/// <summary>
/// Add new object to draw area.
/// Function is called when user left-clicks draw area,
/// and one of ToolObject-derived tools is active.
/// </summary>
/// <param name="drawArea"></param>
/// <param name="o"></param>
protected void AddNewObject(DrawArea drawArea, DrawObject o)
{
drawArea.GraphicsList.UnselectAll();
o.Selected = true;
drawArea.GraphicsList.Add(o);
drawArea.Capture = true;
drawArea.Refresh();
drawArea.SetDirty();
}
/// <summary>
/// Add new object to draw area.
/// Function is called when user left-clicks draw area,
/// and one of ToolObject-derived tools is active.
/// </summary>
/// <param name="drawArea"></param>
/// <param name="o"></param>
protected void AddNewObject(DrawArea drawArea, DrawObject o)
{
drawArea.GraphicsList.UnselectAll();
o.Selected = true;
drawArea.GraphicsList.Add(o);
drawArea.Capture = true;
drawArea.Refresh();
drawArea.SetDirty();
}
/// <summary>
/// Right mouse button is released
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseUp(DrawArea drawArea, MouseEventArgs e)
{
int al = drawArea.TheLayers.ActiveLayerIndex;
if (selectMode == SelectionMode.NetSelection)
{
// Group selection
drawArea.TheLayers[al].Graphics.SelectInRectangle(drawArea.NetRectangle);
selectMode = SelectionMode.None;
drawArea.DrawNetRectangle = false;
}
if (resizedObject != null)
{
// after resizing
resizedObject.Normalize();
if (drawArea.UpdateDrawObject != null)
{
List <DrawObject> drawObjectList = new List <DrawObject>();
drawObjectList.Add(resizedObject);
drawArea.UpdateDrawObject.BeginInvoke(drawObjectList, null, null);
}
resizedObject = null;
}
drawArea.Capture = false;
drawArea.Invalidate();
if (commandChangeState != null && wasMove)
{
if (drawArea.UpdateDrawObject != null)
{
List <DrawObject> drawObjectList = new List <DrawObject>();
foreach (DrawObject o in drawArea.TheLayers[al].Graphics.Selection)
{
drawObjectList.Add(o);
}
drawArea.UpdateDrawObject.BeginInvoke(drawObjectList, null, null);
}
// Keep state after moving/resizing and add command to history
commandChangeState.NewState(drawArea.TheLayers);
drawArea.AddCommandToHistory(commandChangeState);
commandChangeState = null;
}
lastPoint = drawArea.BackTrackMouse(e.Location);
}
// private
/// <summary>
/// Copy fields from this instance to cloned instance drawObject.
/// Called from Clone functions of derived classes.
/// </summary>
/// <param name="drawObject">Object being cloned</param>
protected void FillDrawObjectFields(DrawObject drawObject)
{
drawObject.selected = selected;
drawObject.color = color;
drawObject.penWidth = penWidth;
drawObject.ID = ID;
drawObject._brushType = _brushType;
drawObject._penType = _penType;
drawObject.drawBrush = drawBrush;
drawObject.drawpen = drawpen;
drawObject.fillColor = fillColor;
drawObject._rotation = _rotation;
drawObject._center = _center;
}
public SwitchEditDialog(string monitorID, int portID, string deviceID, DrawObject obj)
{
InitializeComponent();
this.monitorID = monitorID;
this.portID = portID.ToString();
this.deviceID = deviceID;
label1.Text = "监控端口";
textBox1.Text = this.monitorID;
label2.Visible = textBox2.Visible =
label3.Visible = textBox3.Visible = true;
textBox2.Text = this.deviceID;
textBox3.Text = this.portID;
}
/// <summary>
/// Delete drawobject
/// </summary>
/// <param name="o"></param>
/// <returns></returns>
public bool DeleteDrawObject(DrawObject o)
{
int n = graphicsList.Count;
for (int i = n - 1; i >= 0; i--)
{
if (((DrawObject)graphicsList[i]) == o)
{
graphicsList.RemoveAt(i);
_isDirty = true;
return(true);
}
}
return(false);
}
/// <summary>
/// Add new object to draw area.
/// Function is called when user left-clicks draw area,
/// and one of ToolObject-derived tools is active.
