#110496# Merge from cws_srx645_canvas01: first working version of XCanvas UNO components, for now consisting of javacanvas.uno.jar, vclcanvas.uno and directxcanvas.uno (windows only)
This commit is contained in:
Thorsten Behrens
249
canvas/source/java/SpriteRunner.java
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249
canvas/source/java/SpriteRunner.java
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/*************************************************************************
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*
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* $RCSfile: SpriteRunner.java,v $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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// UNO
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import com.sun.star.uno.UnoRuntime;
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import com.sun.star.uno.XComponentContext;
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import com.sun.star.uno.AnyConverter;
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import com.sun.star.uno.IQueryInterface;
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import com.sun.star.lang.XInitialization;
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import com.sun.star.lib.uno.helper.WeakBase;
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// OOo AWT
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import com.sun.star.awt.*;
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// Canvas
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import drafts.com.sun.star.rendering.*;
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// Java AWT
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import java.awt.*;
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import java.awt.geom.*;
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// system-dependent stuff
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import sun.awt.*;
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//
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// HOWTO get a Graphics2D from a window
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//
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// import javax.swing.*;
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// import java.awt.*;
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// import java.awt.geom.*;
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// public class Stroke1 extends JFrame {
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// Stroke drawingStroke = new BasicStroke(5);
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// Rectangle2D rect =
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// new Rectangle2D.Double(20, 40, 100, 40);
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// public void paint(Graphics g) {
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// Graphics2D g2d = (Graphics2D)g;
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// g2d.setStroke(drawingStroke);
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// g2d.draw(rect);
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// }
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// public static void main(String args[]) {
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// JFrame frame = new Stroke1();
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// frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
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// frame.setSize(200, 100);
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// frame.show();
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// }
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// }
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public class SpriteRunner
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extends Thread
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{
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private CanvasSprite sprite;
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private XAnimation spriteAnimation;
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private JavaCanvas canvas;
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private double startTime;
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private double currentSpeed;
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private double currentT;
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private boolean animationActive;
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private boolean stayAlive;
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//----------------------------------------------------------------------------------
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public SpriteRunner( CanvasSprite _sprite, XAnimation _animation, JavaCanvas _canvas )
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{
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CanvasUtils.printLog( "SpriteRunner constructor called!" );
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sprite = _sprite;
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spriteAnimation = _animation;
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canvas = _canvas;
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startTime = 0.0;
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currentSpeed = 0.0;
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currentT = 0.0;
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animationActive = false;
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stayAlive = true;
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// Set priority to lower-than-normal, as this thread runs the
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// animation in a busy loop.
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setPriority( MIN_PRIORITY );
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}
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//----------------------------------------------------------------------------------
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//
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// Thread
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// ======
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//
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// Overriding
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//
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public void run()
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{
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// perform the animation rendering (as fast as possible, for now)
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while( stayAlive )
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{
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while( animationActive )
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{
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// to determine the current animation step to render, calc the
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// elapsed time since this animation was started
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double elapsedTime = getCurrentTime() - startTime;
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// the frame to render is determined by mapping the cycle
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// duration (currentSpeed) to the [0,1] range of the animation.
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currentT = (elapsedTime % currentSpeed) / currentSpeed;
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// delegate animation rendering to SpriteCanvas, as
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// only this instance can enforce consistency (on-time
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// saving of background etc.)
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canvas.renderAnimation( sprite, spriteAnimation, currentT );
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// TODO: Consolidate _all_ sprites per canvas into one
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// thread, call updateScreen() only after all sprites
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// have been processed.
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//Make changes visible
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canvas.updateScreen();
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// TODO: Evaluate vs. setPriority and other means
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// try
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// {
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// // give other tasks some time to breathe (10ms - this is only meant symbolically)
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// sleep(10);
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// } catch( InterruptedException e ) { }
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}
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// wait until animation is activated again
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try
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{
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wait();
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}
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catch( InterruptedException e ) { }
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catch( IllegalMonitorStateException e ) { }
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}
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}
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public synchronized void startAnimation( double speed )
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{
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resetAnimation();
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currentSpeed = speed;
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// start us, if not done already
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if( !isAlive() )
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start();
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// enable animation thread
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animationActive = true;
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try
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{
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notify();
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} catch( IllegalMonitorStateException e ) { }
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}
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public synchronized void stopAnimation()
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{
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// stop animation after the current frame has been completely
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// rendered
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animationActive = false;
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}
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public synchronized void resetAnimation()
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{
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startTime = getCurrentTime();
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}
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public synchronized boolean isAnimationActive()
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{
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return animationActive;
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}
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public synchronized void quit()
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{
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stayAlive = false;
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stopAnimation();
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}
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public synchronized double getCurrentT()
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{
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return currentT;
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}
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//----------------------------------------------------------------------------------
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// helper
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static double getCurrentTime()
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{
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// determine current time in seconds
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java.util.Calendar cal = new java.util.GregorianCalendar();
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return cal.getTimeInMillis() / 1000.0;
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}
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}
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