public IDrawingObject Intersect(Point pos)
{
int x = this.From.X, y = this.From.Y;
if (this.From.X > this.To.X)
{
x = this.To.X;
}
if (this.From.Y > this.To.Y)
{
y = this.To.Y;
}
if (pos.X > x && pos.X < x + Math.Abs(this.From.X - this.To.X) && pos.Y > y && pos.Y < y + Math.Abs(this.From.Y - this.To.Y))
{
return(this);
}
foreach (IDrawingObject obj in this.component)
{
IDrawingObject temp = obj.Intersect(pos);
if (temp != null)
{
return(this);
}
}
return(null);
}
/// <summary>
/// Process when draw is finish
/// </summary>
/// <param name="obj">The object.</param>
public void CreateObject(IDrawingObject obj)
{
IAction action = null;
if (obj.GetObjectType() == DrawingObjectType.Shape)
{
action = new CreateShapeAction((ShapeBase)obj);
}
else if (obj.GetObjectType() == DrawingObjectType.Text)
{
var text = obj as TextObject;
if (text != null)
{
action = new UpdateTextControlAction()
{
Text = "",
Font = text.Font,
Location = text.Location
}
}
;
}
SendAction(action);
if (obj.GetObjectType() == DrawingObjectType.Text)
{
action = new CreateTextAction((TextObject)obj);
SendAction(action);
}
_page.AddDrawingObject(obj);
}
private void buttonDrawFigure_Click(object sender, EventArgs e)
{
if (radioButtonSquare.Checked)
{
figure = new DrawingSquare(x, y, currentcolor);
}
if (radioButtonCircle.Checked)
{
figure = new DrawingCircle(x, y, currentcolor);
}
if (radioButtonRhombus.Checked)
{
figure = new DrawingRhombus(x, y, currentcolor);
}
if (radioButtonTriangle.Checked)
{
figure = new DrawingTriangle(x, y, currentcolor);
}
if (radioButtonRectangle.Checked)
{
figure = new DrawingRectangle(x, y, currentcolor);
}
g.Push(figure);
x += 30;
panel1.Invalidate();
}
public static IDrawingObject ReadDrawingObject(BinaryReader reader)
{
// read object type
IDrawingObject obj = null;
int type = reader.ReadInt32();
switch ((DrawingObjectType)type)
{
case DrawingObjectType.Shape:
{
// read shape type
int shapeType = reader.ReadInt32();
ShapeBase shape;
if ((ShapeType)shapeType == ShapeType.Ellipse)
{
shape = new Ellipse();
}
else
{
shape = new FreePencil();
}
//var shape = ShapeFactory.CreateShape((ShapeType) shapeType);
// write shape location
shape.Location = ReadPoint(reader);
// write shape size
shape.Size = ReadSize(reader);
// write shape outline color
shape.OutlineColor = ReadColor(reader);
// write shape outline width
shape.OutlineWidth = reader.ReadSingle();
// write shape outline dash
shape.OutlineDash = (DashStyle)reader.ReadInt32();
// write shape fill color
shape.FillColor = ReadColor(reader);
if (shape.GetShapeType() != ShapeType.Ellipse)
{
// write count vertex
var vcount = reader.ReadInt32();
for (int i = 0; i < vcount; i++)
{
Vertex v = ReadVertex(reader);
shape.Vertices.Add(v);
}
}
if (shape.GetShapeType() == ShapeType.Polygon || shape.GetShapeType() == ShapeType.Oblong ||
shape.GetShapeType() == ShapeType.IsoscelesTriangle)
{
var s = shape as PolygonBase;
s.IsClosedFigure = true;
}
}
break;
}
return(obj);
}
private void ChangeThickness(IDrawingObject drawingObject, MouseWheelEventArgs e)
{
if (drawingObject is IHasThickness)
{
IHasThickness tl = drawingObject as IHasThickness;
tl.Thickness += e.Delta / 120;
}
}
/// <summary>
/// Adds an object to the specified layer
/// </summary>
/// <param name="layerName">the layer on which to add the object</param>
/// <param name="page">the page on which the object was created</param>
/// <param name="drawingObject">the drawing-object to add on the given page</param>
void IInternalDocument.AddLayerObject(string layerName, Page page, IDrawingObject drawingObject)
{
Layer layer = layers.First(n => n.LayerName == layerName);
layer.Objects.Add(new LayerObject {
Layer = layer, Page = page, Object = drawingObject
});
}
public Shape()
{
IDrawingObject drawingObject = this;
drawingObject.OnDraw += DrawingObject_OnDraw;
