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package org.pdfbox.pdmodel.common;
import org.pdfbox.cos.COSArray;
import org.pdfbox.cos.COSBase;
import org.pdfbox.cos.COSFloat;
import org.pdfbox.cos.COSNumber;
import org.fontbox.util.BoundingBox;
import java.awt.Dimension;
/**
* This represents a rectangle in a PDF document.
*
* @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
* @version $Revision: 1.12 $
*/
public class PDRectangle implements COSObjectable
{
private COSArray rectArray;
/**
* Constructor.
*
* Initializes to 0,0,0,0
*/
public PDRectangle()
{
rectArray = new COSArray();
rectArray.add( new COSFloat( 0.0f ) );
rectArray.add( new COSFloat( 0.0f ) );
rectArray.add( new COSFloat( 0.0f ) );
rectArray.add( new COSFloat( 0.0f ) );
}
/**
* Constructor.
*
* @param width The width of the rectangle.
* @param height The height of the rectangle.
*/
public PDRectangle( float width, float height )
{
rectArray = new COSArray();
rectArray.add( new COSFloat( 0.0f ) );
rectArray.add( new COSFloat( 0.0f ) );
rectArray.add( new COSFloat( width ) );
rectArray.add( new COSFloat( height ) );
}
/**
* Constructor.
*
* @param box The non PD bouding box.
*/
public PDRectangle( BoundingBox box )
{
rectArray = new COSArray();
rectArray.add( new COSFloat( box.getLowerLeftX() ) );
rectArray.add( new COSFloat( box.getLowerLeftY() ) );
rectArray.add( new COSFloat( box.getUpperRightX() ) );
rectArray.add( new COSFloat( box.getUpperRightY() ) );
}
/**
* Constructor.
*
* @param array An array of numbers as specified in the PDF Reference for a rectangle type.
*/
public PDRectangle( COSArray array )
{
rectArray = array;
}
/**
* Method to determine if the x/y point is inside this rectangle.
* @param x The x-coordinate to test.
* @param y The y-coordinate to test.
* @return True if the point is inside this rectangle.
*/
public boolean contains( float x, float y )
{
float llx = getLowerLeftX();
float urx = getUpperRightX();
float lly = getLowerLeftY();
float ury = getUpperRightY();
return x >= llx && x <= urx &&
y >= lly && y <= ury;
}
/**
* This will create a translated rectangle based off of this rectangle, such
* that the new rectangle retains the same dimensions(height/width), but the
* lower left x,y values are zero. <br />
* 100, 100, 400, 400 (llx, lly, urx, ury ) <br />
* will be translated to 0,0,300,300
*
* @return A new rectangle that has been translated back to the origin.
*/
public PDRectangle createRetranslatedRectangle()
{
PDRectangle retval = new PDRectangle();
retval.setUpperRightX( getWidth() );
retval.setUpperRightY( getHeight() );
return retval;
}
/**
* This will get the underlying array for this rectangle.
*
* @return The cos array.
*/
public COSArray getCOSArray()
{
return rectArray;
}
/**
* This will get the lower left x coordinate.
*
* @return The lower left x.
*/
public float getLowerLeftX()
{
return ((COSNumber)rectArray.get(0)).floatValue();
}
/**
* This will set the lower left x coordinate.
*
* @param value The lower left x.
*/
public void setLowerLeftX(float value)
{
rectArray.set(0, new COSFloat( value ) );
}
/**
* This will get the lower left y coordinate.
*
* @return The lower left y.
*/
public float getLowerLeftY()
{
return ((COSNumber)rectArray.get(1)).floatValue();
}
/**
* This will set the lower left y coordinate.
*
* @param value The lower left y.
*/
public void setLowerLeftY(float value)
{
rectArray.set(1, new COSFloat( value ) );
}
/**
* This will get the upper right x coordinate.
*
* @return The upper right x .
*/
public float getUpperRightX()
{
return ((COSNumber)rectArray.get(2)).floatValue();
}
/**
* This will set the upper right x coordinate.
*
* @param value The upper right x .
*/
public void setUpperRightX(float value)
{
rectArray.set(2, new COSFloat( value ) );
}
/**
* This will get the upper right y coordinate.
*
* @return The upper right y.
*/
public float getUpperRightY()
{
return ((COSNumber)rectArray.get(3)).floatValue();
}
/**
* This will set the upper right y coordinate.
*
* @param value The upper right y.
*/
public void setUpperRightY(float value)
{
rectArray.set(3, new COSFloat( value ) );
}
/**
* This will get the width of this rectangle as calculated by
* upperRightX - lowerLeftX.
*
* @return The width of this rectangle.
*/
public float getWidth()
{
return getUpperRightX() - getLowerLeftX();
}
/**
* This will get the height of this rectangle as calculated by
* upperRightY - lowerLeftY.
*
* @return The height of this rectangle.
*/
public float getHeight()
{
return getUpperRightY() - getLowerLeftY();
}
/**
* A convenience method to create a dimension object for AWT operations.
*
* @return A dimension that matches the width and height of this rectangle.
*/
public Dimension createDimension()
{
return new Dimension( (int)getWidth(), (int)getHeight() );
}
/**
* This will move the rectangle the given relative amount.
*
* @param horizontalAmount positive values will move rectangle to the right, negative's to the left.
* @param verticalAmount positive values will move the rectangle up, negative's down.
*/
public void move(float horizontalAmount, float verticalAmount)
{
setUpperRightX(getUpperRightX() + horizontalAmount);
setLowerLeftX(getLowerLeftX() + horizontalAmount);
setUpperRightY(getUpperRightY() + verticalAmount);
setLowerLeftY(getLowerLeftY() + verticalAmount);
}
/**
* Convert this standard java object to a COS object.
*
* @return The cos object that matches this Java object.
*/
public COSBase getCOSObject()
{
return rectArray;
}
/**
* This will return a string representation of this rectangle.
*
* @return This object as a string.
*/
public String toString()
{
return "[" + getLowerLeftX() + "," + getLowerLeftY() + "," +
getUpperRightX() + "," + getUpperRightY() +"]";
}
}