/includes/class/image.class.php

<?php

/**
 * @Project NUKEVIET 3.0
 * @Author VINADES.,JSC (contact@vinades.vn)
 * @copyright 2009
 * @createdate 12/28/2009 14:30
 */

/**
 * if(!file_exists(NV_ROOTDIR."/uploads/1237974658.jpg")) {
 * @require_once(NV_ROOTDIR."/includes/class/image.class.php");
 * $image = new image(NV_ROOTDIR."/images/logo.png", $max_width,$max_height);
 * $image->resizePercent(200);
 * $image->cropFromCenter(150,200);
 * $image->cropFromLeft(50,50,300,300);
 * $image->addstring("nguyenanh tu", 'right', 'bottom', "", 8);
 * $image->addlogo(NV_ROOTDIR.'/images/logo.png','left','top');
 * $image->resizePercent(30);
 * $image->rotate(45);
 * $image->reflection();
 * $image->show();
 * $image->save(NV_ROOTDIR.'/'.NV_TEMP_DIR.'/');
 * $image->close();
 * print_r($image->create_Image_info);
 * exit;
 * }
 */

if ( defined( 'NV_CLASS_IMAGE_PHP' ) ) return;
define( 'NV_CLASS_IMAGE_PHP', true );

if ( ! defined( 'ERROR_IMAGE1' ) ) define( 'ERROR_IMAGE1', 'The file is not a known image format' );
if ( ! defined( 'ERROR_IMAGE2' ) ) define( 'ERROR_IMAGE2', 'The file is not readable' );
if ( ! defined( 'ERROR_IMAGE3' ) ) define( 'ERROR_IMAGE3', 'File is not supplied or is not a file' );
if ( ! defined( 'ERROR_IMAGE4' ) ) define( 'ERROR_IMAGE4', 'Image type not supported' );
if ( ! defined( 'ERROR_IMAGE5' ) ) define( 'ERROR_IMAGE5', 'Image mime type not supported' );
if ( ! defined( 'ERROR_IMAGE6' ) ) define( 'ERROR_IMAGE6', 'Error loading Image' );

if ( ! defined( 'NV_ROOTDIR' ) ) define( 'NV_ROOTDIR', preg_replace( "/[\/]+$/", '', str_replace( '\\', '/', realpath( dirname( __file__ ) . '/../../' ) ) ) );

/**
 * image
 * 
 * @package
 * @author NUKEVIET 3.0
 * @copyright VINADES
 * @version 2010
 * @access public
 */
class image
{

    var $filename;

    var $is_url = false;

    var $fileinfo = array();

    var $gmaxX = 0;

    var $gmaxY = 0;

    var $error = "";

    var $createImage = false;

    var $create_Image_info = array();

    var $logoimg;

    var $is_destroy = false;

    var $is_createWorkingImage = false;

    /**
     * image::image()
     * 
     * @param mixed $filename
     * @param integer $gmaxX
     * @param integer $gmaxY
     * @return
     */
    function image( $filename, $gmaxX = 0, $gmaxY = 0 )
    {
        if ( preg_match( "/(http|ftp):\/\//i", $filename ) )
        {
            $this->is_url = true;
            $this->filename = $this->set_tempnam( $filename );
        }
        else
        {
            $this->filename = $filename;
        }
        $this->gmaxX = intval( $gmaxX );
        $this->gmaxY = intval( $gmaxY );
        $this->error = "";
        $this->createImage = false;
        $this->create_Image_info = array();
        $this->fileinfo = $this->is_image( $this->filename );
        $this->error = $this->check_file();
        if ( empty( $this->error ) ) $this->get_createImage();
    }