IShape shapeObject = this;
shapeObject.OnDraw += shapeObject_OnDraw;
}
public override void Add(IDrawingObject item)
{
base.Add(item);
if (this.owner.Worksheet != null)
{
this.owner.Worksheet.RequestInvalidate();
}
}
static void Main(string[] args)
{
IDrawingObject[] instances = new IDrawingObject[] { new Line(), new Rectangle(), new Line() };
foreach (IDrawingObject item in instances)
{
item.Draw();
}
}
public static void Draw(this IDrawingObject obj, Canvas c)
{
string className = obj.GetType().ToString();
if (methodMap.ContainsKey(className))
{
methodMap[className](obj, c);
}
}
public virtual void Draw(this IDrawingObject p, ICanvas g)
{
Polygon poly = p as Polygon;
if (poly == null)
{
return;
}
g.DrawPolygon(poly.Points, poly.Fill);
}
public void AddObject(IDrawingObject target, string layerName)
{
if (layerName == null)
{
objects.Add(target);
}
else
{
parent.AddLayerObject(layerName, this, target);
}
}
public override bool Remove(IDrawingObject item)
{
bool ret = base.Remove(item);
if (ret && this.owner.Worksheet != null)
{
this.owner.Worksheet.RequestInvalidate();
}
return(ret);
}
public void OnMouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
IDrawingObject obj = this.canvas.SelectObjectAt(e.Location);
if (obj != null)
{
this.cp.ActiveColor = obj.ActiveColor;
}
}
}
public static void Main()
{
IDrawingObject[] instances = new IDrawingObject[] { new Line(), new Rectangle() }; // 다형성 구현
foreach (IDrawingObject item in instances) // 각 요소에 접근하여 값을 메소드 호출
{
item.Draw();
}
IDrawingObject instance = new Line(); // 여기도 다형성
instance.Draw();
}
private void BeginDrawingObject(MouseButtonEventArgs e)
{
Vector mousePos = (Vector)e.GetPosition(MainImageContainer);
switch (currentlyPressedButton.Name)
{
case "DrawLineButon":
ILine line = new ClippedLine((Vector)e.GetPosition(MainImageContainer), (Vector)e.GetPosition(MainImageContainer), 2, CurrentColor, ClipRectangles);
currentlyDrawnObject = line;
DrawingObjects.Add(currentlyDrawnObject);
currentlyDrawnPoint = line.Point2;
break;
case "DrawCircleButton":
MidpointCircle circle = new MidpointCircle((Vector)e.GetPosition(MainImageContainer), (Vector)e.GetPosition(MainImageContainer), CurrentColor);
currentlyDrawnObject = circle;
DrawingObjects.Add(currentlyDrawnObject);
currentlyDrawnPoint = circle.radiusUtilityPoint;
break;
case "DrawPolygonButton":
Polygon poly = new FilledPolygon(CurrentColor, 2, ClipRectangles, (Vector)e.GetPosition(MainImageContainer), (Vector)e.GetPosition(MainImageContainer));
currentlyDrawnObject = poly;
DrawingObjects.Add(currentlyDrawnObject);
currentlyDrawnPoint = poly.Points[1];
break;
case "DrawCapsuleButton":
Capsule cap = new Capsule(mousePos, mousePos, 0, CurrentColor);
currentlyDrawnObject = cap;
DrawingObjects.Add(currentlyDrawnObject);
currentlyDrawnPoint = cap.Point2;
break;
case "DrawRectangleButton":
DrawingRectangle rec = new DrawingRectangle(CurrentColor, 2, mousePos, mousePos);
currentlyDrawnObject = rec;
DrawingObjects.Add(currentlyDrawnObject);
currentlyDrawnPoint = rec.Points[2];
break;
case "FloodFillButton":
FloodFill fill = new FloodFill(mousePos, CurrentColor);
DrawingObjects.Add(fill);
currentState = UIState.PreparingToDraw;
break;
default:
throw new NotImplementedException();
}
}
static void Main(string[] args)
{
IDrawingObject[] instances = new IDrawingObject[] { new Line(), new Rectangle() };
foreach (IDrawingObject item in instances)
{
item.Draw(); // 인터페이스를 상속받은 객체의 Draw 메서드가 호출됨.
}
// 자식 클래스로부터 암시적 형변환 가능
IDrawingObject instance = new Line();
instance.Draw();
}
static void Main(string[] args)
{
//ㅇ인터페이스 자체는 new 로 인스턴스화 할 수 없지만 인터페이스 배열은 가능하다.
IDrawingObject[] instances = new IDrawingObject[] { new Line(), new Rectangle() };
foreach (IDrawingObject item in instances)
{
item.Draw(); //인터페이스를 상속받은 개체의 Draw메서드가 호출됨.
