Package org.apache.fop.render.java2d

Class Java2DGraphicsState

java.lang.Object
org.apache.fop.render.java2d.Java2DGraphicsState
public class Java2DGraphicsState extends Object
Keeps information about the current state of the Graphics2D currentGraphics. It is also used as a stack to hold a graphics context.

The graphics context is updated with the updateXXX() methods.

  • Constructor Details

    • Java2DGraphicsState

      public Java2DGraphicsState(Graphics2D graphics, FontInfo fontInfo, AffineTransform at)
      State for storing graphics state.
      Parameters:
      graphics - the graphics associated with the BufferedImage
      fontInfo - the FontInfo from the renderer
      at - the initial AffineTransform containing the scale transformation

    • Java2DGraphicsState

      public Java2DGraphicsState(Java2DGraphicsState org)
      Copy constructor.
      Parameters:
      org - the instance to copy

  • Method Details

    • getGraph

      public Graphics2D getGraph()
      Returns:
      the currently valid state

    • dispose

      public void dispose()
      Frees resources allocated by the current Graphics2D instance.

    • updateColor

      public boolean updateColor(Color col)
      Set the current background color. Check if the background color will change and then set the new color.
      Parameters:
      col - the new color as a java.awt.Color
      Returns:
      true if the background color has changed

    • getColor

      public Color getColor()
      Returns:
      the current java.awt.Color

    • updateFont

      public boolean updateFont(String name, int size)
      Set the current font name. Check if the font name will change and then set the new name.
      Parameters:
      name - the new font name
      size - the font size
      Returns:
      true if the new Font changes the current Font

    • getFont

      public Font getFont()
      Returns:
      the current java.awt.Font

    • updateStroke

      public boolean updateStroke(float width, int style)
      Sets the current Stroke. The line width should be set with updateLineWidth() before calling this method
      Parameters:
      width - the line width
      style - the constant for the style of the line as an int
      Returns:
      true if the new Stroke changes the current Stroke

    • getStroke

      public BasicStroke getStroke()
      Returns:
      the currently active Stroke

    • updatePaint

      public boolean updatePaint(Paint p)
      Set the current paint. This checks if the paint will change and then sets the current paint.
      Parameters:
      p - the new paint
      Returns:
      true if the new paint changes the current paint

    • updateClip

      public boolean updateClip(Shape cl)
      Set the current clip. This either sets a new clip or sets the clip to the intersect of the old clip and the new clip.
      Parameters:
      cl - the new clip in the current state
      Returns:
      true if the clip shape needed to be updated

    • transform

      public void transform(AffineTransform tf)
      Composes an AffineTransform object with the Transform in this Graphics2D according to the rule last-specified-first-applied.
      Parameters:
      tf - the transform to concatenate to the current level transform
      See Also:

    • getTransform

      public AffineTransform getTransform()
      Get the current transform. This gets the combination of all transforms in the current state.
      Returns:
      the calculate combined transform for the current state

    • toString

      public String toString()
      Overrides:
      toString in class Object