graphics/metafiledrv/text.c

   1 /*
   2  * metafile driver text functions
   3  *
   4  * Copyright 1993, 1994 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <string.h>
  22
  23 #include "windef.h"
  24 #include "metafiledrv.h"
  25 #include "wine/debug.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(metafile);
  28
  29
  30 /******************************************************************
  31  *         MFDRV_MetaExtTextOut
  32  */
  33 static BOOL MFDRV_MetaExtTextOut(DC*dc, short x, short y, UINT16 flags,
  34                                  const RECT16 *rect, LPCSTR str, short count,
  35                                  const INT16 *lpDx)
  36 {
  37     BOOL ret;
  38     DWORD len;
  39     METARECORD *mr;
  40
  41     if((!flags && rect) || (flags && !rect))
  42         WARN("Inconsistent flags and rect\n");
  43     len = sizeof(METARECORD) + (((count + 1) >> 1) * 2) + 2 * sizeof(short)
  44             + sizeof(UINT16);
  45     if(rect)
  46         len += sizeof(RECT16);
  47     if (lpDx)
  48      len+=count*sizeof(INT16);
  49     if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len)))
  50         return FALSE;
  51
  52     mr->rdSize = len / 2;
  53     mr->rdFunction = META_EXTTEXTOUT;
  54     *(mr->rdParm) = y;
  55     *(mr->rdParm + 1) = x;
  56     *(mr->rdParm + 2) = count;
  57     *(mr->rdParm + 3) = flags;
  58     if (rect) memcpy(mr->rdParm + 4, rect, sizeof(RECT16));
  59     memcpy(mr->rdParm + (rect ? 8 : 4), str, count);
  60     if (lpDx)
  61      memcpy(mr->rdParm + (rect ? 8 : 4) + ((count + 1) >> 1),lpDx,
  62       count*sizeof(INT16));
  63     ret = MFDRV_WriteRecord( dc, mr, mr->rdSize * 2);
  64     HeapFree( GetProcessHeap(), 0, mr);
  65     return ret;
  66 }
  67
  68
  69
  70 /***********************************************************************
  71  *           MFDRV_ExtTextOut
  72  */
  73 BOOL
  74 MFDRV_ExtTextOut( DC *dc, INT x, INT y, UINT flags,
  75                   const RECT *lprect, LPCWSTR str, UINT count,
  76                   const INT *lpDx )
  77 {
  78     RECT16      rect16;
  79     LPINT16     lpdx16 = NULL;
  80     BOOL        ret;
  81     int         i;
  82     LPSTR       ascii;
  83     DWORD len;
  84
  85     if(lpDx)
  86         lpdx16 = HeapAlloc( GetProcessHeap(), 0, sizeof(INT16)*count );
  87     if (lprect) CONV_RECT32TO16(lprect,&rect16);
  88     if (lpdx16)
  89         for (i=count;i--;)
  90             lpdx16[i]=lpDx[i];
  91     len = WideCharToMultiByte( CP_ACP, 0, str, count, NULL, 0, NULL, NULL );
  92     ascii = HeapAlloc( GetProcessHeap(), 0, len );
  93     WideCharToMultiByte( CP_ACP, 0, str, count, ascii, len, NULL, NULL );
  94     ret = MFDRV_MetaExtTextOut(dc,x,y,flags,lprect?&rect16:NULL,ascii,len,
  95                                lpdx16);
  96     HeapFree( GetProcessHeap(), 0, ascii );
  97     if (lpdx16) HeapFree( GetProcessHeap(), 0, lpdx16 );
  98     return ret;
  99 }
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