org.jhotdraw.draw

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Package org.jhotdraw.draw

Defines a framework for structured drawing editors and provides default implementations.

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Description

Interface Summary
CompositeFigure	A composite figure is composed of several child `Figure`s.
CompositeFigureListener	Interface implemented by observers of `CompositeFigure`.
ConnectionFigure	A connection figure connects two figures with a `BezierPath`.
Connector	A connector knows how to locate the start point or the end point of a `ConnectionFigure` on a connected figure.
Constrainer	A constrainer constrains editing operations performed by `Tool`s and `Handle`s on a `DrawingView`.
DecoratedFigure	A decorated figure can be decorated with another `Figure`, for example to draw a border around the decorated figure.
DragTracker	A drag tracker provides the behavior for dragging selected figures to the `SelectionTool`.
Drawing	A drawing is a container for `Figure`s.
DrawingEditor	A drawing editor coordinates drawing tools and drawing views.
DrawingView	A drawing view paints a `Drawing` on a JComponent.
Figure	A figure is a graphical element of a `Drawing`.
FigureListener	Interface implemented by observers of `Figure` objects.
FigureSelectionListener	Interface implemented by observers of selection changes in `DrawingView` objects.
Handle	A handle is used to change one aspect of a `Figure` by direct manipulation.
HandleListener	Interface implemented by observers of `Handle`s.
HandleTracker	A handle tracker provides the behavior for manipulating a `Handle` of a figure to the `SelectionTool`.
ImageHolderFigure	The interface of a `Figure` which has some editable image contents.
InputFormat	An input format implements a strategy for reading a `Drawing` which is encoded in an `InputStream`, a `File` or a `Transferable`.
Layouter	A Layouter encapsulates a algorithm to layout a CompositeFigure.
LineDecoration	A line decoration can be used to draw a decoration at the start or end of a line.
Liner	A liner encapsulates an algorithm to lay out the bezier path of a `ConnectionFigure`.
Locator	A locator encapsulates a strategy for locating a point on a `Figure`.
OutputFormat	An output format implements a strategy for writing a `Drawing` using a specific encoding into an `OutputStream`, a `File` or a `Transferable`.
SelectAreaTracker	A select area tracker provides the behavior for selecting figures in a drawing area to the `SelectionTool`.
TextHolderFigure	The interface of a `Figure` that has some editable text contents.
Tool	A tool defines a mode of a `DrawingEditor`.
ToolListener	Interface implemented by observers of `Tool`s.

