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<?php |
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function file_type($file){ |
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$path_chunks = explode("/", $file); |
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$thefile = $path_chunks[count($path_chunks) - 1]; |
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$dotpos = strrpos($thefile, "."); |
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return strtolower(substr($thefile, $dotpos + 1)); |
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} |
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/*PØI ZMÌNÌ NASTAVENÍ JE NUTNO VYMAZAT TEMP!!!*/ |
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/*Absolutní cesta k obrázku ($HTTP_GET_VARS["pth"]=parametr pth v adrese stránky)*/ |
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$path = "/var/www/Modules/".$HTTP_GET_VARS["pth"]."/"; |
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/*Absolutní cesta k náhledu*/ |
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$path1 = "/tmp/"; |
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/*íøka náhledu*/ |
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$width = "150"; |
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/*Výka náhledu*/ |
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$height = "150"; |
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/*Pokud obrázek existuje dej do promìnné filename jeho cestu jinak tam dej cestu k obrázku nopicture2*/ |
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if (file_exists($path.$HTTP_GET_VARS["fname"]."_Small.jpg")) { |
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$filename = $HTTP_GET_VARS["fname"]."_Small.jpg"; |
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} else { |
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$filename = "nopicture2.jpg"; |
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$path = "/var/www/Web/PIC/"; |
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} |
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$extension = file_type($filename); |
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$remove_thumb = false; |
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$img_size = array(); |
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/*Pokud obrázek v tempu neexistuje potom...*/ |
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if (!file_exists($path1.$filename)) { |
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/*Naètení obrázku*/ |
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if(in_array($extension, array('png', 'gif', 'jpg', 'jpeg'))){ |
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if(!$img_size = getimagesize($path.$filename)){ |
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$remove_thumb = true; |
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} |
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if($extension == 'gif'){ |
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if(!$image = imagecreatefromgif($path.$filename)){ |
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$remove_thumb = true; |
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} |
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}elseif($extension == 'png'){ |
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if(!$image = imagecreatefrompng($path.$filename)){ |
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$remove_thumb = true; |
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} |
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}elseif($extension == 'jpg' || $extension == 'jpeg'){ |
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if(!$image = imagecreatefromjpeg($path.$filename)){ |
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$remove_thumb = true; |
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} |
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} |
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/*Zmìna velikosti a zaøízení neporuení pomìru stran*/ |
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$img_height = $img_size['1']; |
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$img_width = $img_size['0']; |
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if($img_width > $img_height){ |
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$thumb_width = $width; |
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$thumb_height = ($img_height)*($height/$img_width); |
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}elseif($img_width < $img_height) { |
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$thumb_width = ($img_width)*($width/$img_height); |
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$thumb_height = $height; |
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}elseif($img_height == $img_width) { |
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$thumb_width = $width; |
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$thumb_height = $height; |
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} |
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if($remove_thumb == false){ |
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$thumb = imagecreatetruecolor($thumb_width, $thumb_height); |
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/*Pøeveï...*/ |
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imagecopyresampled($thumb, $image, 0, 0, 0, 0, $thumb_width, $thumb_height, $img_size[0], $img_size[1] ); |
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/*Pokud se má v rohu obrázku zobrazit text 'www.mlab.cz' potom odkomentovat následující 2 øádky a vymazat temp*/ |
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// $black = ImageColorAllocate($thumb, 0, 0, 0); |
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// if ($filename <> "nopicture2.jpg") {ImageString ($thumb, 3, $thumb_width-80, $thumb_height-15, "www.mlab.cz", $black);} |
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/*Ulo obrázek!!!*/ |
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imagejpeg($thumb, $path1.$filename); |
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} |
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}else{ |
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$remove_thumb = true; |
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} |
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} |
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/*Zobraz obrázek!!!*/ |
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header("Content-type: image/jpeg"); |
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readfile($path1.$filename); |
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?> |