Changeset 4628 for trunk/wp-includes/functions.php

Timestamp:

12/07/2006 10:42:22 PM (18 years ago)

Author:

ryan

Message:

Create attachment metadata for xmlrpc uploads. Props mdawaffe. fixes #3452

File:

• trunk/wp-includes/functions.php (modified) (1 diff)

trunk/wp-includes/functions.php

@@ -1095 +1095 @@
 }
 
+function wp_generate_attachment_metadata( $attachment_id, $file ) {
+    $attachment = get_post( $attachment_id );
+
+    $metadata = array();
+    if ( preg_match('!^image/!', get_post_mime_type( $attachment )) ) {
+        $imagesize = getimagesize($file);
+        $metadata['width'] = $imagesize['0'];
+        $metadata['height'] = $imagesize['1'];
+        list($uwidth, $uheight) = get_udims($metadata['width'], $metadata['height']);
+        $metadata['hwstring_small'] = "height='$uheight' width='$uwidth'";
+        $metadata['file'] = $file;
+
+        if ( $metadata['width'] * $metadata['height'] < 3 * 1024 * 1024 ) {
+            if ( $metadata['width'] > 128 && $metadata['width'] >= $metadata['height'] * 4 / 3 )
+                $thumb = wp_create_thumbnail($file, 128);
+            elseif ( $metadata['height'] > 96 )
+                $thumb = wp_create_thumbnail($file, 96);
+
+            if ( @file_exists($thumb) )
+                $metadata['thumb'] = basename($thumb);
+        }
+    }
+    return apply_filters( 'wp_generate_attachment_metadata', $metadata );
+}
+
+function wp_create_thumbnail( $file, $max_side, $effect = '' ) {
+
+        // 1 = GIF, 2 = JPEG, 3 = PNG
+
+    if ( file_exists( $file ) ) {
+        $type = getimagesize( $file );
+
+        // if the associated function doesn't exist - then it's not
+        // handle. duh. i hope.
+
+        if (!function_exists( 'imagegif' ) && $type[2] == 1 ) {
+            $error = __( 'Filetype not supported. Thumbnail not created.' );
+        }
+        elseif (!function_exists( 'imagejpeg' ) && $type[2] == 2 ) {
+            $error = __( 'Filetype not supported. Thumbnail not created.' );
+        }
+        elseif (!function_exists( 'imagepng' ) && $type[2] == 3 ) {
+            $error = __( 'Filetype not supported. Thumbnail not created.' );
+        } else {
+
+            // create the initial copy from the original file
+            if ( $type[2] == 1 ) {
+                $image = imagecreatefromgif( $file );
+            }
+            elseif ( $type[2] == 2 ) {
+                $image = imagecreatefromjpeg( $file );
+            }
+            elseif ( $type[2] == 3 ) {
+                $image = imagecreatefrompng( $file );
+            }
+
+            if ( function_exists( 'imageantialias' ))
+                imageantialias( $image, TRUE );
+
+            $image_attr = getimagesize( $file );
+
+            // figure out the longest side
+
+            if ( $image_attr[0] > $image_attr[1] ) {
+                $image_width = $image_attr[0];
+                $image_height = $image_attr[1];
+                $image_new_width = $max_side;
+
+                $image_ratio = $image_width / $image_new_width;
+                $image_new_height = $image_height / $image_ratio;
+                //width is > height
+            } else {
+                $image_width = $image_attr[0];
+                $image_height = $image_attr[1];
+                $image_new_height = $max_side;
+
+                $image_ratio = $image_height / $image_new_height;
+                $image_new_width = $image_width / $image_ratio;
+                //height > width
+            }
+
+            $thumbnail = imagecreatetruecolor( $image_new_width, $image_new_height);
+            @ imagecopyresampled( $thumbnail, $image, 0, 0, 0, 0, $image_new_width, $image_new_height, $image_attr[0], $image_attr[1] );
+
+            // If no filters change the filename, we'll do a default transformation.
+            if ( basename( $file ) == $thumb = apply_filters( 'thumbnail_filename', basename( $file ) ) )
+                $thumb = preg_replace( '!(\.[^.]+)?$!', __( '.thumbnail' ).'$1', basename( $file ), 1 );
+
+            $thumbpath = str_replace( basename( $file ), $thumb, $file );
+
+            // move the thumbnail to it's final destination
+            if ( $type[2] == 1 ) {
+                if (!imagegif( $thumbnail, $thumbpath ) ) {
+                    $error = __( "Thumbnail path invalid" );
+                }
+            }
+            elseif ( $type[2] == 2 ) {
+                if (!imagejpeg( $thumbnail, $thumbpath ) ) {
+                    $error = __( "Thumbnail path invalid" );
+                }
+            }
+            elseif ( $type[2] == 3 ) {
+                if (!imagepng( $thumbnail, $thumbpath ) ) {
+                    $error = __( "Thumbnail path invalid" );
+                }
+            }
+
+        }
+    } else {
+        $error = __( 'File not found' );
+    }
+
+    if (!empty ( $error ) ) {
+        return $error;
+    } else {
+        apply_filters( 'wp_create_thumbnail', $thumbpath );
+        return $thumbpath;
+    }
+}
+
 function wp_explain_nonce($action) {
     if ( $action !== -1 && preg_match('/([a-z]+)-([a-z]+)(_(.+))?/', $action, $matches) ) {