Fixed various cppcheck issues and compiler warnings

application/gui/datacontainertreewidget.cpp

@@ -157,15 +157,15 @@ namespace campvis {
         if (const AbstractData* data = _dataHandle.getData()) {
             if (const RenderData* tester = dynamic_cast<const RenderData*>(data)) {
                 for (size_t i = 0; i < tester->getNumColorTextures(); ++i) {
-                    DataHandleTreeItem* dhti = new DataHandleTreeItem(QtDataHandle(tester->getColorDataHandle(i)), _name + "::ColorTexture" + StringUtils::toString(i), this);
+                    new DataHandleTreeItem(QtDataHandle(tester->getColorDataHandle(i)), _name + "::ColorTexture" + StringUtils::toString(i), this);
                 }
                 if (tester->hasDepthTexture()) {
-                    DataHandleTreeItem* dhti = new DataHandleTreeItem(QtDataHandle(tester->getDepthDataHandle()), _name + "::DepthTexture", this);
+                    new DataHandleTreeItem(QtDataHandle(tester->getDepthDataHandle()), _name + "::DepthTexture", this);
                 }
             }
             else if (const ImageSeries* tester = dynamic_cast<const ImageSeries*>(data)) {
                 for (size_t i = 0; i < tester->getNumImages(); ++i) {
-                    DataHandleTreeItem* dhti = new DataHandleTreeItem(QtDataHandle(tester->getImage(i)), _name + "::Image" + StringUtils::toString(i), this);
+                    new DataHandleTreeItem(QtDataHandle(tester->getImage(i)), _name + "::Image" + StringUtils::toString(i), this);
                 }
             }
 

application/gui/logviewerwidget.cpp

@@ -138,7 +138,7 @@ namespace campvis {
         _logDisplay->clear();
         _logHighlighter->setFilterRegExp(_filterRegExp);
 
-        for (std::deque<LogEntry>::iterator it = _logMessages.begin(); it != _logMessages.end(); it++) {
+        for (std::deque<LogEntry>::iterator it = _logMessages.begin(); it != _logMessages.end(); ++it) {
             displayMessage(*it);
         }
     }

application/gui/pipelinetreewidget.cpp

@@ -303,7 +303,7 @@ namespace campvis {
                 PipelineTreeItem* pipeti = new PipelineTreeItem(*pipe, it->second);
 
                 for (std::vector<AbstractProcessor*>::const_iterator proc = (*pipe)->getProcessors().begin(); proc != (*pipe)->getProcessors().end(); ++proc) {
-                    ProcessorTreeItem* procti = new ProcessorTreeItem(*proc, pipeti);
+                    new ProcessorTreeItem(*proc, pipeti);
                 }
             }
             else {

application/gui/properties/abstractpropertywidget.cpp

@@ -58,6 +58,7 @@ namespace campvis {
         }
 
         _property->s_changed.connect(this, &AbstractPropertyWidget::onPropertyChanged);
+        // cppcheck-suppress pureVirtualCall
         connect(this, SIGNAL(s_propertyChanged(const AbstractProperty*)), this, SLOT(updateWidgetFromProperty()));
     }
 

application/gui/properties/geometry1dtransferfunctioneditor.cpp

@@ -95,7 +95,6 @@ namespace campvis {
     void Geometry1DTransferFunctionEditor::paint() {
         Geometry1DTransferFunction* gtf = static_cast<Geometry1DTransferFunction*>(_transferFunction);
         const std::vector<TFGeometry1D*>& geometries = gtf->getGeometries();
-        const tgt::vec2& intensityDomain = gtf->getIntensityDomain();
 
         // TODO: get rid of intermediate mode?
         glPushAttrib(GL_ALL_ATTRIB_BITS);
@@ -120,18 +119,16 @@ namespace campvis {
                     maxFilling = log(maxFilling);
 
                 float xl = static_cast<float>(0.f) / static_cast<float>(numBuckets);
-                float xr = 0.f;
                 float yl = (_logScale 
                     ? log(static_cast<float>(ih->getNumElements(0))) / maxFilling
                     : static_cast<float>(ih->getNumElements(0)) / maxFilling);
-                float yr = 0.f;
 
 
                 glBegin(GL_QUADS);
                 glColor4f(1.f, .75f, 0.f, .5f);
                 for (size_t i = 1; i < numBuckets; ++i) {
-                    xr = static_cast<float>(i) / static_cast<float>(numBuckets);
-                    yr = (_logScale 
+                    float xr = static_cast<float>(i) / static_cast<float>(numBuckets);
+                    float yr = (_logScale 
                         ? std::max(0.f, static_cast<float>(log(static_cast<float>(ih->getNumElements(i)))) / maxFilling)
                         : static_cast<float>(ih->getNumElements(i)) / maxFilling);
                     
