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/*
* label_style.h -- 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* This file implements label_state:
*
* [] Text and mask color (Color x2)
* [] Alignment (epix_label_posn)
* [] Font face and size (strings)
* [] Label angle (double, in degrees)
*
* The class in this file implements backend for user-level global
* functions defined in state.h, which modify the_label_style().
*
* This header is not part of epix.h.
*/
#ifndef EPIX_LABEL_STATE
#define EPIX_LABEL_STATE
#include <string>
#include "enums.h"
#include "Color.h"
#include "length.h"
#include "pen_data.h"
namespace ePiX {
class Camera;
class label_state {
public:
// Clients can only construct the default state: black, unmasked,
// unbordered, basepoint-aligned, unrotated normalsize Roman text.
label_state();
// set
void text_color(const Color& col);
void mask_color(const Color& col);
void label_padding(const length& len);
void label_border(const pen_data& p);
void align_to(const epix_label_posn a);
void fontsize(const std::string& fs);
void fontface(const std::string& f);
// store label rotation angle internally in degrees
void label_angle(double th);
// get
Color text_color() const;
Color mask_color() const;
bool is_masked() const;
length label_padding() const;
pen_data label_border() const;
epix_label_posn align_to() const;
// e.g. "scriptsize"
std::string fontsize() const;
std::string fontface() const;
// return angle in degrees
double label_angle() const;
// map us through a camera filter
label_state seen_through(const Camera& cam) const;
private:
Color the_text_color;
Color the_mask_color;
length the_padding;
pen_data the_label_border;
epix_label_posn the_alignment;
std::string the_fontsize;
std::string the_fontface;
double the_angle; // stored in degrees
// text and background color, padding, border style,
// alignment, font size and face, angle (degrees)
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);
}; // end of label_state
label_state& the_label_style();
} // end of namespace
#endif /* EPIX_LABEL_STATE */
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