# Package org.jfree.chart.block

Blocks and layout classes used extensively by the `LegendTitle` class.

See: Description

Interface Summary
Interface | Description
--- | ---
Arrangement | An object that is responsible for arranging a collection of `Block`s within a `BlockContainer`.
Block | A block is an arbitrary item that can be drawn (in Java2D space) within a rectangular area, has a preferred size, and can be arranged by an `Arrangement` manager.
BlockFrame | A block frame is a type of border that can be drawn around the outside of any `AbstractBlock`.
EntityBlockParams | An interface that is used by the draw() method of some `Block` implementations to determine whether or not to generate entities for the items within the block.
EntityBlockResult | Provides access to the `EntityCollection` generated when a block is drawn.

Class Summary
Class | Description
--- | ---
AbstractBlock | A convenience class for creating new classes that implement the `Block` interface.
BlockBorder | A border for a block.
BlockContainer | A container for a collection of `Block` objects.
BlockParams | A standard parameter object that can be passed to the draw() method defined by the `Block` class.
BlockResult | Used to return results from the draw() method in the `Block` class.
BorderArrangement | An arrangement manager that lays out blocks in a similar way to Swing's BorderLayout class.
CenterArrangement | Arranges a block in the center of its container.
ColorBlock | A block that is filled with a single color.
ColumnArrangement | Arranges blocks in a column layout.
EmptyBlock | An empty block with a fixed size.
FlowArrangement | Arranges blocks in a flow layout.
GridArrangement | Arranges blocks in a grid within their container.
LabelBlock | A block containing a label.
LengthConstraintType | Defines tokens used to indicate a length constraint type.
LineBorder | A line border for any `AbstractBlock`.
RectangleConstraint | A description of a constraint for resizing a rectangle.

## Package org.jfree.chart.block Description

Blocks and layout classes used extensively by the `LegendTitle` class.