[2768] | 1 | using System;
|
---|
| 2 | using System.Diagnostics;
|
---|
| 3 | using System.Drawing;
|
---|
| 4 | using System.ComponentModel;
|
---|
| 5 | using System.Windows.Forms;
|
---|
| 6 | using System.Drawing.Drawing2D;
|
---|
| 7 | namespace Netron.Diagramming.Core
|
---|
| 8 | {
|
---|
| 9 | // ----------------------------------------------------------------------
|
---|
| 10 | /// <summary>
|
---|
| 11 | /// Abstract base class for shapes.
|
---|
| 12 | /// </summary>
|
---|
| 13 | // ----------------------------------------------------------------------
|
---|
| 14 | public abstract partial class ShapeBase : DiagramEntityBase, IShape
|
---|
| 15 | {
|
---|
| 16 | #region Fields
|
---|
| 17 |
|
---|
| 18 | // ------------------------------------------------------------------
|
---|
| 19 | /// <summary>
|
---|
| 20 | /// Implementation of IVersion - the current version of
|
---|
| 21 | /// ShapeBase.
|
---|
| 22 | /// </summary>
|
---|
| 23 | // ------------------------------------------------------------------
|
---|
| 24 | protected const double shapeBaseVersion = 1.0;
|
---|
| 25 |
|
---|
| 26 | // ------------------------------------------------------------------
|
---|
| 27 | /// <summary>
|
---|
| 28 | /// Specifies if connectors are drawn.
|
---|
| 29 | /// </summary>
|
---|
| 30 | // ------------------------------------------------------------------
|
---|
| 31 | protected bool mShowConnectors = true;
|
---|
| 32 |
|
---|
| 33 | // ------------------------------------------------------------------
|
---|
| 34 | /// <summary>
|
---|
| 35 | /// The collection of Connectors onto which you can attach a
|
---|
| 36 | /// connection.
|
---|
| 37 | /// </summary>
|
---|
| 38 | // ------------------------------------------------------------------
|
---|
| 39 | protected CollectionBase<IConnector> mConnectors;
|
---|
| 40 |
|
---|
| 41 | protected bool mIsFixed = false;
|
---|
| 42 |
|
---|
| 43 | #endregion
|
---|
| 44 |
|
---|
| 45 | #region Properties
|
---|
| 46 |
|
---|
| 47 | // ------------------------------------------------------------------
|
---|
| 48 | /// <summary>
|
---|
| 49 | /// Gets the current version.
|
---|
| 50 | /// </summary>
|
---|
| 51 | // ------------------------------------------------------------------
|
---|
| 52 | public override double Version
|
---|
| 53 | {
|
---|
| 54 | get
|
---|
| 55 | {
|
---|
| 56 | return shapeBaseVersion;
|
---|
| 57 | }
|
---|
| 58 | }
|
---|
| 59 |
|
---|
| 60 | // ------------------------------------------------------------------
|
---|
| 61 | /// <summary>
|
---|
| 62 | /// Gets the image for this shape when displaying in a library (i.e.
|
---|
| 63 | /// toolbox).
|
---|
| 64 | /// </summary>
|
---|
| 65 | // ------------------------------------------------------------------
|
---|
| 66 | public virtual Image LibraryImage
|
---|
| 67 | {
|
---|
| 68 | get
|
---|
| 69 | {
|
---|
| 70 | return null;
|
---|
| 71 | }
|
---|
| 72 | }
|
---|
| 73 |
|
---|
| 74 | // ------------------------------------------------------------------
|
---|
| 75 | /// <summary>
|
---|
| 76 | /// Gets or sets if the connectors are drawn.
