// Instructions.java import java.awt.*; import java.awt.image.BufferedImage; import java.io.IOException; import javax.imageio.ImageIO; 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; getImages(); setLayout(null); setBackground(bgcolor); bupdate = new Button("CLOSE"); bupdate.setFont(new Font("SanSerif",Font.BOLD,state.font12)); bupdate.setBackground(new Color(240,240,255)); add(bupdate); int buttonx = 68*state.s900/100; int buttony = 72*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 flickering public void update(Graphics g){ 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.font16)); String s; int nextX; int xpos = state.s25; g.drawString("Instructions", xpos, state.s25); g.setColor(Color.red); g.setFont(new Font("SanSerif",Font.BOLD,state.font14)); g.drawString("Input", xpos,state.s50); g.setColor(Color.black); int deltaY = state.s20; int starty = state.s70; //INPUT //MaestroG.special3("\u2022 Antenna diameter ","d = ","2","a",g,state.font14,xpos,starty); MaestroG.ImgSpecial3(bullet," Antenna diameter ","d = ","2","a",g,state.font14,xpos,starty,this); //MaestroG.specialgreek("\u2022 Taper factor "," \u03b1","","",g,state.font14,xpos,starty+deltaY); MaestroG.ImgSpecialgreek(bullet," Taper factor "," \u03b1","","",g,state.font14,xpos,starty+deltaY,this); //OUTPUT g.setColor(Color.red); g.setFont(new Font("SanSerif",Font.BOLD,state.font14)); int newY = starty+2*deltaY+state.s10; g.drawString("Displayed Information", xpos,newY); g.setColor(Color.black); g.setFont(new Font("SanSerif",Font.PLAIN,state.font14)); newY += state.s20; //s = "\u2022 Radiation pattern"; //nextX = STR.displayString(s,g,xpos,newY); g.drawImage(bullet,xpos,newY-bullet.getHeight(),this); s = " Radiation pattern"; nextX = STR.displayString(s,g,xpos+bullet.getWidth(),newY); //MaestroG.special3("\u2022 Antenna Directivity ","D","","",g,state.font14,xpos,newY+deltaY); MaestroG.ImgSpecial3(bullet," Antenna Directivity ","D","","",g,state.font14,xpos,newY+deltaY,this); //MaestroG.specialgreek("\u2022 Antenna beamwidth ","\u03b2","","",g,state.font14,xpos,newY+2*deltaY); MaestroG.ImgSpecialgreek(bullet," Antenna beamwidth "," \u03b2","","",g,state.font14,xpos,newY+2*deltaY,this); //====================================================================== xpos = state.s300+state.s20; g.setFont(new Font("SanSerif",Font.PLAIN,state.font14)); s = "The small horn illuminates the dish antenna with:"; nextX = STR.displayString(s,g,xpos,2*deltaY); //====================================================================== //MaestroG.Formula1("E","~","a"," ( ","r","a ",")"," = ","E","0 ","["," 1 \u2212 ","\u03b1 "," r","a","___","a ","]", g, state.font16, xpos + state.s30,4*deltaY); // NEW: MaestroG.Formula1("E","~","a"," ( ","r","a ",")"," = ","E","0 ", "["," 1 - ","\u03b1 "," r","a","___","a ","]", g, state.font16, xpos + state.s30,4*deltaY); //MaestroG.special3("0 \u2264 "," \u03b1"," \u2264 1.0","",g,state.font14,xpos + state.s90,55*deltaY/10); MaestroG.Img2Special3("0",less_or_equal,"\u03b1",less_or_equal,"1.0",g,state.font14,xpos + state.s90,55*deltaY/10,this); // END OF EQUATION //====================================================================== MaestroG.special3("Uniform