...

diff --git a/coders/mat.c b/coders/mat.c
index f1af3d534dccef7a738bd8805f575d86506a6807..2ddeb06a54307ce69096ac823245e7887e3ed4e6 100644 (file)
--- a/coders/mat.c
+++ b/coders/mat.c
@@ -819,6 +819,9 @@ static Image *ReadMATImageV4(const ImageInfo *image_info,Image *image,
       Allocate next image structure.
     */
 skip_reading_current:
+    if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
+      if (image->scene >= (image_info->scene+image_info->number_scenes-1))
+        break;
     AcquireNextImage(image_info,image,exception);
     if (GetNextImageInList(image) == (Image *) NULL)
       {
@@ -1401,6 +1404,9 @@ done_reading:
       break;
 
       /* Allocate next image structure. */
+    if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
+      if (image->scene >= (image_info->scene+image_info->number_scenes-1))
+        break;
     AcquireNextImage(image_info,image,exception);
     if (image->next == (Image *) NULL) break;
     image=SyncNextImageInList(image);

diff --git a/coders/wpg.c b/coders/wpg.c
index 6994ca0c505b42ed8816d92400d88dd30ec00b5f..a733a2f294631eee7afdd99290a70c676fc1bf30 100644 (file)
--- a/coders/wpg.c
+++ b/coders/wpg.c
@@ -1334,6 +1334,10 @@ static Image *ReadWPGImage(const ImageInfo *image_info,
                 }
 
               /* Allocate next image structure. */
+              if ((image_info->ping != MagickFalse) &&
+                  (image_info->number_scenes != 0))
+                if (image->scene >= (image_info->scene+image_info->number_scenes-1))
+                  break;
               AcquireNextImage(image_info,image,exception);
               image->depth=8;
               if (image->next == (Image *) NULL)
@@ -1537,6 +1541,10 @@ static Image *ReadWPGImage(const ImageInfo *image_info,
 
 
               /* Allocate next image structure. */
+              if ((image_info->ping != MagickFalse) &&
+                  (image_info->number_scenes != 0))
+                if (image->scene >= (image_info->scene+image_info->number_scenes-1))
+                  break;
               AcquireNextImage(image_info,image,exception);
               image->depth=8;
               if (image->next == (Image *) NULL)