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java.lang.Object
 java.awt.Polygon
- All Implemented Interfaces:
- Shape, Serializable
- See Also:
- Top Examples, Source Code,
WIND_EVEN_ODD
public void addPoint(int x,
int y)- See Also:
contains(java.awt.Point), getBounds()
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
protected Rectangle bounds - See Also:
getBounds(), getBoundingBox()
- Geek's Notes:
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public boolean contains(double x,
double y)- See Also:
- Shape
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public boolean contains(double x,
double y,
double w,
double h)- See Also:
Shape.intersects(double, double, double, double), Area
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public boolean contains(int x,
int y)- See Also:
contains(double, double)
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public boolean contains(Point2D p) - See Also:
contains(double, double), Shape
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public boolean contains(Rectangle2D r) - See Also:
contains(double, double, double, double), Shape
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public boolean contains(Point p) - See Also:
contains(double, double)
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
@Deprecated
public Rectangle getBoundingBox() - Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public Rectangle getBounds() - See Also:
Shape.getBounds2D()
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public Rectangle2D getBounds2D() - See Also:
Shape.getBounds()
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public PathIterator getPathIterator(AffineTransform at) - See Also:
- Shape
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public PathIterator getPathIterator(AffineTransform at,
double flatness)- See Also:
- Shape
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
@Deprecated
public boolean inside(int x,
int y)- See Also:
contains(double, double)
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public boolean intersects(double x,
double y,
double w,
double h)- See Also:
Area, Shape
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public boolean intersects(Rectangle2D r) - See Also:
Shape.intersects(double, double, double, double)
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public void invalidate() - See Also:
getBounds()
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public int npoints - See Also:
addPoint(int, int), ypoints, xpoints
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public Polygon() - Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public Polygon(int[] xpoints,
int[] ypoints,
int npoints)- See Also:
- NullPointerException, IndexOutOfBoundsException, NegativeArraySizeException
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public void reset() - See Also:
invalidate()
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public void translate(int deltaX,
int deltaY)- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
[1269]Drawing Applet
By vedprakashinfobase { dot } co { dot } in on 2005/01/21 01:01:13 Rate
//developed by Ved Prakash Sharma
import java.applet.Applet;
import java.awt.image.*;
import java.awt.event.*;
import java.security.*;
import javax.swing.*;
import java.awt.*;
import java.net.*;
import java.util.*;
import java.io.*;
public class ButtonApplet11 extends JPanel implements ActionListener,MouseMotionListener,MouseListener,Serializable
{
//button variable
private JPanel button_panel;
private JButton circle_btn,rect_btn,polygon_btn,move_btn,rotate_btn,image_btn;
//variable for polygon
Polygon polygon;
final int MAXLINE=100;
Point startx [ ] =new Point [ MAXLINE ] ;
Point ends [ ] =new Point [ MAXLINE ] ;
Point start;
Point anchor;
Point currentpoint;
int currentline=0;
boolean flagpoly=true,inside;
Point poly [ ] =new Point [ MAXLINE ] ;
int axisX [ ] =new int [ MAXLINE ] ,axisY [ ] =new int [ MAXLINE ] ;
int ind=0,flagpl=0;
//end polygon variable
//circle variable
Point sCrPoint = new Point ( -1, -1 ) ;
Point hwCrPoint = new Point ( -1, -1 ) ;
Vector points = new Vector ( ) ;
//rectangle variable
Rectangle rect;
final int NULL = 0;
final int MOVE = 1;
final int RESHAPE = 2;
final int MOVELINE = 3;
final int TOP = 1;
final int RIGHT = 10;
final int BOTTOM = 100;
final int LEFT = 1000;
int operation;
Point pointSource;
Point lineSourceUL;
Point lineSourceLR;
int lineSource;
public static String name;
public Image image,img;
private int _dragFromX = 0;
private int _dragFromY = 0;
private boolean _canDrag1 = false, _canDrag2 = false, _canDrag3 = false, _canDrag4 = false;
private int flag=0,imgFlag=0;
private int moveFlag1=0,moveFlag2=0,moveFlag3=0,moveFlag4=0;
private int rotateFlag1=0,rotateFlag2=0,rotateFlag3=0,rotateFlag4=0;
private int resizeFlag1=0,resizeFlag2=0,resizeFlag3=0,resizeFlag4=0;
static String msg="",msg1="";
static String command;
public int top=0,left=0,width=0,height=0;
public int pX=0,pY=0,rX=0,rY=0,prX=0,prY=0;
public int sX,startX,sY,startY,eX,endX,eY,endY;
public int ctop=0,cleft=0,cwidth=0,cheight=0;
public int firstX,firstY,lastX,lastY;
public int mouseX,mouseY,moveX,moveY,X,Y;
public void method ( MyBean mb )
{
this.name=mb.getName ( ) ;
}
ButtonApplet11 ( )
{
Dimension d = getSize ( ) ;
setSize ( d.width,d.height ) ;
setBackground ( Color.lightGray ) ;
setForeground ( Color.blue ) ;
circle_btn=new JButton ( "Circle" ) ;
add ( circle_btn ) ;
circle_btn.addActionListener ( this ) ;
polygon_btn=new JButton ( "Polygon" ) ;
add ( polygon_btn ) ;
polygon_btn.addActionListener ( this ) ;
rect_btn=new JButton ( "Rectangle" ) ;
add ( rect_btn ) ;
rect_btn.addActionListener ( this ) ;
move_btn=new JButton ( "Move" ) ;
add ( move_btn ) ;
move_btn.addActionListener ( this ) ;
rotate_btn=new JButton ( "Rotate" ) ;
add ( rotate_btn ) ;
rotate_btn.addActionListener ( this ) ;
image_btn=new JButton ( "Image" ) ;
add ( image_btn ) ;
image_btn.addActionListener ( this ) ;
addMouseMotionListener ( this ) ;
addMouseListener ( this ) ;
}
public void paintComponent ( Graphics g )
{
super.paintComponent ( g ) ; // Required for background.
