graphicspanel.java

java编画图软件

                if(toolState==5||toolState==9)
                {
                	if(brushStyle==1)
                	g.setStroke(new BasicStroke(3.0f));
                	if(brushStyle==2)
                	g.setStroke(new BasicStroke(5.0f));
                	
                	if(brushStyle==3)
                	g.setStroke(new BasicStroke(3.0f,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND));
                	if(brushStyle==4)
                	g.setStroke(new BasicStroke(5.0f,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND));
                	if(brushStyle==5)
                	g.setStroke(new BasicStroke(5.0f,BasicStroke.CAP_BUTT,BasicStroke.JOIN_BEVEL));
                    if(brushStyle==6)
                    g.setStroke(new BasicStroke(5.0f,BasicStroke.CAP_BUTT,BasicStroke.JOIN_MITER));
                }
                else
                {	
                if(lineStyle==1);
             	g.setStroke(new BasicStroke(1.0f));
             	if(lineStyle==2)
             	g.setStroke(new BasicStroke(3.0f));
             	if(lineStyle==3)
             	g.setStroke(new BasicStroke(5.0f));
                }
                pointText.setText(currentPosX+","+currentPosY);
               
                  switch(toolState)
                  {
                    case 1:
                    {
             	    repaint();
             	    g.setColor(preColor);
             	    g.drawLine(startPosX,startPosY,currentPosX,currentPosY);
             	    
                    break;
                    }
                    case 2:
                    {
                    	repaint();
                    	g.setColor(preColor);
                        g.drawLine(previousPosX,previousPosY,currentPosX,currentPosY);
                    	break;
                    }	
                    
                    case 4:
              { 
               g.setColor(preColor);
               g.setStroke(new BasicStroke(1.0f));
               g.drawLine(startPosX,startPosY,currentPosX,currentPosY);
               Graphicsnum++;
               Bgt[Graphicsnum][0]=1;
               Bgt[Graphicsnum][1]=startPosX;
               Bgt[Graphicsnum][2]=startPosY;
               Bgt[Graphicsnum][3]=currentPosX;
               Bgt[Graphicsnum][4]=currentPosY;
               Bgt[Graphicsnum][5]=1;
               colorChoice[Graphicsnum]=preColor;
             
               startPosX = currentPosX;
               startPosY = currentPosY;
               break;
               }
               
               case 6:
              {
              	
             
              	repaint();
              	g.setColor(preColor);
              	graphicsHeight=Math.abs(currentPosY-startPosY);
                graphicsWidth=Math.abs(currentPosX-startPosX);
                top_leftPosX=Math.min(currentPosX,startPosX);
                top_leftPosY=Math.min(currentPosY,startPosY);
                if(paintStyle==2)
                g.fillOval(top_leftPosX,top_leftPosY,graphicsWidth,graphicsHeight);
                else 
                g.drawOval(top_leftPosX,top_leftPosY,graphicsWidth,graphicsHeight);
              	
              
              	break;
              }	
              case 5:
              { 
               g.setColor(preColor);
               
               
               g.drawLine(startPosX,startPosY,currentPosX,currentPosY);
               Graphicsnum++;
               Bgt[Graphicsnum][0]=1;
               Bgt[Graphicsnum][1]=startPosX;
               Bgt[Graphicsnum][2]=startPosY;
               Bgt[Graphicsnum][3]=currentPosX;
               Bgt[Graphicsnum][4]=currentPosY;
               Bgt[Graphicsnum][5]=brushStyle+1;
               colorChoice[Graphicsnum]=preColor;
             
               startPosX = currentPosX;
               startPosY = currentPosY;
               break;
              }
              
                    case 7: 
               {
                
                repaint();
                g.setColor(preColor);
             	graphicsHeight=Math.abs(currentPosY-startPosY);
                graphicsWidth=Math.abs(currentPosX-startPosX);
                top_leftPosX=Math.min(currentPosX,startPosX);
                top_leftPosY=Math.min(currentPosY,startPosY);
                if(paintStyle==2)
                g.fillRect(top_leftPosX,top_leftPosY,graphicsWidth,graphicsHeight);
                g.drawRect(top_leftPosX,top_leftPosY,graphicsWidth,graphicsHeight);
                break;
               }
                case 9:
                {
               g.setColor(Color.white);
               g.drawLine(startPosX,startPosY,currentPosX,currentPosY);
               Graphicsnum++;
               Bgt[Graphicsnum][0]=1;
               Bgt[Graphicsnum][1]=startPosX;
               Bgt[Graphicsnum][2]=startPosY;
               Bgt[Graphicsnum][3]=currentPosX;
               Bgt[Graphicsnum][4]=currentPosY;
               Bgt[Graphicsnum][5]=brushStyle+1;
               colorChoice[Graphicsnum]=Color.white;
               
