treepic_utils.H File Reference

Tree picture generation utilities. More...

#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <fstream>
#include <aleph.H>

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Functions
long double	font_width ()
long double	font_height ()
void	intersection_ellipse_line (long double lx0, long double ly0, long double lx1, long double ly1, long double a, long double b, long double &dx, long double &dy)
void	intersection_line_line (long double lx1, long double ly1, long double lx2, long double ly2, long double rx1, long double ry1, long double rx2, long double ry2, long double &x, long double &y)
long double	distance_between_points (long double x1, long double y1, long double x2, long double y2)
void	intersection_rectangle_line (long double lx0, long double ly0, long double lx1, long double ly1, long double a, long double b, long double &dx, long double &dy)
long double	YPIC (long double y)
size_t	compute_true_len (const std::string &str)
void	put_string (std::ofstream &output, const long double &x, const long double &y, const std::string &comment, const std::string &str)
void	put_string_tkiz (std::ofstream &output, const long double &x, const long double &y, const std::string &comment, const std::string &str)
void	draw_arc (std::ofstream &output, long double src_x, long double src_y, long double tgt_x, long double tgt_y, bool is_dashed, bool with_arrow, bool thick=true)
void	draw_arc_tikz (std::ofstream &output, long double src_x, long double src_y, long double tgt_x, long double tgt_y, bool is_dashed, bool with_arrow, bool thick=true)
long double	center_string (const std::string &str, long double window_size)
long double	string_width (const std::string &str)
int	compute_section (long double x1, long double y1, long double x2, long double y2)
void	compute_mid_point_line (const long double &sx, const long double &sy, const long double &tx, const long double &ty, const long double &d, const bool &left, long double &mx, long double &my)

Variables
const long double	sin_45 = sin(M_PI_4)
const long double	cos_45 = cos(M_PI_4)
const char *const	font_wrapper = "\\texttt{"
const char *	fill_type = "shade"
static const long double	points_per_inch = 72.27
static const long double	mm_per_inch = 25.4
long double	font_width_in_points = 5
long double	font_width_in_mm
long double	font_height_in_mm = 2.0
long double	resolution = 0.05
bool	flip_y = false
bool	tiny_keys = false
	Global flag to enable tiny font size for keys/labels.
std::string	input_file_name
std::string	output_file_name
double	v_size
bool	with_arrow = false
long double	dash_len = 1/resolution
long double	arrow_width = arrow_width_in_mm/resolution
long double	arrow_lenght = arrow_lenght_in_mm/resolution
Arrow drawing parameters (in mm)
Warning These global variables are NOT thread-safe
static long double	arrow_width_in_mm = 0.5
static long double	arrow_lenght_in_mm = 1.5

Detailed Description

Tree picture generation utilities.

Warning

This file uses static global variables for drawing parameters and is NOT thread-safe. Do not use these functions concurrently from multiple threads.

Author

Leandro Rabindranath León

Definition in file treepic_utils.H.

Function Documentation

center_string()

long double center_string ( const std::string &  str, long double  window_size  )

inline

Definition at line 419 of file treepic_utils.H.

References compute_true_len(), and font_width().

Referenced by generate_tree(), and generate_tree().

compute_mid_point_line()

void compute_mid_point_line ( const long double &  sx, const long double &  sy, const long double &  tx, const long double &  ty, const long double &  d, const bool &  left, long double &  mx, long double &  my  )

inline

Definition at line 450 of file treepic_utils.H.

References h.

compute_section()

int compute_section ( long double  x1, long double  y1, long double  x2, long double  y2  )

inline

Definition at line 432 of file treepic_utils.H.

References y1().

compute_true_len()

size_t compute_true_len ( const std::string &  str )

inline

Definition at line 255 of file treepic_utils.H.

Referenced by center_string(), and string_width().

distance_between_points()

long double distance_between_points ( long double  x1, long double  y1, long double  x2, long double  y2  )

inline

Definition at line 185 of file treepic_utils.H.

References sqrt(), and y1().

draw_arc()

void draw_arc ( std::ofstream &  output, long double  src_x, long double  src_y, long double  tgt_x, long double  tgt_y, bool  is_dashed, bool  with_arrow, bool  thick = true  )

inline

Definition at line 328 of file treepic_utils.H.

References arrow_lenght, arrow_width, atan(), atan2(), cos(), dash_len, l, output, sin(), sqrt(), with_arrow, and YPIC().

Referenced by generate_tree(), and generate_tree().

draw_arc_tikz()

void draw_arc_tikz ( std::ofstream &  output, long double  src_x, long double  src_y, long double  tgt_x, long double  tgt_y, bool  is_dashed, bool  with_arrow, bool  thick = true  )

inline

Definition at line 372 of file treepic_utils.H.

References arrow_lenght, arrow_width, atan(), atan2(), cos(), l, output, sin(), sqrt(), with_arrow, and YPIC().

font_height()

long double font_height ( )

inline

Definition at line 106 of file treepic_utils.H.

References font_height_in_mm, and resolution.

Referenced by generate_split_lines(), generate_tree(), generate_tree(), put_string(), and put_string_tkiz().

font_width()

long double font_width ( )

inline

Definition at line 100 of file treepic_utils.H.

References font_width_in_mm, and resolution.

Referenced by center_string(), and string_width().

intersection_ellipse_line()

void intersection_ellipse_line ( long double  lx0, long double  ly0, long double  lx1, long double  ly1, long double  a, long double  b, long double &  dx, long double &  dy  )

inline

Definition at line 124 of file treepic_utils.H.

References sqrt().