    /**
     * image::is_image()
     * 
     * @param mixed $img
     * @return
     */
    function is_image( $img )
    {
        $typeflag = array();
        $typeflag[1] = array( 'type' => IMAGETYPE_GIF, 'ext' => 'gif' );
        $typeflag[2] = array( 'type' => IMAGETYPE_JPEG, 'ext' => 'jpg' );
        $typeflag[3] = array( 'type' => IMAGETYPE_PNG, 'ext' => 'png' );
        $typeflag[4] = array( 'type' => IMAGETYPE_SWF, 'ext' => 'swf' );
        $typeflag[5] = array( 'type' => IMAGETYPE_PSD, 'ext' => 'psd' );
        $typeflag[6] = array( 'type' => IMAGETYPE_BMP, 'ext' => 'bmp' );
        $typeflag[7] = array( 'type' => IMAGETYPE_TIFF_II, 'ext' => 'tiff' );
        $typeflag[8] = array( 'type' => IMAGETYPE_TIFF_MM, 'ext' => 'tiff' );
        $typeflag[9] = array( 'type' => IMAGETYPE_JPC, 'ext' => 'jpc' );
        $typeflag[10] = array( 'type' => IMAGETYPE_JP2, 'ext' => 'jp2' );
        $typeflag[11] = array( 'type' => IMAGETYPE_JPX, 'ext' => 'jpf' );
        $typeflag[12] = array( 'type' => IMAGETYPE_JB2, 'ext' => 'jb2' );
        $typeflag[13] = array( 'type' => IMAGETYPE_SWC, 'ext' => 'swc' );
        $typeflag[14] = array( 'type' => IMAGETYPE_IFF, 'ext' => 'aiff' );
        $typeflag[15] = array( 'type' => IMAGETYPE_WBMP, 'ext' => 'wbmp' );
        $typeflag[16] = array( 'type' => IMAGETYPE_XBM, 'ext' => 'xbm' );

        $imageinfo = array();
        $file = @getimagesize( $img );
        if ( $file )
        {
            $imageinfo['src'] = $img;
            $imageinfo['width'] = $file[0];
            $imageinfo['height'] = $file[1];
            $imageinfo['mime'] = $file['mime'];
            $imageinfo['type'] = $typeflag[$file[2]]['type'];
            $imageinfo['ext'] = $typeflag[$file[2]]['ext'];
            $imageinfo['bits'] = $file['bits'];
            $imageinfo['channels'] = isset( $file['channels'] ) ? intval( $file['channels'] ) : 0;
        }

        return $imageinfo;
    }

    /**
     * image::set_memory_limit()
     * 
     * @return
     */
    function set_memory_limit()
    {
        $mb = Pow( 1024, 2 );
        $k64 = Pow( 2, 16 );
        $tweakfactor = 1.8;
        $memoryNeeded = round( ( $this->fileinfo['width'] * $this->fileinfo['height'] * $this->fileinfo['bits'] * $this->fileinfo['channels'] / 8 + $k64 ) * $tweakfactor );

        $disable_functions = ( ini_get( "disable_functions" ) != "" and ini_get( "disable_functions" ) != false ) ? array_map( 'trim', preg_split( "/[\s,]+/", ini_get( "disable_functions" ) ) ) : array();

        $memoryHave = ( ( function_exists( 'memory_limit' ) and ! in_array( 'memory_limit', $disable_functions ) ) ) ? @memory_get_usage() : 0;

        $memoryLimitMB = ( integer )ini_get( 'memory_limit' );
        $memoryLimit = $memoryLimitMB * $mb;
        if ( $memoryHave + $memoryNeeded > $memoryLimit )
        {
            $newLimit = $memoryLimitMB + ceil( ( $memoryHave + $memoryNeeded - $memoryLimit ) / $mb );
            if ( ( function_exists( 'memory_limit' ) and ! in_array( 'memory_limit', $disable_functions ) ) )
            {
                ini_set( 'memory_limit', $newLimit . 'M' );
            }
        }
    }

    /**
     * image::get_createImage()
     * 
     * @return
     */
    function get_createImage()
    {
        switch ( $this->fileinfo['type'] )
        {
            case IMAGETYPE_GIF:
                $this->createImage = ImageCreateFromGif( $this->filename );
                break;
            case IMAGETYPE_JPEG:
                $this->createImage = ImageCreateFromJpeg( $this->filename );
                break;
            case IMAGETYPE_PNG:
                $this->createImage = ImageCreateFromPng( $this->filename );
                break;
        }

        if ( ! $this->createImage )
        {
            $this->error = ERROR_IMAGE6;
        }
        else
        {
            $this->create_Image_info = $this->fileinfo;
            $this->is_destroy = false;
        }
    }

