mirror of
https://github.com/reactos/wine.git
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148 lines
3.9 KiB
C
148 lines
3.9 KiB
C
/*
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* DISPDIB.dll
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*
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* Copyright 1998 Ove Kåven (with some help from Marcus Meissner)
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*
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*/
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#include <string.h>
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#include "windef.h"
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#include "wingdi.h"
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#include "wine/wingdi16.h"
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#include "dispdib.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(ddraw);
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#if 0
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static int dispdib_multi = 0;
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static WORD DISPDIB_Begin(WORD wFlags)
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{
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unsigned Xres,Yres,Depth;
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switch(wFlags&DISPLAYDIB_MODE) {
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case DISPLAYDIB_MODE_DEFAULT:
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/* FIXME: is this supposed to autodetect? */
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case DISPLAYDIB_MODE_320x200x8:
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Xres=320; Yres=200; Depth=8; break;
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case DISPLAYDIB_MODE_320x240x8:
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Xres=320; Yres=240; Depth=8; break;
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default:
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return DISPLAYDIB_NOTSUPPORTED;
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}
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/* more or less dummy calls to Death/Resurrection, for completeness */
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/* FIXME: what arguments should they get? */
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Death16(0);
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if (VGA_SetMode(Xres,Yres,Depth)) {
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Resurrection16(0,0,0,0,0,0,0);
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return DISPLAYDIB_NOTSUPPORTED;
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}
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return DISPLAYDIB_NOERROR;
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}
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static void DISPDIB_End(void)
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{
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Resurrection16(0,0,0,0,0,0,0); /* FIXME: arguments */
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VGA_Exit();
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}
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static void DISPDIB_Palette(LPBITMAPINFO lpbi)
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{
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VGA_SetQuadPalette(lpbi->bmiColors,0,256);
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}
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static void DISPDIB_Show(LPBITMAPINFOHEADER lpbi,LPSTR lpBits,WORD uFlags)
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{
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int Xofs,Yofs,Width=lpbi->biWidth,Height=lpbi->biHeight,Delta;
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int Pitch = (Width + 3) & ~3;
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unsigned int sPitch,sWidth,sHeight;
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LPSTR surf = DOSMEM_MapDosToLinear(0xa0000);
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if (VGA_GetMode(&sHeight,&sWidth,NULL)) return;
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sPitch=320;
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Delta=(Height<0)*2-1;
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Height*=-Delta; Pitch*=Delta;
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if (uFlags&DISPLAYDIB_NOCENTER) {
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Xofs=0; Yofs=0;
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} else {
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Xofs=(sWidth-Width)/2;
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Yofs=(sHeight-Height)/2;
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}
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surf += (Yofs*sPitch)+Xofs;
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if (Pitch<0) lpBits-=Pitch*(Height-1);
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for (; Height; Height--,lpBits+=Pitch,surf+=sPitch) {
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memcpy(surf,lpBits,Width);
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}
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VGA_Poll(0);
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}
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#endif
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/*********************************************************************
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* DisplayDib (DISPDIB.1)
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*
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* Disables GDI and takes over the VGA screen to show DIBs in full screen.
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*
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* FLAGS
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*
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* DISPLAYDIB_NOPALETTE: don't change palette
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* DISPLAYDIB_NOCENTER: don't center bitmap
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* DISPLAYDIB_NOWAIT: don't wait (for keypress) before returning
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* DISPLAYDIB_BEGIN: start of multiple calls (does not restore the screen)
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* DISPLAYDIB_END: end of multiple calls (restores the screen)
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* DISPLAYDIB_MODE_DEFAULT: default display mode
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* DISPLAYDIB_MODE_320x200x8: Standard VGA 320x200 256 colors
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* DISPLAYDIB_MODE_320x240x8: Tweaked VGA 320x240 256 colors
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*
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* RETURNS
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*
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* DISPLAYDIB_NOERROR: success
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* DISPLAYDIB_NOTSUPPORTED: function not supported
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* DISPLAYDIB_INVALIDDIB: null or invalid DIB header
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* DISPLAYDIB_INVALIDFORMAT: invalid DIB format
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* DISPLAYDIB_INVALIDTASK: not called from current task
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*
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* BUGS
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*
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* Waiting for keypresses is not implemented.
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*/
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WORD WINAPI DisplayDib(
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LPBITMAPINFO lpbi, /* [in] DIB header with resolution and palette */
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LPSTR lpBits, /* [in] Bitmap bits to show */
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WORD wFlags /* [in] */
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)
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{
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#if 0
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WORD ret;
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if (wFlags&DISPLAYDIB_END) {
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if (dispdib_multi) DISPDIB_End();
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dispdib_multi = 0;
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return DISPLAYDIB_NOERROR;
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}
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if (!dispdib_multi) {
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ret=DISPDIB_Begin(wFlags);
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if (ret) return ret;
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}
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if (wFlags&DISPLAYDIB_BEGIN) dispdib_multi = 1;
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if (!(wFlags&DISPLAYDIB_NOPALETTE)) {
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DISPDIB_Palette(lpbi);
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}
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/* FIXME: not sure if it's valid to draw images in DISPLAYDIB_BEGIN, so... */
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if (lpBits) {
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DISPDIB_Show(&(lpbi->bmiHeader),lpBits,wFlags);
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}
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if (!(wFlags&DISPLAYDIB_NOWAIT)) {
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FIXME("wait not implemented\n");
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}
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if (!dispdib_multi) DISPDIB_End();
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#endif
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FIXME( "broken, should be rewritten using ddraw\n" );
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return DISPLAYDIB_NOERROR;
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}
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