|
---|
| 77 | /// </summary>
|
---|
| 78 | // ------------------------------------------------------------------
|
---|
| 79 | public bool ShowConnectors
|
---|
| 80 | {
|
---|
| 81 | get
|
---|
| 82 | {
|
---|
| 83 | return this.mShowConnectors;
|
---|
| 84 | }
|
---|
| 85 | set
|
---|
| 86 | {
|
---|
| 87 | bool oldValue = mShowConnectors;
|
---|
| 88 | this.mShowConnectors = value;
|
---|
| 89 | if (oldValue != value)
|
---|
| 90 | {
|
---|
| 91 | Invalidate();
|
---|
| 92 | }
|
---|
| 93 | RaiseOnChange(this, new EntityEventArgs(this));
|
---|
| 94 | }
|
---|
| 95 | }
|
---|
| 96 |
|
---|
| 97 | // ------------------------------------------------------------------
|
---|
| 98 | /// <summary>
|
---|
| 99 | /// Gets or sets the canvas to which the entity belongs
|
---|
| 100 | /// </summary>
|
---|
| 101 | /// <value></value>
|
---|
| 102 | // ------------------------------------------------------------------
|
---|
| 103 | public override IModel Model
|
---|
| 104 | {
|
---|
| 105 | get
|
---|
| 106 | {
|
---|
| 107 | return base.Model;
|
---|
| 108 | }
|
---|
| 109 | set
|
---|
| 110 | {
|
---|
| 111 | base.Model = value;
|
---|
| 112 | if (Connectors == null)
|
---|
| 113 | throw new InconsistencyException("The connectors collection is 'null'.");
|
---|
| 114 | foreach (IConnector con in Connectors)
|
---|
| 115 | {
|
---|
| 116 | con.Model = value;
|
---|
| 117 | }
|
---|
| 118 | }
|
---|
| 119 | }
|
---|
| 120 |
|
---|
| 121 | // ------------------------------------------------------------------
|
---|
| 122 | /// <summary>
|
---|
| 123 | /// Gets or sets the Connectors attached to this shape.
|
---|
| 124 | /// </summary>
|
---|
| 125 | // ------------------------------------------------------------------
|
---|
| 126 | public CollectionBase<IConnector> Connectors
|
---|
| 127 | {
|
---|
| 128 | get { return mConnectors; }
|
---|
| 129 | set { mConnectors = value; }
|
---|
| 130 | }
|
---|
| 131 |
|
---|
| 132 | // ------------------------------------------------------------------
|
---|
| 133 | /// <summary>
|
---|
| 134 | /// Gets or sets the width of the bundle
|
---|
| 135 | /// </summary>
|
---|
| 136 | // ------------------------------------------------------------------
|
---|
| 137 | [Browsable(true),
|
---|
| 138 | Description("The width of the shape"),
|
---|
| 139 | Category("Layout")]
|
---|
| 140 | public int Width
|
---|
| 141 | {
|
---|
| 142 | get
|
---|
| 143 | {
|
---|
| 144 | return this.mRectangle.Width;
|
---|
| 145 | }
|
---|
| 146 | set
|
---|
| 147 | {
|
---|
| 148 | Transform(
|
---|
| 149 | this.Rectangle.X,
|
---|
| 150 | this.Rectangle.Y,
|
---|
| 151 | value,
|
---|
| 152 | this.Height);
|
---|
| 153 | }
|
---|
| 154 | }
|
---|
| 155 |
|
---|
| 156 | // ------------------------------------------------------------------
|
---|
| 157 | /// <summary>
|
---|
| 158 | /// Gets or sets the height of the bundle
|
---|
| 159 | /// </summary>
|
---|
| 160 | // ------------------------------------------------------------------
|
---|
| 161 | [Browsable(true),
|
---|
| 162 | Description("The height of the shape"),
|
---|
| 163 | Category("Layout")]
|
---|
| 164 | public int Height
|
---|
| 165 | {
|
---|
| 166 | get
|
---|
| 167 | {
|
---|
| 168 | return this.mRectangle.Height;
|
---|
| 169 | }
|
---|
| 170 | set
|
---|
| 171 | {
|
---|
| 172 | Transform(
|
---|
| 173 | this.Rectangle.X,
|
---|
| 174 | this.Rectangle.Y,
|
---|
| 175 | this.Width,
|
---|
| 176 | value);
|
---|
| 177 | }
|
---|
| 178 | }
|
---|
| 179 |
|
---|
| 180 | // ------------------------------------------------------------------
|
---|
| 181 | /// <summary>
|
---|
| 182 | /// the x-coordinate of the upper-left corner
|
---|
| 183 | /// </summary>
|
---|
| 184 | // ------------------------------------------------------------------
