X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/39d16996b7616bf8090b140db74fd0b52d50d169..8f9d20d16f54a088aea5fb5e826bf1690efac2ff:/src/common/imagpnm.cpp?ds=inline

diff --git a/src/common/imagpnm.cpp b/src/common/imagpnm.cpp
index a11007de33..ce31404d45 100644
--- a/src/common/imagpnm.cpp
+++ b/src/common/imagpnm.cpp
@@ -7,7 +7,7 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "imagpnm.h"
 #endif
 
@@ -39,12 +39,12 @@ IMPLEMENT_DYNAMIC_CLASS(wxPNMHandler,wxImageHandler)
 
 void Skip_Comment(wxInputStream &stream)
 {
-  wxTextInputStream text_stream(stream);
+    wxTextInputStream text_stream(stream);
 
-  if (stream.Peek()==wxT('#'))
+    if (stream.Peek()==wxT('#'))
     {
-      text_stream.ReadLine();
-      Skip_Comment(stream);
+        text_stream.ReadLine();
+        Skip_Comment(stream);
     }
 }
 
@@ -68,17 +68,13 @@ 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('6'): break;
+        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."));
-            return FALSE;
+            return false;
     }
 
     text_stream.ReadLine(); // for the \n
@@ -94,9 +90,26 @@ bool wxPNMHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose
     {
         if (verbose)
            wxLogError( _("PNM: Couldn't allocate memory.") );
-        return FALSE;
+        return false;
     }
 
+
+    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;
@@ -107,19 +120,37 @@ bool wxPNMHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose
             value=text_stream.Read32();
             *ptr++=(unsigned char)value;
 
-            if (buf_stream.LastError()!=wxSTREAM_NOERROR)
+            if ( !buf_stream )
               {
                 if (verbose) wxLogError(_("PNM: File seems truncated."));
-                return FALSE;
+                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 );
 
-    image->SetMask( FALSE );
+    image->SetMask( false );
 
-    return (buf_stream.LastError()==wxStream_NOERROR || buf_stream.LastError()==wxStream_EOF);
+    const wxStreamError err = buf_stream.GetLastError();
+    return err == wxSTREAM_NO_ERROR || err == wxSTREAM_EOF;
 }
 
 bool wxPNMHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool WXUNUSED(verbose) )
@@ -129,10 +160,10 @@ bool wxPNMHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool WXUNUS
     //text_stream << "P6" << endl
     //<< image->GetWidth() << " " << image->GetHeight() << endl
     //<< "255" << endl;
-    text_stream << "P6\n" << image->GetWidth() << " " << image->GetHeight() << "\n255\n";
+    text_stream << wxT("P6\n") << image->GetWidth() << wxT(" ") << image->GetHeight() << wxT("\n255\n");
     stream.Write(image->GetData(),3*image->GetWidth()*image->GetHeight());
 
-    return (stream.LastError()==wxStream_NOERROR);
+    return stream.IsOk();
 }
 
 bool wxPNMHandler::DoCanRead( wxInputStream& stream )
@@ -145,11 +176,11 @@ bool wxPNMHandler::DoCanRead( wxInputStream& stream )
         {
             case '3':
             case '6':
-                return TRUE;
+                return true;
         }
     }
 
-    return FALSE;
+    return false;
 }