public static List <DrawObject> GetDrawObjectsFromXML(Graphics graphics, string xml, float zoomMultiplier)
{
try
{
List <SerializableDrawObject> serializable = XmlSerialize.DeserializeObject <List <SerializableDrawObject> >(xml);
return(serializable.ConvertAll(o => DrawObject.FromSerialized(graphics, o, zoomMultiplier)));
}
catch
{
return(new List <DrawObject>());
}
}
private void undoRedo(UndoAction action, Stack <UndoAction> opposites, bool redo)
{
var opposite = new UndoAction();
if (action.UndoActionType == UndoActionType.AddDrawObject)
{
opposite.UndoActionType = UndoActionType.DeleteDrawObject;
}
else if (action.UndoActionType == UndoActionType.DeleteDrawObject)
{
opposite.UndoActionType = UndoActionType.AddDrawObject;
}
else
{
opposite.UndoActionType = action.UndoActionType;
}
if (action.UndoActionType == UndoActionType.DeleteDrawObject)
{
CurrentDrawObject = DrawObject.FromSerialized(_currGraphics, action.DrawObject, _zoomMultiplier);
opposite.DrawObject = CurrentDrawObject.GetSerializable();
_drawObjects.Add(CurrentDrawObject);
}
else
{
var drawObj = _drawObjects.First(d => d.ID == action.DrawObject.ID);
opposite.DrawObject = drawObj.GetSerializable();
if (action.UndoActionType == UndoActionType.AddDrawObject)
{
_drawObjects.Remove(drawObj);
}
else if (action.UndoActionType == UndoActionType.CropImage)
{
_cropRectangle = redo ?
(CurrentDrawObject as SelectDrawObject).GetSelectionRectangle()
: Rectangle.Empty;
LoadImage(true);
}
else
{
drawObj.Undo(action.DrawObject);
}
}
opposites.Push(opposite);
serializeDrawObjects();
redraw(true);
}
private void removeCurrentDrawObject(DrawObject drawObj)
{
_drawObjects.Remove(drawObj);
serializeDrawObjects();
}
private void pictMain_MouseDown(object sender, MouseEventArgs e)
{
endText();
var previouslySelected = CurrentDrawObject;
deselect(true);
if (_drawObjectType == null)
{
for (int i = _drawObjects.Count - 1; i >= 0; i--)
{
var dobj = _drawObjects[i];
if (dobj.IsInDrawObject(new Point(e.Location.X - _imageRectangle.X,
e.Location.Y - _imageRectangle.Y)) ||
(previouslySelected != null && previouslySelected.Equals(dobj) && _resizeRectangle.Key != Rectangle.Empty))
{
CurrentDrawObject = dobj;
CurrentDrawObject.Selected = true;
_lock = true;
chkErase.Checked = CurrentDrawObject.Erase;
chkHighlight.Checked = CurrentDrawObject.Highlight;
_color = CurrentDrawObject.GetColor();
_currentLineWidth = CurrentDrawObject.GetWidth();
updateColorWidth(true);
_lock = false;
setVisibilities();
addUndoAction(UndoActionType.MoveResize);
if (_resizeRectangle.Key != Rectangle.Empty)
{
CurrentDrawObject.StartResize(_resizeRectangle.Key);
}
btnDelete.Visible = true;
redraw(true);
_mouseDownLocation = e.Location;
break;
}
}
}
if (previouslySelected != null && previouslySelected is SelectDrawObject && _cropRectangle == Rectangle.Empty)
{
removeCurrentDrawObject(previouslySelected);
redraw(true);
}
if (_drawObjectType == null)
{
return;
}
if (_imageRectangle.Contains(e.Location))
{
_mouseDownLocation = e.Location;
CurrentDrawObject = DrawObject.CreateDrawObject(_drawObjectType,
!_drawObjects.Any() ? 1 : _drawObjects.Max(d => d.ID) + 1,
_currGraphics, new Pen(CurrentColor, CurrentWidth),
new Point((int)((_mouseDownLocation.X - _imageRectangle.X) / _zoomMultiplier),
(int)((_mouseDownLocation.Y - _imageRectangle.Y) / _zoomMultiplier)),
_zoomMultiplier);
CurrentDrawObject.Erase = chkErase.Checked;
CurrentDrawObject.Highlight = chkHighlight.Checked;
if (CurrentDrawObject is IRadiusDrawObject)
{
(CurrentDrawObject as IRadiusDrawObject).CurrentImage = _bmp;
(CurrentDrawObject as IRadiusDrawObject).Radius = CurrentRadius;
}
if (_drawObjectType.GetInterface(typeof(ITextDrawObject).Name) != null)
{
(CurrentDrawObject as ITextDrawObject).Font = CurrentFont;
}
if (CurrentDrawObject is NumberDrawObject)
{
(CurrentDrawObject as NumberDrawObject).CurrentText = _drawObjects.Count(d => d is NumberDrawObject).ToString();
}
if (_drawObjectType.Equals(typeof(TextDrawObject)))
{
redraw(false);
//(CurrentDrawObject as TextDrawObject).Typing = true;
CurrentDrawObject.Draw(new Point((int)((e.Location.X - _imageRectangle.X) / _zoomMultiplier),
(int)((e.Location.Y - _imageRectangle.Y) / _zoomMultiplier)));
//pictMain.Focus();
//pictMain.LostFocus += pictMain_LostFocus;
//pictMain.KeyPress += pictMain_KeyPress;
}
}
}