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fltk/src/fl_symbols.cxx

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//
// Symbol drawing code for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2010 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
// These are small graphics drawn by the normal label-drawing
// code when the string starts with an '@' sign.
// Adapted from original code written by:
// Written by Mark Overmars
// Version 2.1 a
// Date: Oct 2, 1992
#include <FL/Fl.H>
#include <FL/fl_draw.H>
#include <FL/math.h>
#include "flstring.h"
typedef struct {
const char *name;
void (*drawit)(Fl_Color);
char scalable;
char notempty;
} SYMBOL;
#define MAXSYMBOL 211
/* Maximal number of symbols in table. Only half of them are
used. Should be prime. */
static SYMBOL symbols[MAXSYMBOL]; /* The symbols */
static int symbnumb = -1; /* Their number */
static int find(const char *name) {
// returns hash entry if it exists, or first empty slot:
int pos = name[0] ? (
name[1] ? (
name[2] ? 71*name[0]+31*name[1]+name[2] : 31*name[0]+name[1]
) :
name[0]
) : 0;
pos %= MAXSYMBOL;
int hh2 = name[0] ? (
(name[1]) ? 51*name[0]+3*name[1] : 3*name[0]
) : 1;
hh2 %= MAXSYMBOL; if (!hh2) hh2 = 1;
for (;;) {
if (!symbols[pos].notempty) return pos;
if (!strcmp(symbols[pos].name,name)) return pos;
pos = (pos + hh2) % MAXSYMBOL;
}
}
static void fl_init_symbols(void);
/**************** The routines seen by the user *************************/
/**
Adds a symbol to the system.
\param[in] name name of symbol (without the "@")
\param[in] drawit function to draw symbol
\param[in] scalable set to 1 if \p drawit uses scalable vector drawing
\returns 1 on success, 0 on failure
*/
int fl_add_symbol(const char *name, void (*drawit)(Fl_Color), int scalable)
{
fl_init_symbols();
int pos;
if (symbnumb > MAXSYMBOL / 2) return 0; // table is full
pos = find(name);
symbols[pos].name = name;
symbols[pos].drawit = drawit;
symbols[pos].notempty = 1;
symbols[pos].scalable = scalable;
symbnumb++;
return 1;
}
int fl_return_arrow(int x,int y,int w,int h);
/**
Draw the named symbol in the given rectangle using the given color
\param[in] label name of symbol
\param[in] x,y position of symbol
\param[in] w,h size of symbol
\param[in] col color of symbox
\returns 1 on success, 0 on failure
*/
// provided for back compatibility:
int fl_draw_symbol(const char *label,int x,int y,int w,int h,Fl_Color col) {
const char *p = label;
if (*p++ != '@') return 0;
fl_init_symbols();
int equalscale = 0;
if (*p == '#') {equalscale = 1; p++;}
if (*p == '-' && p[1]>='1' && p[1]<='9') {
int n = p[1]-'0';
x += n; y += n; w -= 2*n; h -= 2*n;
p += 2;
