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/*
* label_style.cc -- ePiX's current state for text and markers
*
* This file is part of ePiX, a C++ library for creating high-quality
* figures in LaTeX
*
* Version 1.1.22
* Last Change: September 24, 2007
*/
/*
* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
* Andrew D. Hwang <rot 13 nujnat at zngupf dot ubylpebff dot rqh>
* Department of Mathematics and Computer Science
* College of the Holy Cross
* Worcester, MA, 01610-2395, USA
*/
/*
* ePiX 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.
*
* ePiX 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 ePiX; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <string>
#include "enums.h"
#include "constants.h"
#include "functions.h" // for snip_to
#include "angle_units.h"
#include "Color.h"
#include "camera.h"
#include "length.h"
#include "label_style.h"
namespace ePiX {
// Users can only construct the default style, since label angles
// are specified in current units but stored/returned in degrees.
label_state::label_state()
: the_text_color(Black()), the_mask_color(Neutral()),
the_padding(length(0)), the_label_border(Xfine()),
the_alignment(none), the_fontsize("nsz"),
the_fontface("rm"),
the_angle(0) { }
// set
void label_state::text_color(const Color& col)
{
the_text_color = col;
}
void label_state::mask_color(const Color& col)
{
the_mask_color = col;
}
void label_state::label_padding(const length& len)
{
the_padding=len;
}
void label_state::label_border(const pen_data& p)
{
the_label_border = p;
}
void label_state::align_to(const epix_label_posn a)
{
the_alignment = a;
}
void label_state::fontsize(const std::string& fs)
{
the_fontsize = fs;
}
void label_state::fontface(const std::string& ff)
{
the_fontface = ff;
}
// store label rotation angle internally in degrees
void label_state::label_angle(double th)
{
the_angle = the_angle_style().to_degrees(th);
}
// get
Color label_state::text_color() const
{
return the_text_color;
}
Color label_state::mask_color() const
{
return the_mask_color;
}
bool label_state::is_masked() const
{
return !the_mask_color.is_unset();
}
length label_state::label_padding() const
{
return the_padding;
}
pen_data label_state::label_border() const
{
return the_label_border;
}
epix_label_posn label_state::align_to() const
{
return the_alignment;
}
// e.g. "scriptsize"
std::string label_state::fontsize() const
{
return the_fontsize;
}
std::string label_state::fontface() const
{
return the_fontface;
}
double label_state::label_angle() const
{
return the_angle;
}
// map us through a camera filter
label_state label_state::seen_through(const Camera& mycam) const
{
return label_state(mycam(the_text_color), mycam(the_mask_color),
the_padding, the_label_border.seen_through(mycam),
the_alignment, the_fontsize, the_fontface,
the_angle);
}
// private constructor, for seen_through
label_state::label_state(const Color& text, const Color& mask,
const length& pad, const pen_data& border,
const epix_label_posn align,
const std::string& fontsize,
const std::string& fontface,
double th)
: the_text_color(text), the_mask_color(mask),
the_padding(pad), the_label_border(border),
the_alignment(align), the_fontsize(fontsize),
the_fontface(fontface),
the_angle(th) { }
label_state& the_label_style()
{
static label_state* the_label_state(new label_state());
return *the_label_state;
}
} // end of namespace
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