src/os2/palette.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        palette.cpp
   3 // Purpose:     wxPalette
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifndef WX_PRECOMP
  16 #include <stdio.h>
  17 #include "wx/setup.h"
  18 #include "wx/palette.h"
  19 #endif
  20
  21 #define INCL_PM
  22 #define INCL_GPI
  23 #include <os2.h>
  24
  25 #include "assert.h"
  26
  27
  28 /*
  29  * Palette
  30  *
  31  */
  32
  33 wxPaletteRefData::wxPaletteRefData()
  34 {
  35     m_hPalette = 0;
  36 }
  37
  38 wxPaletteRefData::~wxPaletteRefData()
  39 {
  40     if ( m_hPalette )
  41         return;
  42         // TODO: ::DeleteObject((HPALETTE) m_hPalette);
  43 }
  44
  45 wxPalette::wxPalette()
  46 {
  47 }
  48
  49 wxPalette::wxPalette(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue)
  50 {
  51     Create(n, red, green, blue);
  52 }
  53
  54 wxPalette::~wxPalette()
  55 {
  56 }
  57
  58 bool wxPalette::FreeResource(bool force)
  59 {
  60     if ( M_PALETTEDATA && M_PALETTEDATA->m_hPalette)
  61     {
  62 // TODO:   DeleteObject((HPALETTE)M_PALETTEDATA->m_hPalette);
  63     }
  64     return TRUE;
  65 }
  66
  67 bool wxPalette::Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue)
  68 {
  69   UnRef();
  70
  71   m_refData = new wxPaletteRefData;
  72
  73   // TODO
  74 /*
  75   NPLOGPALETTE npPal = (NPLOGPALETTE)LocalAlloc(LMEM_FIXED, sizeof(LOGPALETTE) +
  76                         (WORD)n * sizeof(PALETTEENTRY));
  77   if (!npPal)
  78     return(FALSE);
  79
  80   npPal->palVersion = 0x300;
  81   npPal->palNumEntries = n;
  82
  83   int i;
  84   for (i = 0; i < n; i ++)
  85   {
  86     npPal->palPalEntry[i].peRed = red[i];
  87     npPal->palPalEntry[i].peGreen = green[i];
  88     npPal->palPalEntry[i].peBlue = blue[i];
  89     npPal->palPalEntry[i].peFlags = 0;
  90   }
  91   M_PALETTEDATA->m_hPalette = (WXHPALETTE) CreatePalette((LPLOGPALETTE)npPal);
  92   LocalFree((HANDLE)npPal);
  93 */
  94   return FALSE;
  95 }
  96
  97 int wxPalette::GetPixel(const unsigned char red, const unsigned char green, const unsigned char blue) const
  98 {
  99     if ( !m_refData )
 100         return FALSE;
 101
 102     // TODO
 103     return FALSE;
 104 }
 105
 106 bool wxPalette::GetRGB(int index, unsigned char *red, unsigned char *green, unsigned char *blue) const
 107 {
 108     if ( !m_refData )
 109             return FALSE;
 110
 111     if (index < 0 || index > 255)
 112         return FALSE;
 113 // TODO
 114 /*
 115   PALETTEENTRY entry;
 116   if (::GetPaletteEntries((HPALETTE) M_PALETTEDATA->m_hPalette, index, 1, &entry))
 117   {
 118          *red = entry.peRed;
 119          *green = entry.peGreen;
 120          *blue = entry.peBlue;
 121          return TRUE;
 122   } else
 123          return FALSE;
 124 */
 125   return FALSE;
 126 }
 127
 128 void wxPalette::SetHPALETTE(WXHPALETTE pal)
 129 {
 130         if ( !m_refData )
 131                 m_refData = new wxPaletteRefData;
 132
 133     M_PALETTEDATA->m_hPalette = pal;
 134 }
 135
 136