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
|
//
// "$Id: line_style.cxx 5519 2006-10-11 03:12:15Z mike $"
//
// Line style demo for the Fast Light Tool Kit (FLTK).
//
// Copyright 2000-2005 by Bill Spitzak and others.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Value_Slider.H>
#include <FL/fl_draw.H>
#include <FL/Fl_Choice.H>
Fl_Window *form;
Fl_Slider *sliders[8];
Fl_Choice *choice[3];
class test_box: public Fl_Window {
void draw();
public:
test_box(int x,int y,int w,int h,const char *l=0)
: Fl_Window(x,y,w,h,l) {}
}*test;
void test_box::draw() {
Fl_Window::draw();
fl_color((uchar)(sliders[0]->value()),
(uchar)(sliders[1]->value()),
(uchar)(sliders[2]->value()));
char buf[5];
buf[0] = char(sliders[4]->value());
buf[1] = char(sliders[5]->value());
buf[2] = char(sliders[6]->value());
buf[3] = char(sliders[7]->value());
buf[4] = 0;
fl_line_style(
(long)(choice[0]->mvalue()->user_data()) +
(long)(choice[1]->mvalue()->user_data()) +
(long)(choice[2]->mvalue()->user_data()),
(long)(sliders[3]->value()),
buf);
fl_rect(10,10,w()-20,h()-20);
fl_begin_line();
fl_vertex(35, 35);
fl_vertex(w()-35, h()-35);
fl_vertex(w()-40, 35);
fl_vertex(35, h()/2);
fl_end_line();
// you must reset the line type when done:
fl_line_style(FL_SOLID);
}
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_Window(500,210,"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_Slider(200,170,70,20,"Dash");
sliders[4]->align(FL_ALIGN_TOP_LEFT);
sliders[4]->bounds(0,40);
sliders[5] = new Fl_Slider(270,170,70,20);
sliders[5]->bounds(0,40);
sliders[6] = new Fl_Slider(340,170,70,20);
sliders[6]->bounds(0,40);
sliders[7] = new Fl_Slider(410,170,70,20);
sliders[7]->bounds(0,40);
int i;
for (i=0;i<8;i++) {
sliders[i]->type(1);
if (i<4) sliders[i]->align(FL_ALIGN_LEFT);
sliders[i]->callback((Fl_Callback*)do_redraw);
sliders[i]->step(1);
}
for (i=0;i<3;i++) {
choice[i]->value(0);
choice[i]->callback((Fl_Callback*)do_redraw);
}
test=new test_box(10,10,190,190);
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: line_style.cxx 5519 2006-10-11 03:12:15Z mike $".
//
|
