1 | #include <stdio.h>
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2 | #include <stdlib.h>
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3 | #include <string.h>
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4 | #include <memory.h>
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5 | #define INITGUID
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6 | #include "os2palette.h"
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7 | #define _OS2WIN_H
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8 | #define FAR
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9 | #include "misc.h"
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10 | #include "os2palset.h"
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11 | #include <winerror.h>
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12 |
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13 | //******************************************************************************
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14 | //******************************************************************************
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15 | OS2IDirectDrawPalette::OS2IDirectDrawPalette( OS2IDirectDraw *lpDirectDraw,
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16 | int palsize,
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17 | LPPALETTEENTRY lpColorTable,
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18 | DWORD dwPalFlags) :
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19 | Referenced(0), os2pal(NULL),
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20 | lastError(DD_OK), lpDraw(NULL)
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21 | {
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22 | lpVtbl = &Vtbl;
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23 | Vtbl.AddRef = PalAddRef;
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24 | Vtbl.Release = PalRelease;
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25 | Vtbl.QueryInterface = PalQueryInterface;
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26 | Vtbl.GetCaps = PalGetCaps;
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27 | Vtbl.GetEntries = PalGetEntries;
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28 | Vtbl.Initialize = PalInitialize;
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29 | Vtbl.SetEntries = PalSetEntries;
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30 |
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31 | lpDraw = lpDirectDraw;
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32 | lpDraw->Vtbl.AddRef(lpDraw);
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33 | hDive = lpDirectDraw->GetDiveInstance();
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34 | dwCaps = dwPalFlags;
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35 |
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36 | dwSize = palsize;
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37 | if(256==dwSize)
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38 | dwCaps |= DDPCAPS_ALLOW256;
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39 | dwCaps &= ~DDPCAPS_VSYNC; // No sync change
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40 |
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41 | os2pal = (LPPALETTEENTRY)malloc(palsize*sizeof(PALETTEENTRY));
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42 | memcpy((char *)os2pal, (char *)lpColorTable, palsize*sizeof(PALETTEENTRY));
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43 | }
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44 | //******************************************************************************
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45 | //******************************************************************************
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46 | OS2IDirectDrawPalette::~OS2IDirectDrawPalette()
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47 | {
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48 | if(os2pal)
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49 | free(os2pal);
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50 | lpDraw->Vtbl.Release(lpDraw);
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51 | }
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52 | //******************************************************************************
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53 | //******************************************************************************
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54 | HRESULT __stdcall PalQueryInterface(THIS This, REFIID riid, LPVOID FAR * ppvObj)
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55 | {
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56 | #ifdef DEBUG
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57 | WriteLog("OS2IDirectDrawPalette::PalQueryInterface\n");
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58 | #endif
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59 |
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60 | *ppvObj = NULL;
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61 |
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62 | if(!IsEqualGUID(riid, IID_IDirectDrawPalette))
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63 | //&& !IsEqualGUID(riid, IID_IUnknown))
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64 | return E_NOINTERFACE;
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65 |
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66 | *ppvObj = This;
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67 |
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68 | PalAddRef(This);
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69 | return(DD_OK);
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70 | }
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71 | //******************************************************************************
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72 | //******************************************************************************
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73 | ULONG __stdcall PalAddRef(THIS This)
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74 | {
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75 | OS2IDirectDrawPalette *me = (OS2IDirectDrawPalette *)This;
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76 |
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77 | #ifdef DEBUG
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78 | WriteLog("OS2IDirectDrawPalette::PalAddRef %d\n", me->Referenced+1);
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79 | #endif
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80 |
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81 | return (++me->Referenced);
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82 | }
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83 | //******************************************************************************
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84 | //******************************************************************************
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85 | ULONG __stdcall PalRelease(THIS This)
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86 | {
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87 | OS2IDirectDrawPalette *me = (OS2IDirectDrawPalette *)This;
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88 |
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89 | #ifdef DEBUG
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90 | WriteLog("OS2IDirectDrawPalette::PalRelease %d\n", me->Referenced-1);
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91 | #endif
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92 |
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93 | if(me->Referenced)
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94 | {
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95 | me->Referenced--;
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96 | if(me->Referenced == 0)
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97 | {
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98 | delete me;
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99 | return(0);
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100 | }
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101 | else
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102 | return (me->Referenced);
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103 | }
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104 | else
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105 | return(0);
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106 | }
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107 | //******************************************************************************
