| /* |
| * DISPDIB.dll |
| * |
| * Copyright 1998 Ove Kåven (with some help from Marcus Meissner) |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include <stdarg.h> |
| #include <string.h> |
| #include "windef.h" |
| #include "winbase.h" |
| #include "wingdi.h" |
| #include "wine/wingdi16.h" |
| #include "dispdib.h" |
| #include "wine/debug.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(ddraw); |
| |
| #if 0 |
| |
| static int dispdib_multi = 0; |
| |
| static WORD DISPDIB_Begin(WORD wFlags) |
| { |
| unsigned Xres,Yres,Depth; |
| |
| switch(wFlags&DISPLAYDIB_MODE) { |
| case DISPLAYDIB_MODE_DEFAULT: |
| /* FIXME: is this supposed to autodetect? */ |
| case DISPLAYDIB_MODE_320x200x8: |
| Xres=320; Yres=200; Depth=8; break; |
| case DISPLAYDIB_MODE_320x240x8: |
| Xres=320; Yres=240; Depth=8; break; |
| default: |
| return DISPLAYDIB_NOTSUPPORTED; |
| } |
| /* more or less dummy calls to Death/Resurrection, for completeness */ |
| /* FIXME: what arguments should they get? */ |
| Death16(0); |
| if (VGA_SetMode(Xres,Yres,Depth)) { |
| Resurrection16(0,0,0,0,0,0,0); |
| return DISPLAYDIB_NOTSUPPORTED; |
| } |
| return DISPLAYDIB_NOERROR; |
| } |
| |
| static void DISPDIB_End(void) |
| { |
| Resurrection16(0,0,0,0,0,0,0); /* FIXME: arguments */ |
| VGA_Exit(); |
| } |
| |
| static void DISPDIB_Palette(LPBITMAPINFO lpbi) |
| { |
| VGA_SetQuadPalette(lpbi->bmiColors,0,256); |
| } |
| |
| static void DISPDIB_Show(LPBITMAPINFOHEADER lpbi,LPSTR lpBits,WORD uFlags) |
| { |
| int Xofs,Yofs,Width=lpbi->biWidth,Height=lpbi->biHeight,Delta; |
| int Pitch = (Width + 3) & ~3; |
| unsigned int sPitch,sWidth,sHeight; |
| LPSTR surf = DOSMEM_MapDosToLinear(0xa0000); |
| |
| if (VGA_GetMode(&sHeight,&sWidth,NULL)) return; |
| sPitch=320; |
| |
| Delta=(Height<0)*2-1; |
| Height*=-Delta; Pitch*=Delta; |
| |
| if (uFlags&DISPLAYDIB_NOCENTER) { |
| Xofs=0; Yofs=0; |
| } else { |
| Xofs=(sWidth-Width)/2; |
| Yofs=(sHeight-Height)/2; |
| } |
| surf += (Yofs*sPitch)+Xofs; |
| if (Pitch<0) lpBits-=Pitch*(Height-1); |
| for (; Height; Height--,lpBits+=Pitch,surf+=sPitch) { |
| memcpy(surf,lpBits,Width); |
| } |
| |
| VGA_Poll(0); |
| } |
| #endif |
| |
| |
| /********************************************************************* |
| * DisplayDib (DISPDIB.1) |
| * |
| * Disables GDI and takes over the VGA screen to show DIBs in full screen. |
| * |
| * FLAGS |
| * |
| * DISPLAYDIB_NOPALETTE: don't change palette |
| * DISPLAYDIB_NOCENTER: don't center bitmap |
| * DISPLAYDIB_NOWAIT: don't wait (for keypress) before returning |
| * DISPLAYDIB_BEGIN: start of multiple calls (does not restore the screen) |
| * DISPLAYDIB_END: end of multiple calls (restores the screen) |
| * DISPLAYDIB_MODE_DEFAULT: default display mode |
| * DISPLAYDIB_MODE_320x200x8: Standard VGA 320x200 256 colors |
| * DISPLAYDIB_MODE_320x240x8: Tweaked VGA 320x240 256 colors |
| * |
| * RETURNS |
| * |
| * DISPLAYDIB_NOERROR: success |
| * DISPLAYDIB_NOTSUPPORTED: function not supported |
| * DISPLAYDIB_INVALIDDIB: null or invalid DIB header |
| * DISPLAYDIB_INVALIDFORMAT: invalid DIB format |
| * DISPLAYDIB_INVALIDTASK: not called from current task |
| * |
| * BUGS |
| * |
| * Waiting for keypresses is not implemented. |
| */ |
| WORD WINAPI DisplayDib( |
| LPBITMAPINFO lpbi, /* [in] DIB header with resolution and palette */ |
| LPSTR lpBits, /* [in] Bitmap bits to show */ |
| WORD wFlags /* [in] */ |
| ) |
| { |
| #if 0 |
| WORD ret; |
| |
| if (wFlags&DISPLAYDIB_END) { |
| if (dispdib_multi) DISPDIB_End(); |
| dispdib_multi = 0; |
| return DISPLAYDIB_NOERROR; |
| } |
| if (!dispdib_multi) { |
| ret=DISPDIB_Begin(wFlags); |
| if (ret) return ret; |
| } |
| if (wFlags&DISPLAYDIB_BEGIN) dispdib_multi = 1; |
| if (!(wFlags&DISPLAYDIB_NOPALETTE)) { |
| DISPDIB_Palette(lpbi); |
| } |
| /* FIXME: not sure if it's valid to draw images in DISPLAYDIB_BEGIN, so... */ |
| if (lpBits) { |
| DISPDIB_Show(&(lpbi->bmiHeader),lpBits,wFlags); |
| } |
| if (!(wFlags&DISPLAYDIB_NOWAIT)) { |
| FIXME("wait not implemented\n"); |
| } |
| if (!dispdib_multi) DISPDIB_End(); |
| #endif |
| FIXME( "broken, should be rewritten using ddraw\n" ); |
| return DISPLAYDIB_NOERROR; |
| } |