public void Dispose()
{
if (drawableContainer != null) {
drawableContainer.Dispose();
drawableContainer = null;
}
}
public void DeselectElement(DrawableContainer element)
{
element.HideGrippers();
element.Selected = false;
selectedElements.Remove(element);
MovingElementChanged(this, selectedElements);
}
/// <summary>
/// Allow the code to be used externally
/// </summary>
/// <param name="caller"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
public static bool EllipseContains(DrawableContainer caller, int x, int y)
{
double xDistanceFromCenter = x - (caller.Left + caller.Width / 2);
double yDistanceFromCenter = y - (caller.Top + caller.Height / 2);
// ellipse: x^2/a^2 + y^2/b^2 = 1
return(Math.Pow(xDistanceFromCenter, 2) / Math.Pow(caller.Width / 2, 2) + Math.Pow(yDistanceFromCenter, 2) / Math.Pow(caller.Height / 2, 2) < 1);
}
private void CreateUndrawnElement()
{
if (undrawnElement != null)
{
FieldAggregator.UnbindElement(undrawnElement);
}
switch (DrawingMode)
{
case DrawingModes.Rect:
undrawnElement = new RectangleContainer(this);
break;
case DrawingModes.Ellipse:
undrawnElement = new EllipseContainer(this);
break;
case DrawingModes.Text:
undrawnElement = new TextContainer(this);
break;
case DrawingModes.Line:
undrawnElement = new LineContainer(this);
break;
case DrawingModes.Arrow:
undrawnElement = new ArrowContainer(this);
break;
case DrawingModes.Highlight:
undrawnElement = new HighlightContainer(this);
break;
case DrawingModes.Obfuscate:
undrawnElement = new ObfuscateContainer(this);
break;
case DrawingModes.Crop:
cropContainer = new CropContainer(this);
undrawnElement = cropContainer;
break;
case DrawingModes.Bitmap:
undrawnElement = new BitmapContainer(this);
break;
case DrawingModes.Path:
undrawnElement = new FreehandContainer(this);
break;
case DrawingModes.None:
undrawnElement = null;
break;
}
if (undrawnElement != null)
{
FieldAggregator.BindElement(undrawnElement);
}
}
public void DeselectAllElements()
{
while (selectedElements.Count > 0)
{
DrawableContainer element = selectedElements[0];
element.HideGrippers();
element.Selected = false;
selectedElements.Remove(element);
}
MovingElementChanged(this, selectedElements);
}
public void SelectElement(DrawableContainer element)
{
if (selectedElements.Contains(element))
{
return;
}
selectedElements.Add(element);
element.ShowGrippers();
element.Selected = true;
MovingElementChanged(this, selectedElements);
Invalidate();
}
void SurfaceMouseDown(object sender, MouseEventArgs e)
{
mouseStart = MouseHelper.FixMouseCoordinates(e);
mouseDown = true;
isSurfaceMoveMadeUndoable = false;
if (cropContainer != null && ((undrawnElement == null) || (undrawnElement != null && DrawingMode != DrawingModes.Crop)))
{
RemoveElement(cropContainer, false);
cropContainer = null;
drawingElement = null;
}
if (drawingElement == null && DrawingMode != DrawingModes.None)
{
if (undrawnElement == null)
{
DeselectAllElements();
if (undrawnElement == null)
{
CreateUndrawnElement();
}
}
drawingElement = undrawnElement;
drawingElement.Status = EditStatus.DRAWING;
undrawnElement = null;
// if a new element has been drawn, set location and register it
if (drawingElement != null)
{
drawingElement.PropertyChanged += ElementPropertyChanged;
if (!drawingElement.HandleMouseDown(mouseStart.X, mouseStart.Y))
{
drawingElement.Left = mouseStart.X;
drawingElement.Top = mouseStart.Y;
}
AddElement(drawingElement);
drawingElement.Selected = true;
}
}
else
{
// check whether an existing element was clicked
// we save mouse down element separately from selectedElements (checked on mouse up),
// since it could be moved around before it is actually selected
mouseDownElement = elements.ClickableElementAt(mouseStart.X, mouseStart.Y);
if (mouseDownElement != null)
{
mouseDownElement.Status = EditStatus.MOVING;
}
}
}
public void DeselectElement(IDrawableContainer container)
{
DrawableContainer element = container as DrawableContainer;