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108 | //******************************************************************************
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109 | HRESULT __stdcall PalGetCaps(THIS This, LPDWORD lpdwCaps)
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110 | {
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111 | OS2IDirectDrawPalette *me = (OS2IDirectDrawPalette *)This;
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112 |
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113 | #ifdef DEBUG
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114 | WriteLog("OS2IDirectDrawPalette::GetCaps\n");
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115 | #endif
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116 |
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117 | if(NULL== lpdwCaps)
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118 | return(DDERR_INVALIDPARAMS);
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119 |
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120 | *lpdwCaps = me->dwCaps;
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121 |
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122 | if(me->fAttachedToPrimary)
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123 | *lpdwCaps |= DDPCAPS_PRIMARYSURFACE;
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124 |
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125 | return(DD_OK);
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126 | }
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127 | //******************************************************************************
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128 | //******************************************************************************
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129 | HRESULT __stdcall PalGetEntries(THIS This, DWORD dwFlags,
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130 | DWORD dwBase,
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131 | DWORD dwNumEntries,
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132 | LPPALETTEENTRY lpEntries)
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133 | {
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134 | OS2IDirectDrawPalette *me = (OS2IDirectDrawPalette *)This;
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135 |
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136 | #ifdef DEBUG
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137 | WriteLog("OS2IDirectDrawPalette::PalGetEntries\n");
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138 | #endif
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139 |
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140 | if( (NULL== lpEntries) ||(0!=dwFlags) ||(dwBase<0) ||((dwBase + dwNumEntries)>me->dwSize) )
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141 | return(DDERR_INVALIDPARAMS);
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142 |
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143 | memcpy( (char *)lpEntries,
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144 | (char *)(me->os2pal + dwBase),
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145 | dwNumEntries*sizeof(PALETTEENTRY));
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146 | return(DD_OK);
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147 | }
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148 | //******************************************************************************
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149 | //******************************************************************************
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150 | HRESULT __stdcall PalInitialize(THIS, LPDIRECTDRAW, DWORD, LPPALETTEENTRY)
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151 | {
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152 | #ifdef DEBUG
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153 | WriteLog("OS2IDirectDrawPalette::PalInitialize\n");
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154 | #endif
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155 | return(DDERR_ALREADYINITIALIZED);
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156 | }
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157 | //******************************************************************************
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158 | //******************************************************************************
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159 | HRESULT __stdcall PalSetEntries(THIS This, DWORD dwFlags,
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160 | DWORD dwBase,
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161 | DWORD dwNumEntries,
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162 | LPPALETTEENTRY lpNewEntries)
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163 | {
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164 | OS2IDirectDrawPalette *me = (OS2IDirectDrawPalette *)This;
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165 |
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166 | #ifdef DEBUG
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167 | WriteLog("OS2IDirectDrawPalette::PalSetEntries\n");
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168 | #endif
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169 | if( (NULL== lpNewEntries) ||(0!=dwFlags) ||(dwBase<0) ||((dwBase + dwNumEntries)>me->dwSize) )
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170 | return(DDERR_INVALIDPARAMS);
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171 | memcpy((char *)(me->os2pal + dwBase),
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172 | (char *)lpNewEntries,
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173 | dwNumEntries*sizeof(PALETTEENTRY));
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174 |
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175 | if(me->fAttachedToPrimary)
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176 | me->SetPhysPalette();
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177 |
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178 | return(DD_OK);
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179 | }
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180 | //******************************************************************************
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181 | //******************************************************************************
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182 | void OS2IDirectDrawPalette::SetPhysPalette()
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183 | {
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184 | OS2SetPhysPalette(os2pal);
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185 | }
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186 | //******************************************************************************
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187 | //******************************************************************************
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188 | void OS2IDirectDrawPalette::RestorePhysPalette()
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189 | {
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190 | OS2ResetPhysPalette();
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191 | }
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192 | //******************************************************************************
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193 | //******************************************************************************
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194 | void OS2IDirectDrawPalette::SetIsPrimary(BOOL fNewVal)
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195 | {
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196 | if(fNewVal==fAttachedToPrimary)
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197 | return;
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198 | fAttachedToPrimary = fNewVal;
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199 | if(fAttachedToPrimary)
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200 | SetPhysPalette();
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201 |
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202 | }
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203 | //******************************************************************************
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204 | //******************************************************************************
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205 |
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