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
|
/*
* Copyright (c) 2004 Boudewijn Rempt
* (c) 2005 Bart Coppens <kde@bartcoppens.be>
*
* 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
* (at your option) 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <tqpainter.h>
#include <tqpixmap.h>
#include <tqlabel.h>
#include <tqcombobox.h>
#include <tqbuttongroup.h>
#include <tqpushbutton.h>
#include <tqscrollbar.h>
#include <tqtooltip.h>
#include <kdebug.h>
#include "kis_channelinfo.h"
#include "kis_histogram_view.h"
#include "kis_histogram_widget.h"
#include "kis_histogram.h"
#include "kis_global.h"
#include "kis_types.h"
#include "kis_layer.h"
#include "kis_paint_device.h"
#include "kis_colorspace.h"
KisHistogramWidget::KisHistogramWidget(TQWidget *parent, const char *name)
: super(parent, name)
{
m_from = 0.0;
m_width = 0.0;
}
KisHistogramWidget::~KisHistogramWidget()
{
}
void KisHistogramWidget::setPaintDevice(KisPaintDeviceSP dev)
{
grpType->disconnect(this);
cmbChannel->disconnect(this);
m_histogramView->setPaintDevice(dev);
setActiveChannel(0); // So we have the colored one if there are colors
// The channels
cmbChannel->clear();
cmbChannel->insertStringList(m_histogramView->channelStrings());
cmbChannel->setCurrentItem(0);
// View display
currentView->setMinValue(0);
currentView->setMaxValue(100);
updateEnabled();
m_from = m_histogramView->currentProducer()->viewFrom();
m_width = m_histogramView->currentProducer()->viewWidth();
connect(grpType, TQT_SIGNAL(clicked(int)), this, TQT_SLOT(slotTypeSwitched(int)));
connect(cmbChannel, TQT_SIGNAL(activated(int)), this, TQT_SLOT(setActiveChannel(int)));
connect(zoomIn, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotZoomIn()));
connect(zoomOut, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotZoomOut()));
connect(currentView, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(slide(int)));
}
void KisHistogramWidget::setActiveChannel(int channel)
{
m_histogramView->setActiveChannel(channel);
updateEnabled();
}
void KisHistogramWidget::slotTypeSwitched(int id)
{
if (id == LINEAR)
m_histogramView->setHistogramType(LINEAR);
else if (id == LOGARITHMIC)
m_histogramView->setHistogramType(LOGARITHMIC);
}
void KisHistogramWidget::setView(double from, double size)
{
m_from = from;
m_width = size;
if (m_from + m_width > 1.0)
m_from = 1.0 - m_width;
m_histogramView->setView(m_from, m_width);
updateEnabled();
}
void KisHistogramWidget::slotZoomIn() {
if ((m_width / 2) >= m_histogramView->currentProducer()->maximalZoom()) {
setView(m_from, m_width / 2);
}
}
void KisHistogramWidget::slotZoomOut() {
if (m_width * 2 <= 1.0) {
setView(m_from, m_width * 2);
}
}
void KisHistogramWidget::slide(int val) {
// Beware: at the END (e.g. 100), we want to still view m_width:
setView((static_cast<double>(val) / 100.0) * (1.0 - m_width), m_width);
}
void KisHistogramWidget::updateEnabled() {
if (m_histogramView->currentProducer()->maximalZoom() < 1.0) {
if ((m_width / 2) >= m_histogramView->currentProducer()->maximalZoom()) {
zoomIn->setEnabled(true);
} else {
zoomIn->setEnabled(false);
}
if (m_width * 2 <= 1.0) {
zoomOut->setEnabled(true);
} else {
zoomOut->setEnabled(false);
}
if (m_width < 1.0)
currentView->setEnabled(true);
else
currentView->setEnabled(false);
} else {
zoomIn->setEnabled(false);
zoomOut->setEnabled(false);
currentView->setEnabled(false);
}
}
#include "kis_histogram_widget.moc"
|
