]> git.saurik.com Git - wxWidgets.git/blob - include/wx/imagpng.h
Make wxUString compilable with VC6.
[wxWidgets.git] / include / wx / imagpng.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: imagpng.h
3 // Purpose: wxImage PNG handler
4 // Author: Robert Roebling
5 // RCS-ID: $Id$
6 // Copyright: (c) Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 #ifndef _WX_IMAGPNG_H_
11 #define _WX_IMAGPNG_H_
12
13 #include "wx/defs.h"
14
15 //-----------------------------------------------------------------------------
16 // wxPNGHandler
17 //-----------------------------------------------------------------------------
18
19 #if wxUSE_LIBPNG
20
21 #include "wx/image.h"
22
23 #define wxIMAGE_OPTION_PNG_FORMAT wxT("PngFormat")
24 #define wxIMAGE_OPTION_PNG_BITDEPTH wxT("PngBitDepth")
25 #define wxIMAGE_OPTION_PNG_FILTER wxT("PngF")
26 #define wxIMAGE_OPTION_PNG_COMPRESSION_LEVEL wxT("PngZL")
27 #define wxIMAGE_OPTION_PNG_COMPRESSION_MEM_LEVEL wxT("PngZM")
28 #define wxIMAGE_OPTION_PNG_COMPRESSION_STRATEGY wxT("PngZS")
29 #define wxIMAGE_OPTION_PNG_COMPRESSION_BUFFER_SIZE wxT("PngZB")
30
31 enum
32 {
33 wxPNG_TYPE_COLOUR = 0,
34 wxPNG_TYPE_GREY = 2,
35 wxPNG_TYPE_GREY_RED = 3
36 };
37
38 class WXDLLIMPEXP_CORE wxPNGHandler: public wxImageHandler
39 {
40 public:
41 inline wxPNGHandler()
42 {
43 m_name = wxT("PNG file");
44 m_extension = wxT("png");
45 m_type = wxBITMAP_TYPE_PNG;
46 m_mime = wxT("image/png");
47 }
48
49 #if wxUSE_STREAMS
50 virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1 );
51 virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=true );
52 protected:
53 virtual bool DoCanRead( wxInputStream& stream );
54 #endif
55
56 private:
57 DECLARE_DYNAMIC_CLASS(wxPNGHandler)
58 };
59
60 #endif
61 // wxUSE_LIBPNG
62
63 #endif
64 // _WX_IMAGPNG_H_
65