graphics/psdrv/text.c

   1 /*
   2  *      PostScript driver text functions
   3  *
   4  *      Copyright 1998  Huw D M Davies
   5  *
   6  */
   7 #include <string.h>
   8 #include "windows.h"
   9 #include "psdrv.h"
  10 #include "debug.h"
  11 #include "print.h"
  12
  13 /***********************************************************************
  14  *           PSDRV_ExtTextOut
  15  */
  16 BOOL32 PSDRV_ExtTextOut( DC *dc, INT32 x, INT32 y, UINT32 flags,
  17                    const RECT32 *lprect, LPCSTR str, UINT32 count,
  18                    const INT32 *lpDx )
  19 {
  20     PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
  21     char *strbuf;
  22     SIZE32 sz;
  23
  24     TRACE(psdrv, "(x=%d, y=%d, flags=0x%08x, str='%s', count=%d)\n", x, y,
  25           flags, str, count);
  26
  27     strbuf = (char *)HeapAlloc( PSDRV_Heap, 0, count + 1);
  28     if(!strbuf) {
  29         WARN(psdrv, "HeapAlloc failed\n");
  30         return FALSE;
  31     }
  32
  33     if(dc->w.textAlign & TA_UPDATECP) {
  34         x = dc->w.CursPosX;
  35         y = dc->w.CursPosY;
  36     }
  37
  38     x = XLPTODP(dc, x);
  39     y = YLPTODP(dc, y);
  40
  41     GetTextExtentPoint32A(dc->hSelf, str, count, &sz);
  42     sz.cx = XLSTODS(dc, sz.cx);
  43     sz.cy = YLSTODS(dc, sz.cy);
  44
  45     switch(dc->w.textAlign & (TA_LEFT | TA_CENTER | TA_RIGHT) ) {
  46     case TA_LEFT:
  47         if(dc->w.textAlign & TA_UPDATECP)
  48             dc->w.CursPosX = XDPTOLP(dc, x + sz.cx);
  49         break;
  50
  51     case TA_CENTER:
  52         x -= sz.cx/2;
  53         break;
  54
  55     case TA_RIGHT:
  56         x -= sz.cx;
  57         if(dc->w.textAlign & TA_UPDATECP)
  58             dc->w.CursPosX = XDPTOLP(dc, x);
  59         break;
  60     }
  61
  62     switch(dc->w.textAlign & (TA_TOP | TA_BASELINE | TA_BOTTOM) ) {
  63     case TA_TOP:
  64         y += physDev->font.tm.tmAscent;
  65         break;
  66
  67     case TA_BASELINE:
  68         break;
  69
  70     case TA_BOTTOM:
  71         y -= physDev->font.tm.tmDescent;
  72         break;
  73     }
  74
  75     memcpy(strbuf, str, count);
  76     *(strbuf + count) = '\0';
  77
  78     PSDRV_SetFont(dc);
  79
  80     PSDRV_WriteMoveTo(dc, x, y);
  81     PSDRV_WriteShow(dc, strbuf, strlen(strbuf));
  82
  83     HeapFree(PSDRV_Heap, 0, strbuf);
  84     return TRUE;
  85 }