/************************************************************************ * This file has been generated automatically from * * * * src/core/qgsrendercontext.h * * * * Do not edit manually ! Edit header and run scripts/sipify.pl again * ************************************************************************/ class QgsRenderContext { %Docstring Contains information about the context of a rendering operation. The context of a rendering operation defines properties such as the conversion ratio between screen and map units, the extents to be rendered etc. %End %TypeHeaderCode #include "qgsrendercontext.h" %End public: QgsRenderContext(); QgsRenderContext( const QgsRenderContext &rh ); enum Flag { DrawEditingInfo, ForceVectorOutput, UseAdvancedEffects, UseRenderingOptimization, DrawSelection, DrawSymbolBounds, RenderMapTile, Antialiasing, RenderPartialOutput, RenderPreviewJob, }; typedef QFlags Flags; enum TextRenderFormat { // refs for below dox: https://github.com/qgis/QGIS/pull/1286#issuecomment-39806854 // https://github.com/qgis/QGIS/pull/8573#issuecomment-445585826 TextFormatAlwaysOutlines, TextFormatAlwaysText, }; void setFlags( QgsRenderContext::Flags flags ); %Docstring Set combination of flags that will be used for rendering. .. versionadded:: 2.14 %End void setFlag( Flag flag, bool on = true ); %Docstring Enable or disable a particular flag (other flags are not affected) .. versionadded:: 2.14 %End Flags flags() const; %Docstring Returns combination of flags used for rendering. .. versionadded:: 2.14 %End bool testFlag( Flag flag ) const; %Docstring Check whether a particular flag is enabled. .. versionadded:: 2.14 %End static QgsRenderContext fromMapSettings( const QgsMapSettings &mapSettings ); %Docstring create initialized QgsRenderContext instance from given :py:class:`QgsMapSettings` .. versionadded:: 2.4 %End static QgsRenderContext fromQPainter( QPainter *painter ); %Docstring Creates a default render context given a pixel based QPainter destination. If no painter is specified or the painter has no device, then a default DPI of 88 will be assumed. .. versionadded:: 3.0 %End QPainter *painter(); %Docstring Returns the destination QPainter for the render operation. .. seealso:: :py:func:`setPainter` %End QgsCoordinateTransform coordinateTransform() const; %Docstring Returns the current coordinate transform for the context. This represents the coordinate transform required to transform a layer which is being rendered back to the CRS of the rendered map. If no coordinate transformation is required, or the render context is not associated with a map layer render, then an invalid coordinate transformation is returned. .. seealso:: :py:func:`setCoordinateTransform` %End const QgsDistanceArea &distanceArea() const; %Docstring A general purpose distance and area calculator, capable of performing ellipsoid based calculations. .. versionadded:: 3.0 %End QgsCoordinateTransformContext transformContext() const; %Docstring Returns the context's coordinate transform context, which stores various information regarding which datum transforms should be used when transforming points from a source to destination coordinate reference system. .. seealso:: :py:func:`setTransformContext` .. versionadded:: 3.0 %End void setTransformContext( const QgsCoordinateTransformContext &context ); %Docstring Sets the context's coordinate transform ``context``, which stores various information regarding which datum transforms should be used when transforming points from a source to destination coordinate reference system. .. seealso:: :py:func:`transformContext` .. versionadded:: 3.0 %End const QgsPathResolver &pathResolver() const; %Docstring Returns the path resolver for conversion between relative and absolute paths during rendering operations, e.g. for resolving relative symbol paths. .. seealso:: :py:func:`setPathResolver` .. versionadded:: 3.0 %End void setPathResolver( const QgsPathResolver &resolver ); %Docstring Sets the path ``resolver`` for conversion between relative and absolute paths during rendering operations, e.g. for resolving relative symbol paths. .. seealso:: :py:func:`pathResolver` .. versionadded:: 3.0 %End const QgsRectangle &extent() const; %Docstring When rendering a map layer, calling this method returns the "clipping" extent for the layer (in the layer's CRS). This extent is a "worst-case" scenario, which is guaranteed to cover the complete visible portion of the layer when it is rendered to a map. It is often larger than the actual visible portion of that layer. .. warning:: For some layers, depending on the visible extent and the coordinate transforms involved, this extent will represent the entire globe. This method should never be used to determine the actual visible extent of a map render. .. seealso:: :py:func:`setExtent` .. seealso:: :py:func:`mapExtent` %End QgsRectangle mapExtent() const; %Docstring Returns the original extent of the map being rendered. Unlike extent(), this extent is always in the final destination CRS for the map render and represents the exact bounds of the map being rendered. .. seealso:: :py:func:`extent` .. seealso:: :py:func:`setMapExtent` .. versionadded:: 3.4.8 %End const QgsMapToPixel &mapToPixel() const; %Docstring Returns the context's map to pixel transform, which transforms between map coordinates and device coordinates. .. seealso:: :py:func:`setMapToPixel` %End