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 IMPLEMENT_DYNAMIC_CLASS(wxPalette, wxGDIObject)
  28
  29 /*
  30  * Palette
  31  *
  32  */
  33
  34 wxPaletteRefData::wxPaletteRefData()
  35 {
  36     m_hPalette = 0;
  37 }
  38
  39 wxPaletteRefData::~wxPaletteRefData()
  40 {
  41     if ( m_hPalette )
  42         return;
  43         // TODO: ::DeleteObject((HPALETTE) m_hPalette);
  44 }
  45
  46 wxPalette::wxPalette()
  47 {
  48 }
  49
  50 wxPalette::wxPalette(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue)
  51 {
  52     Create(n, red, green, blue);
  53 }
  54
  55 wxPalette::~wxPalette()
  56 {
  57 }
  58
  59 bool wxPalette::FreeResource(bool force)
  60 {
  61     if ( M_PALETTEDATA && M_PALETTEDATA->m_hPalette)
  62     {
  63 // TODO:   DeleteObject((HPALETTE)M_PALETTEDATA->m_hPalette);
  64     }
  65     return TRUE;
  66 }
  67
  68 bool wxPalette::Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue)
  69 {
  70   UnRef();
  71
  72   m_refData = new wxPaletteRefData;
  73
  74   // TODO
  75 /*
  76   NPLOGPALETTE npPal = (NPLOGPALETTE)LocalAlloc(LMEM_FIXED, sizeof(LOGPALETTE) +
  77                         (WORD)n * sizeof(PALETTEENTRY));
  78   if (!npPal)
  79     return(FALSE);
  80
  81   npPal->palVersion = 0x300;
  82   npPal->palNumEntries = n;
  83
  84   int i;
  85   for (i = 0; i < n; i ++)
  86   {
  87     npPal->palPalEntry[i].peRed = red[i];
  88     npPal->palPalEntry[i].peGreen = green[i];
  89     npPal->palPalEntry[i].peBlue = blue[i];
  90     npPal->palPalEntry[i].peFlags = 0;
  91   }
  92   M_PALETTEDATA->m_hPalette = (WXHPALETTE) CreatePalette((LPLOGPALETTE)npPal);
  93   LocalFree((HANDLE)npPal);
  94 */
  95   return FALSE;
  96 }
  97
  98 int wxPalette::GetPixel(const unsigned char red, const unsigned char green, const unsigned char blue) const
  99 {
 100     if ( !m_refData )
 101         return FALSE;
 102
 103     // TODO
 104     return FALSE;
 105 }
 106
 107 bool wxPalette::GetRGB(int index, unsigned char *red, unsigned char *green, unsigned char *blue) const
 108 {
 109     if ( !m_refData )
 110             return FALSE;
 111
 112     if (index < 0 || index > 255)
 113         return FALSE;
 114 // TODO
 115 /*
 116   PALETTEENTRY entry;
 117   if (::GetPaletteEntries((HPALETTE) M_PALETTEDATA->m_hPalette, index, 1, &entry))
 118   {
 119          *red = entry.peRed;
 120          *green = entry.peGreen;
 121          *blue = entry.peBlue;
 122          return TRUE;
 123   } else
 124          return FALSE;
 125 */
 126   return FALSE;
 127 }
 128
 129 void wxPalette::SetHPALETTE(WXHPALETTE pal)
 130 {
 131         if ( !m_refData )
 132                 m_refData = new wxPaletteRefData;
 133
 134     M_PALETTEDATA->m_hPalette = pal;
 135 }
 136
 137