graphics/win16drv/text.c

   1 /*
   2  * win16 driver text functions
   3  *
   4  * Copyright 1996 John Harvey
   5  *           1998 Huw Davies
   6  */
   7
   8 #include <stdlib.h>
   9 #include "windows.h"
  10 #include "win16drv.h"
  11 #include "dc.h"
  12 #include "gdi.h"
  13 #include "debug.h"
  14
  15 /***********************************************************************
  16  *           WIN16DRV_ExtTextOut
  17  */
  18 BOOL32 WIN16DRV_ExtTextOut( DC *dc, INT32 x, INT32 y, UINT32 flags,
  19                            const RECT32 *lprect, LPCSTR str, UINT32 count,
  20                            const INT32 *lpDx )
  21 {
  22     WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
  23     BOOL32 bRet = 1;
  24     RECT16       clipRect;
  25     RECT16       opaqueRect;
  26     RECT16      *lpOpaqueRect = NULL;
  27     WORD wOptions = 0;
  28     WORD wCount = count;
  29     INT16 width;
  30
  31     if (count == 0)
  32       return FALSE;
  33
  34     TRACE(win16drv, "%04x %d %d %x %p %*s %p\n",
  35            dc->hSelf, x, y, flags,  lprect, count > 0 ? count : 8, str, lpDx);
  36
  37
  38     if (dc != NULL)
  39     {
  40         DWORD dwRet;
  41
  42         clipRect.left = 0;
  43         clipRect.top = 0;
  44
  45         clipRect.right = dc->w.devCaps->horzRes;
  46         clipRect.bottom = dc->w.devCaps->vertRes;
  47         if (lprect)
  48         {
  49             opaqueRect.left = lprect->left;
  50             opaqueRect.top = lprect->top;
  51             opaqueRect.right = lprect->right;
  52             opaqueRect.bottom = lprect->bottom;
  53             lpOpaqueRect = &opaqueRect;
  54
  55         }
  56
  57         TRACE(win16drv, "textalign = %d\n", dc->w.textAlign);
  58
  59         if (dc->w.textAlign & TA_UPDATECP)
  60         {
  61             x = dc->w.CursPosX;
  62             y = dc->w.CursPosY;
  63         }
  64
  65         x = XLPTODP( dc, x );
  66         y = YLPTODP( dc, y );
  67
  68         dwRet = PRTDRV_ExtTextOut(physDev->segptrPDEVICE, 0, 0,
  69                  NULL, str, -count,  physDev->FontInfo,
  70                  win16drv_SegPtr_DrawMode, win16drv_SegPtr_TextXForm,
  71                  NULL, NULL, 0);
  72
  73         width = LOWORD(dwRet);
  74
  75         switch( dc->w.textAlign & (TA_LEFT | TA_RIGHT | TA_CENTER) )
  76         {
  77         case TA_LEFT:
  78             if (dc->w.textAlign & TA_UPDATECP)
  79                 dc->w.CursPosX = XDPTOLP( dc, x + width );
  80             break;
  81         case TA_RIGHT:
  82              x -= width;
  83              if (dc->w.textAlign & TA_UPDATECP)
  84                  dc->w.CursPosX = XDPTOLP( dc, x );
  85              break;
  86         case TA_CENTER:
  87             x -= width / 2;
  88             break;
  89         }
  90
  91         switch( dc->w.textAlign & (TA_TOP | TA_BOTTOM | TA_BASELINE) )
  92         {
  93         case TA_TOP:
  94             break;
  95         case TA_BOTTOM:
  96             y -= physDev->FontInfo->dfPixHeight;
  97             break;
  98         case TA_BASELINE:
  99             y -= physDev->FontInfo->dfAscent;
 100             break;
 101         }
 102
 103         dwRet = PRTDRV_ExtTextOut(physDev->segptrPDEVICE,
 104               x, y, &clipRect, str, wCount,
 105               physDev->FontInfo, win16drv_SegPtr_DrawMode,
 106               win16drv_SegPtr_TextXForm, NULL, lpOpaqueRect, wOptions);
 107     }
 108     return bRet;
 109 }
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