//CircuitCanvas.java import java.awt.*; import java.awt.event.*; public class CircuitCanvas extends Canvas implements MouseListener{ private int x[], y[]; private StateVars state; private Image im; private Graphics buf; private double frequency; //private static final Color bgcolor = new Color(24,188,185); private static final Color bgcolor = Color.gray; private static final Color ccolor1 = new Color(50,204,153); private boolean IsFocusOn; private int xtr; public CircuitCanvas(StateVars state){ super(); this.state = state; setBackground(bgcolor); x = new int[5]; y = new int[6]; this.addMouseListener(this); IsFocusOn = false; } public void update(Graphics g){ paint(g); } public void paint(Graphics g){ if(im == null){ im = createImage(getSize().width,getSize().height); buf = im.getGraphics(); drawCircuit(buf); } else{ drawCircuit(buf); } g.drawImage(im,0,0,null); } public void drawCircuit(Graphics g){ Graphics2D g2d = (Graphics2D)g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); //Draw the background //g.setColor(bgcolor.darker()); //g.fillRect(0,getSize().height-2,getSize().width,2); //g.fillRect(getSize().width-2,0,2,getSize().height); //g.setColor(bgcolor.brighter()); //g.fillRect(0,0,2,getSize().height-1); //g.fillRect(0,0,getSize().width-2,2); //set the arrays x[0] = 20; x[4] = getSize().width-20; x[2] = x[0] + 50; x[3] = x[4] - 20; x[1] = (x[0]+x[2])/2; xtr = x[2]; y[4] = 30; y[0] = getSize().height-115; y[2] = (y[4]+y[0])/2; y[3] = (y[4]+y[2])/2; y[1] = (y[0]+y[2])/2; y[5] = getSize().height; //drawGrid(x,y,g); //g.clearRect(x[0],y[4]-10,x[4]-x[0],y[0]-y[4]+20); g.clearRect(0,0,getSize().width-1,getSize().height-1); //Draw Transformer if(state.getDrawTransformer1() || state.getDrawTransformer2()){ drawTransf(g); drawTransf(g); } //Reference drawRef(g); //Wires drawWire(x[0],y[4],x[4]+5,y[4],1,g); drawWire(x[0],y[0],x[4]+5,y[0],1,g); drawWire(x[0],y[4]+1,x[0],y[0]-2,2,g); drawWire(x[4]+5,y[4]+1,x[4]+5,y[0]-1,2,g); //Horizontal axis drawAxis(g); //ZL draw3DRect(x[4]+5,y[2],18,y[1]-y[3],ccolor1,g); g.setColor(Color.white); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); MaestroG.subscripter("Z","L","",g,11,x[4]+5-6,y[2]+2); // print twice smoothed letters on dark MaestroG.subscripter("Z","L","",g,11,x[4]+5-6,y[2]+2); //Zg draw3DRect(x[1],y[4],x[2]-x[0]-20,18,ccolor1,g); g.setColor(Color.white); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); MaestroG.subscripter("Z","g","",g,11,x[1]-5,y[4]+2); // print twice smoothed letters on dark MaestroG.subscripter("Z","g","",g,11,x[1]-5,y[4]+2); //Vg drawCircle(x[0],y[2],12,ccolor1,g); g.setColor(Color.white); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); MaestroG.subscripter("V","g","",g,11,x[0]-6,y[2]+1); // print twice smoothed letters on dark MaestroG.subscripter("V","g","",g,11,x[0]-6,y[2]+1); //Connections drawConnect(x[2],y[4],g); drawConnect(x[2],y[0],g); drawConnect(x[3],y[4],g); drawConnect(x[3],y[0],g); //Draw parameter strings //if(IsFocusOn){drawStrings(g);} drawStrings(g); // print twice, smoothed characters wash out on dark background drawStrings(g); } private void drawGrid(int [] x,int [] y,Graphics g){ g.setColor(Color.yellow); for(int i = 0 ; i< 5; i++){ g.drawLine(x[0],y[i],x[4],y[i]); g.drawLine(x[i],y[0],x[i],y[4]); } } private void draw3DRect(int x, int y, int width, int height, Color c, Graphics g){ g.setColor(c); g.fillRect(x-width/2,y-height/2,width,height); g.setColor(Color.white); g.drawLine(x-width/2,y-height/2,x+width/2,y-height/2); g.drawLine(x-width/2,y-height/2,x-width/2,y+height/2); g.setColor(Color.black); g.drawLine(x-width/2,y+height/2,x+width/2,y+height/2); g.drawLine(x+width/2,y-height/2,x+width/2,y+height/2); } private void drawRect(int x, int y, int width, int height, Color c, Graphics g){ g.setColor(c); g.fillRect(x-width/2,y-height/2,width,height); } private void drawCircle(int x, int y, int radius, Color c, Graphics g){ g.setColor(c); g.fillOval(x-radius,y-radius,2*radius,2*radius); g.setColor(Color.white); g.drawOval(x-radius,y-radius,2*radius,2*radius); g.setColor(Color.black); g.drawArc(x-radius-1,y-radius-1,2*radius+2,2*radius+2,30,-120); /* g.setColor(c.brighter()); g.drawArc(x-radius,y-radius,2*radius,2*radius,60,120); */ } private void drawConnect(int x, int y, Graphics g){ int tmp1, tmp2; tmp1 = 7; tmp2 = 5; //drawRect(x,y,tmp1,tmp1,Color.white,g); //drawRect(x,y,tmp2,tmp2,Color.black,g); Graphics2D g2d = (Graphics2D)g; g2d.setStroke(new BasicStroke(1)); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g2d.setPaint(Color.white); g.fillOval(x-tmp1/2,y-tmp1/2,tmp1,tmp1); g2d.setPaint(Color.black); g.fillOval(x-tmp2/2,y-tmp2/2,tmp2,tmp2); g2d.setStroke(new BasicStroke(1)); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); } private void drawWire(int x1, int y1, int x2, int y2, int mode, Graphics g){ g.setColor(Color.white); g.drawLine(x1,y1,x2,y2); if(mode==1){ g.setColor(Color.black); g.drawLine(x1,y1+1,x2,y2+1); } else if(mode==2){ g.setColor(Color.black); g.drawLine(x1+1,y1,x2+1,y2); } } public void drawRef(Graphics g){ if(state.xpos <=state.lineLength && state.xpos >= 0.0){ int tx1, ty1, tx2, ty2; tx1 = (int)(x[3] - (state.xpos/state.lineLength)*(x[3]-xtr)); ty1 = y[4]-10; tx2 = tx1; ty2 = y[0]+10; g.setColor(Color.green); g.drawLine(tx1,ty1,tx2,ty2); } } private void drawTransf(Graphics g){ Graphics2D g2d = (Graphics2D)g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); int tx1, ty1, tx2, ty2, ty3; String tmp; FontMetrics fm; fm = g.getFontMetrics(); if(state.getDrawTransformer1()){ tx1 = (int)(x[3] - (state.d1/state.lineLength)*(x[3]-xtr)); ty1 = y[4]-10; tx2 = tx1; ty2 = y[0]+10; ty3 = ty1+1; g.setColor(Color.red); g.drawLine(tx1,ty1,tx2,ty2); int x1 = (int)(x[3] - (state.d1+0.25)/state.lineLength*(x[3]-xtr)); int y1 = y[4]; int w1 = (int)((0.25/state.lineLength)*(x[3]-xtr)); int h1 = y[0]-y[4]-1; int x2 = x1 + w1/2-10; int y2 = y1 + h1/2; g.setColor(Color.white); g.fillRect(x1,y1,w1,h1); g.setColor(Color.red); MaestroG.subscripterSanSym3("Z","","02"," ","",g,12,x2,y2); MaestroG.subscripterSymFirst3("\u03b5","r","2","",g,12,x2,y2+20); g.setColor(Color.white); MaestroG.subscripter("Z","01"," ",g,12,x1-30,y2); g.setFont(TheFonts.serif12); MaestroG.subscripterSymFirst3("\u03b5","r","1","",g,12,x1-30,y2+20); if(state.getZL().Imaginary()!