/ php-ppcms/lib/Smarty-2.6.14/libs/plugins/function.pp_pimage.php

<?php

/**

 * Smarty plugin

 * @package Smarty

 * @subpackage plugins

 */





/**

 * Smarty {pp_pimage} function plugin

 *

 * Type:     function<br>

 * Name:     pp_pimage<br>

 * Date:     Feb 24, 2003<br>

 * Purpose:  format HTML tags for the image<br>

 * Input:<br>

 *         - file = file (and path) of image (required)

 *         - height = image height (optional, default actual height)

 *         - width = image width (optional, default actual width)

 *         - basedir = base directory for absolute paths, default

 *                     is environment variable DOCUMENT_ROOT

 *         - path_prefix = prefix for path output (optional, default empty)

 *

 * Examples: {pp_pimage file="/images/masthead.gif"}

 * Output:   <img src="/images/masthead.gif" width=400 height=23>

 * @link http://smarty.php.net/manual/en/language.function.html.image.php {pp_pimage}

 *      (Smarty online manual)

 * @author   Monte Ohrt <monte at ohrt dot com>

 * @author credits to Duda <duda@big.hu> - wrote first image function

 *           in repository, helped with lots of functionality

 * @version  1.0

 * @param array

 * @param Smarty

 * @return string

 * @uses smarty_function_escape_special_chars()

 */

function smarty_function_pp_pimage($params, &$smarty)

{

    require_once $smarty->_get_plugin_filepath('shared','escape_special_chars');

	

    $url = '';

    $src = '';

	$basedir = '';

	$path_prefix = '';

    $alt = '';

    $width = '';

    $height = '';

	$lw = '';

	$lh = '';

	$size = '';

	$pid = $id = '';

    $extra = '';

	

	$type = 'thumb';

	$product = NULL;

	

    foreach($params as $_key => $_val) {

        switch($_key) {

            case 'url':

            case 'src':

			case 'basedir':

			case 'path_prefix':

            case 'alt':

            case 'width':

            case 'height':

            case 'lw':

			case 'lh':

			case 'size':

			case 'pid':

			case 'id':

                $$_key = $_val;

                break;

			

			case 'type':

			case 'product':

				$$_key = $_val;

				break;

			

            case 'link':

            case 'href':

                $prefix = '<a href="' . $_val . '">';

                $suffix = '</a>';

                break;

				

			default:

                if(!is_array($_val)) {

                    $extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"';

                } else {

                    $smarty->trigger_error("pp_pimage: extra attribute '$_key' cannot be an array", E_USER_NOTICE);

                }

				break;

		}

	}

	

	//

	if( substr($path_prefix, 0, 3) == '===' ) {

		$path_prefix = constant(substr($path_prefix, 3));

	}

	

	//

	if($src != '' && $size == 1 && (!isset($params['width']) || !isset($params['height']))) {

		if( substr($basedir, 0, 3) == '===' ) {

			$basedir = constant(substr($basedir, 3));

		}

		$_image_path = $basedir.$path_prefix.$src;

        if(!$_image_data = @getimagesize($_image_path)) {

            if(!file_exists($_image_path)) {

                $smarty->trigger_error("pp_pimage: unable to find '$_image_path'", E_USER_NOTICE);

                return;

            } else if(!is_readable($_image_path)) {

                $smarty->trigger_error("pp_pimage: unable to read '$_image_path'", E_USER_NOTICE);

                return;

            } else {

                $smarty->trigger_error("pp_pimage: '$_image_path' is not a valid image file", E_USER_NOTICE);

                return;

            }

        }

        if(!isset($params['width'])) {

            $width = $_image_data[0];

        }

        if(!isset($params['height'])) {

            $height = $_image_data[1];

        }

    }

	

	//

	if( isset($product) ) {

		$src = $product['products_image'];

		$width = $product['products_image_width'];

		$height = $product['products_image_height'];

		

		if( $type == 'thumb' ) {

			if( $url == '' ) {

				$url = $smarty->get_vars_context('PRODUCTTHUMBIMAGE');

			}

			if( $lw == '' ) {

				$lw = 120;

			}

			if( $lh == '' ) {

				$lh = 120;

			}

		} elseif( $type == 'resize' ) {

			if( $url == '' ) {

				$url = $smarty->get_vars_context('PRODUCTRESIZEIMAGE');

			}

			if( $lw == '' ) {

				$lw = 120;

			}

			if( $lh == '' ) {

				$lh = 120;

			}

		} elseif( $type == 'origin' ) {

			if( $url == '' ) {

				$url = $smarty->get_vars_context('PRODUCTORIGINIMAGE');

			}

			if( $lw == '' ) {

				$lw = 120;

			}

			if( $lh == '' ) {

				$lh = 120;

			}

		} else {

			if( $url == '' ) {

				$url = $smarty->get_vars_context('PRODUCTTHUMBIMAGE');

			}

			if( $lw == '' ) {

				$lw = 120;

			}

			if( $lh == '' ) {

				$lh = 120;

			}

		}

	}

	

	//

	if( $src == '' ) {

		return '';

	}

	

	if( $lw == '' && $lh == '' ) {

		if( strpos($url, 'thumb') !== false ) {

			$lw = 200;

			$lh = 200;

		} elseif( strpos($url, 'resize') !== false ) {

			$lw = 500;

			$lh = 500;

		}

	}

	

	if( $height > 0 && $width > 0 && $lw > 0 && $lh > 0 ) {

		$ratio = $width / $height;

		$ratio_set = $lw / $lh;

		if( $ratio >= $ratio_set ) {

			$lh = ceil($height * ( $lw / $width ));

		} else {

			$lw = ceil($width * ( $lh / $height ));

		}

	}

	

	if( $id != '' ) {

		$id = ' id="' . $pid . $id . '"';

	}

	

	//swf

	if( substr($src, -4) == '.swf' ) {

		if( $lw > 0 && $lh > 0 ) {

			$width = $lw;

			$height = $lh;

		}

		return $prefix . '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0" width="'.$width.'" height="'.$height.'" id="'.$id.'" align="middle">

<param name="allowScriptAccess" value="sameDomain" /><param name="allowFullScreen" value="false" /><param name="movie" value="'.$url.$path_prefix.$src.'" /><param name="quality" value="high" /><param name="bgcolor" value="#ffffff" />

<embed src="'.$url.$path_prefix.$src.'" quality="high" bgcolor="#ffffff" width="'.$width.'" height="'.$height.'" name="'.$id.'" align="middle" allowScriptAccess="sameDomain" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.adobe.com/go/getflashplayer" />

</object>'. $suffix;

	}

	

	//image

	if( $lw > 0 && $lh > 0 ) {

		return $prefix . '<img src="'.$url.$path_prefix.$src.'" alt="'.$alt.'" width="'.$lw.'" height="'.$lh.'"'.$id.$extra . '> '. $suffix;

	} elseif( $width > 0 && $height > 0 ) {

		return $prefix . '<img src="'.$url.$path_prefix.$src.'" alt="'.$alt.'" width="'.$width.'" height="'.$height.'"'.$id.$extra . '> '. $suffix;

	} else {

		return $prefix . '<img src="'.$url.$path_prefix.$src.'" alt="'.$alt.'" '.$id.$extra . '> '. $suffix;

	}

}

//

?>