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Sweden-Number/objects/text.c

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/*
* text functions
*
* Copyright 1993, 1994 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <string.h>
#include "windef.h"
#include "wingdi.h"
#include "wine/winuser16.h"
#include "winbase.h"
#include "winerror.h"
#include "gdi.h"
#include "wine/debug.h"
#include "winnls.h"
WINE_DEFAULT_DEBUG_CHANNEL(text);
/***********************************************************************
* FONT_mbtowc
*
* Returns a '\0' terminated Unicode translation of str using the
* charset of the currently selected font in hdc. If count is -1 then
* str is assumed to be '\0' terminated, otherwise it contains the
* number of bytes to convert. If plenW is non-NULL, on return it
* will point to the number of WCHARs (excluding the '\0') that have
* been written. If pCP is non-NULL, on return it will point to the
* codepage used in the conversion. The caller should free the
* returned LPWSTR from the process heap itself.
*/
LPWSTR FONT_mbtowc(HDC hdc, LPCSTR str, INT count, INT *plenW, UINT *pCP)
{
UINT cp = CP_ACP;
INT lenW;
LPWSTR strW;
CHARSETINFO csi;
int charset = GetTextCharset(hdc);
/* Hmm, nicely designed api this one! */
if(TranslateCharsetInfo((DWORD*)charset, &csi, TCI_SRCCHARSET))
cp = csi.ciACP;
else {
switch(charset) {
case SYMBOL_CHARSET: /* We don't want any translation here */
cp = GetACP();
break;
case OEM_CHARSET:
cp = GetOEMCP();
break;
case DEFAULT_CHARSET:
cp = GetACP();
break;
case VISCII_CHARSET:
case TCVN_CHARSET:
case KOI8_CHARSET:
case ISO3_CHARSET:
case ISO4_CHARSET:
case ISO10_CHARSET:
case CELTIC_CHARSET:
/* FIXME: These have no place here, but because x11drv
enumerates fonts with these (made up) charsets some apps
might use them and then the FIXME below would become
annoying. Now we could pick the intended codepage for
each of these, but since it's broken anyway we'll just
use CP_ACP and hope it'll go away...
*/
cp = CP_ACP;
break;
default:
FIXME("Can't find codepage for charset %d\n", charset);
break;
}
}
lenW = MultiByteToWideChar(cp, 0, str, count, NULL, 0);
strW = HeapAlloc(GetProcessHeap(), 0, (lenW + 1) * sizeof(WCHAR));
MultiByteToWideChar(cp, 0, str, count, strW, lenW);
strW[lenW] = '\0';
if(plenW) *plenW = lenW;
if(pCP) *pCP = cp;
return strW;
}
/***********************************************************************
* ExtTextOut (GDI.351)
*/
BOOL16 WINAPI ExtTextOut16( HDC16 hdc, INT16 x, INT16 y, UINT16 flags,
const RECT16 *lprect, LPCSTR str, UINT16 count,
const INT16 *lpDx )
{
BOOL ret;
int i;
RECT rect32;
LPINT lpdx32 = NULL;
if (lpDx) {
lpdx32 = (LPINT)HeapAlloc( GetProcessHeap(),0, sizeof(INT)*count );
if(lpdx32 == NULL) return FALSE;
for (i=count;i--;) lpdx32[i]=lpDx[i];
}
if (lprect) CONV_RECT16TO32(lprect,&rect32);
ret = ExtTextOutA(hdc,x,y,flags,lprect?&rect32:NULL,str,count,lpdx32);
if (lpdx32) HeapFree( GetProcessHeap(), 0, lpdx32 );
return ret;
}
/***********************************************************************
* ExtTextOutA (GDI32.@)
*/
BOOL WINAPI ExtTextOutA( HDC hdc, INT x, INT y, UINT flags,
const RECT *lprect, LPCSTR str, UINT count, const INT *lpDx )
{
INT wlen;
UINT codepage;
LPWSTR p = FONT_mbtowc(hdc, str, count, &wlen, &codepage);
BOOL ret;
LPINT lpDxW = NULL;
if (lpDx) {
unsigned int i = 0, j = 0;
lpDxW = (LPINT)HeapAlloc( GetProcessHeap(), 0, wlen*sizeof(INT));
while(i < count) {
if(IsDBCSLeadByteEx(codepage, str[i])) {
lpDxW[j++] = lpDx[i] + lpDx[i+1];
i = i + 2;
} else {
lpDxW[j++] = lpDx[i];
i = i + 1;
}
}
}
ret = ExtTextOutW( hdc, x, y, flags, lprect, p, wlen, lpDxW );
HeapFree( GetProcessHeap(), 0, p );
