added wxStringStream classes

[wxWidgets.git] / src / common / imagtiff.cpp

diff --git a/src/common/imagtiff.cpp b/src/common/imagtiff.cpp
index 4cbf865fad0906765a4e08d5fdf8c8c1aa5245c3..6a4e3d3bce04425caa6abbd3a6e325a296354264 100644 (file)
--- a/src/common/imagtiff.cpp
+++ b/src/common/imagtiff.cpp
@@ -7,7 +7,7 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "imagtiff.h"
 #endif
 
@@ -47,7 +47,12 @@ extern "C"
 
 IMPLEMENT_DYNAMIC_CLASS(wxTIFFHandler,wxImageHandler)
 
-static tsize_t TIFFLINKAGEMODE
+#if wxUSE_STREAMS
+
+extern "C"
+{
+
+tsize_t TIFFLINKAGEMODE
 _tiffNullProc(thandle_t WXUNUSED(handle),
           tdata_t WXUNUSED(buf),
           tsize_t WXUNUSED(size))
@@ -55,7 +60,7 @@ _tiffNullProc(thandle_t WXUNUSED(handle),
     return (tsize_t) -1;
 }
 
-static tsize_t TIFFLINKAGEMODE
+tsize_t TIFFLINKAGEMODE
 _tiffReadProc(thandle_t handle, tdata_t buf, tsize_t size)
 {
     wxInputStream *stream = (wxInputStream*) handle;
@@ -63,7 +68,7 @@ _tiffReadProc(thandle_t handle, tdata_t buf, tsize_t size)
     return stream->LastRead();
 }
 
-static tsize_t TIFFLINKAGEMODE
+tsize_t TIFFLINKAGEMODE
 _tiffWriteProc(thandle_t handle, tdata_t buf, tsize_t size)
 {
     wxOutputStream *stream = (wxOutputStream*) handle;
@@ -71,7 +76,7 @@ _tiffWriteProc(thandle_t handle, tdata_t buf, tsize_t size)
     return stream->LastWrite();
 }
 
-static toff_t TIFFLINKAGEMODE
+toff_t TIFFLINKAGEMODE
 _tiffSeekIProc(thandle_t handle, toff_t off, int whence)
 {
     wxInputStream *stream = (wxInputStream*) handle;
@@ -87,7 +92,7 @@ _tiffSeekIProc(thandle_t handle, toff_t off, int whence)
     return (toff_t)stream->SeekI( (off_t)off, mode );
 }
 
-static toff_t TIFFLINKAGEMODE
+toff_t TIFFLINKAGEMODE
 _tiffSeekOProc(thandle_t handle, toff_t off, int whence)
 {
     wxOutputStream *stream = (wxOutputStream*) handle;
@@ -103,20 +108,20 @@ _tiffSeekOProc(thandle_t handle, toff_t off, int whence)
     return (toff_t)stream->SeekO( (off_t)off, mode );
 }
 
-static int TIFFLINKAGEMODE
+int TIFFLINKAGEMODE
 _tiffCloseProc(thandle_t WXUNUSED(handle))
 {
     return 0;  // ?
 }
 
-static toff_t TIFFLINKAGEMODE
+toff_t TIFFLINKAGEMODE
 _tiffSizeProc(thandle_t handle)
 {
     wxStreamBase *stream = (wxStreamBase*) handle;
     return (toff_t) stream->GetSize();
 }
 
-static int TIFFLINKAGEMODE
+int TIFFLINKAGEMODE
 _tiffMapProc(thandle_t WXUNUSED(handle),
              tdata_t* WXUNUSED(pbase),
              toff_t* WXUNUSED(psize))
@@ -124,13 +129,31 @@ _tiffMapProc(thandle_t WXUNUSED(handle),
     return 0;
 }
 
-static void TIFFLINKAGEMODE
+void TIFFLINKAGEMODE
 _tiffUnmapProc(thandle_t WXUNUSED(handle),
                tdata_t WXUNUSED(base),
                toff_t WXUNUSED(size))
 {
 }
 
