com.sun.javafx.sg.prism.NGSubScene Maven / Gradle / Ivy
/*
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* 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.
*
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package com.sun.javafx.sg.prism;
import com.sun.javafx.geom.transform.BaseTransform;
import com.sun.javafx.sg.PGCamera;
import com.sun.javafx.sg.PGSubScene;
import com.sun.javafx.sg.PGNode;
import com.sun.prism.RTTexture;
import com.sun.prism.Graphics;
import com.sun.prism.ResourceFactory;
import com.sun.prism.Texture;
import com.sun.prism.camera.PrismDefaultCamera;
import com.sun.prism.paint.Color;
import com.sun.prism.paint.Paint;
import com.sun.prism.camera.PrismCameraImpl;
/**
* @author Thor Johannesson
*/
public class NGSubScene extends NGNode implements PGSubScene {
private int rtWidth, rtHeight;
private RTTexture rtt;
private NGNode root = null;
private boolean renderSG = true;
public void setRoot(PGNode root) {
this.root = (NGNode)root;
}
private Paint fillPaint;
public void setFillPaint(Object paint) {
fillPaint = (Paint)paint;
}
private PrismCameraImpl camera;
public void setCamera(PGCamera camera) {
if (camera != null) {
this.camera = ((NGCamera) camera).getCameraImpl();
} else {
this.camera = PrismDefaultCamera.getInstance();
}
}
public void setWidth(float width) {
int iWidth = (int)Math.ceil(width);
if (this.rtWidth != iWidth) {
this.rtWidth = iWidth;
geometryChanged();
invalidateRTT();
}
}
public void setHeight(float height) {
int iHeight = (int)Math.ceil(height);
if (this.rtHeight != iHeight) {
this.rtHeight = iHeight;
geometryChanged();
invalidateRTT();
}
}
boolean depthBuffer = false;
public void setDepthBuffer(boolean depthBuffer) {
this.depthBuffer = depthBuffer;
}
private Object lights[];
@Override
public Object[] getLights() { return lights; }
public void setLights(Object[] lights) {
this.lights = lights;
}
public void markContentDirty() {
visualsChanged();
}
@Override
protected void visualsChanged() {
renderSG = true;
super.visualsChanged();
}
@Override
protected void geometryChanged() {
renderSG = true;
super.geometryChanged();
}
private void invalidateRTT() {
if (rtt != null) {
// TODO as possibile optimization by keeping old rtt if SubScene
// becomes smaller
rtt.dispose();
rtt = null;
}
}
@Override
protected boolean hasOverlappingContents() {
//TODO verify correctness
return false;
}
private void applyBackgroundFillPaint(Graphics g) {
if (fillPaint != null) {
if (fillPaint instanceof Color) {
g.clear((Color)fillPaint);
} else {
if (!fillPaint.isOpaque()) {
g.clear();
}
g.setPaint(fillPaint);
g.fillRect(0, 0, rtt.getContentWidth(), rtt.getContentHeight());
}
} else {
// Default is transparent
g.clear();
}
}
@Override
protected void renderContent(Graphics g) {
if (rtt != null) {
rtt.lock();
if (rtt.isSurfaceLost()) {
renderSG = true;
rtt = null;
}
}
if (renderSG || !root.isClean()) {
if (rtt == null) {
ResourceFactory factory = g.getResourceFactory();
rtt = factory.createRTTexture(rtWidth, rtHeight,
Texture.WrapMode.CLAMP_NOT_NEEDED);
}
Graphics rttGraphics = rtt.createGraphics();
rttGraphics.setLights(lights);
rttGraphics.setDepthBuffer(depthBuffer);
if (camera != null) {
rttGraphics.setCamera(camera);
}
applyBackgroundFillPaint(rttGraphics);
rttGraphics.setTransform(BaseTransform.IDENTITY_TRANSFORM);
root.render(rttGraphics);
root.clearDirtyTree();
renderSG = false;
}
g.drawTexture(rtt, rtt.getContentX(), rtt.getContentY(),
rtt.getContentWidth(), rtt.getContentHeight());
rtt.unlock();
}
}