} else if (*p == '+' && p[1]>='1' && p[1]<='9') {
int n = p[1]-'0';
x -= n; y -= n; w += 2*n; h += 2*n;
p += 2;
}
if (w < 10) {x -= (10-w)/2; w = 10;}
if (h < 10) {y -= (10-h)/2; h = 10;}
w = (w-1)|1; h = (h-1)|1;
char flip_x = 0, flip_y = 0;
if (*p=='$') {
flip_x = 1;
p++;
}
if (*p=='%') {
flip_y = 1;
p++;
}
int rotangle;
switch (*p++) {
case '0':
rotangle = 1000*(p[1]-'0') + 100*(p[2]-'0') + 10*(p[3]-'0');
p += 4;
break;
case '1': rotangle = 2250; break;
case '2': rotangle = 2700; break;
case '3': rotangle = 3150; break;
case '4': rotangle = 1800; break;
case '5':
case '6': rotangle = 0; break;
case '7': rotangle = 1350; break;
case '8': rotangle = 900; break;
case '9': rotangle = 450; break;
default: rotangle = 0; p--; break;
}
int pos = find(p);
if (!symbols[pos].notempty) return 0;
if (symbols[pos].scalable == 3) { // kludge to detect return arrow
fl_return_arrow(x,y,w,h);
return 1;
}
fl_push_matrix();
fl_translate(x+w/2,y+h/2);
if (symbols[pos].scalable) {
if (equalscale) {if (w<h) h = w; else w = h;}
fl_scale(0.5*w, 0.5*h);
fl_rotate(rotangle/10.0);
if (flip_x) fl_scale(-1.0, 1.0);
if (flip_y) fl_scale(1.0, -1.0);
}
(symbols[pos].drawit)(col);
fl_pop_matrix();
return 1;
}
/******************** THE DEFAULT SYMBOLS ****************************/
/* Some help stuff */
#define BP fl_begin_polygon()
#define EP fl_end_polygon()
#define BCP fl_begin_complex_polygon()
#define ECP fl_end_complex_polygon()
#define BL fl_begin_line()
#define EL fl_end_line()
#define BC fl_begin_loop()
#define EC fl_end_loop()
#define vv(x,y) fl_vertex(x,y)
//for the outline color
static void set_outline_color(Fl_Color c) {
fl_color(fl_darker(c));
}
static void rectangle(double x,double y,double x2,double y2,Fl_Color col) {
fl_color(col);
BP; vv(x,y); vv(x2,y); vv(x2,y2); vv(x,y2); EP;
set_outline_color(col);
BC; vv(x,y); vv(x2,y); vv(x2,y2); vv(x,y2); EC;
}
/* The drawing routines */
static void draw_fltk(Fl_Color col)
{
fl_color(col);
// F fill
BCP; vv(-2.0, -0.5); vv(-1.0, -0.5); vv(-1.0, -0.3); vv(-1.8, -0.3);
vv(-1.8, -0.1); vv(-1.2, -0.1); vv(-1.2, 0.1); vv(-1.8, 0.1);
vv(-1.8, 0.5); vv(-2.0, 0.5); ECP;
// L fill
BCP; vv(-1.0, -0.5); vv(-0.8, -0.5); vv(-0.8, 0.3); vv(0.0, 0.3);
vv(0.0, 0.5); vv(-1.0, 0.5); ECP;
// T outline
BCP; vv(-0.1, -0.5); vv(1.1, -0.5); vv(1.1, -0.3); vv(0.6, -0.3);
vv(0.6, 0.5); vv(0.4, 0.5); vv(0.4, -0.3); vv(-0.1, -0.3); ECP;
// K outline
BCP; vv(1.1, -0.5); vv(1.3, -0.5); vv(1.3, -0.15); vv(1.70, -0.5);
vv(2.0, -0.5); vv(1.43, 0.0); vv(2.0, 0.5); vv(1.70, 0.5);
vv(1.3, 0.15); vv(1.3, 0.5); vv(1.1, 0.5); ECP;
set_outline_color(col);
// F outline
BC; vv(-2.0, -0.5); vv(-1.0, -0.5); vv(-1.0, -0.3); vv(-1.8, -0.3);