+static void
+TIFFwxWarningHandler(const char* module, const char* fmt, va_list ap)
+{
+    if (module != NULL)
+            wxLogWarning(_("tiff module: %s"), module);
+    wxLogWarning((wxChar *) fmt, ap);
+}
+
+static void
+TIFFwxErrorHandler(const char* module, const char* fmt, va_list ap)
+{
+    if (module != NULL)
+            wxLogError(_("tiff module: %s"), module);
+    wxVLogError((wxChar *) fmt, ap);
+}
+
+} // extern "C"
+
 TIFF*
 TIFFwxOpen(wxInputStream &stream, const char* name, const char* mode)
 {
@@ -155,8 +178,21 @@ TIFFwxOpen(wxOutputStream &stream, const char* name, const char* mode)
     return tif;
 }
 
+wxTIFFHandler::wxTIFFHandler()
+{
+    m_name = wxT("TIFF file");
+    m_extension = wxT("tif");
+    m_type = wxBITMAP_TYPE_TIF;
+    m_mime = wxT("image/tiff");
+    TIFFSetWarningHandler((TIFFErrorHandler) TIFFwxWarningHandler);
+    TIFFSetErrorHandler((TIFFErrorHandler) TIFFwxErrorHandler);
+}
+
 bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose, int index )
 {
+    if (index == -1)
+        index = 0;
+
     image->Destroy();
 
     TIFF *tif = TIFFwxOpen( stream, "image", "r" );
@@ -166,7 +202,7 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos
         if (verbose)
             wxLogError( _("TIFF: Error loading image.") );
 
-        return FALSE;
+        return false;
     }
 
     if (!TIFFSetDirectory( tif, (tdir_t)index ))
@@ -176,7 +212,7 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos
 
         TIFFClose( tif );
 
-        return FALSE;
+        return false;
     }
 
     uint32 w, h;
@@ -197,7 +233,7 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos
 
         TIFFClose( tif );
 
-        return FALSE;
+        return false;
     }
 
     image->Create( (int)w, (int)h );
@@ -209,7 +245,7 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos
         _TIFFfree( raster );
         TIFFClose( tif );
 
-        return FALSE;
+        return false;
     }
 
     if (!TIFFReadRGBAImage( tif, w, h, raster, 0 ))
@@ -221,10 +257,10 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos
         image->Destroy();
         TIFFClose( tif );
 
-        return FALSE;
+        return false;
     }
 
-    bool hasmask = FALSE;
+    bool hasmask = false;
 
     unsigned char *ptr = image->GetData();
     ptr += w*3*(h-1);
@@ -237,7 +273,7 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos
             unsigned char alpha = (unsigned char)TIFFGetA(raster[pos]);
             if (alpha < 127)
             {
-                hasmask = TRUE;
+                hasmask = true;
                 ptr[0] = image->GetMaskRed();
                 ptr++;
                 ptr[0] = image->GetMaskGreen();
@@ -265,7 +301,7 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos
 
     image->SetMask( hasmask );
 
-    return TRUE;
+    return true;
 }
 
 int wxTIFFHandler::GetImageCount( wxInputStream& stream )
@@ -294,7 +330,7 @@ bool wxTIFFHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbo
         if (verbose)
             wxLogError( _("TIFF: Error saving image.") );
 
-        return FALSE;
+        return false;
     }
 
     TIFFSetField(tif, TIFFTAG_IMAGEWIDTH,  (uint32)image->GetWidth());
@@ -319,7 +355,7 @@ bool wxTIFFHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbo
 
             TIFFClose( tif );
 
-            return FALSE;
+            return false;
         }
     }
     else
@@ -345,7 +381,7 @@ bool wxTIFFHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbo
             if (buf)
                 _TIFFfree(buf);
 
-            return FALSE;
+            return false;
         }
         ptr += image->GetWidth()*3;
     }
@@ -355,22 +391,21 @@ bool wxTIFFHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbo
     if (buf)
     _TIFFfree(buf);
 
-    return TRUE;
+    return true;
 }
 
 bool wxTIFFHandler::DoCanRead( wxInputStream& stream )
 {
     unsigned char hdr[2];
 
-    stream.Read(&hdr, 2);
-    stream.SeekI(-2, wxFromCurrent);
+    if ( !stream.Read(&hdr, WXSIZEOF(hdr)) )
+        return false;
 
-    return ((hdr[0] == 0x49 && hdr[1] == 0x49) ||
-            (hdr[0] == 0x4D && hdr[1] == 0x4D));
+    return (hdr[0] == 'I' && hdr[1] == 'I') ||
+           (hdr[0] == 'M' && hdr[1] == 'M');
 }
 
+#endif  // wxUSE_STREAMS
 
-#endif
-   // wxUSE_LIBTIFF
-
+#endif  // wxUSE_LIBTIFF