/*!
\brief Render the plot to a given rectangle ( f.e QPrinter, QSvgRenderer )
\param plot Plot widget to be rendered
\param painter Painter
\param plotRect Bounding rectangle for the plot
*/
void QwtPolarRenderer::render( QwtPolarPlot *plot,
QPainter *painter, const QRectF &plotRect ) const
{
if ( plot == NULL || painter == NULL || !painter->isActive() ||
!plotRect.isValid() || plot->size().isNull() )
{
return;
}
d_data->plot = plot;
/*
The layout engine uses the same methods as they are used
by the Qt layout system. Therefore we need to calculate the
layout in screen coordinates and paint with a scaled painter.
*/
QTransform transform;
transform.scale(
double( painter->device()->logicalDpiX() ) / plot->logicalDpiX(),
double( painter->device()->logicalDpiY() ) / plot->logicalDpiY() );
const QRectF layoutRect = transform.inverted().mapRect( plotRect );
QwtPolarLayout *layout = plot->plotLayout();
// All paint operations need to be scaled according to
// the paint device metrics.
QwtPolarLayout::Options layoutOptions =
QwtPolarLayout::IgnoreScrollbars | QwtPolarLayout::IgnoreFrames;
layout->activate( plot, layoutRect, layoutOptions );
painter->save();
painter->setWorldTransform( transform, true );
painter->save();
renderTitle( painter, layout->titleRect() );
painter->restore();
painter->save();
renderLegend( painter, layout->legendRect() );
painter->restore();
const QRectF &canvasRect = layout->canvasRect();
painter->save();
painter->setClipRect( canvasRect );
plot->drawCanvas( painter, canvasRect );
painter->restore();
painter->restore();
layout->invalidate();
d_data->plot = NULL;
}
/*!
\brief Render the plot to a given rectangle ( f.e on a QPrinter, QSvgRenderer )
\param painter Painter
\param plotRect Bounding rectangle for the plot
*/
void QwtPolarPlot::renderTo( QPainter *painter, const QRect &plotRect ) const
{
if ( painter == 0 || !painter->isActive() ||
!plotRect.isValid() || size().isNull() )
{
return;
}
// All paint operations need to be scaled according to
// the paint device metrics.
QwtPainter::setMetricsMap( this, painter->device() );
const QwtMetricsMap &metricsMap = QwtPainter::metricsMap();
int layoutOptions = QwtPolarLayout::IgnoreScrollbars
| QwtPolarLayout::IgnoreFrames;
(( QwtPolarPlot * )this )->plotLayout()->activate( this,
QwtPainter::metricsMap().deviceToLayout( plotRect ),
layoutOptions );
painter->save();
renderTitle( painter, plotLayout()->titleRect() );
painter->restore();
painter->save();
renderLegend( painter, plotLayout()->legendRect() );
painter->restore();
QRect canvasRect = plotLayout()->canvasRect();
canvasRect = metricsMap.layoutToDevice( canvasRect );
QwtPainter::setMetricsMap( painter->device(), painter->device() );
painter->save();
painter->setClipRect( canvasRect );
drawCanvas( painter, canvasRect );
painter->restore();
QwtPainter::resetMetricsMap();
(( QwtPolarPlot * )this )->plotLayout()->invalidate();
}
//--------------------------------------------------------------------------------------------------
/// Set up camera/viewport and render
//--------------------------------------------------------------------------------------------------
void OverlayColorLegend::render(OpenGLContext* oglContext, const Vec2ui& position, const Vec2ui& size, bool software)
{
if (size.x() <= 0 || size.y() <= 0)
{
return;
}
Camera camera;
camera.setViewport(position.x(), position.y(), size.x(), size.y());
camera.setProjectionAsPixelExact2D();
camera.setViewMatrix(Mat4d::IDENTITY);
camera.applyOpenGL();
camera.viewport()->applyOpenGL(oglContext, Viewport::CLEAR_DEPTH);
// Get layout information
// Todo: Cache this between renderings. Update only when needed.
