include/wx/x11/palette.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/x11/palette.h
   3 // Purpose:     wxPalette class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_PALETTE_H_
  13 #define _WX_PALETTE_H_
  14
  15 #include "wx/gdiobj.h"
  16 #include "wx/list.h"
  17
  18 class WXDLLEXPORT wxPalette;
  19
  20 // Palette for one display
  21 class wxXPalette : public wxObject
  22 {
  23     DECLARE_DYNAMIC_CLASS(wxXPalette)
  24
  25 public:
  26     wxXPalette();
  27
  28     WXDisplay*        m_display;
  29     int               m_pix_array_n;
  30     unsigned long*    m_pix_array;
  31     WXColormap        m_cmap;
  32     bool              m_destroyable;
  33 };
  34
  35 class WXDLLEXPORT wxPaletteRefData: public wxGDIRefData
  36 {
  37     friend class WXDLLEXPORT wxPalette;
  38 public:
  39     wxPaletteRefData();
  40     virtual ~wxPaletteRefData();
  41
  42 protected:
  43     wxList  m_palettes;
  44 };
  45
  46 #define M_PALETTEDATA ((wxPaletteRefData *)m_refData)
  47
  48 class WXDLLEXPORT wxPalette: public wxPaletteBase
  49 {
  50     DECLARE_DYNAMIC_CLASS(wxPalette)
  51
  52 public:
  53     wxPalette();
  54
  55     wxPalette(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue);
  56     virtual ~wxPalette();
  57     bool Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue);
  58     int GetPixel(unsigned char red, unsigned char green, unsigned char blue) const;
  59     bool GetRGB(int pixel, unsigned char *red, unsigned char *green, unsigned char *blue) const;
  60
  61     virtual bool Ok() const { return (m_refData != NULL) ; }
  62
  63     bool operator == (const wxPalette& palette) const { return m_refData == palette.m_refData; }
  64     bool operator != (const wxPalette& palette) const { return m_refData != palette.m_refData; }
  65
  66     // X-specific
  67     WXColormap GetXColormap(WXDisplay* display = NULL) const;
  68     bool TransferBitmap(void *data, int depth, int size);
  69     bool TransferBitmap8(unsigned char *data, unsigned long size, void *dest, unsigned int bpp);
  70     unsigned long *GetXPixArray(WXDisplay* display, int *pix_array_n);
  71     void PutXColormap(WXDisplay* display, WXColormap cmap, bool destroyable);
  72 };
  73
  74 #endif
  75 // _WX_PALETTE_H_