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supporting a null cgimage so that we don't get exceptions, only an wxbitmap that...
[wxWidgets.git] / include / wx / imagtiff.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: imagtiff.h
3 // Purpose: wxImage TIFF handler
4 // Author: Robert Roebling
5 // RCS-ID: $Id$
6 // Copyright: (c) Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 #ifndef _WX_IMAGTIFF_H_
11 #define _WX_IMAGTIFF_H_
12
13 #include "wx/defs.h"
14
15 //-----------------------------------------------------------------------------
16 // wxTIFFHandler
17 //-----------------------------------------------------------------------------
18
19 #if wxUSE_LIBTIFF
20
21 #include "wx/image.h"
22 #include "wx/versioninfo.h"
23
24 // defines for wxImage::SetOption
25 #define wxIMAGE_OPTION_BITSPERSAMPLE wxString(wxT("BitsPerSample"))
26 #define wxIMAGE_OPTION_SAMPLESPERPIXEL wxString(wxT("SamplesPerPixel"))
27 #define wxIMAGE_OPTION_COMPRESSION wxString(wxT("Compression"))
28 #define wxIMAGE_OPTION_IMAGEDESCRIPTOR wxString(wxT("ImageDescriptor"))
29
30 class WXDLLIMPEXP_CORE wxTIFFHandler: public wxImageHandler
31 {
32 public:
33 wxTIFFHandler();
34
35 static wxVersionInfo GetLibraryVersionInfo();
36
37 #if wxUSE_STREAMS
38 virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1 );
39 virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=true );
40
41 protected:
42 virtual int DoGetImageCount( wxInputStream& stream );
43 virtual bool DoCanRead( wxInputStream& stream );
44 #endif
45
46 private:
47 DECLARE_DYNAMIC_CLASS(wxTIFFHandler)
48 };
49
50 #endif // wxUSE_LIBTIFF
51
52 #endif // _WX_IMAGTIFF_H_
53