Initial revision

appimage.php

@@ -0,0 +1,96 @@
+<?
+
+include("path.php");
+require(BASE."include/"."incl.php");
+
+/*
+ * app image handler
+ *
+ * valid arguments:
+ *
+ *   appId          (required)
+ *   versionId
+ *
+ *   imageId        (no appId required if this is specified)
+ *
+ *   width
+ *   height
+ *
+ * When both width/height are specified, the image is scaled
+ */
+
+function handle_error($text)
+{
+    echo $text;
+    // output image with the text, or something
+    exit;
+}
+
+if(!$appId && !$imageId) {
+    handle_error("No appId");
+    return;
+}
+
+if(!$versionId) {
+    $versionId = 0;
+}
+
+opendb();
+
+if($imageId)
+    $result = mysql_query("SELECT * FROM appData WHERE id = $imageId");
+else
+    $result = mysql_query("SELECT * FROM appData WHERE appId = $appId AND ".
+			  "versionId = $versionId AND type = 'image' LIMIT 1");
+
+if(mysql_num_rows($result) == 0)
+    handle_error("No image found");
+
+$ob = mysql_fetch_object($result);
+
+// atm assumes the image is in png format
+
+if(!ereg("/", $ob->url))
+    $url = "data/screenshots/$ob->url";
+else
+    $url = $ob->url;
+
+if(eregi(".+\\.(jpg|jpeg)$", $url))
+    $type = "jpeg";
+else
+if(eregi(".+\\.(png)$", $url))
+    $type = "png";
+
+if(!$type)
+    handle_error("Unknown Image Type");
+
+if($type == "png")
+    $im = ImageCreateFromPNG($url);
+else
+if($type == "jpeg")
+    $im = ImageCreateFromJpeg($url);
+
+if(!$im)
+    handle_error("Error");
+
+if($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($im);
+}
+else
+if($type == "jpeg")
+{
+    header("Content-type: image/jpeg");
+    ImageJPEG($im);
+}
+
+?>