( $pFileHash, FALSE );
}
}
$ret = $destUrl;
} else {
$pFileHash['error'] = "No source file to resize";
}
return $ret;
}
/**
* liberty_imagick_rotate_image
*
* @param array $pFileHash
* @access public
* @return TRUE on success, FALSE on failure - mErrors will contain reason for failure
*/
function liberty_imagick_rotate_image( &$pFileHash ) {
$ret = FALSE;
if( !empty( $pFileHash['source_file'] ) && is_file( $pFileHash['source_file'] ) ) {
$iImg = imagick_readimage( $pFileHash['source_file'] );
if( !$iImg ) {
$pFileHash['error'] = $pFileHash['name'].' '.tra ( "is not a known image file" );
} elseif( imagick_iserror( $iImg ) ) {
$pFileHash['error'] = imagick_failedreason( $iImg ) . imagick_faileddescription( $iImg );
} elseif( empty( $pFileHash['degrees'] ) || !is_numeric( $pFileHash['degrees'] ) ) {
$pFileHash['error'] = tra( 'Invalid rotation amount' );
} else {
if ( !imagick_rotate( $iImg, $pFileHash['degrees'] ) ) {
$pFileHash['error'] .= imagick_failedreason( $iImg ) . imagick_faileddescription( $iImg );
}
if( !imagick_writeimage( $iImg, $pFileHash['source_file'] ) ) {
$pFileHash['error'] .= imagick_failedreason( $iImg ) . imagick_faileddescription( $iImg );
}
}
} else {
$pFileHash['error'] = "No source file to resize";
}
return( empty( $pFileHash['error'] ) );
}
/**
* liberty_imagick_can_thumbnail_image
*
* @param array $pMimeType
* @access public
* @return TRUE on success, FALSE on failure - mErrors will contain reason for failure
*/
function liberty_imagick_can_thumbnail_image( $pMimeType ) {
$ret = FALSE;
if( !empty( $pMimeType ) ) {
$ret = preg_match( '/^image/i', $pMimeType );
}
return $ret;
}
?>
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