// MaestroG.java /* A Java class for * TwoWire.java * Electromagnetic Transmission Line Applet * Applet without Smith Chart - Prepared by Umberto Ravaioli * for 6th edition of Fundamentals of Applied Electromagnetics Book * May 2009 - All Rights Reserved */ import java.awt.*; import java.lang.*; import java.awt.image.*; import java.awt.image.BufferedImage; import java.io.IOException; import javax.imageio.ImageIO; public class MaestroG{ public static boolean useBiggerFont = false; public static Font serifFont, sanSerifFont; MaestroG(){}; //tipo=1 arrow up // public static final void drawArrow(int x, int y, int tipo, Graphics g){ Graphics2D g2d = (Graphics2D)g; switch (tipo){ case 1://ArrowUp g.drawLine(x,y,x,y-8); g.drawLine(x-3,y-2,x+3,y-2); g.drawLine(x-2,y-3,x+2,y-3); g.drawLine(x-2,y-4,x+2,y-4); g.drawLine(x-1,y-5,x+1,y-5); g.drawLine(x-1,y-6,x+1,y-6); break; case 2://Down g.drawLine(x,y,x,y+8); g.drawLine(x-1,y+6,x+1,y+6); g.drawLine(x-1,y+5,x+1,y+5); g.drawLine(x-2,y+4,x+2,y+4); g.drawLine(x-2,y+3,x+2,y+3); g.drawLine(x-3,y+2,x+3,y+2); break; case 3://ArrowRight g.drawLine(x,y,x+8,y); g.drawLine(x+6,y-1,x+6,y+1); g.drawLine(x+5,y-1,x+5,y+1); g.drawLine(x+4,y-2,x+4,y+2); g.drawLine(x+3,y-2,x+3,y+2); g.drawLine(x+2,y-3,x+2,y+3); break; case 4://ArrowLeft g.drawLine(x,y,x-8,y); g.drawLine(x-2,y-3,x-2,y+3); g.drawLine(x-3,y-2,x-3,y+2); g.drawLine(x-4,y-2,x-4,y+2); g.drawLine(x-5,y-1,x-5,y+1); g.drawLine(x-6,y-1,x-6,y+1); break; case 5://ArrowUpSmooth g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.drawLine(x,y,x,y-8); //draw oblique arrow head Polygon pH = new Polygon(); pH.addPoint(x-2, y-2); pH.addPoint(x+2, y-2); pH.addPoint(x,y-8); g.drawPolygon(pH); g.fillPolygon(pH); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); break; case 6://ArrowDownSmooth g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.drawLine(x,y,x,y+8); //draw oblique arrow head Polygon pJ = new Polygon(); pJ.addPoint(x-2, y+2); pJ.addPoint(x+2, y+2); pJ.addPoint(x,y+8); g.drawPolygon(pJ); g.fillPolygon(pJ); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); break; case 7://ArrowRightSmooth g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.drawLine(x,y,x+8,y); //draw oblique arrow head Polygon pK = new Polygon(); pK.addPoint(x+2, y-2); pK.addPoint(x+2, y+2); pK.addPoint(x+8,y); g.drawPolygon(pK); g.fillPolygon(pK); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); break; case 8://ArrowLeftSmooth g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.drawLine(x,y,x-8,y); //draw oblique arrow head Polygon pL = new Polygon(); pL.addPoint(x-2, y-2); pL.addPoint(x-2, y+2); pL.addPoint(x-8,y); g.drawPolygon(pL); g.fillPolygon(pL); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); break; case 9://ArrowOblique 45 degrees NE g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); //draw oblique arrow head Polygon pM = new Polygon(); //draw oblique arrow head //pM.addPoint(x+6,y-6); //pM.addPoint(x-2,y-2); //pM.addPoint(x+2,y+2); pM.addPoint(x+5,y-5); pM.addPoint(x-1,y-2); pM.addPoint(x+2,y+1); g.drawPolygon(pM); g.fillPolygon(pM); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); break; } } public static final void drawArrowScaled(int x, int y, int tipo, double sfactor, Graphics g){ Graphics2D g2d = (Graphics2D)g; double s; s = sfactor; switch (tipo){ case 1://ArrowUpSmooth g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.drawLine(x,y-(int)(s*2),x,y+(int)(s*5)); //draw oblique arrow head Polygon pH = new Polygon(); pH.addPoint(x-(int)(s*2), y-(int)(s*2)); pH.addPoint(x+(int)(s*2), y-(int)(s*2)); pH.addPoint(x,y-(int)(s*7)); g.drawPolygon(pH); g.fillPolygon(pH); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); break; case 2://ArrowDownSmooth g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.drawLine(x,y+(int)(s*2),x,y-(int)(s*5)); //draw oblique arrow head Polygon pJ = new