php 合成图片出错 合成图片的时候报错,gd库已经安装了。不知道哪里错了,有没有大神指点一下啊? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 这个错误是没有找到 imagecreatefrom 函数 你把这些代码放到公共函数文件中 (Common/Common/function.php)就行了/** * BMP 创建函数 * @author simon * @param string $filename path of bmp file * @example who use,who knows * @return resource of GD */function imagecreatefrombmp( $filename ){ if ( !$f1 = fopen( $filename, "rb" ) ) return FALSE; $FILE = unpack( "vfile_type/Vfile_size/Vreserved/Vbitmap_offset", fread( $f1, 14 ) ); if ( $FILE['file_type'] != 19778 ) return FALSE; $BMP = unpack( 'Vheader_size/Vwidth/Vheight/vplanes/vbits_per_pixel' . '/Vcompression/Vsize_bitmap/Vhoriz_resolution' . '/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['bytes_per_pixel'] = $BMP['bits_per_pixel'] / 8; $BMP['bytes_per_pixel2'] = ceil( $BMP['bytes_per_pixel'] ); $BMP['decal'] = ($BMP['width'] * $BMP['bytes_per_pixel'] / 4); $BMP['decal'] -= floor( $BMP['width'] * $BMP['bytes_per_pixel'] / 4 ); $BMP['decal'] = 4 - (4 * $BMP['decal']); if ( $BMP['decal'] == 4 ) $BMP['decal'] = 0; $PALETTE = array(); if ( $BMP['colors'] < 16777216 ){ $PALETTE = unpack( 'V' . $BMP['colors'], fread( $f1, $BMP['colors'] * 4 ) ); } $IMG = fread( $f1, $BMP['size_bitmap'] ); $VIDE = chr( 0 ); $res = imagecreatetruecolor( $BMP['width'], $BMP['height'] ); $P = 0; $Y = $BMP['height'] - 1; while( $Y >= 0 ){ $X = 0; while( $X < $BMP['width'] ){ if ( $BMP['bits_per_pixel'] == 32 ){ $COLOR = unpack( "V", substr( $IMG, $P, 3 ) ); $B = ord(substr($IMG, $P,1)); $G = ord(substr($IMG, $P+1,1)); $R = ord(substr($IMG, $P+2,1)); $color = imagecolorexact( $res, $R, $G, $B ); if ( $color == -1 ) $color = imagecolorallocate( $res, $R, $G, $B ); $COLOR[0] = $R*256*256+$G*256+$B; $COLOR[1] = $color; }elseif ( $BMP['bits_per_pixel'] == 24 ) $COLOR = unpack( "V", substr( $IMG, $P, 3 ) . $VIDE ); elseif ( $BMP['bits_per_pixel'] == 16 ){ $COLOR = unpack( "n", substr( $IMG, $P, 2 ) ); $COLOR[1] = $PALETTE[$COLOR[1] + 1]; }elseif ( $BMP['bits_per_pixel'] == 8 ){ $COLOR = unpack( "n", $VIDE . substr( $IMG, $P, 1 ) ); $COLOR[1] = $PALETTE[$COLOR[1] + 1]; }elseif ( $BMP['bits_per_pixel'] == 4 ){ $COLOR = unpack( "n", $VIDE . substr( $IMG, floor( $P ), 1 ) ); if ( ($P * 2) % 2 == 0 ) $COLOR[1] = ($COLOR[1] >> 4); else $COLOR[1] = ($COLOR[1] & 0x0F); $COLOR[1] = $PALETTE[$COLOR[1] + 1]; }elseif ( $BMP['bits_per_pixel'] == 1 ){ $COLOR = unpack( "n", $VIDE . substr( $IMG, floor( $P ), 1 ) ); if ( ($P * 8) % 8 == 0 ) $COLOR[1] = $COLOR[1] >> 7; elseif ( ($P * 8) % 8 == 1 ) $COLOR[1] = ($COLOR[1] & 0x40) >> 6; elseif ( ($P * 8) % 8 == 2 ) $COLOR[1] = ($COLOR[1] & 0x20) >> 5; elseif ( ($P * 8) % 8 == 3 ) $COLOR[1] = ($COLOR[1] & 0x10) >> 4; elseif ( ($P * 8) % 8 == 4 ) $COLOR[1] = ($COLOR[1] & 0x8) >> 3; elseif ( ($P * 8) % 8 == 5 ) $COLOR[1] = ($COLOR[1] & 0x4) >> 2; elseif ( ($P * 8) % 8 == 6 ) $COLOR[1] = ($COLOR[1] & 0x2) >> 1; elseif ( ($P * 8) % 8 == 7 ) $COLOR[1] = ($COLOR[1] & 0x1); $COLOR[1] = $PALETTE[$COLOR[1] + 1]; }else return FALSE; imagesetpixel( $res, $X, $Y, $COLOR[1] ); $X++; $P += $BMP['bytes_per_pixel']; } $Y--; $P += $BMP['decal']; } fclose( $f1 ); return $res;} 这个我是迁移服务器的时候出现的错误,之前的能能用的,只是服务器版本从windows 2012 变成 windows 2008了,我把这段加到公共的function里面还是不行 那应该就是你gd扩展的问题了 你看一下你的php版本 和你的 扩展对应吗 你的代码目录 正确吗如果上面都没有问题 你看一下是不是你引入文件 引入函数的时候错误了 命名空间 路径 等等 找到原因了getimagesize无法抓取网络图片,应该是服务器设限制了。谢谢您 php 数组的处理 用一个数组的键做宁一个数组的键 ckeditor+php多图片上传问题。 可恶,学php非要会xml和ajax吗? 记录用户的状态 做这样的网站 前期需要做哪些? mysql可不可以设置自动增长列的步长? php有没有类似asp的response.end()的函数? 关于PHP.INI的设置 php如何取出特定字符? 出现notice。。要不要关掉。。。?? 如何用php给姓名做UTF-8编码 微信客服消息发给多人速度慢有好的办法没有?
