/* * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <string.h> #include "windef.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; }