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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3653 | schaersvoo | 1 | /* Copyright (C) 1998 XIAO, Gang of Universite de Nice - Sophia Antipolis |
| 2 | * |
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| 3 | * This program is free software; you can redistribute it and/or modify |
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| 4 | * it under the terms of the GNU General Public License as published by |
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| 5 | * the Free Software Foundation; either version 2 of the License, or |
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| 6 | * (at your option) any later version. |
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| 7 | * |
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| 8 | * This program is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | * GNU General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU General Public License |
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| 14 | * along with this program; if not, write to the Free Software |
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| 15 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 16 | */ |
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| 17 | /* |
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| 18 | slightly modified [crippled] by jm.evers |
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| 19 | applet does not send any data to wims.... |
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| 20 | */ |
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| 21 | |||
| 22 | import java.awt.event.*; |
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| 23 | import java.awt.*; |
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| 24 | import java.applet.*; |
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| 25 | import java.net.*; |
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| 26 | import java.applet.*; |
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| 27 | import java.util.Vector; |
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| 28 | |||
| 29 | public class noninput extends Applet{ |
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| 30 | inp_panel panel; |
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| 31 | inp_controls controls; |
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| 32 | Image bg; |
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| 33 | Color bgcolor; |
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| 34 | /* String replystring; |
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| 35 | public static String prompt="OK"; |
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| 36 | public static String retry="Erase";*/ |
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| 37 | URL backurl; |
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| 38 | |||
| 39 | public void init() { |
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| 40 | URL url; |
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| 41 | String parmstr; |
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| 42 | parmstr=getParameter("type"); |
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| 43 | if(parmstr!=null && parmstr.length()>0) { |
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| 44 | parmstr.toLowerCase(); parmstr.trim(); |
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| 45 | if(parmstr.compareTo("curve")==0) inp_panel.ctype=inp_panel.CURVE; |
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| 46 | if(parmstr.compareTo("rectangle")==0) inp_panel.ctype=inp_panel.RECT; |
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| 47 | if(parmstr.compareTo("rect")==0) inp_panel.ctype=inp_panel.RECT; |
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| 48 | if(parmstr.compareTo("circle")==0) inp_panel.ctype=inp_panel.CIRCLE; |
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| 49 | if(parmstr.compareTo("lines")==0) inp_panel.ctype=inp_panel.LINES; |
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| 50 | if(parmstr.compareTo("segments")==0) inp_panel.ctype=inp_panel.LINES; |
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| 51 | if(parmstr.compareTo("line")==0) inp_panel.ctype=inp_panel.LINE; |
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| 52 | if(parmstr.compareTo("sline")==0) inp_panel.ctype=inp_panel.SLINE; |
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| 53 | if(parmstr.compareTo("semiline")==0) inp_panel.ctype=inp_panel.SLINE; |
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| 54 | if(parmstr.compareTo("seg")==0) inp_panel.ctype=inp_panel.SEG; |
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| 55 | if(parmstr.compareTo("segment")==0) inp_panel.ctype=inp_panel.SEG; |
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| 56 | if(parmstr.compareTo("poly")==0) inp_panel.ctype=inp_panel.POLY; |
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| 57 | if(parmstr.compareTo("polygon")==0) inp_panel.ctype=inp_panel.POLY; |
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| 58 | if(parmstr.compareTo("points")==0) inp_panel.ctype=inp_panel.POINTS; |
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| 59 | } |
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| 60 | |||
| 61 | parmstr=getParameter("background"); |
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| 62 | if (parmstr!=null && parmstr.length()>0) { |
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| 63 | try {url=new URL(parmstr);} |
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| 64 | catch (MalformedURLException e) {url=null;} |
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| 65 | if(url!=null) bg=getImage(url); |
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| 66 | else bg=null; |
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| 67 | } |
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| 68 | else bg=null; |
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| 69 | |||
| 70 | parmstr=getParameter("bgcolor"); |
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| 71 | if(parmstr!=null && parmstr.length()>0) { |
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| 72 | bgcolor=Color.decode(parmstr); |
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| 73 | if(bgcolor==null) bgcolor=Color.white; |
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| 74 | } |
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| 75 | else bgcolor=Color.white; |
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| 76 | |||
| 77 | |||
| 78 | /* parmstr=getParameter("retry"); |
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| 79 | if(parmstr!=null && parmstr.length()>0) { |
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| 80 | retry=parmstr; |
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| 81 | }*/ |
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| 82 | |||
| 83 | /* parmstr=getParameter("prompt"); |
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| 84 | if(parmstr!=null && parmstr.length()>0) { |
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| 85 | prompt=parmstr; |
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| 86 | }*/ |
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| 87 | |||
| 88 | setLayout(new BorderLayout()); |
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| 89 | panel=new inp_panel(bgcolor,bg); |
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| 90 | controls=new inp_controls(panel,this); |
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| 91 | add("Center", panel); |
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| 92 | /*add("South",controls);*/ |
