// Instructions.java import java.io.*; import java.awt.*; import java.awt.geom.GeneralPath; import java.awt.image.BufferedImage; import javax.imageio.ImageIO; import java.io.IOException; public class Instructions extends Panel { //private static final Color bgcolor = new Color(236,236,236); private static final Color bgcolor = Color.white; public TextField epsilon; private Paint paint; private Image im; private Graphics buf; private BufferedImage figure; //Mod1State state; public Button bupdate; NewGuide_State state; private BufferedImage bullet, less_or_equal; public Instructions(NewGuide_State state){ super(); this.state = state; setLayout(null); getImages(); setBackground(bgcolor); bupdate = new Button("CLOSE"); bupdate.setBackground(new Color(240,240,255)); bupdate.setFont(new Font("SanSerif",Font.PLAIN,state.font12)); add(bupdate); int buttonx = 65*state.s900/100; int buttony = 75*state.s300/100; int buttonwide = state.s70; int buttonheight = state.s27; bupdate.setBounds(buttonx,buttony,buttonwide,buttonheight); Panel ps7 = new Panel(); ps7.setBackground(Color.lightGray); add(ps7); ps7.setBounds(buttonx-1,buttony-1,buttonwide+2,buttonheight+2); Panel ps8 = new Panel(); ps8.setBackground(Color.black); add(ps8); ps8.setBounds(buttonx-2,buttony-2,buttonwide+4,buttonheight+4); } private void getImages() { // read in the bullet image, because CHEERPJ does not render this // symbol in any font! (java to javascript converter) try { //bullet = ImageIO.read(getClass().getResource("bullet.png")); BufferedImage img = ImageIO.read(getClass().getResource("bullet.png")); int targetWidth = (int) (state.sfactor * img.getWidth()); int targetHeight = (int) (state.sfactor * img.getHeight()); bullet = new BufferedImage(targetWidth, targetHeight, BufferedImage.TYPE_INT_RGB); Graphics2D graphics2D = bullet.createGraphics(); graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); graphics2D.drawImage(img, 0, 0, targetWidth, targetHeight, 0, 0, img.getWidth(), img.getHeight(), null); graphics2D.dispose(); img = ImageIO.read(getClass().getResource("less_or_equal.png")); targetWidth = (int) (state.sfactor * img.getWidth()); targetHeight = (int) (state.sfactor * img.getHeight()); less_or_equal = new BufferedImage(targetWidth, targetHeight, BufferedImage.TYPE_INT_RGB); graphics2D = less_or_equal.createGraphics(); graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); graphics2D.drawImage(img, 0, 0, targetWidth, targetHeight, 0, 0, img.getWidth(), img.getHeight(), null); graphics2D.dispose(); } catch (IOException e) { e.printStackTrace(); } } public void paint(Graphics g){ if(im == null){ im = createImage(getSize().width,getSize().height); buf = im.getGraphics(); drawCanvas(buf); } else{ drawCanvas(buf); } g.drawImage(im,0,0,null); } //Addition to reduce flicker new routine public void update(Graphics g){ // added to avoid clearing paint(g); } public void clear(){ this.getGraphics().clearRect(0,0,getSize().width,getSize().height); repaint(); } public void drawCanvas(Graphics g){ FontMetrics fm; Graphics2D g2d = (Graphics2D)g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.clearRect(0,0,getSize().width-1,getSize().height-1); g.setColor(Color.black); g.setFont(new