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/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program 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 General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

/*
 * This file is based on WME Lite.
 * http://dead-code.org/redir.php?target=wmelite
 * Copyright (c) 2011 Jan Nedoma
 */

#include "engines/wintermute/dcgf.h"
#include "engines/wintermute/Base/BFont.h"
#include "engines/wintermute/Base/BFontBitmap.h"
#include "engines/wintermute/Base/BParser.h"
#include "engines/wintermute/Base/BFileManager.h"
#include "engines/wintermute/Base/BFontTT.h"
#include "engines/wintermute/Base/BGame.h"

namespace WinterMute {

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

IMPLEMENT_PERSISTENT(CBFont, false)

//////////////////////////////////////////////////////////////////////
CBFont::CBFont(CBGame *inGame): CBObject(inGame) {

}


//////////////////////////////////////////////////////////////////////
CBFont::~CBFont() {
}


//////////////////////////////////////////////////////////////////////
void CBFont::drawText(byte *text, int x, int y, int width, TTextAlign align, int max_height, int maxLength) {
}


//////////////////////////////////////////////////////////////////////
int CBFont::getTextHeight(byte *text, int width) {
	return 0;
}


//////////////////////////////////////////////////////////////////////
int CBFont::getTextWidth(byte *text, int maxLength) {
	return 0;
}

/*
//////////////////////////////////////////////////////////////////////
HRESULT CBFont::loadFile(const char * Filename)
{
    BYTE* Buffer = Game->_fileManager->readWholeFile(filename);
    if(Buffer==NULL){
        Game->LOG(0, "CBFont::LoadFile failed for file '%s'", filename);
        return E_FAIL;
    }

    HRESULT ret;

    _filename = new char [strlen(filename)+1];
    strcpy(_filename, filename);

    if(FAILED(ret = loadBuffer(Buffer))) Game->LOG(0, "Error parsing FONT file '%s'", filename);

    delete [] Buffer;

    return ret;
}


TOKEN_DEF_START
  TOKEN_DEF (FONT)
TOKEN_DEF_END
//////////////////////////////////////////////////////////////////////
HRESULT CBFont::loadBuffer(byte * Buffer)
{
    TOKEN_TABLE_START(commands)
        TOKEN_TABLE (FONT)
    TOKEN_TABLE_END

    char* params;
    int cmd;
    CBParser parser(Game);

    if(parser.GetCommand ((char**)&Buffer, commands, (char**)&params)!=TOKEN_FONT){
        Game->LOG(0, "'FONT' keyword expected.");
        return E_FAIL;
    }
    Buffer = (byte *)params;

    while ((cmd = parser.GetCommand ((char**)&Buffer, commands, (char**)&params)) > 0)
    {
        switch (cmd)
        {
            case TOKEN_IMAGE:
                surface_file = (char*)params;
            break;

            case TOKEN_TRANSPARENT:
                parser.scanStr(params, "%d,%d,%d", &r, &g, &b);
                custo_trans = true;
            break;
        }


    }
    if (cmd == PARSERR_TOKENNOTFOUND){
        Game->LOG(0, "Syntax error in FONT definition");
        return E_FAIL;
    }

    return S_OK;
}
*/

//////////////////////////////////////////////////////////////////////////
int CBFont::getLetterHeight() {
	return 0;
}


//////////////////////////////////////////////////////////////////////////
HRESULT CBFont::persist(CBPersistMgr *persistMgr) {

	CBObject::persist(persistMgr);
	return S_OK;
}


//////////////////////////////////////////////////////////////////////////
CBFont *CBFont::createFromFile(CBGame *Game, const char *filename) {
	if (isTrueType(Game, filename)) {
		CBFontTT *font = new CBFontTT(Game);
		if (font) {
			if (FAILED(font->loadFile(filename))) {
				delete font;
				return NULL;
			}
		}
		return font;
	} else {
		CBFontBitmap *font = new CBFontBitmap(Game);
		if (font) {
			if (FAILED(font->loadFile(filename))) {
				delete font;
				return NULL;
			}
		}
		return font;
	}
}


TOKEN_DEF_START
TOKEN_DEF(FONT)
TOKEN_DEF(TTFONT)
TOKEN_DEF_END
//////////////////////////////////////////////////////////////////////////
bool CBFont::isTrueType(CBGame *Game, const char *filename) {
	TOKEN_TABLE_START(commands)
	TOKEN_TABLE(FONT)
	TOKEN_TABLE(TTFONT)
	TOKEN_TABLE_END


	byte *buffer = Game->_fileManager->readWholeFile(filename);
	if (buffer == NULL) return false;

	byte *WorkBuffer = buffer;

	char *params;
	CBParser parser(Game);

	bool ret = false;
	if (parser.getCommand((char **)&WorkBuffer, commands, (char **)&params) == TOKEN_TTFONT)
		ret = true;

	delete [] buffer;
	return ret;
}

} // end of namespace WinterMute