}
//자식 클래스로부터 암시적 형변환 가능
IDrawingObject instance = new Line();
instance.Draw();
}
public IDrawingObject SelectObjectAt(Point pos)
{
IDrawingObject selected = null;
foreach (IDrawingObject obj in ObjectToDraw)
{
selected = obj.Intersect(pos);
if (selected != null)
{
selected.Select();
break;
}
}
return(selected);
}
public void OnMouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
IDrawingObject temp = this.TargetCanvas.SelectObjectAt(e.Location);
if (temp != null && temp.ObjName != "LineCon")
{
Console.WriteLine(temp.ObjName);
lineConnector = new LineConnector()
{
A = temp,
To = e.Location
};
this.TargetCanvas.AddDrawingObject(lineConnector);
temp.Deselect();
}
}
}
public void OnMouseDown(object sender, MouseEventArgs e)
{
this.StateLeftMouseDown = true;
if (StateShiftDown)
{
IDrawingObject temp = this.TargetCanvas.SelectObjectAt(e.Location);
if (temp != null)
{
if (this.targetObj.Contains(temp))
{
this.targetObj.Remove(temp);
temp.Deselect();
}
else
{
this.targetObj.Add(temp);
lastPoint = e.Location;
}
}
else
{
foreach (IDrawingObject obj in this.targetObj)
{
obj.Deselect();
}
this.targetObj.Clear();
}
}
else
{
foreach (IDrawingObject obj in this.targetObj)
{
obj.Deselect();
}
this.targetObj.Clear();
IDrawingObject temp = this.TargetCanvas.SelectObjectAt(e.Location);
if (temp != null)
{
this.targetObj.Add(temp);
lastPoint = e.Location;
}
}
}
private void CancelDrawingObject()
{
if (currentlyDrawnObject != null)
{
if (currentlyDrawnObject is Polygon && (currentlyDrawnObject as Polygon).Points.Count > 2)
{
currentlyDrawnPoint = null;
(currentlyDrawnObject as Polygon).RemoveLastPoint();
currentlyDrawnObject = null;
}
else
{
DrawingObjects.Remove(currentlyDrawnObject);
currentlyDrawnObject = null;
currentlyDrawnPoint = null;
}
UpdateMainImage();
}
}
public static void SaveDrawingObject(BinaryWriter writer, IDrawingObject obj)
{
var type = (Int32)obj.GetObjectType();
// write object type
writer.Write(type);
switch (obj.GetObjectType())
{
case DrawingObjectType.Shape:
{
var shape = (ShapeBase)obj;
var shapeType = shape.GetShapeType();
// write shape type
writer.Write((Int32)shapeType);
// write shape location
WritePoint(writer, shape.Location);
// write shape size
WriteSize(writer, shape.Size);
// write shape outline color
WriteColor(writer, shape.OutlineColor);
// write shape outline width
writer.Write(shape.OutlineWidth);
// write shape outline dash
writer.Write((Int32)shape.OutlineDash);
// write shape fill color
WriteColor(writer, shape.FillColor);
if (shapeType != ShapeType.Ellipse)
{
// write count vertex
writer.Write((Int32)shape.Vertices.Count);
foreach (var vertex in shape.Vertices)
{
WriteVertex(writer, vertex);
}
}
}
break;
}
}
public void OnMouseUp(object sender, MouseEventArgs e)
{
if (lineConnector != null)
{
IDrawingObject temp = this.TargetCanvas.SelectObjectAt(e.Location);
if (temp == null)
{
this.TargetCanvas.RemoveDrawingObject(lineConnector);
}
else
{
lineConnector.B = temp;
lineConnector.B = temp;
lineConnector.Deselect();
this.TargetCanvas.RemoveDrawingObject(lineConnector);
this.TargetCanvas.AddDrawingObjectAt(0, lineConnector);
lineConnector = null;
}
}
}
public static void Draw(IDrawingObject p, Canvas c)
{
c.DrawPoint(p as Point);
}
public void AddObject(string key, IDrawingObject o)
{
ObjectList.Add(key, o);
}
public AddedObjectEventArgs(IDrawingObject obj)
{
_object = obj;
}
public void AddNew(IDrawingObject drawingObject)
{
drawingObject.Left = _drawingObjects.Sum(x => x.Width);
_drawingObjects.Add(drawingObject);
}
public static void SaveDrawingObject(BinaryWriter writer, IDrawingObject obj)
{
var type = (Int32)obj.GetObjectType();
// write object type
writer.Write(type);
switch (obj.GetObjectType())
{
case DrawingObjectType.Shape:
{
var shape = (ShapeBase) obj;
var shapeType = shape.GetShapeType();
// write shape type
writer.Write((Int32) shapeType);
// write shape location
WritePoint(writer, shape.Location);
// write shape size
WriteSize(writer, shape.Size);
// write shape outline color
WriteColor(writer, shape.OutlineColor);
// write shape outline width
writer.Write(shape.OutlineWidth);
// write shape outline dash
writer.Write((Int32) shape.OutlineDash);
// write shape fill color
WriteColor(writer, shape.FillColor);
if (shapeType != ShapeType.Ellipse)
{
// write count vertex
writer.Write((Int32)shape.Vertices.Count);
foreach (var vertex in shape.Vertices)
WriteVertex(writer, vertex);
}
}
break;
}
}
public Subscriber1(Shape sh)
{
IDrawingObject drawObj = (IDrawingObject)sh;
drawObj.OnDraw += OnDraw;
}
public void AddObject(IDrawingObject o)
{
ObjectList.Add(_nextId++.ToString("D10"), o);
}
public void AddDrawingObject(IDrawingObject item)
{
_drawingObjects.Add(item);
}
// References the shape object as an IDrawingObject
public Subscriber1(Shape shape)
{
IDrawingObject d = (IDrawingObject)shape;
d.OnDraw += d_OnDraw;
}
public Subscriber1(shape shape)
{
IDrawingObject d = shape;
d.onDrawn += d_OnDraw;
}