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Get imagetype from getimagesize(). Switched to $_GET. Clearing memory.

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This commit is contained in:
Paul van Schayck
2004-03-24 15:49:39 +00:00
committed by Jeremy Newman
parent 461a3b5307
commit 5953434a6f
1 changed files with 33 additions and 26 deletions
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57
appimage.php
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@@ -26,10 +26,11 @@ function handle_error($text)
exit;
}
if(!$appId && !$imageId) {
handle_error("No appId");
return;
}
$appId = $_GET['appid'];
$imageId = $_GET['imageId'];
$versionId = $_GET['versionId'];
$width = $_GET['width'];
$height = $_GET['height'];
if(!$versionId) {
$versionId = 0;
@@ -37,11 +38,14 @@ if(!$versionId) {
opendb();
if($imageId)
if($imageId AND is_numeric($imageId) )
$result = mysql_query("SELECT * FROM appData WHERE id = $imageId");
else
else if($appId AND $versionId AND is_numeric($appId) AND is_numeric($versionId) )
$result = mysql_query("SELECT * FROM appData WHERE appId = $appId AND ".
"versionId = $versionId AND type = 'image' LIMIT 1");
else
handle_error("IDs wrong");
if(mysql_num_rows($result) == 0)
handle_error("No image found");
@@ -55,42 +59,45 @@ if(!ereg("/", $ob->url))
else
$url = $ob->url;
if(eregi(".+\\.(jpg|jpeg)$", $url))
$type = "jpeg";
$imageInfo = getimagesize($url);
if( $imageInfo[2] == 2 )
{
$type = 'jpeg';
$im = imagecreatefromjpeg($url);
}
else if( $imageInfo[2] == 3 )
{
$type = 'png';
$im = imagecreatefrompng($url);
}
else
if(eregi(".+\\.(png)$", $url))
$type = "png";
handle_error("Unhandeled image type");
if(!$type)
handle_error("Unknown Image Type");
if( !$imageInfo || !$im)
handle_error("Error handeling file.");
if($type == "png")
$im = ImageCreateFromPNG($url);
else
if($type == "jpeg")
$im = ImageCreateFromJpeg($url);
if(!$im)
handle_error("Error");
if($width && $height) {
if($width && $height)
{
// do scaling
$sim = ImageCreate($width, $height);
ImageCopyResized($sim, $im, 0, 0, 0, 0, $width, $height, ImageSX($im), ImageSY($im));
$im = $sim;
}
// output the image
if($type == "png")
{
header("Content-type: image/png");
ImagePNG($im);
ImagePNG($sim);
}
else
if($type == "jpeg")
{
header("Content-type: image/jpeg");
ImageJPEG($im);
ImageJPEG($sim);
}
// Clear the memory
imagedestroy($im);
imagedestroy($sim);
?>