Font("SanSerif",Font.BOLD,state.font14)); try { figure = ImageIO.read(getClass().getResource("mod9.7.gif")); } catch (IOException e) { e.printStackTrace(); } g.drawString("Instructions", state.s20,state.s25); String s; int nextX; int xstart = state.s20; //g.drawImage(figure,state.s700+state.s50,state.s50,this); g.setColor(Color.red); g.setFont(new Font("SanSerif",Font.BOLD,state.font15)); g.drawString("Assumptions", state.s20,state.s50); g.setColor(Color.black); g.setFont(new Font("SanSerif",Font.PLAIN,state.font14)); int deltaY = state.s17; //ASSUMPTIONS //s = "\u2022 array elements are identical"; //nextX = STR.displayString(s,g,state.s20,state.s70); g.drawImage(bullet,state.s20,state.s70-bullet.getHeight(),this); s = " array elements are identical"; nextX = STR.displayString(s,g,state.s20+bullet.getWidth(),state.s70); //s = "\u2022 array elements fed with equal amplitudes and phases"; //nextX = STR.displayString(s,g,state.s20,state.s70+deltaY); g.drawImage(bullet,state.s20,state.s70+deltaY-bullet.getHeight(),this); s = " array elements fed with equal amplitudes and phases"; nextX = STR.displayString(s,g,state.s20+bullet.getWidth(),state.s70+deltaY); //s = "\u2022 array elements equally spaced"; //nextX = STR.displayString(s,g,state.s20,state.s70+2*deltaY); g.drawImage(bullet,state.s20,state.s70+2*deltaY-bullet.getHeight(),this); s = " array elements equally spaced"; nextX = STR.displayString(s,g,state.s20+bullet.getWidth(),state.s70+2*deltaY); g.setColor(Color.red); g.setFont(new Font("SanSerif",Font.BOLD,state.font15)); int newY = state.s70+3*deltaY+state.s5; g.drawString("Input",state.s20,newY); g.setColor(Color.black); g.setFont(new Font("SanSerif",Font.PLAIN,state.font14)); //INPUT newY += state.s23; //s = "\u2022 Number of array elements "+STR.ITAL+"N"+STR.ENDITAL+ // " (1 \u2264 "+STR.ITAL+"N"+STR.ENDITAL+" \u2264 6)"; //nextX = STR.displayString(s,g,state.s20,newY); g.drawImage(bullet,state.s20,newY-bullet.getHeight(),this); s = " Number of array elements "+STR.ITAL+"N"+STR.ENDITAL+" (1"; nextX = STR.displayString(s,g,state.s20+bullet.getWidth(),newY); MaestroG.ImgTxtImgTxt(less_or_equal,"N",less_or_equal, " 6)",g,state.font14,nextX,newY,this); //s = "\u2022 Type of element"; //nextX = STR.displayString(s,g,state.s20,newY+deltaY); g.drawImage(bullet,state.s20,newY+deltaY-bullet.getHeight(),this); s = " Type of element"; nextX = STR.displayString(s,g,state.s20+bullet.getWidth(),newY+deltaY); s = " - Dipole with length \u03bb/2, or"; nextX = STR.displayString(s,g,state.s20,newY+2*deltaY); s = " - Dish with diameter = 2\u03bb."; nextX = STR.displayString(s,g,state.s20,newY+3*deltaY); //s = "\u2022 Interelement spacing (0.25\u03bb \u2264 "+ // STR.ITAL+"d"+STR.ENDITAL+" \u2264 \u03bb)"; //nextX = STR.displayString(s,g,state.s20,newY+4*deltaY); g.drawImage(bullet,state.s20,newY+4*deltaY-bullet.getHeight(),this); s = " Interelement spacing (0.25\u03bb"; nextX = STR.displayString(s,g,state.s20+bullet.getWidth(),newY+4*deltaY); MaestroG.ImgTxtImgTxt(less_or_equal,"d",less_or_equal, "\u03bb)",g,state.font14,nextX,newY+4*deltaY,this); //OUTPUT g.setColor(Color.red); g.setFont(new