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 "win16drv.h"
  10 #include "dc.h"
  11 #include "gdi.h"
  12 #include "debug.h"
  13
  14 DEFAULT_DEBUG_CHANNEL(win16drv)
  15
  16 /***********************************************************************
  17  *           WIN16DRV_ExtTextOut
  18  */
  19 BOOL WIN16DRV_ExtTextOut( DC *dc, INT x, INT y, UINT flags,
  20                            const RECT *lprect, LPCSTR str, UINT count,
  21                            const INT *lpDx )
  22 {
  23     WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
  24     BOOL bRet = 1;
  25     RECT16       clipRect;
  26     RECT16       opaqueRect;
  27     RECT16      *lpOpaqueRect = NULL;
  28     WORD wOptions = 0;
  29     WORD wCount = count;
  30     INT16 width;
  31
  32     if (count == 0)
  33       return FALSE;
  34
  35     TRACE(win16drv, "%04x %d %d %x %p %*s %p\n",
  36            dc->hSelf, x, y, flags,  lprect, count > 0 ? count : 8, str, lpDx);
  37
  38
  39     if (dc != NULL)
  40     {
  41         DWORD dwRet;
  42
  43         clipRect.left = 0;
  44         clipRect.top = 0;
  45
  46         clipRect.right = dc->w.devCaps->horzRes;
  47         clipRect.bottom = dc->w.devCaps->vertRes;
  48         if (lprect)
  49         {
  50             opaqueRect.left = lprect->left;
  51             opaqueRect.top = lprect->top;
  52             opaqueRect.right = lprect->right;
  53             opaqueRect.bottom = lprect->bottom;
  54             lpOpaqueRect = &opaqueRect;
  55
  56         }
  57
  58         TRACE(win16drv, "textalign = %d\n", dc->w.textAlign);
  59
  60         if (dc->w.textAlign & TA_UPDATECP)
  61         {
  62             x = dc->w.CursPosX;
  63             y = dc->w.CursPosY;
  64         }
  65
  66         x = XLPTODP( dc, x );
  67         y = YLPTODP( dc, y );
  68
  69         dwRet = PRTDRV_ExtTextOut(physDev->segptrPDEVICE, 0, 0,
  70                  NULL, str, -count,  physDev->FontInfo,
  71                  win16drv_SegPtr_DrawMode, win16drv_SegPtr_TextXForm,
  72                  NULL, NULL, 0);
  73
  74         width = LOWORD(dwRet);
  75
  76         switch( dc->w.textAlign & (TA_LEFT | TA_RIGHT | TA_CENTER) )
  77         {
  78         case TA_LEFT:
  79             if (dc->w.textAlign & TA_UPDATECP)
  80                 dc->w.CursPosX = XDPTOLP( dc, x + width );
  81             break;
  82         case TA_RIGHT:
  83              x -= width;
  84              if (dc->w.textAlign & TA_UPDATECP)
  85                  dc->w.CursPosX = XDPTOLP( dc, x );
  86              break;
  87         case TA_CENTER:
  88             x -= width / 2;
  89             break;
  90         }
  91
  92         switch( dc->w.textAlign & (TA_TOP | TA_BOTTOM | TA_BASELINE) )
  93         {
  94         case TA_TOP:
  95             break;
  96         case TA_BOTTOM:
  97             y -= physDev->FontInfo->dfPixHeight;
  98             break;
  99         case TA_BASELINE:
 100             y -= physDev->FontInfo->dfAscent;
 101             break;
 102         }
 103
 104         dwRet = PRTDRV_ExtTextOut(physDev->segptrPDEVICE,
 105               x, y, &clipRect, str, wCount,
 106               physDev->FontInfo, win16drv_SegPtr_DrawMode,
 107               win16drv_SegPtr_TextXForm, NULL, lpOpaqueRect, wOptions);
 108     }
 109     return bRet;
 110 }
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