double scaleFactor() const; %Docstring Returns the scaling factor for the render to convert painter units to physical sizes. This is usually equal to the number of pixels per millimeter. .. seealso:: :py:func:`setScaleFactor` %End bool renderingStopped() const; %Docstring Returns ``True`` if the rendering operation has been stopped and any ongoing rendering should be canceled immediately. .. seealso:: :py:func:`setRenderingStopped` %End bool forceVectorOutput() const; %Docstring Returns ``True`` if rendering operations should use vector operations instead of any faster raster shortcuts. .. seealso:: :py:func:`setForceVectorOutput` %End bool useAdvancedEffects() const; %Docstring Returns ``True`` if advanced effects such as blend modes such be used %End void setUseAdvancedEffects( bool enabled ); %Docstring Used to enable or disable advanced effects such as blend modes %End bool drawEditingInformation() const; %Docstring Returns ``True`` if edit markers should be drawn during the render operation. .. seealso:: :py:func:`setDrawEditingInformation` %End double rendererScale() const; %Docstring Returns the renderer map scale. This will match the desired scale denominator for the rendered map, eg 1000.0 for a 1:1000 map render. .. seealso:: :py:func:`setRendererScale` %End QColor selectionColor() const; %Docstring Returns the color to use when rendering selected features. .. seealso:: :py:func:`setSelectionColor` %End bool showSelection() const; %Docstring Returns ``True`` if vector selections should be shown in the rendered map :return: ``True`` if selections should be shown .. seealso:: :py:func:`setShowSelection` .. seealso:: :py:func:`selectionColor` .. versionadded:: 2.4 %End void setCoordinateTransform( const QgsCoordinateTransform &t ); %Docstring Sets the current coordinate transform for the context. This represents the coordinate transform required to transform the layer which is being rendered back to the CRS of the rendered map. Set to an invalid QgsCoordinateTransform to indicate that no transformation is required. .. seealso:: :py:func:`coordinateTransform` %End void setMapToPixel( const QgsMapToPixel &mtp ); %Docstring Sets the context's map to pixel transform, which transforms between map coordinates and device coordinates. .. seealso:: :py:func:`mapToPixel` %End void setExtent( const QgsRectangle &extent ); %Docstring When rendering a map layer, calling this method sets the "clipping" extent for the layer (in the layer's CRS). This extent should be a "worst-case" scenario, which is guaranteed to completely cover the entire visible portion of the layer when it is rendered to the map. It may be larger than the actual visible area, but MUST contain at least the entire visible area. .. seealso:: :py:func:`setExtent` .. seealso:: :py:func:`setMapExtent` %End void setMapExtent( const QgsRectangle &extent ); %Docstring Sets the original ``extent`` of the map being rendered. Unlike setExtent(), this extent is always in the final destination CRS for the map render and represents the exact bounds of the map being rendered. .. seealso:: :py:func:`mapExtent` .. seealso:: :py:func:`setExtent` .. versionadded:: 3.4.8 %End void setDrawEditingInformation( bool b ); %Docstring Sets whether edit markers should be drawn during the render operation. .. seealso:: :py:func:`drawEditingInformation` %End void setRenderingStopped( bool stopped ); %Docstring Sets whether the rendering operation has been ``stopped`` and any ongoing rendering should be canceled immediately. .. seealso:: :py:func:`renderingStopped` %End void setDistanceArea( const QgsDistanceArea &distanceArea ); %Docstring A general purpose distance and area calculator, capable of performing ellipsoid based calculations. Will be used to convert meter distances to active MapUnit values for QgsUnitTypes.RenderMetersInMapUnits .. versionadded:: 3.0 %End void setScaleFactor( double factor ); %Docstring Sets the scaling factor for the render to convert painter units to physical sizes. This should usually be equal to the number of pixels per millimeter. .. seealso:: :py:func:`scaleFactor` %End void setRendererScale( double scale ); %Docstring Sets the renderer map scale. This should match the desired scale denominator for the rendered map, eg 1000.0 for a 1:1000 map render. .. seealso:: :py:func:`rendererScale` %End void setPainter( QPainter *p ); %Docstring Sets the destination QPainter for the render operation. Ownership of the painter is not transferred and the QPainter destination must stay alive for the duration of any rendering operations. .. seealso:: :py:func:`painter` %End void setForceVectorOutput( bool force ); %Docstring Sets whether rendering operations should use vector operations instead of any faster raster shortcuts. .. seealso:: :py:func:`forceVectorOutput` %End void setSelectionColor( const QColor &color ); %Docstring Sets the ``color`` to use when rendering selected features. .. seealso:: :py:func:`selectionColor` %End void setShowSelection( bool showSelection ); %Docstring Sets whether vector selections should be shown in the rendered map :param showSelection: set to ``True`` if selections should be shown .. seealso:: :py:func:`showSelection` .. seealso:: :py:func:`setSelectionColor` .. versionadded:: 2.4 %End bool useRenderingOptimization() const; %Docstring Returns ``True`` if the rendering