| 1 | // Copyright (C) 2006 Erik Dahlberg |
| 2 | // |
| 3 | // This file is part of LSystem3d. |
| 4 | // |
| 5 | // LSystem3D is free software; you can redistribute it and/or |
| 6 | // modify it under the terms of the GNU General Public License |
| 7 | // as published by the Free Software Foundation; either version 2 |
| 8 | // of the License, or (at your option) any later version. |
| 9 | // |
| 10 | // LSystem3D is distributed in the hope that it will be useful, |
| 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | // GNU General Public License for more details. |
| 14 | // |
| 15 | // You should have received a copy of the GNU General Public License |
| 16 | // along with LSystem3D; if not, write to the Free Software |
| 17 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | |
| 20 | |
| 21 | |
| 22 | #include <map> |
| 23 | #include <string> |
| 24 | |
| 25 | #include "fx.h" |
| 26 | |
| 27 | #include "gui.h" |
| 28 | #include "lindenmayersystem.h" |
| 29 | #include "lsystemparameters.h" |
| 30 | #include "renderingsurface.h" |
| 31 | |
| 32 | |
| 33 | |
| 34 | // message map |
| 35 | FXDEFMAP(GUI) GUIMap[] = |
| 36 | { |
| 37 | FXMAPFUNC(SEL_COMMAND, GUI::ID_GENERATE, GUI::onGenerateButtonPressed) |
| 38 | }; |
| 39 | |
| 40 | // macro to set up class implementation |
| 41 | FXIMPLEMENT(GUI, FXMainWindow, GUIMap, ARRAYNUMBER(GUIMap)) |
| 42 | |
| 43 | |
| 44 | |
| 45 | /** |
| 46 | * Constructor |
| 47 | * @param application the FOX application object |
| 48 | * @param renderingSurface the rendering surface |
| 49 | * @param lsystem the Lindenmayer-system |
| 50 | */ |
| 51 | GUI::GUI(FXApp *application, RenderingSurface *renderingSurface, LindenmayerSystem *lsystem) : FXMainWindow(application, "LSystem3D" , NULL, NULL, DECOR_ALL, 920, 100, 0, 0) |
| 52 | { |
| 53 | _lsystem = lsystem; |
| 54 | _renderingSurface = renderingSurface; |
| 55 | |
| 56 | |
| 57 | // create the widgets |
| 58 | |
| 59 | // the main frame |
| 60 | FXVerticalFrame *mainFrame = new FXVerticalFrame(this, LAYOUT_FILL_X); |
| 61 | |
| 62 | // axiom |
| 63 | FXHorizontalFrame *axiomFrame = new FXHorizontalFrame(mainFrame, LAYOUT_FILL_X); |
| 64 | new FXLabel(axiomFrame, "Axiom:"); |
| 65 | _axiomTextField = new FXTextField(axiomFrame, 10, NULL, 0, LAYOUT_FILL_X); |
| 66 | |
| 67 | // rules |
| 68 | FXHorizontalFrame *rulesFrame = new FXHorizontalFrame(mainFrame, LAYOUT_FILL_X); |
| 69 | new FXLabel(rulesFrame, "Rules:"); |
| 70 | _rulesText = new FXText(rulesFrame, NULL, 0, LAYOUT_FILL_X); |
| 71 | _rulesText->setVisibleColumns(30); |
| 72 | _rulesText->setVisibleRows(10); |
| 73 | |
| 74 | // angle |
| 75 | FXHorizontalFrame *angleFrame = new FXHorizontalFrame(mainFrame); |
| 76 | new FXLabel(angleFrame, "Angle:"); |
| 77 | _angleRealSpinner = new FXRealSpinner(angleFrame, 5); |
| 78 | |
| 79 | // iterations |
| 80 | FXHorizontalFrame *iterationsFrame = new FXHorizontalFrame(mainFrame); |
| 81 | new FXLabel(iterationsFrame, "Iterations:"); |
| 82 | _iterationsSpinner = new FXSpinner(iterationsFrame, 5); |
| 83 | |
| 84 | // diameter |
| 85 | FXHorizontalFrame *diameterFrame = new FXHorizontalFrame(mainFrame); |
| 86 | new FXLabel(diameterFrame, "Diameter:"); |
| 87 | _diameterRealSpinner = new FXRealSpinner(diameterFrame, 5); |
| 88 | _diameterRealSpinner->setValue(0.2); |
| 89 | _diameterRealSpinner->setIncrement(0.1); |
| 90 | |
| 91 | // diameter factor |
| 92 | new FXLabel(diameterFrame, "Factor:"); |
| 93 | _diameterFactorRealSpinner = new FXRealSpinner(diameterFrame, 5); |
