function resizeImage($src_imagename, $maxwidth, $maxheight, $savename, $file_type)
{
$im = createimg($src_imagename, $file_type);
if ($im) {
$current_width = imagesx($im);
$current_height = imagesy($im);
$resizewidth_tag = false;
$resizeheight_tag = false;
$widthratio = 1;
$heightratio = 1;
$ratio = 1;
if ($maxwidth && $current_width > $maxwidth || $maxheight && $current_height > $maxheight) {
if ($maxwidth && $current_width > $maxwidth) {
$widthratio = $maxwidth / $current_width;
$resizewidth_tag = true;
}
if ($maxheight && $current_height > $maxheight) {
$heightratio = $maxheight / $current_height;
$resizeheight_tag = true;
}
if ($resizewidth_tag && $resizeheight_tag) {
if ($widthratio < $heightratio) {
$ratio = $widthratio;
} else {
$ratio = $heightratio;
}
}
if ($resizewidth_tag && !$resizeheight_tag) {
$ratio = $widthratio;
}
if ($resizeheight_tag && !$resizewidth_tag) {
$ratio = $heightratio;
}
$newwidth = $current_width * $ratio;
$newheight = $current_height * $ratio;
if (function_exists("imagecopyresampled")) {
$newim = imagecreatetruecolor($newwidth, $newheight);
imagecopyresampled($newim, $im, 0, 0, 0, 0, $newwidth, $newheight, $current_width, $current_height);
} else {
$newim = imagecreate($newwidth, $newheight);
imagecopyresized($newim, $im, 0, 0, 0, 0, $newwidth, $newheight, $current_width, $current_height);
}
showimg($newim, $savename, $file_type);
imagedestroy($newim);
} else {
imagejpeg($im, $savename);
}
}
}
function getimage()
{
$ok = false;
if ($this->check()) {
$fname = $this->getfname();
if (!file_exists($fname)) {
$this->createsid();
}
if (file_exists($fname)) {
$this->send($fname);
return true;
}
}
if ($this->id3v2) {
id3v2image($this->sid, true, true);
} else {
createimg($this->sid, true, $this->w, $this->h);
}
}
function senddata()
{
if ($this->dirimageid != -1) {
if ($this->scale) {
createimg($this->dirimageid, false);
} else {
$f2 = new file2($this->dirimageid);
if ($f2->ifexists()) {
readfile($f2->fullpath);
}
}
} else {
if ($this->id3v2imageid != -1) {
id3v2image($this->id3v2imageid, true, false);
}
}
}