Class Summary
AbstractAttributedCompositeFigure	This abstract class can be extended to implement a `CompositeFigure` which has its own attribute put.
AbstractAttributedDecoratedFigure	This abstract class can be extended to implement a `DecoratedFigure` which has an attribute set.
AbstractAttributedFigure	This abstract class can be extended to implement a `Figure` which has its own attribute put.
AbstractCompositeFigure	This abstract class can be extended to implement a `CompositeFigure`.
AbstractConnectionHandle	This abstract class can be extended to implement a `Handle` the start or end point of a `ConnectionFigure`.
AbstractConnector	This abstract class can be extended to implement a `Connector`.
AbstractConstrainer	This abstract class can be extended to implement a `Constrainer`.
AbstractDrawing	This abstract class can be extended to implement a `Drawing`.
AbstractFigure	This abstract class can be extended to implement a `Figure`.
AbstractHandle	This abstract class can be extended to implement a `Handle`.
AbstractLayouter	This abstract class can be extended to implement a `Layouter` which has its own attribute set.
AbstractLineDecoration	This abstract class can be extended to implement a `LineDecoration`.
AbstractLocator	This abstract class can be extended to implement a `Locator`.
AbstractRotateHandle	This abstract class can be extended to implement a `Handle` which can rotate a `Figure`.
AbstractTool	This abstract class can be extended to implement a `Tool`.
ArrowTip	A `LineDecoration` which draws an arrow tip.
AttributeChangeEdit<T>	An `UndoableEdit` event which can undo a change of a `Figure` attribute.
AttributeKey<T>	An attribute key provides typesafe access to an attribute of a `Figure`.
AttributeKeys	Defines a put of well known `Figure` attributes.
BezierControlPointHandle	A `Handle` which allows to interactively change a control point of a bezier path.
BezierFigure	A `Figure` which draws an opened or a closed bezier path.
BezierLabelLocator	A `Locator` which can be used to place a label on the path of a `BezierFigure`.
BezierNodeEdit	An `UndoableEdit` event which can undo a change of a node in a `BezierFigure`.
BezierNodeHandle	A `Handle` which allows to interactively change a node of a bezier path.
BezierOutlineHandle	A non-interactive `Handle` which draws the outline of a `BezierFigure` to make adjustments easier.
BezierPointLocator	A `Locator` which locates a node on the bezier path of a BezierFigure.
BezierScaleHandle	A `Handle` which allows to interactively scale and rotate a BezierFigure.
BezierTool	A `Tool` which allows to create a new `BezierFigure` by drawing its path.
BidirectionalConnectionTool	A tool that can be used to connect figures, to split connections, and to join two segments of a connection.
BorderRectangleFigure	Deprecated. This class should be in one of the samples package
BoundsOutlineHandle	A non-interactive `Handle` which draws the bounds of a `Figure` to make adjustments easier.
ChopBezierConnector	A `Connector` which locates a connection point at the bounds of a `BezierFigure`.
ChopDiamondConnector	A `Connector` which locates a connection point at the bounds of any figure which has a diamond shape, such as `DiamondFigure`.
ChopEllipseConnector	A `Connector` which locates a connection point at the bounds of any figure which has an elliptic shape, such as `EllipseFigure`.
ChopRectangleConnector	A `Connector` which locates a connection point at the bounds of any figure which has a rectangular shape, such as `RectangleFigure`.
ChopRoundRectangleConnector	A `Connector` which locates a connection point at the bounds of a `RoundRectangleFigure`.
ChopTriangleConnector	A `Connector` which locates a connection point at the bounds of a `TriangleFigure`.
CloseHandle	A `Handle` which requests to remove its owning figure when clicked.
CompositeFigureEdit	A `CompositeEdit` which invokes `figure.willChange` and `figure.changed` when undoing or redoing a change.
CompositeFigureEvent	An `EventObject` sent to `CompositeFigureListener`s.
CompositeLineDecoration	A `LineDecoration` which can compose multiple individual line decorations.
ConnectionEndHandle	A `Handle` which allows to connect the end of a `ConnectionFigure` to another figure.
ConnectionStartHandle	A `Handle` which allows to connect the start of a `ConnectionFigure` to another figure.
ConnectionTool	A tool to create a connection between two figures.
ConnectorHandle	A `Handle` associated to a `Connector` which allows to create a new `ConnectionFigure` by dragging the handle to another connector.
CreationTool	A `Tool` to create a new figure by drawing its bounds.