/// </summary>
/// <param name="drawArea"></param>
/// <param name="o"></param>
protected void AddNewObject(DrawArea drawArea, DrawObject o)
{
int al = drawArea.TheLayers.ActiveLayerIndex;
drawArea.TheLayers[al].Graphics.UnselectAll();
o.Selected = true;
o.Dirty = true;
// Set the object id now
o.ID = DrawObject.sCurrentDrawObjectId++;
drawArea.TheLayers[al].Graphics.Add(o);
drawArea.Capture = true;
mDrawObject = o;
drawArea.Invalidate();
}
/// <summary>
/// Right-click handler
/// </summary>
/// <param name="e"></param>
private void OnContextMenu(MouseEventArgs e)
{
// Change current selection if necessary
var point = new Point(e.X, e.Y);
int n = GraphicsList.Count;
DrawObject o = null;
for (int i = 0; i < n; i++)
{
if (GraphicsList[i].HitTest(point) == 0)
{
o = GraphicsList[i];
break;
}
}
if (o != null)
{
if (!o.Selected)
{
GraphicsList.UnselectAll();
}
// Select clicked object
o.Selected = true;
_bringToFrontToolStripMenuItem.Enabled = true;
_sendToBackToolStripMenuItem.Enabled = true;
_cutToolStripMenuItem.Enabled = true;
_copyToolStripMenuItem.Enabled = true;
_deleteToolStripMenuItem.Enabled = true;
}
else
{
_bringToFrontToolStripMenuItem.Enabled = false;
_sendToBackToolStripMenuItem.Enabled = false;
_cutToolStripMenuItem.Enabled = false;
_copyToolStripMenuItem.Enabled = false;
_deleteToolStripMenuItem.Enabled = false;
GraphicsList.UnselectAll();
}
_pasteToolStripMenuItem.Enabled = GraphicsList.AreItemsInMemory();
_contextMenuStrip.Show(MousePosition);
Refresh();
}
/// <summary>
/// Get properties from selected objects and fill GraphicsProperties instance
/// </summary>
/// <returns></returns>
private GraphicsProperties GetProperties()
{
GraphicsProperties properties = new GraphicsProperties();
int n = SelectionCount;
if (n < 1)
{
return(properties);
}
DrawObject o = GetSelectedObject(0);
int firstColor = o.Color.ToArgb();
int firstPenWidth = o.PenWidth;
bool allColorsAreEqual = true;
bool allWidthAreEqual = true;
for (int i = 1; i < n; i++)
{
if (GetSelectedObject(i).Color.ToArgb() != firstColor)
{
allColorsAreEqual = false;
}
if (GetSelectedObject(i).PenWidth != firstPenWidth)
{
allWidthAreEqual = false;
}
}
if (allColorsAreEqual)
{
properties.ColorDefined = true;
properties.Color = Color.FromArgb(firstColor);
}
if (allWidthAreEqual)
{
properties.PenWidthDefined = true;
properties.PenWidth = firstPenWidth;
}
return(properties);
}
/// <summary>
/// Right mouse button is released
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseUp(ImageDrawBox drawArea, MouseEventArgs e)
{
if (selectMode == SelectionMode.NetSelection)
{
// Remove old selection rectangle
ControlPaint.DrawReversibleFrame(
drawArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint)),
Color.Black,
FrameStyle.Dashed);
//Point pointscroll = GetEventPointInArea(drawArea, e);
// Make group selection
//zhoujin - user zoomfactor
//drawArea.GraphicsList.SelectInRectangle(
// DrawRectangle.GetNormalizedRectangle(new Point(startPoint.X + Math.Abs(drawArea.AutoScrollPosition.X), startPoint.Y + Math.Abs(drawArea.AutoScrollPosition.Y)),
// new Point(lastPoint.X + Math.Abs(drawArea.AutoScrollPosition.X), lastPoint.Y + Math.Abs(drawArea.AutoScrollPosition.Y))));
double zoomFactor = drawArea.ZoomFactor;
drawArea.GraphicsList.SelectInRectangle(
DrawRectangle.GetNormalizedRectangle(new Point(ConvertToZoomed(startPoint.X, zoomFactor), ConvertToZoomed(startPoint.Y, zoomFactor)),