    /**
     * image::set_tempnam()
     * 
     * @param mixed $filename
     * @return
     */
    function set_tempnam( $filename )
    {
        $tmpfname = tempnam( NV_ROOTDIR . "/tmp", "tmp" );
        $input = fopen( $filename, "rb" );
        $output = fopen( $tmpfname, "wb" );
        while ( $data = fread( $input, 1024 ) )
        {
            fwrite( $output, $data );
        }
        fclose( $output );
        fclose( $input );
        return $tmpfname;
    }

    /**
     * image::check_file()
     * 
     * @return
     */
    function check_file()
    {
        if ( $this->fileinfo == array() ) return ERROR_IMAGE1;
        if ( ! is_readable( $this->filename ) ) return ERROR_IMAGE2;
        if ( $this->fileinfo['src'] == '' || $this->fileinfo['width'] == 0 || $this->fileinfo['height'] == 0 || $this->fileinfo['mime'] == '' ) return ERROR_IMAGE3;
        if ( ! in_array( $this->fileinfo['type'], array( IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG ) ) ) return ERROR_IMAGE4;
        if ( ! preg_match( "#image\/[x\-]*(jpg|jpeg|pjpeg|gif|png)#is", $this->fileinfo['mime'] ) ) return ERROR_IMAGE5;
        return '';
    }

    /**
     * image::resizeXY()
     * 
     * @param integer $maxX
     * @param integer $maxY
     * @return
     */
    function resizeXY( $maxX = 0, $maxY = 0 )
    {
        if ( empty( $this->error ) )
        {
            if ( $this->is_destroy )
            {
                $this->get_createImage();
            }
            $maxX = intval( $maxX );
            $maxY = intval( $maxY );
            if ( $maxX > $this->gmaxX and $this->gmaxX != 0 ) $maxX = $this->gmaxX;
            if ( $maxY > $this->gmaxY and $this->gmaxY != 0 ) $maxY = $this->gmaxY;
            if ( $maxX < 0 ) $maxX = 0;
            if ( $maxY < 0 ) $maxY = 0;
            if ( ( $maxX != 0 || $maxY != 0 ) and ( $maxX != $this->create_Image_info['width'] || $maxY != $this->create_Image_info['height'] ) )
            {
                if ( $maxX >= $maxY )
                {
                    $newwidth = $maxX;
                    $newheight = ceil( $maxX * $this->create_Image_info['height'] / $this->create_Image_info['width'] );

                    if ( $maxY != 0 and $newheight > $maxY )
                    {
                        $newwidth = ceil( $newwidth / $newheight * $maxY );
                        $newheight = $maxY;
                    }
                }
                else
                {
                    $newwidth = ceil( $this->create_Image_info['width'] / $this->create_Image_info['height'] * $maxY );
                    $newheight = $maxY;

                    if ( $maxX != 0 and $newwidth > $maxX )
                    {
                        $newheight = ceil( $maxX * $newheight / $newwidth );
                        $newwidth = $maxX;
                    }
                }
                $this->set_memory_limit();
                $workingImage = function_exists( "ImageCreateTrueColor" ) ? ImageCreateTrueColor( $newwidth, $newheight ) : ImageCreate( $newwidth, $newheight );
                if ( $workingImage != false )
                {
                    $this->is_createWorkingImage = true;

                    $transparent_index = imagecolortransparent( $this->createImage );
                    if ( $transparent_index >= 0 )
                    {
                        $t_c = imagecolorsforindex( $this->createImage, $transparent_index );
                        $transparent_index = imagecolorallocate( $workingImage, $t_c['red'], $t_c['green'], $t_c['blue'] );
                        if ( false !== $transparent_index and imagefill( $workingImage, 0, 0, $transparent_index ) )
                        {
                            imagecolortransparent( $workingImage, $transparent_index );
                        }
                    }

