void PaintArea::clearHistory()
{
_history.clear();
_redo.clear();
emit noUndo();
emit noRedo();
}
void PaintArea::Undo()
{
if (_history.size() != 0)
{
_redo.push_back(image);
emit enableRedo();
image = _history.back();
_history.pop_back();
update();
}
if (_history.size() == 0)
emit noUndo();
}
/******************************************************************************
* Handles the menu item event.
******************************************************************************/
void ViewportMenu::onCreateCamera()
{
UndoableTransaction::handleExceptions(_viewport->dataset()->undoStack(), tr("Create camera"), [this]() {
SceneRoot* scene = _viewport->dataset()->sceneRoot();
AnimationSuspender animSuspender(_viewport->dataset()->animationSettings());
// Create and initialize the camera object.
OORef<CameraObject> cameraObj;
OORef<ObjectNode> cameraNode;
{
UndoSuspender noUndo(_viewport->dataset()->undoStack());
cameraObj = new CameraObject(_viewport->dataset());
cameraObj->setIsPerspective(_viewport->isPerspectiveProjection());
if(_viewport->isPerspectiveProjection())
cameraObj->fovController()->setFloatValue(0, _viewport->fieldOfView());
else
cameraObj->zoomController()->setFloatValue(0, _viewport->fieldOfView());
// Create an object node for the camera.
cameraNode = new ObjectNode(_viewport->dataset());
cameraNode->setDataProvider(cameraObj);
// Give the new node a name.
cameraNode->setName(scene->makeNameUnique(tr("Camera")));
// Position camera node to match the current view.
AffineTransformation tm = _viewport->inverseViewMatrix();
if(_viewport->isPerspectiveProjection() == false) {
// Position camera with parallel projection outside of scene bounding box.
tm = tm * AffineTransformation::translation(
Vector3(0, 0, -_viewport->_projParams.znear + 0.2f * (_viewport->_projParams.zfar-_viewport->_projParams.znear)));
}
cameraNode->transformationController()->setTransformationValue(0, tm, true);
}
// Insert node into scene.
scene->addChild(cameraNode);
// Set new camera as view node for current viewport.
_viewport->setViewType(Viewport::VIEW_SCENENODE);
_viewport->setViewNode(cameraNode);
});
}
PaintArea::PaintArea(QWidget *parent) : QWidget(parent)
{
setAttribute(Qt::WA_StaticContents);
modified = false;
scribbling = false;
myPenWidth = 1;
myPenColor = Qt::black;
myFillColor = Qt::white;
_tool = 0;
_scroll = image;
_isselect = false;
_right = false;
mySprayWidth = 10;
_scaled = false;
_size_x = 400;
_size_y = 300;
emit setSize(_size_x, _size_y);
emit noRedo();
emit noUndo();
srand (time(NULL));
}
// File Operations
bool PaintArea::openImage(const QString &fileName)
{
QImage loadedImage;
if (!loadedImage.load(fileName))
return false;
_size_x = loadedImage.width();
_size_y = loadedImage.height();
resize(_size_x, _size_y);
setMinimumSize(_size_x, _size_y);
setMaximumSize(_size_x, _size_y);
emit setSize(_size_x, _size_y);
image = loadedImage;
modified = false;
_scaled = false;
update();
_history.clear();
_redo.clear();
emit noRedo();
emit noUndo();
return true;
}
/******************************************************************************
* Is called after the application has been completely initialized.
******************************************************************************/
void ScriptAutostarter::applicationStarted()
{
// Execute the script commands and files passed on the command line.
QStringList scriptCommands = Application::instance().cmdLineParser().values("exec");
QStringList scriptFiles = Application::instance().cmdLineParser().values("script");
if(!scriptCommands.empty() || !scriptFiles.empty()) {
// Get the current dataset.
DataSet* dataset = Application::instance().datasetContainer()->currentSet();
// Suppress undo recording. Actions performed by startup scripts cannot be undone.
UndoSuspender noUndo(dataset);
// Set up script engine.
ScriptEngine engine(dataset);
// Pass command line parameters to the script.
QStringList scriptArguments = Application::instance().cmdLineParser().values("scriptarg");
// Execute script commands.
for(int index = scriptCommands.size() - 1; index >= 0; index--) {
const QString& command = scriptCommands[index];
try {
engine.execute(command, scriptArguments);
}
catch(Exception& ex) {
ex.prependGeneralMessage(tr("Error during Python script execution."));
throw;
}
}
// Execute script files.
for(int index = scriptFiles.size() - 1; index >= 0; index--) {
engine.executeFile(scriptFiles[index], scriptArguments);
}
}
}
