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Sweden-Number/graphics/wing.c

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/*
* WinG support
*
* Started by Robert Pouliot <krynos@clic.net>
*/
#include "config.h"
#include "ts_xlib.h"
#ifdef HAVE_LIBXXSHM
#include <sys/types.h>
#include <sys/ipc.h>
#ifndef __EMX__
#include <sys/shm.h>
#endif /* !defined(__EMX__) */
#include "ts_xshm.h"
#endif /* defined(HAVE_LIBXXSHM) */
#include "x11drv.h"
#include "bitmap.h"
#include "dc.h"
#include "debug.h"
#include "gdi.h"
#include "monitor.h"
#include "wintypes.h"
#include "xmalloc.h"
typedef enum WING_DITHER_TYPE
{
WING_DISPERSED_4x4, WING_DISPERSED_8x8, WING_CLUSTERED_4x4
} WING_DITHER_TYPE;
static int __WinGOK = -1;
/*
* WinG DIB bitmaps can be selected into DC and then scribbled upon
* by GDI functions. They can also be changed directly. This gives us
* three choices
* - use original WinG 16-bit DLL
* requires working 16-bit driver interface
* - implement DIB graphics driver from scratch
* see wing.zip size
* - use shared pixmaps
* won't work with some videocards and/or videomodes
* 961208 - AK
*/
static BITMAPINFOHEADER __bmpiWinG = { 0, 1, -1, 1, 8, BI_RGB, 1, 0, 0, 0, 0 };
static void __initWinG(void)
{
if( __WinGOK < 0 )
{
#ifdef HAVE_LIBXXSHM
Status s = TSXShmQueryExtension(display);
if( s )
{
int i = TSXShmPixmapFormat(display);
if( i == ZPixmap && MONITOR_GetDepth(&MONITOR_PrimaryMonitor) == 8 )
{
__WinGOK = 1;
return;
}
}
#endif /* defined(HAVE_LIBXXSHM) */
FIXME(wing,"WinG: incorrect depth or unsupported card.\n");
__WinGOK = 0;
}
}
/***********************************************************************
* WinGCreateDC16 (WING.1001)
*/
HDC16 WINAPI WinGCreateDC16(void)
{
__initWinG();
if( __WinGOK > 0 )
return CreateCompatibleDC16(0);
return (HDC16)NULL;
}
/***********************************************************************
* WinGRecommendDIBFormat16 (WING.1002)
*/
BOOL16 WINAPI WinGRecommendDIBFormat16(BITMAPINFO *fmt)
{
FIXME(wing,"(%p): stub\n", fmt);
if( __WinGOK > 0 && fmt )
{
memcpy(&fmt->bmiHeader, &__bmpiWinG, sizeof(BITMAPINFOHEADER));
return TRUE;
}
return FALSE;
}
/***********************************************************************
* WinGCreateBitmap16 (WING.1003)
*/
HBITMAP16 WINAPI WinGCreateBitmap16(HDC16 winDC, BITMAPINFO *header,
void **bits)
{
FIXME(wing,"(%x,%p,%p): empty stub! (expect failure)\n",
winDC, header, bits);
if( __WinGOK > 0 && header )
{
BITMAPINFOHEADER* bmpi = &header->bmiHeader;
FIXME(wing,"bytes=%i,planes=%i,bpp=%i,x=%i,y=%i,rle=0x%08x,size=%i\n",
(int)bmpi->biSize, bmpi->biPlanes, bmpi->biBitCount,
(int)bmpi->biWidth, (int)bmpi->biHeight,
(unsigned)bmpi->biCompression, (int)bmpi->biSizeImage);
#ifdef PRELIMINARY_WING16_SUPPORT
if( bmpi->biPlanes == __bmpiWinG.biPlanes && bmpi->biBitCount == __bmpiWinG.biBitCount &&
bmpi->biCompression == __bmpiWinG.biCompression && (int)bmpi->biHeight < 0 &&
bmpi->biWidth )
{
unsigned bytes = (bmpi->biWidth + bmpi->biWidth % 2)*(-bmpi->biHeight) * bmpi->biBitCount/8;
int key = shmget(IPC_PRIVATE, bytes, IPC_CREAT | 0x01FF);
if( key )
{
/* Create the BITMAPOBJ
*
* FIXME: A facility to manage shared memory structures
* which would clean up when Wine crashes. Perhaps a part of
* IPC code can be adapted. Otherwise this code leaves a lot
* of junk in shared memory.