new Point(ConvertToZoomed(lastPoint.X, zoomFactor), ConvertToZoomed(lastPoint.Y, zoomFactor))));
selectMode = SelectionMode.None;
}
if (resizedObject != null)
{
// after resizing
resizedObject.Normalize();
resizedObject = null;
}
drawArea.Capture = false;
drawArea.Refresh();
drawArea.GraphicsList.Dirty = true;
if (commandChangeState != null && wasMove)
{
// Keep state after moving/resizing and add command to history
commandChangeState.NewState(drawArea.GraphicsList);
drawArea.AddCommandToHistory(commandChangeState);
commandChangeState = null;
}
}
public override void OnMouseUp(DrawArea drawArea, MouseEventArgs e)
{
if (_selectMode == SelectionMode.NetSelection)
{
// âûáîð ãðóïïû
drawArea.GraphicsList.SelectInRectangle(drawArea.NetRectangle);
_selectMode = SelectionMode.None;
drawArea.DrawNetRectangle = false;
}
if (_resizedObject != null)
{
// ïîñëå ðåñàéçà
_resizedObject.Normalize();
_resizedObject = null;
drawArea.ResizeCommand(drawArea.GraphicsList.GetFirstSelected(),
new PointF(_startPoint.X, _startPoint.Y),
new PointF(e.X, e.Y),
_resizedObjectHandle);
}
drawArea.Capture = false;
drawArea.Refresh();
//ïóøàåì êîìàíäó â undo/redo ëèñò
if (_selectMode == SelectionMode.Move)
{
var movedItemsList = new ArrayList();
for (int i = 0; i < drawArea.GraphicsList.SelectionCount; i++)
{
movedItemsList.Add(drawArea.GraphicsList.GetSelectedObject(i));
}
var delta = new PointF {
X = e.X - _startPoint.X, Y = e.Y - _startPoint.Y
};
drawArea.MoveCommand(movedItemsList, delta);
}
IsComplete = true;
}
/// <summary>
/// Right mouse button is released
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseUp(DrawArea drawArea, MouseEventArgs e)
{
if (_selectMode == SelectionMode.NetSelection)
{
// Group selection
drawArea.GraphicsList.SelectInRectangle(drawArea.NetRectangle);
_selectMode = SelectionMode.None;
drawArea.DrawNetRectangle = false;
}
if (_resizedObject != null)
{
// after resizing
_resizedObject.Normalize();
_resizedObject = null;
drawArea.ResizeCommand(drawArea.GraphicsList.GetFirstSelected(),
new PointF(_startPoint.X, _startPoint.Y),
new PointF(e.X, e.Y),
_resizedObjectHandle);
}
drawArea.Capture = false;
drawArea.Refresh();
//push the command to undo/Redo list now
if (_selectMode == SelectionMode.Move)
{
var movedItemsList = new ArrayList();
for (int i = 0; i < drawArea.GraphicsList.SelectionCount; i++)
{
movedItemsList.Add(drawArea.GraphicsList.GetSelectedObject(i));
}
var delta = new PointF {
X = e.X - _startPoint.X, Y = e.Y - _startPoint.Y
};
drawArea.MoveCommand(movedItemsList, delta);
}
IsComplete = true;
}
// Replace objects in graphicsList with objects from list
private void ReplaceObjects(GraphicsList graphicsList, List <DrawObject> list)
{
for (int i = 0; i < graphicsList.Count; i++)
{
DrawObject replacement = null;
foreach (DrawObject o in list)
{
if (o.ID == graphicsList[i].ID)
{
replacement = o;
break;
}
}
if (replacement != null)
{
graphicsList.Replace(i, replacement);
}
}
}
/// <summary>
/// Right mouse button is released
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseUp(DrawArea drawArea, MouseEventArgs e)
{
if (selectMode == SelectionMode.NetSelection)
{
// Group selection
drawArea.GraphicsList.SelectInRectangle(drawArea.NetRectangle);
selectMode = SelectionMode.None;
drawArea.DrawNetRectangle = false;
}
if (resizedObject != null)
{
// after resizing
resizedObject.Normalize();
resizedObject = null;
}
drawArea.Capture = false;
drawArea.Refresh();
}
/// <summary>
/// Left mouse is released.