                    if ( $this->fileinfo['type'] == IMAGETYPE_PNG )
                    {
                        if ( imagealphablending( $workingImage, false ) )
                        {
                            $transparency = imagecolorallocatealpha( $workingImage, 0, 0, 0, 127 );
                            if ( false !== $transparency and imagefill( $workingImage, 0, 0, $transparency ) )
                            {
                                imagesavealpha( $workingImage, true );
                            }
                        }
                    }

                    if ( ImageCopyResampled( $workingImage, $this->createImage, 0, 0, 0, 0, $newwidth, $newheight, $this->create_Image_info['width'], $this->create_Image_info['height'] ) )
                    {
                        $this->createImage = $workingImage;
                        $this->create_Image_info['width'] = $newwidth;
                        $this->create_Image_info['height'] = $newheight;
                    }
                }
            }
        }
    }

    /**
     * image::resizePercent()
     * 
     * @param integer $percent
     * @return
     */
    function resizePercent( $percent = 0 )
    {
        if ( empty( $this->error ) )
        {
            if ( $this->is_destroy )
            {
                $this->get_createImage();
            }
            $percent = intval( $percent );
            if ( $percent <= 0 ) $percent = 100;
            $X = ceil( ( $this->create_Image_info['width'] * $percent ) / 100 );
            $Y = ceil( ( $this->create_Image_info['height'] * $percent ) / 100 );
            if ( $X > $this->gmaxX and $this->gmaxX != 0 ) $X = $this->gmaxX;
            if ( $Y > $this->gmaxY and $this->gmaxY != 0 ) $Y = $this->gmaxY;
            if ( $X != $this->create_Image_info['width'] || $Y != $this->create_Image_info['height'] )
            {
                if ( $X >= $Y )
                {
                    $newwidth = $X;
                    $newheight = ceil( $X * $this->create_Image_info['height'] / $this->create_Image_info['width'] );

                    if ( $Y != 0 and $newheight > $Y )
                    {
                        $newwidth = ceil( $newwidth / $newheight * $Y );
                        $newheight = $Y;
                    }
                }
                else
                {
                    $newwidth = ceil( $this->create_Image_info['width'] / $this->create_Image_info['height'] * $Y );
                    $newheight = $Y;

                    if ( $X != 0 and $newwidth > $X )
                    {
                        $newheight = ceil( $X * $newheight / $newwidth );
                        $newwidth = $X;
                    }
                }
                $this->set_memory_limit();
                $workingImage = function_exists( "ImageCreateTrueColor" ) ? ImageCreateTrueColor( $newwidth, $newheight ) : ImageCreate( $newwidth, $newheight );
                if ( $workingImage != false )
                {
                    $this->is_createWorkingImage = true;

                    $transparent_index = imagecolortransparent( $this->createImage );
                    if ( $transparent_index >= 0 )
                    {
                        $t_c = imagecolorsforindex( $this->createImage, $transparent_index );
                        $transparent_index = imagecolorallocate( $workingImage, $t_c['red'], $t_c['green'], $t_c['blue'] );
                        if ( false !== $transparent_index and imagefill( $workingImage, 0, 0, $transparent_index ) )
                        {
                            imagecolortransparent( $workingImage, $transparent_index );
                        }
                    }

                    if ( $this->fileinfo['type'] == IMAGETYPE_PNG )
                    {
                        if ( imagealphablending( $workingImage, false ) )
                        {
                            $transparency = imagecolorallocatealpha( $workingImage, 0, 0, 0, 127 );
                            if ( false !== $transparency and imagefill( $workingImage, 0, 0, $transparency ) )
                            {
                                imagesavealpha( $workingImage, true );
                            }
                        }
                    }

                    if ( ImageCopyResampled( $workingImage, $this->createImage, 0, 0, 0, 0, $newwidth, $newheight, $this->create_Image_info['width'], $this->create_Image_info['height'] ) )
                    {
                        $this->createImage = $workingImage;
                        $this->create_Image_info['width'] = $newwidth;
                        $this->create_Image_info['height'] = $newheight;
                    }
                }
            }
        }
    }

