AbstractBlock (JFreeChart Class Library (version 1.0.14))

java.lang.Object
- org.jfree.chart.block.AbstractBlock

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

BlockContainer, ColorBlock, EmptyBlock, LabelBlock, LegendGraphic, Title
```
public class AbstractBlock
extends java.lang.Object
implements java.lang.Cloneable, java.io.Serializable
```
A convenience class for creating new classes that implement the Block interface.

See Also:

Serialized Form

Constructor Summary

Constructors
Modifier Constructor and Description

protected AbstractBlock()
Creates a new block.

Constructors
Modifier	Constructor and Description
`protected`	`AbstractBlock()` Creates a new block.

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`org.jfree.ui.Size2D`	`arrange(java.awt.Graphics2D g2)` Arranges the contents of the block, with no constraints, and returns the block size.
`org.jfree.ui.Size2D`	`arrange(java.awt.Graphics2D g2, RectangleConstraint constraint)` Arranges the contents of the block, within the given constraints, and returns the block size.
`protected double`	`calculateTotalHeight(double contentHeight)` Adds the margin, border and padding to the specified content height.
`protected double`	`calculateTotalWidth(double contentWidth)` Adds the margin, border and padding to the specified content width.
`java.lang.Object`	`clone()` Returns a clone of this block.
`protected void`	`drawBorder(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D area)` Draws the border around the perimeter of the specified area.
`boolean`	`equals(java.lang.Object obj)` Tests this block for equality with an arbitrary object.
`BlockBorder`	`getBorder()` Deprecated. Use `getFrame()` instead.
`java.awt.geom.Rectangle2D`	`getBounds()` Returns the current bounds of the block.
`double`	`getContentXOffset()` Returns the x-offset for the content within the block.
`double`	`getContentYOffset()` Returns the y-offset for the content within the block.
`BlockFrame`	`getFrame()` Returns the current frame (border).
`double`	`getHeight()` Returns the natural height of the block, if this is known in advance.
`java.lang.String`	`getID()` Returns the id.
`org.jfree.ui.RectangleInsets`	`getMargin()` Returns the margin.
`org.jfree.ui.RectangleInsets`	`getPadding()` Returns the padding.
`double`	`getWidth()` Returns the natural width of the block, if this is known in advance.
`void`	`setBorder(BlockBorder border)` Deprecated. Use `setFrame(BlockFrame)` instead.
`void`	`setBorder(double top, double left, double bottom, double right)` Sets a black border with the specified line widths.
`void`	`setBounds(java.awt.geom.Rectangle2D bounds)` Sets the bounds of the block.
`void`	`setFrame(BlockFrame frame)` Sets the frame (or border).
`void`	`setHeight(double height)` Sets the natural width of the block, if this is known in advance.
`void`	`setID(java.lang.String id)` Sets the id for the block.
`void`	`setMargin(double top, double left, double bottom, double right)` Sets the margin.
`void`	`setMargin(org.jfree.ui.RectangleInsets margin)` Sets the margin (use `RectangleInsets.ZERO_INSETS` for no padding).
`void`	`setPadding(double top, double left, double bottom, double right)` Sets the padding.
`void`	`setPadding(org.jfree.ui.RectangleInsets padding)` Sets the padding (use `RectangleInsets.ZERO_INSETS` for no padding).
`void`	`setWidth(double width)` Sets the natural width of the block, if this is known in advance.
`protected RectangleConstraint`	`toContentConstraint(RectangleConstraint c)` Returns a constraint for the content of this block that will result in the bounds of the block matching the specified constraint.
`protected java.awt.geom.Rectangle2D`	`trimBorder(java.awt.geom.Rectangle2D area)` Reduces the specified area by the amount of space consumed by the border.
`protected java.awt.geom.Rectangle2D`	`trimMargin(java.awt.geom.Rectangle2D area)` Reduces the specified area by the amount of space consumed by the margin.
`protected java.awt.geom.Rectangle2D`	`trimPadding(java.awt.geom.Rectangle2D area)` Reduces the specified area by the amount of space consumed by the padding.
`protected double`	`trimToContentHeight(double fixedHeight)` Calculate the height available for content after subtracting the margin, border and padding space from the specified fixed height.
`protected double`	`trimToContentWidth(double fixedWidth)` Calculate the width available for content after subtracting the margin, border and padding space from the specified fixed width.

Methods inherited from class java.lang.Object
finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - AbstractBlock
```
protected AbstractBlock()
```
    Creates a new block.
- Method Detail
  - getID
```
public java.lang.String getID()
```
    Returns the id.
    
    Returns:
    
    The id (possibly null).
    
