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<?php
/**
* $Header$
*
* Image processor - extension: php-imagick
* @package liberty
* @subpackage plugins_processor
* @author spider <spider@steelsun.com>
*/
/**
* liberty_imagick_resize_image
*
* @param array $pFileHash
* @access public
* @return TRUE on success, FALSE on failure - mErrors will contain reason for failure
*/
function liberty_imagick_resize_image( &$pFileHash ) {
if( $func = liberty_imagick_get_function( 'resize_image' )) {
return $func( $pFileHash );
}
}
/**
* 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 ) {
if( $func = liberty_imagick_get_function( 'rotate_image' )) {
return $func( $pFileHash );
}
}
/**
* 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 ) {
global $gBitSystem;
$ret = FALSE;
if( !empty( $pMimeType ) ) {
// allow images, pdf, and postscript thumbnailing (eps, ai, etc...)
if( $gBitSystem->isFeatureActive( 'liberty_thumbnail_pdf' )) {
$ret = preg_match( '/(^image|pdf$|postscript$)/i', $pMimeType );
} else {
$ret = preg_match( '/^image/i', $pMimeType );
}
}
return $ret;
}
/**
* liberty_imagick_get_function will automagically pick the correct function based on the version of imagick extension installed
*
* @return valid function.
*/
function liberty_imagick_get_function( $pFunction ) {
$ret = FALSE;
if( extension_loaded( 'imagick' )) {
if( function_exists( 'imagick_readimage' )) {
$version = 0;
} elseif( class_exists( 'Imagick' )) {
$version = 2;
}
}
if( isset( $version ) && !empty( $pFunction )) {
$func = 'liberty_imagick'.$version.'_'.$pFunction;
if( function_exists( $func )) {
$ret = $func;
}
}
return $ret;
}
// =============================================
// ======== Version 0.9* of php-imagick ========
// =============================================
function liberty_imagick0_resize_image( &$pFileHash ) {
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" );
$destFile = liberty_process_generic( $pFileHash, FALSE );
} elseif( imagick_iserror( $iImg ) ) {
// $pFileHash['error'] = imagick_failedreason( $iImg ) . imagick_faileddescription( $iImg );
$destFile = liberty_process_generic( $pFileHash, FALSE );
} else {
imagick_set_image_quality( $iImg, $gBitSystem->getConfig( 'liberty_thumbnail_quality', 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 );
// override $mimeExt if we have a custom setting for it
if( $gBitSystem->isFeatureActive( 'liberty_thumbnail_format' )) {
$mimeExt = $gBitSystem->getConfig( 'liberty_thumbnail_format' );
} else {
list( $type, $mimeExt ) = explode( '/', strtolower( $itype ));
}
if( $mimeExt = preg_replace( "!^(x-)?(jpeg|png|gif)$!", "$2", $mimeExt )) {
$targetType = $mimeExt;
$destExt = '.'.$mimeExt;
}
if( !$mimeExt || $mimeExt == 'jpeg' ) {
$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
if( !empty( $pFileHash['dest_file'] ) ) {
$destFile = $pFileHash['dest_file'];
} else {
$destFile = STORAGE_PKG_PATH.$pFileHash['dest_branch'].$pFileHash['dest_base_name'].$destExt;
}
$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 );
}
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";
$destFile = liberty_process_generic( $pFileHash, FALSE );
}
}
$ret = $destFile;
} else {
$pFileHash['error'] = "No source file to resize";
}
return $ret;
}
function liberty_imagick0_rotate_image( &$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( $pFileHash['error'] ) );
}
// ============================================
// ======== Version 2.* of php-imagick ========
// ============================================
function liberty_imagick2_resize_image( &$pFileHash ) {
global $gBitSystem;
$pFileHash['error'] = NULL;
$ret = NULL;
if( !empty( $pFileHash['source_file'] ) && is_file( $pFileHash['source_file'] )) {
$im = new Imagick();
$im->readImage( $pFileHash['source_file'] );
if( !$im->valid()) {
$destFile = liberty_process_generic( $pFileHash, FALSE );
} else {
$im->setCompressionQuality( $gBitSystem->getConfig( 'liberty_thumbnail_quality', 85 ));
$iwidth = $im->getImageWidth();
$iheight = $im->getImageHeight();
/*
* the math on this was bad and the property assignments were bad - those are fixed.
* however this is disabled since its being invoked by default, which prevents the max height
* from being enforced on portrait images which is counter intuitive. by default the bounding
* rectangle should be enforced. if someone wants this feature, then a flag for this needs to
* be created which will likely require some bigger change up stream, like in gThumbSizes and
* in liberty_generate_thumbnails()
* -wjames5
if((( $iwidth / $iheight ) < 1 ) && !empty( $pFileHash['max_width'] ) && !empty( $pFileHash['max_height'] )) {
// we have a portrait image, flip everything
$temp = $pFileHash['max_height'];
$pFileHash['max_height'] = $pFileHash['max_width'];
$pFileHash['max_width'] = $temp;
}
*/
// override $mimeExt if we have a custom setting for it
if( $gBitSystem->isFeatureActive( 'liberty_thumbnail_format' )) {
$mimeExt = $gBitSystem->getConfig( 'liberty_thumbnail_format' );
} else {
list( $type, $mimeExt ) = explode( '/', strtolower( $pFileHash['type'] ));
}
if( preg_match( "!(png|gif)!", $mimeExt )) {
$targetType = $mimeExt;
$destExt = '.'.$mimeExt;
} else {
$targetType = 'jpeg';
$destExt = '.jpg';
}
if( !empty( $pFileHash['max_width'] ) && !empty( $pFileHash['max_height'] ) && (( $pFileHash['max_width'] < $iwidth || $pFileHash['max_height'] < $iheight ) || $mimeExt != $targetType )) {
if( !empty( $pFileHash['dest_file'] ) ) {
$destFile = $pFileHash['dest_file'];
} else {
$destFile = STORAGE_PKG_PATH.$pFileHash['dest_branch'].$pFileHash['dest_base_name'].$destExt;
}
$pFileHash['name'] = $pFileHash['dest_base_name'].$destExt;
// create thumb and write
$im->thumbnailImage( $pFileHash['max_width'], $pFileHash['max_height'], TRUE );
$im->writeImage( $destFile );
$pFileHash['size'] = filesize( $destFile );
} else {
$destFile = liberty_process_generic( $pFileHash, FALSE );
}
}
// destroy object
$im->destroy();
$ret = $destFile;
} else {
$pFileHash['error'] = "No source file to resize";
}
return $ret;
}
function liberty_imagick2_rotate_image( &$pFileHash ) {
$ret = FALSE;
if( !empty( $pFileHash['source_file'] ) && is_file( $pFileHash['source_file'] )) {
$im = new Imagick();
$im->readImage( $pFileHash['source_file'] );
if( !$im->valid()) {
$destFile = liberty_process_generic( $pFileHash, FALSE );
} elseif( empty( $pFileHash['degrees'] ) || !is_numeric( $pFileHash['degrees'] )) {
$pFileHash['error'] = tra( 'Invalid rotation amount' );
} else {
$im->rotateImage( new ImagickPixel(), $pFileHash['degrees'] );
$im->writeImage( $pFileHash['source_file'] );
}
} else {
$pFileHash['error'] = "No source file to resize";
}
return( empty( $pFileHash['error'] ));
}
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