Polygon(); pJ.addPoint(x-(int)(s*2), y+(int)(s*2)); pJ.addPoint(x+(int)(s*2), y+(int)(s*2)); pJ.addPoint(x,y+(int)(s*7)); g.drawPolygon(pJ); g.fillPolygon(pJ); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); break; case 3://ArrowRightSmooth g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.drawLine(x+(int)(s*2),y,x-(int)(s*5),y); //draw oblique arrow head Polygon pK = new Polygon(); pK.addPoint(x+(int)(s*2), y-(int)(s*2)); pK.addPoint(x+(int)(s*2), y+(int)(s*2)); pK.addPoint(x+(int)(s*7),y); g.drawPolygon(pK); g.fillPolygon(pK); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); break; case 4://ArrowLeftSmooth g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.drawLine(x-(int)(s*2),y,x+(int)(s*5),y); //draw oblique arrow head Polygon pL = new Polygon(); pL.addPoint(x-(int)(s*2), y-(int)(s*2)); pL.addPoint(x-(int)(s*2), y+(int)(s*2)); pL.addPoint(x-(int)(s*7),y); g.drawPolygon(pL); g.fillPolygon(pL); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); break; case 5://ArrowOblique 45 degrees NE g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); //draw oblique arrow head Polygon pM = new Polygon(); //draw oblique arrow head //pM.addPoint(x+(int)(s*5),y-(int)(s*5)); // longer arrow pM.addPoint(x+(int)(s*4),y-(int)(s*4)); pM.addPoint(x-(int)(s*1),y-(int)(s*2)); pM.addPoint(x+(int)(s*2),y+(int)(s*1)); g.drawPolygon(pM); g.fillPolygon(pM); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); break; case 7://Larger ArrowRightSmooth g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); //g.drawLine(x,y,x+(int)(s*10),y); Polygon pR = new Polygon(); pR.addPoint(x, y-(int)(s*3)); pR.addPoint(x, y+(int)(s*3)); pR.addPoint(x+(int)(s*7),y); g.drawPolygon(pR); g.fillPolygon(pR); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); break; case 8://Larger ArrowLeftSmooth g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); //g.drawLine(x,y,x-(int)(s*10),y); Polygon pS = new Polygon(); pS.addPoint(x, y-(int)(s*3)); pS.addPoint(x, y+(int)(s*3)); pS.addPoint(x-(int)(s*7),y); g.drawPolygon(pS); g.fillPolygon(pS); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); break; case 9://ArrowUpSmooth g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); //g.drawLine(x,y,x,y-(int)(s*10)); Polygon pU = new Polygon(); pU.addPoint(x-(int)(s*3), y); pU.addPoint(x+(int)(s*3), y); pU.addPoint(x,y-(int)(s*7)); g.drawPolygon(pU); g.fillPolygon(pU); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); break; case 10://ArrowDownSmooth g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); //g.drawLine(x,y,x,y-(int)(s*10)); Polygon pD = new Polygon(); pD.addPoint(x-(int)(s*3), y); pD.addPoint(x+(int)(s*3), y); pD.addPoint(x,y+(int)(s*7)); g.drawPolygon(pD); g.fillPolygon(pD); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); break; } } public static void addComponent(Container container, Component component, int gridx, int gridy, int gridwidth, int gridheight, int fill, int anchor) throws AWTException{ LayoutManager lm = container.getLayout(); if(!(lm instanceof GridBagLayout)){ throw new AWTException ("Invalid layout"+lm); } else{ GridBagConstraints gbc = new GridBagConstraints(); gbc.gridx = gridx; gbc.gridy = gridy; gbc.gridwidth = gridwidth; gbc.gridheight = gridheight; gbc.fill = fill; gbc.anchor = anchor; ((GridBagLayout)lm).setConstraints(component, gbc); container.add(component); } } public static void subscripter(String str1, String str2, String str3, Graphics g, int fsize, int x, int y){ if (useBiggerFont) fsize += 2; FontMetrics fm; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str1,x,y); x = x + fm.stringWidth(str1) + 1; g.setFont(sanSerifFont.deriveFont((float)(fsize-2))); fm = g.getFontMetrics(); y = y + fm.getHeight()/3; g.drawString(str2,x,y); y = y - fm.getHeight()/3; x = x + fm.stringWidth(str2) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize)); g.drawString(str3,x,y); } public static void SubTxtTxtImg(String str1, String str2, String str3, BufferedImage img, Graphics g, int