From 99f51106cc60f5364cb89e19a5de3323d3718c14 Mon Sep 17 00:00:00 2001 From: Ove Kaaven Date: Sat, 24 Oct 1998 11:08:27 +0000 Subject: [PATCH] Implemented DisplayDib. --- graphics/Makefile.in | 1 + graphics/dispdib.c | 167 +++++++++++++++++++++++++++++++++++++++++++ if1632/.cvsignore | 1 + if1632/Makefile.in | 1 + if1632/builtin.c | 2 + if1632/dispdib.spec | 4 ++ include/dispdib.h | 33 +++++++++ 7 files changed, 209 insertions(+) create mode 100644 graphics/dispdib.c create mode 100644 if1632/dispdib.spec create mode 100644 include/dispdib.h diff --git a/graphics/Makefile.in b/graphics/Makefile.in index 5481fa5f196..58913cf66c0 100644 --- a/graphics/Makefile.in +++ b/graphics/Makefile.in @@ -9,6 +9,7 @@ C_SRCS = \ bitblt.c \ cache.c \ ddraw.c \ + dispdib.c \ driver.c \ env.c \ escape.c \ diff --git a/graphics/dispdib.c b/graphics/dispdib.c new file mode 100644 index 00000000000..b0779e8569d --- /dev/null +++ b/graphics/dispdib.c @@ -0,0 +1,167 @@ +/* + * DISPDIB.dll + * + * Copyright 1998 Ove Kåven (with some help from Marcus Meissner) + * + */ + +#include +#include "windows.h" +#include "dispdib.h" +#include "compobj.h" +#include "interfaces.h" +#include "ddraw.h" +#include "debug.h" + +static int dispdib_multi = 0; +static IDirectDraw *lpddraw = NULL; +static IDirectDrawSurface *lpddsurf; +static IDirectDrawPalette *lpddpal; +static DDSURFACEDESC sdesc; + +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; + } + if (!lpddraw) { + DirectDrawCreate(NULL,&lpddraw,NULL); + if (!lpddraw) { + ERR(ddraw,"DirectDraw is not available\n"); + return DISPLAYDIB_NOTSUPPORTED; + } + if (lpddraw->lpvtbl->fnSetDisplayMode(lpddraw,Xres,Yres,Depth)) { + ERR(ddraw,"DirectDraw does not support requested display mode\n"); + lpddraw->lpvtbl->fnRelease(lpddraw); + return DISPLAYDIB_NOTSUPPORTED; + } + lpddraw->lpvtbl->fnCreatePalette(lpddraw,0,NULL,&lpddpal,NULL); + memset(&sdesc,0,sizeof(sdesc)); + sdesc.dwSize=sizeof(sdesc); + lpddraw->lpvtbl->fnCreateSurface(lpddraw,&sdesc,&lpddsurf,NULL); + } + return DISPLAYDIB_NOERROR; +} + +static void DISPDIB_End(void) +{ + if (lpddraw) { + lpddsurf->lpvtbl->fnRelease(lpddsurf); + lpddraw->lpvtbl->fnRelease(lpddraw); + lpddraw=NULL; + } +} + +static void DISPDIB_Palette(LPBITMAPINFO lpbi) +{ + PALETTEENTRY pal[256]; + int c; + + for (c=0; c<256; c++) { + pal[c].peRed =lpbi->bmiColors[c].rgbRed; + pal[c].peGreen=lpbi->bmiColors[c].rgbGreen; + pal[c].peBlue =lpbi->bmiColors[c].rgbBlue; + pal[c].peFlags=0; + } + lpddpal->lpvtbl->fnSetEntries(lpddpal,0,0,256,pal); + lpddsurf->lpvtbl->fnSetPalette(lpddsurf,lpddpal); +} + +static void DISPDIB_Show(LPBITMAPINFOHEADER lpbi,LPSTR lpBits,WORD uFlags) +{ + int Xofs,Yofs,Width=lpbi->biWidth,Height=lpbi->biHeight,Delta; + unsigned Pitch=(Width+3)&~3; + LPSTR surf; + + if (lpddsurf->lpvtbl->fnLock(lpddsurf,NULL,&sdesc,0,0)) { + ERR(ddraw,"could not lock surface!