[8] | 1 | <?php |
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| 2 | /* |
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| 3 | |
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| 4 | ¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡ |
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| 5 | GD¼«Æ°¥µ¥à¥Í¥¤¥ëºîÀ® + ÃæÀÀµ2006/02/03 |
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| 6 | |
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| 7 | Copyright 2002- Akihiro Asai. All rights reserved. |
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| 8 | |
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| 9 | http://aki.adam.ne.jp |
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| 10 | aki@mx3.adam.ne.jp |
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| 11 | |
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| 12 | ¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡¢¡ |
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| 13 | |
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| 14 | ¢¢ µ¡Ç½³µÍ× |
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| 15 | ¡¦»ØÄꤵ¤ì¤¿¥¤¥á¡¼¥¸¤Î¥µ¥à¥Í¥¤¥ë¤òɽ¼¨¤·¤Þ¤¹¡£ |
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| 16 | ¡¦½ÐÎϤ¹¤ëÂ礤µ¤ò»ØÄꤹ¤ë»ö¤¬¤Ç¤¤Þ¤¹¡£ |
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| 17 | ¡¦½ÐÎϤµ¤ì¤ë¥¤¥á¡¼¥¸¤Î¥¢¥¹¥Ú¥¯¥ÈÈæ¤Ï°Ý»ý¤µ¤ì¤Þ¤¹¡£ |
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| 18 | |
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| 19 | ¢¢ »ÈÍÑÊýË¡ |
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| 20 | »ØÄê¤Ï gdthumb.php?path=xxx/xxx.[ jpg | png | gif ]&mw=xx&mh=xx |
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| 21 | ¢¨ pass¤ÎÉôʬ¤Ë¤Ï²èÁü¤Ø¤Î¥Ñ¥¹¤ò»ØÄê |
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| 22 | ¢¨ mw¤Ëɽ¼¨²èÁü¤ÎºÇÂç²£Éý¡¢mh¤Ëɽ¼¨²èÁü¤ÎºÇÂç²£Éý¤ò³°Éô¤è¤ê»ØÄê²Äǽ¡£ |
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| 23 | ¢¨ »ØÄꤷ¤Ê¤«¤Ã¤¿¾ì¹ç¤Ï¥Ç¥Õ¥©¥ë¥È¤ÎÀßÄêÃͤòºÎÍÑ¡£ |
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| 24 | ¡ú¥¯¥é¥¹¤È¤·¤Æ»ÈÍѤ¹¤ë¾ì¹ç¤Ï¡¢¡Ö¥¯¥é¥¹¤È¤·¤Æ»ÈÍѤ¹¤ë¾ì¹ç¤Ë¤Ï¡¦¡¦¡¦¡×°Ê¹ß¤ò¥³¥á¥ó¥È¥¢¥¦¥È¤·¤Æ²¼¤µ¤¤¡£ |
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| 25 | |
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| 26 | ¢¢ ¹¹¿·ÍúÎò |
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| 27 | 2002/08/19 ºÇÂç½ÄÉý¤ÎÉôʬ¤ò°ìÉô¼êľ¤· |
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| 28 | 2003/01/31 ¥Ç¥Õ¥©¥ë¥È¤Ç¥¢¥¹¥Ú¥¯¥ÈÈ椬¸ÇÄê |
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| 29 | 2003/04/11 ºÇÂç²£Éý¤ÈºÇÂç½ÄÉý¤ò³°Éô¤è¤ê»ØÄê²Äǽ |
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| 30 | 2003/04/25 GD2ÍѤ˴ؿôÊѹ¹ |
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| 31 | 2003/06/21 GD1/2¤ò¥Ð¡¼¥¸¥ç¥ó¤Ë±þ¤¸¤ÆÊѹ¹¤Ç¤¤ë¤è¤¦¤Ë½¤Àµ |
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| 32 | 2003/06/25 imageCopyResampled¤ÎÉôʬ¤ò½¤Àµ |
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| 33 | 2004/01/28 ¥¹¥¯¥ê¥×¥ÈÁ´ÂΤò½ñ¤Ä¾¤·¡£°ú¿ô¡Öpass¡×¤ò¡Öpath¡×¤ËÊѹ¹¡£ |
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| 34 | 2005/12/08 ´Ø¿ô¤Î¼«Æ°È½ÊÌ gif·Á¼°¤ËÂбþ Æ©²ágif¡¦Æ©²ápng¤ËÂбþ¡ÊGD2.0.1°Ê¹ß¡Ë |
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| 35 | */ |
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| 36 | |
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| 37 | // ¥¯¥é¥¹¤È¤·¤Æ»ÈÍѤ¹¤ë¾ì¹ç¤Ë¤Ï¡¢°Ê²¼¤Î6¹Ô¤ò¥³¥á¥ó¥È¥¢¥¦¥È |
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| 38 | /* |
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| 39 | $objg = new gdthumb(); |
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| 40 | list($Ck, $Msg) = $objg->Main($_GET["path"], $_GET["mw"], $_GET["mh"]); |
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| 41 | if(!$Ck) { // ¥¨¥é¡¼¤Î¾ì¹ç |
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| 42 | header("Content-Type: text/html; charset=" . CHAR_CODE); |
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| 43 | print $Msg; |
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| 44 | } |
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| 45 | */ |
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| 46 | |
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| 47 | class gdthumb { |
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| 48 | |
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| 49 | var $imgMaxWidth; |
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| 50 | var $imgMaxHeight; |
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| 51 | var $gdVer; |
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| 52 | |
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| 53 | /* |
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| 54 | * ¥³¥ó¥¹¥È¥é¥¯¥¿ |
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| 55 | */ |
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| 56 | function gdthumb() { |
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| 57 | |
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| 58 | // ¥¹¥¯¥ê¥×¥È¤Î¥Ç¥Õ¥©¥ë¥ÈÀßÄê |
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| 59 | |
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| 60 | // ²èÁü¤ÎºÇÂç²£Éý |
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| 61 | $this->imgMaxWidth = 240; // 1°Ê¾å¤ÎÃÍ |
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| 62 | |
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| 63 | // ²èÁü¤ÎºÇÂç½ÄÉý |
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| 64 | $this->imgMaxHeight = 0; // »ØÄꤷ¤Ê¤¤¾ì¹ç¤Ï0 »ØÄꤹ¤ë¾ì¹ç¤Ï1°Ê¾å¤ÎÃÍ |
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| 65 | |
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| 66 | } |
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| 67 | |
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| 68 | /* |
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| 69 | * ¥µ¥à¥Í¥¤¥ë²èÁü¤ÎºîÀ® |
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| 70 | * string $path |