    See Also:
    
    setID(String)
  - setID
```
public void setID(java.lang.String id)
```
    Sets the id for the block.
    
    Parameters:
    
    id - the id (null permitted).
    
    See Also:
    
    getID()
  - getWidth
```
public double getWidth()
```
    Returns the natural width of the block, if this is known in advance. The actual width of the block may be overridden if layout constraints make this necessary.
    
    Returns:
    
    The width.
    
    See Also:
    
    setWidth(double)
  - setWidth
```
public void setWidth(double width)
```
    Sets the natural width of the block, if this is known in advance.
    
    Parameters:
    
    width - the width (in Java2D units)
    
    See Also:
    
    getWidth()
  - getHeight
```
public double getHeight()
```
    Returns the natural height of the block, if this is known in advance. The actual height of the block may be overridden if layout constraints make this necessary.
    
    Returns:
    
    The height.
    
    See Also:
    
    setHeight(double)
  - setHeight
```
public void setHeight(double height)
```
    Sets the natural width of the block, if this is known in advance.
    
    Parameters:
    
    height - the width (in Java2D units)
    
    See Also:
    
    getHeight()
  - getMargin
```
public org.jfree.ui.RectangleInsets getMargin()
```
    Returns the margin.
    
    Returns:
    
    The margin (never null).
    
    See Also:
    
    getMargin()
  - setMargin
```
public void setMargin(org.jfree.ui.RectangleInsets margin)
```
    Sets the margin (use RectangleInsets.ZERO_INSETS for no padding).
    
    Parameters:
    
    margin - the margin (null not permitted).
    
    See Also:
    
    getMargin()
  - setMargin
```
public void setMargin(double top,
                      double left,
                      double bottom,
                      double right)
```
    Sets the margin.
    
    Parameters:
    
    top - the top margin.
    
    left - the left margin.
    
    bottom - the bottom margin.
    
    right - the right margin.
    
    See Also:
    
    getMargin()
  - getBorder
```
public BlockBorder getBorder()
```
    Deprecated. Use getFrame() instead.
    
    Returns the border.
    
    Returns:
    
    The border (never null).
  - setBorder
```
public void setBorder(BlockBorder border)
```
    Deprecated. Use setFrame(BlockFrame) instead.
    
    Sets the border for the block (use BlockBorder.NONE for no border).
    
    Parameters:
    
    border - the border (null not permitted).
    
    See Also:
    
    getBorder()
  - setBorder
```
public void setBorder(double top,
                      double left,
                      double bottom,
                      double right)
```
    Sets a black border with the specified line widths.
    
    Parameters:
    
    top - the top border line width.
    
    left - the left border line width.
    
    bottom - the bottom border line width.
    
    right - the right border line width.
  - getFrame
```
public BlockFrame getFrame()
```
    Returns the current frame (border).
    
    Returns:
    
    The frame.
    
    Since:
    
    1.0.5
    
    See Also:
    
    setFrame(BlockFrame)
  - setFrame
```
public void setFrame(BlockFrame frame)
```
    Sets the frame (or border).
    
    Parameters:
    
    frame - the frame (null not permitted).
    
    Since:
    
    1.0.5
    
    See Also:
    
    getFrame()
  - getPadding
```
public org.jfree.ui.RectangleInsets getPadding()
```
    Returns the padding.
    
    Returns:
    
    The padding (never null).
    
    See Also:
    
    setPadding(RectangleInsets)
  - setPadding
```
public void setPadding(org.jfree.ui.RectangleInsets padding)
```
    Sets the padding (use RectangleInsets.ZERO_INSETS for no padding).
    
    Parameters:
    
    padding - the padding (null not permitted).
    
    See Also:
    
    getPadding()
  - setPadding
```
public void setPadding(double top,
                       double left,
                       double bottom,
                       double right)
```
    Sets the padding.
    
    Parameters:
    
    top - the top padding.
    
    left - the left padding.
    
    bottom - the bottom padding.
    
    right - the right padding.
  - getContentXOffset
```
public double getContentXOffset()
```
    Returns the x-offset for the content within the block.
    
    Returns:
    
    The x-offset.
    
    See Also:
    
    getContentYOffset()
  - getContentYOffset
```
public double getContentYOffset()
```
    Returns the y-offset for the content within the block.
    
    Returns:
    
    The y-offset.
    
    See Also:
    
    getContentXOffset()
  - arrange
```
public org.jfree.ui.Size2D arrange(java.awt.Graphics2D g2)
```
    Arranges the contents of the block, with no constraints, and returns the block size.
    
    Parameters:
    
    g2 - the graphics device.
    
