<tr><td>QgsComposerLegendStyle<td>QgsLegendStyle

<tr><td>QgsComposerSymbolV2Item<td>QgsComposerSymbolItem

<tr><td>QgsComposerTableAvailableSortProxyModelV2<td>QgsComposerTableAvailableSortProxyModel

<tr><td>QgsComposerShape<td>setUseSymbolV2<td>setUseSymbol

<tr><td>QgsComposerSymbolItem<td>symbolV2<td>symbol

- QgsComposerAttributeTable and associated classes (eg QgsComposerAttributeTableCompare,

QgsComposerAttributeTableColumnModel, QgsComposerTableSortColumnsProxyModel) were removed.

Use QgsComposerAttributeTableV2 instead.

- QgsComposerLegendItem and subclasses were removed (QgsComposerSymbolItem, QgsComposerRasterSymbolItem, QgsComposerLayerItem, QgsComposerGroupItem, QgsComposerStyleItem).

- QgsComposerTable was removed. Use QgsComposerAttributeTableV2 instead.

- ComposerTextTable was removed. Use ComposerTextTableV2 instead.

- activeComposers(), createNewComposer(), duplicateComposer(), deleteComposer(), composerAdded(),

composerWillBeRemoved(), composerRemoved() were all removed. Composer windows are now only created

on demand, and destroyed when the window is closed. The new interface methods openComposers(),

openComposer(), closeComposer(), composerOpened(), composerWillBeClosed() and composerClosed()

are similar, but only apply to composer windows when they exist. To access all compositions

from a project, the new QgsProject.instance().layoutManager() class should be used instead.

Additionally, the new interface methods work with QgsComposerInterface objects instead

of QgsComposerView objects.

QgsAtlasComposition {#qgis_api_break_3_0_QgsAtlasComposition}

-------------------

- readXMLMapSettings() was removed. QGIS no longer supports upgrading pre 2.2 compositions and if this is a

requirement the projects should first be upgraded by opening and saving in 2.18.

- composerMap() and setComposerMap() were removed. Use QgsComposerMap::atlasDriven() and setAtlasDriven()

instead

- fixedScale() and setFixedScale() were removed. Use QgsComposerMap::atlasScalingMode() and setAtlasScalingMode()

instead

- margin() and setMargin() were removed. Use QgsComposerMap::atlasMargin() and setAtlasMargin()

instead

- setSortKeyAttributeIndex() and sortKeyAttributeIndex() were removed. Use sortKeyAttributeName()

and setSortKeyAttributeName() instead.

- currentFeature() was removed. Use feature() instead.

QgsComposerArrow {#qgis_api_break_3_0_QgsComposerArrow}

----------------

- setOutlineWidth(), outlineWidth(), arrowColor() and setArrowColor() were removed.

Use setArrowHeadOutlineWidth(), arrowHeadOutlineWidth(), arrowHeadOutlineColor(),

setArrowHeadOutlineColor(), arrowHeadFillColor(), setArrowHeadFillColor(),

setLineSymbol() or lineSymbol() instead.

QgsComposerAttributeTableV2 {#qgis_api_break_3_0_QgsComposerAttributeTableV2}

---------------------------

- setDisplayAttributes() was removed. Use setDisplayedFields() instead.

QgsComposerItem {#qgis_api_break_3_0_QgsComposerItem}

---------------

- zoomContent( int delta, double x, double y ) was removed. Use zoomContent( double, QPointF, ZoomMode )

instead.

- drawText(), textWidthMillimeters(), fontHeightCharacterMM(), fontAscentMillimeters(),

fontDescentMillimeters(), fontHeightMillimeters(), pixelFontSize(), scaledFontPixelSize(),

drawArrowHead(), angle(), largestRotatedRectWithinBounds(), and rotate() were removed.

Use the corresponding methods in QgsComposerUtils instead.

- rotation() and setRotation() were removed. Use itemRotation() and setItemRotation()

instead.

- lockSymbolSize(), imageSizeConsideringRotation(), cornerPointOnRotatedAndScaledRect(),

sizeChangedByRotation() were removed. No replacement is offered for these methods.

- transparency() and setTransparency() were removed. Use itemOpacity() and setItemOpacity() instead.