vv(-1.8, -0.1); vv(-1.2, -0.1); vv(-1.2, 0.1); vv(-1.8, 0.1);
vv(-1.8, 0.5); vv(-2.0, 0.5); EC;
// L outline
BC; vv(-1.0, -0.5); vv(-0.8, -0.5); vv(-0.8, 0.3); vv(0.0, 0.3);
vv(0.0, 0.5); vv(-1.0, 0.5); EC;
// T outline
BC; vv(-0.1, -0.5); vv(1.1, -0.5); vv(1.1, -0.3); vv(0.6, -0.3);
vv(0.6, 0.5); vv(0.4, 0.5); vv(0.4, -0.3); vv(-0.1, -0.3); EC;
// K outline
BC; vv(1.1, -0.5); vv(1.3, -0.5); vv(1.3, -0.15); vv(1.70, -0.5);
vv(2.0, -0.5); vv(1.43, 0.0); vv(2.0, 0.5); vv(1.70, 0.5);
vv(1.3, 0.15); vv(1.3, 0.5); vv(1.1, 0.5); EC;
}
static void draw_search(Fl_Color col)
{
fl_color(col);
BP; vv(-.4, .13); vv(-1.0, .73); vv(-.73, 1.0); vv(-.13, .4); EP;
set_outline_color(col);
fl_line_style(FL_SOLID, 3, 0);
BC; fl_circle(.2, -.2, .6); EC;
fl_line_style(FL_SOLID, 1, 0);
BC; vv(-.4, .13); vv(-1.0, .73); vv(-.73, 1.0); vv(-.13, .4); EC;
}
static void draw_arrow1(Fl_Color col)
{
fl_color(col);
if (fl_graphics_driver->can_fill_non_convex_polygon()) {
// draw the arrow as a 7-vertex filled polygon
BP; vv(-0.8,-0.4); vv(-0.8,0.4); vv(0.0,0.4); vv(0.0,0.8); vv(0.8,0.0);
vv(0.0,-0.8); vv(0.0,-0.4); EP;
} else {
// draw the arrow as a rectangle plus a triangle
BP; vv(-0.8,-0.4); vv(-0.8,0.4); vv(0.0,0.4); vv(0.0,-0.4); EP;
BP; vv(0.0,0.8); vv(0.8,0.0); vv(0.0,-0.8); vv(0.0,-0.4); vv(0.0,0.4); EP;
}
set_outline_color(col);
BC; vv(-0.8,-0.4); vv(-0.8,0.4); vv(0.0,0.4); vv(0.0,0.8); vv(0.8,0.0);
vv(0.0,-0.8); vv(0.0,-0.4); EC;
}
static void draw_arrow1bar(Fl_Color col)
{
draw_arrow1(col);
rectangle(.6,-.8,.9,.8,col);
}
static void draw_arrow2(Fl_Color col)
{
fl_color(col);
BP; vv(-0.3,0.8); vv(0.50,0.0); vv(-0.3,-0.8); EP;
set_outline_color(col);
BC; vv(-0.3,0.8); vv(0.50,0.0); vv(-0.3,-0.8); EC;
}
static void draw_arrow3(Fl_Color col)
{
fl_color(col);
BP; vv(0.1,0.8); vv(0.9,0.0); vv(0.1,-0.8); EP;
BP; vv(-0.7,0.8); vv(0.1,0.0); vv(-0.7,-0.8); EP;
set_outline_color(col);
BC; vv(0.1,0.8); vv(0.9,0.0); vv(0.1,-0.8); EC;
BC; vv(-0.7,0.8); vv(0.1,0.0); vv(-0.7,-0.8); EC;
}
static void draw_arrowbar(Fl_Color col)
{
fl_color(col);
BP; vv(0.2,0.8); vv(0.6,0.8); vv(0.6,-0.8); vv(0.2,-0.8); EP;
BP; vv(-0.6,0.8); vv(0.2,0.0); vv(-0.6,-0.8); EP;
set_outline_color(col);
BC; vv(0.2,0.8); vv(0.6,0.8); vv(0.6,-0.8); vv(0.2,-0.8); EC;
BC; vv(-0.6,0.8); vv(0.2,0.0); vv(-0.6,-0.8); EC;
}
static void draw_arrowbox(Fl_Color col)
{
fl_color(col);
BP; vv(-0.6,0.8); vv(0.2,0.0); vv(-0.6,-0.8); EP;
BC; vv(0.2,0.8); vv(0.6,0.8); vv(0.6,-0.8); vv(0.2,-0.8); EC;
set_outline_color(col);
BC; vv(0.2,0.8); vv(0.6,0.8); vv(0.6,-0.8); vv(0.2,-0.8); EC;
BC; vv(-0.6,0.8); vv(0.2,0.0); vv(-0.6,-0.8); EC;
}
static void draw_bararrow(Fl_Color col)
{
fl_color(col);
