graphics/metafiledrv/text.c

   1 /*
   2  * metafile driver text functions
   3  *
   4  * Copyright 1993, 1994 Alexandre Julliard
   5  *
   6  */
   7
   8 #include <string.h>
   9
  10 #include "windef.h"
  11 #include "metafiledrv.h"
  12 #include "debugtools.h"
  13 #include "heap.h"
  14
  15 DEFAULT_DEBUG_CHANNEL(metafile)
  16
  17
  18 /******************************************************************
  19  *         MFDRV_MetaExtTextOut
  20  */
  21 static BOOL MFDRV_MetaExtTextOut(DC*dc, short x, short y, UINT16 flags,
  22                                  const RECT16 *rect, LPCSTR str, short count,
  23                                  const INT16 *lpDx)
  24 {
  25     BOOL ret;
  26     DWORD len;
  27     METARECORD *mr;
  28
  29     if((!flags && rect) || (flags && !rect))
  30         WARN("Inconsistent flags and rect\n");
  31     len = sizeof(METARECORD) + (((count + 1) >> 1) * 2) + 2 * sizeof(short)
  32             + sizeof(UINT16);
  33     if(rect)
  34         len += sizeof(RECT16);
  35     if (lpDx)
  36      len+=count*sizeof(INT16);
  37     if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len)))
  38         return FALSE;
  39
  40     mr->rdSize = len / 2;
  41     mr->rdFunction = META_EXTTEXTOUT;
  42     *(mr->rdParm) = y;
  43     *(mr->rdParm + 1) = x;
  44     *(mr->rdParm + 2) = count;
  45     *(mr->rdParm + 3) = flags;
  46     if (rect) memcpy(mr->rdParm + 4, rect, sizeof(RECT16));
  47     memcpy(mr->rdParm + (rect ? 8 : 4), str, count);
  48     if (lpDx)
  49      memcpy(mr->rdParm + (rect ? 8 : 4) + ((count + 1) >> 1),lpDx,
  50       count*sizeof(INT16));
  51     ret = MFDRV_WriteRecord( dc, mr, mr->rdSize * 2);
  52     HeapFree( GetProcessHeap(), 0, mr);
  53     return ret;
  54 }
  55
  56
  57
  58 /***********************************************************************
  59  *           MFDRV_ExtTextOut
  60  */
  61 BOOL
  62 MFDRV_ExtTextOut( DC *dc, INT x, INT y, UINT flags,
  63                   const RECT *lprect, LPCWSTR str, UINT count,
  64                   const INT *lpDx )
  65 {
  66     RECT16      rect16;
  67     LPINT16     lpdx16 = NULL;
  68     BOOL        ret;
  69     int         i;
  70     LPSTR       ascii;
  71
  72     if(lpDx)
  73         lpdx16 = HeapAlloc( GetProcessHeap(), 0, sizeof(INT16)*count );
  74     if (lprect) CONV_RECT32TO16(lprect,&rect16);
  75     if (lpdx16)
  76         for (i=count;i--;)
  77             lpdx16[i]=lpDx[i];
  78     ascii = HeapAlloc( GetProcessHeap(), 0, count+1 );
  79     lstrcpynWtoA(ascii, str, count+1);
  80     ret = MFDRV_MetaExtTextOut(dc,x,y,flags,lprect?&rect16:NULL,ascii,count,
  81                                lpdx16);
  82     HeapFree( GetProcessHeap(), 0, ascii );
  83     if (lpdx16) HeapFree( GetProcessHeap(), 0, lpdx16 );
  84     return ret;
  85 }
  86
  87
  88