applet1.java~853~

用java编写的绘制手机图片的程序

package paint;

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.lang.*;
import java.net.*;
import java.io.*;
import com.borland.jbcl.layout.*;
import java.awt.font.*;
import java.awt.image.*;

public class Applet1 extends Applet{
  boolean isStandalone = false;
  Point test;
  int ImageRow,ImageCol;
  byte temp[];
  String Str_Command="自绘";  //绘图指示字
  boolean IsBlack=true;  //颜色指示字
  boolean IsBian=false;  //上一步操作是不是反色
  //实际存储的数据
  int Data[][]=new int[30][100];
  //缓冲取数据
  int OldData[][]=new int[30][100];
  static final int PORT = 8586;//定义的服务器端口
  String hostname;//定义的服务器的地址

  Button ControlButton = new Button("发送");
  Panel  ControlPanel = new Panel();
  Choice choice1 = new Choice();
  Label label2 = new Label();
  TextField textField1 = new TextField();
  Label label1 = new Label();
  DrawPanel mypanel = new DrawPanel();
  Panel temppanel = new Panel();
  Panel panel=new Panel();



  GridLayout gridLayout1 = new GridLayout();
  BorderLayout borderLayout1 = new BorderLayout();
  TextField tf_Str = new TextField();
  Label label3 = new Label();
  GridLayout gridLayout2 = new GridLayout();
  Checkbox checkbox1 = new Checkbox();
  Choice choice2 = new Choice();
  //获取RGB值，并给Data赋值
  public void handlesinglepixel(int x, int y, int pixel)
  { //得到RGB值
    int alpha = (pixel >> 24) & 0xff;
    int red   = (pixel >> 16) & 0xff;
    int green = (pixel >>  8) & 0xff;
    int blue  = (pixel      ) & 0xff;
   // 给Data数组赋值

    if ( green==255 )
    {if (IsBlack==true)
       Data[y][x]=1;
     else
       Data[y][x]=0;
    }
  }
  //获得像素并进行处理
   public void handlepixels(Image img, int x, int y, int w, int h)
   { int[] pixels = new int[w * h];
     PixelGrabber pg = new PixelGrabber(img, x, y, w, h, pixels, 0, w);
     try
     { pg.grabPixels();
     }
      catch (InterruptedException e)
      { System.err.println("interrupted waiting for pixels!");
        return;
      }
      if ((pg.getStatus() & ImageObserver.ABORT) != 0)
      {  System.err.println("image fetch aborted or errored");
         return;
      }
      for (int j = 0; j < h; j++)
      {  for (int i = 0; i < w; i++)
         {  handlesinglepixel(x+i, y+j, pixels[j * w + i]);
         }
      }
   }

  class DrawPanel extends Panel implements MouseListener, MouseMotionListener {
    int colindex,rowindex;
    int colstartindex,rowstartindex,colendindex,rowendindex;
    int tempcolindex,tempcololdindex;
    int temprowindex,temprowoldindex;
    public DrawPanel() {
	setBackground(new Color(0,190,255));
	addMouseMotionListener(this);
	addMouseListener(this);
        colindex=0;
        rowindex=0;
        colendindex=0;
        rowendindex=0;
        colstartindex=0;
        rowstartindex=0;
        tempcolindex=0;
        tempcololdindex=0;
        temprowindex=0;
        temprowoldindex=0;
     //   setCursor(new Cursor(1));
        }

    public void mouseDragged(MouseEvent e) {
    //得到鼠标位置
      tempcolindex=e.getX();
      temprowindex=e.getY();
      if((e.getModifiers()&e.BUTTON3_MASK)!=0)
        return ;
      else
      { if (Str_Command=="自绘")
      //自由描绘
        {// int colindex,rowindex;
          test = e.getPoint();
          rowindex=(test.y/5)-1;
          colindex=(test.x/5)-1;
          if (IsBlack==true)
            Data[rowindex][colindex]=1;
          else
            Data[rowindex][colindex]=0;
          repaint();
        }
        else if (Str_Command=="橡皮")
        { // int colindex,rowindex;
           colindex=(e.getX()/5)-1;
           rowindex=(e.getY()/5)-1;
           Data[rowindex][colindex]=0;
           repaint();
        }
        else if (Str_Command=="直线")
        {
          Graphics g=mypanel.getGraphics();
          g.setXORMode(Color.red);
          if (tempcololdindex!=0 && temprowoldindex!=0 )
            g.drawLine(colstartindex*5,rowstartindex*5,tempcololdindex,temprowoldindex);
          g.drawLine(colstartindex*5,rowstartindex*5,tempcolindex,temprowindex);
        }
        else if (Str_Command=="矩形")
        {
          Graphics g=mypanel.getGraphics();
          g.setXORMode(Color.red);