/// New object is created and resized.
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseUp(DrawArea drawArea, MouseEventArgs e)
{
int al = drawArea.TheLayers.ActiveLayerIndex;
if (drawArea.TheLayers[al].Graphics.Count > 0)
{
drawArea.TheLayers[al].Graphics[0].Normalize();
}
if ((drawArea.ActiveTool != DrawArea.DrawToolType.Polygon) ||
((drawArea.ActiveTool == DrawArea.DrawToolType.Polygon) && (e.Button == MouseButtons.Right)))
{
drawArea.ActiveTool = DrawArea.DrawToolType.Pointer;
drawArea.AddDrawObject?.BeginInvoke(mDrawObject, null, null);
drawArea.AddCommandToHistory(new CommandAdd(mDrawObject));
mDrawObject = null;
}
drawArea.Capture = false;
drawArea.Invalidate();
}
/// <summary>
/// Add new object to draw area.
/// Function is called when user left-clicks draw area,
/// and one of ToolObject-derived tools is active.
/// </summary>
/// <param name="drawArea"></param>
/// <param name="o"></param>
protected void AddNewObject(DrawArea drawArea, DrawObject o)
{
int al = drawArea.TheLayers.ActiveLayerIndex;
drawArea.TheLayers[al].Graphics.UnselectAll();
o.Selected = true;
o.Dirty = true;
int objectID = 0;
// Set the object id now
for (int i = 0; i < drawArea.TheLayers.Count; i++)
{
objectID = +drawArea.TheLayers[i].Graphics.Count;
}
objectID++;
o.ID = objectID;
drawArea.TheLayers[al].Graphics.Add(o);
drawArea.Capture = true;
drawArea.Refresh();
}
private static Point TestForConnection(DrawArea drawArea, Point p, out int objectID)
{
// Determine if within 5 pixels of a connection point
// Step 1: see if a 5 x 5 rectangle centered on the mouse cursor intersects with an object
// Step 2: If it does, then see if there is a connection point within the rectangle
// Step 3: If there is, move the point to the connection point, record the object's id in the connector
//
objectID = -1;
Rectangle testRectangle = new Rectangle(p.X - 2, p.Y - 2, 5, 5);
int al = drawArea.TheLayers.ActiveLayerIndex;
bool connectionHere = false;
Point h = new Point(-1, -1);
GraphicsList gl = drawArea.TheLayers[al].Graphics;
for (int i = 1; i < gl.Count; i++)
{
if (gl[i].IntersectsWith(testRectangle))
{
DrawObject obj = (DrawObject)gl[i];
for (int j = 1; j < obj.HandleCount + 1; j++)
{
h = obj.GetHandle(j);
if (testRectangle.Contains(h))
{
connectionHere = true;
p = h;
objectID = obj.ID;
// obj.DrawConnection(drawArea., j);
break;
}
}
}
if (connectionHere)
{
break;
}
}
return(p);
}
/// <summary>
/// Left mouse is released.
/// New object is created and resized.
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseUp(ImageDrawBox drawArea, MouseEventArgs e)
{
drawArea.GraphicsList[0].Normalize();
drawArea.AddCommandToHistory(new CommandAdd(drawArea.GraphicsList[0]));
drawArea.ActiveTool = ImageDrawBox.DrawToolType.Pointer;
//TODO : 这部分代码需要整理
//zhoujin: 如果是正在定标则删除图形，并弹出定标窗口
if (drawArea.DrawMode == ImageDrawBox.DrawingMode.SetUnit)
{
DrawObject drawObj = drawArea.GraphicsList[0];
//定标只支持用画直线的方式
if (drawObj is DrawLine)
{
DrawLine drawLine = drawObj as DrawLine;
double pxLen = CalcLenght(drawLine.StartPoint, drawLine.EndPoint);
SetUnitForm setUnitForm = new SetUnitForm(drawArea, pxLen);
setUnitForm.ShowDialog();
drawArea.GraphicsList.DeleteLastAddedObject();
drawArea.DrawMode = ImageDrawBox.DrawingMode.Measure;
}
}
if (drawArea.DrawMode == ImageDrawBox.DrawingMode.SetROI)
{
DrawObject drawObj = drawArea.GraphicsList[0];
//设置ROI只支持用矩形绘制
if (drawObj is DrawRectangle)
{
DrawRectangle drawRect = drawObj as DrawRectangle;
drawArea.SetROI(drawRect.GetBoundingBox());
drawArea.GraphicsList.DeleteLastAddedObject();
drawArea.DrawMode = ImageDrawBox.DrawingMode.Measure;
}
}
drawArea.Capture = false;
drawArea.Refresh();
drawArea.GraphicsList.Dirty = true;
}
/// <summary>
/// Returns (-1), (0), (+1) to represent the relative Z-order of the object being compared with this object
/// </summary>
/// <param name="obj">DrawObject that is compared to this object</param>
/// <returns> (-1) if the object is less (further back) than this object.
