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Resolved merge conflicts when reverting 686f632
This commit is contained in:
Tim Sutton
parent
af0782d7d5
commit
a654e274a3
@ -1,41 +1,14 @@
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/** \ingroup MapComposer
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* Class used to render an Atlas, iterating over geometry features.
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* prepareForFeature() modifies the atlas map's extent to zoom on the given feature.
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* This class is used for printing, exporting to PDF and images.
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* */
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class QgsAtlasRendering
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{
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public:
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QgsAtlasRendering( QgsComposition* composition );
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~QgsAtlasRendering();
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/** Begins the rendering. Sets an optional output filename pattern */
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void begin( const QString& filenamePattern = "" );
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/** Ends the rendering. Restores original extent*/
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void end();
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/** Returns the number of features in the coverage layer */
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size_t numFeatures() const;
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/** Prepare the atlas map for the given feature. Sets the extent and context variables */
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void prepareForFeature( size_t i );
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/** Returns the current filename. Must be called after prepareForFeature( i ) */
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const QString& currentFilename() const;
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};
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/** \ingroup MapComposer
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* Graphics scene for map printing. The class manages the paper item which always
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* is the item in the back (z-value 0). It maintains the z-Values of the items and stores
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* them in a list in ascending z-Order. This list can be changed to lower/raise items one position
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* or to bring them to front/back.
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* */
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class QgsComposition : QGraphicsScene
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class QgsComposition: QGraphicsScene
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{
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%TypeHeaderCode
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#include <qgscomposition.h>
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%End
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public:
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/** \brief Plot type */
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@ -94,27 +67,20 @@ class QgsComposition : QGraphicsScene
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/**Returns pointer to undo/redo command storage*/
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QUndoStack* undoStack();
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/**Returns the topmost composer item. Ignores mPaperItem*/
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/**Returns the topmose composer item. Ignores mPaperItem*/
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QgsComposerItem* composerItemAt( const QPointF & position );
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/** Returns the page number (0-bsaed) given a coordinate */
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int pageNumberAt( const QPointF& position ) const;
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/** Returns on which page number (0-based) is displayed an item */
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int itemPageNumber( const QgsComposerItem* ) const;
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QList<QgsComposerItem*> selectedComposerItems();
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/**Returns pointers to all composer maps in the scene*/
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%If (QLISTCONSTPTR_CONVERSION)
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QList<const QgsComposerMap*> composerMapItems() const;
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%End
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//todo: needs a new mapping for QList<const T*> ?
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// QList<const QgsComposerMap*> composerMapItems() const;
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/**Return composer items of a specific type*/
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// template<class T> void composerItems( QList<T*>& itemList );
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/**Returns the composer map with specified id
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@return QgsComposerMap or 0 pointer if the composer map item does not exist*/
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@return id or 0 pointer if the composer map item does not exist*/
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const QgsComposerMap* getComposerMapById( int id ) const;
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/*Returns the composer html with specified id (a string as named in the
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@ -145,10 +111,7 @@ class QgsComposition : QGraphicsScene
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/**Returns pointer to map renderer of qgis map canvas*/
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QgsMapRenderer* mapRenderer();
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QgsComposerMap* atlasMap();
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void setAtlasMap( QgsComposerMap* map );
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QgsComposition::PlotStyle plotStyle() const;
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QgsComposition::PlotStyle plotStyle();
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void setPlotStyle( QgsComposition::PlotStyle style );
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/**Returns the pixel font size for a font that has point size set.
