281 lines
8.0 KiB
C
281 lines
8.0 KiB
C
/*
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* WingG support
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*
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* Started by Robert Pouliot <krynos@clic.net>
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*/
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#include <X11/Xlib.h>
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#include <X11/extensions/XShm.h>
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#include <sys/types.h>
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#include <sys/ipc.h>
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#ifndef __EMX__
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#include <sys/shm.h>
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#endif
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#include "windows.h"
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#include "bitmap.h"
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#include "dc.h"
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#include "gdi.h"
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#include "xmalloc.h"
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#include "stddebug.h"
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#include "debug.h"
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extern void CLIPPING_UpdateGCRegion(DC* );
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typedef enum WING_DITHER_TYPE
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{
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WING_DISPERSED_4x4, WING_DISPERSED_8x8, WING_CLUSTERED_4x4
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} WING_DITHER_TYPE;
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static int __WinGOK = -1;
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/*
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* WinG DIB bitmaps can be selected into DC and then scribbled upon
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* by GDI functions. They can also be changed directly. This gives us
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* three choices
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* - use original WinG 16-bit DLL
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* requires working 16-bit driver interface
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* - implement DIB graphics driver from scratch
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* see wing.zip size
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* - use shared pixmaps
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* won't work with some videocards and/or videomodes
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* 961208 - AK
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*/
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static BITMAPINFOHEADER __bmpiWinG = { 0, 1, -1, 1, 8, BI_RGB, 1, 0, 0, 0, 0 };
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static void __initWinG()
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{
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if( __WinGOK < 0 )
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{
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Status s = XShmQueryExtension(display);
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if( s )
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{
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int i = XShmPixmapFormat(display);
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if( i == ZPixmap && screenDepth == 8 )
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{
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__WinGOK = True;
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return;
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}
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}
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fprintf(stdnimp,"WinG: no joy.\n");
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__WinGOK = False;
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}
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}
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/***********************************************************************
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* WinGCreateDC16 (WING.1001)
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*/
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HDC16 WinGCreateDC16(void)
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{
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__initWinG();
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if( __WinGOK > 0 )
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return CreateCompatibleDC16(NULL);
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return (HDC16)NULL;
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}
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/***********************************************************************
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* WinGRecommendDIBFormat16 (WING.1002)
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*/
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BOOL16 WinGRecommendDIBFormat16(BITMAPINFO *fmt)
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{
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fprintf(stdnimp,"WinGRecommendDIBFormat()\n");
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if( __WinGOK > 0 && fmt )
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{
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memcpy(&fmt->bmiHeader, &__bmpiWinG, sizeof(BITMAPINFOHEADER));
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return TRUE;
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}
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return FALSE;
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}
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/***********************************************************************
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* WinGCreateBitmap16 (WING.1003)
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*/
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HBITMAP16 WinGCreateBitmap16(HDC16 winDC, BITMAPINFO *header, void **bits)
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{
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fprintf(stdnimp,"WinGCreateBitmap: empty stub! (expect failure)\n");
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if( __WinGOK > 0 && header )
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{
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BITMAPINFOHEADER* bmpi = &header->bmiHeader;
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fprintf(stdnimp,"bytes\t=%i\nplanes\t=%i\nbpp\t=%i\nx\t=%i\ny\t=%i\nrle\t=0x%08x\nsize\t=%i\n",
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(int)bmpi->biSize, bmpi->biPlanes, bmpi->biBitCount,
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(int)bmpi->biWidth, (int)bmpi->biHeight, (unsigned)bmpi->biCompression, (int)bmpi->biSizeImage);
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#ifdef PRELIMINARY_WING16_SUPPORT
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if( bmpi->biPlanes == __bmpiWinG.biPlanes && bmpi->biBitCount == __bmpiWinG.biBitCount &&
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bmpi->biCompression == __bmpiWinG.biCompression && (int)bmpi->biHeight < 0 &&
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bmpi->biWidth )
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{
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unsigned bytes = (bmpi->biWidth + bmpi->biWidth % 2)*(-bmpi->biHeight) * bmpi->biBitCount/8;
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int key = shmget(IPC_PRIVATE, bytes, IPC_CREAT | 0x01FF);
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if( key )
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{
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/* Create the BITMAPOBJ
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*
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* FIXME: A facility to manage shared memory structures
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* which would clean up when Wine crashes. Perhaps a part of
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* IPC code can be adapted. Otherwise this code leaves a lot
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* of junk in shared memory.