BP; vv(0.1,0.8); vv(0.9,0.0); vv(0.1,-0.8); EP;
BP; vv(-0.5,0.8); vv(-0.1,0.8); vv(-0.1,-0.8); vv(-0.5,-0.8); EP;
set_outline_color(col);
BC; vv(0.1,0.8); vv(0.9,0.0); vv(0.1,-0.8); EC;
BC; vv(-0.5,0.8); vv(-0.1,0.8); vv(-0.1,-0.8); vv(-0.5,-0.8); EC;
}
static void draw_doublebar(Fl_Color col) {
rectangle(-0.6,-0.8,-.1,.8,col);
rectangle(.1,-0.8,.6,.8,col);
}
static void draw_arrow01(Fl_Color col)
{ fl_rotate(180); draw_arrow1(col); }
static void draw_arrow02(Fl_Color col)
{ fl_rotate(180); draw_arrow2(col); }
static void draw_arrow03(Fl_Color col)
{ fl_rotate(180); draw_arrow3(col); }
static void draw_0arrowbar(Fl_Color col)
{ fl_rotate(180); draw_arrowbar(col); }
static void draw_0arrowbox(Fl_Color col)
{ fl_rotate(180); draw_arrowbox(col); }
static void draw_0bararrow(Fl_Color col)
{ fl_rotate(180); draw_bararrow(col); }
static void draw_doublearrow(Fl_Color col)
{
fl_color(col);
BP; vv(-0.35,-0.4); vv(-0.35,0.4); vv(0.35,0.4); vv(0.35,-0.4); EP;
BP; vv(0.15,0.8); vv(0.95,0.0); vv(0.15,-0.8); EP;
BP; vv(-0.15,0.8); vv(-0.95,0.0); vv(-0.15,-0.8); EP;
set_outline_color(col);
BC; vv(-0.15,0.4); vv(0.15,0.4); vv(0.15,0.8); vv(0.95,0.0);
vv(0.15,-0.8); vv(0.15,-0.4); vv(-0.15,-0.4); vv(-0.15,-0.8);
vv(-0.95,0.0); vv(-0.15,0.8); EC;
}
static void draw_arrow(Fl_Color col)
{
fl_color(col);
BP; vv(0.65,0.1); vv(1.0,0.0); vv(0.65,-0.1); EP;
BL; vv(-1.0,0.0); vv(0.65,0.0); EL;
set_outline_color(col);
BL; vv(-1.0,0.0); vv(0.65,0.0); EL;
BC; vv(0.65,0.1); vv(1.0,0.0); vv(0.65,-0.1); EC;
}
static void draw_square(Fl_Color col)
{ rectangle(-1,-1,1,1,col); }
static void draw_circle(Fl_Color col) {
fl_color(col); BP; fl_circle(0,0,1); EP;
set_outline_color(col);
BC; fl_circle(0,0,1); EC;
}
static void draw_line(Fl_Color col)
{ fl_color(col); BL; vv(-1.0,0.0); vv(1.0,0.0); EL; }
static void draw_plus(Fl_Color col)
{
fl_color(col);
BP; vv(-0.9,-0.15); vv(-0.9,0.15); vv(0.9,0.15); vv(0.9,-0.15); EP;
BP; vv(-0.15,-0.9); vv(-0.15,0.9); vv(0.15,0.9); vv(0.15,-0.9); EP;
set_outline_color(col);
BC;
vv(-0.9,-0.15); vv(-0.9,0.15); vv(-0.15,0.15); vv(-0.15,0.9);
vv(0.15,0.9); vv(0.15,0.15); vv(0.9,0.15); vv(0.9,-0.15);
vv(0.15,-0.15); vv(0.15,-0.9); vv(-0.15,-0.9); vv(-0.15,-0.15);
EC;
}
static void draw_uparrow(Fl_Color) {
fl_color(FL_LIGHT3);
BL; vv(-.8,.8); vv(-.8,-.8); vv(.8,0); EL;
fl_color(FL_DARK3);
BL; vv(-.8,.8); vv(.8, 0); EL;
}
static void draw_downarrow(Fl_Color) {
fl_color(FL_DARK3);
BL; vv(-.8,.8); vv(-.8,-.8); vv(.8,0); EL;
fl_color(FL_LIGHT3);
BL; vv(-.8,.8); vv(.8, 0); EL;
}
static void draw_menu(Fl_Color col)
{
rectangle(-0.65, 0.85, 0.65, -0.25, col);
rectangle(-0.65, -0.6, 0.65, -1.0, col);
}
// Standard UI icons...
