$ W? $ Resizewidth = $ w: $ resizewidth = 400; // The width of the generated image.
$ H? $ Resizeheight = $ h: $ resizeheight = 400; // The height of the generated image.
Function resizeimage ($ im, $ maxwidth, $ maxheight, $ name ){
$ Width = imagesx ($ im );
$ Height = imagesy ($ im );
If ($ maxwidth & $ width> $ maxwidth) | ($ maxheight & $ height> $ maxheight )){
If ($ maxwidth & $ width> $ maxwidth ){
$ Widthratio = $ maxwidth/$ width;
$ Resizewidth = true;
}
If ($ maxheight & $ height> $ maxheight ){
$ Heightratio = $ maxheight/$ height;
$ Resizeheight = true;
}
If ($ resizewidth & $ resizeheight ){
If ($ widthratio <$ heightratio ){
$ Ratio = $ widthratio;
} Else {
$ Ratio = $ heightratio;
}
} Elseif ($ resizewidth ){
$ Ratio = $ widthratio;
} Elseif ($ resizeheight ){
$ Ratio = $ heightratio;
}
$ Newwidth = $ width * $ ratio;
$ Newheight = $ height * $ ratio;
If (function_exists ("imagecopyresampled ")){
$ Newim = imagecreatetruecolor ($ newwidth, $ newheight );
Imagecopyresampled ($ newim, $ im, 0, 0, 0, 0, $ newwidth, $ newheight, $ width, $ height );
} Else {
$ Newim = imagecreate ($ newwidth, $ newheight );
Imagecopyresized ($ newim, $ im, 0, 0, 0, 0, $ newwidth, $ newheight, $ width, $ height );
}
Imagejpeg ($ newim, $ name );
Imagedestroy ($ newim );
} Else {
Imagejpeg ($ im, $ name );
}
} If ($ _ files ['uploadfile'] ['SIZE']) {
If ($ _ files ['uploadfile'] ['type'] = "image/pjpeg "){
$ Im = imagecreatefromjpeg ($ _ files ['uploadfile'] ['tmp _ name']);
} Elseif ($ _ files ['uploadfile'] ['type'] = "image/x-png "){
$ Im = imagecreatefrompng ($ _ files ['uploadfile'] ['tmp _ name']);
} Elseif ($ _ files ['uploadfile'] ['type'] = "image/gif "){
$ Im = imagecreatefromgif ($ _ files ['uploadfile'] ['tmp _ name']);
}
If ($ im ){
If(file_exists('bbs.jpg ')){
Unlink('bbs.jpg ');
}
Resizeimage(%im,%resizewidth,%resizeheight,'bbs.jpg ');
Imagedestroy ($ im );
}
}
// $ Uploadfile = "www.111cn.net.jpg ";
?> |