\n"); + return; + } + /* size in sdesc.dwHeight, sdesc.dwWidth, pitch in sdesc.lPitch, ptr in sdesc.y.lpSurface */ + + Delta=(Height<0)*2-1; + Height*=-Delta; Pitch*=Delta; + + if (uFlags&DISPLAYDIB_NOCENTER) { + Xofs=0; Yofs=0; + } else { + Xofs=(sdesc.dwWidth-Width)/2; + Yofs=(sdesc.dwHeight-Height)/2; + } + surf=(LPSTR)sdesc.y.lpSurface + (Yofs*sdesc.lPitch)+Xofs; + if (Pitch<0) lpBits-=Pitch*(Height-1); + for (; Height; Height--,lpBits+=Pitch,surf+=sdesc.lPitch) { + memcpy(surf,lpBits,Width); + } + + lpddsurf->lpvtbl->fnUnlock(lpddsurf,sdesc.y.lpSurface); +} + +/********************************************************************* + * 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, /* DIB header with resolution and palette */ + LPSTR lpBits, /* Bitmap bits to show */ + WORD wFlags + ) +{ + 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(ddraw,"wait not implemented\n"); + } + if (!dispdib_multi) DISPDIB_End(); + return DISPLAYDIB_NOERROR; +} diff --git a/if1632/.cvsignore b/if1632/.cvsignore index 15772d4733a..42b069c164b 100644 --- a/if1632/.cvsignore +++ b/if1632/.cvsignore @@ -6,6 +6,7 @@ comm.s commdlg.s compobj.s ddeml.s +dispdib.s display.s gdi.s kernel.s diff --git a/if1632/Makefile.in b/if1632/Makefile.in index 728a8f31b66..5552ef01c29 100644 --- a/if1632/Makefile.in +++ b/if1632/Makefile.in @@ -11,6 +11,7 @@ DLLS = \ commdlg.spec \ compobj.spec \ ddeml.spec \ + dispdib.spec \ display.spec \ gdi.spec \ kernel.spec \ diff --git a/if1632/builtin.c b/if1632/builtin.c index e19d21074fa..af3996b4c6e 100644 --- a/if1632/builtin.c +++ b/if1632/builtin.c @@ -51,6 +51,7 @@ extern const WIN16_DESCRIPTOR COMM_Descriptor; extern const WIN16_DESCRIPTOR COMMDLG_Descriptor; extern const WIN16_DESCRIPTOR COMPOBJ_Descriptor; extern const WIN16_DESCRIPTOR DDEML_Descriptor; +extern const WIN16_DESCRIPTOR DISPDIB_Descriptor; extern const WIN16_DESCRIPTOR DISPLAY_Descriptor; extern const WIN16_DESCRIPTOR GDI_Descriptor; extern const WIN16_DESCRIPTOR KERNEL_Descriptor; @@ -103,6 +104,7 @@ static BUILTIN16_DLL BuiltinDLLs[] = { &COMMDLG_Descriptor, DLL_FLAG_NOT_USED }, { &COMPOBJ_Descriptor, DLL_FLAG_NOT_USED }, { &DDEML_Descriptor, DLL_FLAG_NOT_USED }, + { &DISPDIB_Descriptor, 0 }, { &KEYBOARD_Descriptor, 0 }, { &COMM_Descriptor, 0 }, { &LZEXPAND_Descriptor, 0 }, diff --git a/if1632/dispdib.spec b/if1632/dispdib.spec new file mode 100644 index 00000000000..a9b6f8d0ee3 --- /dev/null +++ b/if1632/dispdib.spec @@ -0,0 +1,4 @@ +name dispdib +type win16 + + 1 pascal16 DISPLAYDIB(ptr ptr word) DisplayDib diff --git a/include/dispdib.h b/include/dispdib.h new file mode 100644 index 00000000000..72e5d87aaae --- /dev/null +++ b/include/dispdib.h @@ -0,0 +1,33 @@ +/* + * DISPDIB.dll + * + * Copyright 1998 Ove KÅven + * + */ + +#ifndef __WINE_DISPDIB_H +#define __WINE_DISPDIB_H + +#include "wintypes.h" + +/* error codes */ +#define DISPLAYDIB_NOERROR 0x0000 +#define DISPLAYDIB_NOTSUPPORTED 0x0001 +#define DISPLAYDIB_INVALIDDIB 0x0002 +#define DISPLAYDIB_INVALIDFORMAT 0x0003 +#define DISPLAYDIB_INVALIDTASK 0x0004 + +/* flags */ +#define DISPLAYDIB_NOPALETTE 0x0010 +#define DISPLAYDIB_NOCENTER 0x0020 +#define DISPLAYDIB_NOWAIT 0x0040 +#define DISPLAYDIB_BEGIN 0x8000 +#define DISPLAYDIB_END 0x4000 +#define DISPLAYDIB_MODE 0x000F /* mask */ +#define DISPLAYDIB_MODE_DEFAULT 0x0000 +#define DISPLAYDIB_MODE_320x200x8 0x0001 +#define DISPLAYDIB_MODE_320x240x8 0x0005 + +WORD WINAPI DisplayDib( LPBITMAPINFO lpbi, LPSTR lpBits, WORD wFlags ); + +#endif /* __WINE_DISPDIB_H */