g.drawString ( "Mouse at ( "+X+","+Y+" ) : "+msg,1,45 ) ;
if ( flag==1 )
{
rect.display ( g ) ;
}
if ( flag==2 )
{
if ( moveFlag2==1 )
{
g.drawArc ( ctop,cleft,cwidth,cheight,0,360 ) ;
flag=2;
}
else
{
g.drawArc ( ctop,cleft,cwidth,cheight,0,360 ) ;
}
}
if ( flag==3 && flagpoly )
{
for ( int i=0;i < currentline;i++ )
{
g.drawLine ( startx [ i ] .x,startx [ i ] .y,ends [ i ] .x,ends [ i ] .y ) ;
}
if ( currentpoint!=null )
{
g.drawLine ( anchor.x,anchor.y,currentpoint.x,currentpoint.y ) ;
}
}
if ( flagpl==1 && !flagpoly )
{
g.drawPolygon ( polygon ) ;
}
} //end paintComponent
public void actionPerformed ( ActionEvent ae )
{
command = ae.getActionCommand ( ) ;
System.out.print ( "Command:-"+command ) ;
if ( command.equals ( "Rectangle" ) )
{
setCursor ( Cursor.getPredefinedCursor ( Cursor.DEFAULT_CURSOR ) ) ;
flag=1;
msg="Click any where for draw Rectangle";
if ( imgFlag==1 )
rect = new Rectangle ( new Point ( 20, 200 ) , new Point ( 200, 100 ) ,image ) ;
else
rect = new Rectangle ( new Point ( 20, 200 ) , new Point ( 200, 100 ) ,img ) ;
}
if ( command.equals ( "Circle" ) )
{
setCursor ( Cursor.getPredefinedCursor ( Cursor.DEFAULT_CURSOR ) ) ;
msg="Click any where for draw Circle";
flag=2;
moveFlag2=0;
moveFlag1=0;
moveFlag2=0;
moveFlag3=0;
moveFlag4=0;
rotateFlag1=0;
rotateFlag2=0;
rotateFlag3=0;
rotateFlag4=0;
}
if ( command.equals ( "Polygon" ) )
{
setCursor ( Cursor.getPredefinedCursor ( Cursor.DEFAULT_CURSOR ) ) ;
msg="Click any where for draw Polygon after double click polygon complited";
flag=3;
flagpl=0;
ind=0;
start=null;
anchor=null;
currentpoint=null;
currentline=0;
flagpoly=true;
inside=false;
moveFlag1=0;
moveFlag2=0;
moveFlag3=0;
moveFlag4=0;
rotateFlag1=0;
rotateFlag2=0;
rotateFlag3=0;
rotateFlag4=0;
}
if ( command.equals ( "Move" ) )
{
setCursor ( Cursor.getPredefinedCursor ( Cursor.HAND_CURSOR ) ) ;
if ( flag==1 )
moveFlag1=1;
if ( flag==2 )
moveFlag2=1;
if ( flag==3 )
moveFlag3=1;
msg="Move the Shape";
rotateFlag1=0;
rotateFlag2=0;
rotateFlag3=0;
rotateFlag4=0;
}
if ( command.equals ( "Rotate" ) )
{
if ( flag==1 )
{
rect.rotate ( ) ;
repaint ( ) ;
rotateFlag1=1;
}
if ( flag==2 )
rotateFlag2=1;
if ( flag==3 )
rotateFlag3=1;
msg="Rotate the Shape";
moveFlag1=0;
moveFlag2=0;
moveFlag3=0;
moveFlag4=0;
}
if ( command.equals ( "Image" ) )
{
imgFlag=1;
msg="Image UpLoad";
moveFlag1=0;
moveFlag2=0;
moveFlag3=0;
moveFlag4=0;
rotateFlag1=0;
rotateFlag2=0;
rotateFlag3=0;
rotateFlag4=0;
}
}
public void mouseDragged ( MouseEvent e )
{
e.consume ( ) ;
if ( flag==3 && flagpoly && currentline < MAXLINE )
{
currentpoint=new Point ( e.getX ( ) ,e.getY ( ) ) ;
this.repaint ( ) ;
}
if ( inside )
{
polygon.translate ( e.getX ( ) , e.getY ( ) ) ;
}
if ( _canDrag2 )
{
ctop = e.getX ( ) - _dragFromX;
cleft = e.getY ( ) - _dragFromY;
ctop = Math.max ( ctop, 0 ) ;
ctop = Math.min ( ctop, getWidth ( ) - cwidth ) ;
