#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
};
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;
// -1.0..1.0 where -1.0 is -360 degrees and 1.0 is 360 degrees
void RotateHue(double angle);
- bool operator == (const wxImage& image) const
- { return m_refData == image.m_refData; }
- bool operator != (const wxImage& image) const
- { return m_refData != image.m_refData; }
-
static wxList& GetHandlers() { return sm_handlers; }
static void AddHandler( wxImageHandler *handler );
static void InsertHandler( wxImageHandler *handler );