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SnapshotDialog.cc
1 /*===========================================================================*\
2 * *
3 * OpenFlipper *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
6 * All rights reserved. *
7 * www.openflipper.org *
8 * *
9 *---------------------------------------------------------------------------*
10 * This file is part of OpenFlipper. *
11 *---------------------------------------------------------------------------*
12 * *
13 * Redistribution and use in source and binary forms, with or without *
14 * modification, are permitted provided that the following conditions *
15 * are met: *
16 * *
17 * 1. Redistributions of source code must retain the above copyright notice, *
18 * this list of conditions and the following disclaimer. *
19 * *
20 * 2. Redistributions in binary form must reproduce the above copyright *
21 * notice, this list of conditions and the following disclaimer in the *
22 * documentation and/or other materials provided with the distribution. *
23 * *
24 * 3. Neither the name of the copyright holder nor the names of its *
25 * contributors may be used to endorse or promote products derived from *
26 * this software without specific prior written permission. *
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28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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33 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
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38 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39 * *
40 \*===========================================================================*/
41
42 /*===========================================================================*\
43 * *
44 * $Revision$ *
45 * $LastChangedBy$ *
46 * $Date$ *
47 * *
48 \*===========================================================================*/
49
50 #include "SnapshotDialog.hh"
51 #include <OpenFlipper/common/GlobalOptions.hh>
52
53 SnapshotDialog::SnapshotDialog(QString _suggest, bool _captureViewers, int _w, int _h, QWidget *parent)
54 : QDialog(parent),
55 captureViewers_(_captureViewers),
56 aspect_((double)_w / (double)_h),
57 blockSpinBox_(false)
58 {
59 setupUi(this);
60
61 filename->setText( _suggest );
62
63 // Disable 'change resolution' button if
64 // in viewer snapshot mode
65 multisampling->setChecked(captureViewers_);
66 changeRes_wdgt->setVisible(!captureViewers_);
67 changeRes_pb->setEnabled(!captureViewers_);
68 transparent->setDisabled(!captureViewers_);
69 hideCoordsys->setDisabled(!captureViewers_);
70 multisampling->setDisabled(!captureViewers_);
71 num_samples->setDisabled(!captureViewers_);
72
73 snapWidth->setValue(_w);
74 snapHeight->setValue(_h);
75
76 warning_lb->setText("");
77
78 // Load button states
79 loadStates();
80
81 if (keepAspect->isChecked()) {
82 snapHeight->setValue((int)((double)snapWidth->value() / aspect_));
83 }
84
85 connect(snapWidth, SIGNAL(valueChanged(int)), this, SLOT(snapWidthChanged(int)) );
86 connect(snapHeight, SIGNAL(valueChanged(int)), this, SLOT(snapHeightChanged(int)) );
87 connect(keepAspect, SIGNAL(stateChanged(int)), this, SLOT(keepAspectChanged()) );
88 connect(multisampling, SIGNAL(stateChanged(int)), this, SLOT(multisampleChanged()) );
89
90 connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()) );
91 connect(findButton, SIGNAL(clicked()), this, SLOT(findFile()) );
92 connect(changeRes_pb, SIGNAL(clicked()), this, SLOT(slotChangeResolution()) );
93 connect(okButton, SIGNAL(clicked()), this, SLOT(slotOk()) );
94
95 connect(filename, SIGNAL(textChanged(const QString &)), this, SLOT(filenameChanged(const QString &)));
96 }
97
98 void SnapshotDialog::saveStates() {
99
100 OpenFlipperSettings().setValue( "Viewer/SnapshotDialog/SnapWidth", snapWidth->value());
101 OpenFlipperSettings().setValue( "Viewer/SnapshotDialog/SnapHeight", snapHeight->value());
102 OpenFlipperSettings().setValue( "Viewer/SnapshotDialog/KeepAspect", keepAspect->isChecked());
103 OpenFlipperSettings().setValue( "Viewer/SnapshotDialog/Transparent", transparent->isChecked());
104 OpenFlipperSettings().setValue( "Viewer/SnapshotDialog/HideCoordsys", hideCoordsys->isChecked());
