fop 2.2

org.apache.fop.render.ps
Class PSGraphicsPainter

java.lang.Object
  extended by org.apache.fop.render.ps.PSGraphicsPainter
All Implemented Interfaces:
BezierCurvePainter, GraphicsPainter

public class PSGraphicsPainter
extends java.lang.Object
implements GraphicsPainter, BezierCurvePainter

PostScript-specific implementation of the BorderPainter.


Constructor Summary
PSGraphicsPainter(org.apache.xmlgraphics.ps.PSGenerator generator)
          Creates a new border painter for PostScript.
 
Method Summary
 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 cubicBezierTo(int p1x, int p1y, int p2x, int p2y, int p3x, int p3y)
          Draw a cubic bezier from current position to (p3x, p3y) using the control points (p1x, p1y) and (p2x, p2y)
 void drawBorderLine(int x1, int y1, int x2, int y2, boolean horz, boolean startOrBefore, int style, java.awt.Color col)
          Draws a border line.
static void drawBorderLine(org.apache.xmlgraphics.ps.PSGenerator gen, float x1, float y1, float x2, float y2, boolean horz, boolean startOrBefore, int style, java.awt.Color col)
          
 void drawLine(java.awt.Point start, java.awt.Point end, int width, java.awt.Color color, RuleStyle style)
          Draws a line/rule.
 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
 

Constructor Detail

PSGraphicsPainter

public PSGraphicsPainter(org.apache.xmlgraphics.ps.PSGenerator generator)
Creates a new border painter for PostScript.

Parameters:
generator - the PostScript generator
Method Detail

drawBorderLine

public void drawBorderLine(int x1,
                           int y1,
                           int x2,
                           int y2,
                           boolean horz,
                           boolean startOrBefore,
                           int style,
                           java.awt.Color col)
                    throws java.io.IOException
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
col - the border color
Throws:
java.io.IOException - if an I/O error occurs

drawBorderLine

public static void drawBorderLine(org.apache.xmlgraphics.ps.PSGenerator gen,
                                  float x1,
                                  float y1,
                                  float x2,
                                  float y2,
                                  boolean horz,
                                  boolean startOrBefore,
                                  int style,
                                  java.awt.Color col)
                           throws java.io.IOException

Throws:
java.io.IOException

drawLine

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

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

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

cubicBezierTo

public void cubicBezierTo(int p1x,
                          int p1y,
                          int p2x,
                          int p2y,
                          int p3x,
                          int p3y)
                   throws java.io.IOException
Draw a cubic bezier from current position to (p3x, p3y) using the control points (p1x, p1y) and (p2x, p2y)

Specified by:
cubicBezierTo in interface BezierCurvePainter
Parameters:
p1x - x coordinate of the first control point
p1y - y coordinate of the first control point
p2x - x coordinate of the second control point
p2y - y coordinate of the second control point
p3x - x coordinate of the end point
p3y - y coordinate of the end point
Throws:
java.io.IOException - if an I/O error occurs

fop 2.2

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