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
|
// SDPGTK Library
// Copyright (c) 1995-2004, Timothy M. Shead
//
// Contact: tshead@k-3d.com
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include <k3dsdk/color.h>
#include <k3dsdk/vectors.h>
#include "sdpgtkcolorselection.h"
////////////////////////////////////////////////////////////////////////////////////////
// sdpGtkColorSelection
sdpGtkColorSelection::sdpGtkColorSelection() : sdpGtkVBox()
{
}
sdpGtkColorSelection::sdpGtkColorSelection(GtkColorSelection* ColorSelection) : sdpGtkVBox(GTK_VBOX(ColorSelection))
{
}
bool sdpGtkColorSelection::Create()
{
m_Object = GTK_OBJECT(gtk_color_selection_new());
return Attached();
}
bool sdpGtkColorSelection::Create(sdpGtkIObjectContainer* const ObjectContainer, sdpxml::Document& Document, sdpxml::Element& Element)
{
// Sanity checks ...
g_assert(ObjectContainer);
return Create();
}
void sdpGtkColorSelection::SetUpdatePolicy(GtkUpdateType Policy)
{
// Sanity checks ...
g_return_if_fail(Attached());
gtk_color_selection_set_update_policy(*this, Policy);
}
void sdpGtkColorSelection::SetColor(const double Red, const double Green, const double Blue)
{
// Sanity checks ...
g_return_if_fail(Attached());
double color[4];
color[0] = Red;
color[1] = Green;
color[2] = Blue;
color[3] = 0.0;
gtk_color_selection_set_color(*this, color);
}
void sdpGtkColorSelection::GetColor(double& Red, double& Green, double& Blue)
{
g_return_if_fail(Attached());
double color[4];
gtk_color_selection_get_color(*this, color);
Red = color[0];
Green = color[1];
Blue = color[2];
}
template<class Type> Type radians(const Type& degrees)
{ return degrees * 0.01745329252; }
void sdpGtkColorSelection::InteractiveSetColor(const double Red, const double Green, const double Blue, const gdouble Speed, const bool Pause)
{
// Sanity checks ...
g_return_if_fail(Attached());
// Convert the current and new colors to HSV ...
double red, green, blue;
GetColor(red, green, blue);
const k3d::basic_hsv current_hsv = k3d::color(red, green, blue);
const k3d::basic_hsv new_hsv = k3d::color(Red, Green, Blue);
if(current_hsv == new_hsv)
return;
// Make ourselves visible ...
InteractiveShow(Speed, Pause);
GtkColorSelection* colorselection = GTK_COLOR_SELECTION(m_Object);
// If hue or saturation have changed, update the color wheel ...
if(current_hsv.hue != new_hsv.hue || current_hsv.saturation != new_hsv.saturation)
{
const k3d::basic_hsv temp_hsv(new_hsv.hue, new_hsv.saturation, current_hsv.value);
const double theta = radians(temp_hsv.hue);
k3d::vector2 offset(-sin(theta) * temp_hsv.saturation, -cos(theta) * temp_hsv.saturation);
offset *= 0.5;
offset += 0.5;
#ifndef K3D_HAVE_GTK2
sdpGtkWidget wheelarea(colorselection->wheel_area);
wheelarea.InteractiveWarpPointer(offset[0], offset[1], Speed, Pause, false);
#endif
const k3d::color temp_rgb(temp_hsv);
SetColor(temp_rgb.red, temp_rgb.green, temp_rgb.blue);
}
// If value has changed, update the value area ...
if(current_hsv.value != new_hsv.value)
{
#ifndef K3D_HAVE_GTK2
sdpGtkWidget valuearea(colorselection->value_area);
valuearea.InteractiveWarpPointer(0.5, 1.0 - new_hsv.value, Speed, Pause, false);
#endif
const k3d::color temp_rgb(new_hsv);
SetColor(temp_rgb.red, temp_rgb.green, temp_rgb.blue);
}
}
|
