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JCanvas.java
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JCanvas.java
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//package dk.ruc.madsr.swing;
//----------------------------------------------------------------------
// This class is written by Mads Rosendahl, University of Roskilde, Denmark
// You may uncomment the first line, but otherwise, please do not change the code.
// If you find errors or have any suggestions contact me at madsr@ruc.dk
//
// version 1.4 : 04-02-00
//----------------------------------------------------------------
import java.awt.*;
import java.awt.geom.*;
import java.awt.font.*;
import java.awt.image.renderable.*;
import java.io.*;
import java.net.URL;
import java.util.*;
import java.text.*;
import java.awt.event.*;
import java.awt.image.*;
import java.awt.print.*;
import java.util.regex.*;
import javax.swing.event.*;
import javax.swing.border.*;
import java.util.List;
import java.util.Arrays;
import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.text.*;
import javax.swing.table.*;
import javax.swing.Timer;
import java.lang.reflect.*;
import javax.sound.sampled.*;
//--------------------------------------------------------------------------
//
/** JCanvas: JComponent that acts as a Graphics object */
//
//
public class JCanvas extends JComponent implements Printable
{
// I'm using constants rather than enum to avoid too many class files.
static final int addRenderingHints=1, clip1=2, draw1=3, draw3DRect=4,
drawGlyphVector=5, drawImage1=6, drawImage2=7, drawRenderableImage=8,
drawRenderedImage=9, drawString1=10, drawString2=11, drawString3=12,
drawString4=13, fill=14, fill3DRect=15, rotate1=16, rotate2=17, scale1=18,
setBackground=19, setComposite=20, setPaint=21, setRenderingHint=22,
setRenderingHints=23, setStroke=24, setTransform=25, shear=26, transform1=27,
translate1=28, translate2=29, clearRect=30,
//clipRect=31,
copyArea=32, drawArc=33, drawBytes=34, drawChars=35, drawImage4=36,
drawImage5=37, drawImage6=38, drawImage7=39, drawImage8=40, drawImage9=41,
drawLine=42, drawOval=43, drawPolygon1=44, drawPolygon2=45, drawPolyline=46,
drawRect=47, drawRoundRect=48, fillArc=49, fillOval=50, fillPolygon1=51,
fillPolygon2=52, fillRect=53, fillRoundRect=54, setColor=57, setFont=58,
setPaintMode=59, setClip1=55,// setClip2=56,
setXORMode=60, clear=61,opaque=62,drawOutline=63;
/** Create a JCanvas object */
public JCanvas(){ setFocusable(true); }
//--------------------------------
//
// access functions
// functions from Graphics and Graphics2D
//
/** [Advanced] */
public void addRenderingHints(Map<?,?> hints) {toBuffer(addRenderingHints,hints );}
/** set clipping shape */
public void clip(Shape s) {toBuffer(clip1,s );}
/** draw a shape */
public void draw(Shape s) {toBuffer(draw1, s );}
/** draw a 3D rectangle */
public void draw3DRect(int x, int y, int width, int height, boolean raised) {
toBuffer(draw3DRect,mkArg(x, y, width, height, raised) );}
/** [Advanced] */
public void drawGlyphVector(GlyphVector g, float x, float y) {
toBuffer(drawGlyphVector,mkArg(g, x, y) );}
/** [Advanced] */
public void drawImage(BufferedImage img, BufferedImageOp op, int x, int y) {
toBuffer(drawImage1,mkArg(img, op,x, y) );}
/** [Advanced] */
public boolean drawImage(Image img, AffineTransform xform, ImageObserver obs) {
toBuffer(drawImage2,mkArg(img, xform, obs) );return true;}
/** [Advanced] */
public void drawRenderableImage(RenderableImage img, AffineTransform xform) {
toBuffer(drawRenderableImage,mkArg(img, xform) );}
/** [Advanced] */
public void drawRenderedImage(RenderedImage img, AffineTransform xform) {
toBuffer(drawRenderedImage,mkArg(img, xform) );}
/** [Advanced] */
public void drawString(AttributedCharacterIterator iterator, float x, float y) {
toBuffer(drawString1,mkArg(iterator, x, y) );}
/** [Advanced] */
public void drawString(AttributedCharacterIterator iterator, int x, int y) {
toBuffer(drawString2,mkArg(iterator, x, y) );}
/** draw a string */
public void drawString(String s, float x, float y) {
toBuffer(drawString3,mkArg(s, x, y) );}
/** draw a string */
public void drawString(String str, int x, int y) {
toBuffer(drawString4,mkArg(str, x, y) );}
/** draw the outline of characters in a string */
public void drawOutline(String str, int x, int y) {
toBuffer(drawOutline,mkArg(str, x, y) );}
/** fill a shape */
public void fill(Shape s) {toBuffer(fill, s );}
/** fill a 3D rectangle */
public void fill3DRect(int x, int y, int width, int height, boolean raised) {
toBuffer(fill3DRect,mkArg(x, y, width, height, raised) );}
/** return current background color */
public Color getBackground() { return bufferBackground();}
/** return current composite description */
public Composite getComposite() { return bufferComposite();}
