include/wx/x11/palette.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16 #pragma interface "palette.h"
  17 #endif
  18
  19 #include "wx/gdiobj.h"
  20 #include "wx/list.h"
  21
  22 class WXDLLEXPORT wxPalette;
  23
  24 // Palette for one display
  25 class wxXPalette : public wxObject
  26 {
  27     DECLARE_DYNAMIC_CLASS(wxXPalette)
  28
  29 public:
  30     wxXPalette();
  31
  32     WXDisplay*        m_display;
  33     int               m_pix_array_n;
  34     unsigned long*    m_pix_array;
  35     WXColormap        m_cmap;
  36     bool              m_destroyable;
  37 };
  38
  39 class WXDLLEXPORT wxPaletteRefData: public wxGDIRefData
  40 {
  41     friend class WXDLLEXPORT wxPalette;
  42 public:
  43     wxPaletteRefData();
  44     ~wxPaletteRefData();
  45
  46 protected:
  47     wxList  m_palettes;
  48 };
  49
  50 #define M_PALETTEDATA ((wxPaletteRefData *)m_refData)
  51
  52 class WXDLLEXPORT wxPalette: public wxGDIObject
  53 {
  54     DECLARE_DYNAMIC_CLASS(wxPalette)
  55
  56 public:
  57     wxPalette();
  58     wxPalette(const wxPalette& palette) { Ref(palette); }
  59
  60     wxPalette(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue);
  61     ~wxPalette();
  62     bool Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue);
  63     int GetPixel(const unsigned char red, const unsigned char green, const unsigned char blue) const;
  64     bool GetRGB(int pixel, unsigned char *red, unsigned char *green, unsigned char *blue) const;
  65
  66     virtual bool Ok() const { return (m_refData != NULL) ; }
  67
  68     wxPalette& operator = (const wxPalette& palette) { if (*this == palette) return (*this); Ref(palette); return *this; }
  69     bool operator == (const wxPalette& palette) const { return m_refData == palette.m_refData; }
  70     bool operator != (const wxPalette& palette) const { return m_refData != palette.m_refData; }
  71
  72     // X-specific
  73     WXColormap GetXColormap(WXDisplay* display = NULL) const;
  74     bool TransferBitmap(void *data, int depth, int size);
  75     bool TransferBitmap8(unsigned char *data, unsigned long size, void *dest, unsigned int bpp);
  76     unsigned long *GetXPixArray(WXDisplay* display, int *pix_array_n);
  77     void PutXColormap(WXDisplay* display, WXColormap cmap, bool destroyable);
  78 };
  79
  80 #endif
  81 // _WX_PALETTE_H_