cleft = Math.max ( cleft, 0 ) ;
cleft = Math.min ( cleft, getHeight ( ) - cheight ) ;
this.repaint ( ) ;
}
if ( ( flag==2 ) && ( moveFlag2==0 ) )
{
e.consume ( ) ;
hwCrPoint.x = e.getX ( ) ;
hwCrPoint.y = e.getY ( ) ;
drawCircle ( ) ;
}
if ( flag==1 )
{
Point point = e.getPoint ( ) ;
switch ( operation )
{
default:
break;
case 1: // '\001'
setCursor ( Cursor.getPredefinedCursor ( Cursor.HAND_CURSOR ) ) ;
rect.move ( point.x - pointSource.x, point.y - pointSource.y ) ;
pointSource = point;
break;
case 3: // '\003'
switch ( lineSource )
{
case 1: // '\001'
setCursor ( Cursor.getPredefinedCursor ( Cursor.N_RESIZE_CURSOR ) ) ;
Point point1 = new Point ( lineSourceUL.x, point.y ) ;
rect.reshape ( lineSourceUL, point1 ) ;
lineSourceUL = point1;
break;
case 10: // '\n'
setCursor ( Cursor.getPredefinedCursor ( Cursor.E_RESIZE_CURSOR ) ) ;
Point point2 = new Point ( point.x, lineSourceLR.y ) ;
rect.reshape ( lineSourceLR, point2 ) ;
lineSourceLR = point2;
break;
case 100: // 'd'
setCursor ( Cursor.getPredefinedCursor ( Cursor.N_RESIZE_CURSOR ) ) ;
Point point3 = new Point ( lineSourceLR.x, point.y ) ;
rect.reshape ( lineSourceLR, point3 ) ;
lineSourceLR = point3;
break;
case 1000:
setCursor ( Cursor.getPredefinedCursor ( Cursor.E_RESIZE_CURSOR ) ) ;
Point point4 = new Point ( point.x, lineSourceUL.y ) ;
rect.reshape ( lineSourceUL, point4 ) ;
lineSourceUL = point4;
break;
}
break;
case 2: // '\002'
rect.reshape ( pointSource, point ) ;
pointSource = point;
break;
}
this.repaint ( ) ;
}
}
public void mouseMoved ( MouseEvent me )
{
X=me.getX ( ) ;
Y=me.getY ( ) ;
this.repaint ( ) ;
}
public void mouseClicked ( MouseEvent e )
{
if ( flagpl==1 )
{
if ( polygon.contains ( e.getX ( ) , e.getY ( ) ) )
{
setCursor ( Cursor.getPredefinedCursor ( Cursor.HAND_CURSOR ) ) ;
inside = true;
repaint ( ) ;
}
}
}
public void mouseEntered ( MouseEvent me )
{
}
public void mousePressed ( MouseEvent e )
{
e.consume ( ) ;
moveX=e.getX ( ) ;
moveY=e.getY ( ) ;
prX=moveX;
prY=moveY;
if ( moveFlag2==1 )
{
int x = e.getX ( ) ;
int y = e.getY ( ) ;
if ( x > = ctop && x < = ( ctop + cwidth ) && y > = cleft && y < = ( cleft + cheight ) )
{
_canDrag2 = true;
_dragFromX = x - ctop;
_dragFromY = y - cleft;
}
else
{
_canDrag2 = false;
}
}
if ( ( flag==2 ) && ( moveFlag2==0 ) )
{
e.consume ( ) ;
sCrPoint.x = e.getX ( ) ;
sCrPoint.y = e.getY ( ) ;
}
if ( flag==1 )
{
Point point = e.getPoint ( ) ;
pointSource = nearCorner ( point ) ;
if ( pointSource != null )
{
operation = 2;
return;
}
lineSource = nearLine ( point ) ;
if ( lineSource != 0 )
{
lineSourceUL = rect.getUL ( ) ;
lineSourceLR = rect.getLR ( ) ;
operation = 3;
return;
}
Point point1 = rect.getUL ( ) ;
Point point2 = rect.getLR ( ) ;
if ( point.x > point1.x && point.x < point2.x && point.y > point1.y && point.y < point2.y )
{
operation = 1;
pointSource = point;
}
}
