Identify compressed color-mapped format in error message saying format is can't be interpreted

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@3412 9d0c8265-081b-0410-96cb-a4ca84ce46f8

1 files changed, 5 insertions, 0 deletions

diff --git a/converter/ppm/tgatoppm.c b/converter/ppm/tgatoppm.c
index 9f3db277..662f741b 100644
--- a/converter/ppm/tgatoppm.c
+++ b/converter/ppm/tgatoppm.c
@@ -374,6 +374,11 @@ main(int argc, char * argv[]) {
     case TGA_RLERGB:
     case TGA_RLEMono:
         break;
+    case TGA_CompMap:
+    case TGA_CompMap4:
+        pm_error("Targa image type %d (compressed color-mapped data). "
+                 "Cannot handle this format.", tga_head.ImgType);
+        break;
     default:
         pm_error("unknown Targa image type %d", tga_head.ImgType);
     }