blame: source/code/ttfont.cpp

/*

===========================================================================

blockattack - Block Attack - Rise of the Blocks

Copyright (C) 2005-2012 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, see http://www.gnu.org/licenses/

Source information and contacts persons can be found at

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 = nullptr;

	actualInstance = false;

}

int TTFont::count = 0;

TTFont::TTFont(TTF_Font *f) {

	if (!(TTF_WasInit())) {

		//Init TTF for the first time

		TTF_Init();

	}

	if (f == nullptr) {

		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 = nullptr;

	count--;

	if (count==0) {

		TTF_Quit();

	}

}

//Copy constructor, you cannot copy an actual instance

TTFont::TTFont(const TTFont &t) {

	if (t.font == nullptr || t.actualInstance) {

		font = nullptr;

		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,nullptr)!=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,nullptr,target,&dest);

		SDL_FreeSurface(text_surface);

	}

}