org.mapfish.print
Class Transformer

java.lang.Object
  org.mapfish.print.Transformer

All Implemented Interfaces:

java.lang.Cloneable

public class Transformer
extends java.lang.Object
implements java.lang.Cloneable

Class that deals with the geometric tranformation between the geographic, bitmap, and paper space for a map rendering.

Field Summary

float	maxGeoX
float	maxGeoY
float	minGeoX
float	minGeoY

Constructor Summary

Transformer(float centerX, float centerY, int paperWidth, int paperHeight, int scale, int dpi, DistanceUnit unitEnum, double rotation)

Method Summary

Transformer	clone()
java.awt.geom.AffineTransform	getBaseTransform()
java.awt.geom.AffineTransform	getBitmapTransform()
float	getGeoH()
java.awt.geom.AffineTransform	getGeoTransform(boolean reverseRotation)
float	getGeoW()
float	getMaxGeoX()
float	getMaxGeoY()
float	getMinGeoX()
float	getMinGeoY()
float	getPaperH()
float	getPaperPosX()
float	getPaperPosY()
float	getPaperW()
java.awt.geom.AffineTransform	getPdfTransform()
float	getResolution()
long	getRotatedBitmapH()
long	getRotatedBitmapW()
float	getRotatedGeoH()
float	getRotatedGeoW()
float	getRotatedMaxGeoX()
float	getRotatedMaxGeoY()
float	getRotatedMinGeoX()
float	getRotatedMinGeoY()
float	getRotatedPaperH()
float	getRotatedPaperW()
long	getRotatedSvgH()
long	getRotatedSvgW()
double	getRotation()
int	getScale()
float	getStraightBitmapH()
float	getStraightBitmapW()
long	getStraightSvgH()
long	getStraightSvgW()
int	getSvgFactor()
java.awt.geom.AffineTransform	getSvgTransform()
void	setClipping(com.lowagie.text.pdf.PdfContentByte dc)
void	setMapPos(float x, float y)
void	setResolution(float resolution)
void	setRotation(double rotation)
void	zoom(Transformer mainTransformer, float factor)

Methods inherited from class java.lang.Object

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

Field Detail

minGeoX

public float minGeoX

minGeoY

public float minGeoY

maxGeoX

public float maxGeoX

maxGeoY

public float maxGeoY

Constructor Detail

Transformer

public Transformer(float centerX,
                   float centerY,
                   int paperWidth,
                   int paperHeight,
                   int scale,
                   int dpi,
                   DistanceUnit unitEnum,
                   double rotation)

Method Detail

getGeoW

public float getGeoW()

getGeoH

public float getGeoH()

getStraightBitmapW

public float getStraightBitmapW()

getStraightBitmapH

public float getStraightBitmapH()

getRotatedBitmapW

public long getRotatedBitmapW()

getRotatedBitmapH

public long getRotatedBitmapH()

getRotatedGeoW

public float getRotatedGeoW()

getRotatedGeoH

public float getRotatedGeoH()

getRotatedPaperW

public float getRotatedPaperW()

getRotatedPaperH

public float getRotatedPaperH()

getRotatedMinGeoX

public float getRotatedMinGeoX()

getRotatedMaxGeoX

public float getRotatedMaxGeoX()

getRotatedMinGeoY

public float getRotatedMinGeoY()

getRotatedMaxGeoY

public float getRotatedMaxGeoY()

getRotatedSvgW

public long getRotatedSvgW()

getRotatedSvgH

public long getRotatedSvgH()

getStraightSvgW

public long getStraightSvgW()

getStraightSvgH

public long getStraightSvgH()

getPaperW

public float getPaperW()

getPaperH

public float getPaperH()

setMapPos

public void setMapPos(float x,
                      float y)

getPaperPosX

public float getPaperPosX()

getPaperPosY

public float getPaperPosY()

getBaseTransform

public java.awt.geom.AffineTransform getBaseTransform()

Returns:

a transformer with paper dimensions, but that takes into account the position of the map and its rotation.

getGeoTransform

public java.awt.geom.AffineTransform getGeoTransform(boolean reverseRotation)

Parameters:

reverseRotation - True to do the rotation in the other direction

Returns:

The affine transformation to go from geographic coordinated to paper coordinates

getSvgTransform

public java.awt.geom.AffineTransform getSvgTransform()

getPdfTransform

public java.awt.geom.AffineTransform getPdfTransform()

getBitmapTransform

public java.awt.geom.AffineTransform getBitmapTransform()

getScale

public int getScale()

zoom

public void zoom(Transformer mainTransformer,
                 float factor)

clone

public Transformer clone()

Overrides:

clone in class java.lang.Object

getMinGeoX

public float getMinGeoX()

getMinGeoY

public float getMinGeoY()

getMaxGeoX

public float getMaxGeoX()

getMaxGeoY

public float getMaxGeoY()

getSvgFactor

public int getSvgFactor()

getRotation

public double getRotation()

setClipping

public void setClipping(com.lowagie.text.pdf.PdfContentByte dc)

setRotation

public void setRotation(double rotation)

getResolution

public float getResolution()

setResolution

public void setResolution(float resolution)