    /**
     * image::cropFromLeft()
     * 
     * @param mixed $leftX
     * @param mixed $leftY
     * @param mixed $newwidth
     * @param mixed $newheight
     * @return
     */
    function cropFromLeft( $leftX, $leftY, $newwidth, $newheight )
    {
        if ( empty( $this->error ) )
        {
            if ( $this->is_destroy )
            {
                $this->get_createImage();
            }

            $leftX = intval( $leftX );
            $leftY = intval( $leftY );
            $newwidth = intval( $newwidth );
            $newheight = intval( $newheight );
            if ( $leftX < 0 || $leftX >= $this->create_Image_info['width'] ) $leftX = 0;
            if ( $leftY < 0 || $leftY >= $this->create_Image_info['height'] ) $leftY = 0;
            if ( $newwidth <= 0 || ( $newwidth + $leftX > $this->create_Image_info['width'] ) ) $newwidth = $this->create_Image_info['width'] - $leftX;
            if ( $newheight <= 0 || ( $newheight + $leftY > $this->create_Image_info['height'] ) ) $newheight = $this->create_Image_info['height'] - $leftY;
            if ( $newwidth != $this->create_Image_info['width'] || $newheight != $this->create_Image_info['height'] )
            {
                $this->set_memory_limit();
                $workingImage = function_exists( "ImageCreateTrueColor" ) ? ImageCreateTrueColor( $newwidth, $newheight ) : ImageCreate( $newwidth, $newheight );
                if ( $workingImage != false )
                {
                    $this->is_createWorkingImage = true;

                    $transparent_index = imagecolortransparent( $this->createImage );
                    if ( $transparent_index >= 0 )
                    {
                        $t_c = imagecolorsforindex( $this->createImage, $transparent_index );
                        $transparent_index = imagecolorallocate( $workingImage, $t_c['red'], $t_c['green'], $t_c['blue'] );
                        if ( false !== $transparent_index and imagefill( $workingImage, 0, 0, $transparent_index ) )
                        {
                            imagecolortransparent( $workingImage, $transparent_index );
                        }
                    }

                    if ( $this->fileinfo['type'] == IMAGETYPE_PNG )
                    {
                        if ( imagealphablending( $workingImage, false ) )
                        {
                            $transparency = imagecolorallocatealpha( $workingImage, 0, 0, 0, 127 );
                            if ( false !== $transparency and imagefill( $workingImage, 0, 0, $transparency ) )
                            {
                                imagesavealpha( $workingImage, true );
                            }
                        }
                    }

                    if ( ImageCopyResampled( $workingImage, $this->createImage, 0, 0, $leftX, $leftY, $newwidth, $newheight, $newwidth, $newheight ) )
                    {
                        $this->createImage = $workingImage;
                        $this->create_Image_info['width'] = $newwidth;
                        $this->create_Image_info['height'] = $newheight;
                    }
                }
            }
        }
    }

    /**
     * image::cropFromCenter()
     * 
     * @param mixed $newwidth
     * @param mixed $newheight
     * @return
     */
    function cropFromCenter( $newwidth, $newheight )
    {
        if ( empty( $this->error ) )
        {
            if ( $this->is_destroy )
            {
                $this->get_createImage();
            }

            $newwidth = intval( $newwidth );
            $newheight = intval( $newheight );
            if ( $newwidth <= 0 || $newwidth > $this->create_Image_info['width'] ) $newwidth = $this->create_Image_info['width'];
            if ( $newheight <= 0 || $newheight > $this->create_Image_info['height'] ) $newheight = $this->create_Image_info['height'];
            if ( $newwidth < $this->create_Image_info['width'] || $newheight < $this->create_Image_info['height'] )
            {
                $leftX = ( $this->create_Image_info['width'] - $newwidth ) / 2;
                $leftY = ( $this->create_Image_info['height'] - $newheight ) / 2;
                $this->set_memory_limit();
                $workingImage = function_exists( "ImageCreateTrueColor" ) ? ImageCreateTrueColor( $newwidth, $newheight ) : ImageCreate( $newwidth, $newheight );
                if ( $workingImage != false )
                {
                    $this->is_createWorkingImage = true;