@@ -139,9 +136,6 @@ namespace campvis {
                     glVertex2f(xl, yl);
                     glVertex2f(xr, yr);
                     glVertex2f(xr, 0.f);
-
-                    xl = xr;
-                    yl = yr;
                 }
                 glEnd();
             }
@@ -248,7 +242,7 @@ namespace campvis {
         QLabel* lblOpacityBottom = new QLabel(tr("0%"), this);
         _layout->addWidget(lblOpacityBottom, 3, 0, 1, 1, Qt::AlignRight);
 
-        _canvas = new tgt::QtThreadedCanvas("", tgt::ivec2(256, 128), tgt::GLCanvas::RGBA_BUFFER, false);
+        _canvas = new tgt::QtThreadedCanvas("", tgt::ivec2(256, 128), tgt::GLCanvas::RGBA_BUFFER, 0, false);
         tgt::GlContextManager::getRef().registerContextAndInitGlew(_canvas);
 
         GLJobProc.registerContext(_canvas);

application/gui/properties/geometry2dtransferfunctioneditor.cpp

@@ -91,7 +91,6 @@ namespace campvis {
     void Geometry2DTransferFunctionEditor::paint() {
         Geometry2DTransferFunction* gtf = static_cast<Geometry2DTransferFunction*>(_transferFunction);
         const std::vector<TFGeometry2D*>& geometries = gtf->getGeometries();
-        const tgt::vec2& intensityDomain = gtf->getIntensityDomain();
 
         // TODO: get rid of intermediate mode?
         glPushAttrib(GL_ALL_ATTRIB_BITS);
@@ -122,15 +121,13 @@ namespace campvis {
                 float maxFilling = static_cast<float>(ih->getMaxFilling());
 
                 float xl = static_cast<float>(0.f) / static_cast<float>(numBuckets);
-                float xr = 0.f;
                 float yl = static_cast<float>(ih->getNumElements(0)) / maxFilling;
-                float yr = 0.f;
 
                 glBegin(GL_QUADS);
                 glColor4f(1.f, .75f, 0.f, .5f);
                 for (size_t i = 1; i < numBuckets; ++i) {
-                    xr = static_cast<float>(i) / static_cast<float>(numBuckets);
-                    yr = static_cast<float>(ih->getNumElements(i)) / maxFilling;
+                    float xr = static_cast<float>(i) / static_cast<float>(numBuckets);
+                    float yr = static_cast<float>(ih->getNumElements(i)) / maxFilling;
 
                     glVertex2f(xl, 0.f);
                     glVertex2f(xl, yl);
@@ -229,7 +226,7 @@ namespace campvis {
         QLabel* lblOpacityBottom = new QLabel(tr("0%"), this);
         _layout->addWidget(lblOpacityBottom, 3, 0, 1, 1, Qt::AlignRight);
 
-        _canvas = new tgt::QtThreadedCanvas("", tgt::ivec2(256, 128), tgt::GLCanvas::RGBA_BUFFER, false);
+        _canvas = new tgt::QtThreadedCanvas("", tgt::ivec2(256, 128), tgt::GLCanvas::RGBA_BUFFER, 0, false);
         tgt::GlContextManager::getRef().registerContextAndInitGlew(_canvas);
 
         GLJobProc.registerContext(_canvas);

application/gui/properties/simpletransferfunctioneditor.cpp

@@ -65,8 +65,8 @@ namespace campvis {
         SimpleTransferFunction* stf = static_cast<SimpleTransferFunction*>(_transferFunction);
         _cpwColorLeft->blockSignals(true);
         _cpwColorRight->blockSignals(true);
-        _cpwColorLeft->setColor(QtColorTools::toQColor(static_cast<SimpleTransferFunction*>(_transferFunction)->getLeftColor()));
-        _cpwColorRight->setColor(QtColorTools::toQColor(static_cast<SimpleTransferFunction*>(_transferFunction)->getRightColor()));
+        _cpwColorLeft->setColor(QtColorTools::toQColor(stf->getLeftColor()));
+        _cpwColorRight->setColor(QtColorTools::toQColor(stf->getRightColor()));
         _cpwColorLeft->blockSignals(false);
         _cpwColorRight->blockSignals(false);
     }