static void draw_filenew(Fl_Color c) {
fl_color(c);
BCP;
vv(-0.7, -1.0);
vv(0.1, -1.0);
vv(0.1, -0.4);
vv(0.7, -0.4);
vv(0.7, 1.0);
vv(-0.7, 1.0);
ECP;
fl_color(fl_lighter(c));
BP;
vv(0.1, -1.0);
vv(0.1, -0.4);
vv(0.7, -0.4);
EP;
fl_color(fl_darker(c));
BC;
vv(-0.7, -1.0);
vv(0.1, -1.0);
vv(0.1, -0.4);
vv(0.7, -0.4);
vv(0.7, 1.0);
vv(-0.7, 1.0);
EC;
BL;
vv(0.1, -1.0);
vv(0.7, -0.4);
EL;
}
static void draw_fileopen(Fl_Color c) {
fl_color(c);
BP;
vv(-1.0, -0.7);
vv(-0.9, -0.8);
vv(-0.4, -0.8);
vv(-0.3, -0.7);
vv(0.6, -0.7);
vv(0.6, 0.7);
vv(-1.0, 0.7);
EP;
fl_color(fl_darker(c));
BC;
vv(-1.0, -0.7);
vv(-0.9, -0.8);
vv(-0.4, -0.8);
vv(-0.3, -0.7);
vv(0.6, -0.7);
vv(0.6, 0.7);
vv(-1.0, 0.7);
EC;
fl_color(fl_lighter(c));
BP;
vv(-1.0, 0.7);
vv(-0.6, -0.3);
vv(1.0, -0.3);
vv(0.6, 0.7);
EP;
fl_color(fl_darker(c));
BC;
vv(-1.0, 0.7);
vv(-0.6, -0.3);
vv(1.0, -0.3);
vv(0.6, 0.7);
EC;
}
static void draw_filesave(Fl_Color c) {
fl_color(c);
BP;
vv(-0.9, -1.0);
vv(0.9, -1.0);
vv(1.0, -0.9);
vv(1.0, 0.9);
vv(0.9, 1.0);
vv(-0.9, 1.0);
vv(-1.0, 0.9);
vv(-1.0, -0.9);
EP;
fl_color(fl_lighter(c));
BP;
vv(-0.7, -1.0);
vv(0.7, -1.0);
vv(0.7, -0.4);
vv(-0.7, -0.4);
EP;
BP;
vv(-0.7, 0.0);
vv(0.7, 0.0);
vv(0.7, 1.0);
vv(-0.7, 1.0);
EP;
fl_color(c);
BP;
vv(-0.5, -0.9);
vv(-0.3, -0.9);
vv(-0.3, -0.5);
vv(-0.5, -0.5);
EP;
fl_color(fl_darker(c));
BC;
vv(-0.9, -1.0);
vv(0.9, -1.0);
vv(1.0, -0.9);
vv(1.0, 0.9);
vv(0.9, 1.0);
vv(-0.9, 1.0);
vv(-1.0, 0.9);
vv(-1.0, -0.9);
EC;
}
static void draw_filesaveas(Fl_Color c) {
draw_filesave(c);
fl_color(fl_color_average(c, FL_WHITE, 0.25f));
BP;
vv(0.6, -0.8);
vv(1.0, -0.4);
vv(0.0, 0.6);
vv(-0.4, 0.6);
vv(-0.4, 0.2);
EP;
fl_color(fl_darker(c));
BC;
vv(0.6, -0.8);
vv(1.0, -0.4);
vv(0.0, 0.6);
vv(-0.4, 0.6);
vv(-0.4, 0.2);
EC;
BP;
vv(-0.1, 0.6);
vv(-0.4, 0.6);
vv(-0.4, 0.3);
EP;
}
static void draw_fileprint(Fl_Color c) {
fl_color(c);
BP;
vv(-0.8, 0.0);
vv(0.8, 0.0);
vv(1.0, 0.2);
vv(1.0, 1.0);
vv(-1.0, 1.0);
vv(-1.0, 0.2);
EP;
