Class TextBlock

java.lang.Object
org.jfree.chart.text.TextBlock
All Implemented Interfaces:
Serializable

public class TextBlock extends Object implements Serializable
A list of TextLine objects that form a block of text.
See Also:
  • Constructor Details

    • TextBlock

      public TextBlock()
      Creates a new empty text block.
  • Method Details

    • getLineAlignment

      Returns the alignment of the lines of text within the block.
      Returns:
      The alignment (never null).
    • setLineAlignment

      public void setLineAlignment(HorizontalAlignment alignment)
      Sets the alignment of the lines of text within the block.
      Parameters:
      alignment - the alignment (null not permitted).
    • addLine

      public void addLine(String text, Font font, Paint paint)
      Adds a line of text that will be displayed using the specified font.
      Parameters:
      text - the text.
      font - the font.
      paint - the paint.
    • addLine

      public void addLine(TextLine line)
      Adds a TextLine to the block.
      Parameters:
      line - the line.
    • getLastLine

      Returns the last line in the block.
      Returns:
      The last line in the block.
    • getLines

      public List getLines()
      Returns an unmodifiable list containing the lines for the text block.
      Returns:
      A list of TextLine objects.
    • calculateDimensions

      Returns the width and height of the text block.
      Parameters:
      g2 - the graphics device.
      Returns:
      The width and height.
    • calculateBounds

      public Shape calculateBounds(Graphics2D g2, float anchorX, float anchorY, TextBlockAnchor anchor, float rotateX, float rotateY, double angle)
      Returns the bounds of the text block.
      Parameters:
      g2 - the graphics device (null not permitted).
      anchorX - the x-coordinate for the anchor point.
      anchorY - the y-coordinate for the anchor point.
      anchor - the text block anchor (null not permitted).
      rotateX - the x-coordinate for the rotation point.
      rotateY - the y-coordinate for the rotation point.
      angle - the rotation angle.
      Returns:
      The bounds.
    • draw

      public void draw(Graphics2D g2, float x, float y, TextBlockAnchor anchor)
      Draws the text block at a specific location.
      Parameters:
      g2 - the graphics device.
      x - the x-coordinate for the anchor point.
      y - the y-coordinate for the anchor point.
      anchor - the anchor point.
    • draw

      public void draw(Graphics2D g2, float anchorX, float anchorY, TextBlockAnchor anchor, float rotateX, float rotateY, double angle)
      Draws the text block, aligning it with the specified anchor point and rotating it about the specified rotation point.
      Parameters:
      g2 - the graphics device.
      anchorX - the x-coordinate for the anchor point.
      anchorY - the y-coordinate for the anchor point.
      anchor - the point on the text block that is aligned to the anchor point.
      rotateX - the x-coordinate for the rotation point.
      rotateY - the x-coordinate for the rotation point.
      angle - the rotation (in radians).
    • equals

      public boolean equals(Object obj)
      Tests this object for equality with an arbitrary object.
      Overrides:
      equals in class Object
      Parameters:
      obj - the object to test against (null permitted).
      Returns:
      A boolean.
    • hashCode

      public int hashCode()
      Returns a hash code for this object.
      Overrides:
      hashCode in class Object
      Returns:
      A hash code.