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/*
* Copyright 1998-2008 Sun Microsystems, Inc. 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. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
package javax.media.j3d;
import java.util.ArrayList;
import javax.vecmath.Color3f;
/**
* The ColoringAttributesRetained object defines attributes that apply to
* to coloring mapping.
*/
class ColoringAttributesRetained extends NodeComponentRetained {
// A list of pre-defined bits to indicate which component
// in this ColoringAttributes object changed.
static final int COLOR_CHANGED = 0x01;
static final int SHADE_MODEL_CHANGED = 0x02;
// Intrinsic color used when lighting is disabled or when
// material is null
Color3f color = new Color3f(1.0f, 1.0f, 1.0f);
// Shade model (flat, smooth)
int shadeModel = ColoringAttributes.SHADE_GOURAUD;
/**
* Sets the intrinsic color of this ColoringAttributes
* component object.
* @param color the color that is used when lighting is disabled
* or when material is null
*/
final void initColor(Color3f color) {
this.color.set(color);
}
/**
* Sets the intrinsic color of this ColoringAttributes
* component object and sends a message notifying
* the interested structures of the change.
* @param color the color that is used when lighting is disabled
* or when material is null
*/
final void setColor(Color3f color) {
initColor(color);
sendMessage(COLOR_CHANGED, new Color3f(color));
}
/**
* Sets the intrinsic color of this ColoringAttributes
* component object. This color is used when lighting is disabled
* or when material is null.
* @param r the red component of the color
* @param g the green component of the color
* @param b the blue component of the color
*/
final void initColor(float r, float g, float b) {
this.color.set(r, g, b);
}
/**
* Sets the intrinsic color of this ColoringAttributes
* component object and sends a message notifying
* the interested structures of the change.
* This color is used when lighting is disabled
* or when material is null.
* @param r the red component of the color
* @param g the green component of the color
* @param b the blue component of the color
*/
final void setColor(float r, float g, float b) {
initColor(r, g, b);
sendMessage(COLOR_CHANGED, new Color3f(r, g, b));
}
/**
* Gets the intrinsic color of this ColoringAttributes
* component object.
* @param color the vector that will receive color
*/
final void getColor(Color3f color) {
color.set(this.color);
}
/**
* Sets the shade mode for this ColoringAttributes component object.
* @param shadeModel the shade mode to be used; one of FASTEST,
* NICEST, SHADE_FLAT, or SHADE_GOURAUD
*/
final void initShadeModel(int shadeModel) {
this.shadeModel = shadeModel;
}
/**
* Sets the shade mode for this ColoringAttributes component object
* and sends a message notifying
* the interested structures of the change.
* @param shadeModel the shade mode to be used; one of FASTEST,
* NICEST, SHADE_FLAT, or SHADE_GOURAUD
*/
final void setShadeModel(int shadeModel) {
initShadeModel(shadeModel);
sendMessage(SHADE_MODEL_CHANGED, new Integer(shadeModel));
}
/**
* Gets the shade mode for this ColoringAttributes component object.
* @return shadeModel the shade mode
*/
final int getShadeModel() {
return shadeModel;
}
/**
* Creates and initializes a mirror object, point the mirror object
* to the retained object if the object is not editable
*/
@Override
synchronized void createMirrorObject() {
if (mirror == null) {
// Check the capability bits and let the mirror object
// point to itself if is not editable
if (isStatic()) {
mirror = this;
} else {
ColoringAttributesRetained mirrorCa
= new ColoringAttributesRetained();
mirrorCa.source = source;
mirrorCa.set(this);
mirror = mirrorCa;
}
} else {
((ColoringAttributesRetained) mirror).set(this);
}
}
void updateNative(Context ctx,
float dRed, float dGreen, float dBlue,
float alpha, boolean lEnable) {
Pipeline.getPipeline().updateColoringAttributes(ctx,
dRed, dBlue, dGreen, color.x, color.y,
color.z, alpha,
lEnable, shadeModel);
}
/**
* Creates a mirror object, point the mirror object to the retained
* object if the object is not editable
*/
@Override
synchronized void initMirrorObject() {
((ColoringAttributesRetained)mirror).set(this);
}
/** Update the "component" field of the mirror object with the
* given "value"
*/
@Override
synchronized void updateMirrorObject(int component, Object value) {
ColoringAttributesRetained mirrorCa =
(ColoringAttributesRetained) mirror;
if ((component & COLOR_CHANGED) != 0) {
mirrorCa.color.set(((Color3f)value));
}
else if ((component & SHADE_MODEL_CHANGED) != 0) {
mirrorCa.shadeModel = ((Integer)value).intValue();
}
}
boolean equivalent(ColoringAttributesRetained cr) {
return ((cr != null) &&
color.equals(cr.color) &&
(shadeModel == cr.shadeModel));
}
// This functions clones the retained side only and is used
// internally
@Override
protected Object clone() {
ColoringAttributesRetained cr =
(ColoringAttributesRetained)super.clone();
cr.color = new Color3f(color);
// shadeModel is copied in super.clone()
return cr;
}
// This functions clones the retained side only and is used
// internally
protected void set(ColoringAttributesRetained cr) {
super.set(cr);
color.set(cr.color);
shadeModel = cr.shadeModel;
}
final void sendMessage(int attrMask, Object attr) {
ArrayList univList = new ArrayList();
ArrayList> gaList = Shape3DRetained.getGeomAtomsList(mirror.users, univList);
// Send to rendering attribute structure, regardless of
// whether there are users or not (alternate appearance case ..)
J3dMessage createMessage = new J3dMessage();
createMessage.threads = J3dThread.UPDATE_RENDERING_ATTRIBUTES;
createMessage.type = J3dMessage.COLORINGATTRIBUTES_CHANGED;
createMessage.universe = null;
createMessage.args[0] = this;
createMessage.args[1]= new Integer(attrMask);
createMessage.args[2] = attr;
createMessage.args[3] = new Integer(changedFrequent);
VirtualUniverse.mc.processMessage(createMessage);
// System.err.println("univList.size is " + univList.size());
for(int i=0; i gL = gaList.get(i);
GeometryAtom[] gaArr = new GeometryAtom[gL.size()];
gL.toArray(gaArr);
createMessage.args[3] = gaArr;
VirtualUniverse.mc.processMessage(createMessage);
}
}
@Override
void handleFrequencyChange(int bit) {
if (bit == ColoringAttributes.ALLOW_COLOR_WRITE ||
bit == ColoringAttributes.ALLOW_SHADE_MODEL_WRITE) {
setFrequencyChangeMask(bit, 0x1);
}
}
}