OverlayColorLegendLayoutInfo layout(position, size);
layoutInfo(&layout);
// Set up text drawer
TextDrawer textDrawer(m_font.p());
setupTextDrawer(&textDrawer, &layout);
// Do the actual rendering
if (software)
{
renderLegendImmediateMode(oglContext, &layout);
textDrawer.renderSoftware(oglContext, camera);
}
else
{
const MatrixState matrixState(camera);
renderLegend(oglContext, &layout, matrixState);
textDrawer.render(oglContext, camera);
}
CVF_CHECK_OGL(oglContext);
}
/*!
Paint the contents of a QwtPlot instance into a given rectangle.
\param plot Plot to be rendered
\param painter Painter
\param plotRect Bounding rectangle
\sa renderDocument(), renderTo(), QwtPainter::setRoundingAlignment()
*/
void QwtPlotRenderer::render( QwtPlot *plot,
QPainter *painter, const QRectF &plotRect ) const
{
int axisId;
if ( painter == 0 || !painter->isActive() ||
!plotRect.isValid() || plot->size().isNull() )
return;
if ( !( d_data->discardFlags & DiscardBackground ) )
qwtRenderBackground( painter, plotRect, plot );
/*
The layout engine uses the same methods as they are used
by the Qt layout system. Therefore we need to calculate the
layout in screen coordinates and paint with a scaled painter.
*/
QTransform transform;
transform.scale(
double( painter->device()->logicalDpiX() ) / plot->logicalDpiX(),
double( painter->device()->logicalDpiY() ) / plot->logicalDpiY() );
QRectF layoutRect = transform.inverted().mapRect( plotRect );
if ( !( d_data->discardFlags & DiscardBackground ) )
{
// subtract the contents margins
int left, top, right, bottom;
plot->getContentsMargins( &left, &top, &right, &bottom );
layoutRect.adjust( left, top, -right, -bottom );
}
int baseLineDists[QwtPlot::axisCnt];
if ( d_data->layoutFlags & FrameWithScales )
{
for ( axisId = 0; axisId < QwtPlot::axisCnt; axisId++ )
{
QwtScaleWidget *scaleWidget = plot->axisWidget( axisId );
if ( scaleWidget )
{
baseLineDists[axisId] = scaleWidget->margin();
scaleWidget->setMargin( 0 );
}
if ( !plot->axisEnabled( axisId ) )
{
int left = 0;
int right = 0;
int top = 0;
int bottom = 0;
// When we have a scale the frame is painted on
// the position of the backbone - otherwise we
// need to introduce a margin around the canvas
switch( axisId )
{
case QwtPlot::yLeft:
layoutRect.adjust( 1, 0, 0, 0 );
break;
case QwtPlot::yRight:
layoutRect.adjust( 0, 0, -1, 0 );
break;
case QwtPlot::xTop:
layoutRect.adjust( 0, 1, 0, 0 );
break;
case QwtPlot::xBottom:
layoutRect.adjust( 0, 0, 0, -1 );
break;
default:
break;
}
layoutRect.adjust( left, top, right, bottom );
}
}
}
// Calculate the layout for the document.
QwtPlotLayout::Options layoutOptions =
QwtPlotLayout::IgnoreScrollbars | QwtPlotLayout::IgnoreFrames;
if ( d_data->discardFlags & DiscardLegend )
layoutOptions |= QwtPlotLayout::IgnoreLegend;
plot->plotLayout()->activate( plot, layoutRect, layoutOptions );
// now start painting
painter->save();
painter->setWorldTransform( transform, true );
// canvas
QwtScaleMap maps[QwtPlot::axisCnt];
buildCanvasMaps( plot, plot->plotLayout()->canvasRect(), maps );
renderCanvas( plot, painter, plot->plotLayout()->canvasRect(), maps );
if ( !( d_data->discardFlags & DiscardTitle )
&& ( !plot->titleLabel()->text().isEmpty() ) )
{
renderTitle( plot, painter, plot->plotLayout()->titleRect() );
}
if ( !( d_data->discardFlags & DiscardLegend )
&& plot->legend() && !plot->legend()->isEmpty() )
{
renderLegend( plot, painter, plot->plotLayout()->legendRect() );
}
for ( axisId = 0; axisId < QwtPlot::axisCnt; axisId++ )
{
QwtScaleWidget *scaleWidget = plot->axisWidget( axisId );
if ( scaleWidget )
{
int baseDist = scaleWidget->margin();
int startDist, endDist;
scaleWidget->getBorderDistHint( startDist, endDist );
renderScale( plot, painter, axisId, startDist, endDist,
baseDist, plot->plotLayout()->scaleRect( axisId ) );
}
}
plot->plotLayout()->invalidate();
// reset all widgets with their original attributes.
