1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
//
// "$Id$"
//
// Line style demo for the Fast Light Tool Kit (FLTK).
//
// Copyright 2000-2010 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:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Value_Slider.H>
#include <FL/fl_draw.H>
#include <FL/Fl_Choice.H>
#include <FL/Fl_Check_Button.H>
#include <FL/Fl_Box.H>
Fl_Double_Window *form;
Fl_Slider *sliders[9];
Fl_Choice *choice[3];
Fl_Check_Button *draw_line;
class test_box: public Fl_Double_Window {
void draw();
public:
test_box(int x,int y,int w,int h,const char *l=0)
: Fl_Double_Window(x,y,w,h,l) {}
}*test;
void test_box::draw() {
Fl_Double_Window::draw();
fl_color((uchar)(sliders[0]->value()),
(uchar)(sliders[1]->value()),
(uchar)(sliders[2]->value()));
// dashes
char dashes[5];
dashes[0] = char(sliders[5]->value());
dashes[1] = char(sliders[6]->value());
dashes[2] = char(sliders[7]->value());
dashes[3] = char(sliders[8]->value());
dashes[4] = 0;
fl_line_style(
choice[0]->mvalue()->argument() +
choice[1]->mvalue()->argument() +
choice[2]->mvalue()->argument(),
long(sliders[3]->value()), // width
dashes);
// draw the defined fl_rect and fl_vertex first and then
// the additional one-pixel line, if enabled
// sliders[4] = x/y coordinate translation (default = 10)
for (int i=0; i<draw_line->value()+1; i++) {
int move = (int)sliders[4]->value();
fl_rect(move,move,w()-20,h()-20);
fl_begin_line();
fl_vertex(move+25, move+25);
fl_vertex(w()-45+move, h()-45+move);
fl_vertex(w()-50+move, move+25);
fl_vertex(move+25, h()/2-10+move);
fl_end_line();
// you must reset the line type when done:
fl_line_style(FL_SOLID);
fl_color(FL_BLACK);
}
}
Fl_Menu_Item style_menu[] = {
{"FL_SOLID", 0, 0, (void*)FL_SOLID},
{"FL_DASH", 0, 0, (void*)FL_DASH},
{"FL_DOT", 0, 0, (void*)FL_DOT},
{"FL_DASHDOT",0, 0, (void*)FL_DASHDOT},
{"FL_DASHDOTDOT", 0, 0, (void*)FL_DASHDOTDOT},
{0}
};
Fl_Menu_Item cap_menu[] = {
{"default", 0, 0, 0},
{"FL_CAP_FLAT", 0, 0, (void*)FL_CAP_FLAT},
{"FL_CAP_ROUND", 0, 0, (void*)FL_CAP_ROUND},
{"FL_CAP_SQUARE", 0, 0, (void*)FL_CAP_SQUARE},
{0}
};
Fl_Menu_Item join_menu[] = {
{"default", 0, 0, 0},
{"FL_JOIN_MITER", 0, 0, (void*)FL_JOIN_MITER},
{"FL_JOIN_ROUND", 0, 0, (void*)FL_JOIN_ROUND},
{"FL_JOIN_BEVEL", 0, 0, (void*)FL_JOIN_BEVEL},
{0}
};
void do_redraw(Fl_Widget*,void*)
{
test->redraw();
}
void makeform(const char *) {
form = new Fl_Double_Window(500,250,"fl_line_style() test");
sliders[0]= new Fl_Value_Slider(280,10,180,20,"R");
sliders[0]->bounds(0,255);
sliders[1]= new Fl_Value_Slider(280,30,180,20,"G");
sliders[1]->bounds(0,255);
sliders[2]= new Fl_Value_Slider(280,50,180,20,"B");
sliders[2]->bounds(0,255);
choice[0]= new Fl_Choice(280,70,180,20,"Style");
choice[0]->menu(style_menu);
choice[1]= new Fl_Choice(280,90,180,20,"Cap");
choice[1]->menu(cap_menu);
choice[2]= new Fl_Choice(280,110,180,20,"Join");
choice[2]->menu(join_menu);
sliders[3]= new Fl_Value_Slider(280,130,180,20,"Width");
sliders[3]->bounds(0,20);
sliders[4]= new Fl_Value_Slider(280,150,180,20,"Move");
sliders[4]->bounds(-10,20);
draw_line = new Fl_Check_Button(280,170,20,20,"&Line");
draw_line->align(FL_ALIGN_LEFT);
new Fl_Box (305,170,160,20,"add a 1-pixel black line");
sliders[5] = new Fl_Slider(200,210,70,20,"Dash");
sliders[5]->align(FL_ALIGN_TOP_LEFT);
sliders[5]->bounds(0,40);
sliders[6] = new Fl_Slider(270,210,70,20);
sliders[6]->bounds(0,40);
sliders[7] = new Fl_Slider(340,210,70,20);
sliders[7]->bounds(0,40);
sliders[8] = new Fl_Slider(410,210,70,20);
sliders[8]->bounds(0,40);
int i;
for (i=0;i<9;i++) {
sliders[i]->type(1);
if (i<5) sliders[i]->align(FL_ALIGN_LEFT);
sliders[i]->callback((Fl_Callback*)do_redraw);
sliders[i]->step(1);
}
sliders[0]->value(255); // R
sliders[1]->value(100); // G
sliders[2]->value(100); // B
sliders[4]->value(10); // move line coordinates
draw_line->value(0);
draw_line->callback((Fl_Callback*)do_redraw);
for (i=0;i<3;i++) {
choice[i]->value(0);
choice[i]->callback((Fl_Callback*)do_redraw);
}
test = new test_box(0,0,200,200);
test->end();
form->resizable(test);
form->end();
}
int main(int argc, char **argv) {
makeform(argv[0]);
form->show(argc,argv);
return Fl::run();
}
//
// End of "$Id$".
//
|
