public DrawingForm(string templatePath)
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
m_LButtonPressed = false;
m_CtrlPressed = false;
m_bRedoing = false;
m_selectingRect = new System.Drawing.Rectangle(0, 0, 0, 0);
m_selectedPen = new Pen(System.Drawing.Color.FromArgb(150, 0, 0, 255), 1);
m_groupSelPen = new Pen(System.Drawing.Color.FromArgb(255, 200, 200, 200), 1);
m_selectingPen = new Pen(System.Drawing.Color.FromArgb(100, 0, 0, 0), 1);
m_groupSelPen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dot;
m_selectingPen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
m_frmColor = new ColorForm();
m_frmColor.TopLevel = false;
m_frmColor.FormBorderStyle = FormBorderStyle.None;
m_frmColor.Visible = false;
m_frmColor.DrawingStyleChanged += new DrawingStyleChangedEvent(m_frmColor_DrawingStyleChanged);
m_frmColor.FillingStyleChanged += new FillingStyleChangedEvent(m_frmColor_FillingStyleChanged);
m_frmEdit = new EditForm();
m_frmEdit.TopLevel = false;
m_frmEdit.FormBorderStyle = FormBorderStyle.None;
m_frmEdit.Visible = false;
m_frmEdit.CommandSelected += new CommandSelectedEvent(m_frmEdit_CommandSelected);
m_frmLink = new LinkForm();
m_frmLink.TopLevel = false;
m_frmLink.FormBorderStyle = FormBorderStyle.None;
m_frmLink.Visible = false;
m_frmLink.LinkStyleChanged += new LinkStyleChangedEvent(m_frmLink_LinkStyleChanged);
m_frmLink.RemoveLink += new RemoveLinkEvent(m_frmLink_RemoveLink);
m_frmInfo = new InfoForm();
m_frmInfo.TopLevel = false;
m_frmInfo.FormBorderStyle = FormBorderStyle.None;
m_frmInfo.Visible = false;
m_frmInfo.DrawingInfoChanged += new DrawingInfoChanged(m_frmInfo_DrawingInfoChanged);
tagInfo.TagControl = m_frmInfo;
//m_frmLink.LoadLinkStyle(Environment.CurrentDirectory + "\\Links");
tagColor.TagControl = m_frmColor;
tagEdit.TagControl = m_frmEdit;
tagLink.TagControl = m_frmLink;
m_clipBoard = new GOMLib.GOM_Objects();
m_selObjs = new GOMLib.GOM_Objects();
m_rgObjects = new GOMLib.GOM_Objects();
m_bitmap = new Bitmap(plDraw.Width, plDraw.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
m_preprocess = new PreprocessQueue();
m_preprocess.m_bDebugging = false;
m_preprocess.UpdateRequired += new PreprocessOverEvent(m_preprocess_UpdateRequired);
m_preprocess.StartPreprocessThread();
m_recognition = new RecognitionQueue(templatePath);
m_recognition.m_bDebugging = false;
m_recognition.RecognitionStart += new RecognitionEvent(m_recognition_RecognitionStart);
m_recognition.RecognitionEnd += new RecognitionEvent(m_recognition_RecognitionEnd);
m_recognition.RecognitionOver += new RecognitionOverEvent(m_recognition_RecognitionOver);
m_recognition.StartRecognitionThread();
m_rgRedoList= new ArrayList();
m_rgLinks = new GOMLib.GOM_Links();
m_rgStroke = null;
m_sketch = null;
m_selectedPoint = null;
m_selectedLink = null;
m_selectedLinkKeyPoint = null;
m_tracker = new MouseTrackerLib.CTrackerClass();
Graphics.FromImage(m_bitmap).FillRectangle(System.Drawing.Brushes.White, 0, 0, plDraw.Width, plDraw.Height);
}
/// <summary>
/// 1. Draw a stroke
/// 2. Whether 2 end-points of the stroke are on the objects' connectable points?
/// a. Yes: The stroke is a link connecting with two objects.
/// b. No: Whether there is 1 end-point of the stroke is on the object's connectable point?
/// (1) Yes: The stroke is a link whose one end-ponit is connecting an object.
/// Is another end-point on a link's empty connectable point?
/// (a) Yes: Merge to links into one link.