=0.0){ g.setColor(Color.white); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); MaestroG.subscripter("Z","01"," ",g,12,x1+w1+5,y2); MaestroG.subscripterSymFirst3("\u03b5","r","1","",g,12,x1+w1+5,y2+20); g.setColor(Color.green); g.drawLine(tx1-10,ty3,tx1+5,ty3); MaestroG.drawArrow(tx1+5,ty3,7,g); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); tmp=new String(" = "+MaestroA.rounder(state.Zin1.Real(),2)); // CHANGE ================================================== //MaestroG.subscripterSanSym2("Z","",tmp," \u03a9",g,12,tx1-30,ty3-8); MaestroG.subscripterSanSym2("Z","",tmp," \u03a9",g,12,tx1-35,ty3-8); //========================================================== g.setFont(TheFonts.sanSerif16); } if(state.getAtInput()){ g.setColor(Color.green); g.drawLine(x1-10,ty3,x1+5,ty3); MaestroG.drawArrow(x1+5,ty3,7,g); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); tmp = new String(" = "+MaestroA.rounder(state.getZ0old(),2)); MaestroG.subscripterSanSym2("Z","in",tmp," \u03a9",g,12,x1-60,ty3-8); g.setFont(TheFonts.sanSerif16); } } if(state.getDrawTransformer2()){ tx1 = (int)(x[3] - (state.d2/state.lineLength)*(x[3]-xtr)); ty1 = y[4]-10; tx2 = tx1; ty2 = y[0]+10; ty3 = ty1+1; g.setColor(Color.red); g.drawLine(tx1,ty1,tx2,ty2); int x1 = (int)(x[3] - (state.d2+0.25)/state.lineLength*(x[3]-xtr)); int y1 = y[4]; int w1 = (int)((0.25/state.lineLength)*(x[3]-xtr)); int h1 = y[0]-y[4]-1; int x2 = x1 + w1/2-10; int y2 = y1 + h1/2; g.setColor(Color.green); g.drawLine(tx1-10,ty3,tx1+5,ty3); MaestroG.drawArrow(tx1+5,ty3,7,g); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); tmp = new String(" = "+MaestroA.rounder(state.Zin2.Real(),2)); MaestroG.subscripterSanSym2("Z","",tmp," \u03a9",g,12,tx1-30,ty3-8); g.setFont(TheFonts.sanSerif16); if(state.getAtInput()){ g.setColor(Color.green); g.drawLine(x1-10,ty3,x1+5,ty3); MaestroG.drawArrow(x1+5,ty3,7,g); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); tmp = new String(" = "+MaestroA.rounder(state.getZ0old(),2)); MaestroG.subscripterSanSym2("Z","in",tmp," \u03a9",g,12,x1-60,ty3-8); g.setFont(TheFonts.sanSerif16); } g.setColor(Color.white); g.fillRect(x1,y1,w1,h1); g.setColor(Color.red); MaestroG.subscripterSanSym3("Z","","02"," ","",g,12,x2,y2); MaestroG.subscripterSymFirst3("\u03b5","r","2","",g,12,x2,y2+20); g.setColor(Color.white); MaestroG.subscripter("Z","01"," ",g,12,x1-30,y2); g.setColor(Color.white); MaestroG.subscripter("Z","01"," ",g,12,x1+w1+20,y2); MaestroG.subscripterSymFirst3("\u03b5","r","1","",g,12,x1-30,y2+20); MaestroG.subscripterSymFirst3("\u03b5","r","1","",g,12,x1+w1+20,y2+20); } } private void drawAxis(Graphics g){ int ytmp; FontMetrics fm; Graphics2D g2d = (Graphics2D)g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); ytmp=y[0] + 15; g.setColor(Color.black); g.drawLine(x[4],ytmp,x[0],ytmp); g.drawLine(x[2],ytmp-4,x[2],ytmp+4); g.drawLine(x[3],ytmp-4,x[3],ytmp+4); //Arrowhead MaestroG.drawArrow(x[0],ytmp,8,g); g.setFont(TheFonts.sanSerif12); fm = g.getFontMetrics(); g.setColor(Color.white); MaestroG.subscripterSerIT("l","","",g,16,x[2],ytmp+fm.getHeight()+3); g.drawString("0",x[3]-4,ytmp+fm.getHeight()+3); MaestroG.subscripter("d","","",g,12,x[0],ytmp+fm.getHeight()+3); // print again because smoothed fonts wash out on dark