core/datastructures/renderdata.cpp

@@ -50,13 +50,13 @@ namespace campvis {
         for (size_t i = 0; i < TGT_FRAMEBUFFEROBJECT_MAX_SUPPORTED_COLOR_ATTACHMENTS; ++i) {
             if (attachments[i] != 0) {
                 ImageData* img = new ImageData(2, attachments[i]->getDimensions(), attachments[i]->getNumChannels());
-                ImageRepresentationGL* rep = ImageRepresentationGL::create(img, attachments[i]);
+                ImageRepresentationGL::create(img, attachments[i]);
                 _colorTextures.push_back(DataHandle(img));
             }
         }
         if (attachments[TGT_FRAMEBUFFEROBJECT_MAX_SUPPORTED_COLOR_ATTACHMENTS] != 0) {
             ImageData* img = new ImageData(2, attachments[TGT_FRAMEBUFFEROBJECT_MAX_SUPPORTED_COLOR_ATTACHMENTS]->getDimensions(), attachments[TGT_FRAMEBUFFEROBJECT_MAX_SUPPORTED_COLOR_ATTACHMENTS]->getNumChannels());
-            ImageRepresentationGL* rep = ImageRepresentationGL::create(img, attachments[TGT_FRAMEBUFFEROBJECT_MAX_SUPPORTED_COLOR_ATTACHMENTS]);
+            ImageRepresentationGL::create(img, attachments[TGT_FRAMEBUFFEROBJECT_MAX_SUPPORTED_COLOR_ATTACHMENTS]);
             _depthTexture = DataHandle(img);
         }
     }

core/eventhandlers/trackballnavigationeventlistener.cpp

@@ -146,8 +146,10 @@ namespace campvis {
 
     void TrackballNavigationEventListener::removeLqModeProcessor(VisualizationProcessor* vp) {
         for (std::vector<VisualizationProcessor*>::iterator it = _lqModeProcessors.begin(); it != _lqModeProcessors.end(); ++it) {
-            if (*it == vp)
+            if (*it == vp) {
                 _lqModeProcessors.erase(it);
+                return;
+            }
         }
     }
 

ext/tgt/filesystem.cpp

@@ -568,7 +568,7 @@ std::vector<std::string> TarFileFactory::getFilenames() {
     std::vector<std::string> files;
 
     std::map<std::string, ArchivedFile>::iterator theIterator;
-    for (theIterator = files_.begin(); theIterator != files_.end(); theIterator++)
+    for (theIterator = files_.begin(); theIterator != files_.end(); ++theIterator)
         files.push_back((*theIterator).first);
 
     return files;
@@ -627,7 +627,7 @@ bool FileSystem::exists(const std::string& filename) {
 void FileSystem::addFactory(FileFactory* ff) {
     std::vector<std::string> files = ff->getFilenames();
     std::vector<std::string>::iterator theIterator;
-    for (theIterator = files.begin(); theIterator != files.end(); theIterator++)
+    for (theIterator = files.begin(); theIterator != files.end(); ++theIterator)
         virtualFS_[*theIterator] = ff;
 
     factories_.push_back(ff);
@@ -1156,7 +1156,6 @@ std::vector<std::string> FileSystem::listFiles(const std::string& directory, con
     WIN32_FIND_DATA findFileData = {0};
     HANDLE hFind = 0;
 
-    std::stack<std::string> stackDirs;
     std::string dir(converted + "\\*");
 
     hFind = FindFirstFile(dir.c_str(), &findFileData);