/// (b) No: The other end-point of the link is empty.
/// (2) No: Whether there is 1 end-point on the existing link?
/// (a) Yes: The stroke is a link.
/// (b) No: Add the stroke into the current sketch object.
/// </summary>
public void FinishCurrentSketchStroke()
{
if (m_rgStroke != null)
{
System.Collections.ArrayList rgStroke;
m_tracker.StopTracker();
rgStroke = CalculateSegments(m_rgStroke);
m_rgStroke = null;
// Prepare key points of link
GOMLib.GOM_Points keyPoints = new GOMLib.GOM_Points();
for( int i=1; i<(rgStroke.Count-1); i++)
{
GOMLib.GOM_Point keyPt = new GOMLib.GOM_Point();
keyPt.x = ((GOMLib.SketchPoint)rgStroke[i]).x;
keyPt.y = ((GOMLib.SketchPoint)rgStroke[i]).y;
keyPoints.Add( keyPt );
}
if (rgStroke.Count >= 2)
{
GOMLib.SketchPoint startPt, endPt;
GOMLib.GOM_Point pt, pt1, pt2;
GOMLib.GOM_Interface_Graphic_Object obj1, obj2;
startPt = (GOMLib.SketchPoint)rgStroke[0];
endPt = (GOMLib.SketchPoint)rgStroke[rgStroke.Count - 1];
pt1 = null;
pt2 = null;
obj1 = null;
obj2 = null;
for (int i = 0; i < m_rgObjects.Count; i++)
{
if (pt1 == null)
{
pt = m_rgObjects[i].GetConnectablePointAt(startPt.x, startPt.y);
if (pt != null)
{
pt1 = pt;
obj1 = m_rgObjects[i];
}
}
if (pt2 == null)
{
pt = m_rgObjects[i].GetConnectablePointAt(endPt.x, endPt.y);
if (pt != null)
{
pt2 = pt;
obj2 = m_rgObjects[i];
}
}
}
// 2. Whether 2 end-points of the stroke are on the objects' connectable points?
if ((pt1 != null) && (pt2 != null) && (pt1 != pt2))
{
// a. Yes: The stroke is a link connecting with two objects.
GOMLib.GOM_Link link;
link = GOMLib.GOM_Default_Values.CreateLink(obj1, pt1, obj2, pt2, keyPoints);
AddLinkWithMergemence(link);
DrawObjectsOnCanvas();
return;
}
else
{
// b. No: Whether there is 1 end-point of the stroke is on the object's connectable point?
if ( pt1 != null || pt2 != null )
{
// (1) Yes: The stroke is a link whose one end-ponit is connecting an object.
// Is another end-point on a link's empty connectable point?
GOMLib.GOM_Object_LinkNode linkNode = null;
if ( pt1 == null )
{
linkNode = GetLinkNode(startPt.x, startPt.y);
}
if ( pt2 == null )
{
linkNode = GetLinkNode(endPt.x, endPt.y);
}
if ( linkNode != null )
{
// (a) Yes: Merge to links into one link.
GOMLib.GOM_Link link = null;
if ( pt1 == null )
{
link = GOMLib.GOM_Default_Values.CreateLink(linkNode, linkNode.LinkPoint, obj2, pt2, keyPoints);
}
else
{
link = GOMLib.GOM_Default_Values.CreateLink(obj1, pt1, linkNode, linkNode.LinkPoint, keyPoints);
}
AddLinkWithMergemence(link);
DrawObjectsOnCanvas();
return;
}
else
{
// (b) No: The other end-point of the link is empty.
GOMLib.GOM_Link link = null;
GOMLib.GOM_Object_LinkNode newlinkNode = null;
if ( pt1 == null )
{
newlinkNode = new GOMLib.GOM_Object_LinkNode(startPt.x, startPt.y);
link = GOMLib.GOM_Default_Values.CreateLink( newlinkNode, newlinkNode.LinkPoint, obj2, pt2, keyPoints);
}
else
{
newlinkNode = new GOMLib.GOM_Object_LinkNode(endPt.x, endPt.y);
link = GOMLib.GOM_Default_Values.CreateLink( obj1, pt1, newlinkNode, newlinkNode.LinkPoint, keyPoints);
}
m_rgObjects.Add(newlinkNode);
AddLinkWithMergemence(link);
DrawObjectsOnCanvas();
return;
}
}
else
{
// (2) No: Whether there is 1 end-point on the existing link?
if ( GetLinkByPoint(startPt.x,startPt.y)!=null
|| GetLinkByPoint(endPt.x,endPt.y)!=null )
{
// (a) Yes: The stroke is a link.
