Bug Summary

File:/home/gilles/devel/GIT/8.x/core/libs/dimg/filters/transform/freerotationsettings.cpp
Warning:line 211, column 27
Value stored to 'prm' during its initialization is never read

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name freerotationsettings.cpp -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -fhalf-no-semantic-interposition -mframe-pointer=all -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fdebug-compilation-dir=/home/gilles/devel/GIT/8.x/build.scan/core/libs/dimg -fcoverage-compilation-dir=/home/gilles/devel/GIT/8.x/build.scan/core/libs/dimg -resource-dir /usr/lib/llvm-18/lib/clang/18 -D BUILDING_XMPCOMPAREANDMERGE_AS_STATIC=1 -D BUILDING_XMPCOMPAREANDMERGE_LIB=1 -D BanAllEntityUsage=1 -D CMS_NO_REGISTER_KEYWORD=1 -D EnablePluginManager=0 -D HAVE_FFMPEG_VERSION5 -D LIBPGF_DISABLE_OPENMP -D LINKING_XMPCORE_LIB=1 -D MAGICKCORE_HDRI_ENABLE=0 -D MAGICKCORE_QUANTUM_DEPTH=16 -D QT_DEPRECATED_WARNINGS -D QT_DEPRECATED_WARNINGS_SINCE=0x060000 -D QT_DISABLE_DEPRECATED_BEFORE=0x050E00 -D QT_NO_CAST_FROM_ASCII -D QT_NO_CAST_FROM_BYTEARRAY -D QT_NO_CAST_TO_ASCII -D QT_NO_KEYWORDS -D QT_NO_NARROWING_CONVERSIONS_IN_CONNECT -D QT_NO_URL_CAST_FROM_STRING -D QT_STRICT_ITERATORS -D QT_USE_QSTRINGBUILDER -D TRANSLATION_DOMAIN="digikam" -D UNIX_ENV=1 -D USE_JASPER -D USE_JPEG -D USE_JPEG8 -D XMP_COMPONENT_INT_NAMESPACE=AdobeXMPCompareAndMerge_Int -D XMP_StaticBuild=1 -D _GNU_SOURCE -D _LARGEFILE64_SOURCE -D digikamcore_EXPORTS -D qDNGDebug=0 -D qDNGLittleEndian=1 -D qDNGThreadSafe=1 -D qDNGUseLibJPEG=1 -D qDNGUseStdInt=1 -D qDNGUseXMP=1 -D qDNGValidateTarget=1 -D qDNGXMPDocOps=0 -D qDNGXMPFiles=0 -D qLinux=1 -D qMacOS=0 -D qWinOS=0 -I /home/gilles/devel/GIT/8.x/build.scan/core/libs/dimg -I /home/gilles/devel/GIT/8.x/core/libs/dimg -I /home/gilles/devel/GIT/8.x/build.scan/core/libs/dimg/core_dimg_obj_autogen/include -I /home/gilles/devel/GIT/8.x/core/libs/video/player/qtmm -I /home/gilles/devel/GIT/8.x/core/libs/album/engine -I /home/gilles/devel/GIT/8.x/core/libs/album/manager -I /home/gilles/devel/GIT/8.x/core/libs/album/treeview -I /home/gilles/devel/GIT/8.x/core/libs/album/widgets -I /home/gilles/devel/GIT/8.x/core/libs/database/collection -I /home/gilles/devel/GIT/8.x/core/libs/database/coredb -I /home/gilles/devel/GIT/8.x/core/libs/database/dbjobs -I /home/gilles/devel/GIT/8.x/core/libs/database/engine -I /home/gilles/devel/GIT/8.x/core/libs/database/haar -I 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/opt/qt6/include/KF6/KWidgetsAddons -I /opt/qt6/include/QtGui/6.7.0 -I /opt/qt6/include/QtGui/6.7.0/QtGui -I /opt/qt6/include/QtCore/6.7.0 -I /opt/qt6/include/QtCore/6.7.0/QtCore -I /opt/qt6/include/QtDBus/6.7.0 -I /opt/qt6/include/QtDBus/6.7.0/QtDBus -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/x86_64-linux-gnu/c++/13 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/backward -internal-isystem /usr/lib/llvm-18/lib/clang/18/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/13/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -Wno-long-long -Wno-deprecated-copy -std=c++20 -fdeprecated-macro -ferror-limit 19 -fvisibility=hidden -fvisibility-inlines-hidden -fno-operator-names -fopenmp -fgnuc-version=4.2.1 -fno-implicit-modules -fskip-odr-check-in-gmf -fcxx-exceptions -fexceptions -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /mnt/data2/devel/GIT/8.x/project/reports/report.scan/2024-05-05-134920-367836-1 -x c++ /home/gilles/devel/GIT/8.x/core/libs/dimg/filters/transform/freerotationsettings.cpp
1/* ============================================================
2 *
3 * This file is a part of digiKam project
4 * https://www.digikam.org
5 *
6 * Date : 2010-03-16
7 * Description : Free rotation settings view.