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@ -177,13 +140,8 @@ class QgsComposition : QGraphicsScene
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@param doc xml document
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@param mapsToRestore for reading from project file: set preview move 'rectangle' to all maps and save the preview states to show composer maps on demand
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@param addUndoCommands insert AddItem commands if true (e.g. for copy/paste)
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@param pos item position. Optional, take position from xml if 0
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@note not available in python bindings
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*/
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/*
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void addItemsFromXML( const QDomElement& elem, const QDomDocument& doc, QMap< QgsComposerMap*, int >* mapsToRestore = 0,
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bool addUndoCommands = false, QPointF* pos = 0 );
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*/
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@param pos item position. Optional, take position from xml if 0*/
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//void addItemsFromXML( const QDomElement& elem, const QDomDocument& doc, QMap< QgsComposerMap*, int >* mapsToRestore, bool addUndoCommands = false, QPointF* pos = 0 );
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/**Adds item to z list. Usually called from constructor of QgsComposerItem*/
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void addItemToZList( QgsComposerItem* item );
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@ -234,7 +192,7 @@ class QgsComposition : QGraphicsScene
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/**Removes multi frame (but does not delete it)*/
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void removeMultiFrame( QgsComposerMultiFrame* multiFrame );
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/**Adds an arrow item to the graphics scene and advices composer to create a widget for it (through signal)*/
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void addComposerArrow( QgsComposerArrow* arrow );
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//void addComposerArrow( QgsComposerArrow* arrow );
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/**Adds label to the graphics scene and advices composer to create a widget for it (through signal)*/
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void addComposerLabel( QgsComposerLabel* label );
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/**Adds map to the graphics scene and advices composer to create a widget for it (through signal)*/
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@ -261,19 +219,10 @@ class QgsComposition : QGraphicsScene
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//printing
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/** Prepare the printer for printing */
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void beginPrint( QPrinter& printer );
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/** Prepare the printer for printing in a PDF */
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void beginPrintAsPDF( QPrinter& printer, const QString& file );
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/** Print on a preconfigured printer */
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void doPrint( QPrinter& printer, QPainter& painter );
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/** Convenience function that prepares the printer and prints */
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void print( QPrinter &printer );
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/** Convenience function that prepares the printer for printing in PDF and prints */
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void exportAsPDF( const QString& file );
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void print( QPrinter &printer );
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//! print composer page to image
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//! If the image does not fit into memory, a null image is returned
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QImage printPageAsRaster( int page );
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@ -67,16 +67,11 @@ struct QgsAtlasRendering::QgsAtlasRenderingImpl
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QgsAtlasRendering::QgsAtlasRendering( QgsComposition* composition )
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{
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impl = new QgsAtlasRendering::QgsAtlasRenderingImpl();
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impl = std::auto_ptr<QgsAtlasRendering::QgsAtlasRenderingImpl>( new QgsAtlasRendering::QgsAtlasRenderingImpl() );
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impl->composition = composition;
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impl->nFeatures = 0;
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}
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QgsAtlasRendering::~QgsAtlasRendering()
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{
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delete impl;
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}
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void QgsAtlasRendering::begin( const QString& filenamePattern )
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{
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if ( !impl->composition || !impl->composition->atlasMap() || !impl->composition->atlasMap()->atlasCoverageLayer() )
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@ -136,7 +131,7 @@ void QgsAtlasRendering::begin( const QString& filenamePattern )