            if (tempcololdindex!=0 && temprowoldindex!=0 )
               g.drawRect(colstartindex*5,rowstartindex*5,
                         tempcololdindex-colstartindex*5,
                         temprowoldindex-rowstartindex*5);
            g.drawRect(colstartindex*5,rowstartindex*5,
                         tempcolindex-colstartindex*5,
                       temprowindex-rowstartindex*5);
         }
        else if (Str_Command=="填充矩形")
        { Graphics g=mypanel.getGraphics();
          g.setXORMode(Color.red);

          if (tempcololdindex!=0 && temprowoldindex!=0 )
               g.fillRect(colstartindex*5,rowstartindex*5,
                         tempcololdindex-colstartindex*5,
                         temprowoldindex-rowstartindex*5);
            g.fillRect(colstartindex*5,rowstartindex*5,
                       tempcolindex-colstartindex*5,
                       temprowindex-rowstartindex*5);
        }
        else if (Str_Command=="椭圆")
        {
          Graphics g=mypanel.getGraphics();
          g.setXORMode(Color.red);

            if (tempcololdindex!=0 && temprowoldindex!=0 )
               g.drawOval(colstartindex*5,rowstartindex*5,
                         tempcololdindex-colstartindex*5,
                         temprowoldindex-rowstartindex*5);
            g.drawOval(colstartindex*5,rowstartindex*5,
                         tempcolindex-colstartindex*5,
                       temprowindex-rowstartindex*5);

        }
        else if (Str_Command=="填充椭圆")
        {
          Graphics g=mypanel.getGraphics();
          g.setXORMode(Color.red);
          if (tempcololdindex!=0 && temprowoldindex!=0 )
            g.fillOval(colstartindex*5,rowstartindex*5,
                         tempcololdindex-colstartindex*5,
                         temprowoldindex-rowstartindex*5);
            g.fillOval(colstartindex*5,rowstartindex*5,
                       tempcolindex-colstartindex*5,
                       temprowindex-rowstartindex*5);
        }
      }
      tempcololdindex=tempcolindex;
      temprowoldindex=temprowindex;
    }

    public void mouseMoved(MouseEvent e) {
    int x=e.getX();
    int y=e.getY();
    Graphics g=this.getGraphics();
    g.clearRect(250,90,100,15);
    if (x>5 && x<29 && y>80 && y<104) g.drawString("自绘曲线",250,100);
    else if (x>29 && x<53 && y>80 && y<104 ) g.drawString("直线",250,100);
    else if (x>53 && x<77 && y>80 && y<104  ) g.drawString("矩形",250,100);
    else if (x>77 && x<101 && y>80 && y<104  )g.drawString("填充的矩形",250,100);
    else if (x>101 && x<125 && y>80 && y<104 ) g.drawString("椭圆",250,100);
    else if (x>5 && x<29 && y>104 && y<128 ) g.drawString("填充的椭圆",250,100);
    else if (x>29 && x<53 && y>104 && y<128 ) g.drawString("反色",250,100);
    else if (x>53 && x<77 && y>104 && y<128 ) g.drawString("清空",250,100);
    else if (x>77 && x<101 && y>104 && y<128  ) g.drawString("文字",250,100);
    else if (x>101 && x<125 && y>104 && y<128 ) g.drawString("撤销",250,100);
    else if (x>125 && x<149 && y>104 && y<128 ) g.drawString("橡皮",250,100);
    }