8 *
9 * SPDX-FileCopyrightText: 2010-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
10 *
11 * SPDX-License-Identifier: GPL-2.0-or-later
12 *
13 * ============================================================ */
14
15#include "freerotationsettings.h"
16
17// Qt includes
18
19#include <QGridLayout>
20#include <QLabel>
21#include <QString>
22#include <QFile>
23#include <QTextStream>
24#include <QCheckBox>
25#include <QUrl>
26#include <QApplication>
27#include <QStyle>
28
29// KDE includes
30
31#include <kconfiggroup.h>
32#include <klocalizedstring.h>
33
34// Local includes
35
36#include "digikam_debug.h"
37#include "dcolorselector.h"
38#include "dexpanderbox.h"
39#include "dnuminput.h"
40#include "dcombobox.h"
41
42namespace Digikam
43{
44
45class Q_DECL_HIDDEN__attribute__((visibility("hidden"))) FreeRotationSettings::Private
46{
47public:
48
49 explicit Private() = default;
50
51 static const QString configAutoCropTypeEntry;
52 static const QString configAntiAliasingEntry;
53 static const QString configBackgroundColorEntry;
54
55public:
56
57 QCheckBox* antialiasInput = nullptr;
58
59 DIntNumInput* angleInput = nullptr;
60 DDoubleNumInput* fineAngleInput = nullptr;
61 DComboBox* autoCropCB = nullptr;
62 DColorSelector* backgroundColor = nullptr;
63};
64
65const QString FreeRotationSettings::Private::configAutoCropTypeEntry(QLatin1String("Auto Crop Type"));
66const QString FreeRotationSettings::Private::configAntiAliasingEntry(QLatin1String("Anti Aliasing"));
67const QString FreeRotationSettings::Private::configBackgroundColorEntry(QLatin1String("Background Color"));
68
69// --------------------------------------------------------
70
71FreeRotationSettings::FreeRotationSettings(QWidget* const parent)
72 : QWidget(parent),
73 d (new Private)
74{
75 const int spacing = qMin(QApplication::style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing),
76 QApplication::style()->pixelMetric(QStyle::PM_LayoutVerticalSpacing));
77
78 QGridLayout* const grid = new QGridLayout(this);
79
80 // --------------------------------------------------------
81
82 QLabel* const label3 = new QLabel(i18n("Main angle:")i18nd("digikam", "Main angle:"));
83 d->angleInput = new DIntNumInput;
84 d->angleInput->setRange(-180, 180, 1);
85 d->angleInput->setDefaultValue(0);
86 d->angleInput->setWhatsThis(i18n("An angle in degrees by which to rotate the image. "i18nd("digikam", "An angle in degrees by which to rotate the image. "
"A positive angle rotates the image clockwise; " "a negative angle rotates it counter-clockwise."
)
87 "A positive angle rotates the image clockwise; "i18nd("digikam", "An angle in degrees by which to rotate the image. "
"A positive angle rotates the image clockwise; " "a negative angle rotates it counter-clockwise."
)
88 "a negative angle rotates it counter-clockwise.")i18nd("digikam", "An angle in degrees by which to rotate the image. "
"A positive angle rotates the image clockwise; " "a negative angle rotates it counter-clockwise."
)
);
89
90 QLabel* const label4 = new QLabel(i18n("Fine angle:")i18nd("digikam", "Fine angle:"));
91 d->fineAngleInput = new DDoubleNumInput;
92 d->fineAngleInput->setRange(-1.0, 1.0, 0.01);
93 d->fineAngleInput->setDefaultValue(0);
94 d->fineAngleInput->setWhatsThis(i18n("This value in degrees will be added to main angle value "i18nd("digikam", "This value in degrees will be added to main angle value "
"to set fine target angle.")