if ( d_data->layoutFlags & FrameWithScales )
{
// restore the previous base line dists
for ( axisId = 0; axisId < QwtPlot::axisCnt; axisId++ )
{
QwtScaleWidget *scaleWidget = plot->axisWidget( axisId );
if ( scaleWidget )
scaleWidget->setMargin( baseLineDists[axisId] );
}
}
painter->restore();
}
/*!
Paint the contents of a QwtPlot instance into a given rectangle.
\param plot Plot to be rendered
\param painter Painter
\param plotRect Bounding rectangle
\sa renderDocument(), renderTo(), QwtPainter::setRoundingAlignment()
*/
void QwtPlotRenderer::render( QwtPlot *plot,
QPainter *painter, const QRectF &plotRect ) const
{
int axisId;
if ( painter == 0 || !painter->isActive() ||
!plotRect.isValid() || plot->size().isNull() )
return;
if ( !( d_data->discardFlags & DiscardBackground ) )
qwtRenderBackground( painter, plotRect, plot );
/*
The layout engine uses the same methods as they are used
by the Qt layout system. Therefore we need to calculate the
layout in screen coordinates and paint with a scaled painter.
*/
QTransform transform;
transform.scale(
double( painter->device()->logicalDpiX() ) / plot->logicalDpiX(),
double( painter->device()->logicalDpiY() ) / plot->logicalDpiY() );
painter->save();
int baseLineDists[QwtPlot::axisCnt];
if ( d_data->layoutFlags & FrameWithScales )
{
for ( axisId = 0; axisId < QwtPlot::axisCnt; axisId++ )
{
QwtScaleWidget *scaleWidget = plot->axisWidget( axisId );
if ( scaleWidget )
{
baseLineDists[axisId] = scaleWidget->margin();
scaleWidget->setMargin( 0 );
}
}
}
// Calculate the layout for the print.
QwtPlotLayout::Options layoutOptions =
QwtPlotLayout::IgnoreScrollbars | QwtPlotLayout::IgnoreFrames;
if ( d_data->discardFlags & DiscardLegend )
layoutOptions |= QwtPlotLayout::IgnoreLegend;
const QRectF layoutRect = transform.inverted().mapRect( plotRect );
plot->plotLayout()->activate( plot, layoutRect, layoutOptions );
painter->setWorldTransform( transform, true );
// canvas
QwtScaleMap maps[QwtPlot::axisCnt];
buildCanvasMaps( plot, plot->plotLayout()->canvasRect(), maps );
renderCanvas( plot, painter, plot->plotLayout()->canvasRect(), maps );
if ( !( d_data->discardFlags & DiscardTitle )
&& ( !plot->titleLabel()->text().isEmpty() ) )
{
renderTitle( plot, painter, plot->plotLayout()->titleRect() );
}
if ( !( d_data->discardFlags & DiscardLegend )
&& plot->legend() && !plot->legend()->isEmpty() )
{
renderLegend( plot, painter, plot->plotLayout()->legendRect() );
}
for ( axisId = 0; axisId < QwtPlot::axisCnt; axisId++ )
{
QwtScaleWidget *scaleWidget = plot->axisWidget( axisId );
if ( scaleWidget )
{
int baseDist = scaleWidget->margin();
int startDist, endDist;
scaleWidget->getBorderDistHint( startDist, endDist );
renderScale( plot, painter, axisId, startDist, endDist,
baseDist, plot->plotLayout()->scaleRect( axisId ) );
}
}
plot->plotLayout()->invalidate();
// reset all widgets with their original attributes.