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}
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// special columns for expressions
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QgsExpression::setSpecialColumn( "$numfeatures", QVariant(( int )impl->nFeatures ) );
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QgsExpression::setSpecialColumn( "$numfeatures", QVariant( (int)impl->nFeatures ) );
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}
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void QgsAtlasRendering::prepareForFeature( size_t featureI )
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@ -145,24 +140,24 @@ void QgsAtlasRendering::prepareForFeature( size_t featureI )
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return;
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QgsFeature* fit = &impl->features[featureI];
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if ( impl->filenamePattern.size() > 0 )
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{
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QgsExpression::setSpecialColumn( "$feature", QVariant(( int )featureI + 1 ) );
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QgsExpression::setSpecialColumn( "$feature", QVariant( (int)featureI + 1 ) );
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QVariant filenameRes = impl->filenameExpr->evaluate( &*fit );
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if ( impl->filenameExpr->hasEvalError() )
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{
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throw std::runtime_error( "Filename eval error: " + impl->filenameExpr->evalErrorString().toStdString() );
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}
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impl->currentFilename = filenameRes.toString();
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}
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//
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// compute the new extent
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// keep the original aspect ratio
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// and apply a margin
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// QgsGeometry::boundingBox is expressed in the geometry"s native CRS
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// We have to transform the grometry to the destination CRS and ask for the bounding box
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// Note: we cannot directly take the transformation of the bounding box, since transformations are not linear
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@ -176,63 +171,63 @@ void QgsAtlasRendering::prepareForFeature( size_t featureI )
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double ya1 = geom_rect.yMinimum();
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double ya2 = geom_rect.yMaximum();
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QgsRectangle new_extent = geom_rect;
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// restore the original extent
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// (successive calls to setNewExtent tend to deform the original rectangle)
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impl->composition->atlasMap()->setNewExtent( impl->origExtent );
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if ( impl->composition->atlasMap()->atlasFixedScale() )
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{
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// only translate, keep the original scale (i.e. width x height)
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double geom_center_x = ( xa1 + xa2 ) / 2.0;
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double geom_center_y = ( ya1 + ya2 ) / 2.0;
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double geom_center_x = (xa1 + xa2) / 2.0;
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double geom_center_y = (ya1 + ya2) / 2.0;
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double xx = geom_center_x - impl->origExtent.width() / 2.0;
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double yy = geom_center_y - impl->origExtent.height() / 2.0;
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new_extent = QgsRectangle( xx,
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yy,
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xx + impl->origExtent.width(),
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yy + impl->origExtent.height() );
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yy,
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xx + impl->origExtent.width(),
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yy + impl->origExtent.height() );
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}
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else
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{
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// auto scale
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double geom_ratio = geom_rect.width() / geom_rect.height();
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double map_ratio = impl->origExtent.width() / impl->origExtent.height();
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// geometry height is too big
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if ( geom_ratio < map_ratio )
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{
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new_extent = QgsRectangle(( xa1 + xa2 + map_ratio * ( ya1 - ya2 ) ) / 2.0,
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ya1,
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xa1 + map_ratio * ( ya2 - ya1 ),
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ya2 );
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new_extent = QgsRectangle( (xa1 + xa2 + map_ratio * (ya1 - ya2)) / 2.0,
