/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2003-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.renderer.style;
// J2SE dependencies
import java.awt.Shape;
import java.awt.geom.Rectangle2D;
import org.geotools.geometry.jts.TransformedShape;
import org.geotools.resources.Classes;
/**
* Style to represent points as small filled and stroked shapes
*
* @author Andrea Aime
*
*
* @source $URL$
* @version $Id$
*/
public class MarkStyle2D extends PolygonStyle2D {
static boolean maxMarkSizeEnabled = Boolean.getBoolean("org.geotools.maxMarkSizeEnabled");
Shape shape;
double size;
float rotation;
/**
* Returns the shape rotation, in radians
*
* @return shape rotation, in radians
*/
public float getRotation() {
return rotation;
}
/**
* Returns the shape to be used to render the mark
*
*/
public Shape getShape() {
return shape;
}
/**
* Returns a shape that can be used to draw the mark at the x, y coordinates
* with appropriated rotation and size (according to the current style)
*
* @param x the x coordinate where the mark will be drawn
* @param y the y coordinate where the mark will be drawn
*
* @return a shape that can be used to draw the mark
*/
public Shape getTransformedShape(float x, float y) {
return getTransformedShape(x, y, rotation);
}
/**
* Returns a shape that can be used to draw the mark at the x, y coordinates
* with appropriated rotation and size (according to the current style)
*
* @param x the x coordinate where the mark will be drawn
* @param y the y coordinate where the mark will be drawn
* @param rotation a custom rotation, other than the mark build in one
*
* @return a shape that can be used to draw the mark
*/
public Shape getTransformedShape(float x, float y, float rotation) {
if (shape != null) {
Rectangle2D bounds = shape.getBounds2D();
double shapeSize = (maxMarkSizeEnabled ? Math.max(bounds.getWidth(), bounds.getHeight()) : bounds.getHeight());
double scale = size / shapeSize;
TransformedShape ts = new TransformedShape();
ts.shape = shape;
ts.translate(x, y);
ts.rotate(rotation);
// flip the symbol to take into account the screen orientation
// where the y grows from top to bottom
ts.scale(scale, -scale);
return ts;
} else {
return null;
}
}
/**
* Returns the size of the shape, in pixels
*
*/
public double getSize() {
return size;
}
/**
* Sets the shape rotation, in radians
*
* @param f
*/
public void setRotation(float f) {
rotation = f;
}
/**
* Sets the shape to be used to render the mark
*
* @param shape
*/
public void setShape(Shape shape) {
this.shape = shape;
}
/**
* Sets the size of the shape, in pixels
*
* @param i
*/
public void setSize(double i) {
size = i;
}
/**
* Returns a string representation of this style.
*/
public String toString() {
return Classes.getShortClassName(this) + '[' + shape + ']';
}
public static boolean isMaxMarkSizeEnabled() {
return maxMarkSizeEnabled;
}
/**
* When true makes the mark scale itself to size using the max between the original
* width and height, otherwise it defaults to the mark height (which has been the
* original behavior of this class)
*
* @since 2.7.3
*
* @param useMaxMarkSize
*/
public static void setMaxMarkSizeEnabled(boolean useMaxMarkSize) {
MarkStyle2D.maxMarkSizeEnabled = useMaxMarkSize;
}
}