|
---|
| 185 | [Browsable(true),
|
---|
| 186 | Description("The x-coordinate of the upper-left corner"),
|
---|
| 187 | Category("Layout")]
|
---|
| 188 | public int X
|
---|
| 189 | {
|
---|
| 190 | get
|
---|
| 191 | {
|
---|
| 192 | return mRectangle.X;
|
---|
| 193 | }
|
---|
| 194 | set
|
---|
| 195 | {
|
---|
| 196 | Point p = new Point(value - mRectangle.X, mRectangle.Y);
|
---|
| 197 | this.MoveBy(p);
|
---|
| 198 |
|
---|
| 199 | //if(Model!=null)
|
---|
| 200 | // Model.RaiseOnInvalidate(); //note that 'this.Invalidate()' will not be enough
|
---|
| 201 | }
|
---|
| 202 | }
|
---|
| 203 |
|
---|
| 204 | // ------------------------------------------------------------------
|
---|
| 205 | /// <summary>
|
---|
| 206 | /// the y-coordinate of the upper-left corner
|
---|
| 207 | /// </summary>
|
---|
| 208 | // ------------------------------------------------------------------
|
---|
| 209 | [Browsable(true), Description("The y-coordinate of the upper-left corner"), Category("Layout")]
|
---|
| 210 | public int Y
|
---|
| 211 | {
|
---|
| 212 | get
|
---|
| 213 | {
|
---|
| 214 | return mRectangle.Y;
|
---|
| 215 | }
|
---|
| 216 | set
|
---|
| 217 | {
|
---|
| 218 | Point p = new Point(mRectangle.X, value - mRectangle.Y);
|
---|
| 219 | this.MoveBy(p);
|
---|
| 220 | //Model.RaiseOnInvalidate();
|
---|
| 221 | }
|
---|
| 222 | }
|
---|
| 223 |
|
---|
| 224 | // ------------------------------------------------------------------
|
---|
| 225 | /// <summary>
|
---|
| 226 | /// Gets or sets the location of the bundle;
|
---|
| 227 | /// </summary>
|
---|
| 228 | // ------------------------------------------------------------------
|
---|
| 229 | [Browsable(false)]
|
---|
| 230 | public Point Location
|
---|
| 231 | {
|
---|
| 232 | get
|
---|
| 233 | {
|
---|
| 234 | return new Point(this.mRectangle.X, this.mRectangle.Y);
|
---|
| 235 | }
|
---|
| 236 | set
|
---|
| 237 | {
|
---|
| 238 | //we use the move method but it requires the delta value, not
|
---|
| 239 | // an absolute position!
|
---|
| 240 | Point p = new Point(
|
---|
| 241 | value.X - mRectangle.X,
|
---|
| 242 | value.Y - mRectangle.Y);
|
---|
| 243 |
|
---|
| 244 | // If you'd use this it would indeed move the bundle but not
|
---|
| 245 | // the connectors of the bundle
|
---|
| 246 | // this.mRectangle.X = value.X; this.mRectangle.Y = value.Y; Invalidate();
|
---|
| 247 | this.MoveBy(p);
|
---|
| 248 | }
|
---|
| 249 | }
|
---|
| 250 |
|
---|
| 251 | // ------------------------------------------------------------------
|
---|
| 252 | /// <summary>
|
---|
| 253 | /// Gets the bounds of the paintable entity
|
---|
| 254 | /// </summary>
|
---|
| 255 | /// <value></value>
|
---|
| 256 | // ------------------------------------------------------------------
|
---|
| 257 | public override Rectangle Rectangle
|
---|
| 258 | {
|
---|
| 259 | get
|
---|
| 260 | {
|
---|
| 261 | return mRectangle;
|
---|
| 262 | }
|
---|
| 263 | //set{mRectangle = value;
|
---|
| 264 |
|
---|
| 265 | //this.Invalidate(); }
|
---|
| 266 | }
|
---|
| 267 |
|
---|
| 268 | #endregion
|
---|
| 269 |
|
---|
| 270 | #region Constructor
|
---|
| 271 |
|
---|
| 272 |
|
---|
| 273 | /// <summary>
|
---|
| 274 | /// Constructor with the site of the bundle
|
---|
| 275 | /// </summary>
|
---|
| 276 | /// <param name="model"></param>
|
---|
| 277 | protected ShapeBase(IModel model)
|
---|
| 278 | : base(model)
|
---|
| 279 | {
|
---|
| 280 | }
|
---|
| 281 |
|
---|
| 282 | /// <summary>
|
---|
| 283 | /// Initializes a new instance of the <see cref="T:ShapeBase"/> class.
|
---|
| 284 | /// </summary>
|
---|
| 285 | protected ShapeBase()
|
---|
| 286 | : base()
|
---|
| 287 | {
|
---|
| 288 | }
|
---|
| 289 |
|
---|
| 290 | /// <summary>
|
---|
| 291 | /// Inits this instance.