GOMLib.GOM_Link link = null;
GOMLib.GOM_Object_LinkNode startLinkNode = null;
GOMLib.GOM_Object_LinkNode endLinkNode = null;
startLinkNode = new GOMLib.GOM_Object_LinkNode(startPt.x, startPt.y);
endLinkNode = new GOMLib.GOM_Object_LinkNode(endPt.x, endPt.y);
link = GOMLib.GOM_Default_Values.CreateLink(startLinkNode, startLinkNode.LinkPoint, endLinkNode, endLinkNode.LinkPoint, keyPoints);
m_rgObjects.Add(startLinkNode);
m_rgObjects.Add(endLinkNode);
AddLinkWithMergemence(link);
DrawObjectsOnCanvas();
return;
}
else
{
// (b) No: Add the stroke into the current sketch object.
// Do nothing.
}
}
}
}
rgStroke = DecodePointTrackFromXML(m_tracker.GetTrack_No_Collinear(plDraw.Handle.ToInt64(), 0.5));
if ((m_sketch != null) && (rgStroke.Count > 1))
{
m_sketch.rgSketchSet.Add(rgStroke);
m_preprocess.PushSketchAndWait(m_sketch, rgStroke);
DrawObjectsOnCanvas();
}
}
}
private void plDraw_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
m_LButtonPressed = false;
}
switch (e.Button)
{
case System.Windows.Forms.MouseButtons.Left:
{
switch (status.Action)
{
case UserActions.Linking:
{
for (int i = 0; i < m_rgObjects.Count; i++)
{
GOMLib.GOM_Point pt;
pt = m_rgObjects[i].GetConnectablePointAt(e.X, e.Y);
if (pt!= null)
{
if ( m_selObjs[0]!=m_rgObjects[i] || m_selectedPoint!=pt )
{
GOMLib.GOM_Link link;
link = GOMLib.GOM_Default_Values.CreateLink( m_selObjs[0], m_selectedPoint, m_rgObjects[i], pt);
AddLinkWithMergemence(link);
m_selObjs.Clear();
m_selectedLink = link;
break;
}
}
}
status.Action = UserActions.Editing;
m_selectedPoint = null;
DrawObjectsOnCanvas();
break;
}
case UserActions.Sketching:
{
FinishCurrentSketchStroke();
break;
}
case UserActions.Editing:
{
break;
}
case UserActions.InsertObject:
{
GOMLib.GOM_Object_Primitive primitive;
primitive = new GOMLib.GOM_Object_Primitive();
primitive.InitializeFromTemplate(status.Template);
primitive.xOffset = e.X;
primitive.yOffset = e.Y;
GOMLib.GOM_Default_Values.ScaleObject(primitive, 25, 25);
m_rgObjects.Add(primitive);
status.Action = UserActions.Editing;
status.Template = null;
m_selObjs.Clear();
m_selObjs.Add(primitive);
DrawObjectsOnCanvas();
break;
}
case UserActions.Controlling:
{
plDraw.Capture = false;
status.Action = UserActions.Editing;
m_selectedPoint = null;
break;
}
case UserActions.Moving:
{
plDraw.Capture = false;
status.Action = UserActions.Editing;
if ( m_selObjs.Count == 1 )
{
GOMLib.GOM_Interface_Graphic_Object graphicObject = m_selObjs[0];
bool touched = false;
for ( int i=0; i<m_rgObjects.Count; i++ )
{
GOMLib.GOM_Object_LinkNode linkNode = m_rgObjects[i] as GOMLib.GOM_Object_LinkNode;
if ( !(graphicObject is GOMLib.GOM_Object_LinkNode) && linkNode != null )
{
GOMLib.GOM_Links links = GetLinks(linkNode);
if ( links.Count == 1 )
{
GOMLib.GOM_Point touchedPoint = graphicObject.GetConnectablePointAt((int)linkNode.xOffset, (int)linkNode.yOffset);
if ( touchedPoint != null )
{
if ( links[0].m_startObj == linkNode )
