Exemplo n.º 1
0
void QgsFillSymbolLayerV2::drawPreviewIcon( QgsSymbolV2RenderContext& context, QSize size )
{
  QPolygonF poly = QRectF( QPointF( 0, 0 ), QPointF( size.width(), size.height() ) );
  startRender( context );
  renderPolygon( poly, NULL, context );
  stopRender( context );
}
Exemplo n.º 2
0
//static
void LLVertexBuffer::cleanupClass()
{
	LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
	sLockedList.clear();
	startRender(); 
	stopRender();
	clientCopy(); // deletes GL buffers
}
Exemplo n.º 3
0
void QgsLineSymbolLayerV2::drawPreviewIcon( QgsSymbolV2RenderContext& context, QSize size )
{
  QPolygonF points;
  // we're adding 0.5 to get rid of blurred preview:
  // drawing antialiased lines of width 1 at (x,0)-(x,100) creates 2px line
  points << QPointF( 0, size.height() / 2 + 0.5 ) << QPointF( size.width(), size.height() / 2 + 0.5 );

  startRender( context );
  renderPolyline( points, context );
  stopRender( context );
}
Exemplo n.º 4
0
bool wyDirector::pause() {
	if(m_paused || m_glView == NULL)
		return false;

	// set flag
	m_paused = true;

	// stop render
	stopRender();

	// notify
	notifyDirectorPaused();

	return true;
}
Exemplo n.º 5
0
void QgsMarkerSymbolLayer::drawPreviewIcon( QgsSymbolRenderContext &context, QSize size )
{
  startRender( context );
  QgsPaintEffect *effect = paintEffect();
  if ( effect && effect->enabled() )
  {
    QgsEffectPainter p( context.renderContext(), effect );
    renderPoint( QPointF( size.width() / 2, size.height() / 2 ), context );
  }
  else
  {
    renderPoint( QPointF( size.width() / 2, size.height() / 2 ), context );
  }
  stopRender( context );
}
Exemplo n.º 6
0
void QgsFillSymbolLayer::drawPreviewIcon( QgsSymbolRenderContext &context, QSize size )
{
  QPolygonF poly = QRectF( QPointF( 0, 0 ), QPointF( size.width(), size.height() ) );
  startRender( context );
  QgsPaintEffect *effect = paintEffect();
  if ( effect && effect->enabled() )
  {
    QgsEffectPainter p( context.renderContext(), effect );
    renderPolygon( poly, nullptr, context );
  }
  else
  {
    renderPolygon( poly, nullptr, context );
  }
  stopRender( context );
}
Exemplo n.º 7
0
void QgsLineSymbolLayer::drawPreviewIcon( QgsSymbolRenderContext &context, QSize size )
{
  QPolygonF points;
  // we're adding 0.5 to get rid of blurred preview:
  // drawing antialiased lines of width 1 at (x,0)-(x,100) creates 2px line
  points << QPointF( 0, int( size.height() / 2 ) + 0.5 ) << QPointF( size.width(), int( size.height() / 2 ) + 0.5 );

  startRender( context );
  QgsPaintEffect *effect = paintEffect();
  if ( effect && effect->enabled() )
  {
    QgsEffectPainter p( context.renderContext(), effect );
    renderPolyline( points, context );
  }
  else
  {
    renderPolyline( points, context );
  }
  stopRender( context );
}
Exemplo n.º 8
0
QImage QgsSymbolV2::bigSymbolPreviewImage()
{
  QImage preview( QSize( 100, 100 ), QImage::Format_ARGB32_Premultiplied );
  preview.fill( 0 );

  QPainter p( &preview );
  p.setRenderHint( QPainter::Antialiasing );
  p.translate( 0.5, 0.5 ); // shift by half a pixel to avoid blurring due antialising

  if ( mType == QgsSymbolV2::Marker )
  {
    p.setPen( QPen( Qt::gray ) );
    p.drawLine( 0, 50, 100, 50 );
    p.drawLine( 50, 0, 50, 100 );
  }

  QgsRenderContext context = QgsSymbolLayerV2Utils::createRenderContext( &p );
  startRender( context );

  if ( mType == QgsSymbolV2::Line )
  {
    QPolygonF poly;
    poly << QPointF( 0, 50 ) << QPointF( 99, 50 );
    static_cast<QgsLineSymbolV2*>( this )->renderPolyline( poly, 0, context );
  }
  else if ( mType == QgsSymbolV2::Fill )
  {
    QPolygonF polygon;
    polygon << QPointF( 20, 20 ) << QPointF( 80, 20 ) << QPointF( 80, 80 ) << QPointF( 20, 80 ) << QPointF( 20, 20 );
    static_cast<QgsFillSymbolV2*>( this )->renderPolygon( polygon, NULL, 0, context );
  }
  else // marker
  {
    static_cast<QgsMarkerSymbolV2*>( this )->renderPoint( QPointF( 50, 50 ), 0, context );
  }

  stopRender( context );
  return preview;
}
Exemplo n.º 9
0
void QgsMarkerSymbolLayerV2::drawPreviewIcon( QgsSymbolV2RenderContext& context, QSize size )
{
  startRender( context );
  renderPoint( QPointF( size.width() / 2, size.height() / 2 ), context );
  stopRender( context );
}