git-svn-id: file:///home/shish/svn/shimmie2/trunk@710 7f39781d-f577-437e-ae19-be835c7a54ca
		
			
				
	
	
		
			69 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * Name: Resolution Limiter
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 * Author: Shish <webmaster@shishnet.org>
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 * Link: http://trac.shishnet.org/shimmie2/
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 * License: GPLv2
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 * Description: Allows the admin to set min / max image dimentions
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 */
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class ResolutionLimit extends Extension {
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	public function receive_event($event) {
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		if(is_a($event, 'ImageAdditionEvent')) {
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			global $config;
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			$min_w = $config->get_int("upload_min_width", -1);
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			$min_h = $config->get_int("upload_min_height", -1);
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			$max_w = $config->get_int("upload_max_width", -1);
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			$max_h = $config->get_int("upload_max_height", -1);
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			$ratios = explode(" ", $config->get_string("upload_ratios", ""));
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			$image = $event->image;
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			if($min_w > 0 && $image->width < $min_w) $event->veto("Image too small");
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			if($min_h > 0 && $image->height < $min_h) $event->veto("Image too small");
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			if($max_w > 0 && $image->width > $min_w) $event->veto("Image too large");
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			if($max_h > 0 && $image->height > $min_h) $event->veto("Image too large");
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			if(count($ratios) > 0) {
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				$ok = false;
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				foreach($ratios as $ratio) {
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					$parts = explode(":", $ratio);
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					$width = $parts[0];
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					$height = $parts[1];
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					if($image->width / $width == $image->height / $height) {
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						$ok = true;
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						break;
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					}
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				}
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				if(!$ok) {
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					$event->veto("Image needs to be in one of these ratios: ".html_escape($config->get_string("upload_ratios", "")));
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				}
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			}
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		}
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		if(is_a($event, 'SetupBuildingEvent')) {
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			$sb = new SetupBlock("Resolution Limits");
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			$sb->add_label("Min ");
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			$sb->add_int_option("upload_min_width");
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			$sb->add_label(" x ");
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			$sb->add_int_option("upload_min_height");
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			$sb->add_label(" px");
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			$sb->add_label("<br>Max ");
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			$sb->add_int_option("upload_max_width");
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			$sb->add_label(" x ");
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			$sb->add_int_option("upload_max_height");
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			$sb->add_label(" px");
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			$sb->add_label("<br>(-1 for no limit)");
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			$sb->add_label("<br>Ratios ");
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			$sb->add_text_option("upload_ratios");
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			$sb->add_label("<br>(eg. '4:3 16:9', blank for no limit)");
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			$event->panel->add_block($sb);
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		}
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	}
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}
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add_event_listener(new ResolutionLimit(), 40); // early, to veto UIE
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?>
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