    public void mousePressed(MouseEvent e) {
    colstartindex=e.getX()/5;
    rowstartindex=e.getY()/5;
    if ((((colstartindex-1)<=ImageCol) && ((rowstartindex-1)<=ImageRow)) ||
           (e.getX()>29 && e.getX()<77 && e.getY()>104 && e.getY()<128 ))
    {
    for (int i=0;i<29;i++)
    {  for (int j=0;j<99;j++)
       {  OldData[i][j]=Data[i][j];
       }
    }
    }
    int x,y;
    int Size=10;
    //取反操作
    test = e.getPoint();
    rowindex=test.y/5-1;
    colindex=test.x/5-1;
    if (Str_Command=="自绘")
    {
      if (Data[rowindex][colindex]==0) Data[rowindex][colindex]=1;
      else
      if (Data[rowindex][colindex]==1) Data[rowindex][colindex]=0;
    }
    else if  (Str_Command=="橡皮")
    { Data[rowindex][colindex]=0;
    }
   //获得鼠标位置
    x=e.getX();
    y=e.getY();
    //绘制文字
    if ((Str_Command=="文字")  && (y<75))
    { this.setBackground(Color.blue);
      Image offscreenimage=createImage(72,14);//创建屏外绘图区
      Graphics offscreen=offscreenimage.getGraphics();//取得绘图环境
      switch(choice2.getSelectedIndex())
      {  case 0:
          Size=12;
          break;
         case 1:
          Size=10;
          break;
        case 2:
          Size=11;
          break;
        case 3:
          Size=13;
          break;
      }
      offscreen.setFont(new Font("宋体",Font.PLAIN,Size));
      offscreen.setColor(Color.green);
      String Str_temp=tf_Str.getText();
      offscreen.drawString(Str_temp,colindex,rowindex+5);
      handlepixels(offscreenimage,0,0,72,14);
      this.setBackground(new Color(0,190,255));
    }

    //设置指示字
    if (x>5 && x<29 && y>80 && y<104)
    { Str_Command="自绘";
      IsBian=false;}
    else if (x>29 && x<53 && y>80 && y<104 )
    { Str_Command="直线";
      IsBian=false;}
    else if (x>53 && x<77 && y>80 && y<104 )
    { Str_Command="矩形";
      IsBian=false;}
    else if (x>77 && x<101 && y>80 && y<104 )
    { Str_Command="填充矩形";
      IsBian=false;}
    else if (x>101 && x<125 && y>80 && y<104 )
    { Str_Command="椭圆";
      IsBian=false;
    }
    else if (x>5 && x<29 && y>104 && y<128 )
    { Str_Command="填充椭圆";
      IsBian=false;
    }
    //取反操作
    else if (x>29 && x<53 && y>104 && y<128 )
    {  for (int i=0;i<15;i++)
      { for (int j=0;j<75;j++)
        {
           if (Data[i][j]==1) Data[i][j]=0;
          else Data[i][j]=1;
        }
     }
    IsBian=true;
    if (IsBlack==true) IsBlack=false;
       else IsBlack=true;
    this.getGraphics().clearRect(0,0,5*ImageCol,5*ImageRow);
    this.getGraphics().clearRect(250,100,250+1*ImageCol,100+1*ImageRow);
    }
    //清空操作
    else if (x>53 && x<77 && y>104 && y<128 )
    { for (int i=0;i<15;i++)
      { for (int j=0;j<75;j++)
        {
          IsBlack=true;
          Data[i][j]=0;
        }
     }
     IsBian=false;
     this.getGraphics().clearRect(5,5,5*ImageCol,5*ImageRow);
     this.getGraphics().clearRect(250,110,ImageCol,ImageRow);
    }
    else if (x>77 && x<101 && y>104 && y<128 )
    { tf_Str.requestFocus();
      tf_Str.selectAll();
      tf_Str.setEnabled(true);
      Str_Command="文字";
      IsBian=false;
    }
    else if (x>101 && x<125 && y>104 && y<128 )
    { int tempData;
      for (int i=0;i<29;i++)
      { for (int j=0;j<99;j++)
        {
          tempData=Data[i][j];
          Data[i][j]=OldData[i][j];
          OldData[i][j]=tempData;
        }
      }
      if (IsBian==true)
      {
         if (IsBlack==true) IsBlack=false;
         else IsBlack=true;
         IsBian=false;
      }
    }
    else if (x>125 && x<149 && y>104 && y<128 )
    { Str_Command="橡皮";
      IsBian=false;
    }
    if (Str_Command!="文字") tf_Str.setEnabled(false);
    repaint();
    }