element.HideGrippers();
element.Selected = false;
selectedElements.Remove(element);
FieldAggregator.UnbindElement(element);
if (MovingElementChanged != null)
{
MovingElementChanged(this, selectedElements);
}
}
void SurfaceMouseDown(object sender, MouseEventArgs e)
{
mX = e.X;
mY = e.Y;
mouseDown = true;
drawingElement = null;
if (DrawingMode == DrawingModes.Rect) // draw rectangle
{
DeselectAllElements();
drawingElement = new RectangleContainer(this);
}
else if (DrawingMode == DrawingModes.Ellipse) // draw ellipse
{
DeselectAllElements();
drawingElement = new EllipseContainer(this);
}
else if (DrawingMode == DrawingModes.Text) // draw textbox
{
DeselectAllElements();
drawingElement = new TextContainer(this);
}
else if (DrawingMode == DrawingModes.Line) // draw line
{
DeselectAllElements();
drawingElement = new LineContainer(this);
}
else if (DrawingMode == DrawingModes.Arrow) // draw arrow
{
DeselectAllElements();
drawingElement = new LineContainer(this);
((LineContainer)drawingElement).HasEndPointArrowHead = true;
}
else // check whether an existing element was clicked
{
// we save mouse down element separately from selectedElements (checked on mouse up),
// since it could be moved around before it is actually selected
mouseDownElement = elements.ClickableElementAt(e.X, e.Y);
}
// if a new element has been drawn, set location and register it
if (drawingElement != null)
{
drawingElement.Left = e.X;
drawingElement.Top = e.Y;
drawingElement.Selected = true;
drawingElement.ForeColor = conf.Editor_ForeColor;
drawingElement.BackColor = conf.Editor_BackColor;
drawingElement.Thickness = conf.Editor_Thickness;
AddElement(drawingElement);
}
}
// drawablecontainers are regarded equal if they are of the same type and their bounds are equal. this should be sufficient.
public override bool Equals(object obj)
{
bool ret = false;
if (obj != null && GetType() == obj.GetType())
{
DrawableContainer other = obj as DrawableContainer;
if (other != null && left == other.left && top == other.top && width == other.width && height == other.height)
{
ret = true;
}
}
return(ret);
}
public void RemoveElement(DrawableContainer element, bool makeUndoable)
{
DeselectElement(element);
elements.Remove(element);
element.FieldChanged -= element_FieldChanged;
element.PropertyChanged -= ElementPropertyChanged;
// Do not dispose, the memento should!! element.Dispose();
element.Invalidate();
if (makeUndoable)
{
MakeUndoable(new DeleteElementMemento(this, element), false);
}
modified = true;
}
/// <summary>
/// Add a new element to the surface
/// </summary>
/// <param name="element">the new element</param>
/// <param name="makeUndoable">true if the adding should be undoable</param>
public void AddElement(DrawableContainer element, bool makeUndoable)
{
elements.Add(element);
element.FieldChanged += element_FieldChanged;
element.PropertyChanged += ElementPropertyChanged;
if (element.Status == EditStatus.UNDRAWN)
{
element.Status = EditStatus.IDLE;
}
element.Invalidate();
if (makeUndoable)
{
MakeUndoable(new AddElementMemento(this, element), false);
}
modified = true;
}
public void SelectElement(IDrawableContainer container)
{
DrawableContainer element = container as DrawableContainer;
if (!selectedElements.Contains(element))
{
selectedElements.Add(element);
element.ShowGrippers();
element.Selected = true;
FieldAggregator.BindElement(element);
if (MovingElementChanged != null)
{
MovingElementChanged(this, selectedElements);
}
element.Invalidate();
}
}
public void DeselectAllElements()
{
if (HasSelectedElements())
{
while (selectedElements.Count > 0)
{
DrawableContainer element = selectedElements[0];
element.Invalidate();
element.HideGrippers();
element.Selected = false;
selectedElements.Remove(element);
FieldAggregator.UnbindElement(element);
}
if (MovingElementChanged != null)
{
MovingElementChanged(this, selectedElements);
}
}
}