Font("SanSerif",Font.BOLD,state.font15)); //newY = newY+6*deltaY+state.s40; newY = state.s50; deltaY = state.s22; g.drawString("Displayed Information", state.s400+state.s25,newY); g.setColor(Color.black); g.setFont(new Font("SanSerif",Font.PLAIN,state.font14)); newY += state.s20; //s = "\u2022 Element radiation pattern F"+STR.SUB+"e"+STR.ENDSUB+ // "(\u03b8)"; //nextX = STR.displayString(s,g,state.s400+state.s25,newY); g.drawImage(bullet,state.s400+state.s25,newY-bullet.getHeight(),this); s = " Element radiation pattern F"+STR.SUB+"e"+STR.ENDSUB+ "(\u03b8)"; nextX = STR.displayString(s,g,state.s400+state.s25+bullet.getWidth(),newY); //s = "\u2022 Array Pattern F"+STR.SUB+"a"+STR.ENDSUB+"(\u03b8)"; //nextX = STR.displayString(s,g,state.s400+state.s25,newY+deltaY); g.drawImage(bullet,state.s400+state.s25,newY+deltaY-bullet.getHeight(),this); s = " Array Pattern F"+STR.SUB+"a"+STR.ENDSUB+"(\u03b8)"; nextX = STR.displayString(s,g,state.s400+state.s25+bullet.getWidth(),newY+deltaY); //s = "\u2022 Antenna array pattern F(\u03b8) = F"+ // STR.SUB+"e"+STR.ENDSUB+"(\u03b8)F"+ // STR.SUB+"a"+STR.ENDSUB+"(\u03b8)"; //nextX = STR.displayString(s,g,state.s400+state.s25,newY+2*deltaY); g.drawImage(bullet,state.s400+state.s25,newY+2*deltaY-bullet.getHeight(),this); s = " Antenna array pattern F(\u03b8) = F"+ STR.SUB+"e"+STR.ENDSUB+"(\u03b8)F"+ STR.SUB+"a"+STR.ENDSUB+"(\u03b8)"; nextX = STR.displayString(s,g,state.s400+state.s25+bullet.getWidth(),newY+2*deltaY); //s = "\u2022 Associated directivities and beamwidths"; //nextX = STR.displayString(s,g,state.s400+state.s25,newY+3*deltaY); g.drawImage(bullet,state.s400+state.s25,newY+3*deltaY-bullet.getHeight(),this); s = " Associated directivities and beamwidths"; nextX = STR.displayString(s,g,state.s400+state.s25+bullet.getWidth(),newY+3*deltaY); //====================================================================== int thick = state.s1; int thickA = state.s1; int x1 = state.s800+state.s70; int y1 = state.s50; int x2 = x1 - state.s10; int y2 = y1 + state.s10; int x3 = x2 - state.s15; int y3 = y2; int x4 = x3; int y4 = y3 +state.s5; int x5 = x4 + state.s15; int y5 = y4; int x6 = x5 + state.s10; int y6 = y5 + state.s10; g2d.setStroke(new BasicStroke(thick,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND)); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g2d.setPaint(Color.black); GeneralPath s1 = new GeneralPath(); s1.moveTo((float)(x1),(float)y1); s1.lineTo((float)(x2),(float)(y2)); s1.lineTo((float)(x3),(float)(y3)); s1.lineTo((float)(x4),(float)(y4)); s1.lineTo((float)(x5),(float)(y5)); s1.lineTo((float)(x6),(float)(y6)); //s1.closePath(); //g2d.fill(s1); g2d.draw(s1); int moveY2 = state.s30; GeneralPath s2 = new GeneralPath(); s2.moveTo((float)(x1),(float)y1+moveY2); s2.lineTo((float)(x2),(float)(y2+moveY2)); s2.lineTo((float)(x3),(float)(y3+moveY2)); s2.lineTo((float)(x4),(float)(y4+moveY2)); s2.lineTo((float)(x5),(float)(y5+moveY2)); s2.lineTo((float)(x6),(float)(y6+moveY2)); //s1.closePath(); //g2d.fill(s2); g2d.draw(s2); int moveY3 = state.s60; GeneralPath s3 = new