ext/tgt/glcanvas.cpp

@@ -113,81 +113,6 @@ bool GLCanvas::getAutoFlush() {
  return autoFlush_;
 }
 
-bool GLCanvas::takeScreenshot(std::string fname) {
-    //taken from gamedev.net forum:
-    FILE *pFile;               // The file pointer.
-    unsigned char uselessChar; // used for useless char.
-    short int uselessInt;      // used for useless int.
-    unsigned char imageType;   // Type of image we are saving.
-    int index;                 // used with the for loop.
-    unsigned char bits;    // Bit depth.
-    long Size;                 // Size of the picture.
-    int colorMode;
-    unsigned char tempColors;
-    short int width = getWidth();
-    short int height = getHeight();
-
-    // Open file for output.
-    pFile = fopen(fname.c_str(), "wb");
-
-   // Check if the file opened or not.
-    if (!pFile) {
-        fclose(pFile);
-        return false;
-    }
-
-    unsigned char *image = new unsigned char[getWidth()*getHeight()*3];
-    //read image from gl:
-    glReadPixels( 0, 0, getWidth(), getHeight(), GL_RGB, GL_UNSIGNED_BYTE, image );
-    // Set the image type, the color mode, and the bit depth.
-    imageType = 2; colorMode = 3; bits = 24;
-
-    // Set these two to 0.
-    uselessChar = 0; uselessInt = 0;
-
-    // Write useless data.
-    size_t written = 0;
-    written += fwrite(&uselessChar, sizeof(unsigned char), 1, pFile);
-    written += fwrite(&uselessChar, sizeof(unsigned char), 1, pFile);
-
-    // Now image type.
-    written += fwrite(&imageType, sizeof(unsigned char), 1, pFile);
-
-    // Write useless data.
-    written += fwrite(&uselessInt, sizeof(short int), 1, pFile);
-    written += fwrite(&uselessInt, sizeof(short int), 1, pFile);
-    written += fwrite(&uselessChar, sizeof(unsigned char), 1, pFile);
-    written += fwrite(&uselessInt, sizeof(short int), 1, pFile);
-    written += fwrite(&uselessInt, sizeof(short int), 1, pFile);
-
-    // Write the size that you want.
-    written += fwrite(&width, sizeof(short int), 1, pFile);
-    written += fwrite(&height, sizeof(short int), 1, pFile);
-    written += fwrite(&bits, sizeof(unsigned char), 1, pFile);
-
-    // Write useless data.
-    written += fwrite(&uselessChar, sizeof(unsigned char), 1, pFile);
-
-    // Get image size.
-    Size = width * height * colorMode;
-
-    // Now switch image from RGB to BGR.
-    for (index = 0; index < Size; index += colorMode){
-        tempColors = image[index];
-        image[index] = image[index + 2];
-        image[index + 2] = tempColors;
-    }
-
-    // Finally write the image.
-    written += fwrite(image, sizeof(unsigned char), Size, pFile);
-
-    // close the file.
-    fclose(pFile);
-    delete[] image;
-
-    return (written > 0);
-}
-
 const ivec4& GLCanvas::getRgbaSize() const {
     return rgbaSize_;
 }

ext/tgt/glcanvas.h

@@ -150,10 +150,6 @@ public:
     /// wheater canvas automatically calls glFlush or swap
     bool getAutoFlush();
 
-    ///Take a screenshot and save it as TGA file.
-    ///@param fname Target filename
-    bool takeScreenshot(std::string fname);
-
     /// Getter
     const ivec4& getRgbaSize() const;
 

ext/tgt/guiapplication.cpp

@@ -52,9 +52,9 @@ void GUIApplication::removeCanvas(GLCanvas* canvas) {
 }
 
 void GUIApplication::initCanvases() {
-    std::list<GLCanvas*>::iterator iter;
-    for ( iter = canvases_.begin(); iter != canvases_.end(); iter++ ) {
-        if (!(*iter)->isInitialized()) (*iter)->init();
+    for (std::list<GLCanvas*>::iterator iter = canvases_.begin(); iter != canvases_.end(); ++iter) {
+        if (! (*iter)->isInitialized())
+            (*iter)->init();
     }
 }
 

ext/tgt/logmanager.cpp

@@ -297,7 +297,7 @@ LogManager::LogManager(const std::string& logDir)
 
