Changeset 4401 for trunk/wp-admin/admin-functions.php

Timestamp:

10/16/2006 06:06:18 AM (19 years ago)

Author:

matt

Message:

Some helper functions for themes and images

File:

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

trunk/wp-admin/admin-functions.php

@@ -2074 +2074 @@
 add_action('update_option_siteurl', 'update_home_siteurl', 10, 2);
 
+function wp_crop_image($src_file, $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $src_abs = false, $dst_file = false) {
+    if ( ctype_digit($src_file) ) // Handle int as attachment ID
+        $src_file = get_attached_file($src_file);
+
+    $src = wp_load_image($src_file);
+
+    if ( !is_resource($src) )
+        return $src;
+
+    $dst = imagecreatetruecolor($dst_w, $dst_h);
+
+    if ( $src_abs ) {
+        $src_w -= $src_x;
+        $src_h -= $src_y;
+    }
+
+    imageantialias($dst, true);
+    imagecopyresampled($dst, $src, 0, 0, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h);
+
+    if ( !$dst_file )
+        $dst_file = str_replace(basename($src_file), 'cropped-'.basename($src_file), $src_file);
+
+    $dst_file = preg_replace('/\\.[^\\.]+$/', '.jpg', $dst_file);
+
+    if ( imagejpeg($dst, $dst_file) )
+        return $dst_file;
+    else
+        return false;
+}
+
+function wp_load_image($file) {
+    if ( ctype_digit($file) )
+        $file = get_attached_file($file);
+
+    if ( !file_exists($file) )
+        return "File '$file' doesn't exist?";
+
+    $contents = file_get_contents($file);
+
+    $image = imagecreatefromstring($contents);
+
+    if ( !is_resource($image) )
+        return "File '$file' is not image?";
+
+    return $image;
+}
+
 ?>