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| 93 | } |
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| 94 | |||
| 95 | public void destroy() { |
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| 96 | remove(panel); |
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| 97 | /*remove(controls);*/ |
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| 98 | } |
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| 99 | |||
| 100 | public static void main(String args[]) { |
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| 101 | Frame f=new Frame("input"); |
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| 102 | noninput noninput=new noninput(); |
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| 103 | noninput.init(); |
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| 104 | noninput.start(); |
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| 105 | |||
| 106 | f.add("Center", noninput); |
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| 107 | f.setVisible(true); |
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| 108 | } |
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| 109 | |||
| 110 | public String getAppletInfo() { |
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| 111 | return "Curve input program for WIMS."; |
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| 112 | } |
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| 113 | } |
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| 114 | |||
| 115 | class inp_panel extends Panel implements MouseListener, MouseMotionListener { |
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| 116 | public static final int CURVE=0, RECT=1, CIRCLE=2, LINES=3, LINE=4, |
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| 117 | SLINE=5,SEG=6,POLY=7,POINTS=8; |
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| 118 | public static int ctype; |
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| 119 | static int ll=4; |
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| 120 | Image bg; |
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| 121 | Vector lines=new Vector(16384); |
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| 122 | int x1,y1; |
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| 123 | int x2,y2; |
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| 124 | int radius; |
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| 125 | int drag; |
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| 126 | int st; |
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| 127 | |||
| 128 | public inp_panel(Color bgcolor,Image gotbg) { |
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| 129 | setBackground(bgcolor); |
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| 130 | setForeground(Color.black); |
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| 131 | bg=gotbg; |
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| 132 | addMouseMotionListener(this); |
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| 133 | addMouseListener(this); |
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| 134 | st=0; |
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| 135 | } |
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| 136 | |||
| 137 | /* public String points2string(String rep) { |
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| 138 | StringBuffer buf=new StringBuffer(16384); |
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| 139 | buf.append(rep); |
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| 140 | switch(ctype) { |
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| 141 | case POLY: |
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| 142 | case POINTS: |
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| 143 | case LINES: |
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| 144 | case CURVE: { |
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| 145 | int i, np; |
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| 146 | Point p=null; |
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| 147 | np=lines.size(); |
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| 148 | for(i=0;i<np;i++) { |
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| 149 | p=(Point)lines.elementAt(i); |
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| 150 | buf.append(p.x).append(",").append(p.y).append(";"); |
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| 151 | } |
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| 152 | break; |
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| 153 | } |
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| 154 | case SLINE: |
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| 155 | case LINE: |
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| 156 | case SEG: |
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| 157 | case RECT: { |
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| 158 | if(st>0) { |
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| 159 | buf.append(x1).append(",").append(y1).append(",").append(x2).append(",").append(y2); |
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| 160 | } |
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| 161 | break; |
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| 162 | } |
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| 163 | case CIRCLE: { |
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| 164 | if(st>0) { |
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| 165 | buf.append(x1).append(",").append(y1).append(",").append(radius); |
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| 166 | } |
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| 167 | break; |
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| 168 | } |
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| 169 | } |
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| 170 | return buf.toString(); |
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| 171 | } |
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| 172 | */ |
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| 173 | public void retry() { |
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| 174 | lines.removeAllElements(); |
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| 175 | st=0; repaint(); |
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| 176 | } |
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| 177 | |||
| 178 | public void mouseDragged(MouseEvent e) { |
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| 179 | int t=lines.size(); |
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| 180 | int dr; |
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| 181 | e.consume(); |
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| 182 | switch(ctype) { |
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| 183 | case CURVE: { |
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| 184 | if(t<2000) { |
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| 185 | x1=e.getX(); y1=e.getY(); |
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| 186 | lines.addElement(new Point(x1, y1)); |
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| 187 | repaint(); |
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| 188 | } |
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| 189 | st=2; return; |
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| 190 | } |
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| 191 | default: { |
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| 192 | dr=drag; mouseMoved(e); drag=dr+1; |
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| 193 | return; |
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| 194 | } |
