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 #define CONST_VTABLE
  28
  29 #include "ddraw_private.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  32
  33 static const IDirectDrawPaletteVtbl DDRAW_HAL_Palette_VTable;
  34
  35 /******************************************************************************
  36  *                      IDirectDrawPalette
  37  */
  38 HRESULT HAL_DirectDrawPalette_Construct(IDirectDrawPaletteImpl* This,
  39                                         IDirectDrawImpl* pDD, DWORD dwFlags)
  40 {
  41     LPDDRAWI_DIRECTDRAW_GBL dd_gbl = pDD->local.lpGbl;
  42     DDHAL_CREATEPALETTEDATA data;
  43     HRESULT hr;
  44
  45     hr = Main_DirectDrawPalette_Construct(This, pDD, dwFlags);
  46     if (FAILED(hr)) return hr;
  47
  48     This->final_release = HAL_DirectDrawPalette_final_release;
  49     ICOM_INIT_INTERFACE(This, IDirectDrawPalette, DDRAW_HAL_Palette_VTable);
  50
  51     /* initialize HAL palette */
  52     data.lpDD = dd_gbl;
  53     data.lpDDPalette = &This->global;
  54     data.lpColorTable = NULL;
  55     data.ddRVal = 0;
  56     data.CreatePalette = dd_gbl->lpDDCBtmp->HALDD.CreatePalette;
  57     if (data.CreatePalette)
  58         data.CreatePalette(&data);
  59
  60     return DD_OK;
  61 }
  62
  63 HRESULT
  64 HAL_DirectDrawPalette_Create(IDirectDrawImpl* pDD, DWORD dwFlags,
  65                              LPDIRECTDRAWPALETTE* ppPalette,
  66                              LPUNKNOWN pUnkOuter)
  67 {
  68     IDirectDrawPaletteImpl* This;
  69     HRESULT hr;
  70
  71     if (pUnkOuter != NULL)
  72         return CLASS_E_NOAGGREGATION; /* unchecked */
  73
  74     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*This));
  75     if (This == NULL) return E_OUTOFMEMORY;
  76
  77     hr = HAL_DirectDrawPalette_Construct(This, pDD, dwFlags);
  78     if (FAILED(hr))
  79         HeapFree(GetProcessHeap(), 0, This);
  80     else
  81         *ppPalette = ICOM_INTERFACE(This, IDirectDrawPalette);
  82
  83     return hr;
  84 }
  85
  86 HRESULT WINAPI
  87 HAL_DirectDrawPalette_SetEntries(LPDIRECTDRAWPALETTE iface, DWORD dwFlags,
  88                                  DWORD dwStart, DWORD dwCount,
  89                                  LPPALETTEENTRY palent)
  90 {
  91     IDirectDrawPaletteImpl *This = (IDirectDrawPaletteImpl *)iface;
  92     LPDDRAWI_DIRECTDRAW_GBL dd_gbl = This->local.lpDD_lcl->lpGbl;
  93     DDHAL_SETENTRIESDATA data;
  94
  95     TRACE("(%p)->SetEntries(%08lx,%ld,%ld,%p)\n",This,dwFlags,dwStart,dwCount,
  96           palent);
  97
  98     data.lpDD = dd_gbl;
  99     data.lpDDPalette = &This->global;
 100     data.dwBase = dwStart;
 101     data.dwNumEntries = dwCount;
 102     data.lpEntries = palent;
 103     data.ddRVal = 0;
 104     data.SetEntries = dd_gbl->lpDDCBtmp->HALDDPalette.SetEntries;
 105     if (data.SetEntries)
 106         data.SetEntries(&data);
 107
 108     return Main_DirectDrawPalette_SetEntries(iface, dwFlags, dwStart, dwCount, palent);
 109 }
 110
 111 void HAL_DirectDrawPalette_final_release(IDirectDrawPaletteImpl* This)
 112 {
 113     LPDDRAWI_DIRECTDRAW_GBL dd_gbl = This->local.lpDD_lcl->lpGbl;
 114     DDHAL_DESTROYPALETTEDATA data;
 115
 116     /* destroy HAL palette */
 117     data.lpDD = dd_gbl;
 118     data.lpDDPalette = &This->global;
 119     data.ddRVal = 0;
 120     data.DestroyPalette = dd_gbl->lpDDCBtmp->HALDDPalette.DestroyPalette;
 121     if (data.DestroyPalette)
 122         data.DestroyPalette(&data);
 123
 124     Main_DirectDrawPalette_final_release(This);
 125 }
 126
 127 static const IDirectDrawPaletteVtbl DDRAW_HAL_Palette_VTable =
 128 {
 129     Main_DirectDrawPalette_QueryInterface,
 130     Main_DirectDrawPalette_AddRef,
 131     Main_DirectDrawPalette_Release,
 132     Main_DirectDrawPalette_GetCaps,
 133     Main_DirectDrawPalette_GetEntries,
 134     Main_DirectDrawPalette_Initialize,
 135     HAL_DirectDrawPalette_SetEntries
 136 };