QgsComposerItemCommand {#qgis_api_break_3_0_QgsComposerItemCommand}

----------------------

- ItemTransparency was removed. Use ItemOpacity instead.

QgsComposerLabel {#qgis_api_break_3_0_QgsComposerLabel}

----------------

- setExpressionContext() has been removed. Setup the composition using an atlas and with

expression variables in the composer label item instead.

- setSubstitutions has been removed. Use expression context variables in the composer

label item instead.

- margin() was removed. Use marginX() and marginY() instead.

QgsComposerLegend {#qgis_api_break_3_0_QgsComposerLegend}

-----------------

- model() now returns the new QgsLegendModel (previously QgsLegendModelV2, see \ref qgis_api_break_3_0_renamed_classes).

- modelV2() has been renamed to model().

QgsComposerLegendItem {#qgis_api_break_3_0_QgsComposerLegendItem}

---------------------

- writeXMLChildren() has been renamed to writeXmlChildren()

QgsComposerMap {#qgis_api_break_3_0_QgsComposerMap}

--------------

- layerSet() and setLayerSet() have been replaced by layers() and setLayers() which work with list of layers instead of layer IDs

- containsWMSLayer() has been renamed to containsWmsLayer()

- mapRenderer() has been removed. Use mapSettings() instead.

- All grid style and format enums were moved to QgsComposerMapGrid.

- All grid property getters and setters were moved to QgsComposerMapGrid,

and should be accessed using QgsComposerMap::grid() or QgsComposerMap::grids().

- All overview property getters and setters were moved to QgsComposerMapOverview,

and should be accessed using QgsComposerMap::overview() or QgsComposerMap::overviews().

- overviewExtentChanged() was moved to QgsComposerMapOverview.

- toggleAtlasPreview(), connectMapOverviewSignals() were no longer required and are removed.

- setRotation() and rotation() were removed. Use setMapRotation() and mapRotation()

instead.

- atlasFixedScale() and setAtlasFixedScale() were removed. Use atlasScalingMode()

and setAtlasScalingMode() instead.

- storeCurrentLayerSet() was removed. Use setLayers() instead.

- The layersChanged() slot was removed.

- setMapCanvas() was removed. This is no longer required to draw map annotations, which are instead retrieved from the composition's

associated project's annotationManager()

- setDrawCanvasItems() and drawCanvasItems() were renamed to setDrawAnnotations() and drawAnnotations()

- setCacheUpdated(), updateCachedImage(), renderModeUpdateCachedImage() and cache() were removed. Use invalidateCache() instead.

- The PreviewMode mode enums were removed. These are no longer used.

- previewMode() and setPreviewMode() were removed. These are no longer required.

QgsComposerMapGrid {#qgis_api_break_3_0_QgsComposerMapGrid}

------------------

- The annotation position Disabled was removed. QgsComposerMapGrid::HideAll

should be used instead.

QgsComposerMultiFrame {#qgis_api_break_3_0_QgsComposerMultiFrame}

---------------------

- render( QPainter* p, const QRectF& renderExtent ) was removed. Use

render( QPainter* painter, const QRectF& renderExtent, const int frameIndex )

instead.

- render( QPainter* painter, const QRectF& renderExtent, const int frameIndex )

was made pure virtual.

QgsComposerNodesItem {#qgis_api_break_3_0_QgsComposerNodesItem}

--------------------

- _readXMLStyle() has been renamed to _readXmlStyle()

- _writeXMLStyle() has been renamed to _writeXMLStyle()

- unselectNode() has been renamed to deselectNode() <!--#spellok-->

QgsComposerObject {#qgis_api_break_3_0_QgsComposerObject}

-----------------

- dataDefinedProperty() and setDataDefinedProperty() no longer use QgsDataDefined objects.

Instead these methods have been ported to the QgsProperty framework.

- dataDefinedEvaluate() was removed. Use the QgsProperty evaluation methods instead.

QgsComposerPicture {#qgis_api_break_3_0_QgsComposerPicture}

------------------

- setPictureFile() and pictureFile() were removed. Use setPicturePath()

and picturePath() instead.

