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 "gdi.h"
  11 #include "debugtools.h"
  12 #include "winbase.h"
  13 #include "winnls.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     DWORD len;
  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     len = WideCharToMultiByte( CP_ACP, 0, wstr, count, NULL, 0, NULL, NULL );
  42     str = HeapAlloc( GetProcessHeap(), 0, len );
  43     WideCharToMultiByte( CP_ACP, 0, wstr, count, str, len, NULL, NULL );
  44
  45     clipRect.left = 0;
  46     clipRect.top = 0;
  47
  48     clipRect.right = dc->devCaps->horzRes;
  49     clipRect.bottom = dc->devCaps->vertRes;
  50     if (lprect) {
  51         opaqueRect.left = lprect->left;
  52         opaqueRect.top = lprect->top;
  53         opaqueRect.right = lprect->right;
  54         opaqueRect.bottom = lprect->bottom;
  55         lpOpaqueRect = &opaqueRect;
  56     }
  57
  58     TRACE("textalign = %d\n", dc->textAlign);
  59
  60     if (dc->textAlign & TA_UPDATECP) {
  61         x = dc->CursPosX;
  62         y = dc->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, -len,  physDev->FontInfo,
  70                               win16drv_SegPtr_DrawMode,
  71                               win16drv_SegPtr_TextXForm,
  72                               NULL, NULL, 0);
  73
  74     width = LOWORD(dwRet);
  75
  76     switch( dc->textAlign & (TA_LEFT | TA_RIGHT | TA_CENTER) ) {
  77     case TA_LEFT:
  78         if (dc->textAlign & TA_UPDATECP)
  79             dc->CursPosX = XDPTOLP( dc, x + width );
  80         break;
  81     case TA_RIGHT:
  82         x -= width;
  83         if (dc->textAlign & TA_UPDATECP)
  84             dc->CursPosX = XDPTOLP( dc, x );
  85         break;
  86     case TA_CENTER:
  87         x -= width / 2;
  88         break;
  89     }
  90
  91     switch( dc->textAlign & (TA_TOP | TA_BOTTOM | TA_BASELINE) ) {
  92     case TA_TOP:
  93         break;
  94     case TA_BOTTOM:
  95         y -= physDev->FontInfo->dfPixHeight;
  96         break;
  97     case TA_BASELINE:
  98         y -= physDev->FontInfo->dfAscent;
  99         break;
 100     }
 101
 102     dwRet = PRTDRV_ExtTextOut(physDev->segptrPDEVICE,
 103                               x, y, &clipRect, str, (WORD)len,
 104                               physDev->FontInfo, win16drv_SegPtr_DrawMode,
 105                               win16drv_SegPtr_TextXForm, NULL, lpOpaqueRect,
 106                               wOptions);
 107
 108     HeapFree( GetProcessHeap(), 0, str );
 109     return bRet;
 110 }
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