X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7beb59f36c016d27cf8949eb8c0d38fc63ad536a..608a34bf5b95059789cda694a9b4257e282648e7:/src/common/imagpnm.cpp

diff --git a/src/common/imagpnm.cpp b/src/common/imagpnm.cpp
index 1fa96b89a0..74bf466b04 100644
--- a/src/common/imagpnm.cpp
+++ b/src/common/imagpnm.cpp
@@ -68,13 +68,9 @@ bool wxPNMHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose
 
     switch (c)
     {
-        case wxT('2'):
-            if (verbose) wxLogError(_("Loading Grey Ascii PNM image is not yet implemented."));
-            return false;
-        case wxT('5'):
-            if (verbose) wxLogError(_("Loading Grey Raw PNM image is not yet implemented."));
-            return false;
-        case wxT('3'):
+        case wxT('2'): // ASCII Grey
+        case wxT('3'): // ASCII RGB
+        case wxT('5'): // RAW Grey
         case wxT('6'): break;
         default:
             if (verbose) wxLogError(_("PNM: File format is not recognized."));
@@ -97,8 +93,25 @@ bool wxPNMHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose
         return false;
     }
 
-   if (c=='3') // Ascii RBG
-      {
+
+    if (c=='2') // Ascii GREY
+    {
+        wxUint32 value, size=width*height;
+        for (wxUint32 i=0; i<size; ++i)
+        {
+            value=text_stream.Read32();
+            *ptr++=(unsigned char)value; // R
+            *ptr++=(unsigned char)value; // G
+            *ptr++=(unsigned char)value; // B
+            if ( !buf_stream )
+            {
+                if (verbose) wxLogError(_("PNM: File seems truncated."));
+                return false;
+            }
+        }
+    }
+    if (c=='3') // Ascii RBG
+    {
         wxUint32 value, size=3*width*height;
         for (wxUint32 i=0; i<size; ++i)
           {
@@ -113,7 +126,24 @@ bool wxPNMHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose
                 return false;
               }
           }
-      }
+    }
+    if (c=='5') // Raw GREY
+    {
+        wxUint32 size=width*height;
+        unsigned char value;
+        for (wxUint32 i=0; i<size; ++i)
+        {
+            buf_stream.Read(&value,1);
+            *ptr++=value; // R
+            *ptr++=value; // G
+            *ptr++=value; // B
+            if ( !buf_stream )
+            {
+                if (verbose) wxLogError(_("PNM: File seems truncated."));
+                return false;
+            }
+        }
+    }
     if (c=='6') // Raw RGB
       buf_stream.Read( ptr, 3*width*height );
 
@@ -142,10 +172,12 @@ bool wxPNMHandler::DoCanRead( wxInputStream& stream )
 
     if ( stream.GetC() == 'P' )
     {
-        switch (stream.GetC())
+        switch ( stream.GetC() )
         {
-            case '3':
-            case '6':
+            case '2': // ASCII Grey
+            case '3': // ASCII RGB
+            case '5': // RAW Grey
+            case '6': // RAW RGB
                 return true;
         }
     }