/***********************************************************************
* mt4j Copyright (c) 2008 - 2009, C.Ruff, Fraunhofer-Gesellschaft All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
***********************************************************************/
package org.mt4j.components.visibleComponents.font;
import java.util.List;
import org.mt4j.components.bounds.IBoundingShape;
import org.mt4j.components.visibleComponents.GeometryInfo;
import org.mt4j.components.visibleComponents.shapes.mesh.MTTriangleMesh;
import org.mt4j.util.math.ToolsGeometry;
import org.mt4j.util.math.Vertex;
import org.mt4j.util.opengl.GluTrianglulator;
import processing.core.PApplet;
/**
* A class representing the character of a vector font.
*
* @author Christopher Ruff
*/
public class VectorFontCharacter extends
MTTriangleMesh
// MTComplexPolygon
implements IFontCharacter {
/** The unicode. */
private String unicode;
/** The horizontal dist. */
private int horizontalDist;
//TODO make constructor with leftoffset, unicode, horzindalAdv
/**
* A vector font character class.
* The specified contour vertices are assumed to lie in the z=0 plane.
*
* @param contours the contours
* @param pApplet the applet
*/
public VectorFontCharacter(/*Vertex[] innerVertices,*/ List<Vertex[]> contours, PApplet pApplet) {
// super(innerVertices, outlines, pApplet);
// /*
//Create dummy vertices, will be replaced later in the constructor
super(pApplet, new GeometryInfo(pApplet, new Vertex[]{}), false);
//Caluculate vertices from bezierinformation
int segments = 10;
List<Vertex[]> bezierContours = ToolsGeometry.createVertexArrFromBezierVertexArrays(contours, segments);
//Triangulate bezier contours
GluTrianglulator triangulator = new GluTrianglulator(pApplet);
List<Vertex> tris = triangulator.tesselate(bezierContours);
//Set new geometry info with triangulated vertices
super.setGeometryInfo(new GeometryInfo(pApplet, tris.toArray(new Vertex[tris.size()])));
//Set Mesh outlines
this.setOutlineContours(bezierContours);
//Delete triangulator (C++ object)
triangulator.deleteTess();
// */
this.setPickable(false);
}
/**
* Gets the contours.
*
* @return the contours
*/
public List<Vertex[]> getContours(){
return this.getOutlineContours();
}
@Override
protected void setDefaultGestureActions() {
//no gestures
}
@Override
protected IBoundingShape computeDefaultBounds(){
// return new BoundsZPlaneRectangle(this);
//We assume that font characters never get picked or anything
//and hope the creation speeds up through not calculating a bounding shape
return null;
}
public String getUnicode() {
return unicode;
}
/**
* Sets the unicode.
* @param unicode the new unicode
*/
public void setUnicode(String unicode) {
this.unicode = unicode;
}
/**
* The horizontal advancement distance specifies, how many units
* to the right, after this character the following character may be placed.
*
* @return the horizontal dist
*/
public int getHorizontalDist() {
return horizontalDist;
}
/**
* This shouldnt be set manually, except by the font parser/creator.
*
* @param horizontalDist the horizontal dist
*/
public void setHorizontalDist(int horizontalDist) {
this.horizontalDist = horizontalDist;
}
@Override
protected void destroyDisplayLists() {
super.destroyDisplayLists();
//this should actually be called explicitly since a fontchar is
//usually not child of a component
//So we have to destroy the list if we explicitly destroy a font
//E.g. when we remove it from the cache
}
}