/usr/include/agg2/agg_gsv_text.h is in libagg-dev 2.5+dfsg1-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Anti-Grain Geometry (AGG) - Version 2.5
// A high quality rendering engine for C++
// Copyright (C) 2002-2006 Maxim Shemanarev
// Contact: mcseem@antigrain.com
// mcseemagg@yahoo.com
// http://antigrain.com
//
// AGG 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.
//
// AGG 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 AGG; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
// MA 02110-1301, USA.
//----------------------------------------------------------------------------
#ifndef AGG_GSV_TEXT_INCLUDED
#define AGG_GSV_TEXT_INCLUDED
#include "agg_array.h"
#include "agg_conv_stroke.h"
#include "agg_conv_transform.h"
namespace agg
{
//---------------------------------------------------------------gsv_text
//
// See Implementation agg_gsv_text.cpp
//
class gsv_text
{
enum status
{
initial,
next_char,
start_glyph,
glyph
};
public:
gsv_text();
void font(const void* font);
void flip(bool flip_y) { m_flip = flip_y; }
void load_font(const char* file);
void size(double height, double width=0.0);
void space(double space);
void line_space(double line_space);
void start_point(double x, double y);
void text(const char* text);
double text_width();
void rewind(unsigned path_id);
unsigned vertex(double* x, double* y);
private:
// not supposed to be copied
gsv_text(const gsv_text&);
const gsv_text& operator = (const gsv_text&);
int16u value(const int8u* p) const
{
int16u v;
if(m_big_endian)
{
*(int8u*)&v = p[1];
*((int8u*)&v + 1) = p[0];
}
else
{
*(int8u*)&v = p[0];
*((int8u*)&v + 1) = p[1];
}
return v;
}
private:
double m_x;
double m_y;
double m_start_x;
double m_width;
double m_height;
double m_space;
double m_line_space;
char m_chr[2];
char* m_text;
pod_array<char> m_text_buf;
char* m_cur_chr;
const void* m_font;
pod_array<char> m_loaded_font;
status m_status;
bool m_big_endian;
bool m_flip;
int8u* m_indices;
int8* m_glyphs;
int8* m_bglyph;
int8* m_eglyph;
double m_w;
double m_h;
};
//--------------------------------------------------------gsv_text_outline
template<class Transformer = trans_affine> class gsv_text_outline
{
public:
gsv_text_outline(gsv_text& text, const Transformer& trans) :
m_polyline(text),
m_trans(m_polyline, trans)
{
}
void width(double w)
{
m_polyline.width(w);
}
void transformer(const Transformer* trans)
{
m_trans->transformer(trans);
}
void rewind(unsigned path_id)
{
m_trans.rewind(path_id);
m_polyline.line_join(round_join);
m_polyline.line_cap(round_cap);
}
unsigned vertex(double* x, double* y)
{
return m_trans.vertex(x, y);
}
private:
conv_stroke<gsv_text> m_polyline;
conv_transform<conv_stroke<gsv_text>, Transformer> m_trans;
};
}
#endif
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