if ( flag==3 && flagpoly && currentline < MAXLINE )
{
if ( currentline==0 )
{
anchor=new Point ( e.getX ( ) ,e.getY ( ) ) ;
start=new Point ( e.getX ( ) ,e.getY ( ) ) ;
}
}
}
public void mouseReleased ( MouseEvent e )
{
operation = 0;
if ( ( flag==2 && moveFlag2==0 ) )
{
e.consume ( ) ;
hwCrPoint.x = e.getX ( ) ;
hwCrPoint.y = e.getY ( ) ;
drawCircle ( ) ;
}
if ( flagpoly && flag==3 && currentline < MAXLINE )
{
addline ( e.getX ( ) ,e.getY ( ) ) ;
anchor=new Point ( e.getX ( ) ,e.getY ( ) ) ;
if ( e.getClickCount ( ) == 2 )
{
addline ( start.x,start.y ) ;
for ( int i=0;i < ind;i++ )
{
axisX [ i ] =poly [ i ] .x;
axisY [ i ] =poly [ i ] .y;
flagpl=1;
}
flagpoly=false;
if ( flagpl==1 )
{
System.out.print ( " "+ind ) ;
polygon = new Polygon ( axisX, axisY, ind ) ;
}
}
}
}
public void mouseExited ( MouseEvent me )
{
if ( moveFlag1==1 )
_canDrag1 = false;
if ( moveFlag2==1 )
_canDrag2 = false;
if ( moveFlag3==1 )
_canDrag3= false;
}
public void addline ( int x,int y )
{
startx [ currentline ] =anchor;
ends [ currentline ] =new Point ( x,y ) ;
// System.out.print ( " "+ind ) ;
poly [ ind++ ] =startx [ currentline ] ;
poly [ ind++ ] =ends [ currentline ] ;
currentline++;
currentpoint=null;
anchor=null;
repaint ( ) ;
}
public void setCircleBoundry ( int top_int,int left_int,int width_int,int height_int )
{
this.ctop=top_int;
this.cleft=left_int;
this.cwidth=width_int;
this.cheight=width_int;
this.repaint ( ) ;
}
public void drawCircle ( )
{
if ( moveFlag2==0 )
{
if ( ( hwCrPoint.x < sCrPoint.x ) & ( hwCrPoint.y < sCrPoint.y ) )
setCircleBoundry ( hwCrPoint.x, hwCrPoint.y, sCrPoint.x- hwCrPoint.x, sCrPoint.y - hwCrPoint.y ) ;
else if ( hwCrPoint.x < sCrPoint.x )
setCircleBoundry ( hwCrPoint.x, sCrPoint.y, sCrPoint.x-hwCrPoint.x, hwCrPoint.y-sCrPoint.y ) ;
else if ( hwCrPoint.y < sCrPoint.y )
setCircleBoundry ( sCrPoint.x, hwCrPoint.y, hwCrPoint.x-sCrPoint.x, sCrPoint.y-hwCrPoint.y ) ;
else
setCircleBoundry ( sCrPoint.x, sCrPoint.y, hwCrPoint.x-sCrPoint.x, hwCrPoint.y-sCrPoint.y ) ;
}
}
private int nearLine ( Point point )
{
Point point1 = rect.getUL ( ) ;
Point point2 = rect.getLR ( ) ;
int i = 0;
if ( Math.abs ( point1.x - point.x ) < 10 )
i += 1000;
if ( Math.abs ( point1.y - point.y ) < 10 )
i++;
if ( Math.abs ( point2.y - point.y ) < 10 )
i += 100;
if ( Math.abs ( point2.x - point.x ) < 10 )
i += 10;
return i;
}
private Point nearCorner ( Point point )
{
int i = nearLine ( point ) ;
switch ( i )
{
case 1001:
return rect.getUL ( ) ;
case 11: // '\013'
return rect.getUR ( ) ;
case 1100:
return rect.getLL ( ) ;
case 110: // 'n'
return rect.getLR ( ) ;
}
return null;
}
}
public int[] xpoints - See Also:
addPoint(int, int), npoints
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public int[] ypoints - See Also:
addPoint(int, int)
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
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