// private void QueryContinueDragDrop(object sender, QueryContinueDragEventArgs e) {
// LOG.Debug("QueryContinueDrag: " + e.Action);
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// }
// }
//
// private void GiveFeedbackDragDrop(object sender, GiveFeedbackEventArgs e) {
// e.UseDefaultCursors = true;
// }
#endregion
/// <summary>
/// Auto crop the image
/// </summary>
/// <returns>true if cropped</returns>
public bool AutoCrop()
{
Rectangle cropRectangle = ImageHelper.FindAutoCropRectangle(Image);
if (isCropPossible(ref cropRectangle))
{
DrawingMode = DrawingModes.Crop;
cropContainer = new CropContainer(this);
cropContainer.Left = cropRectangle.X;
cropContainer.Top = cropRectangle.Y;
cropContainer.Width = cropRectangle.Width;
cropContainer.Height = cropRectangle.Height;
DeselectAllElements();
AddElement(cropContainer);
SelectElement(cropContainer);
return(true);
}
return(false);
}
void SurfaceMouseDown(object sender, MouseEventArgs e)
{
mouseStart = MouseHelper.FixMouseCoordinates(e);
mouseDown = true;
isSurfaceMoveMadeUndoable = false;
if (cropContainer != null && ((undrawnElement == null) || (undrawnElement != null && DrawingMode != DrawingModes.Crop))) {
RemoveElement(cropContainer, false);
cropContainer = null;
drawingElement = null;
}
if(drawingElement == null && DrawingMode != DrawingModes.None) {
if (undrawnElement == null) {
DeselectAllElements();
if(undrawnElement == null) {
CreateUndrawnElement();
}
}
drawingElement = undrawnElement;
drawingElement.Status = EditStatus.DRAWING;
undrawnElement = null;
// if a new element has been drawn, set location and register it
if (drawingElement != null) {
drawingElement.PropertyChanged += ElementPropertyChanged;
if (!drawingElement.HandleMouseDown(mouseStart.X, mouseStart.Y)) {
drawingElement.Left = mouseStart.X;
drawingElement.Top = mouseStart.Y;
}
AddElement(drawingElement);
drawingElement.Selected = true;
}
} else {
// check whether an existing element was clicked
// we save mouse down element separately from selectedElements (checked on mouse up),
// since it could be moved around before it is actually selected
mouseDownElement = elements.ClickableElementAt(mouseStart.X, mouseStart.Y);
if (mouseDownElement != null) {
mouseDownElement.Status = EditStatus.MOVING;
}
}
}
/// <summary>
/// Allow the code to be used externally
/// </summary>
/// <param name="caller"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
public static bool EllipseContains(DrawableContainer caller, int x, int y)
{
double xDistanceFromCenter = x - (caller.Left + caller.Width / 2);
double yDistanceFromCenter = y - (caller.Top + caller.Height / 2);
// ellipse: x^2/a^2 + y^2/b^2 = 1
return Math.Pow(xDistanceFromCenter, 2) / Math.Pow(caller.Width / 2, 2) + Math.Pow(yDistanceFromCenter, 2) / Math.Pow(caller.Height / 2, 2) < 1;
}
public AddElementMemento(Surface surface, DrawableContainer drawableContainer)
{
this.surface = surface;
this.drawableContainer = drawableContainer;
}
private void SurfaceMouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
mX = e.X;
mY = e.Y;
mouseDown = true;
drawingElement = null;
if (DrawingMode == DrawingModes.Rect) // Draw rectangle
{
drawingElement = new RectangleContainer(this);
}
else if (DrawingMode == DrawingModes.Ellipse) // Draw ellipse
{
drawingElement = new EllipseContainer(this);
}
else if (DrawingMode == DrawingModes.Line) // Draw line
{
drawingElement = new LineContainer(this);
}
else if (DrawingMode == DrawingModes.Text) // Draw textbox
{
drawingElement = new TextContainer(this);
}
// check whether an existing element was clicked
// we save mouse down element separately from selectedElements (checked on mouse up),
// since it could be moved around before it is actually selected
if (DrawingMode == DrawingModes.None)
{
mouseDownElement = elements.ClickableElementAt(e.X, e.Y);
}
else
{
mouseDownElement = selectedElements.ClickableElementAt(e.X, e.Y);
}
