Index: trunk/core/kernel/db/db_tag_processor.php
===================================================================
diff -u -N -r8472 -r8474
--- trunk/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 8472)
+++ trunk/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 8474)
@@ -1066,6 +1066,13 @@
 
 		$ret = 'field_modifiers['.$this->getPrefixSpecial().']['.$field.']['.$params['type'].']';
 		if( getArrayValue($params, 'as_preg') ) $ret = preg_quote($ret, '/');
+
+		if (isset($params['value'])) {
+			$object =& $this->getObject($params);
+			$field_modifiers[$field][$params['type']] = $params['value'];
+			$object->ApplyFieldModifiers($field_modifiers);
+		}
+
 		return $ret;
 	}
 
Index: trunk/core/units/images/image_tag_processor.php
===================================================================
diff -u -N -r8472 -r8474
--- trunk/core/units/images/image_tag_processor.php	(.../image_tag_processor.php)	(revision 8472)
+++ trunk/core/units/images/image_tag_processor.php	(.../image_tag_processor.php)	(revision 8474)
@@ -31,19 +31,7 @@
 	function ItemImage($params)
 	{
 		$this->LoadItemImage($params);
-		$params['img_path'] = $this->ImageSrc($params);
-		$params['img_size'] = $this->ImageSize($params);
-		if (!$params['img_size']){
-			if (isset($params['DefaultWidth'])) {
-				$params['img_size'] = ' width="'.getArrayValue($params, 'DefaultWidth').'"';
-			}
-		}
-		$params['name'] = $this->SelectParam($params, 'render_as,block');
-		$object =& $this->getObject($params);
-		if ( !$object->isLoaded() && !$this->SelectParam($params, 'default_image,DefaultImage') ) return false;
-
-		$params['alt'] = htmlspecialchars($object->GetField('AltName'));
-		return $this->Application->ParseBlock($params);
+		return $this->Image($params);
 	}
 
 	function LargeImageExists($params)
@@ -200,6 +188,10 @@
 		$params['alt'] = htmlspecialchars($object->GetField('AltName')); // really used ?
 		$params['name'] = $this->SelectParam($params, 'block,render_as');
 
+		if (!$object->isLoaded() && !$this->SelectParam($params, 'default_image,DefaultImage')) {
+			return false;
+		}
+
 		return $this->Application->ParseBlock($params);
 	}
 