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ya1,
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xa1 + map_ratio * (ya2 - ya1),
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ya2);
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}
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// geometry width is too big
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else if ( geom_ratio > map_ratio )
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{
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new_extent = QgsRectangle( xa1,
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( ya1 + ya2 + ( xa1 - xa2 ) / map_ratio ) / 2.0,
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xa2,
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ya1 + ( xa2 - xa1 ) / map_ratio );
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(ya1 + ya2 + (xa1 - xa2) / map_ratio) / 2.0,
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xa2,
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ya1 + (xa2 - xa1) / map_ratio);
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}
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if ( impl->composition->atlasMap()->atlasMargin() > 0.0 )
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{
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new_extent.scale( 1 + impl->composition->atlasMap()->atlasMargin() );
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}
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}
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// evaluate label expressions
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QList<QgsComposerLabel*> labels;
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impl->composition->composerItems( labels );
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QgsExpression::setSpecialColumn( "$feature", QVariant(( int )featureI + 1 ) );
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QgsExpression::setSpecialColumn( "$feature", QVariant( (int)featureI + 1 ) );
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for ( QList<QgsComposerLabel*>::iterator lit = labels.begin(); lit != labels.end(); ++lit )
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{
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( *lit )->setExpressionContext( fit, impl->composition->atlasMap()->atlasCoverageLayer() );
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(*lit)->setExpressionContext( fit, impl->composition->atlasMap()->atlasCoverageLayer() );
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}
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// set the new extent (and render)
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impl->composition->atlasMap()->setNewExtent( new_extent );
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}
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@ -257,7 +252,7 @@ void QgsAtlasRendering::end()
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impl->composition->composerItems( labels );
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for ( QList<QgsComposerLabel*>::iterator lit = labels.begin(); lit != labels.end(); ++lit )
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{
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( *lit )->setExpressionContext( 0, 0 );
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(*lit)->setExpressionContext( 0, 0 );
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}
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// restore the coverage visibility
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@ -274,9 +269,9 @@ void QgsAtlasRendering::end()
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}
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QgsComposition::QgsComposition( QgsMapRenderer* mapRenderer ) :
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QGraphicsScene( 0 ), mMapRenderer( mapRenderer ), mPlotStyle( QgsComposition::Preview ), mPageWidth( 297 ), mPageHeight( 210 ), mSpaceBetweenPages( 10 ), mPrintAsRaster( false ), mSelectionTolerance( 0.0 ),
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mSnapToGrid( false ), mSnapGridResolution( 0.0 ), mSnapGridOffsetX( 0.0 ), mSnapGridOffsetY( 0.0 ), mActiveItemCommand( 0 ), mActiveMultiFrameCommand( 0 ),
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mAtlasMap( 0 )
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QGraphicsScene( 0 ), mMapRenderer( mapRenderer ), mPlotStyle( QgsComposition::Preview ), mPageWidth( 297 ), mPageHeight( 210 ), mSpaceBetweenPages( 10 ), mPrintAsRaster( false ), mSelectionTolerance( 0.0 ),
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mSnapToGrid( false ), mSnapGridResolution( 0.0 ), mSnapGridOffsetX( 0.0 ), mSnapGridOffsetY( 0.0 ), mActiveItemCommand( 0 ), mActiveMultiFrameCommand( 0 ),
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mAtlasMap( 0 )
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{
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setBackgroundBrush( Qt::gray );
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addPaperItem();
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@ -285,23 +280,23 @@ QgsComposition::QgsComposition( QgsMapRenderer* mapRenderer ) :
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loadSettings();
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// declare special columns with a default value
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QgsExpression::setSpecialColumn( "$page", QVariant(( int )0 ) );
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QgsExpression::setSpecialColumn( "$feature", QVariant(( int )0 ) );
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QgsExpression::setSpecialColumn( "$numpages", QVariant(( int )0 ) );
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QgsExpression::setSpecialColumn( "$numfeatures", QVariant(( int )0 ) );
