Just show new frame for unhandled cases

I finally came across a gif that uses the previous-background disposal
method. Using the default method worked for it, so for now let's just do
that.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/image.c b/src/image.c
index c7bac62..f4faab5 100644
--- a/src/image.c
+++ b/src/image.c
@@ -197,8 +197,16 @@ void imv_image_load_next_frame(struct imv_image *img)
       }
       break;
     case 2: /* TODO - set to background, composite over that */
+      if(img->cur_bmp) {
+        FreeImage_Unload(img->cur_bmp);
+      }
+      img->cur_bmp = frame32;
       break;
     case 3: /* TODO - restore to previous content */
+      if(img->cur_bmp) {
+        FreeImage_Unload(img->cur_bmp);
+      }
+      img->cur_bmp = frame32;
       break;
   }
   img->changed = 1;