| 94 | _diameterFactorRealSpinner->setValue(0.8); |
| 95 | _diameterFactorRealSpinner->setIncrement(0.1); |
| 96 | |
| 97 | // separator |
| 98 | new FXHorizontalSeparator(mainFrame, SEPARATOR_RIDGE | LAYOUT_FILL_X); |
| 99 | |
| 100 | // generate |
| 101 | new FXButton(mainFrame, "&Generate", NULL, this, GUI::ID_GENERATE); |
| 102 | |
| 103 | |
| 104 | |
| 105 | // load L-system parameters from file and sync with GUI |
| 106 | |
| 107 | _lsystemParameters.load(_lsystem, "lsystem.xml"); |
| 108 | |
| 109 | // axiom |
| 110 | _axiomTextField->setText(_lsystem->getAxiom().c_str()); |
| 111 | |
| 112 | // rules |
| 113 | map<string,string> allRulesSrc = _lsystem->getRules(); |
| 114 | string allRulesDst; |
| 115 | for (map<string,string>::iterator currentRule = allRulesSrc.begin(); |
| 116 | currentRule != allRulesSrc.end(); |
| 117 | currentRule++) |
| 118 | { |
| 119 | // one rule |
| 120 | string rule = currentRule->first + "=" + currentRule->second + '\n'; |
| 121 | allRulesDst += rule.c_str(); |
| 122 | } |
| 123 | _rulesText->setText(allRulesDst.c_str(), allRulesDst.size()); |
| 124 | |
| 125 | // angle |
| 126 | _angleRealSpinner->setValue(_lsystem->getAngle()); |
| 127 | |
| 128 | // iterations |
| 129 | _iterationsSpinner->setValue(_lsystem->getNumIterations()); |
| 130 | } |
| 131 | |
| 132 | |
| 133 | |
| 134 | /** |
| 135 | * Create and initialize the window |
| 136 | */ |
| 137 | void GUI::create() |
| 138 | { |
| 139 | // create the window and make it appear |
| 140 | FXMainWindow::create(); |
| 141 | show(); |
| 142 | } |
| 143 | |
| 144 | |
| 145 | |
| 146 | /** |
| 147 | * Called by the system when the "generate"-button is pressed |
| 148 | * @param sender the sender object |
| 149 | * @param selector message type and id |
| 150 | * @param data event related data |
| 151 | * @return |
| 152 | */ |
| 153 | long GUI::onGenerateButtonPressed(FXObject *sender, FXSelector selector, void *data) |
| 154 | { |
| 155 | // clear L-system |
| 156 | _lsystem->clear(); |
| 157 | |
| 158 | |
| 159 | // load data from widgets into L-system |
| 160 | |
| 161 | // axiom |
| 162 | _lsystem->setAxiom(_axiomTextField->getText().text()); |
| 163 | |
| 164 | // rules |
| 165 | string ruleSet = _rulesText->getText().text(); |
| 166 | string currentRule; |
| 167 | string ruleName; |
| 168 | bool newRule = true; |
| 169 | for (int i = 0; i < ruleSet.size(); i++) |
| 170 | { |
| 171 | if (newRule) |
| 172 | { |
| 173 | // get rule name |
| 174 | ruleName = ruleSet[i]; |
| 175 | i += 2; |
| 176 | newRule = false; |
| 177 | } |
| 178 | |
| 179 | if (ruleSet[i] != '\n' || i == ruleSet.size() - 1) |
| 180 | { |
| 181 | // part of current rule |
| 182 | currentRule += ruleSet[i]; |
| 183 | } |
| 184 | |
| 185 | if (ruleSet[i] == '\n' || i == ruleSet.size() - 1) |
| 186 | { |
| 187 | // end of rule |
| 188 | _lsystem->setRule(ruleName, currentRule); |
| 189 | ruleName.clear(); |
| 190 | currentRule.clear(); |
| 191 | newRule = true; |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | // angle |
| 196 | _lsystem->setAngle(_angleRealSpinner->getValue()); |
| 197 | |
| 198 | // iterations |
| 199 | _lsystem->setNumIterations(_iterationsSpinner->getValue()); |
| 200 | |
| 201 | // diameter |
| 202 | _lsystem->setDiameter(_diameterRealSpinner->getValue()); |
| 203 | |
| 204 | // diameter factor |
| 205 | _lsystem->setDiameterFactor(_diameterFactorRealSpinner->getValue()); |
| 206 | |
| 207 | |
| 208 | // generate and render L-system to screen |
| 209 | _lsystem->generate(); |
| 210 | _renderingSurface->draw(); |
| 211 | } |