mirror of
https://github.com/davidgiven/fluxengine.git
synced 2025-10-31 11:17:01 -07:00
154 lines
3.9 KiB
C++
154 lines
3.9 KiB
C++
//----------------------------------------------------------------------------
|
|
// Anti-Grain Geometry - Version 2.4
|
|
// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
|
|
//
|
|
// Permission to copy, use, modify, sell and distribute this software
|
|
// is granted provided this copyright notice appears in all copies.
|
|
// This software is provided "as is" without express or implied
|
|
// warranty, and with no claim as to its suitability for any purpose.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
// Contact: mcseem@antigrain.com
|
|
// mcseemagg@yahoo.com
|
|
// http://www.antigrain.com
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Class gsv_text
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
#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, 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
|