MaestroG.subscripterSerIT("l","","",g,16,x[2],ytmp+fm.getHeight()+3); g.drawString("0",x[3]-4,ytmp+fm.getHeight()+3); MaestroG.subscripter("d","","",g,12,x[0],ytmp+fm.getHeight()+3); } private void drawStrings(Graphics g){ Graphics2D g2d = (Graphics2D)g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); String tmp; g.setColor(Color.white); g.setFont(TheFonts.sanSerif12); FontMetrics fm = g.getFontMetrics(); int xz0 = x[2]-50; int yz0 = getSize().height - 37; String temp = new String(" = "+MaestroA.rounder(state.getZ0old(),4)); MaestroG.subscripterSanSym2("Z","01",temp," \u03a9",g,12,xz0,yz0); int xzTR = (x[2]+x[3])/2-15; int yzTR = getSize().height - 37; if(state.getDrawTransformer1()){ MaestroG.subscripterSanSym2("Z","02"," = "+MaestroA.rounder(state.Z_transformer1,4)," \u03a9",g,12,xzTR,yzTR); } if(state.getDrawTransformer2()){ MaestroG.subscripterSanSym2("Z","02"," = "+MaestroA.rounder(state.Z_transformer2,4)," \u03a9",g,12,xzTR,yzTR); } int xzL0 = (x[2]+x[3])/2-15; int yzL0 = getSize().height - 55; if(Complex.Real(state.getZL())==0.0&&Complex.Imaginary(state.getZL())<=-2.0E140){ MaestroG.subscripter("Z","L"," = ( Open Circuit )",g,12,xzL0,yzL0); } else if(Complex.Real(state.getZL())==0.0&&Complex.Imaginary(state.getZL())==0.0){ MaestroG.subscripter("Z","L"," = 0 ( Short Circuit )",g,12,xzL0,yzL0); } else{ temp = new String(new Complex(MaestroA.rounder(Complex.Real(state.getZL()),4), MaestroA.rounder(Complex.Imaginary(state.getZL()),4))+""); MaestroG.subscripterSanSym2("Z","L"," = "+temp," \u03a9",g,12,xzL0,yzL0); } g.setColor(Color.white); // write frequency int x0 = x[2]-50; int x00 = x0+20; int y0 = getSize().height - 55; double f_normalized; frequency = state.frequency; if(frequency < 1.0E3){ f_normalized = frequency; g.drawString("= "+MaestroA.rounder(f_normalized,6)+" Hz",x00,y0); } else if(frequency < 1.0E6 && frequency >= 1.0E3 ){ f_normalized = frequency/1.0E3; g.drawString("= "+MaestroA.rounder(f_normalized,6)+" kHz",x00,y0); } else if(frequency < 1.0E9 && frequency >= 1.0E6 ){ f_normalized = frequency/1.0E6; g.drawString("= "+MaestroA.rounder(f_normalized,6)+" MHz",x00,y0); } else if(frequency < 1.0E12 && frequency >= 1.0E9 ){ f_normalized = frequency/1.0E9; g.drawString("= "+MaestroA.rounder(f_normalized,6)+" GHz",x00,y0); } else if(frequency < 1.0E15 && frequency >=1.0E12 ){ f_normalized = frequency/1.0E12; g.drawString("= "+MaestroA.rounder(f_normalized,6)+" THz",x00,y0); } else{ f_normalized = frequency/1.0E12; g.drawString("= "+MaestroA.rounder(f_normalized,6)+" THz",x00,y0); } MaestroG.subscripterSerIT(" f","","",g,12,x0,y0); int xeps1 = x[2]-50; int xeps2 = (x[2]+x[3])/2-15; int yeps = getSize().height - 20; MaestroG.subscripterSymFirst3("\u03b5","r", "1"," = "+MaestroA.rounder(state.epsilon_r1,4),g,12,xeps1,yeps); //if(state.getDrawTransformer1() || state.getDrawTransformer2()){ MaestroG.subscripterSymFirst3("\u03b5","r", "2"," = "+MaestroA.rounder(state.epsilon_r2,4),g,12,xeps2,yeps); //} } public void mouseClicked(MouseEvent evt){ } public void mouseEntered(MouseEvent evt){ IsFocusOn = true; repaint(); } public void mouseExited(MouseEvent evt){ IsFocusOn = false; repaint(); } public void mousePressed(MouseEvent evt){ } public void mouseReleased(MouseEvent evt){ } }//End of CircuitCanvs