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/*
* Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package javafx.scene.shape;
import com.sun.javafx.geom.BaseBounds;
import com.sun.javafx.geom.PickRay;
import com.sun.javafx.geom.transform.BaseTransform;
import com.sun.javafx.scene.DirtyBits;
import com.sun.javafx.scene.NodeHelper;
import com.sun.javafx.scene.input.PickResultChooser;
import com.sun.javafx.scene.shape.MeshHelper;
import com.sun.javafx.scene.shape.MeshViewHelper;
import com.sun.javafx.sg.prism.NGMeshView;
import com.sun.javafx.sg.prism.NGNode;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.beans.value.WeakChangeListener;
import javafx.scene.Node;
/**
* The {@code MeshView} class defines a surface with the specified 3D
* mesh data.
*
* @since JavaFX 8.0
*/
public class MeshView extends Shape3D {
static {
// This is used by classes in different packages to get access to
// private and package private methods.
MeshViewHelper.setMeshViewAccessor(new MeshViewHelper.MeshViewAccessor() {
@Override
public NGNode doCreatePeer(Node node) {
return ((MeshView) node).doCreatePeer();
}
@Override
public void doUpdatePeer(Node node) {
((MeshView) node).doUpdatePeer();
}
@Override
public BaseBounds doComputeGeomBounds(Node node,
BaseBounds bounds, BaseTransform tx) {
return ((MeshView) node).doComputeGeomBounds(bounds, tx);
}
@Override
public boolean doComputeContains(Node node, double localX, double localY) {
return ((MeshView) node).doComputeContains(localX, localY);
}
@Override
public boolean doComputeIntersects(Node node, PickRay pickRay,
PickResultChooser pickResult) {
return ((MeshView) node).doComputeIntersects(pickRay, pickResult);
}
});
}
{
// To initialize the class helper at the begining each constructor of this class
MeshViewHelper.initHelper(this);
}
/**
* Creates a new instance of {@code MeshView} class.
*/
public MeshView() {
}
/**
* Creates a new instance of {@code MeshView} class with the specified {@code Mesh}
* surface.
* @param mesh the mesh surface
*/
public MeshView(Mesh mesh) {
setMesh(mesh);
}
/**
* Specifies the 3D mesh data of this {@code MeshView}.
*
* @defaultValue null
*/
private ObjectProperty mesh;
public final void setMesh(Mesh value) {
meshProperty().set(value);
}
public final Mesh getMesh() {
return mesh == null ? null : mesh.get();
}
public final ObjectProperty meshProperty() {
if (mesh == null) {
mesh = new SimpleObjectProperty(MeshView.this, "mesh") {
private Mesh old = null;
private final ChangeListener meshChangeListener =
(observable, oldValue, newValue) -> {
if (newValue) {
NodeHelper.markDirty(MeshView.this, DirtyBits.MESH_GEOM);
NodeHelper.geomChanged(MeshView.this);
}
};
private final WeakChangeListener weakMeshChangeListener =
new WeakChangeListener(meshChangeListener);
@Override
protected void invalidated() {
if (old != null) {
old.dirtyProperty().removeListener(weakMeshChangeListener);
}
Mesh newMesh = get();
if (newMesh != null) {
newMesh.dirtyProperty().addListener(weakMeshChangeListener);
}
NodeHelper.markDirty(MeshView.this, DirtyBits.MESH);
NodeHelper.markDirty(MeshView.this, DirtyBits.MESH_GEOM);
NodeHelper.geomChanged(MeshView.this);
old = newMesh;
}
};
}
return mesh;
}
/*
* Note: This method MUST only be called via its accessor method.
*/
private void doUpdatePeer() {
NGMeshView peer = NodeHelper.getPeer(this);
if (NodeHelper.isDirty(this, DirtyBits.MESH_GEOM) && getMesh() != null) {
getMesh().updatePG();
}
if (NodeHelper.isDirty(this, DirtyBits.MESH)) {
peer.setMesh((getMesh() == null) ? null : getMesh().getPGMesh());
}
}
/*
* Note: This method MUST only be called via its accessor method.
*/
private NGNode doCreatePeer() {
return new NGMeshView();
}
/*
* Note: This method MUST only be called via its accessor method.
*/
private BaseBounds doComputeGeomBounds(BaseBounds bounds, BaseTransform tx) {
if (getMesh() != null) {
bounds = getMesh().computeBounds(bounds);
bounds = tx.transform(bounds, bounds);
} else {
bounds.makeEmpty();
}
return bounds;
}
/*
* Note: This method MUST only be called via its accessor method.
*/
private boolean doComputeContains(double localX, double localY) {
throw new UnsupportedOperationException("Not supported yet.");
}
/*
* Note: This method MUST only be called via its accessor method.
*/
private boolean doComputeIntersects(PickRay pickRay, PickResultChooser pickResult) {
return MeshHelper.computeIntersects(getMesh(), pickRay, pickResult, this, getCullFace(), true);
}
}