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QgsExpression::setSpecialColumn( "$page", QVariant((int)0) );
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QgsExpression::setSpecialColumn( "$feature", QVariant((int)0) );
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QgsExpression::setSpecialColumn( "$numpages", QVariant((int)0) );
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QgsExpression::setSpecialColumn( "$numfeatures", QVariant((int)0) );
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}
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QgsComposition::QgsComposition():
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QGraphicsScene( 0 ), mMapRenderer( 0 ), mPlotStyle( QgsComposition::Preview ), mPageWidth( 297 ), mPageHeight( 210 ), mSpaceBetweenPages( 10 ), mPrintAsRaster( false ),
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mSelectionTolerance( 0.0 ), mSnapToGrid( false ), mSnapGridResolution( 0.0 ), mSnapGridOffsetX( 0.0 ), mSnapGridOffsetY( 0.0 ), mActiveItemCommand( 0 ), mActiveMultiFrameCommand( 0 ),
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mAtlasMap( 0 )
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QGraphicsScene( 0 ), mMapRenderer( 0 ), mPlotStyle( QgsComposition::Preview ), mPageWidth( 297 ), mPageHeight( 210 ), mSpaceBetweenPages( 10 ), mPrintAsRaster( false ),
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mSelectionTolerance( 0.0 ), mSnapToGrid( false ), mSnapGridResolution( 0.0 ), mSnapGridOffsetX( 0.0 ), mSnapGridOffsetY( 0.0 ), mActiveItemCommand( 0 ), mActiveMultiFrameCommand( 0 ),
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mAtlasMap( 0 )
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{
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loadSettings();
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QgsExpression::setSpecialColumn( "$page", QVariant(( int )0 ) );
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QgsExpression::setSpecialColumn( "$feature", QVariant(( int )0 ) );
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QgsExpression::setSpecialColumn( "$numpages", QVariant(( int )0 ) );
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QgsExpression::setSpecialColumn( "$numfeatures", QVariant(( int )0 ) );
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QgsExpression::setSpecialColumn( "$page", QVariant((int)0) );
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QgsExpression::setSpecialColumn( "$feature", QVariant((int)0) );
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QgsExpression::setSpecialColumn( "$numpages", QVariant((int)0) );
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QgsExpression::setSpecialColumn( "$numfeatures", QVariant((int)0) );
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}
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QgsComposition::~QgsComposition()
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@ -361,7 +356,7 @@ void QgsComposition::setNumPages( int pages )
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}
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// update the corresponding variable
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QgsExpression::setSpecialColumn( "$numpages", QVariant(( int )numPages() ) );
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QgsExpression::setSpecialColumn( "$numpages", QVariant((int)numPages()) );
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emit nPagesChanged();
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}
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@ -399,12 +394,12 @@ QgsComposerItem* QgsComposition::composerItemAt( const QPointF & position )
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int QgsComposition::pageNumberAt( const QPointF& position ) const
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{
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return position.y() / ( paperHeight() + spaceBetweenPages() );
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return position.y() / (paperHeight() + spaceBetweenPages() );
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}
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int QgsComposition::itemPageNumber( const QgsComposerItem* item ) const
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{
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return pageNumberAt( QPointF( item->transform().dx(), item->transform().dy() ) );
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return pageNumberAt( QPointF( item->transform().dx(), item->transform().dy()) );
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}
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QList<QgsComposerItem*> QgsComposition::selectedComposerItems()
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@ -1720,7 +1715,7 @@ void QgsComposition::addPaperItem()
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paperItem->setZValue( 0 );
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mPages.push_back( paperItem );
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QgsExpression::setSpecialColumn( "$numpages", QVariant(( int )mPages.size() ) );
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QgsExpression::setSpecialColumn( "$numpages", QVariant((int)mPages.size()) );
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}
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void QgsComposition::removePaperItems()
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@ -1730,7 +1725,7 @@ void QgsComposition::removePaperItems()
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delete mPages.at( i );
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}
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mPages.clear();
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QgsExpression::setSpecialColumn( "$numpages", QVariant(( int )0 ) );