|
---|
| 292 | /// </summary>
|
---|
| 293 | protected override void Initialize()
|
---|
| 294 | {
|
---|
| 295 | base.Initialize();
|
---|
| 296 | mConnectors = new CollectionBase<IConnector>();
|
---|
| 297 | mConnectors.OnItemAdded += new EventHandler<CollectionEventArgs<IConnector>>(mConnectors_OnItemAdded);
|
---|
| 298 | mRectangle = new Rectangle(0, 0, 100, 70);
|
---|
| 299 | }
|
---|
| 300 |
|
---|
| 301 | #endregion
|
---|
| 302 |
|
---|
| 303 | #region Methods
|
---|
| 304 |
|
---|
| 305 | // ------------------------------------------------------------------
|
---|
| 306 | /// <summary>
|
---|
| 307 | /// Overrides the base 'OnBeforeDelete' to tell all attached
|
---|
| 308 | /// connectors they're being deleted.
|
---|
| 309 | /// </summary>
|
---|
| 310 | /// <param name="deleteCommand"></param>
|
---|
| 311 | // ------------------------------------------------------------------
|
---|
| 312 | public override void OnBeforeDelete(DeleteCommand deleteCommand)
|
---|
| 313 | {
|
---|
| 314 | base.OnBeforeDelete(deleteCommand);
|
---|
| 315 | foreach (IConnector con in this.mConnectors)
|
---|
| 316 | {
|
---|
| 317 | con.OnBeforeDelete(deleteCommand);
|
---|
| 318 | }
|
---|
| 319 | }
|
---|
| 320 |
|
---|
| 321 | // ------------------------------------------------------------------
|
---|
| 322 | /// <summary>
|
---|
| 323 | /// Overrides the base 'OnAfterDelete' to tell all attached
|
---|
| 324 | /// connectors they have been deleted.
|
---|
| 325 | /// </summary>
|
---|
| 326 | /// <param name="deleteCommand"></param>
|
---|
| 327 | // ------------------------------------------------------------------
|
---|
| 328 | public override void OnAfterDelete(DeleteCommand deleteCommand)
|
---|
| 329 | {
|
---|
| 330 | base.OnAfterDelete(deleteCommand);
|
---|
| 331 | foreach (IConnector con in this.mConnectors)
|
---|
| 332 | {
|
---|
| 333 | con.OnAfterDelete(deleteCommand);
|
---|
| 334 | }
|
---|
| 335 | }
|
---|
| 336 |
|
---|
| 337 | // ------------------------------------------------------------------
|
---|
| 338 | /// <summary>
|
---|
| 339 | /// Generates a new Uid for this entity.
|
---|
| 340 | /// </summary>
|
---|
| 341 | /// <param name="recursive">bool: If the Uid has to be changed
|
---|
| 342 | /// recursively down to the sub-entities, set to true, otherwise
|
---|
| 343 | /// false.</param>
|
---|
| 344 | // ------------------------------------------------------------------
|
---|
| 345 | public override void NewUid(bool recursive)
|
---|
| 346 | {
|
---|
| 347 |
|
---|
| 348 | if (recursive)
|
---|
| 349 | {
|
---|
| 350 | foreach (IConnector connector in Connectors)
|
---|
| 351 | {
|
---|
| 352 | connector.NewUid(recursive);
|
---|
| 353 | }
|
---|
| 354 | base.NewUid(recursive);
|
---|
| 355 | }
|
---|
| 356 | else
|
---|
| 357 | base.NewUid(recursive);
|
---|
| 358 | }
|
---|
| 359 |
|
---|
| 360 | // ------------------------------------------------------------------
|
---|
| 361 | /// <summary>
|
---|
| 362 | /// Part of the initialization, this method connects newly added
|
---|
| 363 | /// connectors to the parenting shape.
|
---|
| 364 | /// </summary>
|
---|
| 365 | /// <param name="sender">object</param>
|
---|
| 366 | /// <param name="e">CollectionEventArgs<IConnector></param>
|
---|
| 367 | // ------------------------------------------------------------------
|
---|
| 368 | void mConnectors_OnItemAdded(
|
---|
| 369 | object sender,
|
---|
| 370 | CollectionEventArgs<IConnector> e)
|
---|
| 371 | {
|
---|
| 372 | e.Item.Parent = this;
|
---|
| 373 | }
|
---|
| 374 |
|
---|
| 375 | // ------------------------------------------------------------------
|
---|
| 376 | /// <summary>
|
---|
| 377 | /// The custom menu to be added to the base menu of this entity.