Index: trunk/core/units/general/helpers/image_helper.php
===================================================================
diff -u -N
--- trunk/core/units/general/helpers/image_helper.php	(revision 0)
+++ trunk/core/units/general/helpers/image_helper.php	(revision 8474)
@@ -0,0 +1,77 @@
+<?php
+
+	class ImageHelper extends kHelper {
+
+		/**
+		 * Proportionally resizes given image to destination dimensions
+		 *
+		 * @param string $src_image full path to source image (already existing)
+		 * @param string $dst_image full path to destination image (will be created)
+		 * @param int $dst_width destination image width (in pixels)
+		 * @param int $dst_height destination image height (in pixels)
+		 */
+		function ScaleImage($src_image, $dst_image, $dst_width, $dst_height)
+		{
+
+		}
+
+		/**
+		 * Returns destination image size without actual resizing (useful for <img .../> HTML tag)
+		 *
+		 * @param string $src_image full path to source image (already existing)
+		 * @param int $dst_width destination image width (in pixels)
+		 * @param int $dst_height destination image height (in pixels)
+		 * @return Array resized image dimensions (0 - width, 1 - height)
+		 */
+		function GetImageDimensions($src_image, $dst_width, $dst_height)
+		{
+			$image_info = $this->getImageInfo($src_image);
+			if (!$image_info) {
+				return false;
+			}
+
+			$orig_width = $image_info[0];
+			$orig_height = $image_info[1];
+
+			$too_large = is_numeric($dst_width) ? ($orig_width > $dst_width) : false;
+			$too_large = $too_large || (is_numeric($dst_height) ? ($orig_height > $dst_height) : false);
+
+			if ($too_large) {
+				$width_ratio = $dst_width ? $dst_width / $orig_width : 1;
+				$height_ratio = $dst_height ? $dst_height / $orig_height : 1;
+				$ratio = min($width_ratio, $height_ratio);
+
+				$width = ceil($orig_width * $ratio);
+				$height = ceil($orig_height * $ratio);
+			}
+			else {
+				$width = $orig_width;
+				$height = $orig_height;
+			}
+
+			return Array ($width, $height);
+		}
+
+		/**
+		 * Returns image dimensions + checks if given file is existing image
+		 *
+		 * @param string $src_image full path to source image (already existing)
+		 * @return mixed
+		 */
+		function getImageInfo($src_image)
+		{
+			if (!file_exists($src_image)) {
+				return false;
+			}
+
+			$image_info = @getimagesize($src_image);
+			if (!$image_info) {
+				trigger_error('Image <b>'.$src_image.'</b> <span class="debug_error">missing or invalid</span>', E_USER_WARNING);
+				return false;
+			}
+
+			return $image_info;
+		}
+	}
+
+?>
\ No newline at end of file
Index: trunk/kernel/units/images/image_tag_processor.php
===================================================================
diff -u -N -r8472 -r8474
--- trunk/kernel/units/images/image_tag_processor.php	(.../image_tag_processor.php)	(revision 8472)
+++ trunk/kernel/units/images/image_tag_processor.php	(.../image_tag_processor.php)	(revision 8474)
@@ -31,19 +31,7 @@
 	function ItemImage($params)
 	{
 		$this->LoadItemImage($params);
-		$params['img_path'] = $this->ImageSrc($params);
-		$params['img_size'] = $this->ImageSize($params);
-		if (!$params['img_size']){
-			if (isset($params['DefaultWidth'])) {
-				$params['img_size'] = ' width="'.getArrayValue($params, 'DefaultWidth').'"';
-			}
-		}
-		$params['name'] = $this->SelectParam($params, 'render_as,block');
-		$object =& $this->getObject($params);
-		if ( !$object->isLoaded() && !$this->SelectParam($params, 'default_image,DefaultImage') ) return false;
-
-		$params['alt'] = htmlspecialchars($object->GetField('AltName'));
-		return $this->Application->ParseBlock($params);
+		return $this->Image($params);
 	}
 
 	function LargeImageExists($params)
@@ -200,6 +188,10 @@
 		$params['alt'] = htmlspecialchars($object->GetField('AltName')); // really used ?
 		$params['name'] = $this->SelectParam($params, 'block,render_as');
 
+		if (!$object->isLoaded() && !$this->SelectParam($params, 'default_image,DefaultImage')) {
+			return false;
+		}
+
 		return $this->Application->ParseBlock($params);
 	}
 
Index: trunk/core/kernel/kbase.php
===================================================================
diff -u -N -r8428 -r8474
--- trunk/core/kernel/kbase.php	(.../kbase.php)	(revision 8428)
+++ trunk/core/kernel/kbase.php	(.../kbase.php)	(revision 8474)
@@ -434,18 +434,25 @@
 	 * @access private
 	 * @author Alex
 	 */
-	function ApplyFieldModifiers()
+	function ApplyFieldModifiers($field_modifiers = null)
 	{
-//		$this->Application->APCalled[] = $this->getPrefixSpecial();
-
 		$allowed_modifiers = Array('required');
 
-		$field_modifiers = $this->Application->GetVar('field_modifiers');
-		if(!$field_modifiers) return false;
+		if (!isset($field_modifiers)) {
+			$field_modifiers = $this->Application->GetVar('field_modifiers');
+			if (!$field_modifiers) {
+				// no field modifiers
+				return false;
+			}
 
-		$field_modifiers = getArrayValue($field_modifiers, $this->getPrefixSpecial());
-		if(!$field_modifiers) return false;
+			$field_modifiers = getArrayValue($field_modifiers, $this->getPrefixSpecial());
+		}
 
+		if (!$field_modifiers) {
+			// no field modifiers for current prefix_special
+			return false;
+		}
+
 		foreach ($field_modifiers as $field => $field_options)
 		{
 			foreach ($field_options as $option_name => $option_value)