wine/objects/text.c
2000-08-25 21:35:11 +00:00

235 lines
6.4 KiB
C

/*
* text functions
*
* Copyright 1993, 1994 Alexandre Julliard
*
*/
#include <string.h>
#include "windef.h"
#include "wingdi.h"
#include "wine/winuser16.h"
#include "winbase.h"
#include "winerror.h"
#include "dc.h"
#include "gdi.h"
#include "heap.h"
#include "debugtools.h"
#include "winnls.h"
DEFAULT_DEBUG_CHANNEL(text);
/***********************************************************************
* ExtTextOut16 (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 (GDI32.98)
*/
BOOL WINAPI ExtTextOutA( HDC hdc, INT x, INT y, UINT flags,
const RECT *lprect, LPCSTR str, UINT count,
const INT *lpDx )
{
DC * dc = DC_GetDCUpdate( hdc );
LPWSTR p;
UINT codepage = CP_ACP; /* FIXME: get codepage of font charset */
BOOL ret = FALSE;
LPINT lpDxW = NULL;
if (!dc) return FALSE;
if (dc->funcs->pExtTextOut)
{
UINT wlen = MultiByteToWideChar(codepage,0,str,count,NULL,0);
if (lpDx)
{
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;
}
}
}
if ((p = HeapAlloc( GetProcessHeap(), 0, wlen * sizeof(WCHAR) )))
{
wlen = MultiByteToWideChar(codepage,0,str,count,p,wlen);
ret = dc->funcs->pExtTextOut( dc, x, y, flags, lprect, p, wlen, lpDxW );
HeapFree( GetProcessHeap(), 0, p );
}
if (lpDxW) HeapFree( GetProcessHeap(), 0, lpDxW );
}
GDI_ReleaseObj( hdc );
return ret;
}
/***********************************************************************
* ExtTextOutW (GDI32.99)
*/
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;
}
/***********************************************************************
* TextOut16 (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 (GDI32.355)
*/
BOOL WINAPI TextOutA( HDC hdc, INT x, INT y, LPCSTR str, INT count )
{
return ExtTextOutA( hdc, x, y, 0, NULL, str, count, NULL );
}
/***********************************************************************
* TextOutW (GDI32.356)
*/
BOOL WINAPI TextOutW(HDC hdc, INT x, INT y, LPCWSTR str, INT count)
{
return ExtTextOutW( hdc, x, y, 0, NULL, str, count, NULL );
}
/***********************************************************************
* GetTextCharset [GDI32.226] 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);
}
/***********************************************************************
* GetTextCharset16 [GDI.612]
*/
UINT16 WINAPI GetTextCharset16(HDC16 hdc)
{
return (UINT16)GetTextCharset(hdc);
}
/***********************************************************************
* GetTextCharsetInfo [GDI32.381] 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
*
* 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 */
{
HGDIOBJ hFont;
UINT charSet = DEFAULT_CHARSET;
LOGFONTW lf;
CHARSETINFO csinfo;
hFont = GetCurrentObject(hdc, OBJ_FONT);
if (hFont == 0)
return(DEFAULT_CHARSET);
if ( GetObjectW(hFont, sizeof(LOGFONTW), &lf) != 0 )
charSet = lf.lfCharSet;
if (fs != NULL) {
if (!TranslateCharsetInfo((LPDWORD)charSet, &csinfo, TCI_SRCCHARSET))
return (DEFAULT_CHARSET);
memcpy(fs, &csinfo.fs, sizeof(FONTSIGNATURE));
}
return charSet;
}
/***********************************************************************
* PolyTextOutA [GDI.402] Draw several Strings
*/
BOOL WINAPI PolyTextOutA (
HDC hdc, /* Handle to device context */
PPOLYTEXTA pptxt, /* array of strings */
INT cStrings /* Number of strings in array */
)
{
FIXME("stub!\n");
SetLastError ( ERROR_CALL_NOT_IMPLEMENTED );
return 0;
}
/***********************************************************************
* PolyTextOutW [GDI.403] Draw several Strings
*/
BOOL WINAPI PolyTextOutW (
HDC hdc, /* Handle to device context */
PPOLYTEXTW pptxt, /* array of strings */
INT cStrings /* Number of strings in array */
)
{
FIXME("stub!\n");
SetLastError ( ERROR_CALL_NOT_IMPLEMENTED );
return 0;
}