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| 195 | } |
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| 196 | } |
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| 197 | |||
| 198 | public void mouseMoved(MouseEvent e) { |
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| 199 | e.consume(); drag=0; |
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| 200 | switch(ctype) { |
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| 201 | case POLY: |
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| 202 | case POINTS: |
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| 203 | case LINES: |
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| 204 | case CURVE: { |
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| 205 | if(st==0) return; else st=1; |
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| 206 | x2=e.getX(); y2=e.getY(); break; |
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| 207 | } |
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| 208 | case CIRCLE: |
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| 209 | case SLINE: |
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| 210 | case LINE: |
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| 211 | case SEG: |
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| 212 | case RECT: { |
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| 213 | if(st!=1) return; |
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| 214 | x2=e.getX(); y2=e.getY(); |
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| 215 | radius=(int) Math.sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1)); |
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| 216 | break; |
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| 217 | } |
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| 218 | default: return; |
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| 219 | } |
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| 220 | if(ctype!=POINTS) repaint(); |
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| 221 | } |
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| 222 | |||
| 223 | public void mousePressed(MouseEvent e) { |
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| 224 | e.consume(); |
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| 225 | switch(ctype) { |
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| 226 | case CURVE: { |
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| 227 | if(st>0) return; |
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| 228 | x1=e.getX(); y1=e.getY(); x2=x1; y2=y1; |
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| 229 | lines.removeAllElements(); |
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| 230 | lines.addElement(new Point(x1,y1)); |
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| 231 | repaint(); st=2; |
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| 232 | return; |
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| 233 | } |
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| 234 | case POLY: |
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| 235 | case POINTS: |
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| 236 | case LINES: { |
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| 237 | x2=e.getX(); y2=e.getY(); |
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| 238 | if(st==0) lines.removeAllElements(); |
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| 239 | lines.addElement(new Point(x2,y2)); |
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| 240 | st=1; x1=x2; y1=y2; repaint(); return; |
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| 241 | } |
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| 242 | case CIRCLE: |
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| 243 | case SLINE: |
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| 244 | case LINE: |
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| 245 | case SEG: |
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| 246 | case RECT: { |
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| 247 | x2=e.getX(); y2=e.getY(); |
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| 248 | switch(st) { |
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| 249 | case 2: |
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| 250 | case 0: x1=x2; y1=y2; radius=0; st=1; repaint(); return; |
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| 251 | case 1: { |
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| 252 | radius=(int) Math.sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1)); |
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| 253 | st=2; return; |
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| 254 | } |
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| 255 | } |
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| 256 | break; |
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| 257 | } |
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| 258 | default: return; |
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| 259 | } |
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| 260 | } |
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| 261 | |||
| 262 | public void mouseReleased(MouseEvent e) { |
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| 263 | e.consume(); |
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| 264 | switch(ctype) { |
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| 265 | case CURVE: { |
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| 266 | if(st==2) return; |
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| 267 | x2=e.getX(); y2=e.getY(); |
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| 268 | if(st==0) lines.removeAllElements(); |
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| 269 | lines.addElement(new Point(x2,y2)); |
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| 270 | st=1; x1=x2; y1=y2; |
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| 271 | return; |
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| 272 | } |
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| 273 | case POINTS: return; |
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| 274 | default: { |
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| 275 | if(st>0 && drag>=8) mousePressed(e); |
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| 276 | return; |
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| 277 | } |
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| 278 | } |
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| 279 | } |
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| 280 | |||
| 281 | public void mouseEntered(MouseEvent e) { |
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| 282 | } |
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| 283 | |||
| 284 | public void mouseExited(MouseEvent e) { |
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| 285 | if(ctype!=CURVE && ctype!=LINES && ctype!=POLY) return; |
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| 286 | e.consume(); |
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| 287 | x2=x1; y2=y1; if(st>0) repaint(); |
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| 288 | } |
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| 289 | |||
| 290 | public void mouseClicked(MouseEvent e) { |
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| 291 | } |
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| 292 | |||
| 293 | public void paint(Graphics g) { |
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| 294 | int np=lines.size(); |
