1 //
2 // "$Id: fl_diamond_box.cxx 5190 2006-06-09 16:16:34Z mike $"
3 //
4 // Diamond box code for the Fast Light Tool Kit (FLTK).
5 //
6 // Copyright 1998-2005 by Bill Spitzak and others.
7 //
8 // This library is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public
10 // License as published by the Free Software Foundation; either
11 // version 2 of the License, or (at your option) any later version.
12 //
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Library General Public License for more details.
17 //
18 // You should have received a copy of the GNU Library General Public
19 // License along with this library; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
21 // USA.
22 //
23 // Please report all bugs and problems on the following page:
24 //
25 // http://www.fltk.org/str.php
26 //
27
28 // Box drawing code for an obscure box type.
29 // These box types are in seperate files so they are not linked
30 // in if not used.
31
32 // The diamond box draws best if the area is square!
33
34 #include <FL/Fl.H>
35 #include <FL/fl_draw.H>
36
37 extern uchar* fl_gray_ramp();
38
fl_diamond_up_box(int x,int y,int w,int h,Fl_Color bgcolor)39 static void fl_diamond_up_box(int x,int y,int w,int h,Fl_Color bgcolor) {
40 w &= -2;
41 h &= -2;
42 int x1 = x+w/2;
43 int y1 = y+h/2;
44 fl_color(bgcolor); fl_polygon(x+3, y1, x1,y+3, x+w-3,y1, x1,y+h-3);
45 uchar *g = fl_gray_ramp();
46 fl_color(g['W']); fl_line(x+1, y1, x1, y+1, x+w-1, y1);
47 fl_color(g['U']); fl_line(x+2, y1, x1, y+2, x+w-2, y1);
48 fl_color(g['S']); fl_line(x+3, y1, x1, y+3, x+w-3, y1);
49 fl_color(g['P']); fl_line(x+3, y1, x1, y+h-3, x+w-3, y1);
50 fl_color(g['N']); fl_line(x+2, y1, x1, y+h-2, x+w-2, y1);
51 fl_color(g['H']); fl_line(x+1, y1, x1, y+h-1, x+w-1, y1);
52 fl_color(g['A']); fl_loop(x, y1, x1, y, x+w, y1, x1, y+h);
53 }
54
fl_diamond_down_box(int x,int y,int w,int h,Fl_Color bgcolor)55 static void fl_diamond_down_box(int x,int y,int w,int h,Fl_Color bgcolor) {
56 w &= -2;
57 h &= -2;
58 int x1 = x+w/2;
59 int y1 = y+h/2;
60 uchar *g = fl_gray_ramp();
61 fl_color(g['P']); fl_line(x+0, y1, x1, y+0, x+w-0, y1);
62 fl_color(g['N']); fl_line(x+1, y1, x1, y+1, x+w-1, y1);
63 fl_color(g['H']); fl_line(x+2, y1, x1, y+2, x+w-2, y1);
64 fl_color(g['W']); fl_line(x+2, y1, x1, y+h-2, x+w-2, y1);
65 fl_color(g['U']); fl_line(x+1, y1, x1, y+h-1, x+w-1, y1);
66 fl_color(g['S']); fl_line(x+0, y1, x1, y+h-0, x+w-0, y1);
67 fl_color(bgcolor); fl_polygon(x+3, y1, x1,y+3, x+w-3,y1, x1,y+h-3);
68 fl_color(g['A']); fl_loop(x+3, y1, x1, y+3, x+w-3, y1, x1, y+h-3);
69 }
70
71 extern void fl_internal_boxtype(Fl_Boxtype, Fl_Box_Draw_F*);
fl_define_FL_DIAMOND_BOX()72 Fl_Boxtype fl_define_FL_DIAMOND_BOX() {
73 fl_internal_boxtype(_FL_DIAMOND_DOWN_BOX, fl_diamond_down_box);
74 fl_internal_boxtype(_FL_DIAMOND_UP_BOX,fl_diamond_up_box);
75 return _FL_DIAMOND_UP_BOX;
76 }
77
78 //
79 // End of "$Id: fl_diamond_box.cxx 5190 2006-06-09 16:16:34Z mike $".
80 //
81