/** [Advanced] */
public GraphicsConfiguration getDeviceConfiguration() {
Graphics2D g=getG();return g==null?null:g.getDeviceConfiguration();}
/** [Advanced] */
public FontRenderContext getFontRenderContext() {
Graphics2D g=getG();return g==null?null:g.getFontRenderContext();}
/** return current <code>Paint</code> object */
public Paint getPaint() { return bufferPaint();}
/** [Advanced] */
public Object getRenderingHint(RenderingHints.Key hintKey) {
Graphics2D g=getG();return g==null?null:g.getRenderingHint(hintKey); }
/** [Advanced] */
public RenderingHints getRenderingHints() {
Graphics2D g=getG();return g==null?null:g.getRenderingHints();}
public Stroke getStroke() { return bufferStroke();}
public AffineTransform getTransform() { return bufferTransform();}
public boolean hit(Rectangle rect, Shape s, boolean onStroke) {
Graphics2D g=getG();return g==null?false:g.hit(rect, s, onStroke );}
public void rotate(double theta) {toBuffer(rotate1, theta);}
public void rotate(double theta, double x, double y) {
toBuffer(rotate2,mkArg( theta, x, y));}
public void scale(double sx, double sy) {toBuffer(scale1,mkArg( sx, sy) );}
public void setBackground(Color color) {toBuffer(setBackground, color );toBuffer(clear,null );}
public void setComposite(Composite comp) {toBuffer(setComposite, comp);}
public void setPaint(Paint paint) {toBuffer(setPaint, paint );}
/** [Advanced] */
public void setRenderingHint(RenderingHints.Key hintKey, Object hintValue) {
toBuffer(setRenderingHint,mkArg( hintKey, hintValue) );}
/** [Advanced] */
public void setRenderingHints(Map<?,?> hints) {toBuffer(setRenderingHints, hints );}
public void setStroke(Stroke s) {toBuffer(setStroke, s );}
public void setTransform(AffineTransform Tx) {toBuffer(setTransform, Tx );}
public void shear(double shx, double shy) {toBuffer(shear,mkArg( shx, shy) );}
public void transform(AffineTransform Tx) {toBuffer(transform1, Tx );}
public void translate(double tx, double ty) {toBuffer(translate1,mkArg( tx, ty) );}
public void translate(int x, int y) {toBuffer(translate2,mkArg( x, y) );}
public void clearRect(int x, int y, int width, int height) {
toBuffer(clearRect,mkArg(x, y, width, height) );}
public void clipRect(int x, int y, int width, int height) {
clip(new Rectangle(x,y,width,height));}
//toBuffer(clipRect,mkArg(x, y, width, height) );}
public void copyArea(int x, int y, int width, int height, int dx, int dy) {
toBuffer(copyArea,mkArg(x, y, width, height, dx, dy) );}
/** [Advanced] */
public Graphics create() { Graphics2D g=getG();return g==null?null:g.create();}
/** [Advanced] */
public Graphics create(int x, int y, int width, int height) {
Graphics2D g=getG();return g==null?null:g.create(x, y, width, height);}
/** [Advanced] */
public void dispose() {Graphics2D g=getG();if(g!=null)g.dispose();}
//public void draw3DRect(int x, int y, int width, int height, boolean raised) {
// toBuffer(draw3DRect,mkArg(x, y, width, height, raised) );}
public void drawArc(int x, int y, int width, int height,
int startAngle, int arcAngle) {
toBuffer(drawArc,mkArg(x, y, width, height, startAngle, arcAngle) );}
public void drawBytes(byte[] data, int offset, int length, int x, int y) {
toBuffer(drawBytes,mkArg( data, offset, length, x, y) );}
/** [Advanced] */
public void drawChars(char[] data, int offset, int length, int x, int y) {
toBuffer(drawChars,mkArg(data, offset, length, x, y) );}
public boolean drawImage(Image img, int x, int y, Color bgcolor,
ImageObserver observer) {
toBuffer(drawImage4,mkArg(img, x, y, bgcolor, observer) );return true;}
public boolean drawImage(Image img, int x, int y, ImageObserver observer) {
toBuffer(drawImage5,mkArg(img, x, y, observer) );return true;}
public boolean drawImage(Image img, int x, int y, int width, int height,
Color bgcolor, ImageObserver observer) {
toBuffer(drawImage6,mkArg(img, x, y, width, height, bgcolor, observer) );
return true;}
public boolean drawImage(Image img, int x, int y, int width, int height,
ImageObserver observer) {
toBuffer(drawImage7,mkArg(img, x, y, width, height, observer) );return true;}
/** [Advanced] */
public boolean drawImage(Image img, int dx1, int dy1, int dx2, int dy2, int sx1,
int sy1, int sx2, int sy2, Color bgcolor, ImageObserver observer) {
toBuffer(drawImage8,mkArg(img, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2,
bgcolor, observer) );
return true;}
/** [Advanced] */
public boolean drawImage(Image img, int dx1, int dy1, int dx2, int dy2, int sx1,
int sy1, int sx2, int sy2, ImageObserver observer) {
toBuffer(drawImage9,mkArg(img, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, observer) );
return true;}
public void drawLine(int x1, int y1, int x2, int y2) {
toBuffer(drawLine,mkArg(x1, y1, x2,y2) );}
public void drawOval(int x, int y, int width, int height) {
