Strip unneeded blocks during thumbnail generation

1 files changed, 6 insertions, 2 deletions

diff --git a/jpeg-utils.cpp b/jpeg-utils.cpp
index cb8238a..b550b21 100644
--- a/jpeg-utils.cpp
+++ b/jpeg-utils.cpp
@@ -286,7 +286,8 @@ free_exif_data (TExifData *data)
 gboolean
 resize_image (const char *src, const char *dst,
 	          int size_x, int size_y,
-	          int quality)
+	          int quality,
+                  gboolean thumbnail)
 {
   #define ThrowWandException(wand) \
   { \
@@ -308,7 +309,10 @@ resize_image (const char *src, const char *dst,
   status = MagickReadImage (magick_wand, src);
   if (status == MagickFalse)
 	  ThrowWandException (magick_wand);
-  MagickResizeImage (magick_wand, size_x, size_y, LanczosFilter, 1.0);
+  if (thumbnail)
+    MagickThumbnailImage (magick_wand, size_x, size_y);
+  else
+    MagickResizeImage (magick_wand, size_x, size_y, LanczosFilter, 1.0);
   MagickSetImageCompressionQuality (magick_wand, quality);
 
   /*  Write the image and destroy it.  */