optimization (geometry simplification) can be executed %End void setUseRenderingOptimization( bool enabled ); const QgsVectorSimplifyMethod &vectorSimplifyMethod() const; %Docstring Returns the simplification settings to use when rendering vector layers. The default is to use no simplification. .. seealso:: :py:func:`setVectorSimplifyMethod` .. versionadded:: 2.4 %End void setVectorSimplifyMethod( const QgsVectorSimplifyMethod &simplifyMethod ); %Docstring Sets the simplification setting to use when rendering vector layers. This can be used to specify simplification methods to apply during map exports and renders, e.g. to allow vector layers to be simplified to an appropriate maximum level of detail during PDF exports or to speed up layer rendering The default is to use no simplification. .. seealso:: :py:func:`vectorSimplifyMethod` .. versionadded:: 2.4 %End void setExpressionContext( const QgsExpressionContext &context ); %Docstring Sets the expression context. This context is used for all expression evaluation associated with this render context. .. seealso:: :py:func:`expressionContext` .. versionadded:: 2.12 %End QgsExpressionContext &expressionContext(); %Docstring Gets the expression context. This context should be used for all expression evaluation associated with this render context. .. seealso:: :py:func:`setExpressionContext` .. versionadded:: 2.12 %End const QgsAbstractGeometry *geometry() const; %Docstring Returns pointer to the unsegmentized geometry %End void setGeometry( const QgsAbstractGeometry *geometry ); %Docstring Sets pointer to original (unsegmentized) geometry %End void setFeatureFilterProvider( const QgsFeatureFilterProvider *ffp ); %Docstring Set a filter feature provider used for additional filtering of rendered features. :param ffp: the filter feature provider .. seealso:: :py:func:`featureFilterProvider` .. versionadded:: 2.14 %End const QgsFeatureFilterProvider *featureFilterProvider() const; %Docstring Gets the filter feature provider used for additional filtering of rendered features. :return: the filter feature provider .. seealso:: :py:func:`setFeatureFilterProvider` .. versionadded:: 2.14 %End void setSegmentationTolerance( double tolerance ); %Docstring Sets the segmentation tolerance applied when rendering curved geometries :param tolerance: the segmentation tolerance* %End double segmentationTolerance() const; %Docstring Gets the segmentation tolerance applied when rendering curved geometries %End void setSegmentationToleranceType( QgsAbstractGeometry::SegmentationToleranceType type ); %Docstring Sets segmentation tolerance type (maximum angle or maximum difference between curve and approximation) :param type: the segmentation tolerance typename* %End QgsAbstractGeometry::SegmentationToleranceType segmentationToleranceType() const; %Docstring Gets segmentation tolerance type (maximum angle or maximum difference between curve and approximation) %End double convertToPainterUnits( double size, QgsUnitTypes::RenderUnit unit, const QgsMapUnitScale &scale = QgsMapUnitScale() ) const; %Docstring Converts a size from the specified units to painter units (pixels). The conversion respects the limits specified by the optional scale parameter. .. seealso:: :py:func:`convertToMapUnits` .. versionadded:: 3.0 %End double convertToMapUnits( double size, QgsUnitTypes::RenderUnit unit, const QgsMapUnitScale &scale = QgsMapUnitScale() ) const; %Docstring Converts a size from the specified units to map units. The conversion respects the limits specified by the optional scale parameter. .. seealso:: :py:func:`convertToPainterUnits` .. versionadded:: 3.0 %End double convertFromMapUnits( double sizeInMapUnits, QgsUnitTypes::RenderUnit outputUnit ) const; %Docstring Converts a size from map units to the specified units. .. seealso:: :py:func:`convertToMapUnits` .. versionadded:: 3.0 %End double convertMetersToMapUnits( double meters ) const; %Docstring Convert meter distances to active MapUnit values for QgsUnitTypes.RenderMetersInMapUnits \note When the sourceCrs() is geographic, the center of the Extent will be used .. versionadded:: 3.0 %End TextRenderFormat textRenderFormat() const; %Docstring Returns the text render format, which dictates how text is rendered (e.g. as paths or real text objects). .. seealso:: :py:func:`setTextRenderFormat` .. versionadded:: 3.4.3 %End void setTextRenderFormat( TextRenderFormat format ); %Docstring Sets the text render ``format``, which dictates how text is rendered (e.g. as paths or real text objects). .. seealso:: :py:func:`textRenderFormat` .. versionadded:: 3.4.3 %End QList renderedFeatureHandlers() const; %Docstring Returns the list of rendered feature handlers to use while rendering map layers. .. seealso:: :py:func:`hasRenderedFeatureHandlers` .. versionadded:: 3.10 %End bool hasRenderedFeatureHandlers() const; %Docstring Returns ``True`` if the context has any rendered feature handlers. .. seealso:: :py:func:`renderedFeatureHandlers` .. versionadded:: 3.10 %End }; QFlags operator|(QgsRenderContext::Flag f1, QFlags f2); /************************************************************************ * This file has been generated automatically from * * * * src/core/qgsrendercontext.h * * * * Do not edit manually ! Edit header and run scripts/sipify.pl again * ************************************************************************/