- rotation() and setRotation() were removed. Use pictureRotation()

and setPictureRotation() instead.

- usePictureExpression() and pictureExpression() were removed. Use

QgsComposerObject::dataDefinedProperty instead.

- setUsePictureExpression() was removed. Use

QgsComposerObject::setDataDefinedProperty() instead.

- updatePictureExpression() was removed.

QgsComposerScaleBar {#qgis_api_break_3_0_QgsComposerScaleBar}

-------------------

- The Alignment and SegmentSizeMode enums were moved to QgsScaleBarSettings

- The ScaleBarUnits enum was removed. Use QgsUnitTypes::DistanceUnit instead.

- setBrush() was removed. Use setFillColor() instead.

- setBrush2() was removed. Use setFillColor2() instead.

- setPen() was removed. Use setLineColor() and setLineWidth() instead.

- segmentMillimeters() and firstLabelString() were removed.

QgsComposerTable {#qgis_api_break_3_0_QgsComposerTable}

----------------

- tableWriteXML() has been renamed to tableWriteXml()

- tableReadXML() has been renamed to tableReadXml()

QgsComposerTableV2 {#qgis_api_break_3_0_QgsComposerTableV2}

------------------

- rowsVisible(), rowRange(), drawHorizontalGridLines() and

drawVerticalGridLines() were removed.

- WrapBehaviour enum and its setter and getter methods has been renamed to WrapBehavior <!--#spellok-->

- EmptyTableBehaviour enum and its setter and getter methods has been renamed to EmptyTableBehavior <!--#spellok-->

QgsComposerView {#qgis_api_break_3_0_QgsComposerView}

--------------------

- unselectNode() has been renamed to deselectNode() <!--#spellok-->

QgsComposerUtils {#qgis_api_break_3_0_QgsComposerUtils}

-----------------

- readDataDefinedPropertyMap() was renamed to readOldDataDefinedPropertyMap() and the signature has changed

to use a QgsPropertyCollection object.

- readDataDefinedProperty() was renamed to readOldDataDefinedProperty() and the signature has changed

to use the QgsProperty framework objects.

- writeDataDefinedPropertyMap() was removed. This is now handled by QgsPropertyCollection::writeXml()

QgsComposition {#qgis_api_break_3_0_QgsComposition}

--------------

- The constructor no longer takes a reference to a QgsMapSettings object. This is no longer

used by compositions. To set the layers to show in composer maps, the QgsComposerMap::setLayers()

method should be used instead.

- constructor requires QgsProject instance

- addItemsFromXML() has been renamed to addItemsFromXml()

- Constructor with QgsMapRenderer parameter has been removed. Use the variant with QgsMapSettings parameter.

- mapRenderer() has been removed. Use mapSettings() instead.

- setSnapGridTolerance(), setAlignmentSnapTolerance(), alignmentSnapTolerance() and snapGridTolerance()

were removed. Use setSnapTolerance() and snapTolerance() instead.

- getComposerHtmlByItem() was removed. Use QgsComposerFrame::multiFrame() instead.

- pixelFontSize(), pointFontSize(), relativeResizeRect(), relativePosition() were removed. Use the corresponding methods in QgsComposerUtils instead.

- sortZList() was removed. Use refreshZList() instead.

- addComposerTable(), composerTableAdded() were removed.

- setAllUnselected() has been renamed to setAllDeselected. <!--#spellok-->

- worldFileMap() and setWorldFileMap() have been renamed to referenceMap() and setReferenceMap()

- dataDefinedProperty() and setDataDefinedProperty() now use the QgsProperty framework instead

of QgsDataDefined objects.

- mapSettings() was removed. Use QgsComposerMap::mapSettings() instead.

- The composerArrowAdded, composerPolygonAdded, composerPolylineAdded, composerHtmlFrameAdded, composerItemGroupAdded,

composerLabelAdded, composerMapAdded, composerScaleBarAdded, composerLegendAdded, composerPictureAdded,

composerShapeAdded, and composerTableFrameAdded were removed. Use the general itemAdded signal instead to catch

all these item added events.

- addComposerMap no longer takes a setDefaultPreviewStyle argument.

- the mapsToRestore parameter has been removed from addItemsFromXml