{
links[0].m_startObj = graphicObject;
links[0].m_startPt = touchedPoint;
}
else
{
links[0].m_endObj = graphicObject;
links[0].m_endPt = touchedPoint;
}
m_rgObjects.Remove(linkNode);
touched = true;
}
}
}
}
if ( touched )
{
DrawObjectsOnCanvas();
}
}
break;
}
case UserActions.MovingKeyPoint:
{
m_selectedLinkKeyPoint = null;
status.Action = UserActions.Editing;
if ( m_selectedLink.m_keyPts != null )
{
ArrayList pts = new ArrayList();
PointF ptf = m_selectedLink.StartPointInCanvas(m_rgObjects);
GOMLib.SketchPoint spt = new GOMLib.SketchPoint();
spt.x = (int)ptf.X;
spt.y = (int)ptf.Y;
pts.Add( spt );
for( int i=0; i<m_selectedLink.m_keyPts.Count; i++ )
{
spt = new GOMLib.SketchPoint();
spt.x = (int)m_selectedLink.m_keyPts[i].x;
spt.y = (int)m_selectedLink.m_keyPts[i].y;
pts.Add( spt );
}
ptf = m_selectedLink.EndPointInCanvas(m_rgObjects);
spt = new GOMLib.SketchPoint();
spt.x = (int)ptf.X;
spt.y = (int)ptf.Y;
pts.Add( spt );
pts = CalculateSegments(pts);
m_selectedLink.m_keyPts = new GOMLib.GOM_Points();
for( int i=0; i<(pts.Count-2); i++ )
{
GOMLib.GOM_Point pt = new GOMLib.GOM_Point();
pt.x = ((GOMLib.SketchPoint)pts[i+1]).x;
pt.y = ((GOMLib.SketchPoint)pts[i+1]).y;
m_selectedLink.m_keyPts.Add( pt );
}
}
DrawObjectsOnCanvas();
break;
}
case UserActions.Selecting:
{
System.Drawing.Region rgn;
System.Drawing.Region rgnIntersect;
System.Drawing.Graphics canvas;
rgn = new Region(m_selectingRect);
canvas = plDraw.CreateGraphics();
for (int i = 0; i < m_rgObjects.Count; i++)
{
rgnIntersect = rgn.Clone();
rgnIntersect.Intersect(m_rgObjects[i].BoundingRegion);
if (!rgnIntersect.IsEmpty(canvas))
{
m_selObjs.Add(m_rgObjects[i]);
}
}
plDraw.Capture = false;
status.Action = UserActions.Editing;
m_selectingRect.X = 0;
m_selectingRect.Y = 0;
m_selectingRect.Width = 0;
m_selectingRect.Height = 0;
DrawObjectsOnCanvas();
break;
}
}
break;
}
}
}
private GOMLib.GOM_Point DecodeXMLToPoint(System.Xml.XmlNode node)
{
GOMLib.GOM_Point pt;
pt = new GOMLib.GOM_Point();
for (int i = 0; i < node.Attributes.Count; i++)
{
if (System.String.Compare(node.Attributes[i].Name, "x", true) == 0)
{
pt.x = float.Parse(node.Attributes[i].Value);
}
if (System.String.Compare(node.Attributes[i].Name, "y", true) == 0)
{
pt.y = float.Parse(node.Attributes[i].Value);
}
}
return pt;
}
private void plDraw_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
GOMLib.GOM_Interface_Graphic_Object selectedObj;
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
m_LButtonPressed = true;
}
switch (e.Button)
{
case System.Windows.Forms.MouseButtons.Right:
{
if ( m_selectedLink!= null && m_selectedLink.IsPointOnLink(e.X, e.Y, m_rgObjects) )
{
m_selectedLink.AddKeyPoint(e.X, e.Y, m_rgObjects);
DrawObjectsOnCanvas();
}
else
{
if (status.Action == UserActions.Sketching)
{
if (!m_LButtonPressed)
{
FinishCurrentSketchObject();
}
}
else
{
ClearRecognitionResult();
m_sketch = new GOMLib.GOM_Object_Sketch();
status.Action = UserActions.Sketching;
