TIFF fix.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5387 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/common/imagtiff.cpp b/src/common/imagtiff.cpp
index a3b07a77d42051b61185c50aa596c9b8a42c575b..088dd1497928f587d192945b98dee48fe7581dba 100644 (file)
--- a/src/common/imagtiff.cpp
+++ b/src/common/imagtiff.cpp
@@ -188,13 +188,14 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos
     bool hasmask = FALSE;
 
     unsigned char *ptr = image->GetData();
     bool hasmask = FALSE;
 
     unsigned char *ptr = image->GetData();

+    ptr += w*3*(h-1);

     uint32 pos = 0;
 
     for (uint32 i = 0; i < h; i++)
     {
     uint32 pos = 0;
 
     for (uint32 i = 0; i < h; i++)
     {

-        for (uint32 j = 0; w < h; j++)
+        for (uint32 j = 0; j < h; j++)

         {
         {

-            unsigned char alpha = (unsigned char)(raster[pos] >> 24);
+            unsigned char alpha = (unsigned char)TIFFGetA(raster[pos]);

             if (alpha < 127)
             {
                 hasmask = TRUE;
             if (alpha < 127)
             {
                 hasmask = TRUE;


@@ -207,15 +208,16 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos
             }
             else
             {
             }
             else
             {

-                ptr[0] = (unsigned char)(raster[pos] >> 16);
+                ptr[0] = (unsigned char)TIFFGetR(raster[pos]);

                 ptr++;
                 ptr++;

-                ptr[0] = (unsigned char)(raster[pos] >> 8);
+                ptr[0] = (unsigned char)TIFFGetG(raster[pos]);

                 ptr++;
                 ptr++;

-                ptr[0] = (unsigned char)(raster[pos]);
+                ptr[0] = (unsigned char)TIFFGetB(raster[pos]);

                 ptr++;
             }
             pos++;
         }
                 ptr++;
             }
             pos++;
         }

+        ptr -= 2*w*3; // subtract line we just added plus one line

     }
 
     _TIFFfree( raster );
     }
 
     _TIFFfree( raster );