toBuffer(drawOval,mkArg(x, y, width, height) );}
public void drawPolygon(int[] xPoints, int[] yPoints, int nPoints) {
toBuffer(drawPolygon1,mkArg(xPoints, yPoints, nPoints) );}
public void drawPolygon(Polygon p) {toBuffer(drawPolygon2,p );}
public void drawPolyline(int[] xPoints, int[] yPoints, int nPoints) {
toBuffer(drawPolyline,mkArg( xPoints, yPoints, nPoints) );}
public void drawRect(int x, int y, int width, int height) {
toBuffer(drawRect,mkArg( x, y, width, height) );}
public void drawRoundRect(int x, int y, int width, int height, int arcWidth,
int arcHeight) {
toBuffer(drawRoundRect,mkArg( x, y, width, height, arcWidth, arcHeight) );}
//public void drawString(AttributedCharacterIterator iterator, int x, int y) {
// toBuffer(drawString,mkArg(iterator, x, y) );}
//public void drawString(String str, int x, int y) {
// toBuffer(drawString,mkArg(str, x, y) );}
//public void fill3DRect(int x, int y, int width, int height, boolean raised) {
// toBuffer(fill3DRect,mkArg(x, y, width, height, raised) );}
public void fillArc(int x, int y, int width, int height,
int startAngle, int arcAngle) {
toBuffer(fillArc,mkArg(x, y, width, height, startAngle, arcAngle) );}
public void fillOval(int x, int y, int width, int height) {
toBuffer(fillOval,mkArg(x, y, width, height) );}
public void fillPolygon(int[] xPoints, int[] yPoints, int nPoints) {
toBuffer(fillPolygon1,mkArg(xPoints, yPoints, nPoints) );}
public void fillPolygon(Polygon p) {toBuffer(fillPolygon2, p );}
public void fillRect(int x, int y, int width, int height) {
toBuffer(fillRect,mkArg(x, y, width, height) );}
public void fillRoundRect(int x, int y, int width, int height, int arcWidth,
int arcHeight) {
toBuffer(fillRoundRect,mkArg(x, y, width, height, arcWidth, arcHeight) );}
/** [Advanced] */
public void finalize() throws Throwable{ super.finalize();}
public Shape getClip() {
return bufferClip();}
//Graphics2D g=getG();return g==null?null:g.getClip();}
public Rectangle getClipBounds() {
Shape s= bufferClip();return s==null?null:s.getBounds();}
//Graphics2D g=getG();return g==null?null:g.getClipBounds();}
public Rectangle getClipBounds(Rectangle r) {
Shape s= bufferClip();if(s==null)return null;
r.setBounds(bufferClip().getBounds());return r;}
//Graphics2D g=getG();return g==null?null:g.getClipBounds(r);}
// deprecated public Rectangle getClipRect() { return getG().getClipRect();}
public Color getColor(){
Paint p=getPaint();
if(p!=null&&p instanceof Color) return (Color) p;return null;}
//Graphics2D g=getG();return g==null?null:g.getColor();}
public Font getFont() {
return bufferFont();}
//Font f=(Font)lookBuffer(setFont);if(f==null)return super.getFont();return f;}
public FontMetrics getFontMetrics() {return getFontMetrics(getFont());}
public FontMetrics getFontMetrics(Font f) {
if(getG()==null)return super.getFontMetrics(f);
else return getG().getFontMetrics(f);}
public boolean hitClip(int x, int y, int width, int height) {
Graphics2D g=getG();return g==null?false:g.hitClip(x, y, width, height);}
public void setClip(int x, int y, int width, int height) {
setClip(new Rectangle(x,y,width,height));}
//toBuffer(setClip1,mkArg(x, y, width, height) );}
public void setClip(Shape clip) {
if(clip==null)clip=new Rectangle(-1000000,-1000000,2000000,2000000);
toBuffer(setClip1,clip );}
public void setColor(Color c) { setPaint(c);}//toBuffer(setColor,c );}
public void setFont(Font font) {super.setFont(font);toBuffer(setFont,font );}
public void setPaintMode() {toBuffer(setPaintMode,null );}
public void setXORMode(Color c1) {toBuffer(setXORMode,c1 );}
public String toString() {return super.toString();}
//public void translate(int x, int y) {toBuffer("translate",mkArg(x, y) );}
public void clear() {toBuffer(clear,null );}
public void setOpaque(boolean b) {toBuffer(opaque,b );}
//---------------------------------------------------------
// state changes
//
private Boolean theOpaque=null;
private Color theBackground=null;
//private Paint thePaint=null;
//private Font theFont=null;
//private Stroke theStroke=null;
//private Boolean origOpaque=null;
//private Color origBackground=null;
private static Paint origPaint=Color.BLACK;
private static Font origFont=new Font("Dialog",Font.PLAIN,12);
private static Stroke origStroke=new BasicStroke(1);
// also clip, transform, composite,
//public boolean isOpaque(){return false;}//theOpaque!=null&&theOpaque;}
//---------------------------------------------------------
private void doPaint(Graphics2D g,int s,Object o){
// process an operation from the buffer
//System.out.println(s);
Object o1=null,o2=null,o3=null,o4=null,o5=null,o6=null,o7=null,o8=null,
o9=null,o10=null,o11=null;
if(o instanceof Object[]){
Object[] a= (Object[])o;
if(a.length>0)o1=a[0];
if(a.length>1)o2=a[1];
if(a.length>2)o3=a[2];
if(a.length>3)o4=a[3];