|
---|
| 378 | /// 'null' is returned here.
|
---|
| 379 | /// </summary>
|
---|
| 380 | /// <returns>ToolStripItem[]</returns>
|
---|
| 381 | // ------------------------------------------------------------------
|
---|
| 382 | public override ToolStripItem[] Menu()
|
---|
| 383 | {
|
---|
| 384 | return null;
|
---|
| 385 | }
|
---|
| 386 |
|
---|
| 387 | // ------------------------------------------------------------------
|
---|
| 388 | /// <summary>
|
---|
| 389 | /// Returns the connector hit by the mouse, if any.
|
---|
| 390 | /// </summary>
|
---|
| 391 | /// <param name="p">Point: The mouse coordinates</param>
|
---|
| 392 | /// <returns>IConnector: The connector hit by the mouse</returns>
|
---|
| 393 | // ------------------------------------------------------------------
|
---|
| 394 | public IConnector HitConnector(Point p)
|
---|
| 395 | {
|
---|
| 396 | for (int k = 0; k < mConnectors.Count; k++)
|
---|
| 397 | {
|
---|
| 398 | if (mConnectors[k].Hit(p))
|
---|
| 399 | {
|
---|
| 400 | mConnectors[k].Hovered = true;
|
---|
| 401 | mConnectors[k].Invalidate();
|
---|
| 402 | return mConnectors[k];
|
---|
| 403 | }
|
---|
| 404 | else
|
---|
| 405 | {
|
---|
| 406 | mConnectors[k].Hovered = false;
|
---|
| 407 | mConnectors[k].Invalidate();
|
---|
| 408 |
|
---|
| 409 | }
|
---|
| 410 |
|
---|
| 411 |
|
---|
| 412 | }
|
---|
| 413 | return null;
|
---|
| 414 | }
|
---|
| 415 |
|
---|
| 416 | // ------------------------------------------------------------------
|
---|
| 417 | /// <summary>
|
---|
| 418 | /// Overrides the abstract paint method. Nothing performed here,
|
---|
| 419 | /// let the sub-shapes do the painting.
|
---|
| 420 | /// </summary>
|
---|
| 421 | /// <param name="g">a graphics object onto which to paint</param>
|
---|
| 422 | // ------------------------------------------------------------------
|
---|
| 423 | public override void Paint(Graphics g)
|
---|
| 424 | {
|
---|
| 425 | return;
|
---|
| 426 | }
|
---|
| 427 |
|
---|
| 428 | // ------------------------------------------------------------------
|
---|
| 429 | /// <summary>
|
---|
| 430 | /// Override the abstract Hit method. Here a simple hit test is
|
---|
| 431 | /// performed by checking if our "Rectangle" contains the point
|
---|
| 432 | /// specified. Override this to perform more complex hit testing.
|
---|
| 433 | /// </summary>
|
---|
| 434 | /// <param name="p">Point</param>
|
---|
| 435 | /// <returns>bool</returns>
|
---|
| 436 | // ------------------------------------------------------------------
|
---|
| 437 | public override bool Hit(Point p)
|
---|
| 438 | {
|
---|
| 439 | Rectangle r = new Rectangle(p, new Size(5, 5));
|
---|
| 440 | return Rectangle.Contains(r);
|
---|
| 441 | }
|
---|
| 442 |
|
---|
| 443 | // ------------------------------------------------------------------
|
---|
| 444 | /// <summary>
|
---|
| 445 | /// Overrides the abstract Invalidate method. This shape's rectangle
|
---|
| 446 | /// is inflated (not permanently) by a size of (40, 40) to ensure
|
---|
| 447 | /// the whole area is refreshed.
|
---|
| 448 | /// </summary>
|
---|
| 449 | // ------------------------------------------------------------------
|
---|
| 450 | public override void Invalidate()
|
---|
| 451 | {
|
---|
| 452 | Rectangle r = Rectangle;
|
---|
| 453 | r.Offset(-10, -10);
|
---|
| 454 | r.Inflate(40, 40);
|
---|
| 455 | if (Model != null)
|
---|
| 456 | {
|
---|
| 457 | Model.RaiseOnInvalidateRectangle(r);
|
---|
| 458 | }
|
---|
| 459 | }
|
---|
| 460 |
|
---|
| 461 | // ------------------------------------------------------------------
|
---|
| 462 | /// <summary>
|
---|
| 463 | /// Moves the entity with the given shift (offset).
