ECSHOP バックエンドボスが製品アルバムを追加するときに、BMP 形式のサムネイルを生成できません。

関数 ImageCreateFromBMP( $filename ) { <br>
// フィシエ アン モード ビネールの序曲 <br>
if ( ! $f1 = @fopen ($filename, "rb")) FALSE を返します ;
// 1 : Chargement des ent?tes FICHIER <br>
$FILE = unpack ( "vfile_type/Vfile_size/Vreserved/Vbitmap_offset" , fread($f1 ,14));
if ( $FILE ['file_type'] != 19778 ) <br> を返します。
// 2 : 料金設定 BMP <br>
$BMP = unpack ( 'Vheader_size/Vwidth/Vheight/vplanes/vbits_per_pixel' . <br>
'/Vcompression/Vsize_bitmap/Vhoriz_resolution' <br>
'/Vvert_resolution/Vcolors_used/Vcolors_ important' , fread ( $f1 , 40 ));
$BMP [ 'colors' ] = pow ( 2 , $BMP['bits_per_pixel ' ]);
if ( $BMP ['size_bitmap'] == 0 ) $BMP ['size_bitmap']=$FILE ['file_size']-$FILE ['bitmap_offset'];
$BMP ['ピクセルあたりのバイト数'] = $BMP ['ピクセルあたりのビット数'] / 8 ;
$BMP ['bytes_per_pixel2'] = ceil ( $BMP ['bytes_per_pixel']);
$BMP ['decal'] = ( $BMP ['width']*$BMP ['bytes_per_pixel'] / 4 );
$BMP ['decal'] -= 床 ( $BMP ['width'] * $BMP ['bytes_per_pixel'] / 4 );
$BMP ['デカール'] = 4 - ( 4 * $BMP ['デカール']);
if ( $BMP ['decal'] == 4 ) $BMP ['decal'] = 0 <br> ;
// 3 : パレットのカラーバリエーション <br>
$パレット = 配列 <br>
if ( $BMP ['colors'] 
$PALETTE = unpack ( 'V' . $BMP ['colors'] , fread ( $f1 , $BMP ['colors'] * 4 ));
}<br>
// 4 : 画像の作成 <br>
$IMG = fread ( $f1 , $BMP ['size_bitmap']);
$VIDE = chr ( 0 );
$res = imagecreatetruecolor( $BMP ['width'] , $BMP ['height']);
$P = 0 <br>
$Y = $BMP ['高さ'] - 1 ;
while ( $Y >= 0 ){ <br>
$X = 0 <br>
while ( $X 
if ( $BMP ['bits_per_pixel'] == 24 ) <br>
$COLOR = @unpack ( "V" , substr($IMG,$P,3).$VIDE );
elseif ( $BMP['bits_per_pixel']== 16 ){ <br>
$COLOR = unpack ( "n" , substr ( $IMG , $P , 2 ));
$COLOR [1] = $パレット [ $COLOR [ 1 ] 1 ];
}elseif ( $BMP['bits_per_pixel']== 8 ){ <br>
$COLOR = unpack ( "n" , $VIDE . substr ( $IMG , $P , 1 ));
$COLOR [1] = $パレット [ $COLOR [ 1 ] 1 ];
}elseif ( $BMP['bits_per_pixel']== 4 ){ <br>
$COLOR = unpack ( "n" , $VIDE . substr ( $IMG , Floor ( $P ) , 1 ));if (( $P * 2 ) % 2 == 0 ) <br>
					$COLOR [1] = ( $COLOR [1] >>4 ) ; <br>
				それ以外 <br>
					$COLOR [1] = ( $COLOR [1] & 0x0F ); <br>
				$COLOR [1] = $パレット [ $COLOR [1] 1 ]; <br>
			}elseif ( $BMP['bits_per_pixel']== 1 ){ <br>
				$COLOR = unpack ( "n" , $VIDE . substr ( $IMG , floor ( $P ) , 1 )); <br>
				if (( $P * 8 ) % 8 == 0 ) $COLOR [ 1 ] = $COLOR [ 1 ] >> 7;  <div class="clear"></div>