if (mouseDownElement == null)
{
DeselectAllElements();
}
// if a new element has been drawn, set location and register it
if (drawingElement != null)
{
drawingElement.Left = e.X;
drawingElement.Top = e.Y;
drawingElement.Selected = true;
drawingElement.ForeColor = conf.Editor_ForeColor;
drawingElement.BackColor = conf.Editor_BackColor;
drawingElement.GradientColor = conf.Editor_GradientColor;
drawingElement.GradientType = conf.Editor_GradientType;
drawingElement.Thickness = conf.Editor_Thickness;
drawingElement.ArrowHeads = conf.Editor_ArrowHeads;
AddElement(drawingElement);
}
}
else if (e.Button == MouseButtons.Right)
{
DeselectAllElements();
}
}
public void RemoveElement(DrawableContainer element, bool makeUndoable)
{
DeselectElement(element);
elements.Remove(element);
element.FieldChanged -= element_FieldChanged;
element.PropertyChanged -= ElementPropertyChanged;
// Do not dispose, the memento should!! element.Dispose();
element.Invalidate();
if (makeUndoable) {
MakeUndoable(new DeleteElementMemento(this, element), false);
}
modified = true;
}
private void SurfaceMouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
mX = e.X;
mY = e.Y;
mouseDown = true;
drawingElement = null;
if (DrawingMode == DrawingModes.Rect) // Draw rectangle
{
drawingElement = new RectangleContainer(this);
}
else if (DrawingMode == DrawingModes.Ellipse) // Draw ellipse
{
drawingElement = new EllipseContainer(this);
}
else if (DrawingMode == DrawingModes.Line) // Draw line
{
drawingElement = new LineContainer(this);
}
else if (DrawingMode == DrawingModes.Text) // Draw textbox
{
drawingElement = new TextContainer(this);
}
// check whether an existing element was clicked
// we save mouse down element separately from selectedElements (checked on mouse up),
// since it could be moved around before it is actually selected
if (DrawingMode == DrawingModes.None)
{
mouseDownElement = elements.ClickableElementAt(e.X, e.Y);
}
else
{
mouseDownElement = selectedElements.ClickableElementAt(e.X, e.Y);
}
if (mouseDownElement == null)
{
DeselectAllElements();
}
// if a new element has been drawn, set location and register it
if (drawingElement != null)
{
drawingElement.Left = e.X;
drawingElement.Top = e.Y;
drawingElement.Selected = true;
drawingElement.ForeColor = conf.Editor_ForeColor;
drawingElement.BackColor = conf.Editor_BackColor;
drawingElement.GradientColor = conf.Editor_GradientColor;
drawingElement.GradientType = conf.Editor_GradientType;
drawingElement.Thickness = conf.Editor_Thickness;
drawingElement.ArrowHeads = conf.Editor_ArrowHeads;
AddElement(drawingElement);
}
}
else if (e.Button == MouseButtons.Right)
{
DeselectAllElements();
}
}
public void DeselectElement(DrawableContainer element)
{
element.HideGrippers();
element.Selected = false;
selectedElements.Remove(element);
MovingElementChanged(this, selectedElements);
}
void SurfaceMouseUp(object sender, MouseEventArgs e)
{
mouseDown = false;
mouseDownElement = null;
if (DrawingMode == DrawingModes.None) // check whether an existing element was clicked
{
DrawableContainer element = elements.ClickableElementAt(e.X, e.Y);
bool shiftModifier = (Control.ModifierKeys & Keys.Shift) == Keys.Shift;
if (element != null)
{
bool alreadySelected = selectedElements.Contains(element);
if (shiftModifier)
{
if (alreadySelected)
{
DeselectElement(element);
}
else
{
SelectElement(element);
}
}
else
{
if (!alreadySelected)
{
DeselectAllElements();
SelectElement(element);
}
}
}
else if (!shiftModifier)
{
DeselectAllElements();
}
}
if (selectedElements.Count > 0)
{
selectedElements.ShowGrippers();
selectedElements.Selected = true;
}
if (drawingElement != null)
{
if (!drawingElement.InitContent())
{
elements.Remove(drawingElement);
Invalidate();
}
else
{
if (Math.Abs(drawingElement.Width) < 5 && Math.Abs(drawingElement.Height) < 5)
{
drawingElement.Width = 25;
drawingElement.Height = 25;
}
SelectElement(drawingElement);