                    $transparent_index = imagecolortransparent( $this->createImage );
                    if ( $transparent_index >= 0 )
                    {
                        $t_c = imagecolorsforindex( $this->createImage, $transparent_index );
                        $transparent_index = imagecolorallocate( $workingImage, $t_c['red'], $t_c['green'], $t_c['blue'] );
                        if ( false !== $transparent_index and imagefill( $workingImage, 0, 0, $transparent_index ) )
                        {
                            imagecolortransparent( $workingImage, $transparent_index );
                        }
                    }

                    if ( $this->fileinfo['type'] == IMAGETYPE_PNG )
                    {
                        if ( imagealphablending( $workingImage, false ) )
                        {
                            $transparency = imagecolorallocatealpha( $workingImage, 0, 0, 0, 127 );
                            if ( false !== $transparency and imagefill( $workingImage, 0, 0, $transparency ) )
                            {
                                imagesavealpha( $workingImage, true );
                            }
                        }
                    }

                    if ( ImageCopyResampled( $workingImage, $this->createImage, 0, 0, $leftX, $leftY, $newwidth, $newheight, $newwidth, $newheight ) )
                    {
                        $this->createImage = $workingImage;
                        $this->create_Image_info['width'] = $newwidth;
                        $this->create_Image_info['height'] = $newheight;
                    }
                }
            }
        }
    }

    /**
     * image::addstring()
     * 
     * @param mixed $string
     * @param string $align
     * @param string $valign
     * @param string $font
     * @param integer $fsize
     * @return
     */
    function addstring( $string, $align = 'right', $valign = 'bottom', $font = "", $fsize = 2 )
    {
        if ( empty( $this->error ) )
        {
            if ( $this->is_destroy )
            {
                $this->get_createImage();
            }

            if ( $string != "" )
            {
                $this->set_memory_limit();
                if ( $font == "" ) $font = NV_ROOTDIR . '/includes/fonts/Pixelation.ttf';
                $bbox = imagettfbbox( $fsize, 0, $font, $string );
                $string_width = $bbox[2] - $bbox[0];
                $string_height = $bbox[1] - $bbox[7];
                if ( $string_width != 0 and $string_height != 0 and $string_width + 20 <= $this->create_Image_info['width'] and $string_height + 20 < $this->create_Image_info['height'] )
                {
                    switch ( $align )
                    {
                        case 'left':
                            $X = 10;
                            break;
                        case 'center':
                            $X = ( $this->create_Image_info['width'] - $string_width ) / 2;
                            break;
                        default:
                            $X = $this->create_Image_info['width'] - ( $string_width + 10 );
                    }
                    switch ( $valign )
                    {
                        case 'top':
                            $Y = 10;
                            break;
                        case 'middle':
                            $Y = ( $this->create_Image_info['height'] - $string_height ) / 2;
                            break;
                        default:
                            $Y = $this->create_Image_info['height'] - ( $string_height + 10 );
                    }

                    $grey = imagecolorallocate( $this->createImage, 128, 128, 128 );
                    imagealphablending( $this->createImage, true );
                    imagettftext( $this->createImage, $fsize, 0, $X, $Y, $grey, $font, $string );
                }
            }
        }
    }

    /**
     * image::addlogo()
     * 
     * @param mixed $logo
     * @param string $align
     * @param string $valign
     * @return
     */
    function addlogo( $logo, $align = 'right', $valign = 'bottom' )
    {
        if ( empty( $this->error ) )
        {
            if ( $this->is_destroy )
            {
                $this->get_createImage();
            }