|
---|
| 464 | /// </summary>
|
---|
| 465 | /// <param name="p">Represents a shift-vector, not the absolute
|
---|
| 466 | /// position!</param>
|
---|
| 467 | // ------------------------------------------------------------------
|
---|
| 468 | public override void MoveBy(Point p)
|
---|
| 469 | {
|
---|
| 470 | Rectangle recBefore = mRectangle;
|
---|
| 471 | recBefore.Inflate(20, 20);
|
---|
| 472 |
|
---|
| 473 | this.mRectangle.X += p.X;
|
---|
| 474 | this.mRectangle.Y += p.Y;
|
---|
| 475 |
|
---|
| 476 | UpdatePaintingMaterial();
|
---|
| 477 |
|
---|
| 478 | for (int k = 0; k < this.mConnectors.Count; k++)
|
---|
| 479 | {
|
---|
| 480 | mConnectors[k].MoveBy(p);
|
---|
| 481 | }
|
---|
| 482 | RaiseOnChange(this, new EntityEventArgs(this));
|
---|
| 483 | //refresh things
|
---|
| 484 | this.Invalidate(recBefore);//position before the move
|
---|
| 485 | this.Invalidate();//current position
|
---|
| 486 |
|
---|
| 487 | }
|
---|
| 488 |
|
---|
| 489 | // ------------------------------------------------------------------
|
---|
| 490 | /// <summary>
|
---|
| 491 | /// Scales the entity with the given factor at the given origin.
|
---|
| 492 | /// <remarks>More an historical milestone than used code.</remarks>
|
---|
| 493 | /// </summary>
|
---|
| 494 | /// <param name="origin">The origin.</param>
|
---|
| 495 | /// <param name="scaleX">The scale X.</param>
|
---|
| 496 | /// <param name="scaleY">The scale Y.</param>
|
---|
| 497 | // ------------------------------------------------------------------
|
---|
| 498 | void Scale(
|
---|
| 499 | Point origin,
|
---|
| 500 | double scaleX,
|
---|
| 501 | double scaleY)
|
---|
| 502 | {
|
---|
| 503 | #region Variables
|
---|
| 504 | //temporary variables to assign the new location of the mConnectors
|
---|
| 505 | double a, b;
|
---|
| 506 | //the new location of the connector
|
---|
| 507 | Point p;
|
---|
| 508 | //calculated/scaled/biased corners of the new rectangle
|
---|
| 509 | double ltx = 0, lty = 0, rbx = 0, rby = 0;
|
---|
| 510 |
|
---|
| 511 | Rectangle currentRectangle = Rectangle;
|
---|
| 512 | //we only need to transform the LT and RB corners since the rest of the rectangle can be deduced from that
|
---|
| 513 | /*
|
---|
| 514 | PointF[] corners = new PointF[]{new PointF(currentRectangle.X, currentRectangle.Y),
|
---|
| 515 | new PointF(currentRectangle.Right, currentRectangle.Bottom),
|
---|
| 516 |
|
---|
| 517 | };
|
---|
| 518 | */
|
---|
| 519 | Rectangle newRectangle;
|
---|
| 520 | #endregion
|
---|
| 521 |
|
---|
| 522 | #region Transformation matrix
|
---|
| 523 |
|
---|
| 524 | ltx = Math.Round((currentRectangle.X - origin.X) * scaleX, 1) + origin.X;
|
---|
| 525 | lty = Math.Round((currentRectangle.Y - origin.Y) * scaleY, 1) + origin.Y;
|
---|
| 526 |
|
---|
| 527 | rbx = Math.Round((currentRectangle.Right - origin.X) * scaleX, 1) + origin.X;
|
---|
| 528 | rby = Math.Round((currentRectangle.Bottom - origin.Y) * scaleY, 1) + origin.Y;
|
---|
| 529 |
|
---|
| 530 | //corners[0] = new PointF
|
---|
| 531 | //Matrix m = new Matrix();
|
---|
| 532 | // m.Translate(-origin.X, -origin.Y,MatrixOrder.Append);
|
---|
| 533 | // m.Scale(scaleX, scaleY, MatrixOrder.Append);
|
---|
| 534 | // m.Translate(origin.X, origin.Y, MatrixOrder.Append);
|
---|
| 535 | #endregion
|
---|
| 536 |
|
---|
| 537 | //transfor the LTRB points of the current rectangle
|
---|
| 538 | //m.TransformPoints(corners);
|
---|
| 539 |
|
---|
| 540 | #region Bias
|
---|