if(a.length>4)o5=a[4];
if(a.length>5)o6=a[5];
if(a.length>6)o7=a[6];
if(a.length>7)o8=a[7];
if(a.length>8)o9=a[8];
if(a.length>9)o10=a[9];
if(a.length>10)o11=a[10];
}
switch(s){
case clear: paintBackground(g,theBackground);
break;
//public void addRenderingHints(Map<?,?> hints)
//{toBuffer("addRenderingHints",hints );}
case addRenderingHints: g.addRenderingHints((Map<?,?>) o);break;
case clip1: g.clip((Shape) o) ;break;
case draw1: g.draw((Shape) o) ;break;
case draw3DRect: g.draw3DRect((Integer)o1, (Integer)o2, (Integer)o3,
(Integer)o4, (Boolean)o5) ;break;
case drawGlyphVector:
g.drawGlyphVector((GlyphVector)o1, (Float)o2, (Float)o3) ;break;
case drawImage1:
g.drawImage((BufferedImage)o1, (BufferedImageOp)o2, (Integer)o3, (Integer)o4) ;
break;
case drawImage2:
g.drawImage((Image)o1, (AffineTransform)o2, (ImageObserver)o3) ;break;
case drawRenderableImage:
g.drawRenderableImage((RenderableImage)o1, (AffineTransform)o2) ;break;
case drawRenderedImage:
g.drawRenderedImage((RenderedImage)o1, (AffineTransform)o2) ;break;
case drawString1:
g.drawString((AttributedCharacterIterator)o1, (Float)o2, (Float)o3) ;break;
case drawString2:
g.drawString((AttributedCharacterIterator)o1, (Integer)o2, (Integer)o3) ;break;
case drawString3: g.drawString((String)o1, (Float)o2, (Float)o3) ;break;
case drawString4: g.drawString((String)o1, (Integer)o2, (Integer)o3) ;break;
case fill: g.fill((Shape)o) ;break;
case fill3DRect:
g.fill3DRect((Integer)o1, (Integer)o2, (Integer)o3, (Integer)o4, (Boolean)o5) ;
break;
case rotate1: g.rotate((Double)o) ;break;
case rotate2: g.rotate((Double)o1, (Double)o2, (Double)o3) ;break;
case scale1: g.scale((Double)o1, (Double)o2) ;break;
case setBackground:
g.setBackground((Color)o) ; //paintBackground(g,(Color)o); /*super.setBackground((Color)o) ;*/
break;
case setComposite: g.setComposite((Composite)o) ;break;
case setPaint: g.setPaint((Paint)o) ;break;
case setRenderingHint: g.setRenderingHint((RenderingHints.Key)o1, o2) ;break;
case setRenderingHints: g.setRenderingHints((Map<?,?>)o) ;break;
case setStroke: g.setStroke((Stroke)o) ;break;
case setTransform: g.setTransform(makeTransform(o)) ;break;
case shear: g.shear((Double)o1, (Double)o2) ;break;
case transform1: g.transform(makeTransform(o)) ;break;
case translate1: g.translate((Double)o1, (Double)o2) ;break;
case translate2: g.translate((Integer)o1, (Integer)o2) ;break;
case clearRect:
g.clearRect((Integer)o1, (Integer)o2, (Integer)o3, (Integer)o4) ;
break;
case copyArea:
g.copyArea((Integer)o1, (Integer)o2, (Integer)o3, (Integer)o4,
(Integer)o5, (Integer)o6) ;break;
case drawArc: g.drawArc((Integer)o1, (Integer)o2, (Integer)o3, (Integer)o4,
(Integer)o5, (Integer)o6) ;break;
case drawBytes: g.drawBytes((byte[])o1, (Integer)o2, (Integer)o3, (Integer)o4,
(Integer)o5) ;break;
case drawChars: g.drawChars((char[])o1, (Integer)o2, (Integer)o3, (Integer)o4,
(Integer)o5) ;break;
case drawImage4: g.drawImage((Image)o1, (Integer)o2, (Integer)o3, (Color)o4,
(ImageObserver)o5) ;break;
case drawImage5: g.drawImage((Image)o1, (Integer)o2, (Integer)o3,
(ImageObserver)o4) ;break;
case drawImage6: g.drawImage((Image)o1, (Integer)o2, (Integer)o3,
(Integer)o4, (Integer)o5, (Color)o6, (ImageObserver)o7) ;break;
case drawImage7: g.drawImage((Image)o1, (Integer)o2, (Integer)o3, (Integer)o4,
(Integer)o5, (ImageObserver)o6) ;break;
case drawImage8: g.drawImage((Image)o1, (Integer)o2, (Integer)o3, (Integer)o4,
(Integer)o5, (Integer)o6, (Integer)o7, (Integer)o8, (Integer)o9, (Color)o10,
(ImageObserver)o11) ;break;
case drawImage9: g.drawImage((Image)o1, (Integer)o2, (Integer)o3, (Integer)o4,
(Integer)o5, (Integer)o6, (Integer)o7, (Integer)o8, (Integer)o9,
(ImageObserver)o10) ;break;
case drawLine:
g.drawLine((Integer)o1 , (Integer)o2, (Integer)o3, (Integer)o4) ;break;
case drawOval:
g.drawOval((Integer)o1, (Integer)o2, (Integer)o3, (Integer)o4) ;break;
case drawPolygon1:
g.drawPolygon((int[])o1, (int[])o2, (Integer)o3) ;break;
case drawPolygon2: g.drawPolygon((Polygon)o) ;break;
case drawPolyline: g.drawPolyline((int[])o1, (int[])o2, (Integer)o3) ;break;
case drawRect:
g.drawRect((Integer)o1, (Integer)o2, (Integer)o3, (Integer)o4) ;break;
case drawRoundRect:
g.drawRoundRect((Integer)o1, (Integer)o2, (Integer)o3, (Integer)o4, (Integer)o5,
(Integer)o6) ;break;
case fillArc: g.fillArc((Integer)o1, (Integer)o2, (Integer)o3, (Integer)o4,
(Integer)o5, (Integer)o6) ;break;
case fillOval:
g.fillOval((Integer)o1, (Integer)o2, (Integer)o3, (Integer)o4) ;break;
//{toBuffer("fillPolygon",mkArg(xPoints, yPoints, nPoints) );}
case fillPolygon1: g.fillPolygon((int[])o1, (int[])o2, (Integer)o3) ;break;
case fillPolygon2: g.fillPolygon((Polygon)o) ;break;
case fillRect:
g.fillRect((Integer)o1, (Integer)o2, (Integer)o3, (Integer)o4) ;break;
case fillRoundRect: g.fillRoundRect((Integer)o1, (Integer)o2, (Integer)o3,