fl_color(fl_color_average(c, FL_WHITE, 0.25f));
BP;
vv(-0.6, 0.0);
vv(-0.6, -1.0);
vv(0.6, -1.0);
vv(0.6, 0.0);
EP;
fl_color(fl_lighter(c));
BP;
vv(-0.6, 0.6);
vv(0.6, 0.6);
vv(0.6, 1.0);
vv(-0.6, 1.0);
EP;
fl_color(fl_darker(c));
BC;
vv(-0.8, 0.0);
vv(-0.6, 0.0);
vv(-0.6, -1.0);
vv(0.6, -1.0);
vv(0.6, 0.0);
vv(0.8, 0.0);
vv(1.0, 0.2);
vv(1.0, 1.0);
vv(-1.0, 1.0);
vv(-1.0, 0.2);
EC;
BC;
vv(-0.6, 0.6);
vv(0.6, 0.6);
vv(0.6, 1.0);
vv(-0.6, 1.0);
EC;
}
static void draw_round_arrow(Fl_Color c, float da=5.0) {
double a, r, dr1=0.005, dr2=0.015;
int i, j;
for (j=0; j<2; j++) {
if (j&1) {
fl_color(c);
set_outline_color(c);
BC;
} else {
fl_color(c);
BCP;
}
vv(-0.1, 0.0);
vv(-1.0, 0.0);
vv(-1.0, 0.9);
for (i=27, a=140.0, r=1.0; i>0; i--, a-=da, r-=dr1) {
double ar = a/180.0 * M_PI;
vv(cos(ar)*r, sin(ar)*r);
}
for (i=27; i>=0; a+=da, i--, r-=dr2) {
double ar = a/180.0 * M_PI;
vv(cos(ar)*r, sin(ar)*r);
}
if (j&1) {
EC;
} else {
ECP;
}
}
}
static void draw_refresh(Fl_Color c) {
draw_round_arrow(c);
fl_rotate(180.0);
draw_round_arrow(c);
fl_rotate(-180.0);
}
static void draw_reload(Fl_Color c) {
fl_rotate(-135.0);
draw_round_arrow(c, 10);
fl_rotate(135.0);
}
static void draw_undo(Fl_Color c) {
fl_translate(0.0, 0.2);
fl_scale(1.0, -1.0);
draw_round_arrow(c, 6);
fl_scale(1.0, -1.0);
fl_translate(0.0, -0.2);
}
static void draw_redo(Fl_Color c) {
fl_scale(-1.0, 1.0);
draw_undo(c);
fl_scale(-1.0, 1.0);
}
static void draw_open_box(Fl_Color col) {
fl_color(col);
BCP;
vv(-1.0, -1.0); vv(-0.4, -1.0); vv(-0.4, -0.75); vv(-0.75, -0.75);
vv(-0.75, 0.75); vv(0.75, 0.75); vv(0.75, 0.4); vv(1.0, 0.4); vv(1.0, 1.0);
vv(-1.0, 1.0);
ECP;
set_outline_color(col);
BC;
vv(-1.0, -1.0); vv(-0.4, -1.0); vv(-0.4, -0.75); vv(-0.75, -0.75);
vv(-0.75, 0.75); vv(0.75, 0.75); vv(0.75, 0.4); vv(1.0, 0.4); vv(1.0, 1.0);
vv(-1.0, 1.0);
EC;
}
static void draw_import(Fl_Color col)
{
fl_push_matrix();
fl_scale(-1.0, 1.0);
draw_open_box(col);
fl_scale(-1.0, 1.0);
fl_translate(-0.8, -0.3);
fl_rotate(45.0+90);
draw_round_arrow(col, 3);