               startPosX = currentPosX;
               startPosY = currentPosY;
               break;
                }  
                case 10:
                {
                /*repaint();
              	g.setColor(Color.black);
              	graphicsHeight=Math.abs(currentPosY-startPosY);
                graphicsWidth=Math.abs(currentPosX-startPosX);
                top_leftPosX=Math.min(currentPosX,startPosX);
                top_leftPosY=Math.min(currentPosY,startPosY);
              	g.drawRect(top_leftPosX,top_leftPosY,graphicsWidth,graphicsHeight);
             
              	break;*/
                }
               }
             
            
              }
               public void mouseMoved(MouseEvent e){
             	currentPosX= e.getX();
                currentPosY= e.getY();
                
                
                pointText.setText(currentPosX+","+currentPosY);
              }  
             
             });
             
             addMouseListener(new MouseAdapter(){
             	
             public void mouseEntered(MouseEvent e){
             	if (toolState==6||toolState==7||toolState==1)
             	
             setCursor(new Cursor(Cursor.CROSSHAIR_CURSOR));
               else if(toolState==9)
               setCursor(new Cursor(Cursor.MOVE_CURSOR));

               else setCursor(new Cursor(Cursor.DEFAULT_CURSOR));        
             }
             public void mouseExited(MouseEvent e){
     
             pointText.setText("");
             
             
             }
             
             public void mousePressed(MouseEvent e){
             
             startPosX = e.getX();
             startPosY = e.getY();
             if(Pointnum==0)
             {
             previousPosX = e.getX();
             previousPosY = e.getY();
             polyPoint[++Pointnum][0]=previousPosX;
             polyPoint[Pointnum][1]=previousPosY;
             }
            //f(getComponents()!=null)
            //
             
             //Bgt[Graphicsnum][4]=currentPosY;
            // aTextField.setText("");
            // remove(aTextField);
            // repaint();
             // 
             
        }
             
             	
             public void mouseReleased(MouseEvent e){
             Graphics2D g=(Graphics2D)aPanel.getGraphics();
             currentPosY = e.getY();
             currentPosX = e.getX();
             if(toolState==5||toolState==9)
             {
             	if(brushStyle==1)
             	g.setStroke(new BasicStroke(3.0f));
             	if(brushStyle==2)
             	g.setStroke(new BasicStroke(5.0f));
             	if(brushStyle==3)
             	g.setStroke(new BasicStroke(3.0f,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND));
             	if(brushStyle==4)
             	g.setStroke(new BasicStroke(5.0f,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND));
             	if(brushStyle==5)
               	g.setStroke(new BasicStroke(5.0f,BasicStroke.CAP_BUTT,BasicStroke.JOIN_BEVEL));
                if(brushStyle==6)
                g.setStroke(new BasicStroke(5.0f,BasicStroke.CAP_BUTT,BasicStroke.JOIN_MITER));
             }
             else	
             {
             	if(lineStyle==1);
             	g.setStroke(new BasicStroke(1.0f));
             	if(lineStyle==2)
             	g.setStroke(new BasicStroke(3.0f));
             	if(lineStyle==3)
             	g.setStroke(new BasicStroke(5.0f));
             
          }
             switch(toolState)
              {
              case 1:
             {
             	g.setColor(preColor);
             	g.drawLine(startPosX,startPosY,currentPosX,currentPosY);
             	 