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| 71 | * integer $width |
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| 72 | * integer $height |
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| 73 | */ |
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| 74 | function Main($path, $width, $height, $dst_file, $header = false) { |
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| 75 | |
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| 76 | if(!isset($path)) { |
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| 77 | return array(0, "¥¤¥á¡¼¥¸¤Î¥Ñ¥¹¤¬ÀßÄꤵ¤ì¤Æ¤¤¤Þ¤»¤ó¡£"); |
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| 78 | } |
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| 79 | |
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| 80 | if(!file_exists($path)) { |
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| 81 | return array(0, "»ØÄꤵ¤ì¤¿¥Ñ¥¹¤Ë¥Õ¥¡¥¤¥ë¤¬¸«¤Ä¤«¤ê¤Þ¤»¤ó¡£"); |
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| 82 | } |
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| 83 | |
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| 84 | // ²èÁü¤ÎÂ礤µ¤ò¥»¥Ã¥È |
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| 85 | if($width) $this->imgMaxWidth = $width; |
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| 86 | if($height) $this->imgMaxHeight = $height; |
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| 87 | |
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| 88 | $size = @GetimageSize($path); |
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| 89 | $re_size = $size; |
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| 90 | |
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| 91 | //¥¢¥¹¥Ú¥¯¥ÈÈæ¸ÇÄê½èÍý |
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| 92 | if($this->imgMaxWidth != 0) { |
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| 93 | $tmp_w = $size[0] / $this->imgMaxWidth; |
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| 94 | } |
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| 95 | |
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| 96 | if($this->imgMaxHeight != 0) { |
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| 97 | $tmp_h = $size[1] / $this->imgMaxHeight; |
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| 98 | } |
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| 99 | |
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| 100 | if($tmp_w > 1 || $tmp_h > 1) { |
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| 101 | if($this->imgMaxHeight == 0) { |
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| 102 | if($tmp_w > 1) { |
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| 103 | $re_size[0] = $this->imgMaxWidth; |
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| 104 | $re_size[1] = $size[1] * $this->imgMaxWidth / $size[0]; |
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| 105 | } |
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| 106 | } else { |
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| 107 | if($tmp_w > $tmp_h) { |
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| 108 | $re_size[0] = $this->imgMaxWidth; |
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| 109 | $re_size[1] = $size[1] * $this->imgMaxWidth / $size[0]; |
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| 110 | } else { |
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| 111 | $re_size[1] = $this->imgMaxHeight; |
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| 112 | $re_size[0] = $size[0] * $this->imgMaxHeight / $size[1]; |
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| 113 | } |
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| 114 | } |
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| 115 | } |
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| 116 | |
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| 117 | $imagecreate = function_exists("imagecreatetruecolor") ? "imagecreatetruecolor" : "imagecreate"; |
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| 118 | $imageresize = function_exists("imagecopyresampled") ? "imagecopyresampled" : "imagecopyresized"; |
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| 119 | |
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| 120 | switch($size[2]) { |
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| 121 | |
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| 122 | // gif·Á¼° |
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| 123 | case "1": |
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| 124 | if(function_exists("imagecreatefromgif")) { |
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| 125 | $src_im = imagecreatefromgif($path); |
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| 126 | $dst_im = $imagecreate($re_size[0], $re_size[1]); |
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| 127 | |
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| 128 | $transparent = imagecolortransparent($src_im); |
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| 129 | $colorstotal = imagecolorstotal ($src_im); |
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| 130 | |
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| 131 | $dst_im = imagecreate($re_size[0], $re_size[1]); |
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| 132 | if (0 <= $transparent && $transparent < $colorstotal) { |
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| 133 | imagepalettecopy ($dst_im, $src_im); |
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| 134 | imagefill ($dst_im, 0, 0, $transparent); |
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| 135 | imagecolortransparent ($dst_im, $transparent); |
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| 136 | } |
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| 137 | $imageresize($dst_im, $src_im, 0, 0, 0, 0, $re_size[0], $re_size[1], $size[0], $size[1]); |
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| 138 | |
