Shamusworld >> Repos - architektonas/blob - src/actions/actiondrawimage.cpp

   1 // actiondrawimage.cpp
   2 //
   3 // Part of the Architektonas Project
   4 // Originally part of QCad Community Edition by Andrew Mustun
   5 // Extensively rewritten and refactored by James L. Hammons
   6 // Portions copyright (C) 2001-2003 RibbonSoft
   7 // Copyright (C) 2010 Underground Software
   8 // See the README and GPLv2 files for licensing and warranty information
   9 //
  10 // JLH = James L. Hammons <jlhamm@acm.org>
  11 //
  12 // Who  When        What
  13 // ---  ----------  -----------------------------------------------------------
  14 // JLH  05/22/2010  Added this text. :-)
  15 //
  16
  17 #include "actiondrawimage.h"
  18
  19 #include "commandevent.h"
  20 #include "creation.h"
  21 #include "dialogfactory.h"
  22 #include "graphicview.h"
  23 #include "preview.h"
  24
  25 /**
  26  * Constructor.
  27  */
  28 ActionDrawImage::ActionDrawImage(EntityContainer & container, GraphicView & graphicView):
  29         ActionInterface("Image", container, graphicView)
  30 {
  31 }
  32
  33 ActionDrawImage::~ActionDrawImage()
  34 {
  35 }
  36
  37 /*virtual*/ RS2::ActionType ActionDrawImage::rtti()
  38 {
  39         return RS2::ActionDrawImage;
  40 }
  41
  42 void ActionDrawImage::init(int status)
  43 {
  44         ActionInterface::init(status);
  45
  46         reset();
  47
  48         data.file = DIALOGFACTORY->requestImageOpenDialog();
  49         graphicView->redraw();
  50
  51         if (!data.file.isEmpty())
  52         {
  53                 //std::cout << "file: " << data.file << "\n";
  54
  55                 img = QImage(data.file);
  56                 setStatus(SetTargetPoint);
  57         }
  58         else
  59         {
  60                 finish();
  61                 updateToolBar();
  62                 //DIALOGFACTORY->requestToolBar(RS2::ToolBarMain);
  63         }
  64 }
  65
  66 void ActionDrawImage::reset()
  67 {
  68         data = ImageData(0,
  69                         Vector(0.0, 0.0),
  70                         Vector(1.0, 0.0),
  71                         Vector(0.0, 1.0),
  72                         Vector(1.0, 1.0),
  73                         "",
  74                         50, 50, 0);
  75 }
  76
  77 void ActionDrawImage::trigger()
  78 {
  79         deleteSnapper();
  80         deletePreview();
  81         clearPreview();
  82
  83         if (!data.file.isEmpty())
  84         {
  85                 Creation creation(container, graphicView);
  86                 creation.createImage(data);
  87         }
  88
  89         graphicView->redraw();
  90         finish();
  91         updateToolBar();
  92 }
  93
  94 void ActionDrawImage::mouseMoveEvent(QMouseEvent * e)
  95 {
  96         switch (getStatus())
  97         {
  98         case SetTargetPoint:
  99                 data.insertionPoint = snapPoint(e);
 100
 101 //              deletePreview();
 102 //              clearPreview();
 103 //              Line * line;
 104 //              line = new Line(preview, LineData(Vector(0, 0), Vector(img.width(), 0)));
 105 //              preview->addEntity(line);
 106 //              line = new Line(preview,
 107 //                      LineData(Vector(img.width(), 0), Vector(img.width(), img.height())));
 108 //              preview->addEntity(line);
 109 //              line = new Line(preview,
 110 //                      LineData(Vector(img.width(), img.height()), Vector(0, img.height())));
 111 //              preview->addEntity(line);
 112 //              line = new Line(preview, LineData(Vector(0, img.height()), Vector(0, 0)));
 113 //              preview->addEntity(line);
 114 //              preview->scale(Vector(0, 0), Vector(data.uVector.magnitude(), data.uVector.magnitude()));
 115 //              preview->rotate(Vector(0, 0), data.uVector.angle());
 116 //              preview->move(data.insertionPoint);
 117 //
 118 //              drawPreview();
 119                 break;
 120
 121         default:
 122                 break;
 123         }
 124 }
 125
 126 void ActionDrawImage::mouseReleaseEvent(QMouseEvent * e)
 127 {
 128         if (e->button() == Qt::LeftButton)
 129         {
 130                 Vector ce(snapPoint(e));
 131                 coordinateEvent(&ce);
 132         }
 133         else if (e->button() == Qt::RightButton)
 134         {
 135                 deleteSnapper();
 136                 finish();
 137         }
 138 }
 139
 140 void ActionDrawImage::coordinateEvent(Vector * e)
 141 {
 142         if (!e)
 143                 return;
 144
 145         data.insertionPoint = *e;
 146         trigger();