(Integer)o4, (Integer)o5, (Integer)o6) ;break;
case setClip1: g.setClip((Shape) o) ;break;
case setColor: g.setColor((Color)o) ;break;
case setFont: g.setFont((Font)o) ;break;
case setPaintMode: g.setPaintMode() ;break;
case setXORMode: g.setXORMode((Color)o) ;break;
case opaque: super.setOpaque((Boolean)o) ; break;
case drawOutline: //g.drawString((String)o1, (Integer)o2, (Integer)o3) ;break;
{ FontRenderContext frc = g.getFontRenderContext();
TextLayout tl = new TextLayout((String)o1, g.getFont(), frc);
Shape s1= tl.getOutline(null);
AffineTransform af=g.getTransform();
g.translate((Integer)o2, (Integer)o3);
g.draw(s1);
g.setTransform(af);
}; break;
default:
System.out.println("Unknown image operation "+s);
}
}
//---------------------------------------------------------
private Object mkArg(Object... args){return args;}
private synchronized void toBuffer(int s,Object a){
a1.add(s);a2.add(a);
if(s==clear){clearBuffer();}
if(s==opaque) theOpaque=(Boolean) a;
if(s==setBackground)theBackground=(Color) a;
if(inBuffer)return;
if(isSetter(s))return;
Graphics g=getGraphics();
if(g==null)return;
Graphics2D g2= (Graphics2D) g;
g2.setPaint(origPaint);
g2.setFont(origFont);
g2.setStroke(origStroke);
for(int i=0;i<a1.size()-1;i++){
int s1=a1.get(i);Object s2=a2.get(i);
if(isSetter(s1))doPaint(g2,s1,s2);
}
doPaint((Graphics2D)g,s,a);
}
private Graphics2D getG(){return (Graphics2D)getGraphics();}
//---------------------------------------------------------
private List<Integer> a1 =new ArrayList<Integer>();
private List<Object> a2 =new ArrayList<Object>();
private List<Integer> a1x=new ArrayList<Integer>();
private List<Object> a2x=new ArrayList<Object>();
private boolean inBuffer=false;
/** Start double-buffering */
public synchronized void startBuffer(){
inBuffer=true;
a1x.clear();a2x.clear();
List<Integer> h1=a1x;
List<Object> h2=a2x;
a1x=a1; a2x=a2;
a1=h1;a2=h2;
}
/** End double-buffering */
public synchronized void endBuffer(){
inBuffer=false;
a1x.clear();a2x.clear();
repaint();
}
private synchronized void clearBuffer(){
Font f = bufferFont();
Paint p = bufferPaint();
Stroke s = bufferStroke();
a1.clear();a2.clear();
if(f!=origFont){a1.add(setFont);a2.add(f);}
if(p!=origPaint){a1.add(setPaint);a2.add(p);}
if(s!=origStroke){a1.add(setStroke);a2.add(s);}
a1.add(clear);a2.add(null);
}
private synchronized void doBuffer(Graphics2D g2,boolean opq,Rectangle rt){
origTransform=g2.getTransform();
if(opq&&rt!=null)g2.clearRect(rt.x,rt.y,rt.width,rt.height);
g2.setPaint(origPaint);
g2.setFont(origFont);
g2.setStroke(origStroke);
if(inBuffer){//System.out.println("upps");
for(int i=0;i<a1x.size();i++) doPaint(g2,a1x.get(i),a2x.get(i));
origTransform=null;
return;
}
for(int i=0;i<a1.size();i++) doPaint(g2,a1.get(i),a2.get(i));
origTransform=null;
}
private synchronized Object lookBuffer(int s){
for(int i=a1.size()-1;i>=0;i--){
if(a1.get(i)==s)return a2.get(i);
}
return null;
}
//---------------------------------------------------------
//
//
private AffineTransform origTransform=null;
private double printScale=1;
/** [Internal] */
public void paintComponent(Graphics g){
boolean opq=true;if(theOpaque!=null)opq=theOpaque;
super.setOpaque(opq);
//if(theBackground!=null)super.setBackground(theBackground);
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g;
Rectangle rt=getBounds();rt.x=0;rt.y=0;
doBuffer(g2,opq,rt);
chkFPS();
}
/** print the canvas */
public void print(){print(1.0);}
/** print the canvas scaled with factor <code>scale</code> */
public void print(double scale){
printScale=scale;
PrinterJob printJob = PrinterJob.getPrinterJob();
printJob.setPrintable(this);
if (printJob.printDialog()) {
try {
printJob.print();
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
/** [Internal] */
private void paintBackground(Graphics2D g2,Color theBackground){
Color color1=g2.getColor();
if(theBackground==null)theBackground=Color.white;
g2.setColor(theBackground);
g2.fillRect(0,0,30000,30000);
g2.setColor(color1);
}
/** [Internal] */
public int print(Graphics g, PageFormat pf, int pi)
throws PrinterException {
if (pi >= 1) {
return Printable.NO_SUCH_PAGE;
}
RepaintManager currentManager = RepaintManager.currentManager(this);
currentManager.setDoubleBufferingEnabled(false);
Graphics2D g2=(Graphics2D) g;
initState(g2,true);
g2.translate((int)(pf.getImageableX()+1), (int)(pf.getImageableY()+1));
g2.scale(printScale,printScale);
doBuffer(g2,true,null);
currentManager.setDoubleBufferingEnabled(true);
return Printable.PAGE_EXISTS;
}
/** paint the canvas into a image file of given width and height*/
public void writeToImage(String s,int w,int h){
String ext;File f;
try{
ext=s.substring(s.lastIndexOf(".")+1);
f=new File(s);
}catch(Exception e){System.out.println(e);return;}