            $logo_info = nv_is_image( $logo );
            if ( $logo_info != array() and $logo_info['width'] != 0 and $logo_info['width'] + 20 <= $this->create_Image_info['width'] and $logo_info['height'] != 0 and $logo_info['height'] + 20 <= $this->create_Image_info['height'] and preg_match( "#imagetype\_(gif|jpeg|png)$#is", $logo_info['type'] ) and preg_match( "#image\/[x\-]*(jpg|pjpeg|gif|png)#is", $logo_info['mime'] ) )
            {
                $this->set_memory_limit();
                switch ( $logo_info['type'] )
                {
                    case IMAGETYPE_GIF:
                        $this->logoimg = ImageCreateFromGif( $logo );
                        break;
                    case IMAGETYPE_JPEG:
                        $this->logoimg = ImageCreateFromJpeg( $logo );
                        break;
                    case IMAGETYPE_PNG:
                        $this->logoimg = ImageCreateFromPng( $logo );
                        break;
                }

                switch ( $align )
                {
                    case 'left':
                        $X = 10;
                        break;
                    case 'center':
                        $X = ceil( ( $this->create_Image_info['width'] - $logo_info['width'] ) / 2 );
                        break;
                    default:
                        $X = $this->create_Image_info['width'] - ( $logo_info['width'] + 10 );
                }
                switch ( $valign )
                {
                    case 'top':
                        $Y = 10;
                        break;
                    case 'middle':
                        $Y = ceil( ( $this->create_Image_info['height'] - $logo_info['height'] ) / 2 );
                        break;
                    default:
                        $Y = $this->create_Image_info['height'] - ( $logo_info['height'] + 10 );
                }

                if ( $this->fileinfo['type'] == IMAGETYPE_PNG and ! $this->is_createWorkingImage )
                {
                    if ( imagealphablending( $this->createImage, false ) )
                    {
                        $transparency = imagecolorallocatealpha( $this->createImage, 0, 0, 0, 127 );
                        if ( false !== $transparency and imagefill( $this->createImage, 0, 0, $transparency ) )
                        {
                            imagesavealpha( $this->createImage, true );
                        }
                    }
                }

                imagealphablending( $this->createImage, true );
                ImageCopyResampled( $this->createImage, $this->logoimg, $X, $Y, 0, 0, $logo_info['width'], $logo_info['height'], $logo_info['width'], $logo_info['height'] );
                //imagecopy($this->createImage, $this->logoimg, $X, $Y, 0, 0, $logo_info['width'], $logo_info['height']);
            }
        }
    }

    /**
     * image::rotate()
     * 
     * @param mixed $direction
     * @return
     */
    function rotate( $direction )
    {
        if ( empty( $this->error ) )
        {
            if ( $this->is_destroy )
            {
                $this->get_createImage();
            }

            $direction = intval( $direction );
            $direction = 360 - $direction % 360;
            if ( $direction != 0 and $direction != 360 )
            {
                $this->set_memory_limit();
                $workingImage = imagerotate( $this->createImage, $direction, -1 );
                imagealphablending( $workingImage, true );
                imagesavealpha( $workingImage, true );
                $this->createImage = $workingImage;
                $this->create_Image_info['width'] = imagesX( $this->createImage );
                $this->create_Image_info['height'] = imagesY( $this->createImage );
            }
        }
    }

    /**
     * image::reflection()
     * 
     * @return
     */
    function reflection()
    {
        if ( empty( $this->error ) )
        {
            if ( $this->is_destroy )
            {
                $this->get_createImage();
            }

            $this->set_memory_limit();
            $newheight = $this->create_Image_info['height'] + ( $this->create_Image_info['height'] / 2 );
            $newwidth = $this->create_Image_info['width'];
            $workingImage = function_exists( "ImageCreateTrueColor" ) ? ImageCreateTrueColor( $newwidth, $newheight ) : ImageCreate( $newwidth, $newheight );
            imagealphablending( $workingImage, false );
            imagesavealpha( $workingImage, true );
            imagecopy( $workingImage, $this->createImage, 0, 0, 0, 0, $this->create_Image_info['width'], $this->create_Image_info['height'] );
            $reflection_height = $this->create_Image_info['height'] / 2;
            $alpha_step = 80 / $reflection_height;
            for ( $y = 1; $y <= $reflection_height; $y++ )
            {
                for ( $x = 0; $x < $newwidth; $x++ )
                {
                    $rgba = imagecolorat( $this->createImage, $x, $this->create_Image_info['height'] - $y );
                    $alpha = ( $rgba & 0x7F000000 ) >> 24;
                    $alpha = max( $alpha, 47 + ( $y * $alpha_step ) );
                    $rgba = imagecolorsforindex( $this->createImage, $rgba );
                    $rgba = imagecolorallocatealpha( $workingImage, $rgba['red'], $rgba['green'], $rgba['blue'], $alpha );
                    imagesetpixel( $workingImage, $x, $this->create_Image_info['height'] + $y - 1, $rgba );
                }
            }
            $this->createImage = $workingImage;
            $this->create_Image_info['height'] = $newheight;
        }
    }