    Returns:
    
    The block size (in Java2D units, never null).
  - arrange
```
public org.jfree.ui.Size2D arrange(java.awt.Graphics2D g2,
                                   RectangleConstraint constraint)
```
    Arranges the contents of the block, within the given constraints, and returns the block size.
    
    Parameters:
    
    g2 - the graphics device.
    
    constraint - the constraint (null not permitted).
    
    Returns:
    
    The block size (in Java2D units, never null).
  - getBounds
```
public java.awt.geom.Rectangle2D getBounds()
```
    Returns the current bounds of the block.
    
    Returns:
    
    The bounds.
    
    See Also:
    
    setBounds(Rectangle2D)
  - setBounds
```
public void setBounds(java.awt.geom.Rectangle2D bounds)
```
    Sets the bounds of the block.
    
    Parameters:
    
    bounds - the bounds (null not permitted).
    
    See Also:
    
    getBounds()
  - trimToContentWidth
```
protected double trimToContentWidth(double fixedWidth)
```
    Calculate the width available for content after subtracting the margin, border and padding space from the specified fixed width.
    
    Parameters:
    
    fixedWidth - the fixed width.
    
    Returns:
    
    The available space.
    
    See Also:
    
    trimToContentHeight(double)
  - trimToContentHeight
```
protected double trimToContentHeight(double fixedHeight)
```
    Calculate the height available for content after subtracting the margin, border and padding space from the specified fixed height.
    
    Parameters:
    
    fixedHeight - the fixed height.
    
    Returns:
    
    The available space.
    
    See Also:
    
    trimToContentWidth(double)
  - toContentConstraint
```
protected RectangleConstraint toContentConstraint(RectangleConstraint c)
```
    Returns a constraint for the content of this block that will result in the bounds of the block matching the specified constraint.
    
    Parameters:
    
    c - the outer constraint (null not permitted).
    
    Returns:
    
    The content constraint.
  - calculateTotalWidth
```
protected double calculateTotalWidth(double contentWidth)
```
    Adds the margin, border and padding to the specified content width.
    
    Parameters:
    
    contentWidth - the content width.
    
    Returns:
    
    The adjusted width.
  - calculateTotalHeight
```
protected double calculateTotalHeight(double contentHeight)
```
    Adds the margin, border and padding to the specified content height.
    
    Parameters:
    
    contentHeight - the content height.
    
    Returns:
    
    The adjusted height.
  - trimMargin
```
protected java.awt.geom.Rectangle2D trimMargin(java.awt.geom.Rectangle2D area)
```
    Reduces the specified area by the amount of space consumed by the margin.
    
    Parameters:
    
    area - the area (null not permitted).
    
    Returns:
    
    The trimmed area.
  - trimBorder
```
protected java.awt.geom.Rectangle2D trimBorder(java.awt.geom.Rectangle2D area)
```
    Reduces the specified area by the amount of space consumed by the border.
    
    Parameters:
    
    area - the area (null not permitted).
    
    Returns:
    
    The trimmed area.
  - trimPadding
```
protected java.awt.geom.Rectangle2D trimPadding(java.awt.geom.Rectangle2D area)
```
    Reduces the specified area by the amount of space consumed by the padding.
    
    Parameters:
    
    area - the area (null not permitted).
    
    Returns:
    
    The trimmed area.
  - drawBorder
```
protected void drawBorder(java.awt.Graphics2D g2,
                          java.awt.geom.Rectangle2D area)
```
    Draws the border around the perimeter of the specified area.
    
    Parameters:
    
    g2 - the graphics device.
    
    area - the area.
  - equals
```
public boolean equals(java.lang.Object obj)
```
    Tests this block for equality with an arbitrary object.
    
    Overrides:
    
    equals in class java.lang.Object
    
    Parameters:
    
    obj - the object (null permitted).
    
    Returns:
    
    A boolean.
  - clone
```
public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException
```
    Returns a clone of this block.
    
    Overrides:
    
    clone in class java.lang.Object
    
    Returns:
    
    A clone.
    
    Throws:
    
    java.lang.CloneNotSupportedException - if there is a problem creating the clone.

Class AbstractBlock

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

AbstractBlock

Method Detail

getID

setID

getWidth

setWidth

getHeight

setHeight

getMargin

setMargin

setMargin

getBorder

setBorder

setBorder

getFrame

setFrame

getPadding

setPadding

setPadding

getContentXOffset

getContentYOffset

arrange

arrange

getBounds

setBounds

trimToContentWidth

trimToContentHeight

toContentConstraint

calculateTotalWidth

calculateTotalHeight

trimMargin

trimBorder

trimPadding

drawBorder

equals

clone