105 OpenFlipperSettings().setValue( "Viewer/SnapshotDialog/Multisampling", multisampling->isChecked());
106 OpenFlipperSettings().setValue( "Viewer/SnapshotDialog/NumSamples", num_samples->value());
107 }
108
109 void SnapshotDialog::loadStates() {
110
111 snapWidth->setValue( OpenFlipperSettings().value( "Viewer/SnapshotDialog/SnapWidth", snapWidth->value()).toInt());
112 snapHeight->setValue( OpenFlipperSettings().value( "Viewer/SnapshotDialog/SnapHeight", snapHeight->value()).toInt());
113 keepAspect->setChecked( OpenFlipperSettings().value( "Viewer/SnapshotDialog/KeepAspect", false).toBool());
114 transparent->setChecked( OpenFlipperSettings().value( "Viewer/SnapshotDialog/Transparent", false).toBool());
115 hideCoordsys->setChecked( OpenFlipperSettings().value( "Viewer/SnapshotDialog/HideCoordsys", false).toBool());
116 multisampling->setChecked( OpenFlipperSettings().value( "Viewer/SnapshotDialog/Multisampling", true).toBool());
117 num_samples->setValue( OpenFlipperSettings().value( "Viewer/SnapshotDialog/NumSamples", 16).toInt());
118 }
119
120 void SnapshotDialog::snapWidthChanged(int _w) {
121
122 if(blockSpinBox_) return;
123
124 if(keepAspect->isChecked()) {
125 blockSpinBox_ = true;
126 snapHeight->setValue((int)((double)_w / aspect_));
127 blockSpinBox_ = false;
128 }
129 }
130
131 void SnapshotDialog::snapHeightChanged(int _h) {
132
133 if(blockSpinBox_) return;
134
135 if(keepAspect->isChecked()) {
136 blockSpinBox_ = true;
137 snapWidth->setValue((int)((double)_h * aspect_));
138 blockSpinBox_ = false;
139 }
140 }
141
142 void SnapshotDialog::keepAspectChanged() {
143
144 if(keepAspect->isChecked()) {
145 blockSpinBox_ = true;
146 snapHeight->setValue((int)((double)snapWidth->value() / aspect_));
147 blockSpinBox_ = false;
148 }
149 }
150
151 void SnapshotDialog::multisampleChanged() {
152 num_samples->setDisabled (!multisampling->isChecked());
153 }
154 void SnapshotDialog::slotChangeResolution()
155 {
156 if ( !captureViewers_ )
157 emit resizeApplication(snapWidth->value(), snapHeight->value());
158 }
159
160 void SnapshotDialog::slotOk()
161 {
162
163 if (filename->text() == ""){
164 QMessageBox msgBox;
165 msgBox.setText(tr("The Filename is empty!"));
166 msgBox.exec();
167 return;
168 }
169
170 if ( !captureViewers_ )
171 emit resizeApplication(snapWidth->value(), snapHeight->value());
172
173 // Remember button states for next time...
174 saveStates();
175
176 accept();
177 }
178
179 void SnapshotDialog::findFile()
180 {
181
182 QFileInfo fi( filename->text() );
183
184 QFileDialog dialog(this);
185 dialog.setFileMode(QFileDialog::AnyFile);
186 dialog.setDefaultSuffix("png");
187 dialog.setNameFilter(tr("Images (*.png *.ppm *.jpg)"));
188 dialog.setFileMode(QFileDialog::AnyFile);
189 dialog.setConfirmOverwrite(true);
190 dialog.setDirectory( fi.path() );
191 dialog.selectFile( filename->text() );
192 dialog.setAcceptMode(QFileDialog::AcceptSave);
193 dialog.setWindowTitle(tr("Save Snapshot"));
194
195 bool ok = dialog.exec();
196
197 if (ok)
198 filename->setText( dialog.selectedFiles()[0] );
199 }
200
201 void SnapshotDialog::filenameChanged(const QString &new_filename) {
202 QFileInfo fi(new_filename);
203 if (!QFileInfo(fi.path()).isWritable()) {
204 static const char *style = "background: #ffffcc;";
205 filename->setStyleSheet(style);
206 warning_lb->setText(trUtf8("Warning: Folder not writable."));
207 } else if (fi.exists()) {
208 static const char *style = "background: #ffcccc;";
209 filename->setStyleSheet(style);
210 warning_lb->setText(trUtf8("Warning: File exists and will be "
211 "overwritten without further warning."));
212 } else {
213 static const char *style = "";
214 filename->setStyleSheet(style);
215 warning_lb->setText("");
216 }
217 }
OpenFlipperSettings
DLLEXPORT OpenFlipperQSettings & OpenFlipperSettings()
QSettings object containing all program settings of OpenFlipper.
Definition: GlobalOptions.cc:938
GlobalOptions.hh
OpenFlipperQSettings::setValue
void setValue(const QString &key, const QVariant &value)
Wrapper function which makes it possible to enable Debugging output with -DOPENFLIPPER_SETTINGS_DEBUG...
Definition: OpenFlipperQSettings.cc:68