Changeset 17310 for extensions/gvideo/include/functions.inc.php

Timestamp:

Aug 2, 2012, 4:30:30 PM (12 years ago)

Author:

mistic100

Message:

-restore option to add film frame effect (improved)
-update mimetypes to avoid double frames

File:

• extensions/gvideo/include/functions.inc.php (modified) (1 diff)

extensions/gvideo/include/functions.inc.php

@@ -289 +289 @@
 }
 
+/**
+ * and film frame to an image (need GD library)
+ * @param: string source
+ * @param: string destination (if null, the source si modified)
+ * @return: void
+ */
+function add_film_frame($src, $dest=null)
+{
+  if (empty($dest))
+  {
+    $dest = $src;
+  }
+  
+  // we need gd library
+  if (!function_exists('imagecreatetruecolor'))
+  {
+    if ($dest != $src) copy($src, $dest);
+    return;
+  }
+  
+  // open source image
+  $imgExt = strtolower(get_extension($src));
+  switch ($imgExt)
+  {
+    case 'jpg':
+    case 'jpeg':
+      $srcImage = imagecreatefromjpeg($src);
+      break;
+    case 'png':
+      $srcImage = imagecreatefrompng($src);
+      break;
+    case 'gif':
+      $srcImage = imagecreatefromgif($src);
+      break;
+    default:
+      if ($dest != $src) copy($src, $dest);
+      return;
+  }
+  
+  // source properties
+  $srcWidth = imagesx($srcImage);
+  $srcHeight = imagesy($srcImage);
+  $const = intval($srcWidth * 0.04);
+  $bandRadius = floor($const/8);
+
+  // band properties
+  $imgBand = imagecreatetruecolor($srcWidth + 6*$const, $srcHeight + 3*$const);
+  
+  $black = imagecolorallocate($imgBand, 0, 0, 0);
+  $white = imagecolorallocate($imgBand, 245, 245, 245);
+  
+  // and dots
+  $y_start = intval(($srcHeight + 3*$const) / 2);
+  $aug = intval($y_start / 5) + 1;
+  $i = 0;
+
+  while ($y_start + $i*$aug < $srcHeight + 3*$const)
+  {
+    imagefilledroundrectangle($imgBand, (3/4)*$const, $y_start + $i*$aug - $const/2, (9/4)*$const - 1, $y_start + $i*$aug + $const/2 - 1, $white, $bandRadius);
+    imagefilledroundrectangle($imgBand, (3/4)*$const, $y_start - $i*$aug - $const/2, (9/4)*$const - 1, $y_start - $i*$aug + $const/2 - 1, $white, $bandRadius);
+
+    imagefilledroundrectangle($imgBand, $srcWidth + (15/4)*$const, $y_start + $i*$aug - $const/2, $srcWidth + (21/4)*$const - 1, $y_start + $i*$aug + $const/2 - 1, $white, $bandRadius);
+    imagefilledroundrectangle($imgBand, $srcWidth + (15/4)*$const, $y_start - $i*$aug - $const/2, $srcWidth + (21/4)*$const - 1, $y_start - $i*$aug + $const/2 - 1, $white, $bandRadius);
+
+    ++$i;
+  }
+
+  // add source to band
+  imagecopy($imgBand, $srcImage, 3*$const, (3/2)*$const, 0, 0, $srcWidth, $srcHeight);
+  
+  // save image
+  switch ($imgExt)
+  {
+    case 'jpg':
+    case 'jpeg':
+      imagejpeg($imgBand, $dest);
+      break;
+    case 'png':
+      imagepng($imgBand, $dest);
+      break;
+    case 'gif':
+      imagegif($imgBand, $dest);
+      break;
+  }
+}
+
+/**
+ * create a rectangle with round corners
+ * http://www.php.net/manual/fr/function.imagefilledrectangle.php#42815
+ */
+function imagefilledroundrectangle(&$img, $x1, $y1, $x2, $y2, $color, $radius)
+{
+  imagefilledrectangle($img, $x1+$radius, $y1, $x2-$radius, $y2, $color);
+  
+  if ($radius > 0)
+  {
+    imagefilledrectangle($img, $x1, $y1+$radius, $x2, $y2-$radius, $color);
+    imagefilledellipse($img, $x1+$radius, $y1+$radius, $radius*2, $radius*2, $color);
+    imagefilledellipse($img, $x2-$radius, $y1+$radius, $radius*2, $radius*2, $color);
+    imagefilledellipse($img, $x1+$radius, $y2-$radius, $radius*2, $radius*2, $color);
+    imagefilledellipse($img, $x2-$radius, $y2-$radius, $radius*2, $radius*2, $color);
+  }
+}
+
 ?>