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*/
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HBITMAP16 hbitmap = GDI_AllocObject( sizeof(BITMAPOBJ), BITMAP_MAGIC );
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if (hbitmap)
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{
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__ShmBitmapCtl* p = (__ShmBitmapCtl*)xmalloc(sizeof(__ShmBitmapCtl));
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BITMAPOBJ* bmpObjPtr = (BITMAPOBJ *) GDI_HEAP_LIN_ADDR( hbitmap );
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bmpObjPtr->size.cx = 0;
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bmpObjPtr->size.cy = 0;
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bmpObjPtr->bitmap.bmType = 0;
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bmpObjPtr->bitmap.bmWidth = (INT16)abs(bmpi->biWidth);
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bmpObjPtr->bitmap.bmHeight = -(INT16)bmpi->biHeight;
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bmpObjPtr->bitmap.bmPlanes = (BYTE)bmpi->biPlanes;
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bmpObjPtr->bitmap.bmBitsPixel = (BYTE)bmpi->biBitCount;
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bmpObjPtr->bitmap.bmWidthBytes =
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(INT16)BITMAP_WIDTH_BYTES( bmpObjPtr->bitmap.bmWidth, bmpi->biBitCount );
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bmpObjPtr->bitmap.bmBits = (SEGPTR)p;
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p->si.shmid = key;
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p->si.shmaddr = shmat(key, NULL, 0);
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p->si.readOnly = False;
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if( p->si.shmaddr )
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{
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WORD sel = 0;
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XShmAttach(display, &p->si);
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bmpObjPtr->pixmap = XShmCreatePixmap(display, rootWindow,
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p->si.shmaddr, &p->si, bmpObjPtr->bitmap.bmWidth,
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bmpObjPtr->bitmap.bmHeight, bmpi->biBitCount );
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if( bmpObjPtr->pixmap )
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{
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sel = SELECTOR_AllocBlock( p->si.shmaddr, bytes,
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SEGMENT_DATA, FALSE, FALSE);
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if (sel) p->bits = PTR_SEG_OFF_TO_SEGPTR(sel,0);
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else XFreePixmap( display, bmpObjPtr->pixmap );
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}
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if( !sel )
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{
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shmdt( p->si.shmaddr );
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p->si.shmaddr = NULL;
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}
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}
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if( !p->si.shmaddr )
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{
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GDI_FreeObject( hbitmap );
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hbitmap = 0;
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}
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}
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return hbitmap;
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}
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}
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#endif
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}
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return 0;
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}
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/***********************************************************************
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* WinGGetDIBPointer (WING.1004)
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*/
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SEGPTR WinGGetDIBPointer16(HBITMAP16 hWinGBitmap, BITMAPINFO* bmpi)
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{
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#ifdef PRELIMINARY_WING16_SUPPORT
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BITMAPOBJ* bmp = (BITMAPOBJ *) GDI_GetObjPtr( hWinGBitmap, BITMAP_MAGIC );
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if( bmp )
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{
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__ShmBitmapCtl* p = (__ShmBitmapCtl*)bmp->bitmap.bmBits;
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if( p )
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{
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if( bmpi ) memcpy( bmpi, &__bmpiWinG, sizeof(BITMAPINFOHEADER));
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return p->bits;
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}
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}
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#endif
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return (SEGPTR)NULL;
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}
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/***********************************************************************
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* WinGSetDIBColorTable (WING.1004)
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*/
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UINT16 WinGSetDIBColorTable16(HDC16 hWinGDC, UINT16 start, UINT16 num, RGBQUAD* pColor)
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{
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fprintf(stdnimp,"WinGSetDIBColorTable: empty stub!\n");
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return num;
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}
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/***********************************************************************
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* WinGGetDIBColorTable16 (WING.1005)
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*/
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UINT16 WinGGetDIBColorTable16(HDC16 winDC, UINT16 start, UINT16 numentry,
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RGBQUAD* colors)
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{
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fprintf(stdnimp,"WinGGetDIBColorTable: empty stub!\n");
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return 0;
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}
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/***********************************************************************
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* WinGCreateHalfTonePalette16 (WING.1007)
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*/
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HPALETTE16 WinGCreateHalfTonePalette16(void)
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{
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fprintf(stdnimp,"WinGCreateHalfTonePalette: empty stub!\n");
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return 0;
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}
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/***********************************************************************
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* WinGCreateHalfToneBrush16 (WING.1008)
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*/
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HPALETTE16 WinGCreateHalfToneBrush16(HDC16 winDC, COLORREF col, WING_DITHER_TYPE type)
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{
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fprintf(stdnimp,"WinGCreateHalfToneBrush: empty stub!\n");
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return 0;
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}
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/***********************************************************************
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* WinGStretchBlt16 (WING.1009)
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*/
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BOOL16 WinGStretchBlt16(HDC16 destDC, INT16 xDest, INT16 yDest, INT16 widDest,
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INT16 heiDest, HDC16 srcDC, INT16 xSrc, INT16 ySrc,
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INT16 widSrc, INT16 heiSrc)
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{
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return StretchBlt16(destDC, xDest, yDest, widDest, heiDest, srcDC, xSrc, ySrc, widSrc, heiSrc, SRCCOPY);
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/* fprintf(stdnimp,"WinGStretchBlt16: empty stub!\n");*/
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/* return 0; */
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}
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/***********************************************************************
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* WinGBitBlt16 (WING.1010)
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*/
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BOOL16 WinGBitBlt16(HDC16 destDC, INT16 xDest, INT16 yDest, INT16 widDest,
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INT16 heiDest, HDC16 srcDC, INT16 xSrc, INT16 ySrc)
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{
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/* destDC is a display DC, srcDC is a memory DC */
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DC *dcDst, *dcSrc;
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if (!(dcDst = (DC *)GDI_GetObjPtr( destDC, DC_MAGIC ))) return FALSE;
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if (!(dcSrc = (DC *) GDI_GetObjPtr( srcDC, DC_MAGIC ))) return FALSE;
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if (dcDst->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion( dcDst );
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xSrc = dcSrc->w.DCOrgX + XLPTODP( dcSrc, xSrc );
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ySrc = dcSrc->w.DCOrgY + YLPTODP( dcSrc, ySrc );
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xDest = dcDst->w.DCOrgX + XLPTODP( dcDst, xDest );
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yDest = dcDst->w.DCOrgY + YLPTODP( dcDst, yDest );
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widDest = widDest * dcDst->vportExtX / dcDst->wndExtX;
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heiDest = heiDest * dcDst->vportExtY / dcDst->wndExtY;
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XSetFunction( display, dcDst->u.x.gc, GXcopy );
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XCopyArea( display, dcSrc->u.x.drawable,
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dcDst->u.x.drawable, dcDst->u.x.gc,
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xSrc, ySrc, widDest, heiDest, xDest, yDest );
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return TRUE;
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}
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