#include "wx/string.h"
#include "wx/gdicmn.h"
#include "wx/bitmap.h"
+#include "wx/hashmap.h"
#if wxUSE_STREAMS
# include "wx/stream.h"
#if wxUSE_IMAGE
+#define wxIMAGE_OPTION_FILENAME wxString(_T("FileName"))
+
//-----------------------------------------------------------------------------
// classes
//-----------------------------------------------------------------------------
};
//-----------------------------------------------------------------------------
-// wxImage
+// wxImageHistogram
//-----------------------------------------------------------------------------
-class WXDLLEXPORT wxHNode
+class WXDLLEXPORT wxImageHistogramEntry
{
public:
+ wxImageHistogramEntry() : index(0), value(0) {}
unsigned long index;
unsigned long value;
};
+WX_DECLARE_EXPORTED_HASH_MAP(unsigned long, wxImageHistogramEntry,
+ wxIntegerHash, wxIntegerEqual,
+ wxImageHistogram);
+
+//-----------------------------------------------------------------------------
+// wxImage
+//-----------------------------------------------------------------------------
+
class WXDLLEXPORT wxImage: public wxObject
{
public:
wxImage( const wxImage& image );
wxImage( const wxImage* image );
-#if wxUSE_GUI
+#if WXWIN_COMPATIBILITY_2_2 && wxUSE_GUI
// convertion to/from wxBitmap (deprecated, use wxBitmap's methods instead):
wxImage( const wxBitmap &bitmap );
wxBitmap ConvertToBitmap() const;
// RGB values than <startR,startG,startB>
bool FindFirstUnusedColour( unsigned char *r, unsigned char *g, unsigned char *b,
unsigned char startR = 1, unsigned char startG = 0,
- unsigned char startB = 0 );
+ unsigned char startB = 0 ) const;
// Set image's mask to the area of 'mask' that has <r,g,b> colour
bool SetMaskFromImage(const wxImage & mask,
unsigned char mr, unsigned char mg, unsigned char mb);
virtual bool LoadFile( wxInputStream& stream, const wxString& mimetype, int index = -1 );
#endif
- virtual bool SaveFile( const wxString& name, int type );
- virtual bool SaveFile( const wxString& name, const wxString& mimetype );
+ virtual bool SaveFile( const wxString& name ) const;
+ virtual bool SaveFile( const wxString& name, int type ) const;
+ virtual bool SaveFile( const wxString& name, const wxString& mimetype ) const;
#if wxUSE_STREAMS
- virtual bool SaveFile( wxOutputStream& stream, int type );
- virtual bool SaveFile( wxOutputStream& stream, const wxString& mimetype );
+ virtual bool SaveFile( wxOutputStream& stream, int type ) const;
+ virtual bool SaveFile( wxOutputStream& stream, const wxString& mimetype ) const;
#endif
bool Ok() const;
int GetOptionInt(const wxString& name) const;
bool HasOption(const wxString& name) const;
- unsigned long CountColours( unsigned long stopafter = (unsigned long) -1 );
- unsigned long ComputeHistogram( wxHashTable &h );
+ unsigned long CountColours( unsigned long stopafter = (unsigned long) -1 ) const;
+
+ // Computes the histogram of the image and fills a hash table, indexed
+ // with integer keys built as 0xRRGGBB, containing wxImageHistogramEntry
+ // objects. Each of them contains an 'index' (useful to build a palette
+ // with the image colours) and a 'value', which is the number of pixels
+ // in the image with that colour.
+ // Returned value: # of entries in the histogram
+ unsigned long ComputeHistogram( wxImageHistogram &h ) const;
wxImage& operator = (const wxImage& image)
{
#include "wx/imagtiff.h"
#include "wx/imagpnm.h"
#include "wx/imagxpm.h"
+#include "wx/imagiff.h"
#endif // wxUSE_IMAGE