dlls/ddraw/palette_hal.c

   1 /*      DirectDrawPalette HAL driver
   2  *
   3  * Copyright 2001 TransGaming Technologies Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #include "config.h"
  21 #include "winerror.h"
  22 #include "wine/debug.h"
  23
  24 #include <assert.h>
  25 #include <string.h>
  26
  27 #include "ddraw_private.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  30
  31 static const IDirectDrawPaletteVtbl DDRAW_HAL_Palette_VTable;
  32
  33 /******************************************************************************
  34  *                      IDirectDrawPalette
  35  */
  36 HRESULT HAL_DirectDrawPalette_Construct(IDirectDrawPaletteImpl* This,
  37                                         IDirectDrawImpl* pDD, DWORD dwFlags)
  38 {
  39     LPDDRAWI_DIRECTDRAW_GBL dd_gbl = pDD->local.lpGbl;
  40     DDHAL_CREATEPALETTEDATA data;
  41     HRESULT hr;
  42
  43     hr = Main_DirectDrawPalette_Construct(This, pDD, dwFlags);
  44     if (FAILED(hr)) return hr;
  45
  46     This->final_release = HAL_DirectDrawPalette_final_release;
  47     ICOM_INIT_INTERFACE(This, IDirectDrawPalette, DDRAW_HAL_Palette_VTable);
  48
  49     /* initialize HAL palette */
  50     data.lpDD = dd_gbl;
  51     data.lpDDPalette = &This->global;
  52     data.lpColorTable = NULL;
  53     data.ddRVal = 0;
  54     data.CreatePalette = dd_gbl->lpDDCBtmp->HALDD.CreatePalette;
  55     if (data.CreatePalette)
  56         data.CreatePalette(&data);
  57
  58     return DD_OK;
  59 }
  60
  61 HRESULT
  62 HAL_DirectDrawPalette_Create(IDirectDrawImpl* pDD, DWORD dwFlags,
  63                              LPDIRECTDRAWPALETTE* ppPalette,
  64                              LPUNKNOWN pUnkOuter)
  65 {
  66     IDirectDrawPaletteImpl* This;
  67     HRESULT hr;
  68
  69     if (pUnkOuter != NULL)
  70         return CLASS_E_NOAGGREGATION; /* unchecked */
  71
  72     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*This));
  73     if (This == NULL) return E_OUTOFMEMORY;
  74
  75     hr = HAL_DirectDrawPalette_Construct(This, pDD, dwFlags);
  76     if (FAILED(hr))
  77         HeapFree(GetProcessHeap(), 0, This);
  78     else
  79         *ppPalette = ICOM_INTERFACE(This, IDirectDrawPalette);
  80
  81     return hr;
  82 }
  83
  84 HRESULT WINAPI
  85 HAL_DirectDrawPalette_SetEntries(LPDIRECTDRAWPALETTE iface, DWORD dwFlags,
  86                                  DWORD dwStart, DWORD dwCount,
  87                                  LPPALETTEENTRY palent)
  88 {
  89     IDirectDrawPaletteImpl *This = (IDirectDrawPaletteImpl *)iface;
  90     LPDDRAWI_DIRECTDRAW_GBL dd_gbl = This->local.lpDD_lcl->lpGbl;
  91     DDHAL_SETENTRIESDATA data;
  92
  93     TRACE("(%p)->SetEntries(%08lx,%ld,%ld,%p)\n",This,dwFlags,dwStart,dwCount,
  94           palent);
  95
  96     data.lpDD = dd_gbl;
  97     data.lpDDPalette = &This->global;
  98     data.dwBase = dwStart;
  99     data.dwNumEntries = dwCount;
 100     data.lpEntries = palent;
 101     data.ddRVal = 0;
 102     data.SetEntries = dd_gbl->lpDDCBtmp->HALDDPalette.SetEntries;
 103     if (data.SetEntries)
 104         data.SetEntries(&data);
 105
 106     return Main_DirectDrawPalette_SetEntries(iface, dwFlags, dwStart, dwCount, palent);
 107 }
 108
 109 void HAL_DirectDrawPalette_final_release(IDirectDrawPaletteImpl* This)
 110 {
 111     LPDDRAWI_DIRECTDRAW_GBL dd_gbl = This->local.lpDD_lcl->lpGbl;
 112     DDHAL_DESTROYPALETTEDATA data;
 113
 114     /* destroy HAL palette */
 115     data.lpDD = dd_gbl;
 116     data.lpDDPalette = &This->global;
 117     data.ddRVal = 0;
 118     data.DestroyPalette = dd_gbl->lpDDCBtmp->HALDDPalette.DestroyPalette;
 119     if (data.DestroyPalette)
 120         data.DestroyPalette(&data);
 121
 122     Main_DirectDrawPalette_final_release(This);
 123 }
 124
 125 static const IDirectDrawPaletteVtbl DDRAW_HAL_Palette_VTable =
 126 {
 127     Main_DirectDrawPalette_QueryInterface,
 128     Main_DirectDrawPalette_AddRef,
 129     Main_DirectDrawPalette_Release,
 130     Main_DirectDrawPalette_GetCaps,
 131     Main_DirectDrawPalette_GetEntries,
 132     Main_DirectDrawPalette_Initialize,
 133     HAL_DirectDrawPalette_SetEntries
 134 };