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
|
/*
* Copyright (c) 2009-2016, Albertas Vyšniauskas
* All rights reserved.
* Copyright (c) 2012, David Gowers (Portions regarding adaptation of GammaModification.(cpp|h) to quantise colors instead.)
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
* * Neither the name of the software author nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "Quantization.h"
#include "dynv/Map.h"
#include "../MathUtil.h"
#include "../uiUtilities.h"
#include "../I18N.h"
#include <gtk/gtk.h>
#include <math.h>
#include <string.h>
#include <boost/math/special_functions/round.hpp>
namespace transformation {
static const char *transformationId = "quantization";
const char *Quantization::getId() {
return transformationId;
}
const char *Quantization::getName() {
return _("Quantization");
}
void Quantization::apply(Color *input, Color *output) {
if (clip_top) {
float max_intensity = (value - 1) / value;
output->rgb.red = MIN(max_intensity, boost::math::round(input->rgb.red * value) / value);
output->rgb.green = MIN(max_intensity, boost::math::round(input->rgb.green * value) / value);
output->rgb.blue = MIN(max_intensity, boost::math::round(input->rgb.blue * value) / value);
} else {
float actualmax = value - 1;
output->rgb.red = boost::math::round(input->rgb.red * actualmax) / actualmax;
output->rgb.green = boost::math::round(input->rgb.green * actualmax) / actualmax;
output->rgb.blue = boost::math::round(input->rgb.blue * actualmax) / actualmax;
}
}
Quantization::Quantization():
Transformation(transformationId, getName()) {
value = 16;
}
Quantization::Quantization(float value_):
Transformation(transformationId, getName()) {
value = value_;
}
Quantization::~Quantization() {
}
void Quantization::serialize(dynv::Map &system) {
system.set("value", value);
system.set("clip-top", clip_top);
Transformation::serialize(system);
}
void Quantization::deserialize(const dynv::Map &system) {
value = system.getFloat("value", 16);
clip_top = system.getBool("clip-top", false);
}
std::unique_ptr<IConfiguration> Quantization::getConfiguration() {
return std::move(std::make_unique<Configuration>(*this));
}
Quantization::Configuration::Configuration(Quantization &transformation) {
GtkWidget *table = gtk_table_new(2, 3, false);
GtkWidget *widget;
int table_y = 0;
gtk_table_attach(GTK_TABLE(table), gtk_label_aligned_new(_("Value:"), 0, 0.5, 0, 0), 0, 1, table_y, table_y + 1, GTK_FILL, GTK_FILL, 5, 5);
value = widget = gtk_spin_button_new_with_range(2, 256, 1);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(widget), transformation.value);
gtk_table_attach(GTK_TABLE(table), widget, 1, 2, table_y, table_y + 1, GtkAttachOptions(GTK_FILL | GTK_EXPAND), GTK_FILL, 5, 0);
table_y++;
clip_top = widget = gtk_check_button_new_with_label(_("Clip top-end"));
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), transformation.clip_top);
gtk_table_attach(GTK_TABLE(table), widget, 1, 2, table_y, table_y + 1, GtkAttachOptions(GTK_FILL | GTK_EXPAND), GTK_FILL, 5, 0);
main = table;
gtk_widget_show_all(main);
g_object_ref(main);
}
Quantization::Configuration::~Configuration() {
g_object_unref(main);
}
GtkWidget *Quantization::Configuration::getWidget() {
return main;
}
void Quantization::Configuration::apply(dynv::Map &system) {
system.set<float>("value", gtk_spin_button_get_value(GTK_SPIN_BUTTON(value)));
system.set<bool>("clip-top", gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(clip_top)));
}
}
|