if (lpDxW) HeapFree( GetProcessHeap(), 0, lpDxW );
return ret;
}
/***********************************************************************
* ExtTextOutW (GDI32.@)
*/
BOOL WINAPI ExtTextOutW( HDC hdc, INT x, INT y, UINT flags,
const RECT *lprect, LPCWSTR str, UINT count, const INT *lpDx )
{
BOOL ret = FALSE;
DC * dc = DC_GetDCUpdate( hdc );
if (dc)
{
if(dc->funcs->pExtTextOut)
ret = dc->funcs->pExtTextOut(dc,x,y,flags,lprect,str,count,lpDx);
GDI_ReleaseObj( hdc );
}
return ret;
}
/***********************************************************************
* TextOut (GDI.33)
*/
BOOL16 WINAPI TextOut16( HDC16 hdc, INT16 x, INT16 y, LPCSTR str, INT16 count )
{
return ExtTextOut16( hdc, x, y, 0, NULL, str, count, NULL );
}
/***********************************************************************
* TextOutA (GDI32.@)
*/
BOOL WINAPI TextOutA( HDC hdc, INT x, INT y, LPCSTR str, INT count )
{
return ExtTextOutA( hdc, x, y, 0, NULL, str, count, NULL );
}
/***********************************************************************
* TextOutW (GDI32.@)
*/
BOOL WINAPI TextOutW(HDC hdc, INT x, INT y, LPCWSTR str, INT count)
{
return ExtTextOutW( hdc, x, y, 0, NULL, str, count, NULL );
}
/***********************************************************************
* GetTextCharset [GDI32.@] Gets character set for font in DC
*
* NOTES
* Should it return a UINT32 instead of an INT32?
* => YES, as GetTextCharsetInfo returns UINT32
*
* RETURNS
* Success: Character set identifier
* Failure: DEFAULT_CHARSET
*/
UINT WINAPI GetTextCharset(
HDC hdc) /* [in] Handle to device context */
{
/* MSDN docs say this is equivalent */
return GetTextCharsetInfo(hdc, NULL, 0);
}
/***********************************************************************
* GetTextCharset [GDI.612]
*/
UINT16 WINAPI GetTextCharset16(HDC16 hdc)
{
return (UINT16)GetTextCharset(hdc);
}
/***********************************************************************
* GetTextCharsetInfo [GDI32.@] Gets character set for font
*
* NOTES
* Should csi be an LPFONTSIGNATURE instead of an LPCHARSETINFO?
* Should it return a UINT32 instead of an INT32?
* => YES and YES, from win32.hlp from Borland
*
* This returns the actual charset selected by the driver rather than the
* value in lf.lfCharSet during CreateFont, to get that use
* GetObject(GetCurrentObject(...),...)
*
* RETURNS
* Success: Character set identifier
* Failure: DEFAULT_CHARSET
*/
UINT WINAPI GetTextCharsetInfo(
HDC hdc, /* [in] Handle to device context */
LPFONTSIGNATURE fs, /* [out] Pointer to struct to receive data */
DWORD flags) /* [in] Reserved - must be 0 */
{
UINT charSet = DEFAULT_CHARSET;
CHARSETINFO csinfo;
TEXTMETRICW tm;
if(!GetTextMetricsW(hdc, &tm)) return DEFAULT_CHARSET;
charSet = tm.tmCharSet;
if (fs != NULL) {
if (!TranslateCharsetInfo((LPDWORD)charSet, &csinfo, TCI_SRCCHARSET))
return DEFAULT_CHARSET;
memcpy(fs, &csinfo.fs, sizeof(FONTSIGNATURE));
}
return charSet;
}
/***********************************************************************
* PolyTextOutA (GDI32.@)
*
* Draw several Strings
*/
BOOL WINAPI PolyTextOutA (
HDC hdc, /* [in] Handle to device context */
PPOLYTEXTA pptxt, /* [in] Array of strings */
INT cStrings /* [in] Number of strings in array */
)
{
FIXME("stub!\n");
SetLastError ( ERROR_CALL_NOT_IMPLEMENTED );
return 0;
}
/***********************************************************************
* PolyTextOutW (GDI32.@)
*
* Draw several Strings
*/
BOOL WINAPI PolyTextOutW (
HDC hdc, /* [in] Handle to device context */
PPOLYTEXTW pptxt, /* [in] Array of strings */
INT cStrings /* [in] Number of strings in array */
)
{
FIXME("stub!\n");
SetLastError ( ERROR_CALL_NOT_IMPLEMENTED );
return 0;
}
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