Package org.apache.fop.render.java2d

Class Java2DGraphicsPainter

java.lang.Object

org.apache.fop.render.java2d.Java2DGraphicsPainter

All Implemented Interfaces:

GraphicsPainter

class Java2DGraphicsPainter
extends java.lang.Object
implements GraphicsPainter

Field Summary

Fields

Modifier and Type	Field	Description
private java.awt.geom.GeneralPath	currentPath
(package private) static org.apache.commons.logging.Log	log	logging instance
private Java2DPainter	painter

Constructor Summary

Constructors

Constructor	Description
Java2DGraphicsPainter(Java2DPainter painter)

Method Summary

Modifier and Type	Method	Description
void	arcTo(double startAngle, double endAngle, int cx, int cy, int width, int height)	Draws an arc on the ellipse centered at (cx, cy) with width width and height height from start angle startAngle (with respect to the x-axis counter-clockwise) to the end angle endAngle.
void	clip()	Reduces the current clipping region to the current path.
void	closePath()	Closes the current path.
void	drawBorderLine(int x1, int y1, int x2, int y2, boolean horz, boolean startOrBefore, int style, java.awt.Color color)	Draws a border line.
void	drawLine(java.awt.Point start, java.awt.Point end, int width, java.awt.Color color, RuleStyle style)	Draws a line/rule.
private java.awt.Graphics2D	getG2D()
private Java2DGraphicsState	getG2DState()
void	lineTo(int x, int y)	Draws a line from the current cursor position to the given coordinates.
void	moveTo(int x, int y)	Moves the cursor to the given coordinate.
void	restoreGraphicsState()	Restore the last graphics state from the stack.
void	rotateCoordinates(double angle)	Rotate the coordinate frame
void	saveGraphicsState()	Save the graphics state on the stack.
void	scaleCoordinates(float xScale, float yScale)	Scale the coordinate frame
void	translateCoordinates(int xTranslate, int yTranslate)	Translate the coordinate frame

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

log

static final org.apache.commons.logging.Log log

logging instance

currentPath

private java.awt.geom.GeneralPath currentPath

painter

private final Java2DPainter painter

Constructor Detail

Java2DGraphicsPainter

Java2DGraphicsPainter(Java2DPainter painter)

Method Detail

getG2DState

private Java2DGraphicsState getG2DState()

getG2D

private java.awt.Graphics2D getG2D()

drawBorderLine

public void drawBorderLine(int x1,
                           int y1,
                           int x2,
                           int y2,
                           boolean horz,
                           boolean startOrBefore,
                           int style,
                           java.awt.Color color)
                    throws java.io.IOException

Description copied from interface: GraphicsPainter

Draws a border line.

Specified by:

drawBorderLine in interface GraphicsPainter

Parameters:

x1 - X coordinate of the upper left corner of the line's bounding rectangle (in millipoints)

y1 - start Y coordinate of the upper left corner of the line's bounding rectangle (in millipoints)

x2 - end X coordinate of the lower right corner of the line's bounding rectangle (in millipoints)

y2 - end y coordinate of the lower right corner of the line's bounding rectangle (in millipoints)

horz - true if it is a horizontal line

startOrBefore - true if the line is the start or end edge of a border box

style - the border style

color - the border color

Throws:

java.io.IOException - if an I/O error occurs

drawLine

public void drawLine(java.awt.Point start,
                     java.awt.Point end,
                     int width,
                     java.awt.Color color,
                     RuleStyle style)
              throws java.io.IOException

Description copied from interface: GraphicsPainter

Draws a line/rule.

Specified by:

drawLine in interface GraphicsPainter

Parameters:

start - start point (coordinates in millipoints)

end - end point (coordinates in millipoints)

width - width of the line

color - the line color

style - the rule style

Throws:

java.io.IOException - if an I/O error occurs

moveTo

public void moveTo(int x,
                   int y)
            throws java.io.IOException

Moves the cursor to the given coordinate.

Specified by:

moveTo in interface GraphicsPainter

Parameters:

x - the X coordinate (in millipoints)

y - the Y coordinate (in millipoints)

Throws:

java.io.IOException - if an I/O error occurs

lineTo

public void lineTo(int x,
                   int y)
            throws java.io.IOException

Draws a line from the current cursor position to the given coordinates.

Specified by:

lineTo in interface GraphicsPainter

Parameters:

x - the X coordinate (in millipoints)

y - the Y coordinate (in millipoints)

Throws:

java.io.IOException - if an I/O error occurs

arcTo

public void arcTo(double startAngle,
                  double endAngle,
                  int cx,
                  int cy,
                  int width,
                  int height)
           throws java.io.IOException

Draws an arc on the ellipse centered at (cx, cy) with width width and height height from start angle startAngle (with respect to the x-axis counter-clockwise) to the end angle endAngle. The ellipses major axis are assumed to coincide with the coordinate axis. The current position MUST coincide with the starting position on the ellipse.

Specified by:

arcTo in interface GraphicsPainter

Parameters:

startAngle - the start angle

endAngle - the end angle

cx - the x coordinate of the ellipse center

cy - the y coordinate of the ellipse center

width - the extent of the ellipse in the x direction

height - the extent of the ellipse in the y direction

Throws:

java.io.IOException - if an I/O error occurs

rotateCoordinates

public void rotateCoordinates(double angle)
                       throws java.io.IOException

Rotate the coordinate frame

Specified by:

rotateCoordinates in interface GraphicsPainter

Parameters:

angle - angle in radians to rotate the coordinate frame

Throws:

java.io.IOException - if an I/O error occurs

translateCoordinates

public void translateCoordinates(int xTranslate,
                                 int yTranslate)
                          throws java.io.IOException

Translate the coordinate frame

Specified by:

translateCoordinates in interface GraphicsPainter

Parameters:

xTranslate - translation in the x direction

yTranslate - translation in the y direction

Throws:

java.io.IOException - if an I/O error occurs

scaleCoordinates

public void scaleCoordinates(float xScale,
                             float yScale)
                      throws java.io.IOException

Scale the coordinate frame

Specified by:

scaleCoordinates in interface GraphicsPainter

Parameters:

xScale - scale factor in the x direction

yScale - scale factor in the y direction

Throws:

java.io.IOException - if an I/O error occurs

closePath

public void closePath()
               throws java.io.IOException

Closes the current path.

Specified by:

closePath in interface GraphicsPainter

Throws:

java.io.IOException - if an I/O error occurs

clip

public void clip()
          throws java.io.IOException

Reduces the current clipping region to the current path.

Specified by:

clip in interface GraphicsPainter

Throws:

java.io.IOException - if an I/O error occurs

saveGraphicsState

public void saveGraphicsState()
                       throws java.io.IOException

Save the graphics state on the stack.

Specified by:

saveGraphicsState in interface GraphicsPainter

Throws:

java.io.IOException - if an I/O error occurs

restoreGraphicsState

public void restoreGraphicsState()
                          throws java.io.IOException

Restore the last graphics state from the stack.

Specified by:

restoreGraphicsState in interface GraphicsPainter

Throws:

java.io.IOException - if an I/O error occurs