279 lines
7.8 KiB
C
279 lines
7.8 KiB
C
/* DirectDraw - IDirectPalette base interface
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*
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* Copyright 1997-2000 Marcus Meissner
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* Copyright 2000-2001 TransGaming Technologies Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "winerror.h"
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#include "wine/debug.h"
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#include <assert.h>
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#include <string.h>
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#include "ddraw_private.h"
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#include "dpalette/main.h"
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#include "ddraw/main.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
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#define SIZE_BITS (DDPCAPS_1BIT | DDPCAPS_2BIT | DDPCAPS_4BIT | DDPCAPS_8BIT)
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/* For unsigned x. 0 is not a power of 2. */
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#define IS_POW_2(x) (((x) & ((x) - 1)) == 0)
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static IDirectDrawPaletteVtbl DDRAW_Main_Palette_VTable;
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/******************************************************************************
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* IDirectDrawPalette
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*/
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HRESULT Main_DirectDrawPalette_Construct(IDirectDrawPaletteImpl* This,
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IDirectDrawImpl* pDD, DWORD dwFlags)
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{
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if (!IS_POW_2(dwFlags & SIZE_BITS)) return DDERR_INVALIDPARAMS;
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if (dwFlags & DDPCAPS_8BITENTRIES)
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WARN("creating palette with 8 bit entries\n");
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This->palNumEntries = Main_DirectDrawPalette_Size(dwFlags);
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This->ref = 1;
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This->local.lpGbl = &This->global;
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This->local.lpDD_lcl = &pDD->local;
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This->global.lpDD_lcl = &pDD->local;
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This->global.dwProcessId = GetCurrentProcessId();
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This->global.dwFlags = dwFlags;
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This->final_release = Main_DirectDrawPalette_final_release;
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ICOM_INIT_INTERFACE(This, IDirectDrawPalette, DDRAW_Main_Palette_VTable);
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/* we could defer hpal creation until we need it,
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* but does anyone have a case where it would be useful? */
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This->hpal = CreatePalette((const LOGPALETTE*)&(This->palVersion));
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Main_DirectDraw_AddPalette(pDD, This);
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return DD_OK;
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}
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HRESULT
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Main_DirectDrawPalette_Create(IDirectDrawImpl* pDD, DWORD dwFlags,
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LPDIRECTDRAWPALETTE* ppPalette,
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LPUNKNOWN pUnkOuter)
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{
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IDirectDrawPaletteImpl* This;
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HRESULT hr;
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if (pUnkOuter != NULL)
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return CLASS_E_NOAGGREGATION; /* unchecked */
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This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*This));
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if (This == NULL) return E_OUTOFMEMORY;
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hr = Main_DirectDrawPalette_Construct(This, pDD, dwFlags);
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if (FAILED(hr))
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HeapFree(GetProcessHeap(), 0, This);
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else
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*ppPalette = ICOM_INTERFACE(This, IDirectDrawPalette);
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return hr;
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}
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DWORD Main_DirectDrawPalette_Size(DWORD dwFlags)
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{
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switch (dwFlags & SIZE_BITS)
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{
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case DDPCAPS_1BIT: return 2;
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case DDPCAPS_2BIT: return 4;
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case DDPCAPS_4BIT: return 16;
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case DDPCAPS_8BIT: return 256;
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default: assert(0); return 256;
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}
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}
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HRESULT WINAPI
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Main_DirectDrawPalette_GetEntries(LPDIRECTDRAWPALETTE iface, DWORD dwFlags,
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DWORD dwStart, DWORD dwCount,
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LPPALETTEENTRY palent)
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{
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ICOM_THIS(IDirectDrawPaletteImpl,iface);
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TRACE("(%p)->GetEntries(%08lx,%ld,%ld,%p)\n",This,dwFlags,dwStart,dwCount,
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palent);
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if (dwFlags != 0) return DDERR_INVALIDPARAMS; /* unchecked */
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if (dwStart + dwCount > Main_DirectDrawPalette_Size(This->global.dwFlags))
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return DDERR_INVALIDPARAMS;
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if (This->global.dwFlags & DDPCAPS_8BITENTRIES)
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{
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int i;
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LPBYTE entry = (LPBYTE)palent;
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for (i=dwStart; i < dwCount+dwStart; i++)
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*entry++ = This->palents[i].peRed;
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}
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else
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memcpy(palent, This->palents+dwStart, dwCount * sizeof(PALETTEENTRY));
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return DD_OK;
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}
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HRESULT WINAPI
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Main_DirectDrawPalette_SetEntries(LPDIRECTDRAWPALETTE iface, DWORD dwFlags,
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DWORD dwStart, DWORD dwCount,
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LPPALETTEENTRY palent)
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{
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ICOM_THIS(IDirectDrawPaletteImpl,iface);
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TRACE("(%p)->SetEntries(%08lx,%ld,%ld,%p)\n",This,dwFlags,dwStart,dwCount,
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palent);
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if (This->global.dwFlags & DDPCAPS_8BITENTRIES)
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{
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int i;
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const BYTE* entry = (const BYTE*)palent;
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for (i=dwStart; i < dwCount+dwStart; i++)