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[12057] | 139 | if(function_exists("imagegif")) { |
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[8] | 140 | // ²èÁü½ÐÎÏ |
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| 141 | if($header){ |
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| 142 | header("Content-Type: image/gif"); |
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| 143 | imagegif($dst_im); |
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| 144 | return ""; |
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| 145 | }else{ |
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[12057] | 146 | $dst_file = $dst_file . ".gif"; |
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| 147 | if($re_size[0] == $size[0] && $re_size[1] == $size[1]) { |
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| 148 | // ¥µ¥¤¥º¤¬Æ±¤¸¾ì¹ç¤Ë¤Ï¡¢¤½¤Î¤Þ¤Þ¥³¥Ô¡¼¤¹¤ë¡£(²è¼ÁÎô²½¤òËɤ°¡Ë |
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| 149 | copy($path, $dst_file); |
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| 150 | } else { |
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| 151 | imagegif($dst_im, $dst_file); |
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| 152 | } |
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| 153 | } |
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[8] | 154 | imagedestroy($src_im); |
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| 155 | imagedestroy($dst_im); |
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| 156 | } else { |
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| 157 | // ²èÁü½ÐÎÏ |
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| 158 | if($header){ |
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| 159 | header("Content-Type: image/png"); |
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| 160 | imagepng($dst_im); |
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| 161 | return ""; |
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| 162 | }else{ |
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[12057] | 163 | $dst_file = $dst_file . ".png"; |
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| 164 | if($re_size[0] == $size[0] && $re_size[1] == $size[1]) { |
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| 165 | // ¥µ¥¤¥º¤¬Æ±¤¸¾ì¹ç¤Ë¤Ï¡¢¤½¤Î¤Þ¤Þ¥³¥Ô¡¼¤¹¤ë¡£(²è¼ÁÎô²½¤òËɤ°¡Ë |
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| 166 | copy($path, $dst_file); |
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| 167 | } else { |
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| 168 | imagepng($dst_im, $dst_file); |
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| 169 | } |
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[8] | 170 | } |
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| 171 | imagedestroy($src_im); |
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| 172 | imagedestroy($dst_im); |
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| 173 | } |
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| 174 | } else { |
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| 175 | // ¥µ¥à¥Í¥¤¥ëºîÀ®ÉԲĤξì¹ç¡Êµì¥Ð¡¼¥¸¥ç¥óÂкö¡Ë |
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| 176 | $dst_im = imageCreate($re_size[0], $re_size[1]); |
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| 177 | imageColorAllocate($dst_im, 255, 255, 214); //ÇØ·Ê¿§ |
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| 178 | |
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| 179 | // ÏÈÀþ¤Èʸ»ú¿§¤ÎÀßÄê |
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| 180 | $black = imageColorAllocate($dst_im, 0, 0, 0); |
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| 181 | $red = imageColorAllocate($dst_im, 255, 0, 0); |
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| 182 | |
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| 183 | imagestring($dst_im, 5, 10, 10, "GIF $size[0]x$size[1]", $red); |
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| 184 | imageRectangle ($dst_im, 0, 0, ($re_size[0]-1), ($re_size[1]-1), $black); |
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| 185 | |
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| 186 | // ²èÁü½ÐÎÏ |
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| 187 | if($header){ |
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| 188 | header("Content-Type: image/png"); |
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| 189 | imagepng($dst_im); |
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| 190 | return ""; |
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| 191 | }else{ |
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| 192 | $dst_file = $dst_file . ".png"; |
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| 193 | imagepng($dst_im, $dst_file); |
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| 194 | } |
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| 195 | imagedestroy($src_im); |
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| 196 | imagedestroy($dst_im); |
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| 197 | } |
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| 198 | break; |
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| 199 | |
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| 200 | // jpg·Á¼° |
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| 201 | case "2": |
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| 202 | |
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| 203 | $src_im = imageCreateFromJpeg($path); |
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[12052] | 204 | $dst_im = $imagecreate($re_size[0], $re_size[1]); |
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[12053] | 205 | |
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[12056] | 206 | $imageresize( $dst_im, $src_im, 0, 0, 0, 0, $re_size[0], $re_size[1], $size[0], $size[1]); |
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| 207 | |