CurvedLiner	A `Liner` that constrains a connection to a curved line.
DefaultDragTracker	`DefaultDragTracker` implements interactions with the content area of a `Figure`.
DefaultDrawing	A default implementation of `Drawing` useful for drawings which contain only a few figures.
DefaultDrawingEditor	A default implementation of `DrawingEditor`.
DefaultDrawingView	A default implementation of `DrawingView` suited for viewing drawings with a small number of figures.
DefaultDrawingViewBeanInfo
DefaultDrawingViewTransferHandler	Default TransferHandler for DrawingView objects.
DefaultDrawingViewTransferHandler.DragHandler	This is the default drag handler for drag and drop operations that use the `TransferHandler`.
DefaultDrawingViewTransferHandler.SwingDragGestureRecognizer
DefaultHandleTracker	DefaultHandleTracker implements interactions with the handles of a Figure.
DefaultSelectAreaTracker	`DefaultSelectAreaTracker` implements interactions with the background area of a `Drawing`.
DelegationSelectionTool	A SelectionTool, which recognizes double clicks and popup menu triggers.
DiamondFigure	A `Figure` with a diamond shape.
DnDDrawingViewTransferHandler	A `TransferHandler` for `DrawingView` objects which takes advantage of drag and drop features that were introduced with J2SE 6.
DnDTracker	This is a tracker which supports drag and drop of figures between drawing views and any other component or application which support drag and drop.
DOMStorableInputOutputFormat	An OutputFormat that can write Drawings with DOMStorable Figure's.
DragHandle	A handle that changes the location of the owning figure, the handle covers all visible points of the figure.
DrawingEditorProxy	DrawingEditorProxy.
DrawingPageable	`DrawingPageable` can be used to print a `Drawing` using the java.awt.print API.
ElbowLiner	A `Liner` that constrains a connection to orthogonal lines.
EllipseFigure	A `Figure` with an elliptic shape.
FigureAdapter	An abstract adapter class for receiving `FigureEvent`s.
FigureEvent	An `EventObject` sent to `FigureListener`s.
FigureLayerComparator	A `Comparator` used to sort figures by their layer property.
FigureSelectionEvent	An `EventObject` sent to `FigureSelectionListener`s.
FloatingTextArea	A floating text area that is used to edit a `TextHolderFigure`.
FloatingTextField	A floating text field that is used to edit a `TextHolderFigure`.
FontSizeHandle	A `Handle` which can be used to change the font size of a `TextHolderFigure`.
FontSizeLocator	`FontSizeLocator` is used by `FontSizeHandle` to locate its position on the drawing.
GeneralPathTip	A `LineDecoration` which draws a general path.
GraphicalCompositeFigure	The GraphicalCompositeFigure fills in the gap between a CompositeFigure and other figures which mainly have a presentation purpose.
GraphicalCompositeFigure.PresentationFigureHandler
GridConstrainer	Constrains a point such that it falls on a grid.
GroupFigure	A `Figure` which groups a collection of figures.
HandleAttributeKeys	Defines a put of well known `Handle` attributes.
HandleEvent	An `EventObject` sent to `HandleListener`s.
HandleMulticaster	Forwards events to one or many handles.
HorizontalLayouter	A `Layouter` which lays out all children of a `CompositeFigure` in horizontal direction.
ImageFigure	An `ImageHolderFigure` which holds a buffered image.
ImageInputFormat	An input format for importing drawings using one of the image formats supported by javax.imageio.
ImageOutputFormat	An output format for exporting drawings using one of the image formats supported by javax.imageio.
ImageTool	A tool to create new figures that implement the ImageHolderFigure interface, such as ImageFigure.
LabeledLineConnectionFigure	A LineConnection with labels.
LabeledLineConnectionFigure.ChildHandler
LabelFigure	A LabelFigure can be used to provide more double clickable area for a TextHolderFigure.
LineConnectionFigure	A `ConnectionFigure` which connects two figures using a bezier path.
LineConnectionFigure.ConnectionHandler
LineFigure	A `Figure` which draws a continuous bezier path between two points.
ListFigure	A ListFigure consists of a list of Figures and a RectangleFigure.
LocatorConnector	A LocatorConnector locates connection points with the help of a Locator.
LocatorHandle	A LocatorHandle implements a Handle by delegating the location requests to a Locator object.
LocatorLayouter	A layouter which lays out all children of a CompositeFigure according to their LayoutLocator property..
MoveHandle	A handle that changes the location of the owning figure, if the figure is transformable.
