public void execute()
{
if (_myGraphic.ShapeType == "ellipse" || _myGraphic.ShapeType == "rectangle")
{
MathTool.getInstance().MoveStrokes(_myGraphic.Strokes, offset_x, offset_y);
MathTool.getInstance().MoveStrokes(_myGraphic.textStrokeCollection, offset_x, offset_y);
MathTool.getInstance().MoveStrokes(_myGraphic.PentagramStrokes, offset_x, offset_y);
_myGraphic.Shape.Margin = new Thickness(_myGraphic.Shape.Margin.Left + offset_x, _myGraphic.Shape.Margin.Top + offset_y, 0, 0);
//GraphicMathTool.getInstance().SearchRelationByPosition(_myGraphic, MyGraphics, _inkCollector);
//修改直线
List <GraphicLinkNode> glns = _inkCollector.Sketch.getGraphicLinkNodesBySelfMyGraphicID(_myGraphic.MyGraphicID);
foreach (GraphicLinkNode gln in glns)
{
MyGraphic relativeGraphic = _inkCollector.Sketch.getMyGraphicByID(gln.MyGraphicID);
if (relativeGraphic != null)
{
if (relativeGraphic.ShapeType == "arrow" || relativeGraphic.ShapeType == "loopArc" || relativeGraphic.ShapeType == "polylineArrow")
{
ZoomAndRotate(gln, relativeGraphic);
}
else if (relativeGraphic.ShapeType == "loopArcSelf")
{
((System.Windows.Shapes.Line)relativeGraphic.Shape).X1 = ((System.Windows.Shapes.Line)relativeGraphic.Shape).X1 + offset_x;
((System.Windows.Shapes.Line)relativeGraphic.Shape).Y1 = ((System.Windows.Shapes.Line)relativeGraphic.Shape).Y1 + offset_y;
((System.Windows.Shapes.Line)relativeGraphic.Shape).X2 = ((System.Windows.Shapes.Line)relativeGraphic.Shape).X2 + offset_x;
((System.Windows.Shapes.Line)relativeGraphic.Shape).Y2 = ((System.Windows.Shapes.Line)relativeGraphic.Shape).Y2 + offset_y;
MathTool.getInstance().MoveStrokes(relativeGraphic.Strokes, offset_x, offset_y);
}
}
}
}
}
public DeleteMyGraphicCommand(InkCollector inkcollector, MyGraphic myGraphic)
{
_inkcollector = inkcollector;
_sketch = _inkcollector.Sketch;
_myGraphic = myGraphic;
_strokes = myGraphic.Strokes;
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="strokeCollection"></param>
/// <param name="offset_x"></param>
/// <param name="offset_y"></param>
public MyGraphicMoveCommand(MyGraphic myGraphic, double offset_x, double offset_y, InkCollector inkCollector)
{
this._myGraphic = myGraphic;
this.offset_x = offset_x;
this.offset_y = offset_y;
MyGraphics = inkCollector.Sketch.MyGraphics;
this._inkCollector = inkCollector;
}
public override void _presenter_MouseLeftButtonUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
InkCanvas inkCanvas = (InkCanvas)sender;
Stroke lastStroke = inkCanvas.Strokes[inkCanvas.Strokes.Count - 1];
if (analyze.RootNode.Strokes.IndexOf(lastStroke) == -1)
{
analyze.AddStroke(inkCanvas.Strokes[inkCanvas.Strokes.Count - 1]);
}
analyze.BackgroundAnalyze();
string analyzeStr = analyze.GetRecognizedString();
MyGraphic MyGraphicContrainStroke = _inkCollector.Sketch.getMyGraphicContrainStroke(lastStroke);
if (MyGraphicContrainStroke != null)
{
if (MyGraphicContrainStroke.textStrokeCollection.IndexOf(lastStroke) == -1)
{
MyGraphicContrainStroke.addTextStroke(lastStroke);
MyGraphicContrainStroke.Text = analyzeStr;
//Console.WriteLine("analyzeStr:" + analyzeStr);
}
}
}
/// <summary>
/// 增加一个graphic
/// </summary>
/// <param name="image"></param>
public void AddMyGraphic(MyGraphic myGraphic)
{
foreach (Stroke s in myGraphic.Strokes)
{
if (_inkCanvas.Strokes.IndexOf(s) == -1)
{
_inkCanvas.Strokes.Add(s);