if(!ext.equals("jpg")&&!ext.equals("png")){
System.out.println("Cannot write to file: Illegal extension "+ext);
return;
}
boolean opq=true;if(theOpaque!=null)opq=theOpaque;
BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
g2.setBackground(Color.white);
g2.setPaint(Color.black);
g2.setStroke(new BasicStroke(1));
g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BICUBIC);
doBuffer(g2,true,new Rectangle(0,0,w,h));
try{ ImageIO.write(image,ext,f); }catch(Exception e){System.out.println(e);}
}
private void initState(Graphics2D g2,boolean opq){ }
//---------------------------------------------------------
// operations that change state but do not draw anything
private static int[] setOp={
addRenderingHints, clip1,
rotate1, rotate2, scale1, setBackground, setComposite,
setPaint, setRenderingHint, setRenderingHints, setStroke, setTransform,
shear, transform1, translate1, translate2, //clipRect,
copyArea, setColor, setFont, setPaintMode, setClip1, // setClip2,
setXORMode
};
private boolean isSetter(int s){
for(int s1:setOp)if(s==s1)return true;
return false;
}
//---------------------------------------------------------
/** [Internal] */
public synchronized void dumpBuffer(){
System.out.println("Opaque "+theOpaque);
//System.out.println("Font "+obj2str(theFont));
//System.out.println("Paint "+obj2str(thePaint));
System.out.println("Background "+obj2str(theBackground));
//System.out.println("Stroke "+obj2str(theStroke));
for(int i=0;i< a1.size();i++){
String s1=totxt(a1.get(i));
String s2=obj2str(a2.get(i));
System.out.println(i+" "+s1+" "+s2);
}
}
/** [Internal] */
public String obj2str(Object o){
if(o==null)return "-null-";
String s="";
if(o instanceof Object[]){
Object[] a= (Object[]) o;
for(Object ox:a)s=s+" "+ox;
}else if(o instanceof BasicStroke){
BasicStroke o1=(BasicStroke) o;
s="BasicStroke("+o1.getLineWidth()+","+o1.getDashPhase()+","+o1.getLineJoin()+
","+o1.getMiterLimit()+","+o1.getEndCap();
}else s=""+o;
return s;
}
private String totxt(int i){
switch(i){
case 1: return "addRenderingHints"; case 2: return "clip1";
case 3: return "draw1"; case 4: return "draw3DRect";
case 5: return "drawGlyphVector";
case 6: return "drawImage1"; case 7: return "drawImage2";
case 8: return "drawRenderableImage";
case 9: return "drawRenderedImage"; case 10: return "drawString1";
case 11: return "drawString2";
case 12: return "drawString3"; case 13: return "drawString4";
case 14: return "fill"; case 15: return "fill3DRect"; case 16: return "rotate1";
case 17: return "rotate2"; case 18: return "scale1";
case 19: return "setBackground";
case 20: return "setComposite";
case 21: return "setPaint"; case 22: return "setRenderingHint";
case 23: return "setRenderingHints";
case 24: return "setStroke"; case 25: return "setTransform";
case 26: return "shear"; case 27: return "transform1";
case 28: return "translate1";
case 29: return "translate2"; case 30: return "clearRect";
//clipRect=31,
case 32: return "copyArea"; case 33: return "drawArc";
case 34: return "drawBytes";
case 35: return "drawChars"; case 36: return "drawImage4";
case 37: return "drawImage5";
case 38: return "drawImage6"; case 39: return "drawImage7";
case 40: return "drawImage8";
case 41: return "drawImage9"; case 42: return "drawLine";
case 43: return "drawOval";
case 44: return "drawPolygon1"; case 45: return "drawPolygon2";
case 46: return "drawPolyline";
case 47: return "drawRect"; case 48: return "drawRoundRect";
case 49: return "fillArc"; case 50: return "fillOval";
case 51: return "fillPolygon1";
case 52: return "fillPolygon2"; case 53: return "fillRect";
case 54: return "fillRoundRect"; case 57: return "setColor";
case 55: return "setClip";
case 58: return "setFont";
case 59: return "setPaintMode";
//setClip1=55, setClip2=56,
case 60: return "setXORMode"; case 61: return "clear";
case 62: return "clear"; case 63: return "drawOutline";
default: return "unknown: "+i;
}
}
//---------------------------------------------------------
private int fpsCount=0; private long fpsTime=0; private int lastFPS=10;
private void chkFPS(){
if(fpsCount==0){
fpsTime=System.currentTimeMillis()/1000;
fpsCount++;
return;
}
fpsCount++;
long time=System.currentTimeMillis()/1000;
if(time!=fpsTime){
lastFPS=fpsCount;
fpsCount=1;
fpsTime=time;
}
}
/** Compute the number of frames displayed per second */
public int getFPS(){return lastFPS;}
//---------------------------------------------------------
private Shape bufferClip(){
Object s=lookBuffer(clip1);
if(s instanceof Shape) return (Shape) s;
return null;
}
//---------------------------------------------------------
private synchronized AffineTransform bufferTransform(){
AffineTransform r=new AffineTransform();
for(int i=0;i<a1.size();i++){
int s1=a1.get(i);Object s2=a2.get(i);Object s3[]=null;
if(s2 instanceof Object[])s3=(Object[])s2;