if ( d_data->layoutFlags & FrameWithScales )
{
// restore the previous base line dists
for ( axisId = 0; axisId < QwtPlot::axisCnt; axisId++ )
{
QwtScaleWidget *scaleWidget = plot->axisWidget( axisId );
if ( scaleWidget )
scaleWidget->setMargin( baseLineDists[axisId] );
}
}
painter->restore();
}
void VisusTickMarks::display3D(VisusTransformation3D model_view_3D)
{
VisusTransformation3D local;
GLint viewport[4]; // x, y, width, height
int canvas_width, canvas_height;
getValue<VisusSharedTransformation3D>(local);
if (mParent==NULL)
getValue<VisusSharedBoundingBox>(mBBox);
else
mParent->getValue<VisusSharedBoundingBox>(mBBox);
switch (mTMAxis) {
case TM_X_AXIS:
mAxis.minValue(mBBox[0]);
mAxis.maxValue(mBBox[3]);
break;
case TM_Y_AXIS:
mAxis.minValue(mBBox[1]);
mAxis.maxValue(mBBox[4]);
break;
case TM_Z_AXIS:
mAxis.minValue(mBBox[2]);
mAxis.maxValue(mBBox[5]);
break;
}
//fprintf(stderr,"Axis [%f,%f] \n",mAxis.mMinValue,mAxis.mMaxValue);
//fprintf(stderr,"VisusTickMarks bbox: [%f,%f,%f] x [%f,%f,%f]\n",mBBox[0],mBBox[1],mBBox[2],
// mBBox[3],mBBox[4],mBBox[5]);
model_view_3D *= local;
// Determine Where To Draw Ticks
getMostVisible(model_view_3D);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadMatrixf(model_view_3D);
// Get the current viewport
glGetIntegerv(GL_VIEWPORT,viewport);
canvas_width = viewport[2];
canvas_height = viewport[3];
renderTickMarks(canvas_width, canvas_height);
renderLegend(canvas_width,canvas_height);
if (mDrawBoundingBox)
displayBoundingBox();
for (CIterator it=mChildren.begin();it!=mChildren.end();it++)
(*it)->display(model_view_3D);
glPopMatrix();
vglerror();
}
/*!
Paint the contents of a QwtPlot instance into a given rectangle.
\param plot Plot to be rendered
\param painter Painter
\param plotRect Bounding rectangle
\sa renderDocument(), renderTo(), QwtPainter::setRoundingAlignment()
*/
void QwtPlotRenderer::render( QwtPlot *plot,
QPainter *painter, const QRectF &plotRect ) const
{
if ( painter == 0 || !painter->isActive() ||
!plotRect.isValid() || plot->size().isNull() )
{
return;
}
if ( !( d_data->discardFlags & DiscardBackground ) )
QwtPainter::drawBackgound( painter, plotRect, plot );
/*
The layout engine uses the same methods as they are used
by the Qt layout system. Therefore we need to calculate the
layout in screen coordinates and paint with a scaled painter.