*/
HBITMAP16 hbitmap = GDI_AllocObject( sizeof(BITMAPOBJ), BITMAP_MAGIC );
if (hbitmap)
{
#ifdef HAVE_LIBXXSHM
__ShmBitmapCtl* p = (__ShmBitmapCtl*)xmalloc(sizeof(__ShmBitmapCtl));
#endif /* defined(HAVE_LIBXXSHM) */
BITMAPOBJ* bmpObjPtr = (BITMAPOBJ *) GDI_HEAP_LOCK( hbitmap );
bmpObjPtr->size.cx = 0;
bmpObjPtr->size.cy = 0;
bmpObjPtr->bitmap.bmType = 0;
bmpObjPtr->bitmap.bmWidth = (INT16)abs(bmpi->biWidth);
bmpObjPtr->bitmap.bmHeight = -(INT16)bmpi->biHeight;
bmpObjPtr->bitmap.bmPlanes = (BYTE)bmpi->biPlanes;
bmpObjPtr->bitmap.bmBitsPixel = (BYTE)bmpi->biBitCount;
bmpObjPtr->bitmap.bmWidthBytes =
(INT16)BITMAP_WIDTH_BYTES( bmpObjPtr->bitmap.bmWidth, bmpi->biBitCount );
#ifdef HAVE_LIBXXSHM
bmpObjPtr->bitmap.bmBits = (SEGPTR)p;
p->si.shmid = key;
p->si.shmaddr = shmat(key, NULL, 0);
p->si.readOnly = False;
if( p->si.shmaddr )
{
WORD sel = 0;
TSXShmAttach(display, &p->si);
bmpObjPtr->pixmap = TSXShmCreatePixmap(display, rootWindow,
p->si.shmaddr, &p->si, bmpObjPtr->bitmap.bmWidth,
bmpObjPtr->bitmap.bmHeight, bmpi->biBitCount );
if( bmpObjPtr->pixmap )
{
sel = SELECTOR_AllocBlock( p->si.shmaddr, bytes,
SEGMENT_DATA, FALSE, FALSE);
if (sel) p->bits = PTR_SEG_OFF_TO_SEGPTR(sel,0);
else TSXFreePixmap( display, bmpObjPtr->pixmap );
}
if( !sel )
{
shmdt( p->si.shmaddr );
p->si.shmaddr = NULL;
}
}
if( !p->si.shmaddr )
{
GDI_FreeObject( hbitmap );
hbitmap = 0;
}
#else /* defined(HAVE_LIBXXSHM) */
bmpObjPtr->bitmap.bmBits = (SEGPTR) NULL;
bmpObjPtr->pixmap = NULL;
#endif /* defined(HAVE_LIBXXSHM) */
}
GDI_HEAP_UNLOCK( hbitmap );
return hbitmap;
}
}
#endif /* defined(PRELIMINARY_WING16_SUPPORT) */
}
return 0;
}
/***********************************************************************
* WinGGetDIBPointer (WING.1004)
*/
SEGPTR WINAPI WinGGetDIBPointer16(HBITMAP16 hWinGBitmap, BITMAPINFO* bmpi)
{
#ifdef PRELIMINARY_WING16_SUPPORT
#ifdef HAVE_LIBXXSHM
BITMAPOBJ* bmp = (BITMAPOBJ *) GDI_GetObjPtr( hWinGBitmap, BITMAP_MAGIC );
if( bmp )
{
__ShmBitmapCtl* p = (__ShmBitmapCtl*)bmp->bitmap.bmBits;
if( p )
{
if( bmpi ) memcpy( bmpi, &__bmpiWinG, sizeof(BITMAPINFOHEADER));
GDI_HEAP_UNLOCK( hWinGBitmap );
return p->bits;
}
}
#endif /* defined(HAVE_LIBXXSHM) */
#endif /* defined(PRELIMINARY_WING16_SUPPORT) */
return (SEGPTR)NULL;
}
/***********************************************************************
* WinGSetDIBColorTable (WING.1004)
*/
UINT16 WINAPI WinGSetDIBColorTable16(HDC16 hWinGDC, UINT16 start, UINT16 num,
RGBQUAD* pColor)