}
}
foreach (Stroke s in myGraphic.textStrokeCollection)
{
if (_inkCanvas.Strokes.IndexOf(s) == -1)
{
_inkCanvas.Strokes.Add(s);
}
}
if (myGraphic.PentagramStrokes != null)
{
_inkCanvas.Strokes.Add(myGraphic.PentagramStrokes);
}
_inkCanvas.Children.Add(myGraphic.Shape);
Sketch.AddMyGraphic(myGraphic);
}
void _inkCanvas_StrokeCollected_StrokeInGraphic(object sender, InkCanvasStrokeCollectedEventArgs e)
{
InkCanvas inkCanvas = (InkCanvas)sender;
Stroke lastStroke = inkCanvas.Strokes[inkCanvas.Strokes.Count - 1];
if (analyze.RootNode.Strokes.IndexOf(lastStroke) == -1)
{
analyze.AddStroke(inkCanvas.Strokes[inkCanvas.Strokes.Count - 1]);
}
analyze.BackgroundAnalyze();
string analyzeStr = analyze.GetRecognizedString();
MyGraphic MyGraphicContrainStroke = InkCollector.Sketch.getMyGraphicContrainStroke(lastStroke);
if (MyGraphicContrainStroke != null)
{
if (MyGraphicContrainStroke.textStrokeCollection.IndexOf(lastStroke) == -1)
{
MyGraphicContrainStroke.addTextStroke(lastStroke);
MyGraphicContrainStroke.Text = analyzeStr;
//Console.WriteLine("analyzeStr" + analyzeStr);
}
}
}
/// <summary>
/// 删除graphic
/// </summary>
/// <param name="image"></param>
public void RemoveMyGraphic(MyGraphic myGraphic)
{
_inkCanvas.Children.Remove(myGraphic.Shape);
foreach (Stroke s in myGraphic.Strokes)
{
if (_inkCanvas.Strokes.IndexOf(s) != -1)
{
_inkCanvas.Strokes.Remove(s);
}
}
foreach (Stroke s in myGraphic.textStrokeCollection)
{
if (_inkCanvas.Strokes.IndexOf(s) != -1)
{
_inkCanvas.Strokes.Remove(s);
}
}
if (myGraphic.PentagramStrokes != null)
{
_inkCanvas.Strokes.Remove(myGraphic.PentagramStrokes);
}
GraphicMathTool.getInstance().searchExistRelationAndRemove(myGraphic, Sketch.MyGraphics, this);
Sketch.RemoveMyGraphic(myGraphic);
}
/// <summary>
/// 获得mg的下一个相连图形
/// </summary>
/// <param name="mg"></param>
/// <returns></returns>
public MyGraphic getNextMyGraphic(MyGraphic mg)
{
return getMyGraphicByID(getGraphicLinkNodeByID(mg.GraphicLinkNodeID).MyGraphicID);
}
/// <summary>
/// 删除一个stroke
/// </summary>
/// <param name="stroke"></param>
public void RemoveMyGraphic(MyGraphic myGraphic)
{
///删除一个stroke
MyGraphics.Remove(myGraphic);
}
/// <summary>
/// 在sketch中增加一个stroke
/// </summary>
/// <param name="stroke"></param>
public void AddMyGraphic(MyGraphic myGraphic)
{
///增加一个stroke，列表，group等等
MyGraphics.Add(myGraphic);
}
public _graphicpos(MyGraphic _g, double _left, double _top)
{
g = _g; left = _left; top = _top;
}
/// <summary>
/// 这个辅助函数用来删掉一个子graphic
/// </summary>
public void Remove(MyGraphic g)
{
_graphicpos mgp = null;
foreach (_graphicpos gp in _list)
{
if (gp.g == g)
{
mgp = gp;
break;
}
}
if (mgp != null)
{
_list.Remove(mgp);
}
}
public override void Add(MyGraphic g, double left = 0.0f, double top = 0.0f)
{
g.Father = this;
_list.Add(new _graphicpos(g, left, top));
_currentindex = -1;
}
public AddMyGraphicCommand(InkCollector _inkCollector, MyGraphic myGraphic)
{
this._myGraphic = myGraphic;
this._inkCollector = _inkCollector;
}
private void ZoomAndRotate(GraphicLinkNode gln, MyGraphic relativeGraphic)
{
Matrix m1 = new Matrix();
Matrix m2 = new Matrix();
Matrix m3 = new Matrix();
double zoomScale = 1;
double preX1 = ((System.Windows.Shapes.Line)relativeGraphic.Shape).X1;
double preY1 = ((System.Windows.Shapes.Line)relativeGraphic.Shape).Y1;