你把这些代码放到公共函数文件中 (Common/Common/function.php)就行了
/**
* BMP 创建函数
* @author simon
* @param string $filename path of bmp file
* @example who use,who knows
* @return resource of GD
*/
function imagecreatefrombmp( $filename ){
if ( !$f1 = fopen( $filename, "rb" ) )
return FALSE; $FILE = unpack( "vfile_type/Vfile_size/Vreserved/Vbitmap_offset", fread( $f1, 14 ) );
if ( $FILE['file_type'] != 19778 )
return FALSE; $BMP = unpack( 'Vheader_size/Vwidth/Vheight/vplanes/vbits_per_pixel' . '/Vcompression/Vsize_bitmap/Vhoriz_resolution' . '/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['bytes_per_pixel'] = $BMP['bits_per_pixel'] / 8;
$BMP['bytes_per_pixel2'] = ceil( $BMP['bytes_per_pixel'] );
$BMP['decal'] = ($BMP['width'] * $BMP['bytes_per_pixel'] / 4);
$BMP['decal'] -= floor( $BMP['width'] * $BMP['bytes_per_pixel'] / 4 );
$BMP['decal'] = 4 - (4 * $BMP['decal']);
if ( $BMP['decal'] == 4 )
$BMP['decal'] = 0; $PALETTE = array();
if ( $BMP['colors'] < 16777216 ){
$PALETTE = unpack( 'V' . $BMP['colors'], fread( $f1, $BMP['colors'] * 4 ) );
} $IMG = fread( $f1, $BMP['size_bitmap'] );
$VIDE = chr( 0 ); $res = imagecreatetruecolor( $BMP['width'], $BMP['height'] );
$P = 0;
$Y = $BMP['height'] - 1;
while( $Y >= 0 ){
$X = 0;
while( $X < $BMP['width'] ){
if ( $BMP['bits_per_pixel'] == 32 ){
$COLOR = unpack( "V", substr( $IMG, $P, 3 ) );
$B = ord(substr($IMG, $P,1));
$G = ord(substr($IMG, $P+1,1));
$R = ord(substr($IMG, $P+2,1));
$color = imagecolorexact( $res, $R, $G, $B );
if ( $color == -1 )
$color = imagecolorallocate( $res, $R, $G, $B );
$COLOR[0] = $R*256*256+$G*256+$B;
$COLOR[1] = $color;
}elseif ( $BMP['bits_per_pixel'] == 24 )
$COLOR = unpack( "V", substr( $IMG, $P, 3 ) . $VIDE );
elseif ( $BMP['bits_per_pixel'] == 16 ){
$COLOR = unpack( "n", substr( $IMG, $P, 2 ) );
$COLOR[1] = $PALETTE[$COLOR[1] + 1];
}elseif ( $BMP['bits_per_pixel'] == 8 ){
$COLOR = unpack( "n", $VIDE . substr( $IMG, $P, 1 ) );
$COLOR[1] = $PALETTE[$COLOR[1] + 1];
}elseif ( $BMP['bits_per_pixel'] == 4 ){
$COLOR = unpack( "n", $VIDE . substr( $IMG, floor( $P ), 1 ) );
if ( ($P * 2) % 2 == 0 )
$COLOR[1] = ($COLOR[1] >> 4);
else
$COLOR[1] = ($COLOR[1] & 0x0F);
$COLOR[1] = $PALETTE[$COLOR[1] + 1];
}elseif ( $BMP['bits_per_pixel'] == 1 ){
$COLOR = unpack( "n", $VIDE . substr( $IMG, floor( $P ), 1 ) );
if ( ($P * 8) % 8 == 0 )
$COLOR[1] = $COLOR[1] >> 7;
elseif ( ($P * 8) % 8 == 1 )
$COLOR[1] = ($COLOR[1] & 0x40) >> 6;
elseif ( ($P * 8) % 8 == 2 )
$COLOR[1] = ($COLOR[1] & 0x20) >> 5;
elseif ( ($P * 8) % 8 == 3 )
$COLOR[1] = ($COLOR[1] & 0x10) >> 4;
elseif ( ($P * 8) % 8 == 4 )
$COLOR[1] = ($COLOR[1] & 0x8) >> 3;
elseif ( ($P * 8) % 8 == 5 )
$COLOR[1] = ($COLOR[1] & 0x4) >> 2;
elseif ( ($P * 8) % 8 == 6 )
$COLOR[1] = ($COLOR[1] & 0x2) >> 1;
elseif ( ($P * 8) % 8 == 7 )
$COLOR[1] = ($COLOR[1] & 0x1);
$COLOR[1] = $PALETTE[$COLOR[1] + 1];
}else
return FALSE;
imagesetpixel( $res, $X, $Y, $COLOR[1] );
$X++;
$P += $BMP['bytes_per_pixel'];
}
$Y--;
$P += $BMP['decal'];
}
fclose( $f1 ); return $res;
}
这个我是迁移服务器的时候出现的错误,之前的能能用的,只是服务器版本从windows 2012 变成 windows 2008了,我把这段加到公共的function里面还是不行
你的代码目录 正确吗如果上面都没有问题 你看一下是不是你引入文件 引入函数的时候错误了 命名空间 路径 等等