| 541 | /*
|
---|
| 542 | if(currentRectangle.Y <= origin.Y + ViewBase.TrackerOffset && origin.Y - ViewBase.TrackerOffset <= currentRectangle.Y)
|
---|
| 543 | {
|
---|
| 544 | //do not scale in the Y-direction
|
---|
| 545 | lty = currentRectangle.Y;
|
---|
| 546 | }
|
---|
| 547 |
|
---|
| 548 | if(currentRectangle.X <= origin.X+ ViewBase.TrackerOffset && origin.X - ViewBase.TrackerOffset <= currentRectangle.X)
|
---|
| 549 | {
|
---|
| 550 | //do not scale in the X-direction
|
---|
| 551 | ltx = currentRectangle.X;
|
---|
| 552 | }
|
---|
| 553 |
|
---|
| 554 | if(currentRectangle.Right <= origin.X + ViewBase.TrackerOffset && origin.X - ViewBase.TrackerOffset <= currentRectangle.Right)
|
---|
| 555 | {
|
---|
| 556 | //do not scale in the X-direction
|
---|
| 557 | rbx = currentRectangle.Right;
|
---|
| 558 | }
|
---|
| 559 |
|
---|
| 560 | if(currentRectangle.Bottom <= origin.Y + ViewBase.TrackerOffset && origin.Y - ViewBase.TrackerOffset <= currentRectangle.Bottom)
|
---|
| 561 | {
|
---|
| 562 | //do not scale in the Y-direction
|
---|
| 563 | rby = currentRectangle.Bottom;
|
---|
| 564 | }
|
---|
| 565 | */
|
---|
| 566 | #endregion
|
---|
| 567 | /*
|
---|
| 568 | ltx = Math.Round(ltx);
|
---|
| 569 | lty = Math.Round(lty);
|
---|
| 570 | rbx = Math.Round(rbx);
|
---|
| 571 | rby = Math.Round(rby);
|
---|
| 572 | * */
|
---|
| 573 | //now we can re-create the rectangle of this shape
|
---|
| 574 | //newRectangle = RectangleF.FromLTRB(ltx, lty, rbx, rby);
|
---|
| 575 | newRectangle = Rectangle.FromLTRB(Convert.ToInt32(ltx), Convert.ToInt32(lty), Convert.ToInt32(rbx), Convert.ToInt32(rby));
|
---|
| 576 | //if ((newRectangle.Width <= 50 && scaleX < 1) || (newRectangle.Height <= 50 && scaleY < 1))
|
---|
| 577 | // return;
|
---|
| 578 | #region Scaling of the mConnectors
|
---|
| 579 | //Note that this mechanism is way easier than the calculations in the old Netron library
|
---|
| 580 | //and it also allows dynamic mConnectors.
|
---|
| 581 | foreach (IConnector cn in this.mConnectors)
|
---|
| 582 | {
|
---|
| 583 | //De profundis: ge wilt het gewoon nie weten hoeveel bloed, zweet en tranen ik in de onderstaande berekeningen heb gestoken...
|
---|
| 584 | //met al de afrondingen en meetkundinge schaalafwijkingen..tis een wonder dat ik eruit ben geraakt.
|
---|
| 585 |
|
---|
| 586 | //Scaling preserves proportions, so we calculate the proportions before the rectangle was resized and
|
---|
| 587 | //re-assign the same proportion after the rectangle is resized.
|
---|
| 588 | //I have tried many, many different possibilities but the accumulation of double-to-int conversions is a real pain.
|
---|
| 589 | //The only working solution I found was to cut things off after the first decimal.
|
---|
| 590 | a = Math.Round(((double)cn.Point.X - (double)mRectangle.X) / (double)mRectangle.Width, 1) * newRectangle.Width + ltx;
|
---|
| 591 | b = Math.Round(((double)cn.Point.Y - (double)mRectangle.Y) / (double)mRectangle.Height, 1) * newRectangle.Height + lty;
|
---|
| 592 | p = new Point(Convert.ToInt32(a), Convert.ToInt32(b));
|
---|
| 593 | cn.Point = p;
|
---|
| 594 | }
|
---|
| 595 | #endregion
|
---|
| 596 |
|
---|
| 597 | //assign the new calculated rectangle to this shape
|
---|
| 598 | this.mRectangle = newRectangle;
|
---|
| 599 |
|
---|
| 600 | RaiseOnChange(this, new EntityEventArgs(this));
|
---|
| 601 |
|
---|
| 602 | //invalidate the space before the resize; very important if the scaling is a contraction!
