//! change the copyright font
void QgsCopyrightLabelPlugin::setFont( QFont theQFont )
{
mQFont = theQFont;
//save state to the project file.....
QgsProject::instance()->writeEntry( "CopyrightLabel", "/FontName", theQFont.family() );
//save state to the project file.....
QgsProject::instance()->writeEntry( "CopyrightLabel", "/FontSize", theQFont.pointSize() );
refreshCanvas();
}
// Unload the plugin by cleaning up the GUI
void QgsNorthArrowPlugin::unload()
{
// remove the GUI
qGisInterface->removePluginMenu( tr( "&Decorations" ), myQActionPointer );
qGisInterface->removeToolBarIcon( myQActionPointer );
// remove the northarrow from the canvas
disconnect( qGisInterface->mapCanvas(), SIGNAL( renderComplete( QPainter * ) ),
this, SLOT( renderNorthArrow( QPainter * ) ) );
refreshCanvas();
delete myQActionPointer;
}
void QgsScaleBarPluginGui::on_buttonBox_accepted()
{
hide();
emit changePlacement( cboPlacement->currentIndex() );
emit changePreferredSize( spnSize->value() );
emit changeSnapping( chkSnapping->isChecked() );
emit changeEnabled( chkEnable->isChecked() );
emit changeStyle( cboStyle->currentIndex() );
emit changeColor( pbnChangeColor->color() );
emit refreshCanvas();
accept();
}
// Slot called when the menu item is activated
void QgsScaleBarPlugin::run()
{
QgsScaleBarPluginGui *myPluginGui = new QgsScaleBarPluginGui( qGisInterface->mainWindow(), QgisGui::ModalDialogFlags );
myPluginGui->setAttribute( Qt::WA_DeleteOnClose );
myPluginGui->setPreferredSize( mPreferredSize );
myPluginGui->setSnapping( mSnapping );
myPluginGui->setPlacementLabels( mPlacementLabels );
myPluginGui->setPlacement( mPlacementIndex );
myPluginGui->setEnabled( mEnabled );
myPluginGui->setStyleLabels( mStyleLabels );
myPluginGui->setStyle( mStyleIndex );
myPluginGui->setColor( mColor );
connect( myPluginGui, SIGNAL( changePreferredSize( int ) ), this, SLOT( setPreferredSize( int ) ) );
connect( myPluginGui, SIGNAL( changeSnapping( bool ) ), this, SLOT( setSnapping( bool ) ) );
connect( myPluginGui, SIGNAL( changePlacement( int ) ), this, SLOT( setPlacement( int ) ) );
connect( myPluginGui, SIGNAL( changeEnabled( bool ) ), this, SLOT( setEnabled( bool ) ) );
connect( myPluginGui, SIGNAL( changeStyle( int ) ), this, SLOT( setStyle( int ) ) );
connect( myPluginGui, SIGNAL( changeColor( QColor ) ), this, SLOT( setColor( QColor ) ) );
connect( myPluginGui, SIGNAL( refreshCanvas() ), this, SLOT( refreshCanvas() ) );
myPluginGui->show();
//set the map units in the spin box
int myUnits = qGisInterface->mapCanvas()->mapUnits();
switch ( myUnits )
{
case 0:
myPluginGui->getSpinSize()->setSuffix( tr( " metres/km" ) );
break;
case 1:
myPluginGui->getSpinSize()->setSuffix( tr( " feet/miles" ) );
break;
case 2:
myPluginGui->getSpinSize()->setSuffix( tr( " degrees" ) );
break;
default:
QgsDebugMsg( QString( "Error: not picked up map units - actual value = %1" ).arg( myUnits ) );
};
}
void
EraserTool::paint(PaintCanvas *canvas) {
mRefreshRect = QRectF(mStartPoint, mEndPoint).normalized().toRect()
.adjusted(-mPen.width(), -mPen.width(), mPen.width(), mPen.width());
mPainter.begin(canvas->editImage());
mPainter.setRenderHint(QPainter::Antialiasing, false);
mPainter.setPen(mPen);
if(mStartPoint == mEndPoint)
mPainter.drawPoint(mStartPoint);
else
mPainter.drawLine(mStartPoint, mEndPoint);
mPainter.end();
refreshCanvas(canvas);
}
// Slot called when the buffer menu item is activated
void QgsNorthArrowPlugin::run()
{
QgsNorthArrowPluginGui *myPluginGui = new QgsNorthArrowPluginGui( qGisInterface->mainWindow(), QgisGui::ModalDialogFlags );