/// (0) if the object is equal to this object (same level graphically).
/// (1) if the object is greater (closer to the front) than this object.</returns>
public int CompareTo(object obj)
{
DrawObject d = obj as DrawObject;
int x = 0;
if (d != null)
{
if (d.ZOrder == ZOrder)
{
x = 0;
}
else if (d.ZOrder > ZOrder)
{
x = -1;
}
else
{
x = 1;
}
}
return(x);
}
/// <summary>
/// Right-click handler
/// </summary>
/// <param name="e"></param>
private void OnContextMenu(MouseEventArgs e)
{
// Change current selection if necessary
Point point = BackTrackMouse(new Point(e.X, e.Y));
Point menuPoint = new Point(e.X, e.Y);
int al = _layers.ActiveLayerIndex;
int n = _layers[al].Graphics.Count;
DrawObject o = null;
for (int i = 0; i < n; i++)
{
if (_layers[al].Graphics[i].HitTest(point) == 0)
{
o = _layers[al].Graphics[i];
break;
}
}
if (o != null)
{
if (!o.Selected)
{
_layers[al].Graphics.UnselectAll();
}
// Select clicked object
o.Selected = true;
}
else
{
_layers[al].Graphics.UnselectAll();
}
Refresh();
Owner.ctxtMenu.Show(this, menuPoint);
}
public bool LoadFromXml(XmlTextReader reader)
{
ErrH.Log("DrawArea", "LoadFromXML", "", ErrH._LogPriority.Info);
_graphicsList.Clear();
var svg = new SvgDoc();
if (!svg.LoadFromFile(reader))
{
return(false);
}
SvgRoot root = svg.GetSvgRoot();
if (root == null)
{
return(false);
}
try
{
SizePicture = new SizeF(DrawObject.ParseSize(root.Width, DrawObject.Dpi.X),
DrawObject.ParseSize(root.Height, DrawObject.Dpi.Y));
}
catch
{
}
_mOriginalSize = SizePicture;
SvgElement ele = root.getChild();
_mScale = new SizeF(1, 1);
if (ele != null)
{
_graphicsList.AddFromSvg(ele);
}
Description = _graphicsList.Description;
return(true);
}
public void SelectByTag(Object tag)
{
if (_layers != null)
{
Int32 count = _layers.Count;
for (Int32 i = 0; i < count; i++)
{
Layer layer = _layers[i];
if (layer != null)
{
layer.Graphics.UnselectAll();
}
}
int lc = _layers.Count;
for (int i = 0; i < lc; i++)
{
if (_layers[i].IsVisible)
{
if (_layers[i].Graphics != null)
{
count = _layers[i].Graphics.Count;
for (Int32 n = 0; n < count; n++)
{
DrawObject drawObject = _layers[i].Graphics[n];
if (tag == drawObject.Tag)
{
drawObject.Selected = true;
return;
}
}
}
}
}
}
}
/// <summary>
/// Right-click handler
/// </summary>
/// <param name="e"></param>
private void OnContextMenu(MouseEventArgs e)
{
// Change current selection if necessary
Point point = new Point(e.X, e.Y);
int n = GraphicsList.Count;
DrawObject o = null;
for (int i = 0; i < n; i++)
{
if (GraphicsList[i].HitTest(point) == 0)
{
o = GraphicsList[i];
break;
}
}
if (o != null)
{
if (!o.Selected)
{
GraphicsList.UnselectAll();
}
// Select clicked object
o.Selected = true;
}
else
{
GraphicsList.UnselectAll();
}
Refresh();
// Show context menu.
