#define wxIMAGE_OPTION_RESOLUTIONUNIT wxString(_T("ResolutionUnit"))
// constants used with wxIMAGE_OPTION_RESOLUTIONUNIT
-enum
+//
+// NB: don't change these values, they correspond to libjpeg constants
+enum wxImageResolution
{
+ // Resolution not specified
+ wxIMAGE_RESOLUTION_NONE = 0,
+
+ // Resolution specified in inches
wxIMAGE_RESOLUTION_INCHES = 1,
+
+ // Resolution specified in centimeters
wxIMAGE_RESOLUTION_CM = 2
};
// classes
//-----------------------------------------------------------------------------
-class WXDLLEXPORT wxImageHandler;
-class WXDLLEXPORT wxImage;
-class WXDLLEXPORT wxPalette;
+class WXDLLIMPEXP_FWD_CORE wxImageHandler;
+class WXDLLIMPEXP_FWD_CORE wxImage;
+class WXDLLIMPEXP_FWD_CORE wxPalette;
//-----------------------------------------------------------------------------
// wxVariant support
bool CallDoCanRead(wxInputStream& stream);
#endif // wxUSE_STREAMS
+ // helper for the derived classes SaveFile() implementations: returns the
+ // values of x- and y-resolution options specified as the image options if
+ // any
+ static wxImageResolution
+ GetResolutionFromOptions(const wxImage& image, int *x, int *y);
+
+
wxString m_name;
wxString m_extension;
wxString m_mime;
virtual wxObjectRefData* CloneRefData(const wxObjectRefData* data) const;
private:
- friend class WXDLLEXPORT wxImageHandler;
+ friend class WXDLLIMPEXP_FWD_CORE wxImageHandler;
DECLARE_DYNAMIC_CLASS(wxImage)
};