mirror of
https://github.com/wine-mirror/wine
synced 2024-07-08 20:06:18 +00:00
Implemented DisplayDib.
This commit is contained in:
Ove Kaaven
Alexandre Julliard
parent
0108d6423e
commit
99f51106cc
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@ -9,6 +9,7 @@ C_SRCS = \
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bitblt.c \
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cache.c \
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ddraw.c \
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dispdib.c \
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driver.c \
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env.c \
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escape.c \
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167
graphics/dispdib.c
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167
graphics/dispdib.c
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@ -0,0 +1,167 @@
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/*
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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 "windows.h"
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#include "dispdib.h"
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#include "compobj.h"
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#include "interfaces.h"
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#include "ddraw.h"
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#include "debug.h"
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static int dispdib_multi = 0;
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static IDirectDraw *lpddraw = NULL;
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static IDirectDrawSurface *lpddsurf;
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static IDirectDrawPalette *lpddpal;
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static DDSURFACEDESC sdesc;
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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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if (!lpddraw) {
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DirectDrawCreate(NULL,&lpddraw,NULL);
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if (!lpddraw) {
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ERR(ddraw,"DirectDraw is not available\n");
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return DISPLAYDIB_NOTSUPPORTED;
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}
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if (lpddraw->lpvtbl->fnSetDisplayMode(lpddraw,Xres,Yres,Depth)) {
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ERR(ddraw,"DirectDraw does not support requested display mode\n");
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lpddraw->lpvtbl->fnRelease(lpddraw);
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return DISPLAYDIB_NOTSUPPORTED;
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}
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lpddraw->lpvtbl->fnCreatePalette(lpddraw,0,NULL,&lpddpal,NULL);
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memset(&sdesc,0,sizeof(sdesc));
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sdesc.dwSize=sizeof(sdesc);
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lpddraw->lpvtbl->fnCreateSurface(lpddraw,&sdesc,&lpddsurf,NULL);
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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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if (lpddraw) {
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lpddsurf->lpvtbl->fnRelease(lpddsurf);
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lpddraw->lpvtbl->fnRelease(lpddraw);
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lpddraw=NULL;
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}
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}
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static void DISPDIB_Palette(LPBITMAPINFO lpbi)
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{
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PALETTEENTRY pal[256];
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int c;
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for (c=0; c<256; c++) {
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pal[c].peRed =lpbi->bmiColors[c].rgbRed;
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pal[c].peGreen=lpbi->bmiColors[c].rgbGreen;
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pal[c].peBlue =lpbi->bmiColors[c].rgbBlue;
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pal[c].peFlags=0;
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}
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lpddpal->lpvtbl->fnSetEntries(lpddpal,0,0,256,pal);
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lpddsurf->lpvtbl->fnSetPalette(lpddsurf,lpddpal);
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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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unsigned Pitch=(Width+3)&~3;
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LPSTR surf;
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if (lpddsurf->lpvtbl->fnLock(lpddsurf,NULL,&sdesc,0,0)) {
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ERR(ddraw,"could not lock surface!\n");
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return;
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}
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/* size in sdesc.dwHeight, sdesc.dwWidth, pitch in sdesc.lPitch, ptr in sdesc.y.lpSurface */
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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=(sdesc.dwWidth-Width)/2;
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Yofs=(sdesc.dwHeight-Height)/2;
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}
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surf=(LPSTR)sdesc.y.lpSurface + (Yofs*sdesc.lPitch)+Xofs;
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if (Pitch<0) lpBits-=Pitch*(Height-1);
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for (; Height; Height--,lpBits+=Pitch,surf+=sdesc.lPitch) {
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memcpy(surf,lpBits,Width);
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}
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lpddsurf->lpvtbl->fnUnlock(lpddsurf,sdesc.y.lpSurface);
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}
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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, /* DIB header with resolution and palette */
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LPSTR lpBits, /* Bitmap bits to show */
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WORD wFlags
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)
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{
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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(ddraw,"wait not implemented\n");
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}
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if (!dispdib_multi) DISPDIB_End();
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return DISPLAYDIB_NOERROR;
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}
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@ -6,6 +6,7 @@ comm.s
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commdlg.s
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compobj.s
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ddeml.s
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dispdib.s
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display.s
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gdi.s
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kernel.s
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@ -11,6 +11,7 @@ DLLS = \
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commdlg.spec \
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compobj.spec \
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ddeml.spec \
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dispdib.spec \
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display.spec \
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gdi.spec \
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kernel.spec \
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@ -51,6 +51,7 @@ extern const WIN16_DESCRIPTOR COMM_Descriptor;
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extern const WIN16_DESCRIPTOR COMMDLG_Descriptor;
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extern const WIN16_DESCRIPTOR COMPOBJ_Descriptor;
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extern const WIN16_DESCRIPTOR DDEML_Descriptor;
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extern const WIN16_DESCRIPTOR DISPDIB_Descriptor;
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extern const WIN16_DESCRIPTOR DISPLAY_Descriptor;
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extern const WIN16_DESCRIPTOR GDI_Descriptor;
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extern const WIN16_DESCRIPTOR KERNEL_Descriptor;
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@ -103,6 +104,7 @@ static BUILTIN16_DLL BuiltinDLLs[] =
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{ &COMMDLG_Descriptor, DLL_FLAG_NOT_USED },
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{ &COMPOBJ_Descriptor, DLL_FLAG_NOT_USED },
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{ &DDEML_Descriptor, DLL_FLAG_NOT_USED },
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{ &DISPDIB_Descriptor, 0 },
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{ &KEYBOARD_Descriptor, 0 },
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{ &COMM_Descriptor, 0 },
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{ &LZEXPAND_Descriptor, 0 },
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4
if1632/dispdib.spec
Normal file
4
if1632/dispdib.spec
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@ -0,0 +1,4 @@
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name dispdib
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type win16
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1 pascal16 DISPLAYDIB(ptr ptr word) DisplayDib
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33
include/dispdib.h
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33
include/dispdib.h
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@ -0,0 +1,33 @@
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/*
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* DISPDIB.dll
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*
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* Copyright 1998 Ove KÅven
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*
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*/
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#ifndef __WINE_DISPDIB_H
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#define __WINE_DISPDIB_H
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#include "wintypes.h"
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/* error codes */
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#define DISPLAYDIB_NOERROR 0x0000
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#define DISPLAYDIB_NOTSUPPORTED 0x0001
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#define DISPLAYDIB_INVALIDDIB 0x0002
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#define DISPLAYDIB_INVALIDFORMAT 0x0003
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#define DISPLAYDIB_INVALIDTASK 0x0004
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/* flags */
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#define DISPLAYDIB_NOPALETTE 0x0010
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#define DISPLAYDIB_NOCENTER 0x0020
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#define DISPLAYDIB_NOWAIT 0x0040
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#define DISPLAYDIB_BEGIN 0x8000
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#define DISPLAYDIB_END 0x4000
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#define DISPLAYDIB_MODE 0x000F /* mask */
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#define DISPLAYDIB_MODE_DEFAULT 0x0000
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#define DISPLAYDIB_MODE_320x200x8 0x0001
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#define DISPLAYDIB_MODE_320x240x8 0x0005
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WORD WINAPI DisplayDib( LPBITMAPINFO lpbi, LPSTR lpBits, WORD wFlags );
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#endif /* __WINE_DISPDIB_H */
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