illumination (no taper): "," \u03b1"," = 0","",g,state.font14,xpos,75*deltaY/10); MaestroG.special3("Steepest taper: "," \u03b1"," = 1","",g,state.font14,xpos,87*deltaY/10); //g.drawImage(figure,state.s400+state.s35,8*deltaY,this); // SCALABLE FIGURE OF ANTENNA int xforw = state.s30; int xcenter = state.s40; int ycenter = state.s48; int myh = 20*getSize().height/100; int myw = 79*getSize().width/100; Color bluette = new Color(10,150,255); // LABELS AND AXIS MaestroG.subscripterSymbol3B("r","a","",g,state.font16,myw+xforw-state.s40, myh-state.s25); MaestroG.subscripter("0","","",g,state.font15,myw+xforw-state.s36, myh+ycenter+state.s4); MaestroG.subscripter("a","","",g,state.font15,myw+xforw-state.s36, myh+state.s4); MaestroG.drawLineThick(g, myw+xforw-state.s5, (double)(myh)+ycenter, (double)(myw)+xforw-state.s25, (double)(myh)+ycenter, 1, Color.gray.brighter()); MaestroG.drawLineThick(g, myw+xforw-state.s15, (double)(myh), (double)(myw)+xforw-state.s25, (double)(myh), 1, Color.gray.brighter()); MaestroG.drawLineThick(g, myw+xforw-state.s20, (double)(myh)+ycenter+state.s5 , (double)(myw)+xforw-state.s20, (double)(myh)-state.s20, 1, new Color(0,200,0)); MaestroG.drawArrowScaled(myw+xforw-state.s20,myh-state.s20, 1, state.sfactor, g); //====================================================================== // PARABOLOID MaestroG.drawArcThick(g, (double)(myw)+xforw, (double)(myh), (double)state.s70, (double)state.s100, 110.0, 140.0, state.s2, Color.black); g.setColor(Color.white); g.fillRect(myw+state.s9+xforw, myh-state.s13, state.s100, state.s150); MaestroG.drawLineThick(g, (double)(myw)+state.s7+xforw, (double)(myh+state.s80), (double)(myw)+state.s25+xforw, (double)(myh)+state.s110, state.s2, Color.black); MaestroG.drawLineThick(g, (double)(myw)+state.s7+xforw, (double)(myh)+state.s17, (double)(myw)+state.s25+xforw, (double)(myh)-state.s13, state.s2, Color.black); g.setColor(Color.white); g.fillRect(myw+state.s18+xforw, myh-state.s20, state.s100, state.s180); //====================================================================== // FEEDER MaestroG.drawBendThickA(g, (double)(myw)+xforw+xcenter+state.s4, (double)(myh)+ycenter, (double)(myw)+xforw+xcenter+state.s18, (double)(myh)+ycenter, (double)(myw)+xforw+xcenter-state.s23, (double)(myh)+2*ycenter+state.s20, state.s4+2, Color.black); MaestroG.drawLineThick(g, (double)(myw)+xforw+xcenter+state.s3, (double)(myh)+ycenter-state.s2-1, (double)(myw)+xforw+xcenter, (double)(myh)+ycenter-state.s5-1, 1, Color.black); MaestroG.drawLineThick(g, (double)(myw)+xforw+xcenter+state.s3, (double)(myh)+ycenter+state.s2+1, (double)(myw)+xforw+xcenter, (double)(myh)+ycenter+state.s5+1, 1, Color.black); MaestroG.drawBendThickA(g, (double)(myw)+xforw+xcenter+state.s1, (double)(myh)+ycenter, (double)(myw)+xforw+xcenter+state.s18, (double)(myh)+ycenter, (double)(myw)+xforw+xcenter-state.s23, (double)(myh)+2*ycenter+state.s20, state.s4, Color.white); //shorten feeder g.setColor(Color.white); g.fillRect(myw+xforw+xcenter-state.s35, myh+2*ycenter+state.s15, state.s30, state.s30); //====================================================================== // RAYS