 147 }
 148
 149 void ActionDrawImage::commandEvent(CommandEvent * e)
 150 {
 151         QString c = e->getCommand().toLower();
 152
 153         if (checkCommand("help", c))
 154         {
 155                 DIALOGFACTORY->commandMessage(msgAvailableCommands()
 156                         + getAvailableCommands().join(", "));
 157                 return;
 158         }
 159
 160         switch (getStatus())
 161         {
 162         case SetTargetPoint:
 163
 164                 if (checkCommand("angle", c))
 165                 {
 166                         deleteSnapper();
 167                         deletePreview();
 168                         clearPreview();
 169                         lastStatus = (Status)getStatus();
 170                         setStatus(SetAngle);
 171                 }
 172                 else if (checkCommand("factor", c))
 173                 {
 174                         deleteSnapper();
 175                         deletePreview();
 176                         clearPreview();
 177                         lastStatus = (Status)getStatus();
 178                         setStatus(SetFactor);
 179                 }
 180                 break;
 181
 182         case SetAngle:
 183         {
 184                 bool ok;
 185                 double a = Math::eval(c, &ok);
 186
 187                 if (ok)
 188                         setAngle(Math::deg2rad(a));
 189                 else
 190                         DIALOGFACTORY->commandMessage(tr("Not a valid expression"));
 191
 192                 DIALOGFACTORY->requestOptions(this, true, true);
 193                 setStatus(lastStatus);
 194         }
 195         break;
 196
 197         case SetFactor:
 198         {
 199                 bool ok;
 200                 double f = Math::eval(c, &ok);
 201
 202                 if (ok)
 203                         setFactor(f);
 204                 else
 205                         DIALOGFACTORY->commandMessage(tr("Not a valid expression"));
 206
 207                 DIALOGFACTORY->requestOptions(this, true, true);
 208                 setStatus(lastStatus);
 209         }
 210         break;
 211
 212         default:
 213                 break;
 214         }
 215 }
 216
 217 QStringList ActionDrawImage::getAvailableCommands()
 218 {
 219         QStringList cmd;
 220
 221         switch (getStatus())
 222         {
 223         case SetTargetPoint:
 224                 cmd += command("angle");
 225                 cmd += command("factor");
 226                 break;
 227
 228         default:
 229                 break;
 230         }
 231
 232         return cmd;
 233 }
 234
 235 void ActionDrawImage::showOptions()
 236 {
 237         ActionInterface::showOptions();
 238
 239         DIALOGFACTORY->requestOptions(this, true);
 240 }
 241
 242 void ActionDrawImage::hideOptions()
 243 {
 244         ActionInterface::hideOptions();
 245
 246         DIALOGFACTORY->requestOptions(this, false);
 247 }
 248
 249 void ActionDrawImage::updateMouseButtonHints()
 250 {
 251         switch (getStatus())
 252         {
 253         case SetTargetPoint:
 254                 DIALOGFACTORY->updateMouseWidget(tr("Specify reference point"), tr("Cancel"));
 255                 break;
 256
 257         case SetAngle:
 258                 DIALOGFACTORY->updateMouseWidget(tr("Enter angle:"), "");
 259                 break;
 260
 261         case SetFactor:
 262                 DIALOGFACTORY->updateMouseWidget(tr("Enter factor:"), "");
 263                 break;
 264
 265         default:
 266                 DIALOGFACTORY->updateMouseWidget("", "");
 267                 break;
 268         }
 269 }
 270
 271 void ActionDrawImage::updateMouseCursor()
 272 {
 273         graphicView->setMouseCursor(RS2::CadCursor);
 274 }
 275
 276 void ActionDrawImage::updateToolBar()
 277 {
 278         if (!isFinished())
 279                 DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 280         else
 281                 DIALOGFACTORY->requestToolBar(RS2::ToolBarMain);
 282 }
 283
 284 double ActionDrawImage::getAngle()
 285 {
 286         return data.uVector.angle();
 287 }
 288
 289 void ActionDrawImage::setAngle(double a)
 290 {
 291         double l = data.uVector.magnitude();
 292         data.uVector.setPolar(l, a);
 293         data.vVector.setPolar(l, a + M_PI / 2);
 294 }
 295
 296 double ActionDrawImage::getFactor()
 297 {
 298         return data.uVector.magnitude();
 299 }
 300
 301 void ActionDrawImage::setFactor(double f)
 302 {
 303         double a = data.uVector.angle();
 304         data.uVector.setPolar(f, a);
 305         data.vVector.setPolar(f, a + M_PI / 2);
 306 }
 307