public void addObject(GraphicalObject newGraphicsObject)
{
groupedObjectList.Add(newGraphicsObject);
foreach (GraphicalObject graphicsObject in groupedObjectList)
{
//set top right
if (_topRight.X < graphicsObject.TopRight.X)
{
_topRight.X = graphicsObject.TopRight.X;
}
if (_topRight.Y > graphicsObject.TopRight.Y)
{
_topRight.Y = graphicsObject.TopRight.Y;
}
//set top left
if (_topLeft.X > graphicsObject.TopLeft.X)
{
_topLeft.X = graphicsObject.TopLeft.X;
}
if (_topLeft.Y > graphicsObject.TopLeft.Y)
{
_topLeft.Y = graphicsObject.TopLeft.Y;
}
//set bot right
if (_bottomRight.X < graphicsObject.BottomRight.X)
{
_bottomRight.X = graphicsObject.BottomRight.X;
}
if (_bottomRight.Y < graphicsObject.BottomRight.Y)
{
_bottomRight.Y = graphicsObject.BottomRight.Y;
}
//set bot left
if (_bottomLeft.X > graphicsObject.BottomLeft.X)
{
_bottomLeft.X = graphicsObject.BottomLeft.X;
}
if (_bottomLeft.Y < graphicsObject.BottomLeft.Y)
{
_bottomLeft.Y = graphicsObject.BottomLeft.Y;
}
}
}
internal static void undo()
{
// Undo
_objects = _caretaker.undo(new Memento(_objects)).restore();
// Change selected
if(_objects.Count() > 0)
Selected = _objects.Last();
//Check for redo undo
redoUndoCheck();
// Repaint
repaint();
}
internal static void save()
{
//Make none selected
Selected = null;
//Save as string
string saveData = _objects.ToXmlString();
//Create save dialog
SaveFileDialog saveDialog = new SaveFileDialog();
saveDialog.Filter = "Sketcher Format | *.PAINT";
saveDialog.AddExtension = true;
saveDialog.DefaultExt = "PAINT";
// Get user saved location
string file;
// Run the save
if (DialogResult.OK == saveDialog.ShowDialog())
{
file = saveDialog.FileName;
File.WriteAllText(file, saveData);
}
else
{
MessageBox.Show("Error", "File was not saved", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
internal static void paste()
{
// Backup
addAction();
// Add a copy
_objects.Add(CutCopyMemory.Clone());
// Set it as selected
Selected = _objects.Last();
//Repaint
repaint();
}
internal static void load()
{
// Create dialog
OpenFileDialog openDialog = new OpenFileDialog();
openDialog.Filter = "Sketcher Format | *.PAINT";
openDialog.DefaultExt = "PAINT";
// Show it
if (DialogResult.OK == openDialog.ShowDialog())
{
string file = openDialog.FileName;
string saveData = File.ReadAllText(file);
//Load objects and reinject graphics
List<GraphicalObject> savedObjects = XmlTools.FromXmlString<List<GraphicalObject>>(saveData);
foreach (GraphicalObject go in savedObjects)
go.Graphics = getCanvas();
//Display
_objects = savedObjects;
//Selected
Selected = null;
//repaint
repaint();
}
else
{
MessageBox.Show("Error", "File was not opened", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public static void mouseDown(System.Drawing.Point point)
{
// Back up prev state
switch (_state)
{
case State.Pointer:
case State.Polygon:
break;
default:
addAction();
break;
}
// Handle create
switch (_state)
{
case State.Square:
_anchorPoint = point;
_objects.Add(new Square(point.X, point.Y, point.X, point.Y, _form.getCanvas(), _color));
Program.Selected = _objects.Last();
break;
case State.Ellipse:
_anchorPoint = point;
_objects.Add(new Ellipse(point.X, point.Y, point.X, point.Y, _form.getCanvas(), _color));
Program.Selected = _objects.Last();
break;
case State.StraighLine:
_anchorPoint = point;
_objects.Add(new Line(point.X, point.Y, point.X, point.Y, _form.getCanvas(), _color));