GeneralPath(); s3.moveTo((float)(x1),(float)y1+moveY3); s3.lineTo((float)(x2),(float)(y2+moveY3)); s3.lineTo((float)(x3),(float)(y3+moveY3)); s3.lineTo((float)(x4),(float)(y4+moveY3)); s3.lineTo((float)(x5),(float)(y5+moveY3)); s3.lineTo((float)(x6),(float)(y6+moveY3)); //s1.closePath(); //g2d.fill(s3); g2d.draw(s3); int moveY4 = state.s90; GeneralPath s4 = new GeneralPath(); s4.moveTo((float)(x1),(float)y1+moveY4); s4.lineTo((float)(x2),(float)(y2+moveY4)); s4.lineTo((float)(x3),(float)(y3+moveY4)); s4.lineTo((float)(x4),(float)(y4+moveY4)); s4.lineTo((float)(x5),(float)(y5+moveY4)); s4.lineTo((float)(x6),(float)(y6+moveY4)); //s1.closePath(); //g2d.fill(s4); g2d.draw(s4); int moveY5 = state.s120; GeneralPath s5 = new GeneralPath(); s5.moveTo((float)(x1),(float)y1+moveY5); s5.lineTo((float)(x2),(float)(y2+moveY5)); s5.lineTo((float)(x3),(float)(y3+moveY5)); s5.lineTo((float)(x4),(float)(y4+moveY5)); s5.lineTo((float)(x5),(float)(y5+moveY5)); s5.lineTo((float)(x6),(float)(y6+moveY5)); //s1.closePath(); //g2d.fill(s5); g2d.draw(s5); thickA = state.s1-1; MaestroG.drawLineThick(g, x2-state.s50, (y3+y4)/2, x2-state.s50, (y3+y4)/2+moveY5, thickA, Color.black); MaestroG.drawLineThick(g, x3, (y3+y4)/2, x2-state.s50, (y3+y4)/2, thickA, Color.black); MaestroG.drawLineThick(g, x3, (y3+y4)/2+moveY5, x2-state.s50, (y3+y4)/2+moveY5, thickA, Color.black); MaestroG.drawLineThick(g, x3, (y3+y4)/2+moveY3, x2-state.s100, (y3+y4)/2+moveY3, thickA, Color.black); MaestroG.drawLineThick(g, x2-state.s90, (y3+y4)/2, x2-state.s100, (y3+y4)/2, thickA, Color.black); MaestroG.drawLineThick(g, x2-state.s90, (y3+y4)/2+moveY2, x2-state.s100, (y3+y4)/2+moveY2, thickA, Color.black); MaestroG.drawLineThick(g, x2-state.s90, (y3+y4)/2+moveY4, x2-state.s100, (y3+y4)/2+moveY4, thickA, Color.black); MaestroG.drawLineThick(g, x2-state.s90, (y3+y4)/2+moveY5, x2-state.s100, (y3+y4)/2+moveY5, thickA, Color.black); thick = state.s1; thickA = state.s1; g.setFont(new Font("Serif",Font.ITALIC,state.font14)); g.drawString("d", x2-state.s100,y1+moveY2); g.drawString("d", x2-state.s100,y1+moveY3); g.drawString("d", x2-state.s100,y1+moveY4); g.drawString("d", x2-state.s100,y1+moveY5); //====================================================================== drawCopyRight(g); } public void drawCopyRight(Graphics g) { int deltaY = state.s20; int startingY = getSize().height - state.s70; int startingX = 0; FontMetrics fm; g.setColor(Color.black); g.setColor(Color.black); g.setFont(new Font("SanSerif",Font.PLAIN,state.font14)); fm = g.getFontMetrics(); g.drawString("Application Design: Umberto Ravaioli",startingX+state.s20,startingY+deltaY); String s = "Interactive Java"+STR.SUP+"TM"+STR.ENDSUP+" platform: www.amanogawa.com"; int nextX = STR.displayString(s,g,startingX+state.s20,startingY+2*deltaY); int lineLength = fm.stringWidth("Interactive JavaTM platform: www.amanogawa.com"); lineLength+= state.s10; g.drawString("All Rights Reserved",startingX+state.s20,startingY+3*deltaY); g.drawLine(startingX,startingY+state.s5, startingX+state.s20+lineLength+state.s10,startingY+state.s5); g.drawLine(startingX+state.s20+lineLength+state.s10,startingY+state.s5, startingX+state.s20+lineLength+state.s10,startingY+4*deltaY); } //---------------------------------------------------------------------------------------- }//End