#!/usr/bin/env perl
#
# TTFont.pm
#
# Copyright (C) 2005 David J. Goehrig <dgoehrig@cpan.org>
#
# ------------------------------------------------------------------------------
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# 
# This library 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
# Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
#
# ------------------------------------------------------------------------------
#
# Please feel free to send questions, suggestions or improvements to:
#
#	David J. Goehrig
#	dgoehrig@cpan.org
#

package SDL::TTFont;

use strict;
use warnings;
use Carp;
use SDL;
use SDL::Surface;

use vars qw/ @ISA /;

@ISA = qw(SDL::Surface);

sub new {
	my $proto = shift;
	my $class = ref($proto) || $proto;
	my $self = {};
	my %options;
	(%options) = @_;
	$self->{-mode} = $options{-mode} 	|| $options{-m}	 || SDL::TEXT_SHADED();
	$self->{-name} = $options{-name} 	|| $options{-n};
	$self->{-size} = $options{-size} 	|| $options{-s};
	$self->{-fg} = $options{-foreground} 	|| $options{-fg} || $SDL::Color::black;
	$self->{-bg} = $options{-background}	|| $options{-bg} || $SDL::Color::white;

	croak "SDL::TTFont::new requires a -name\n"
		unless ($$self{-name});

	croak "SDL::TTFont::new requires a -size\n"
		unless ($$self{-size});

	$self->{-font} = SDL::TTFOpenFont($self->{-name},$self->{-size});

	croak "Could not open font $$self{-name}, ", SDL::GetError(), "\n"
		unless ($self->{-font});

	bless $self,$class;
	return $self;	
}

sub DESTROY {
	my $self = shift;
	SDL::FreeSurface($self->{-surface}) if (defined ($self->{-surface}));
	SDL::TTFCloseFont($self->{-font}) if (defined ($self->{-font}));
}

sub print {
	my ($self,$surface,$x,$y,@text) = @_;

	croak "Print requies an SDL::Surface"
		unless( ref($surface) && $surface->isa("SDL::Surface") );

	SDL::FreeSurface($self->{-surface}) if ($$self{-surface});

	$$self{-surface} = SDL::TTFPutString($$self{-font},$$self{-mode},
		$$surface,$x,$y,${$$self{-fg}},${$$self{-bg}},join("",@text));

	croak "Could not print \"", join("",@text), "\" to surface, ",
		SDL::GetError(), "\n" unless ($$self{-surface});
}

sub width {
        my ($self,@text) = @_;
        my $aref = SDL::TTFSizeText($$self{-font},join(" ",@text));
	$$aref[0];
}

sub height {
        my ($self) = @_;
        SDL::TTFFontHeight($$self{-font});
}

sub ascent {
        my ($self) = @_;
        SDL::TTFFontAscent($$self{-font});
}

sub descent {
        my ($self) = @_;
        SDL::TTFFontDescent($$self{-font});
}

sub normal {
	my ($self) = @_;
	SDL::TTFSetFontStyle($$self{-font},SDL::TTF_STYLE_NORMAL());
}

sub bold {
	my ($self) = @_;
	SDL::TTFSetFontStyle($$self{-font},SDL::TTF_STYLE_BOLD());
}

sub italic {
	my ($self) = @_;
	SDL::TTFSetFontStyle($$self{-font},SDL::TTF_STYLE_ITALIC());

}

sub underline {
	my ($self) = @_;
	SDL::TTFSetFontStyle($$self{-font},SDL::TTF_STYLE_UNDERLINE());
}

sub text_shaded {
	my ($self) = @_;
	$$self{-mode} = SDL::TEXT_SHADED();
}

sub text_solid {
	my ($self) = @_;
	$$self{-mode} = SDL::TEXT_SOLID();
}

sub text_blended {
	my ($self) = @_;
	$$self{-mode} = SDL::TEXT_BLENDED();
}

sub utf8_shaded {
	my ($self) = @_;
	$$self{-mode} = SDL::UTF8_SHADED();
}

sub utf8_solid {
	my ($self) = @_;
	$$self{-mode} = SDL::UTF8_SOLID();
}

sub utf8_blended {
	my ($self) = @_;
	$$self{-mode} = SDL::UTF8_BLENDED();
}

sub unicode_shaded {
	my ($self) = @_;
	$$self{-mode} = SDL::UNICODE_SHADED();
}

sub unicode_solid {
	my ($self) = @_;
	$$self{-mode} = SDL::UNICODE_SOLID();
}

sub unicode_blended {
	my ($self) = @_;
	$$self{-mode} = SDL::UNICODE_BLENDED();
}

croak "Could not initialize True Type Fonts\n"
	if ( SDL::TTFInit() < 0);

1;

__END__;

=pod

=head1 NAME

SDL::TTFont - a SDL perl extension

=head1 SYNOPSIS

  $font = new TTFont -name => "Utopia.ttf", -size => 18;
	
=head1 DESCRIPTION

L<SDL::TTFont> is a module for applying true type fonts to L<SDL::Surface>.

=head1 AUTHOR

David J. Goehrig

=head1 SEE ALSO

L<perl> L<SDL::Surface>

=cut