Program.Selected = _objects.Last();
break;
case State.Polygon:
{
_anchorPoint = point;
if (_selected == null)
{
//backup
addAction();
UnClosedPolygon polygon = new UnClosedPolygon(point.X, point.Y, point.X, point.Y, _form.getCanvas(), _color);
polygon.addLine(new Line(point.X, point.Y, point.X, point.Y, _form.getCanvas(), _color));
_objects.Add(polygon);
Program.Selected = _objects.Last();
previousPoint = point;
break;
}
else
{
((UnClosedPolygon)_objects.Last()).addLine(new Line(previousPoint.X, previousPoint.Y, point.X, point.Y, _form.getCanvas(), _color));
Program.Selected = _objects.Last();
previousPoint = point;
break;
}
}
case State.FreeDraw:
_anchorPoint = point;
_objects.Add(new FreeFormLine(point.X, point.Y, point.X, point.Y, _form.getCanvas(), _color));
Program.Selected = _objects.Last();
previousPoint = point;
break;
case State.ClosedPolygon:
{
_anchorPoint = point;
if (_selected == null)
{
_objects.Add(new Polygon(point.X, point.Y, point.X, point.Y, _form.getCanvas(), _color));
Program.Selected = _objects.Last();
break;
}
else
{
((Polygon)Program.Selected).addPoint(point);
break;
}
}
case State.Rectangle:
_anchorPoint = point;
_objects.Add(new Rectangle(point.X, point.Y, point.X, point.Y, _form.getCanvas(), _color));
Program.Selected = _objects.Last();
break;
case State.Circle:
_anchorPoint = point;
_objects.Add(new Circle(point.X, point.Y, point.X, point.Y, _form.getCanvas(), _color));
Program.Selected = _objects.Last();
break;
case State.Pointer:
_anchorPoint = point;
foreach(GraphicalObject go in _objects)
if(go.contains(point))
Program.Selected = go;
// show the user what they selected
if (_selected != null)
{
Program.Selected.Color = Color.FromArgb(150, _selected.Color.R, _selected.Color.G, _selected.Color.B);
}
break;
case State.Group:
_anchorPoint = point;
foreach(GraphicalObject go in _objects)
{
if (go.contains(point))
{
if (_selected == null)
{
_objects.Add(new GroupedObject(point.X, point.Y, point.X, point.Y, _form.getCanvas(), _color));
Program.Selected = _objects.Last();
}
GroupedObject groupedObject = ((GroupedObject)_objects.Last());
groupedObject.addObject(go);
Program.Selected = groupedObject;
_objects.Remove(go);
break;
}
}
// show the user what they selected
if (_selected != null)
{
Program.Selected.Color = Color.FromArgb(150, _selected.Color.R, _selected.Color.G, _selected.Color.B);
}
break;
case State.UnGroup:
_anchorPoint = point;
foreach (GraphicalObject go in _objects)
{
if (go.contains(point))
{
if (!(go.GetType().Name == "GroupedObject"))
break;
GraphicalObject rmved = ((GroupedObject)go).removeObject(point);
_objects.Add(rmved);
Program.Selected = _objects.Last();
// if grouped object doesn't exist anymore with objects
if (((GroupedObject)go).getGroupedObjectList().Count == 0)
{
_objects.Remove(go);
}
break;
}
}
// show the user what they selected
if (_selected != null)
{
Program.Selected.Color = Color.FromArgb(150, _selected.Color.R, _selected.Color.G, _selected.Color.B);
}
break;
case State.Move:
// Reset the cursor
_form.Cursor = Cursors.Arrow;
CurrentState = State.Pointer;
_form.setPointerButtonSelected();
break;
}
//Check for undo / redo
redoUndoCheck();
// Repaint
repaint();
}
public GraphicalObject(GraphicalObject g)
: this(g._graphics, g.Color, g._topLeft, g._topRight, g._bottomLeft, g._bottomRight)
{
}