Add wxTIFFHandler documentation, and start of wxGIFHandler's documentation.

interface/wx/imagtiff.h

@@ -0,0 +1,50 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        imagtiff.h
+// Purpose:     interface of wxTIFFHandler
+// Author:      Samuel Dunn
+// Licence:     wxWindows licence
+////////////////////////////////////////////////////////////////////////////
+
+#define wxIMAGE_OPTION_TIFF_BITSPERSAMPLE           wxString("BitsPerSample")
+#define wxIMAGE_OPTION_TIFF_SAMPLESPERPIXEL         wxString("SamplesPerPixel")
+#define wxIMAGE_OPTION_TIFF_COMPRESSION             wxString("Compression")
+#define wxIMAGE_OPTION_TIFF_PHOTOMETRIC             wxString("Photometric")
+#define wxIMAGE_OPTION_TIFF_IMAGEDESCRIPTOR         wxString("ImageDescriptor")
+
+
+// todo: confirm library and category, and generate some real body documentation
+/**
+    @class wxTIFFHandler
+    
+    This is the image handler for the TIFF format.
+    
+    @library{wxcore}
+    @category{gdi}
+    
+    @see wxImage, wxImageHandler, wxInitAllImageHandlers()
+*/
+class wxTIFFHandler : public wxImageHandler
+{
+public:
+    /**
+    Default constructor for wxTIFFHandler
+    */
+    wxTIFFHandler();
+    
+    /**
+        Retrieve the version information about the TIFF library used by this
+        handler.
+
+        @since 2.9.2
+    */
+    static wxVersionInfo GetLibraryVersionInfo();
+    
+    // let the parent class' (wxImageHandler) documentation through for these methods
+    virtual bool LoadFile(wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1);
+    
+protected:
+    virtual bool SaveFile(wxImage *image, wxOutputStream& stream, bool verbose=true);
+    virtual int DoGetImageCount(wxInputStream& stream);
+    virutal bool DoCanRead(wxInputStream& stream);
+};
+