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This->palents[i].peRed = *entry++;
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}
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else {
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memcpy(This->palents+dwStart, palent, dwCount * sizeof(PALETTEENTRY));
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if (This->hpal)
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SetPaletteEntries(This->hpal, dwStart, dwCount, This->palents+dwStart);
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if (This->global.dwFlags & DDPCAPS_PRIMARYSURFACE) {
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/* update physical palette */
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LPDIRECTDRAWSURFACE7 psurf = NULL;
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IDirectDraw7_GetGDISurface(ICOM_INTERFACE(This->ddraw_owner,IDirectDraw7), &psurf);
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if (psurf) {
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IDirectDrawSurfaceImpl *surf = ICOM_OBJECT(IDirectDrawSurfaceImpl,
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IDirectDrawSurface7, psurf);
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surf->update_palette(surf, This, dwStart, dwCount, palent);
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IDirectDrawSurface7_Release(psurf);
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}
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else ERR("can't find GDI surface!!\n");
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}
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}
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#if 0
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/* Now, if we are in 'depth conversion mode', update the screen palette */
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/* FIXME: we need to update the image or we won't get palette fading. */
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if (This->ddraw->d->palette_convert != NULL)
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This->ddraw->d->palette_convert(palent,This->screen_palents,start,count);
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#endif
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return DD_OK;
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}
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void Main_DirectDrawPalette_final_release(IDirectDrawPaletteImpl* This)
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{
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Main_DirectDraw_RemovePalette(This->ddraw_owner, This);
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if (This->hpal) DeleteObject(This->hpal);
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}
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static void Main_DirectDrawPalette_Destroy(IDirectDrawPaletteImpl* This)
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{
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This->final_release(This);
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if (This->private != This+1)
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HeapFree(GetProcessHeap(), 0, This->private);
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HeapFree(GetProcessHeap(),0,This);
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}
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void Main_DirectDrawPalette_ForceDestroy(IDirectDrawPaletteImpl* This)
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{
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WARN("deleting palette %p with refcnt %lu\n", This, This->ref);
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Main_DirectDrawPalette_Destroy(This);
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}
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ULONG WINAPI
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Main_DirectDrawPalette_Release(LPDIRECTDRAWPALETTE iface)
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{
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ICOM_THIS(IDirectDrawPaletteImpl,iface);
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TRACE("(%p)->() decrementing from %lu.\n", This, This->ref );
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if (!--This->ref)
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{
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Main_DirectDrawPalette_Destroy(This);
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return 0;
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}
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return This->ref;
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}
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ULONG WINAPI Main_DirectDrawPalette_AddRef(LPDIRECTDRAWPALETTE iface) {
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ICOM_THIS(IDirectDrawPaletteImpl,iface);
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TRACE("(%p)->() incrementing from %lu.\n", This, This->ref );
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return ++This->ref;
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}
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HRESULT WINAPI
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Main_DirectDrawPalette_Initialize(LPDIRECTDRAWPALETTE iface,
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LPDIRECTDRAW ddraw, DWORD dwFlags,
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LPPALETTEENTRY palent)
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{
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ICOM_THIS(IDirectDrawPaletteImpl,iface);
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TRACE("(%p)->(%p,%ld,%p)\n", This, ddraw, dwFlags, palent);
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return DDERR_ALREADYINITIALIZED;
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}
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HRESULT WINAPI
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Main_DirectDrawPalette_GetCaps(LPDIRECTDRAWPALETTE iface, LPDWORD lpdwCaps)
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{
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ICOM_THIS(IDirectDrawPaletteImpl,iface);
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TRACE("(%p)->(%p)\n",This,lpdwCaps);
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*lpdwCaps = This->global.dwFlags;
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return DD_OK;
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}
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HRESULT WINAPI
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Main_DirectDrawPalette_QueryInterface(LPDIRECTDRAWPALETTE iface,
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REFIID refiid, LPVOID *obj)
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{
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ICOM_THIS(IDirectDrawPaletteImpl,iface);
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TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(refiid),obj);
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if (IsEqualGUID(refiid, &IID_IUnknown)
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|| IsEqualGUID(refiid, &IID_IDirectDrawPalette))
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{
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*obj = iface;
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IDirectDrawPalette_AddRef(iface);
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return S_OK;
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}
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else
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{
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return E_NOINTERFACE;
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}
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}
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static IDirectDrawPaletteVtbl DDRAW_Main_Palette_VTable =
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{
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Main_DirectDrawPalette_QueryInterface,
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Main_DirectDrawPalette_AddRef,
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Main_DirectDrawPalette_Release,
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Main_DirectDrawPalette_GetCaps,
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Main_DirectDrawPalette_GetEntries,
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Main_DirectDrawPalette_Initialize,
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Main_DirectDrawPalette_SetEntries
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};
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