fl_pop_matrix();
}
static void draw_export(Fl_Color col)
{
draw_open_box(col);
fl_push_matrix();
fl_translate(0.7, 0.1);
fl_rotate(225.0);
draw_round_arrow(col, 3);
fl_pop_matrix();
}
static void fl_init_symbols(void) {
static char beenhere;
if (beenhere) return;
beenhere = 1;
symbnumb = 0;
fl_add_symbol("", draw_arrow1, 1);
fl_add_symbol("->", draw_arrow1, 1);
fl_add_symbol(">", draw_arrow2, 1);
fl_add_symbol(">>", draw_arrow3, 1);
fl_add_symbol(">|", draw_arrowbar, 1);
fl_add_symbol(">[]", draw_arrowbox, 1);
fl_add_symbol("|>", draw_bararrow, 1);
fl_add_symbol("<-", draw_arrow01, 1);
fl_add_symbol("<", draw_arrow02, 1);
fl_add_symbol("<<", draw_arrow03, 1);
fl_add_symbol("|<", draw_0arrowbar, 1);
fl_add_symbol("[]<", draw_0arrowbox, 1);
fl_add_symbol("<|", draw_0bararrow, 1);
fl_add_symbol("<->", draw_doublearrow, 1);
fl_add_symbol("-->", draw_arrow, 1);
fl_add_symbol("+", draw_plus, 1);
fl_add_symbol("->|", draw_arrow1bar, 1);
fl_add_symbol("arrow", draw_arrow, 1);
fl_add_symbol("returnarrow", 0, 3);
fl_add_symbol("square", draw_square, 1);
fl_add_symbol("circle", draw_circle, 1);
fl_add_symbol("line", draw_line, 1);
fl_add_symbol("plus", draw_plus, 1);
fl_add_symbol("menu", draw_menu, 1);
fl_add_symbol("UpArrow", draw_uparrow, 1);
fl_add_symbol("DnArrow", draw_downarrow, 1);
fl_add_symbol("||", draw_doublebar, 1);
fl_add_symbol("search", draw_search, 1);
fl_add_symbol("FLTK", draw_fltk, 1);
fl_add_symbol("filenew", draw_filenew, 1);
fl_add_symbol("fileopen", draw_fileopen, 1);
fl_add_symbol("filesave", draw_filesave, 1);
fl_add_symbol("filesaveas", draw_filesaveas, 1);
fl_add_symbol("fileprint", draw_fileprint, 1);
fl_add_symbol("refresh", draw_refresh, 1);
fl_add_symbol("reload", draw_reload, 1);
fl_add_symbol("undo", draw_undo, 1);
fl_add_symbol("redo", draw_redo, 1);
fl_add_symbol("import", draw_import, 1);
fl_add_symbol("export", draw_export, 1);
// fl_add_symbol("file", draw_file, 1);
}
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