myPluginGui->setAttribute( Qt::WA_DeleteOnClose );
//overides function by the same name created in .ui
myPluginGui->setRotation( mRotationInt );
myPluginGui->setPlacementLabels( mPlacementLabels );
myPluginGui->setPlacement( mPlacementIndex );
myPluginGui->setEnabled( mEnable );
myPluginGui->setAutomatic( mAutomatic );
//listen for when the layer has been made so we can draw it
connect( myPluginGui, SIGNAL( rotationChanged( int ) ), this, SLOT( rotationChanged( int ) ) );
connect( myPluginGui, SIGNAL( changePlacement( int ) ), this, SLOT( setPlacement( int ) ) );
connect( myPluginGui, SIGNAL( enableAutomatic( bool ) ), this, SLOT( setAutomatic( bool ) ) );
connect( myPluginGui, SIGNAL( enableNorthArrow( bool ) ), this, SLOT( setEnabled( bool ) ) );
connect( myPluginGui, SIGNAL( needToRefresh() ), this, SLOT( refreshCanvas() ) );
myPluginGui->show();
}
/*
* Initialize the GUI interface for the plugin
*/
void QgsNorthArrowPlugin::initGui()
{
// Create the action for tool
myQActionPointer = new QAction( QIcon( ":/north_arrow.png" ), tr( "&North Arrow" ), this );
myQActionPointer->setWhatsThis( tr( "Creates a north arrow that is displayed on the map canvas" ) );
// Connect the action to the run
connect( myQActionPointer, SIGNAL( activated() ), this, SLOT( run() ) );
//render the arrow each time the map is rendered
connect( qGisInterface->mapCanvas(), SIGNAL( renderComplete( QPainter * ) ), this, SLOT( renderNorthArrow( QPainter * ) ) );
//this resets this plugin up if a project is loaded
connect( qGisInterface->mainWindow(), SIGNAL( projectRead() ), this, SLOT( projectRead() ) );
// Add the icon to the toolbar & appropriate menu
qGisInterface->addToolBarIcon( myQActionPointer );
qGisInterface->addPluginToMenu( tr( "&Decorations" ), myQActionPointer );
projectRead();
refreshCanvas();
}
QImage
StrokeTool::paintStroke(PaintCanvas *canvas) {
QPainterPath path;
path = strokePathCubic(m_pStrokePoints);
mRefreshRect = path.controlPointRect().toRect()
.adjusted(-mPen.width(), -mPen.width(), mPen.width(), mPen.width());
QImage strokeImage(mRefreshRect.size(), QImage::Format_ARGB32_Premultiplied);
strokeImage.setOffset(mRefreshRect.topLeft());
strokeImage.fill(0);
mPainter.begin(&strokeImage);
mPainter.setRenderHint(QPainter::Antialiasing, true);
mPainter.setPen(mPen);
mPainter.drawPath(path.translated(-mRefreshRect.topLeft()));
mPainter.end();
mPainter.begin(canvas->editImage());
mPainter.drawImage(mRefreshRect, strokeImage);
mPainter.end();
refreshCanvas(canvas);
return strokeImage;
}
//! set whether copyright label is enabled
void QgsCopyrightLabelPlugin::setEnable( bool theBool )
{
mEnable = theBool;
QgsProject::instance()->writeEntry( "CopyrightLabel", "/Enabled", mEnable );
refreshCanvas();
}
//! set placement of copyright label
void QgsCopyrightLabelPlugin::setPlacement( int placementIndex )
{
mPlacementIndex = placementIndex;
QgsProject::instance()->writeEntry( "CopyrightLabel", "/Placement", mPlacementIndex );
refreshCanvas();
}
//! change the copyright text color
void QgsCopyrightLabelPlugin::setColor( QColor theQColor )
{
mLabelQColor = theQColor;
QgsProject::instance()->writeEntry( "CopyrightLabel", "/Color", mLabelQColor.name() );
refreshCanvas();
}
//! change the copyright text
void QgsCopyrightLabelPlugin::setLabel( QString theLabelQString )
{
mLabelQString = theLabelQString;
QgsProject::instance()->writeEntry( "CopyrightLabel", "/Label", mLabelQString );
refreshCanvas();
}