NullHandle	A handle that doesn't change the owned figure.
OrientationHandle	A `Handle` to change the value of the figure attribute `AttributeKeys.ORIENTATION`.
PerpendicularBar	A `LineDecoration` which draws a perpendicular bar.
PictImageInputFormat	An input format for importing drawings using the image/x-pict format from the Mac OS X clipboard.
QuadTreeCompositeFigure	QuadTreeCompositeFigure.
QuadTreeDrawing	An implementation of `Drawing` which uses a `QuadTree` to provide a good responsiveness for drawings which contain many figures.
RectangleFigure	A `Figure` with a rectangular shape.
RelativeDecoratorLocator	A locator that specfies a point that is relative to the bounds of a figures decorator.
RelativeLocator	A locator that specfies a point that is relative to the bounds of a figure.
ResizeHandleKit	A set of utility methods to create handles which resize a Figure by using its `setBounds` method, if the Figure is transformable.
ResizeHandleKit.EastHandle
ResizeHandleKit.NorthEastHandle
ResizeHandleKit.NorthHandle
ResizeHandleKit.NorthWestHandle
ResizeHandleKit.ResizeHandle
ResizeHandleKit.SouthEastHandle
ResizeHandleKit.SouthHandle
ResizeHandleKit.SouthWestHandle
ResizeHandleKit.WestHandle
RotateHandle	A Handle to rotate a Figure.
RoundRectangleFigure	A `Figure` with a rounded rectangular shape.
RoundRectangleRadiusHandle	A `Handle` to manipulate the corner radius of a `RoundRectangleFigure`.
SelectionTool	Tool to select and manipulate figures.
SerializationInputOutputFormat	`SerializationInputOutputFormat` uses Java Serialization for reading and and writing `Drawing` objects.
SetBoundsEdit	SetBoundsEdit.
SlantedLiner	SlantedLiner.
StickyRectangleConnector	A StickyRectangleConnector locates connection Points by choping the connection between the centers of the two figures at the display box.
TextAreaCreationTool	A tool to create new or edit existing figures that implement the TextHolderFigure interface, such as TextAreaFigure.
TextAreaEditingTool	A tool to edit existing figures that implement the TextHolderFigure interface, such as TextAreaFigure.
TextAreaFigure	A `TextHolderFigure` which holds multiple lines of text in a rectangular area.
TextCreationTool	A tool to create figures which implement the `TextHolderFigure` interface, such as `TextFigure`.
TextEditingTool	A tool to edit figures which implement the `TextHolderFigure` interface, such as `TextFigure`.
TextFigure	A `TextHolderFigure` which holds a single line of text.
TextInputFormat	An input format for importing text into a drawing.
TextOverflowHandle	The TextOverflowHandle indicates when the text does not fit into the bounds of a TextAreaFigure.
ToolEvent	An event sent to ToolListener's.
TransformEdit	An `UndoableEdit` event which can undo a lossless transform of `Figure`s by applying the inverse of the transform to the figures.
TransformHandleKit	A set of utility methods to create Handles which transform a Figure by using its `transform` method.
TransformHandleKit.EastHandle
TransformHandleKit.NorthEastHandle
TransformHandleKit.NorthHandle
TransformHandleKit.NorthWestHandle
TransformHandleKit.SouthEastHandle
TransformHandleKit.SouthHandle
TransformHandleKit.SouthWestHandle
TransformHandleKit.TransformHandle
TransformHandleKit.WestHandle
TransformRestoreEdit	An `UndoableEdit` event which can undo a lossy transform of a single `Figure` by restoring the figure using its transform restore data.
TriangleFigure	Implements a `Figure` with a triangular shape.
VerticalLayouter	A `Layouter` which lays out all children of a `CompositeFigure` in vertical direction.

Enum Summary
AttributeKeys.Alignment
AttributeKeys.Orientation
AttributeKeys.StrokePlacement
AttributeKeys.StrokeType
AttributeKeys.Underfill
AttributeKeys.WindingRule
RotationDirection	Specifies the possible directions for rotations on a two-dimensional plane.
TranslationDirection	Specifies the possible directions for translations on a two-dimensional plane.

Package org.jhotdraw.draw Description

Defines a framework for structured drawing editors and provides default implementations.

Package Contents

All key contracts of the framework are defined by Java interfaces. For each interface exists an abstract class, which implements the event handling contract of the interface. And finally, there is at least one default implementation of each interface.

The key interfaces for the representation of a drawing are:

The key interface for displaying a drawing on screen is:

DrawingView

The key interfaces for editing a drawing are:

The key interfaces for loading and saving a drawing, and for providing copy and paste functionality are: