/*
* Copyright (c) 2008, 2010, 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 com.sun.lwuit.resources.editor.editors;
import com.sun.lwuit.StaticAnimation;
import com.sun.lwuit.animations.AnimationAccessor;
import com.sun.lwuit.animations.Timeline;
import com.sun.lwuit.animations.AnimationObject;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JComponent;
import javax.swing.JTable;
import javax.swing.SwingUtilities;
/**
* Renders an image from lwuit on a Swing canvas including support for LWUIT animations
*
* @author Shai Almog
*/
public class LWUITImageRenderer extends JComponent implements MouseListener, MouseMotionListener {
private com.sun.lwuit.Image image;
private BufferedImage[] buffer;
private int currentFrame = 0;
private static List<WeakReference<LWUITImageRenderer>> allAnimations = new ArrayList<WeakReference<LWUITImageRenderer>>();
private JTable animationObjectList;
// variables related to animations
private long baseTime = System.currentTimeMillis();
private int worldTime;
private int nextFrame = 1;
private int totalAnimationTime;
private int[] times;
private TimelineEditor editor;
private AnimationObject dragging;
private BufferedImage draggingImage;
private int dragX, dragY;
private boolean drawBorder;
private double zoom = 1;
// static timer to prevent a memory leak
static {
javax.swing.Timer t = new javax.swing.Timer(200, new ActionListener() {
public void actionPerformed(ActionEvent e) {
for(WeakReference<LWUITImageRenderer> img : allAnimations) {
LWUITImageRenderer r = img.get();
if(r != null) {
r.updateFrameAnimation();
} else {
// remove empty animations and skip the rest to prevent iteration issues
allAnimations.remove(img);
return;
}
}
}
});
t.setDelay(200);
t.start();
}
public void updateAnimation() {
if(!((Timeline)image).isPause()) {
image.animate();
buffer[0].setRGB(0, 0, image.getWidth(), image.getHeight(), image.getRGB(), 0, image.getWidth());
repaint();
}
}
private void updateFrameAnimation() {
if(image instanceof Timeline) {
if(!((Timeline)image).isPause()) {
worldTime = (int)(System.currentTimeMillis() - baseTime);
if(worldTime > totalAnimationTime) {
worldTime = 0;
baseTime = System.currentTimeMillis();
}
((Timeline)image).setTime(worldTime);
image.animate();
buffer[0].setRGB(0, 0, image.getWidth(), image.getHeight(), image.getRGB(), 0, image.getWidth());
repaint();
}
return;
}
if(((nextFrame != 0) && (worldTime >= times[nextFrame])) || ((nextFrame == 0) && (worldTime >= totalAnimationTime))) {
currentFrame++;
nextFrame++;
if(nextFrame >= times.length) {
nextFrame = 0;
}
if(currentFrame >= times.length) {
currentFrame = 0;
worldTime = 0;
}
repaint();
}
}
public LWUITImageRenderer(com.sun.lwuit.Image image) {
this.image = image;
if(image instanceof StaticAnimation) {
StaticAnimation anim = (StaticAnimation)image;
buffer = new BufferedImage[anim.getFrameCount()];
times = new int[buffer.length];
totalAnimationTime = anim.getTotalAnimationTime();
for(int iter = 0 ; iter < buffer.length ; iter++) {
buffer[iter] = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB);
buffer[iter].setRGB(0, 0, image.getWidth(), image.getHeight(), anim.getFrameRGB(iter), 0, image.getWidth());
times[iter] = anim.getFrameTime(iter);
}
allAnimations.add(new WeakReference<LWUITImageRenderer>(this));
} else {
buffer = new BufferedImage[] {new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_ARGB)};
buffer[0].setRGB(0, 0, image.getWidth(), image.getHeight(), image.getRGB(), 0, image.getWidth());
if(image instanceof Timeline) {
totalAnimationTime = ((Timeline)image).getDuration();
allAnimations.add(new WeakReference<LWUITImageRenderer>(this));
}
}
setPreferredSize(new Dimension(image.getWidth(), image.getHeight()));
}
/**
* Used to map the timeline component to the animation object list
*/
public void setAnimationObjectList(JTable animationObjectList, TimelineEditor editor) {
if(this.animationObjectList == null) {
addMouseListener(this);
addMouseMotionListener(this);