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QgsExpression::setSpecialColumn( "$numpages", QVariant((int)0) );
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}
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void QgsComposition::deleteAndRemoveMultiFrames()
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@ -1761,7 +1756,7 @@ void QgsComposition::exportAsPDF( const QString& file )
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void QgsComposition::doPrint( QPrinter& printer, QPainter& p )
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{
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//QgsComposition starts page numbering at 0
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//QgsComposition starts page numbering at 0
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int fromPage = ( printer.fromPage() < 1 ) ? 0 : printer.fromPage() - 1 ;
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int toPage = ( printer.toPage() < 1 ) ? numPages() - 1 : printer.toPage() - 1;
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@ -1864,11 +1859,11 @@ void QgsComposition::setAtlasMap( QgsComposerMap* map )
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mAtlasMap = map;
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if ( map != 0 )
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{
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QObject::connect( map, SIGNAL( atlasCoverageLayerChanged( QgsVectorLayer* ) ), this, SLOT( onAtlasCoverageChanged( QgsVectorLayer* ) ) );
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QObject::connect( map, SIGNAL( atlasCoverageLayerChanged( QgsVectorLayer* )), this, SLOT( onAtlasCoverageChanged( QgsVectorLayer* ) ) );
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}
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else
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{
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QObject::disconnect( map, SIGNAL( atlasCoverageLayerChanged( QgsVectorLayer* ) ), this, SLOT( onAtlasCoverageChanged( QgsVectorLayer* ) ) );
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QObject::disconnect( map, SIGNAL( atlasCoverageLayerChanged( QgsVectorLayer* )), this, SLOT( onAtlasCoverageChanged( QgsVectorLayer* ) ) );
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}
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}
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@ -1878,14 +1873,14 @@ void QgsComposition::onAtlasCoverageChanged( QgsVectorLayer* )
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if ( mAtlasMap != 0 && mAtlasMap->atlasCoverageLayer() != 0 )
|
||||
{
|
||||
QgsVectorDataProvider* provider = mAtlasMap->atlasCoverageLayer()->dataProvider();
|
||||
QgsExpression::setSpecialColumn( "$numfeatures", QVariant(( int )provider->featureCount() ) );
|
||||
QgsExpression::setSpecialColumn( "$numfeatures", QVariant( (int)provider->featureCount() ) );
|
||||
}
|
||||
else
|
||||
{
|
||||
QgsExpression::setSpecialColumn( "$numfeatures", QVariant(( int )0 ) );
|
||||
QgsExpression::setSpecialColumn( "$numfeatures", QVariant( (int)0 ) );
|
||||
}
|
||||
//
|
||||
QgsExpression::setSpecialColumn( "$numpages", QVariant(( int )numPages() ) );
|
||||
//
|
||||
QgsExpression::setSpecialColumn( "$numpages", QVariant( (int)numPages() ) );
|
||||
}
|
||||
|
||||
QString QgsComposition::encodeStringForXML( const QString& str )
|
||||
|
||||
@ -55,30 +55,29 @@ class QgsVectorLayer;
|
||||
* prepareForFeature() modifies the atlas map's extent to zoom on the given feature.
|
||||
* This class is used for printing, exporting to PDF and images.
|
||||
* */
|
||||
class CORE_EXPORT QgsAtlasRendering
|
||||
class QgsAtlasRendering
|
||||
{
|
||||
public:
|
||||
QgsAtlasRendering( QgsComposition* composition );
|
||||
~QgsAtlasRendering();
|
||||
public:
|
||||
QgsAtlasRendering( QgsComposition* composition );
|
||||
|
||||
/** Begins the rendering. Sets an optional output filename pattern */
|
||||
void begin( const QString& filenamePattern = "" );
|
||||
/** Ends the rendering. Restores original extent*/
|
||||
void end();
|
||||
/** Begins the rendering. Sets an optional output filename pattern */
|
||||
void begin( const QString& filenamePattern = "" );
|
||||
/** Ends the rendering. Restores original extent*/
|
||||
void end();
|
||||
|
||||
/** Returns the number of features in the coverage layer */
|
||||
size_t numFeatures() const;
|
||||
/** Returns the number of features in the coverage layer */
|
||||
size_t numFeatures() const;
|
||||
|
||||
/** Prepare the atlas map for the given feature. Sets the extent and context variables */
|
||||
void prepareForFeature( size_t i );
|
||||
/** Prepare the atlas map for the given feature. Sets the extent and context variables */
|
||||
void prepareForFeature( size_t i );
|
||||
|
||||
/** Returns the current filename. Must be called after prepareForFeature( i ) */
|
||||
const QString& currentFilename() const;
|
||||
/** Returns the current filename. Must be called after prepareForFeature( i ) */
|
||||
const QString& currentFilename() const;
|
||||
|
||||
private:
|
||||
struct QgsAtlasRenderingImpl;
|
||||
// Use the PImpl idiom for private members.
|
||||
QgsAtlasRenderingImpl *impl;
|
||||
private:
|
||||
// Use the PImpl idiom for private members.
|
||||
struct QgsAtlasRenderingImpl;
|
||||
std::auto_ptr<QgsAtlasRenderingImpl> impl;
|
||||
};
|
||||
|
||||
/** \ingroup MapComposer
|
||||
@ -160,8 +159,8 @@ class CORE_EXPORT QgsComposition: public QGraphicsScene
|
||||
QList<QgsComposerItem*> selectedComposerItems();
|
||||
|
||||
/**Returns pointers to all composer maps in the scene
|
||||
@note available in python bindings only with PyQt >= 4.8.4
|
||||
*/
|
||||
@note not available in python bindings
|
||||
*/
|
||||
QList<const QgsComposerMap*> composerMapItems() const;
|
||||
|
||||
/**Return composer items of a specific type
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user