[Qgis-community-team] HI

[Otto Dassau]

Hi Sahana, 

please post this email to the QGIS user list:
http://lists.osgeo.org/mailman/listinfo/qgis-user

the community list deals with topics like documentation, context help,
user-guide, online experience ...

regards,
 Otto

On Fri, 13 Feb 2009 10:47:15 +0530
Sahana BS <sahana at analytica-india.com> wrote:

> Hi.
> 
>       i am using qgis_0.11.0, in windows i have installed.  i have created a
> plugin but the problem is i need to draw something on the screen  by using
> this plugin but i am not getting here is my code.can anybody please help
> me............... i am new to this.............
> 
> 
> 
> #include "qgspointconverterplugin.h"
> 
> 
> #ifdef WIN32
> #define QGISEXTERN extern "C" __declspec( dllexport )
> #else
> #define QGISEXTERN extern "C"
> #endif
> QgsPointConverterPlugin::QgsPointConverterPlugin(QgisInterface* iface):
> mIface(iface), qGisInterface( iface)
> {
> }
> QgsPointConverterPlugin::~QgsPointConverterPlugin()
> {
> }
> void QgsPointConverterPlugin::initGui()
> {
>   // myQActionPointer = new QAction( QIcon( ":/scale_bar.png" ), tr( "&Scale
> Bar" ), this );
>   mAction = new QAction(tr("&Convert to point"), this);
>   connect(mAction, SIGNAL(activated()), this, SLOT( run() ) );
>   connect( qGisInterface->getMapCanvas(), SIGNAL( renderComplete( QPainter *
> ) ), this, SLOT( render(QPainter * )) );
> 
>   mIface->addToolBarIcon(mAction);
>   mIface->addPluginMenu(tr("&Convert to point"), mAction);
> }
> void QgsPointConverterPlugin::unload()
> {
>   mIface->removeToolBarIcon(mAction);
>   mIface->removePluginMenu(tr("&Convert to point"), mAction);
>   delete mAction;
> }
> //void QgsPointConverterPlugin::refreshCanvas()
> //{
> //  qGisInterface->mapCanvas()->refresh();
> //}
> 
> void QgsPointConverterPlugin::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->setColour( mColour );*/
> 
>   /*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( changeColour( QColor ) ), this, SLOT(
> setColour( QColor ) ) );
>   connect( myPluginGui, SIGNAL( refreshCanvas() ), this, SLOT(
> refreshCanvas() ) );
>   myPluginGui->show();*/
> }
> void QgsPointConverterPlugin::render(QPainter *painter)//
> {
> 
>   painter->setRenderHint(QPainter::Antialiasing, true);
>   painter->setPen(QPen(Qt::black, 12, Qt::DashDotLine, Qt::RoundCap));
>   painter->setBrush(QBrush(Qt::green, Qt::SolidPattern));
>   painter->drawEllipse(10, 10, 100, 140);
> 
> 
> }
> 
> QGISEXTERN QgisPlugin* classFactory(QgisInterface* iface)
> {
>   return new QgsPointConverterPlugin(iface);
> }
> 
> QGISEXTERN QString name()
> {
>   return "point converter plugin";
> }
> QGISEXTERN QString description()
> {
>   return "A plugin that converts vector layers to delimited text point
> files";
> }
> QGISEXTERN QString version()
> {
>   return "0.00001";
> }
> 
> 
> // Return the type (either UI or MapLayer plugin)
> QGISEXTERN int type()
> {
>   return QgisPlugin::UI;
> }
> // Delete ourself
> QGISEXTERN void unload(QgisPlugin* theQgsPointConverterPluginPointer)
> {
> 
>   //disconnect( qGisInterface->mapCanvas(), SIGNAL( renderComplete( QPainter
> * ) ),
>               //this, SLOT( renderScaleBar( QPainter * ) ) );
>  // refreshCanvas();
> 
>   //delete myQActionPointer;
>   delete theQgsPointConverterPluginPointer;
> }