if(s1==setTransform){r=makeTransform(s2); }
if(s1==shear)r.shear((Double)s3[0],(Double)s3[1]);
if(s1==rotate1)r.rotate((Double)s2);
if(s1==rotate2)r.rotate((Double)s3[0],(Double)s3[1],(Double)s3[2]);
if(s1==scale1)r.scale((Double)s3[0],(Double)s3[1]);
if(s1==translate1)r.translate((Double)s3[0],(Double)s3[1]);
if(s1==translate2)r.translate((Integer)s3[0],(Integer)s3[1]);
}
return r;
}
private AffineTransform makeTransform(Object o){
AffineTransform r= (AffineTransform)((AffineTransform)o).clone();
//System.out.println("r:"+r);
if(origTransform!=null){
AffineTransform r2= (AffineTransform)origTransform.clone();
//System.out.println("r2:"+r2);
r2.concatenate(r);
r=r2;
}
return r;
}
private Composite bufferComposite(){
Composite c=(Composite)lookBuffer(setComposite);
if(c==null) return AlphaComposite.SrcOver;
return c;
}
private Stroke bufferStroke(){
Stroke c=(Stroke)lookBuffer(setStroke);
//if(c==null&&theStroke!=null) return theStroke;
if(c==null) return origStroke;
return c;
}
private Font bufferFont(){
Font c=(Font)lookBuffer(setFont);
//if(c==null&&theFont!=null) return theFont;
//if(c==null)c=origFont;
//if(c==null) return new Font("Dialog",Font.PLAIN,12);
if(c==null) return origFont;
return c;
}
private Paint bufferPaint(){
Paint c=(Paint)lookBuffer(setPaint);
//if(c==null&&thePaint!=null) return thePaint;
//if(c==null) return Color.black;
if(c==null) return origPaint;
return c;
}
private Color bufferBackground(){
Color c=(Color)lookBuffer(setBackground);
if(c==null&&theBackground!=null) return theBackground;
if(c==null) return null;//Color.white;
return c;
}
/** draw shape translated to origin <code>(x,y) */
public void draw(Shape s,int x,int y){
AffineTransform af=getTransform();
translate(x,y);
draw(s);
setTransform(af);
}
/** fill shape translated to origin <code>(x,y) */
public void fill(Shape s,int x,int y){
AffineTransform af=getTransform();
translate(x,y);
fill(s);
setTransform(af);
}
/** draw image translated to origin <code>(x,y) */
public void draw(BufferedImage im,int x,int y){ drawImage(im,null,x,y); }
/** draw image translated to origin <code>(x,y) */
public void drawImage(BufferedImage im,int x,int y){ drawImage(im,null,x,y); }
public void drawScaledImage(BufferedImage im,int x,int y,int w,int h){
float scaleX=w*1.0f/im.getWidth();
float scaleY=h*1.0f/im.getHeight();
AffineTransform tx = new AffineTransform();
tx.scale(scaleX, scaleY);
BufferedImageOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_BILINEAR);
drawImage(im,op,x,y);
}
public void drawScaledImage(BufferedImage im,int x,int y,float scale){
AffineTransform tx = new AffineTransform();
tx.scale(scale, scale);
BufferedImageOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_BILINEAR);
drawImage(im,op,x,y);
}
public void drawDashedLine(int d,int x1,int y1,int x2,int y2){
Stroke s=getStroke();
float w=1;
int c=BasicStroke.CAP_BUTT;
int j=BasicStroke.JOIN_MITER;
float ml=0;
float[] dp={d,d};
if(s instanceof BasicStroke){
BasicStroke b=(BasicStroke) s;
w=b.getLineWidth();
c=b.getEndCap();
j=b.getLineJoin();
ml=b.getMiterLimit();
}
setStroke(new BasicStroke(w,c,j,ml,dp,0));
drawLine(x1,y1,x2,y2);
setStroke(s);
}
public static void sleep(int ms){
try{ Thread.sleep(ms);}catch(Exception e){}
}
public static final long serialVersionUID = 42L;
//------------------------------------------------------------------
//
// Image Operations
//
public static BufferedImage loadImage(String s){
try{
return ImageIO.read(new File(s));
}catch(Exception e){
System.out.println("cannot load image "+s);return null;}
}
public static BufferedImage loadImage(URL u){
try{
return ImageIO.read(u);
}catch(Exception e){
System.out.println("cannot load image "+u);return null;}
}
public static BufferedImage scaleImage(BufferedImage bi, int w, int h) {
BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g2.setPaint(Color.white);//getBackground());
g2.fillRect(0, 0, w, h);
g2.drawImage(bi, 0, 0, w, h, null);//this);
g2.dispose();
return image;
}
public static BufferedImage scaleImage(BufferedImage bi, double scale) {
int w1 = (int)(Math.round(scale*bi.getWidth()));
int h1 = (int)(Math.round(scale*bi.getHeight()));
BufferedImage image = new BufferedImage(w1, h1, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g2.setPaint(Color.white);
g2.fillRect(0, 0, w1, h1);
g2.drawImage(bi, 0, 0, w1, h1, null);//this);
g2.dispose();
return image;
}
public static BufferedImage cropImage(BufferedImage bi, int x,int y,int w, int h) {
BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g2.setPaint(Color.white);
g2.fillRect(0, 0, w, h);
g2.drawImage(bi, -x, -y, null);//this);
g2.dispose();
return image;
}
public static BufferedImage tileImage(BufferedImage im,int width, int height) {
GraphicsConfiguration gc =
GraphicsEnvironment.getLocalGraphicsEnvironment().