95 "to set fine target angle.")i18nd("digikam", "This value in degrees will be added to main angle value "
"to set fine target angle.")
);
96
97 d->antialiasInput = new QCheckBox(i18n("Anti-Aliasing")i18nd("digikam", "Anti-Aliasing"));
98 d->antialiasInput->setWhatsThis(i18n("Enable this option to apply the anti-aliasing filter "i18nd("digikam", "Enable this option to apply the anti-aliasing filter "
"to the rotated image. " "In order to smooth the target image, it will be blurred a little."
)
99 "to the rotated image. "i18nd("digikam", "Enable this option to apply the anti-aliasing filter "
"to the rotated image. " "In order to smooth the target image, it will be blurred a little."
)
100 "In order to smooth the target image, it will be blurred a little.")i18nd("digikam", "Enable this option to apply the anti-aliasing filter "
"to the rotated image. " "In order to smooth the target image, it will be blurred a little."
)
);
101
102 QLabel* const label5 = new QLabel(i18n("Auto-crop:")i18nd("digikam", "Auto-crop:"));
103 d->autoCropCB = new DComboBox;
104 d->autoCropCB->addItem(i18nc("no autocrop", "None")i18ndc("digikam", "no autocrop", "None"));
105 d->autoCropCB->addItem(i18n("Widest Area")i18nd("digikam", "Widest Area"));
106 d->autoCropCB->addItem(i18n("Largest Area")i18nd("digikam", "Largest Area"));
107 d->autoCropCB->setDefaultIndex(FreeRotationContainer::NoAutoCrop);
108 d->autoCropCB->setWhatsThis(i18n("Select the method to process image auto-cropping "i18nd("digikam", "Select the method to process image auto-cropping "
"to remove black frames around a rotated image here.")
109 "to remove black frames around a rotated image here.")i18nd("digikam", "Select the method to process image auto-cropping "
"to remove black frames around a rotated image here.")
);
110
111 QLabel* const label6 = new QLabel(i18n("Background color:")i18nd("digikam", "Background color:"));
112 d->backgroundColor = new DColorSelector();
113 d->backgroundColor->setColor(Qt::black);
114
115 // -------------------------------------------------------------
116
117 grid->addWidget(label3, 0, 0, 1, 1);
118 grid->addWidget(d->angleInput, 1, 0, 1, 2);
119 grid->addWidget(label4, 2, 0, 1, 1);
120 grid->addWidget(d->fineAngleInput, 3, 0, 1, 2);
121 grid->addWidget(d->antialiasInput, 4, 0, 1, -1);
122 grid->addWidget(label5, 5, 0, 1, 1);
123 grid->addWidget(d->autoCropCB, 5, 1, 1, 1);
124 grid->addWidget(label6, 6, 0, 1, 1);
125 grid->addWidget(d->backgroundColor, 6, 1, 1, 1);
126 grid->setContentsMargins(spacing, spacing, spacing, spacing);
127 grid->setSpacing(spacing);
128
129 // -------------------------------------------------------------
130
131 connect(d->antialiasInput, SIGNAL(toggled(bool))qFlagLocation("2" "toggled(bool)" "\0" "/home/gilles/devel/GIT/8.x/core/libs/dimg/filters/transform/freerotationsettings.cpp"
":" "131")
,
132 this, SIGNAL(signalSettingsChanged())qFlagLocation("2" "signalSettingsChanged()" "\0" "/home/gilles/devel/GIT/8.x/core/libs/dimg/filters/transform/freerotationsettings.cpp"
":" "132")
);
133
134 connect(d->autoCropCB, SIGNAL(activated(int))qFlagLocation("2" "activated(int)" "\0" "/home/gilles/devel/GIT/8.x/core/libs/dimg/filters/transform/freerotationsettings.cpp"
":" "134")
,
135 this, SIGNAL(signalSettingsChanged())qFlagLocation("2" "signalSettingsChanged()" "\0" "/home/gilles/devel/GIT/8.x/core/libs/dimg/filters/transform/freerotationsettings.cpp"
":" "135")
);
136
137 connect(d->angleInput, SIGNAL(valueChanged(int))qFlagLocation("2" "valueChanged(int)" "\0" "/home/gilles/devel/GIT/8.x/core/libs/dimg/filters/transform/freerotationsettings.cpp"
