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