fsize, int x, int y, ImageObserver observer){ if (useBiggerFont) fsize += 2; FontMetrics fm; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str1,x,y); x = x + fm.stringWidth(str1) + 1; g.setFont(sanSerifFont.deriveFont((float)(fsize-2))); fm = g.getFontMetrics(); y = y + fm.getHeight()/3; g.drawString(str2,x,y); y = y - fm.getHeight()/3; x = x + fm.stringWidth(str2) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str3,x,y); x = x + fm.stringWidth(str3); g.drawImage(img,x-2,y-img.getHeight(),observer); } public static void subscripter2types(String str1, String str2, String str3, Graphics g, int fsize, int x, int y){ if (useBiggerFont) fsize += 2; FontMetrics fm; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str1,x,y); x = x + fm.stringWidth(str1) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize-2)); fm = g.getFontMetrics(); y = y + fm.getHeight()/3; g.drawString(str2,x,y); y = y - fm.getHeight()/3; x = x + fm.stringWidth(str2) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize-2)); fm = g.getFontMetrics(); g.drawString(str3,x,y); } public static void superscripter(String str1, String str2, String str3, Graphics g, int fsize, int x, int y){ if (useBiggerFont) fsize += 2; FontMetrics fm; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str1,x,y); x = x + fm.stringWidth(str1) + 1; g.setFont(sanSerifFont.deriveFont((float)(fsize-2))); fm = g.getFontMetrics(); y = y - fm.getHeight()/3; g.drawString(str2,x,y); y = y + fm.getHeight()/3; x = x + fm.stringWidth(str2) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize)); g.drawString(str3,x,y); } public static void drawCircle(int x, int y, int radius, Graphics g){ g.drawOval(x-radius/2,y-radius/2,radius,radius); } public static void fillCircle(int x, int y, int radius, Graphics g){ g.fillOval(x-radius/2,y-radius/2,radius,radius); } public static void subscripterInfinityOne(String str1, String str2, String str3, String str4, Graphics g, int fsize, int x, int y){ if (useBiggerFont) fsize += 2; FontMetrics fm; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str1,x,y); x = x + fm.stringWidth(str1) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize-2)); fm = g.getFontMetrics(); y = y + fm.getHeight()/3; g.drawString(str2,x,y); y = y - fm.getHeight()/3; x = x + fm.stringWidth(str2) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str3,x,y); x = x + fm.stringWidth(str3) + 1; //Change back to the actual symbol, but use extra-large font or infinity is too small //string str4 is not used g.setFont(serifFont.deriveFont((float)fsize+6)); fm = g.getFontMetrics(); g.drawString("\u221e",x,y); g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); } public static void subscripterInfinityTwo(String str1, String str2, String str3, String str4, String str5, Graphics g, int fsize, int x, int y){ if (useBiggerFont) fsize += 2; FontMetrics fm; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str1,x,y); x = x + fm.stringWidth(str1) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize-2)); fm = g.getFontMetrics(); y = y + fm.getHeight()/3; g.drawString(str2,x,y); y = y - fm.getHeight()/3; x = x + fm.stringWidth(str2) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str3,x,y); x = x + fm.stringWidth(str3) + 1; //Change back to the actual symbol, but use extra-large font or infinity is too small //string str4 is not used g.setFont(serifFont.deriveFont((float)fsize+6)); fm = g.getFontMetrics(); g.drawString("\u221e",x,y); x = x + fm.stringWidth("oo") + 1; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str5,x,y); } public static void subscripterInfinityThree(String str1, String str2, String str3, String str4, String str5, Graphics g, int fsize, int x, int y){ if (useBiggerFont) fsize += 2; FontMetrics fm; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str1,x,y); x = x + fm.stringWidth(str1) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize-2)); fm = g.getFontMetrics(); y = y + fm.getHeight()/3; g.drawString(str2,x,y); y = y - fm.getHeight()/3; x = x + fm.stringWidth(str2) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str3,x,y); x = x + fm.stringWidth(str3) + 1; //Change back to the actual symbol, but use extra-large font or infinity is too small //string str4 is not used g.setFont(serifFont.deriveFont((float)fsize+6)); fm = g.getFontMetrics(); g.drawString("\u221e",x,y); x = x + fm.stringWidth("oo") + 1; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str5,x,y); } public static void subscripterInfinitySymFirst(String str1, String str2, String str3, String str4, String str5, Graphics g, int fsize, int x, int y){ if (useBiggerFont) fsize += 2; FontMetrics fm; g.setFont(serifFont.deriveFont((float)fsize+1)); fm = g.getFontMetrics(); g.drawString(str1,x,y); x = x + fm.stringWidth(str1) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize-2)); fm = g.getFontMetrics(); y = y + fm.getHeight()/3; g.drawString(str2,x,y); y = y - fm.getHeight()/3; x = x + fm.stringWidth(str2) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str3,x,y); x = x + fm.stringWidth(str3) + 1; g.setFont(serifFont.deriveFont((float)fsize+6)); fm = g.getFontMetrics(); g.drawString("\u221e",x,y); x = x + fm.stringWidth("oo") + 1; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str5,x,y); } public static void subscripterSanSym2(String str1, String str2, String str3, String str4, Graphics g, int fsize, int x, int y){ if (useBiggerFont) fsize += 2; FontMetrics fm; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str1,x,y); x = x + fm.stringWidth(str1) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize-2)); fm = g.getFontMetrics(); y = y + fm.getHeight()/3; g.drawString(str2,x,y); y = y - fm.getHeight()/3; x = x + fm.stringWidth(str2) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str3,x,y); x = x + fm.stringWidth(str3) + 1; g.setFont(serifFont.deriveFont((float)fsize+3)); fm = g.getFontMetrics(); g.drawString(str4,x,y); } public static void subscripterSanSym(String str1, String str2, String str3, String str4, Graphics g, int fsize, int x, int y){ if (useBiggerFont) fsize += 2; FontMetrics fm; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str1,x,y); x = x + fm.stringWidth(str1) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize-2)); fm = g.getFontMetrics(); y = y + fm.getHeight()/3; g.drawString(str2,x,y); y = y - fm.getHeight()/3; x = x + fm.stringWidth(str2) + 1; g.setFont(serifFont.deriveFont((float)fsize+1)); fm = g.getFontMetrics(); g.drawString(str3,x,y); x = x + fm.stringWidth(str3) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str4,x,y); } public static void subscripterSymFirst2(String str1, String str2, String str3, Graphics g, int fsize, int x, int y){ if (useBiggerFont) fsize += 2; FontMetrics fm; //g.setFont(new Font("Serif",Font.PLAIN,fsize)); g.setFont(serifFont.deriveFont((float)fsize+1)); fm = g.getFontMetrics(); g.drawString(str1,x,y); x = x + fm.stringWidth(str1) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize-2)); fm = g.getFontMetrics(); y = y + fm.getHeight()/3; g.drawString(str2,x,y); y = y - fm.getHeight()/3; x = x + fm.stringWidth(str2) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str3,x,y); } public static void subscripterSymFirst2NEW(String str1, String str2, String str3, Graphics g, int fsize, int x, int y){ if (useBiggerFont) fsize += 2; FontMetrics fm; //g.setFont(new Font("Serif",Font.PLAIN,fsize)); //g.setFont(TheFonts.symbolFont.deriveFont((float)fsize+1)); g.setFont(new Font("Symbol",Font.PLAIN,fsize+1)); fm = g.getFontMetrics(); g.drawString(str1,x,y); x = x + fm.stringWidth(str1) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize-2)); fm = g.getFontMetrics(); y = y + fm.getHeight()/3; g.drawString(str2,x,y); y = y - fm.getHeight()/3; x = x + fm.stringWidth(str2) + 1; g.setFont(sanSerifFont.deriveFont((float)fsize)); fm = g.getFontMetrics(); g.drawString(str3,x,y); } }