":" "137")
,
138 this, SIGNAL(signalSettingsChanged())qFlagLocation("2" "signalSettingsChanged()" "\0" "/home/gilles/devel/GIT/8.x/core/libs/dimg/filters/transform/freerotationsettings.cpp"
":" "138")
);
139
140 connect(d->fineAngleInput, SIGNAL(valueChanged(double))qFlagLocation("2" "valueChanged(double)" "\0" "/home/gilles/devel/GIT/8.x/core/libs/dimg/filters/transform/freerotationsettings.cpp"
":" "140")
,
141 this, SIGNAL(signalSettingsChanged())qFlagLocation("2" "signalSettingsChanged()" "\0" "/home/gilles/devel/GIT/8.x/core/libs/dimg/filters/transform/freerotationsettings.cpp"
":" "141")
);
142
143 connect(d->backgroundColor, SIGNAL(signalColorSelected(QColor))qFlagLocation("2" "signalColorSelected(QColor)" "\0" "/home/gilles/devel/GIT/8.x/core/libs/dimg/filters/transform/freerotationsettings.cpp"
":" "143")
,
144 this, SIGNAL(signalSettingsChanged())qFlagLocation("2" "signalSettingsChanged()" "\0" "/home/gilles/devel/GIT/8.x/core/libs/dimg/filters/transform/freerotationsettings.cpp"
":" "144")
);
145}
146
147FreeRotationSettings::~FreeRotationSettings()
148{
149 delete d;
150}
151
152FreeRotationContainer FreeRotationSettings::settings() const
153{
154 FreeRotationContainer prm;
155 prm.angle = (double)d->angleInput->value() + d->fineAngleInput->value();
156 prm.antiAlias = d->antialiasInput->isChecked();
157 prm.autoCrop = d->autoCropCB->currentIndex();
158 prm.backgroundColor = d->backgroundColor->color();
159
160 return prm;
161}
162
163void FreeRotationSettings::setSettings(const FreeRotationContainer& settings)
164{
165 blockSignals(true);
166
167 d->angleInput->setValue((int)(settings.angle));
168 d->fineAngleInput->setValue(settings.angle - (double)d->angleInput->value());
169 d->antialiasInput->setChecked(settings.antiAlias);
170 d->autoCropCB->setCurrentIndex(settings.autoCrop);
171 d->backgroundColor->setColor(settings.backgroundColor);
172
173 blockSignals(false);
174}
175
176void FreeRotationSettings::resetToDefault()
177{
178 blockSignals(true);
179
180 d->angleInput->slotReset();
181 d->fineAngleInput->slotReset();
182 d->antialiasInput->setChecked(true);
183 d->autoCropCB->slotReset();
184 d->backgroundColor->setColor(Qt::black);
185
186 blockSignals(false);
187}
188
189FreeRotationContainer FreeRotationSettings::defaultSettings() const
190{
191 FreeRotationContainer prm;
192 prm.angle = d->angleInput->defaultValue();
193 prm.antiAlias = true;
194 prm.autoCrop = d->autoCropCB->defaultIndex();
195 prm.backgroundColor = Qt::black;
196
197 return prm;
198}
199
200void FreeRotationSettings::readSettings(const KConfigGroup& group)
201{
202 d->autoCropCB->setCurrentIndex(group.readEntry(d->configAutoCropTypeEntry, d->autoCropCB->defaultIndex()));
203 d->backgroundColor->setColor(group.readEntry(d->configBackgroundColorEntry, QColor(Qt::black)));
204 d->antialiasInput->setChecked(group.readEntry(d->configAntiAliasingEntry, true));
205 d->angleInput->slotReset();
206 d->fineAngleInput->slotReset();
207}
208
209void FreeRotationSettings::writeSettings(KConfigGroup& group)
210{
211 FreeRotationContainer prm = settings();
Value stored to 'prm' during its initialization is never read
212 group.writeEntry(d->configAutoCropTypeEntry, d->autoCropCB->currentIndex());
213 group.writeEntry(d->configAntiAliasingEntry, d->antialiasInput->isChecked());
214 group.writeEntry(d->configBackgroundColorEntry, d->backgroundColor->color());
215}
216
217} // namespace Digikam
218
219#include "moc_freerotationsettings.cpp"