{
FIXME(wing,"(%x,%d,%d,%p): empty stub!\n",hWinGDC,start,num,pColor);
return num;
}
/***********************************************************************
* WinGGetDIBColorTable16 (WING.1005)
*/
UINT16 WINAPI WinGGetDIBColorTable16(HDC16 winDC, UINT16 start,
UINT16 num, RGBQUAD* colors)
{
FIXME(wing,"(%x,%d,%d,%p): empty stub!\n",winDC,start,num,colors);
return 0;
}
/***********************************************************************
* WinGCreateHalfTonePalette16 (WING.1007)
*/
HPALETTE16 WINAPI WinGCreateHalfTonePalette16(void)
{
FIXME(wing,"(void): empty stub!\n");
return 0;
}
/***********************************************************************
* WinGCreateHalfToneBrush16 (WING.1008)
*/
HPALETTE16 WINAPI WinGCreateHalfToneBrush16(HDC16 winDC, COLORREF col,
WING_DITHER_TYPE type)
{
FIXME(wing,"(...): empty stub!\n");
return 0;
}
/***********************************************************************
* WinGStretchBlt16 (WING.1009)
*/
BOOL16 WINAPI WinGStretchBlt16(HDC16 destDC, INT16 xDest, INT16 yDest,
INT16 widDest, INT16 heiDest,
HDC16 srcDC, INT16 xSrc, INT16 ySrc,
INT16 widSrc, INT16 heiSrc)
{
return StretchBlt16(destDC, xDest, yDest, widDest, heiDest, srcDC, xSrc, ySrc, widSrc, heiSrc, SRCCOPY);
}
/***********************************************************************
* WinGBitBlt16 (WING.1010)
*/
BOOL16 WINAPI WinGBitBlt16(HDC16 destDC, INT16 xDest, INT16 yDest,
INT16 widDest, INT16 heiDest, HDC16 srcDC,
INT16 xSrc, INT16 ySrc)
{
/* destDC is a display DC, srcDC is a memory DC */
DC *dcDst, *dcSrc;
X11DRV_PDEVICE *physDevDst, *physDevSrc;
if (!(dcDst = (DC *)GDI_GetObjPtr( destDC, DC_MAGIC ))) return FALSE;
if (!(dcSrc = (DC *) GDI_GetObjPtr( srcDC, DC_MAGIC ))) return FALSE;
physDevDst = (X11DRV_PDEVICE *)dcDst->physDev;
physDevSrc = (X11DRV_PDEVICE *)dcSrc->physDev;
if (dcDst->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion( dcDst );
xSrc = dcSrc->w.DCOrgX + XLPTODP( dcSrc, xSrc );
ySrc = dcSrc->w.DCOrgY + YLPTODP( dcSrc, ySrc );
xDest = dcDst->w.DCOrgX + XLPTODP( dcDst, xDest );
yDest = dcDst->w.DCOrgY + YLPTODP( dcDst, yDest );
widDest = widDest * dcDst->vportExtX / dcDst->wndExtX;
heiDest = heiDest * dcDst->vportExtY / dcDst->wndExtY;
TSXSetFunction( display, physDevDst->gc, GXcopy );
TSXCopyArea( display, physDevSrc->drawable,
physDevDst->drawable, physDevDst->gc,
xSrc, ySrc, widDest, heiDest, xDest, yDest );
return TRUE;
}
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