if ( DrawingModeChanged != null )
{
DrawingModeChanged(DrawingMode.Sketching);
}
}
DrawObjectsOnCanvas();
}
break;
}
case System.Windows.Forms.MouseButtons.Left:
{
switch (status.Action)
{
case UserActions.Sketching:
{
// FinishCurrentSketchStroke();
ClearRecognitionResult();
DrawObjectsOnCanvas();
m_orgX = -1;
m_orgY = -1;
m_rgStroke = new ArrayList();
m_tracker.StartTracker(true);
break;
}
case UserActions.Editing:
{
GOMLib.GOM_Link link;
plDraw.Capture = true;
selectedObj = null;
m_orgX = e.X;
m_orgY = e.Y;
m_selectedLinkKeyPoint = null;
//Ckeck for link key point at the mouse position
if ( m_selectedLink != null && m_selObjs.Count<=0 )
{
for( int i=0; i<m_selectedLink.m_keyPts.Count; i++)
{
if ( GOMLib.GOM_Default_Values.IsMouseOnPoint(m_selectedLink.m_keyPts[i].x, m_selectedLink.m_keyPts[i].y, e.X, e.Y ) )
{
m_selectedLinkKeyPoint = m_selectedLink.m_keyPts[i];
status.Action = UserActions.MovingKeyPoint;
if ( DrawingModeChanged != null )
{
DrawingModeChanged(DrawingMode.Editing);
}
return;
}
}
}
//Check for object at the mouse position
for (int i = m_rgObjects.Count - 1; i >= 0; i--)
{
if (m_rgObjects[i].IsPointInObject(e.X, e.Y))
{
selectedObj = m_rgObjects[i];
if (!m_selObjs.Contains(selectedObj))
{
if (!m_CtrlPressed)
{
m_selObjs.Clear();
}
m_selObjs.Add(selectedObj);
}
status.Action = UserActions.Moving;
if ( DrawingModeChanged != null )
{
DrawingModeChanged(DrawingMode.Editing);
}
DrawObjectsOnCanvas();
return;
}
}
m_selectedLink = null;
for (int i = 0; i < m_rgLinks.Count; i++)
{
link = (GOMLib.GOM_Link)m_rgLinks[i];
if (link.IsPointOnLink(e.X, e.Y, m_rgObjects))
{
m_selObjs.Clear();
m_selectedLink = link;
DrawObjectsOnCanvas();
return;
}
}
//Check for controllable points
for (int i = 0; i < m_selObjs.Count; i++)
{
m_selectedPoint = m_selObjs[i].GetMovablePointAt(e.X, e.Y);
if (m_selectedPoint != null)
{
status.Action = UserActions.Controlling;
selectedObj = m_selObjs[i];
m_selObjs.Clear();
m_selObjs.Add(selectedObj);
DrawObjectsOnCanvas();
return;
}
}
//Check for connectable points
for (int i = 0; i < m_rgObjects.Count; i++)
{
m_selectedPoint = m_rgObjects[i].GetConnectablePointAt(e.X, e.Y);
if (m_selectedPoint != null)
{
status.Action = UserActions.Linking;
selectedObj = m_rgObjects[i];
m_selObjs.Clear();
m_selObjs.Add(selectedObj);
DrawObjectsOnCanvas();
return;
}
}
//A object is selected. Update the selection list
if (selectedObj != null)
{
if (!m_selObjs.Contains(selectedObj))
{
if (!m_CtrlPressed)
{
m_selObjs.Clear();
}
m_selObjs.Add(selectedObj);
}
status.Action = UserActions.Moving;
if ( DrawingModeChanged != null )
{
DrawingModeChanged(DrawingMode.Editing);
}
}
else
{
if (!m_CtrlPressed)
{
m_selObjs.Clear();
}
m_orgX = e.X;
m_orgY = e.Y;
status.Action = UserActions.Selecting;
if ( DrawingModeChanged != null )
{
DrawingModeChanged(DrawingMode.Editing);
}
}
DrawObjectsOnCanvas();
break;
}
case UserActions.InsertObject:
{
break;
}
}
break;
}
}
}
