gecko-dev/cmd/macfe/utility/UUnicodeTextHandler.h

56 строки
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
// ===========================================================================
// UUnicodeTextHandler.cp
// ===========================================================================
//
// Authror: Frank Tang ftang@netscape.com
#pragma once
#include "UMultiFontTextHandler.h"
/*-----------------------------------------------------------------------------
UUnicodeTextHandler
Switch font to draw Unicode (UCS2)
It use Singleton (See Design Patterns by Erich Gamma )
-----------------------------------------------------------------------------*/
class UUnicodeTextHandler : public UMultiFontTextHandler{
public:
static UUnicodeTextHandler* Instance();
UUnicodeTextHandler() {};
virtual void DrawUnicode(UFontSwitcher* fs, INTL_Unicode* text, int len);
virtual short UnicodeWidth(UFontSwitcher* fs, INTL_Unicode* text, int len);
virtual void DrawString (UFontSwitcher* fs, Str255 str)
{ DrawUnicode(fs, (INTL_Unicode*)str+2, ((str[0] - 1 )/ 2)); };
virtual void DrawText (UFontSwitcher* fs, char* text, int len)
{ DrawUnicode(fs, (INTL_Unicode*) text, (len / 2)); };
virtual short StringWidth(UFontSwitcher* fs, Str255 str)
{ return UnicodeWidth(fs, (INTL_Unicode*)str+2, ((str[0] - 1 )/ 2)); };
virtual short TextWidth(UFontSwitcher* fs, char* text, int len)
{ return UnicodeWidth(fs, (INTL_Unicode*) text, (len / 2)); };
virtual void GetFontInfo (UFontSwitcher* fs, FontInfo* fi);
private:
static UUnicodeTextHandler* fTheOnlyInstance;
};