drawingElement.Selected = true;
}
drawingElement = null;
}
Invalidate();
}
/// <summary>
/// Wrapper for makeUndoable flag which was introduced later, will call AddElement with makeundoable set to true
/// </summary>
/// <param name="element">the new element</param>
public void AddElement(DrawableContainer element)
{
AddElement(element, true);
}
public void AddElement(DrawableContainer element)
{
elements.Add(element);
Invalidate();
}
private void CreateUndrawnElement()
{
if(undrawnElement != null) {
FieldAggregator.UnbindElement(undrawnElement);
}
switch (DrawingMode) {
case DrawingModes.Rect:
undrawnElement = new RectangleContainer(this);
break;
case DrawingModes.Ellipse:
undrawnElement = new EllipseContainer(this);
break;
case DrawingModes.Text:
undrawnElement = new TextContainer(this);
break;
case DrawingModes.Line:
undrawnElement = new LineContainer(this);
break;
case DrawingModes.Arrow:
undrawnElement = new ArrowContainer(this);
break;
case DrawingModes.Highlight:
undrawnElement = new HighlightContainer(this);
break;
case DrawingModes.Obfuscate:
undrawnElement = new ObfuscateContainer(this);
break;
case DrawingModes.Crop:
cropContainer = new CropContainer(this);
undrawnElement = cropContainer;
break;
case DrawingModes.Bitmap:
undrawnElement = new BitmapContainer(this);
break;
case DrawingModes.Path:
undrawnElement = new FreehandContainer(this);
break;
case DrawingModes.None:
undrawnElement = null;
break;
}
if (undrawnElement != null) {
FieldAggregator.BindElement(undrawnElement);
}
}
void SurfaceMouseDown(object sender, MouseEventArgs e)
{
mouseStart = e.Location;
// check contextmenu
if (e.Button == MouseButtons.Right) {
DrawableContainerList selectedList = null;
if (selectedElements != null && selectedElements.Count > 0) {
selectedList = selectedElements;
} else {
// Single element
DrawableContainer rightClickedContainer = elements.ClickableElementAt(mouseStart.X, mouseStart.Y);
if (rightClickedContainer != null) {
selectedList = new DrawableContainerList();
selectedList.Add(rightClickedContainer);
}
}
if (selectedList != null && selectedList.Count > 0) {
selectedList.ShowContextMenu(e, this);
}
return;
}
mouseDown = true;
isSurfaceMoveMadeUndoable = false;
if (cropContainer != null && ((undrawnElement == null) || (undrawnElement != null && DrawingMode != DrawingModes.Crop))) {
RemoveElement(cropContainer, false);
cropContainer = null;
drawingElement = null;
}
if (drawingElement == null && DrawingMode != DrawingModes.None) {
if (undrawnElement == null) {
DeselectAllElements();
if(undrawnElement == null) {
CreateUndrawnElement();
}
}
drawingElement = undrawnElement;
drawingElement.Status = EditStatus.DRAWING;
undrawnElement = null;
// if a new element has been drawn, set location and register it
if (drawingElement != null) {
drawingElement.PropertyChanged += ElementPropertyChanged;
if (!drawingElement.HandleMouseDown(mouseStart.X, mouseStart.Y)) {
drawingElement.Left = mouseStart.X;
drawingElement.Top = mouseStart.Y;
}
AddElement(drawingElement);
drawingElement.Selected = true;
}
} else {
// check whether an existing element was clicked
// we save mouse down element separately from selectedElements (checked on mouse up),
// since it could be moved around before it is actually selected
mouseDownElement = elements.ClickableElementAt(mouseStart.X, mouseStart.Y);
if (mouseDownElement != null) {
mouseDownElement.Status = EditStatus.MOVING;
}
}
}
/// <summary>
/// Wrapper for makeUndoable flag which was introduced later, will call AddElement with makeundoable set to true
/// </summary>
/// <param name="element">the new element</param>
public void AddElement(DrawableContainer element)
{
AddElement(element, true);
}
public void AddElement(DrawableContainer element)
{
elements.Add(element);
Invalidate();
}
/// <summary>
/// Add a new element to the surface
/// </summary>
/// <param name="element">the new element</param>