getDefaultScreenDevice().getDefaultConfiguration();
int transparency = Transparency.OPAQUE;//Transparency.BITMASK;
BufferedImage compatible = gc.createCompatibleImage(width,height,transparency);
Graphics2D g = (Graphics2D)compatible.getGraphics();
g.setPaint( new TexturePaint(im,new Rectangle(0,0,im.getWidth(),im.getHeight())));
g.fillRect(0,0,width,height);
return compatible;
}
public static BufferedImage rotateImage(BufferedImage bi) {
int w=bi.getWidth();
int h=bi.getHeight();
BufferedImage image = new BufferedImage(h, w, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g2.setPaint(Color.white);//getBackground());
g2.fillRect(0, 0, h, w);
g2.rotate(90*Math.PI/180);
g2.drawImage(bi,0,-h,w,h,null);//this);
g2.dispose();
return image;
}
public static void storeImage(BufferedImage image,String s){
String ext;File f;
try{
ext=s.substring(s.lastIndexOf(".")+1);
f=new File(s);
f.mkdirs();
}catch(Exception e){System.out.println(e);return;}
if(!ext.equals("gif")&&!ext.equals("jpg")&&!ext.equals("png")){
System.out.println("Cannot write to file: Illegal extension "+ext);
return;
}
try{ ImageIO.write(image,ext,f); }catch(Exception e){System.out.println(e);}
}
//---------------------------------------------------------
// Sound System:
public static Clip loadClip(String fnm){
Clip clip = null;
try {
AudioInputStream stream = AudioSystem.getAudioInputStream(
new File(fnm));
AudioFormat format = stream.getFormat();
if ( (format.getEncoding() == AudioFormat.Encoding.ULAW) ||
(format.getEncoding() == AudioFormat.Encoding.ALAW) ) {
AudioFormat newFormat =
new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,
format.getSampleRate(),
format.getSampleSizeInBits()*2,
format.getChannels(),
format.getFrameSize()*2,
format.getFrameRate(), true); // big endian
stream = AudioSystem.getAudioInputStream(newFormat, stream);
//System.out.println("Converted Audio format: " + newFormat);
format = newFormat;
}
DataLine.Info info = new DataLine.Info(Clip.class, format);
// make sure sound system supports data line
if (!AudioSystem.isLineSupported(info)) {
System.out.println("Unsupported Clip File: " + fnm);
return null;
}
// get clip line resource
clip = (Clip) AudioSystem.getLine(info);
clip.open(stream); // open the sound file as a clip
stream.close(); // we're done with the input stream
// duration (in secs) of the clip
double duration = clip.getMicrosecondLength()/1000000.0; // new
if (duration <= 1.0) {
System.out.println("WARNING. Duration <= 1 sec : "+duration+" secs");
System.out.println(" The clip in " + fnm +
" may not play in J2SE 1.5 -- make it longer");
}
//else
// System.out.println(fnm + ": Duration: " + duration + " secs");
} // end of try block
catch (UnsupportedAudioFileException audioException) {
System.out.println("Unsupported audio file: " + fnm);
}
catch (LineUnavailableException noLineException) {
System.out.println("No audio line available for : " + fnm);
}
catch (IOException ioException) {
System.out.println("Could not read: " + fnm);
}
catch (Exception e) {
System.out.println("Problem with " + fnm);
}
return clip;
} // end of loadClip()
public static Clip loadClip(URL url){
Clip clip = null;
String fnm=""+url;
try {
AudioInputStream stream = AudioSystem.getAudioInputStream(
url);
AudioFormat format = stream.getFormat();
if ( (format.getEncoding() == AudioFormat.Encoding.ULAW) ||
(format.getEncoding() == AudioFormat.Encoding.ALAW) ) {
AudioFormat newFormat =
new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,
format.getSampleRate(),
format.getSampleSizeInBits()*2,
format.getChannels(),
format.getFrameSize()*2,
format.getFrameRate(), true); // big endian
stream = AudioSystem.getAudioInputStream(newFormat, stream);
//System.out.println("Converted Audio format: " + newFormat);
format = newFormat;
}
DataLine.Info info = new DataLine.Info(Clip.class, format);
// make sure sound system supports data line
if (!AudioSystem.isLineSupported(info)) {
System.out.println("Unsupported Clip File: " + fnm);
return null;
}
// get clip line resource
clip = (Clip) AudioSystem.getLine(info);
clip.open(stream); // open the sound file as a clip
stream.close(); // we're done with the input stream
// duration (in secs) of the clip
double duration = clip.getMicrosecondLength()/1000000.0; // new
if (duration <= 1.0) {
System.out.println("WARNING. Duration <= 1 sec : "+duration+" secs");
System.out.println(" The clip in " + fnm +