    public void mouseReleased(MouseEvent e) {
    test = e.getPoint();
    rowendindex=test.y/5;
    colendindex=test.x/5;
   //利用双缓冲
    this.setBackground(Color.blue);
    Image offscreenimage=createImage(72,14);//创建屏外绘图区
    Graphics offscreen=offscreenimage.getGraphics();//取得绘图环境
    offscreen.setColor(Color.green);

    if (Str_Command=="直线")
      offscreen.drawLine((colstartindex-1),(rowstartindex-1),(colendindex-1),(rowendindex-1));
    else if (Str_Command=="矩形")
      offscreen.drawRect((colstartindex-1),(rowstartindex-1),
                         colendindex-colstartindex,rowendindex-rowstartindex);
    else if (Str_Command=="椭圆")
      offscreen.drawOval((colstartindex-1),(rowstartindex-1),
                         colendindex-colstartindex,rowendindex-rowstartindex);
    else if (Str_Command=="填充矩形")
      offscreen.fillRect((colstartindex-1),(rowstartindex-1),
                         colendindex-colstartindex,rowendindex-rowstartindex);
    if (Str_Command=="填充椭圆")
      offscreen.fillOval((colstartindex-1),(rowstartindex-1),
                         colendindex-colstartindex,rowendindex-rowstartindex);
    handlepixels(offscreenimage,0,0,72,14);
    this.setBackground(new Color(0,190,255));
    repaint();
    tempcololdindex=0;
    temprowoldindex=0;
    }

    public void mouseEntered(MouseEvent e) {
    }

    public void mouseExited(MouseEvent e) {
    }

    public void update(Graphics g)
    {
    g.clearRect(5*(colindex+1),5*(rowindex+1),5,5);
    g.clearRect(250+colindex,110+rowindex,1,1);
    paint(g);
    }

    public void mouseClicked(MouseEvent e) {
/*    int x,y;
    int Size=10;
    //取反操作
    test = e.getPoint();
    rowindex=test.y/5-1;
    colindex=test.x/5-1;
    if (Str_Command=="自绘")
    {
      if (Data[rowindex][colindex]==0) Data[rowindex][colindex]=1;
      else
      if (Data[rowindex][colindex]==1) Data[rowindex][colindex]=0;
    }
    else if  (Str_Command=="橡皮")
    { Data[rowindex][colindex]=0;
    }
   //获得鼠标位置
    x=e.getX();
    y=e.getY();
    //绘制文字
    if ((Str_Command=="文字")  && (y<70))
    { this.setBackground(Color.blue);
      Image offscreenimage=createImage(72,14);//创建屏外绘图区
      Graphics offscreen=offscreenimage.getGraphics();//取得绘图环境
      switch(choice2.getSelectedIndex())
      {  case 0:
          Size=12;
          break;
         case 1:
          Size=10;
          break;
        case 2:
          Size=11;
          break;
        case 3:
          Size=13;
          break;
      }
      offscreen.setFont(new Font("宋体",Font.PLAIN,Size));
      offscreen.setColor(Color.green);
      String Str_temp=tf_Str.getText();
      offscreen.drawString(Str_temp,colindex,rowindex+5);
      handlepixels(offscreenimage,0,0,72,14);
      this.setBackground(new Color(0,190,255));
    }

    //设置指示字
    if (x>5 && x<29 && y>80 && y<104)
    { Str_Command="自绘";
      IsBian=false;}
    else if (x>29 && x<53 && y>80 && y<104 )
    { Str_Command="直线";
      IsBian=false;}
    else if (x>53 && x<77 && y>80 && y<104 )
    { Str_Command="矩形";
      IsBian=false;}
    else if (x>77 && x<101 && y>80 && y<104 )
    { Str_Command="填充矩形";
      IsBian=false;}
    else if (x>101 && x<125 && y>80 && y<104 )
    { Str_Command="椭圆";
      IsBian=false;
    }
    else if (x>5 && x<29 && y>104 && y<128 )
    { Str_Command="填充椭圆";
      IsBian=false;
    }
    //取反操作
    else if (x>29 && x<53 && y>104 && y<128 )
    {  for (int i=0;i<15;i++)
      { for (int j=0;j<75;j++)
        {
           if (Data[i][j]==1) Data[i][j]=0;
          else Data[i][j]=1;
        }
     }
    IsBian=true;