|
---|
| 603 | this.Invalidate(currentRectangle);
|
---|
| 604 | //invalidate the current situation
|
---|
| 605 | this.Invalidate();
|
---|
| 606 | }
|
---|
| 607 |
|
---|
| 608 | // ------------------------------------------------------------------
|
---|
| 609 | /// <summary>
|
---|
| 610 | /// Transforms the entity to the given new rectangle.
|
---|
| 611 | /// </summary>
|
---|
| 612 | /// <param name="x">The x-coordinate of the new rectangle.</param>
|
---|
| 613 | /// <param name="y">The y-coordinate of the new rectangle.</param>
|
---|
| 614 | /// <param name="width">The width.</param>
|
---|
| 615 | /// <param name="height">The height.</param>
|
---|
| 616 | // ------------------------------------------------------------------
|
---|
| 617 | public virtual void Transform(int x, int y, int width, int height)
|
---|
| 618 | {
|
---|
| 619 | // Make sure the new size is valid.
|
---|
| 620 | if ((width < myMinSize.Width) ||
|
---|
| 621 | (height < myMinSize.Height) ||
|
---|
| 622 | (width > myMaxSize.Width) ||
|
---|
| 623 | (height > myMaxSize.Height))
|
---|
| 624 | {
|
---|
| 625 | return;
|
---|
| 626 | }
|
---|
| 627 |
|
---|
| 628 | double a, b;
|
---|
| 629 | Point p;
|
---|
| 630 | Rectangle before = mRectangle;
|
---|
| 631 | before.Inflate(20, 20);
|
---|
| 632 | foreach (IConnector cn in this.mConnectors)
|
---|
| 633 | {
|
---|
| 634 | a = Math.Round(
|
---|
| 635 | ( (double)cn.Point.X - (double)mRectangle.X ) /
|
---|
| 636 | (double)mRectangle.Width, 1) * width + x - cn.Point.X;
|
---|
| 637 |
|
---|
| 638 | b = Math.Round(
|
---|
| 639 | ( (double)cn.Point.Y - (double)mRectangle.Y ) /
|
---|
| 640 | (double)mRectangle.Height, 1) * height + y - cn.Point.Y;
|
---|
| 641 |
|
---|
| 642 | p = new Point(Convert.ToInt32(a), Convert.ToInt32(b));
|
---|
| 643 | cn.MoveBy(p);
|
---|
| 644 | }
|
---|
| 645 |
|
---|
| 646 | mRectangle = new Rectangle(x, y, width, height);
|
---|
| 647 |
|
---|
| 648 | RaiseOnChange(this, new EntityEventArgs(this));
|
---|
| 649 |
|
---|
| 650 | // Update the material; the gradient depends on the rectangle
|
---|
| 651 | UpdatePaintingMaterial();
|
---|
| 652 | Invalidate(before);
|
---|
| 653 |
|
---|
| 654 | // If we're attached to a group, make sure to let him know
|
---|
| 655 | // we've moved/resized.
|
---|
| 656 | if (mGroup != null)
|
---|
| 657 | {
|
---|
| 658 | mGroup.CalculateRectangle();
|
---|
| 659 | mGroup.Invalidate();
|
---|
| 660 |
|
---|
| 661 | // The group will invalidate us when it's invalidated so just
|
---|
| 662 | // stop now.
|
---|
| 663 | //return;
|
---|
| 664 | }
|
---|
| 665 |
|
---|
| 666 | Invalidate(mRectangle);
|
---|
| 667 | }
|
---|
| 668 |
|
---|
| 669 | // ------------------------------------------------------------------
|
---|
| 670 | /// <summary>
|
---|
| 671 | /// Transforms the entity to the given new rectangle.
|
---|
| 672 | /// </summary>
|
---|
| 673 | /// <param name="rectangle">The new bounds.</param>
|
---|
| 674 | // ------------------------------------------------------------------
|
---|
| 675 | public virtual void Transform(Rectangle rectangle)
|
---|
| 676 | {
|
---|
| 677 | Transform(
|
---|
| 678 | rectangle.X,
|
---|
| 679 | rectangle.Y,
|
---|
| 680 | rectangle.Width,
|
---|
| 681 | rectangle.Height);
|
---|
| 682 | }
|
---|
| 683 |
|
---|
| 684 | #endregion
|
---|
| 685 | }
|
---|
| 686 | }
|
---|