             	Graphicsnum++;
             	Bgt[Graphicsnum][0]=1;
             	Bgt[Graphicsnum][1]=startPosX;
             	Bgt[Graphicsnum][2]=startPosY;
             	Bgt[Graphicsnum][3]=currentPosX;
             	Bgt[Graphicsnum][4]=currentPosY;
             	Bgt[Graphicsnum][5]=lineStyle;
             	colorChoice[Graphicsnum]=preColor;
             	
                break;             
             }
             case 2:
             {
             	polyPoint[++Pointnum][0]=currentPosX;
             	polyPoint[Pointnum][1]=currentPosY;
             	g.setColor(preColor);
             	g.drawLine(previousPosX,previousPosY,currentPosX,currentPosY);
             	Graphicsnum++;
             	Bgt[Graphicsnum][0]=1;
             	Bgt[Graphicsnum][1]=previousPosX;
             	Bgt[Graphicsnum][2]=previousPosY;
             	Bgt[Graphicsnum][3]=currentPosX;
             	Bgt[Graphicsnum][4]=currentPosY;
             	Bgt[Graphicsnum][5]=lineStyle;
             	colorChoice[Graphicsnum]=preColor;
             	previousPosX=currentPosX;
             	previousPosY=currentPosY;
             	break;
             }
             case 3:
             {
             	Color oldColor;
             	try{
             	Robot r=new Robot();
             	positionX=currentPosX+aFrame.getX()+leftPanel.getWidth();
             	positionY=currentPosY+aFrame.getY()+aMenuBar.getHeight()+30;
    	        oldColor=r.getPixelColor(positionX,positionY);
                g.setColor(preColor);
                pointText.setText(positionX+","+positionY);
                areaFill(currentPosX,currentPosY,oldColor,preColor);
                Graphicsnum++;
                Bgt[Graphicsnum][0]=3;
                Bgt[Graphicsnum][1]=currentPosX;
                Bgt[Graphicsnum][2]=currentPosY;
                //Bgt[Graphicsnum][3]=currentPosX;
                //Bgt[Graphicsnum][4]=currentPosY;
                //Bgt[Graphicsnum][5]=1;
               colorChoice[Graphicsnum]=preColor;
                }
                catch(Exception error){
                }
             	break;
             }	
              case 4:
              { 
               g.setColor(preColor);    
               g.setStroke(new BasicStroke(1.0f));        
               g.drawLine(startPosX,startPosY,currentPosX,currentPosY);
               Graphicsnum++;
               Bgt[Graphicsnum][0]=1;
               Bgt[Graphicsnum][1]=startPosX;
               Bgt[Graphicsnum][2]=startPosY;
               Bgt[Graphicsnum][3]=currentPosX;
               Bgt[Graphicsnum][4]=currentPosY;
               Bgt[Graphicsnum][5]=1;
               colorChoice[Graphicsnum]=preColor;
               
               break;
              }
              case 5:
              {
               g.setColor(preColor);
               g.drawLine(startPosX,startPosY,currentPosX,currentPosY);
               Graphicsnum++;
               Bgt[Graphicsnum][0]=1;
               Bgt[Graphicsnum][1]=startPosX;
               Bgt[Graphicsnum][2]=startPosY;
               Bgt[Graphicsnum][3]=currentPosX;
               Bgt[Graphicsnum][4]=currentPosY;
               Bgt[Graphicsnum][5]=brushStyle+1;
               colorChoice[Graphicsnum]=preColor;
             
               startPosX = currentPosX;
               startPosY = currentPosY;
               break;
              }
              case 6:
              { 
                g.setColor(preColor);
               	graphicsHeight=Math.abs(currentPosY-startPosY);
                graphicsWidth=Math.abs(currentPosX-startPosX);
                top_leftPosX=Math.min(currentPosX,startPosX);
                top_leftPosY=Math.min(currentPosY,startPosY);
                if(paintStyle==1)
              	g.drawOval(top_leftPosX,top_leftPosY,graphicsWidth,graphicsHeight);
              	else
              	g.fillOval(top_leftPosX,top_leftPosY,graphicsWidth,graphicsHeight);
              	Graphicsnum++;
              	Bgt[Graphicsnum][0]=6;
             	Bgt[Graphicsnum][1]=top_leftPosX;
             	Bgt[Graphicsnum][2]=top_leftPosY;
             	Bgt[Graphicsnum][3]=graphicsWidth;
             	Bgt[Graphicsnum][4]=graphicsHeight;
             	Bgt[Graphicsnum][5]=lineStyle;
             	Bgt[Graphicsnum][6]=paintStyle;
             	colorChoice[Graphicsnum]=preColor;
             	