MaestroG.drawLineThick(g, myw+state.s9+xforw, (double)(myh)+state.s17, (double)(myw)+xforw+xcenter, (double)(myh)+ycenter, 1, bluette); MaestroG.drawLineThick(g, myw+state.s9+xforw, (double)(myh)+state.s80, (double)(myw)+xforw+xcenter, (double)(myh)+ycenter, 1, bluette); MaestroG.drawLineThick(g, myw+state.s5+xforw, (double)(myh)+state.s27, (double)(myw)+xforw+xcenter, (double)(myh)+ycenter, 1, bluette); MaestroG.drawLineThick(g, myw+state.s5+xforw, (double)(myh)+state.s70, (double)(myw)+xforw+xcenter, (double)(myh)+ycenter, 1, bluette); MaestroG.drawLineThick(g, myw+state.s3+xforw, (double)(myh)+state.s37, (double)(myw)+xforw+xcenter, (double)(myh)+ycenter, 1, bluette); MaestroG.drawLineThick(g, myw+state.s3+xforw, (double)(myh)+state.s60, (double)(myw)+xforw+xcenter, (double)(myh)+ycenter, 1, bluette); MaestroG.drawLineThick(g, myw+state.s9+xforw, (double)(myh)+state.s17, (double)(myw)+state.s120+xforw, (double)(myh)+state.s17, 1, bluette); MaestroG.drawLineThick(g, myw+state.s9+xforw, (double)(myh)+state.s80, (double)(myw)+state.s120+xforw, (double)(myh)+state.s80, 1, bluette); MaestroG.drawLineThick(g, myw+state.s5+xforw, (double)(myh)+state.s27, (double)(myw)+state.s120+xforw, (double)(myh)+state.s27, 1, bluette); MaestroG.drawLineThick(g, myw+state.s5+xforw, (double)(myh)+state.s70, (double)(myw)+state.s120+xforw, (double)(myh)+state.s70, 1, bluette); MaestroG.drawLineThick(g, myw+state.s3+xforw, (double)(myh)+state.s37, (double)(myw)+state.s120+xforw, (double)(myh)+state.s37, 1, bluette); MaestroG.drawLineThick(g, myw+state.s3+xforw, (double)(myh)+state.s60, (double)(myw)+state.s120+xforw, (double)(myh)+state.s60, 1, bluette); g.setColor(bluette); MaestroG.drawArrowScaled((myw)+state.s120+xforw, (myh)+state.s17, 3, state.sfactor, g); MaestroG.drawArrowScaled((myw)+state.s120+xforw, (myh)+state.s27, 3, state.sfactor, g); MaestroG.drawArrowScaled((myw)+state.s120+xforw, (myh)+state.s37, 3, state.sfactor, g); MaestroG.drawArrowScaled((myw)+state.s120+xforw, (myh)+state.s60, 3, state.sfactor, g); MaestroG.drawArrowScaled((myw)+state.s120+xforw, (myh)+state.s70, 3, state.sfactor, g); MaestroG.drawArrowScaled((myw)+state.s120+xforw, (myh)+state.s80, 3, state.sfactor, g); //====================================================================== drawCopyRight(g); } public void drawCopyRight(Graphics g) { int deltaY = state.s25; int startingY = getSize().height - state.s90; int startingX = 0; deltaY = state.s20; 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.s15,startingY + deltaY + deltaY/2); String s = "Interactive Java"+STR.SUP+"TM"+STR.ENDSUP+ " platform: www.amanogawa.com"; int nextX = STR.displayString(s,g,startingX+state.s15,startingY+2*deltaY+ deltaY/2); int lineLength = fm.stringWidth("Interactive JavaTM platform: www.amanogawa.com"); lineLength += state.s10; g.drawString("All Rights Reserved",startingX + state.s15,startingY + 3*deltaY+ deltaY/2); g.drawLine(startingX,startingY + state.s5, startingX+15+lineLength+state.s10,startingY+state.s5); g.drawLine(startingX+15+lineLength+state.s10,startingY+state.s5, startingX+15+lineLength+state.s10,startingY+4*deltaY+ deltaY/2); } //---------------------------------------------------------------------------------------- }//End