org.apache.fop.render.ps

## Class PSGraphicsPainter

- java.lang.Object
- - 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

    Constructors
    Constructor and Description
    `PSGraphicsPainter(org.apache.xmlgraphics.ps.PSGenerator generator)` Creates a new border painter for PostScript.

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and 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` | `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

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