 LogManager::~LogManager() {
     vector<Log*>::iterator it;
-     for (it = logs_.begin(); it != logs_.end(); it++)
+     for (it = logs_.begin(); it != logs_.end(); ++it)
         delete (*it);
 
     delete consoleLog_;
@@ -311,7 +311,7 @@ void LogManager::log(const std::string &cat, LogLevel level, const std::string &
                      const std::string &extendedInfo)
 {
     vector<Log*>::iterator it;
-    for (it = logs_.begin(); it != logs_.end(); it++) {
+    for (it = logs_.begin(); it != logs_.end(); ++it) {
         if (*it != 0)
             (*it)->log(cat, level, msg, extendedInfo);
     }

ext/tgt/naturalcubicspline.cpp

@@ -121,10 +121,9 @@ int NaturalCubicSpline::lookup(float x) const {
     else {
         int i1 = 0;
         int i2 = size - 2;
-        int i3 = 0;
 
         while (i2 - i1 > 1) {
-            i3 = i1 + ((i2 - i1) >> 1);
+            int i3 = i1 + ((i2 - i1) >> 1);
             if (points_[i3].x > x)
                 i2 = i3;
             else

modules/devil/processors/devilimagereader.cpp

@@ -56,7 +56,8 @@ namespace campvis {
         , p_url("url", "Image URL", "")
         , p_targetImageID("targetImageName", "Target Image ID", "DevilImageReader.output", DataNameProperty::WRITE)
         , p_importType("ImportType", "Import Type", importOptions, 3)
-        , _devilTextureReader(0)
+        , _shader(nullptr)
+        , _devilTextureReader(nullptr)
     {
         addProperty(&p_url);
         addProperty(&p_targetImageID);

modules/io/processors/abstractimagereader.cpp

@@ -46,7 +46,7 @@ namespace campvis {
     void AbstractImageReader::setTargetImageId(DataNameProperty& targetImageId) {
         this->p_targetImageID.setValue(targetImageId.getValue());
         std::set<AbstractProperty*> sharedProperties = targetImageId.getSharedProperties();
-        for(std::set<AbstractProperty*>::iterator it = sharedProperties.begin(); it != sharedProperties.end(); it++) {
+        for(std::set<AbstractProperty*>::iterator it = sharedProperties.begin(); it != sharedProperties.end(); ++it) {
             this->p_targetImageID.addSharedProperty(*it);
         }
     }
@@ -60,7 +60,7 @@ namespace campvis {
     }
 
     bool AbstractImageReader::acceptsExtension(const std::string& extension) {
-        for(std::vector<std::string>::iterator it = this->_ext.begin(); it != this->_ext.end(); it++) {
+        for(std::vector<std::string>::iterator it = this->_ext.begin(); it != this->_ext.end(); ++it) {
             if(*it == extension) {
                 return true;
             }

modules/io/processors/abstractimagereader.h

@@ -78,8 +78,6 @@ namespace campvis {
 
     protected:
         std::vector<std::string> _ext;
-
-        static const std::string loggerCat_;
         
     private:
 

modules/io/processors/csvdimagereader.cpp

@@ -66,7 +66,6 @@ namespace campvis {
             size_t dimensionality = 3;
             tgt::svec3 size;
             WeaklyTypedPointer::BaseType pt;
-            size_t numChannels = 1;
 
             tgt::vec3 voxelSize(1.f);
             tgt::vec3 imageOffset(0.f);
@@ -138,6 +137,8 @@ namespace campvis {
             file.close(); \
         } \
         rep = GenericImageRepresentationLocal<C_TYPE, 1>::create(image, dataArray); \
+        if (rep == 0) \
+            delete [] dataArray; \
     }
 
                 DISPATCH_PARSING(WeaklyTypedPointer::UINT8      , uint8_t, uint16_t)

modules/io/processors/genericimagereader.cpp

@@ -67,7 +67,7 @@ namespace campvis {
     }
 
     void GenericImageReader::deinit() {
-        for(std::map<AbstractImageReader*, MetaProperty*>::iterator it = this->_readers.begin(); it != this->_readers.end(); it++) {
+        for(std::map<AbstractImageReader*, MetaProperty*>::iterator it = this->_readers.begin(); it != this->_readers.end(); ++it) {
             if (nullptr != it->first) delete it->first;
             if (nullptr != it->second) delete it->second;
         }
@@ -128,7 +128,7 @@ namespace campvis {
         if(it != this->_readers.end()) {
             (it->first)->p_targetImageID.setValue(targetImageId.getValue());
             std::set<AbstractProperty*> sharedProperties = targetImageId.getSharedProperties();
-            for(std::set<AbstractProperty*>::iterator jt = sharedProperties.begin(); jt != sharedProperties.end(); jt++) {
+            for(std::set<AbstractProperty*>::iterator jt = sharedProperties.begin(); jt != sharedProperties.end(); ++jt) {
                 (it->first)->p_targetImageID.addSharedProperty(*jt);
             }
         }