               
              	break;
              }	
              case 7: 
             {
             	g.setColor(preColor);
                graphicsHeight=Math.abs(currentPosY-startPosY);
                graphicsWidth=Math.abs(currentPosX-startPosX);
                top_leftPosX=Math.min(currentPosX,startPosX);
                top_leftPosY=Math.min(currentPosY,startPosY);
                if(paintStyle==1)
                g.drawRect(top_leftPosX,top_leftPosY,graphicsWidth,graphicsHeight);
                else
                g.fillRect(top_leftPosX,top_leftPosY,graphicsWidth,graphicsHeight);
                Graphicsnum++;
                Bgt[Graphicsnum][0]=7;
             	Bgt[Graphicsnum][1]=top_leftPosX;
             	Bgt[Graphicsnum][2]=top_leftPosY;
             	Bgt[Graphicsnum][3]=graphicsWidth;
             	Bgt[Graphicsnum][4]=graphicsHeight;
             	Bgt[Graphicsnum][5]=lineStyle;
             	Bgt[Graphicsnum][6]=paintStyle;
             	colorChoice[Graphicsnum]=preColor;
             	
                break;               
             }
             case 9:
             {
             g.setColor(Color.white);
             
               g.drawLine(startPosX,startPosY,currentPosX,currentPosY);
               Graphicsnum++;
               Bgt[Graphicsnum][0]=1;
               Bgt[Graphicsnum][1]=startPosX;
               Bgt[Graphicsnum][2]=startPosY;
               Bgt[Graphicsnum][3]=currentPosX;
               Bgt[Graphicsnum][4]=currentPosY;
               Bgt[Graphicsnum][5]=brushStyle+1;
               //Bgt[Graphicsnum][5]=1;
               colorChoice[Graphicsnum]=preColor;
             
               startPosX = currentPosX;
               startPosY = currentPosY;
               break;
             }
             case 10:
             {
             	/*repaint();
              	g.setColor(Color.black);
              	graphicsHeight=Math.abs(currentPosY-startPosY);
                graphicsWidth=Math.abs(currentPosX-startPosX);
                top_leftPosX=Math.min(currentPosX,startPosX);
                top_leftPosY=Math.min(currentPosY,startPosY);
              	g.drawRect(top_leftPosX,top_leftPosY,graphicsWidth,graphicsHeight);
              	add(aTextField);
              	aTextField.setBounds(top_leftPosX,top_leftPosY,graphicsWidth,graphicsHeight);
              	
                getText=aTextField.getText();
                Text[Textnum++]=getText;
                Graphicsnum++;
                Bgt[Graphicsnum][0]=10;
                Bgt[Graphicsnum][1]=top_leftPosX;
                Bgt[Graphicsnum][2]=top_leftPosY;
                Bgt[Graphicsnum][3]=Textnum;*/
                //
                try{
             	Robot r=new Robot();
             	positionX=currentPosX+aFrame.getX()+leftPanel.getWidth();
             	positionY=currentPosY+aFrame.getY()+aMenuBar.getHeight()+25;
    	        preColor=r.getPixelColor(positionX,positionY);
    	        colorButton.setBackground(preColor);

                 }
                  catch(Exception e3)
                  {
                  }               	
             break;
             }
             default: break;
             
             } 
                 
        //display(g);
          }     
       });
     }
       
    public void areaFill(int x,int y,Color oldColor,Color fillColor) throws Exception
    {
    	/*Graphics2D g=(Graphics2D)aPanel.getGraphics();
    	Robot r=new Robot();
    	positionX=x+aFrame.getX()+leftPanel.getWidth();
        positionY=y+aFrame.getY()+aMenuBar.getHeight()+25;
    	Color c=r.getPixelColor(positionX,positionY);
    	g.setColor(fillColor);
    	if(c.equals(oldColor))
    	{
    		g.drawLine(x,y,x+1,y+1);
    		areaFill(x+1,y,oldColor,fillColor);
    		areaFill(x-1,y,oldColor,fillColor);
    		//areaFill(x,y+1,oldColor,fillColor);
    		//areaFill(x,y-1,oldColor,fillColor);
    	}*/
    	
    	/*if(c.equals(Color.white))
    	  c=Color.red;
    	  g.setColor(c);
    	g.drawLine(10,10,20,20);*/
   	
      
    }	
    public void lastLine()
    {
    	Graphics2D g=(Graphics2D)aPanel.getGraphics();     
    	if(lineStyle==1);
        g.setStroke(new BasicStroke(1.0f));
        if(lineStyle==2)
        g.setStroke(new BasicStroke(3.0f));
        if(lineStyle==3)