    /**
     * image::show()
     * 
     * @param integer $quality
     * @return
     */
    function show( $quality = 100 )
    {
        if ( empty( $this->error ) )
        {
            if ( $this->is_destroy )
            {
                $this->get_createImage();
            }

            header( "Content-type: " . $this->create_Image_info['mime'] );
            switch ( $this->create_Image_info['type'] )
            {
                case IMAGETYPE_GIF:
                    ImageGif( $this->createImage );
                    break;

                case IMAGETYPE_JPEG:
                    ImageJpeg( $this->createImage, '', $quality );
                    break;

                case IMAGETYPE_PNG:
                    $quality = round( ( $quality / 100 ) * 10 );
                    if ( $quality < 1 ) $quality = 1;
                    elseif ( $quality > 10 ) $quality = 10;
                    $quality = 10 - $quality;

                    ImagePng( $this->createImage, $quality );
                    break;
            }
            $this->close();
        }
    }

    /**
     * image::save()
     * 
     * @param mixed $path
     * @param string $newname
     * @param integer $quality
     * @return
     */
    function save( $path, $newname = '', $quality = 100 )
    {
        if ( empty( $this->error ) )
        {
            if ( $this->is_destroy )
            {
                $this->get_createImage();
            }

            if ( is_dir( $path ) and is_writeable( $path ) )
            {
                if ( empty( $newname ) )
                {
                    $newname = $this->create_Image_info['width'] . '_' . $this->create_Image_info['height'];
                    if ( defined( 'PATHINFO_FILENAME' ) )
                    {
                        $basename = pathinfo( $this->create_Image_info['src'], PATHINFO_FILENAME );
                    }
                    else
                    {
                        $basename = strstr( $this->create_Image_info['src'], '.' ) ? substr( $this->create_Image_info['src'], 0, strrpos( $this->create_Image_info['src'], '.' ) ) : "";
                    }

                    if ( ! empty( $basename ) ) $newname .= '_' . $basename;
                }
                $newname = preg_replace( '/^\W+|\W+$/', '', $newname );
                $newname = preg_replace( '/\s+/', '_', $newname );
                $newname = strtolower( preg_replace( '/\W-/', '', $newname ) );
                $newname = preg_replace( "/." . $this->create_Image_info['ext'] . "$/", '', $newname );
                if ( ! preg_match( "/\/$/", $path ) ) $path = $path . "/";
                $newname = $path . $newname . '.' . $this->create_Image_info['ext'];

                switch ( $this->create_Image_info['type'] )
                {
                    case IMAGETYPE_GIF:
                        ImageGif( $this->createImage, $newname );
                        break;

                    case IMAGETYPE_JPEG:
                        ImageJpeg( $this->createImage, $newname, $quality );
                        break;

                    case IMAGETYPE_PNG:
                        ImagePng( $this->createImage, $newname );
                }

                $this->create_Image_info['src'] = $newname;
            }

            $this->Destroy();
        }
    }

    /**
     * image::Destroy()
     * 
     * @return
     */
    function Destroy()
    {
        if ( is_resource( $this->logoimg ) ) @ImageDestroy( $this->logoimg );
        if ( is_resource( $this->createImage ) ) @ImageDestroy( $this->createImage );
        $this->is_destroy = true;
    }

    /**
     * image::close()
     * 
     * @return
     */
    function close()
    {
        if ( is_resource( $this->logoimg ) ) @ImageDestroy( $this->logoimg );
        if ( is_resource( $this->createImage ) ) @ImageDestroy( $this->createImage );
        if ( $this->is_url )
        {
            @unlink( $this->filename );
            $this->is_url = false;
        }
        $this->is_destroy = true;
    }
}

?>