Referenced by generate_tree(), and generate_tree().

intersection_line_line()

void intersection_line_line ( long double  lx1, long double  ly1, long double  lx2, long double  ly2, long double  rx1, long double  ry1, long double  rx2, long double  ry2, long double &  x, long double &  y  )

inline

Definition at line 162 of file treepic_utils.H.

References y.

intersection_rectangle_line()

void intersection_rectangle_line ( long double  lx0, long double  ly0, long double  lx1, long double  ly1, long double  a, long double  b, long double &  dx, long double &  dy  )

inline

Definition at line 207 of file treepic_utils.H.

Referenced by generate_tree().

put_string()

void put_string ( std::ofstream &  output, const long double &  x, const long double &  y, const std::string &  comment, const std::string &  str  )

inline

Definition at line 281 of file treepic_utils.H.

References flip_y, font_height(), font_wrapper, output, tiny_keys, y, and YPIC().

Referenced by generate_tree(), and generate_tree().

put_string_tkiz()

void put_string_tkiz ( std::ofstream &  output, const long double &  x, const long double &  y, const std::string &  comment, const std::string &  str  )

inline

Definition at line 301 of file treepic_utils.H.

References flip_y, font_height(), output, y, and YPIC().

string_width()

long double string_width ( const std::string &  str )

inline

Definition at line 426 of file treepic_utils.H.

References compute_true_len(), and font_width().

Referenced by generate_tree(), and generate_tree().

YPIC()

long double YPIC ( long double  y )

inline

Definition at line 249 of file treepic_utils.H.

References flip_y, v_size, and y.

Referenced by draw_arc(), draw_arc_tikz(), generate_curve(), generate_split_lines(), generate_tree(), generate_tree(), put_string(), and put_string_tkiz().

Variable Documentation

arrow_lenght

long double arrow_lenght = arrow_lenght_in_mm/resolution

Definition at line 326 of file treepic_utils.H.

Referenced by draw_arc(), draw_arc_tikz(), main(), and parser_opt().

arrow_lenght_in_mm

long double arrow_lenght_in_mm = 1.5

static

Definition at line 321 of file treepic_utils.H.

arrow_width

long double arrow_width = arrow_width_in_mm/resolution

Definition at line 325 of file treepic_utils.H.

Referenced by draw_arc(), draw_arc_tikz(), main(), and parser_opt().

arrow_width_in_mm

long double arrow_width_in_mm = 0.5

static

Definition at line 320 of file treepic_utils.H.

cos_45

const long double cos_45 = cos(M_PI_4)

Definition at line 58 of file treepic_utils.H.

dash_len

long double dash_len = 1/resolution

Definition at line 324 of file treepic_utils.H.

Referenced by draw_arc(), generate_split_lines(), and generate_tree().

fill_type

const char * fill_type = "shade"

Definition at line 61 of file treepic_utils.H.

Referenced by build_tree(), generate_prologue(), main(), and parser_opt().

flip_y

bool flip_y = false

Definition at line 74 of file treepic_utils.H.

Referenced by main(), parser_opt(), put_string(), put_string_tkiz(), and YPIC().

font_height_in_mm

long double font_height_in_mm = 2.0

Definition at line 70 of file treepic_utils.H.

Referenced by font_height().

font_width_in_mm

long double font_width_in_mm

Initial value:

=
    font_width_in_points*mm_per_inch/points_per_inch

Definition at line 68 of file treepic_utils.H.

Referenced by font_width().

font_width_in_points

long double font_width_in_points = 5

Definition at line 66 of file treepic_utils.H.

font_wrapper

const char *const font_wrapper = "\\texttt{"

Definition at line 60 of file treepic_utils.H.

Referenced by generate_split_lines(), and put_string().

input_file_name

std::string input_file_name

extern

Definition at line 406 of file btreepic.C.

Referenced by file_to_dynarrays(), generate_prologue(), main(), and parser_opt().

mm_per_inch

const long double mm_per_inch = 25.4

static

Definition at line 64 of file treepic_utils.H.

output_file_name

std::string output_file_name

extern

Definition at line 407 of file btreepic.C.

Referenced by generate_prologue(), main(), and parser_opt().

points_per_inch

const long double points_per_inch = 72.27

static

Definition at line 63 of file treepic_utils.H.

resolution

long double resolution = 0.05

Definition at line 72 of file treepic_utils.H.

Referenced by adjust_size_by_tags(), compute_picture_size(), font_height(), font_width(), generate_prologue(), generate_split_lines(), generate_tree(), generate_tree(), main(), parser_opt(), print_parameters(), read_parameters(), and save_parameters().

sin_45

const long double sin_45 = sin(M_PI_4)

Definition at line 57 of file treepic_utils.H.

Referenced by generate_tree(), and generate_tree().

tiny_keys

bool tiny_keys = false

Global flag to enable tiny font size for keys/labels.

When set to true, text labels will be rendered using LaTeX's \tiny font size modifier. Useful for dense diagrams with many labels.

Definition at line 76 of file treepic_utils.H.

Referenced by Eepic_Plane::draw_text(), main(), and put_string().

v_size

double v_size

extern

Definition at line 156 of file btreepic.C.

Referenced by adjust_size_by_tags(), compute_coordinates_for_forest_and_set_picture_size(), compute_picture_size(), generate_picture(), generate_prologue(), generate_split_lines(), main(), print_parameters(), read_parameters(), save_parameters(), set_picture_size(), and YPIC().

with_arrow

bool with_arrow = false

Definition at line 323 of file treepic_utils.H.

Referenced by draw_arc(), draw_arc_tikz(), generate_tree(), generate_tree(), main(), and parser_opt().