2 Copyright (C) 2003 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include "pbd/error.h"
30 #include <gtkmm2ext/utils.h>
31 #include <gtkmm2ext/selector.h>
32 #include <gtkmm2ext/gtk_ui.h>
34 #include "ardour/session.h"
35 #include "ardour/utils.h"
37 #include "public_editor.h"
38 #include "ardour_ui.h"
39 #include "gui_object.h"
40 #include "axis_view.h"
45 using namespace Gtkmm2ext
;
46 using namespace ARDOUR
;
48 list
<Gdk::Color
> AxisView::used_colors
;
50 AxisView::AxisView (ARDOUR::Session
* sess
)
51 : SessionHandlePtr (sess
)
61 AxisView::unique_random_color()
67 /* avoid neon/glowing tones by limiting them to the
68 "inner section" (paler) of a color wheel/circle.
71 const int32_t max_saturation
= 48000; // 65535 would open up the whole color wheel
73 newcolor
.set_red (random() % max_saturation
);
74 newcolor
.set_blue (random() % max_saturation
);
75 newcolor
.set_green (random() % max_saturation
);
77 if (used_colors
.size() == 0) {
78 used_colors
.push_back (newcolor
);
82 for (list
<Gdk::Color
>::iterator i
= used_colors
.begin(); i
!= used_colors
.end(); ++i
) {
84 float rdelta
, bdelta
, gdelta
;
86 rdelta
= newcolor
.get_red() - c
.get_red();
87 bdelta
= newcolor
.get_blue() - c
.get_blue();
88 gdelta
= newcolor
.get_green() - c
.get_green();
90 if (sqrt (rdelta
*rdelta
+ bdelta
*bdelta
+ gdelta
*gdelta
) > 25.0) {
91 used_colors
.push_back (newcolor
);
96 /* XXX need throttle here to make sure we don't spin for ever */
101 AxisView::gui_property (const string
& property_name
) const
103 return gui_object_state().get_string (state_id(), property_name
);
107 AxisView::marked_for_display () const
109 return string_is_affirmative (gui_property ("visible"));
113 AxisView::set_marked_for_display (bool yn
)
115 if (yn
!= marked_for_display()) {
117 set_gui_property ("visible", true);
119 set_gui_property ("visible", false);
121 return true; // things changed
128 AxisView::gui_object_state()
130 return *ARDOUR_UI::instance()->gui_object_state
;