*/
QTransform transform;
transform.scale(
double( painter->device()->logicalDpiX() ) / plot->logicalDpiX(),
double( painter->device()->logicalDpiY() ) / plot->logicalDpiY() );
QRectF layoutRect = transform.inverted().mapRect( plotRect );
if ( !( d_data->discardFlags & DiscardBackground ) )
{
// subtract the contents margins
int left, top, right, bottom;
plot->getContentsMargins( &left, &top, &right, &bottom );
layoutRect.adjust( left, top, -right, -bottom );
}
QwtPlotLayout *layout = plot->plotLayout();
int baseLineDists[QwtAxis::PosCount];
int canvasMargins[QwtAxis::PosCount];
for ( int axisPos = 0; axisPos < QwtAxis::PosCount; axisPos++ )
{
canvasMargins[ axisPos ] = layout->canvasMargin( axisPos );
if ( d_data->layoutFlags & FrameWithScales )
{
const QwtAxisId axisId( axisPos, QWT_DUMMY_ID );
QwtScaleWidget *scaleWidget = plot->axisWidget( axisId );
if ( scaleWidget )
{
baseLineDists[ axisPos ] = scaleWidget->margin();
scaleWidget->setMargin( 0 );
}
if ( !plot->isAxisVisible( axisId ) )
{
int left = 0;
int right = 0;
int top = 0;
int bottom = 0;
// When we have a scale the frame is painted on
// the position of the backbone - otherwise we
// need to introduce a margin around the canvas
switch( axisPos )
{
case QwtAxis::yLeft:
layoutRect.adjust( 1, 0, 0, 0 );
break;
case QwtAxis::yRight:
layoutRect.adjust( 0, 0, -1, 0 );
break;
case QwtAxis::xTop:
layoutRect.adjust( 0, 1, 0, 0 );
break;
case QwtAxis::xBottom:
layoutRect.adjust( 0, 0, 0, -1 );
break;
}
layoutRect.adjust( left, top, right, bottom );
}
}
}
// Calculate the layout for the document.
QwtPlotLayout::Options layoutOptions = QwtPlotLayout::IgnoreScrollbars;
if ( ( d_data->layoutFlags & FrameWithScales ) ||
( d_data->discardFlags & DiscardCanvasFrame ) )
{
layoutOptions |= QwtPlotLayout::IgnoreFrames;
}
if ( d_data->discardFlags & DiscardLegend )
layoutOptions |= QwtPlotLayout::IgnoreLegend;
if ( d_data->discardFlags & DiscardTitle )
layoutOptions |= QwtPlotLayout::IgnoreTitle;
if ( d_data->discardFlags & DiscardFooter )
layoutOptions |= QwtPlotLayout::IgnoreFooter;
layout->update( plot, layoutRect, layoutOptions );
// canvas
QwtScaleMapTable mapTable = buildCanvasMaps( plot, layout->canvasRect() );
if ( updateCanvasMargins( plot, layout->canvasRect(), mapTable ) )
{
// recalculate maps and layout, when the margins
// have been changed
layout->update( plot, layoutRect, layoutOptions );
mapTable = buildCanvasMaps( plot, layout->canvasRect() );
}
// now start painting
painter->save();
painter->setWorldTransform( transform, true );
renderCanvas( plot, painter, layout->canvasRect(), mapTable );
if ( !( d_data->discardFlags & DiscardTitle )
&& ( !plot->titleLabel()->text().isEmpty() ) )
{
renderTitle( plot, painter, layout->titleRect() );
}
if ( !( d_data->discardFlags & DiscardFooter )
&& ( !plot->footerLabel()->text().isEmpty() ) )
{
renderFooter( plot, painter, layout->footerRect() );
}
if ( !( d_data->discardFlags & DiscardLegend )
&& plot->legend() && !plot->legend()->isEmpty() )
{
renderLegend( plot, painter, layout->legendRect() );
}
for ( int axisPos = 0; axisPos < QwtAxis::PosCount; axisPos++ )
{
for ( int i = 0; i < plot->axesCount( i ); i++ )
{
const QwtAxisId axisId( axisPos, i );
QwtScaleWidget *scaleWidget = plot->axisWidget( axisId );
if ( scaleWidget )
{
int baseDist = scaleWidget->margin();
int startDist, endDist;
scaleWidget->getBorderDistHint( startDist, endDist );
renderScale( plot, painter, axisId, startDist, endDist,
baseDist, layout->scaleRect( axisId ) );
}
}
}
painter->restore();
// restore all setting to their original attributes.
for ( int axisPos = 0; axisPos < QwtAxis::PosCount; axisPos++ )
{
if ( d_data->layoutFlags & FrameWithScales )
{
const QwtAxisId axisId( axisPos, QWT_DUMMY_ID );
QwtScaleWidget *scaleWidget = plot->axisWidget( axisId );
if ( scaleWidget )
scaleWidget->setMargin( baseLineDists[axisPos] );
}
layout->setCanvasMargin( canvasMargins[axisPos] );
}
layout->invalidate();
}
