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update changes to html_image

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mohrt
2003-03-07 17:06:39 +00:00
parent 53cbec5139
commit 0631ea18b4
2 changed files with 27 additions and 11 deletions
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2
NEWS
View File

@@ -1,3 +1,5 @@
- add dpi functionality to html_image, change "name"
parameter to "file" (Thomas Shulz, Monte)
- fix height/width parameter index in html_image (Gerard, - fix height/width parameter index in html_image (Gerard,
Monte) Monte)
- get rid of unsetting name and script attributes - get rid of unsetting name and script attributes

36
libs/plugins/function.html_image.php
View File

@@ -11,14 +11,14 @@
* Credits: Duda <duda@big.hu> - wrote first image function * Credits: Duda <duda@big.hu> - wrote first image function
* in repository, helped with lots of functionality * in repository, helped with lots of functionality
* Purpose: format HTML tags for the image * Purpose: format HTML tags for the image
* Input: name = name of image (required) * Input: file = file (and path) of image (required)
* border = border width (optional, default 0) * border = border width (optional, default 0)
* height = image height (optional, default actual height) * height = image height (optional, default actual height)
* image =image width (optional, default actual width) * image =image width (optional, default actual width)
* basedir = base directory for absolute paths, default * basedir = base directory for absolute paths, default
* is environment variable DOCUMENT_ROOT * is environment variable DOCUMENT_ROOT
* *
* Examples: {image name="images/masthead.gif"} * Examples: {image file="images/masthead.gif"}
* Output: <img src="images/masthead.gif" border=0 width=400 height=23> * Output: <img src="images/masthead.gif" border=0 width=400 height=23>
* ------------------------------------------------------------- * -------------------------------------------------------------
*/ */
@@ -26,7 +26,7 @@ function smarty_function_html_image($params, &$smarty)
{ {
require_once $smarty->_get_plugin_filepath('shared','escape_special_chars'); require_once $smarty->_get_plugin_filepath('shared','escape_special_chars');
$name = ''; $file = '';
$border = 0; $border = 0;
$height = ''; $height = '';
$width = ''; $width = '';
@@ -35,11 +35,16 @@ function smarty_function_html_image($params, &$smarty)
$suffix = ''; $suffix = '';
$basedir = isset($GLOBALS['HTTP_SERVER_VARS']['DOCUMENT_ROOT']) $basedir = isset($GLOBALS['HTTP_SERVER_VARS']['DOCUMENT_ROOT'])
? $GLOBALS['HTTP_SERVER_VARS']['DOCUMENT_ROOT'] : '/'; ? $GLOBALS['HTTP_SERVER_VARS']['DOCUMENT_ROOT'] : '/';
if(strstr($GLOBALS['HTTP_SERVER_VARS']['HTTP_USER_AGENT'], 'Mac')) {
$dpi_default = 72;
} else {
$dpi_default = 96;
}
foreach($params as $_key => $_val) { foreach($params as $_key => $_val) {
switch($_key) { switch($_key) {
case 'name': case 'file':
$name = $_val; $file = $_val;
break; break;
case 'border': case 'border':
$border = $_val; $border = $_val;
@@ -54,20 +59,23 @@ function smarty_function_html_image($params, &$smarty)
$prefix = '<a href="' . $link . '">'; $prefix = '<a href="' . $link . '">';
$suffix = '</a>'; $suffix = '</a>';
break; break;
case 'dpi':
$dpi = $_val;
break;
default: default:
$extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"'; $extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"';
break; break;
} }
} }
if (empty($name)) { if (empty($file)) {
$smarty->trigger_error("html_image: missing 'name' parameter", E_USER_ERROR); $smarty->trigger_error("html_image: missing 'file' parameter", E_USER_ERROR);
} }
if(substr($name,0,1) == DIR_SEP) { if(substr($file,0,1) == DIR_SEP) {
$_image_path = $basedir . DIR_SEP . $name; $_image_path = $basedir . DIR_SEP . $file;
} else { } else {
$_image_path = $name; $_image_path = $file;
} }
if(!isset($params['width']) || !isset($params['height'])) { if(!isset($params['width']) || !isset($params['height'])) {
@@ -93,7 +101,13 @@ function smarty_function_html_image($params, &$smarty)
} }
return $prefix . '<img src="'.$name.'" border="'.$border.'" width="'.$width.'" height="'.$height.'"'.$extra.'>' . $suffix; if(isset($params['dpi'])) {
$_resize = $dpi_default/$params['dpi'];
$width = round($width * $_resize);
$height = round($height * $_resize);
}
return $prefix . '<img src="'.$file.'" border="'.$border.'" width="'.$width.'" height="'.$height.'"'.$extra.'>' . $suffix;
} }
/* vim: set expandtab: */ /* vim: set expandtab: */