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[8] | 208 | // ²èÁü½ÐÎÏ |
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| 209 | if($header){ |
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| 210 | header("Content-Type: image/jpeg"); |
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| 211 | imageJpeg($dst_im); |
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| 212 | return ""; |
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| 213 | }else{ |
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| 214 | $dst_file = $dst_file . ".jpg"; |
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[12056] | 215 | |
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| 216 | if($re_size[0] == $size[0] && $re_size[1] == $size[1]) { |
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[12057] | 217 | // ¥µ¥¤¥º¤¬Æ±¤¸¾ì¹ç¤Ë¤Ï¡¢¤½¤Î¤Þ¤Þ¥³¥Ô¡¼¤¹¤ë¡£(²è¼ÁÎô²½¤òËɤ°¡Ë |
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[12056] | 218 | copy($path, $dst_file); |
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| 219 | } else { |
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| 220 | imageJpeg($dst_im, $dst_file); |
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| 221 | } |
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[8] | 222 | } |
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| 223 | |
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| 224 | imagedestroy($src_im); |
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| 225 | imagedestroy($dst_im); |
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| 226 | |
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| 227 | break; |
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| 228 | |
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| 229 | // png·Á¼° |
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| 230 | case "3": |
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| 231 | |
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| 232 | $src_im = imageCreateFromPNG($path); |
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| 233 | |
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| 234 | $colortransparent = imagecolortransparent($src_im); |
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| 235 | if ($colortransparent > -1) { |
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| 236 | $dst_im = $imagecreate($re_size[0], $re_size[1]); |
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| 237 | imagepalettecopy($dst_im, $src_im); |
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| 238 | imagefill($dst_im, 0, 0, $colortransparent); |
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| 239 | imagecolortransparent($dst_im, $colortransparent); |
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| 240 | imagecopyresized($dst_im,$src_im, 0, 0, 0, 0, $re_size[0], $re_size[1], $size[0], $size[1]); |
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| 241 | } else { |
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| 242 | $dst_im = $imagecreate($re_size[0], $re_size[1]); |
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| 243 | imagecopyresized($dst_im,$src_im, 0, 0, 0, 0, $re_size[0], $re_size[1], $size[0], $size[1]); |
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| 244 | |
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| 245 | (imagecolorstotal($src_im) == 0) ? $colortotal = 65536 : $colortotal = imagecolorstotal($src_im); |
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| 246 | |
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| 247 | imagetruecolortopalette($dst_im, true, $colortotal); |
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| 248 | } |
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| 249 | |
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| 250 | // ²èÁü½ÐÎÏ |
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| 251 | if($header){ |
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| 252 | header("Content-Type: image/png"); |
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| 253 | imagepng($dst_im); |
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| 254 | return ""; |
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| 255 | }else{ |
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| 256 | $dst_file = $dst_file . ".png"; |
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[12057] | 257 | if($re_size[0] == $size[0] && $re_size[1] == $size[1]) { |
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| 258 | // ¥µ¥¤¥º¤¬Æ±¤¸¾ì¹ç¤Ë¤Ï¡¢¤½¤Î¤Þ¤Þ¥³¥Ô¡¼¤¹¤ë¡£(²è¼ÁÎô²½¤òËɤ°¡Ë |
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| 259 | copy($path, $dst_file); |
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| 260 | } else { |
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| 261 | imagepng($dst_im, $dst_file); |
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| 262 | } |
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[8] | 263 | } |
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| 264 | imagedestroy($src_im); |
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| 265 | imagedestroy($dst_im); |
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| 266 | |
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| 267 | break; |
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| 268 | |
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| 269 | default: |
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| 270 | return array(0, "¥¤¥á¡¼¥¸¤Î·Á¼°¤¬ÉÔÌÀ¤Ç¤¹¡£"); |
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| 271 | } |
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| 272 | |
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| 273 | return array(1, $dst_file); |
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| 274 | } |
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| 275 | } |
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| 276 | ?> |
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