blame: source/code/ttfont.cc

/*

Block Attack - Rise of the Blocks, SDL game, besed on Nintendo's Tetris Attack

Copyright (C) 2008 Poul Sander

    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Poul Sander

    R�vehjvej 36, V. 1111

    2800 Kgs. Lyngby

    DENMARK

    blockattack@poulsander.com

    http://blockattack.sf.net

*/

#include "ttfont.h"

//extern SDL_Surface *tmp;

//#define CONVERTA(n) tmp = SDL_DisplayFormatAlpha(n); SDL_FreeSurface(n); n = tmp

TTFont::TTFont()

{

    font = NULL;

    actualInstance = false;

}

int TTFont::count = 0;

TTFont::TTFont(TTF_Font *f)

{

    if(!(TTF_WasInit()))

    {

        //Init TTF for the first time

        TTF_Init();

    }

    if(f == NULL)

        cout << "Font was null!" << endl;

    actualInstance = false; //We have not yet copied to final location

    font = f;    

}

TTFont::~TTFont()

{

    if(!actualInstance)

        return;

    cout << "Closing a font" << endl;

    TTF_CloseFont(font);

    font = NULL;

    count--;

    if(count==0)

        TTF_Quit();

}

//Copy constructor, you cannot copy an actual instance

TTFont::TTFont(const TTFont &t)

{

    if(t.font == NULL || t.actualInstance)

    {

        font = NULL;

        actualInstance = false;

    }

    else

    {

        font = t.font;

        actualInstance = true;

        count++;

    }

}

int TTFont::getTextHeight()

{

    return TTF_FontHeight(font);

}

int TTFont::getTextWidth(string text)

{

    int width = 0;

    if(TTF_SizeText(font,text.c_str(),&width,NULL)!=0)

        cout << "Failed to get text width!" << endl;

    return width;

}

void TTFont::writeText(string text, SDL_Surface *target, int x, int y)

{

    SDL_Surface *text_surface;

    SDL_Color color={255,255,255};

    if(!(text_surface=TTF_RenderText_Solid(font,text.c_str(), color))) 

    {

        cout << "Error writing text: " << TTF_GetError() << endl;

    }

    else

    {

        SDL_Rect dest;

        dest.x = x;

        dest.y = y;

        SDL_BlitSurface(text_surface,NULL,target,&dest);

        SDL_FreeSurface(text_surface);

    }

}