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| 295 | Point pp; |
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| 296 | |||
| 297 | if(bg!=null) g.drawImage(bg,0,0,this); |
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| 298 | switch(ctype) { |
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| 299 | case POINTS: { |
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| 300 | if(np>0) for (int i=0; i < np; i++) |
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| 301 | pointPaint(g,(Point)lines.elementAt(i)); |
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| 302 | break; |
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| 303 | } |
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| 304 | case POLY: |
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| 305 | case CURVE: |
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| 306 | case LINES: { |
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| 307 | if(np>0) { |
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| 308 | pp=(Point)lines.elementAt(0); |
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| 309 | for (int i=1; i < np; i++) { |
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| 310 | Point p=(Point)lines.elementAt(i); |
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| 311 | g.drawLine(pp.x, pp.y, p.x, p.y); |
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| 312 | pp=p; |
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| 313 | } |
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| 314 | if (st==1) g.drawLine(x1, y1, x2, y2); |
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| 315 | } |
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| 316 | if(ctype==POLY && np>1) { |
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| 317 | Point p1=(Point)lines.elementAt(0); |
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| 318 | Point p2=(Point)lines.elementAt(np-1); |
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| 319 | if(st==0) g.drawLine(p1.x,p1.y,p2.x,p2.y); |
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| 320 | else g.drawLine(p1.x,p1.y,x2,y2); |
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| 321 | } |
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| 322 | break; |
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| 323 | } |
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| 324 | case SEG: |
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| 325 | case SLINE: |
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| 326 | case LINE: |
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| 327 | case RECT: { |
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| 328 | if(st>0) { |
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| 329 | int xx1,yy1,xx2,yy2; |
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| 330 | int X1,Y1,X2,Y2,max; |
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| 331 | xx1=Math.min(x1,x2); yy1=Math.min(y1,y2); |
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| 332 | xx2=Math.max(x1,x2); yy2=Math.max(y1,y2); |
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| 333 | max=Math.max(Math.abs(x2-x1),Math.abs(y2-y1)); |
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| 334 | if(max<10) max=10; |
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| 335 | max=500/max+1; |
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| 336 | switch(ctype) { |
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| 337 | case RECT: g.drawRect(xx1,yy1,xx2-xx1,yy2-yy1); break; |
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| 338 | case SLINE: { |
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| 339 | g.fillOval(x1-2,y1-2,4,4); |
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| 340 | g.drawLine(x1,y1,max*x2-(max-1)*x1,max*y2-(max-1)*y1); break; |
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| 341 | } |
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| 342 | case LINE: { |
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| 343 | g.fillOval(x1-2,y1-2,4,4); |
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| 344 | g.fillOval(x2-2,y2-2,4,4); |
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| 345 | g.drawLine(max*x1-(max-1)*x2,max*y1-(max-1)*y2, |
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| 346 | max*x2-(max-1)*x1,max*y2-(max-1)*y1); break; |
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| 347 | } |
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| 348 | case SEG: g.drawLine(x1,y1,x2,y2); break; |
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| 349 | } |
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| 350 | } |
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| 351 | break; |
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| 352 | } |
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| 353 | case CIRCLE: { |
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| 354 | if(st>0) { |
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| 355 | pointPaint(g,new Point(x1,y1)); |
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| 356 | g.drawOval(x1-radius,y1-radius,radius*2,radius*2); |
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| 357 | } |
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| 358 | break; |
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| 359 | } |
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| 360 | } |
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| 361 | } |
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| 362 | |||
| 363 | void pointPaint(Graphics g, Point p) { |
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| 364 | g.drawLine(p.x-ll,p.y+ll,p.x+ll,p.y-ll); |
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| 365 | g.drawLine(p.x+ll,p.y+ll,p.x-ll,p.y-ll); |
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| 366 | } |
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| 367 | } |
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| 368 | |||
| 369 | |||
| 370 | class inp_controls extends Panel implements ActionListener { |
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| 371 | noninput ci; |
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| 372 | inp_panel targ; |
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| 373 | Button retry, ok; |
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| 374 | |||
| 375 | public inp_controls(inp_panel pan, noninput cci) { |
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| 376 | this.ci=cci; |
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| 377 | targ=pan; |
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| 378 | setLayout(new GridLayout()); |
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| 379 | setBackground(Color.white); |
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| 380 | /* retry=new Button(noninput.retry);*/ |
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| 381 | /* retry.addActionListener(this);*/ |
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| 382 | /*ok=new Button(noninput.prompt); |
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| 383 | ok.addActionListener(this); |
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| 384 | add(retry); add(ok);*/ |
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| 385 | } |
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| 386 | public void actionPerformed(ActionEvent e) { |
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| 387 | Object src=e.getSource(); |
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| 388 | if(src == retry) targ.retry(); |
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| 389 | } |
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| 390 | } |