double preX2 = ((System.Windows.Shapes.Line)relativeGraphic.Shape).X2;
double preY2 = ((System.Windows.Shapes.Line)relativeGraphic.Shape).Y2;
double nowX1 = preX1 + offset_x;
double nowY1 = preY1 + offset_y;
double nowX2 = preX2 + offset_x;
double nowY2 = preY2 + offset_y;
double preLength = MathTool.getInstance().distanceP2P(new StylusPoint(preX2, preY2), new StylusPoint(preX1, preY1));
double nowLength;
if (gln.Rule == "HeadIntersect")//修改第一个点
{
((System.Windows.Shapes.Line)relativeGraphic.Shape).X1 = nowX1;
((System.Windows.Shapes.Line)relativeGraphic.Shape).Y1 = nowY1;
if (relativeGraphic.ShapeType == "arrow" || relativeGraphic.ShapeType == "loopArc")
{
double angle1 = MathTool.getInstance().getAngleP2P(new StylusPoint(preX1, preY1), new StylusPoint(preX2, preY2));
double angle2 = MathTool.getInstance().getAngleP2P(new StylusPoint(nowX1, nowY1), new StylusPoint(preX2, preY2));
double angle = angle2 - angle1;//旋转角度
nowLength = MathTool.getInstance().distanceP2P(new StylusPoint(preX2, preY2), new StylusPoint(nowX1, nowY1));
if (preLength == 0 || nowLength == 0)
{
zoomScale = 1;
}
else
{
zoomScale = nowLength / preLength;
}
m1.RotateAt(-angle, preX2, preY2);
m2.ScaleAt(zoomScale, zoomScale, preX2, preY2);
Matrix m = m1 * m2;
relativeGraphic.Strokes[0].Transform(m, true);
relativeGraphic.Strokes[0].DrawingAttributes.StylusTipTransform = new Matrix(1, 0, 0, 1, 0, 0);
relativeGraphic.Strokes[1].Transform(m1, true);
if (relativeGraphic.Strokes.Count == 3)//笔迹数为3时
{
relativeGraphic.Strokes[2].Transform(m1, true);
}
}
}
else if (gln.Rule == "TailIntersect")//修改最后点
{
((System.Windows.Shapes.Line)relativeGraphic.Shape).X2 = nowX2;
((System.Windows.Shapes.Line)relativeGraphic.Shape).Y2 = nowY2;
if (relativeGraphic.ShapeType == "arrow" || relativeGraphic.ShapeType == "loopArc")
{
double angle1 = MathTool.getInstance().getAngleP2P(new StylusPoint(preX2, preY2), new StylusPoint(preX1, preY1));
double angle2 = MathTool.getInstance().getAngleP2P(new StylusPoint(nowX2, nowY2), new StylusPoint(preX1, preY1));
double angle = angle2 - angle1;//旋转角度
nowLength = MathTool.getInstance().distanceP2P(new StylusPoint(nowX2, nowY2), new StylusPoint(preX1, preY1));
if (preLength == 0 || nowLength == 0)
{
zoomScale = 1;
}
else
{
zoomScale = nowLength / preLength;
}
m1.RotateAt(-angle, preX1, preY1);
relativeGraphic.Strokes[0].Transform(m1, false);
m2.ScaleAt(zoomScale, zoomScale, preX1, preY1);
relativeGraphic.Strokes[0].Transform(m2, false);
//************************************
//用于计算箭头的头部移动位置
StylusPoint p = new StylusPoint(preX2, preY2);
StylusPointCollection ps = new StylusPointCollection();
ps.Add(p);
Stroke s = new Stroke(ps);
//*************************************
//箭的头部只旋转和移动，不缩放
if (relativeGraphic.Strokes.Count == 2)//笔迹数为2时
{
relativeGraphic.Strokes[1].Transform(m1, false);
s.Transform(m1, false);
m3.Translate(nowX2 - s.StylusPoints[0].X, nowY2 - s.StylusPoints[0].Y);
relativeGraphic.Strokes[1].Transform(m3, false);
}
else if (relativeGraphic.Strokes.Count == 3)//笔迹数为3时
{
relativeGraphic.Strokes[1].Transform(m1, false);
relativeGraphic.Strokes[2].Transform(m1, false);
s.Transform(m1, false);
m3.Translate(nowX2 - s.StylusPoints[0].X, nowY2 - s.StylusPoints[0].Y);
relativeGraphic.Strokes[1].Transform(m3, false);
relativeGraphic.Strokes[2].Transform(m3, false);
}
}
}
}