/// <param name="makeUndoable">true if the adding should be undoable</param>
public void AddElement(DrawableContainer element, bool makeUndoable)
{
elements.Add(element);
element.FieldChanged += element_FieldChanged;
element.PropertyChanged += ElementPropertyChanged;
if(element.Status == EditStatus.UNDRAWN) {
element.Status = EditStatus.IDLE;
}
element.Invalidate();
if (makeUndoable) {
MakeUndoable(new AddElementMemento(this, element), false);
}
modified = true;
}
public void SelectElement(DrawableContainer element)
{
if (selectedElements.Contains(element)) return;
selectedElements.Add(element);
element.ShowGrippers();
element.Selected = true;
MovingElementChanged(this, selectedElements);
Invalidate();
}
/// <summary>
/// Auto crop the image
/// </summary>
/// <returns>true if cropped</returns>
public bool AutoCrop()
{
Rectangle cropRectangle = ImageHelper.FindAutoCropRectangle(Image, conf.AutoCropDifference);
if (isCropPossible(ref cropRectangle)) {
DrawingMode = DrawingModes.Crop;
cropContainer = new CropContainer(this);
cropContainer.Left = cropRectangle.X;
cropContainer.Top = cropRectangle.Y;
cropContainer.Width = cropRectangle.Width;
cropContainer.Height = cropRectangle.Height;
DeselectAllElements();
AddElement(cropContainer);
SelectElement(cropContainer);
return true;
}
return false;
}
private void SurfaceMouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (DrawingMode == DrawingModes.None)
{ // check whether an existing element was clicked
DrawableContainer element = elements.ClickableElementAt(e.X, e.Y);
bool shiftModifier = (Control.ModifierKeys & Keys.Shift) == Keys.Shift;
if (element != null)
{
bool alreadySelected = selectedElements.Contains(element);
if (shiftModifier)
{
if (alreadySelected) DeselectElement(element);
else SelectElement(element);
}
else
{
if (!alreadySelected)
{
DeselectAllElements();
SelectElement(element);
}
}
}
else if (!shiftModifier)
{
DeselectAllElements();
}
}
if (selectedElements.Count > 0)
{
selectedElements.ShowGrippers();
selectedElements.Selected = true;
}
if (drawingElement != null && mouseDownElement == null)
{
if (!drawingElement.InitContent())
{
elements.Remove(drawingElement);
Invalidate();
}
else
{
if (Math.Abs(drawingElement.Width) < 5 && Math.Abs(drawingElement.Height) < 5)
{
drawingElement.Width = 25;
drawingElement.Height = 25;
}
SelectElement(drawingElement);
drawingElement.Selected = true;
}
drawingElement = null;
}
mouseDown = false;
mouseDownElement = null;
Invalidate();
}
}
void SurfaceMouseUp(object sender, MouseEventArgs e)
{
Point currentMouse = MouseHelper.FixMouseCoordinates(e);
elements.Status = EditStatus.IDLE;
if (mouseDownElement != null) {
mouseDownElement.Status = EditStatus.IDLE;
}
mouseDown = false;
mouseDownElement = null;
if (DrawingMode == DrawingModes.None) {
// check whether an existing element was clicked
DrawableContainer element = elements.ClickableElementAt(currentMouse.X, currentMouse.Y);
bool shiftModifier = (Control.ModifierKeys & Keys.Shift) == Keys.Shift;
if (element != null) {
element.Invalidate();
bool alreadySelected = selectedElements.Contains(element);
if (shiftModifier) {
if (alreadySelected) {
DeselectElement(element);
} else {
SelectElement(element);
}
} else {
if (!alreadySelected) {
DeselectAllElements();
SelectElement(element);
}
}
} else if(!shiftModifier) {
DeselectAllElements();
}
}
if (selectedElements.Count > 0) {
selectedElements.ShowGrippers();
selectedElements.Selected = true;
}
if (drawingElement != null) {
if (!drawingElement.InitContent()) {
elements.Remove(drawingElement);
drawingElement.Invalidate();
} else {
drawingElement.HandleMouseUp(currentMouse.X, currentMouse.Y);
drawingElement.Invalidate();
if (Math.Abs(drawingElement.Width) < 5 && Math.Abs(drawingElement.Height) < 5) {
drawingElement.Width = 25;
drawingElement.Height = 25;
}
SelectElement(drawingElement);
drawingElement.Selected = true;
}
drawingElement = null;
}
}