}
this.animationObjectList = animationObjectList;
this.editor = editor;
}
public void scale(double zoom) {
this.zoom = zoom;
repaint();
}
@Override
public void paintComponent(Graphics g) {
g.setColor(new Color(CheckerBoardColorCalibration.getColorA()));
g.fillRect(0, 0, getWidth(), getHeight());
g.setColor(new Color(CheckerBoardColorCalibration.getColorB()));
int width = getWidth();
int height = getHeight();
for (int x = 0; x < width; x += 8) {
if (x % 16 == 0) {
for (int y = 0; y < height; y += 16) {
g.fillRect(x, y, 8, 8);
}
} else {
for (int y = 8; y < height; y += 16) {
g.fillRect(x, y, 8, 8);
}
}
}
if(drawBorder) {
g.setColor(Color.BLACK);
g.drawRect(0, 0, image.getWidth() + 1, image.getHeight() + 1);
}
if(zoom != 1) {
((Graphics2D)g).scale(zoom, zoom);
}
if(animationObjectList != null) {
if(((Timeline)image).isPause()) {
int selectedRow = animationObjectList.getSelectedRow();
AnimationObject sel = null;
if(selectedRow > -1) {
sel = ((TimelineEditor.AnimationObjectTableModel)animationObjectList.getModel()).getElementAt(selectedRow);
}
if(dragging != null) {
if(draggingImage == null) {
draggingImage = new BufferedImage(AnimationAccessor.getWidthInt(dragging),
AnimationAccessor.getHeightInt(dragging), BufferedImage.TYPE_INT_ARGB);
draggingImage.setRGB(0, 0, draggingImage.getWidth(), draggingImage.getHeight(),
AnimationAccessor.getImageMethod(dragging).modifyAlpha((byte)110).getRGB(), 0, draggingImage.getWidth());
}
} else {
draggingImage = null;
}
if(sel != null) {
Graphics2D g2d = (Graphics2D)g.create();
g2d.drawImage(buffer[currentFrame], 0, 0, this);
g2d.setColor(Color.BLUE);
g2d.setStroke(new BasicStroke(3, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
g2d.drawRect(AnimationAccessor.getX(sel), AnimationAccessor.getY(sel),
AnimationAccessor.getWidthInt(sel), AnimationAccessor.getHeightInt(sel));
if(draggingImage != null) {
g2d.drawImage(draggingImage, dragX, dragY, null);
}
g2d.dispose();
return;
}
}
}
g.drawImage(buffer[currentFrame], 0, 0, this);
if(draggingImage != null) {
g.drawImage(draggingImage, dragX, dragY, null);
}
}
public static LWUITImageRenderer create(File file) throws IOException {
InputStream i = new FileInputStream(file);
LWUITImageRenderer r = new LWUITImageRenderer(com.sun.lwuit.EncodedImage.create(i));
i.close();
return r;
}
public com.sun.lwuit.Image getImage() {
return image;
}
public void mouseClicked(MouseEvent e) {
Timeline t = (Timeline)image;
AnimationObject selection = t.getAnimationAt(e.getX(), e.getY());
// editing
if(selection == null) {
animationObjectList.clearSelection();
} else {
if(e.getClickCount() == 2) {
selectValue(selection);
MouseListener[] ls = animationObjectList.getListeners(MouseListener.class);
for(MouseListener l : ls) {
l.mouseClicked(e);
}
} else {
// selection
selectValue(selection);
}
}
repaint();
}
private void selectValue(AnimationObject selection) {
int row = ((TimelineEditor.AnimationObjectTableModel)animationObjectList.getModel()).indexOf(selection);
animationObjectList.getSelectionModel().setSelectionInterval(row, row);
}
public void mousePressed(MouseEvent e) {
}
public void mouseReleased(MouseEvent e) {
Timeline t = (Timeline)image;
if(dragging != null && t.isPause()) {
// if this is a right mouse button update the source position
editor.updatePosition(e.getX(), e.getY(), dragging, SwingUtilities.isRightMouseButton(e));
dragging = null;
}
repaint();
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
public void mouseDragged(MouseEvent e) {
Timeline t = (Timeline)image;
if(t.isPause()) {
if(dragging == null) {
dragging = t.getAnimationAt(e.getX(), e.getY());
if(dragging == null) {
return;
}
}
dragX = e.getX();
dragY = e.getY();
repaint();
}
}
public void mouseMoved(MouseEvent e) {
}
/**
* @return the drawBorder
*/
public boolean isDrawBorder() {
return drawBorder;
}
/**
* @param drawBorder the drawBorder to set
*/
public void setDrawBorder(boolean drawBorder) {
this.drawBorder = drawBorder;
}
}