// Make ugly trick which saves a lot of code.
// Get menu items from Edit menu in main form and
// make context menu from them.
// These menu items are handled in the parent form without
// any additional efforts.
MainMenu mainMenu = Owner.Menu; // Main menu
MenuItem editItem = mainMenu.MenuItems[1]; // Edit submenu
// Make array of items for ContextMenu constructor
// taking them from the Edit submenu
MenuItem[] items = new MenuItem[editItem.MenuItems.Count];
for (int i = 0; i < editItem.MenuItems.Count; i++)
{
items[i] = editItem.MenuItems[i];
}
Owner.SetStateOfControls(); // enable/disable menu items
// Create and show context menu
ContextMenu menu = new ContextMenu(items);
menu.Show(this, point);
// Restore items in the Edit menu (without this line Edit menu
// is empty after forst right-click)
editItem.MergeMenu(menu);
}
// Create this command with DrawObject instance added to the list
public CommandAdd(DrawObject drawObject) : base()
{
// Keep copy of added object
this.drawObject = drawObject.Clone();
}
// Create this command with DrawObject instance added to the list
public CommandAdd(DrawObject drawObject)
: base()
{
// Keep copy of added object
this.drawObject = drawObject.Clone();
}
/// <summary>
/// Thanks to Member 3272353 for this fix to object ordering problem.
/// </summary>
/// <param name="obj"></param>
public void Append(DrawObject obj)
{
graphicsList.Add(obj);
}
public void Add(DrawObject obj)
{
// insert to the top of z-order
graphicsList.Insert(0, obj);
}
public void Add(DrawObject obj)
{
// insert to the top of z-order
graphicsList.Insert(0, obj);
}
/// <summary>
/// Insert object to specified place.
/// Used for Undo.
/// </summary>
public void Insert(int index, DrawObject obj)
{
if ( index >= 0 && index < graphicsList.Count )
{
graphicsList.Insert(index, obj);
}
}
/// <summary>
/// Left mouse button is pressed
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e)
{
Point pointscroll = GetEventPointInArea(drawArea, e);
commandChangeState = null;
wasMove = false;
selectMode = SelectionMode.None;
// Test for resizing (only if control is selected, cursor is on the handle)
foreach (DrawObject o in drawArea.GraphicsList.Selection)
{
int handleNumber = o.HitTest(pointscroll);
if (handleNumber > 0)
{
selectMode = SelectionMode.Size;
// keep resized object in class member
resizedObject = o;
resizedObjectHandle = handleNumber;
// Since we want to resize only one object, unselect all other objects
drawArea.GraphicsList.UnselectAll();
o.Selected = true;
commandChangeState = new CommandChangeState(drawArea.GraphicsList);
drawArea.GraphicsList.Dirty = true;
break;
}
}
// Test for move (cursor is on the object)
if (selectMode == SelectionMode.None)
{
int n1 = drawArea.GraphicsList.Count;
DrawObject o = null;
for (int i = 0; i < n1; i++)
{
if (drawArea.GraphicsList[i].HitTest(pointscroll) == 0)
{
o = drawArea.GraphicsList[i];
break;
}
}
if (o != null)
{
selectMode = SelectionMode.Move;
// Unselect all if Ctrl is not pressed and clicked object is not selected yet
if ((Control.ModifierKeys & Keys.Control) == 0 && !o.Selected)
{
drawArea.GraphicsList.UnselectAll();
}
// Select clicked object
o.Selected = true;
commandChangeState = new CommandChangeState(drawArea.GraphicsList);
drawArea.Cursor = Cursors.SizeAll;
drawArea.GraphicsList.Dirty = true;
}
}
// Net selection
if (selectMode == SelectionMode.None)
{
// click on background
if ((Control.ModifierKeys & Keys.Control) == 0)
{
drawArea.GraphicsList.UnselectAll();
}
selectMode = SelectionMode.NetSelection;
}
lastPoint.X = e.X;
lastPoint.Y = e.Y;
startPoint.X = e.X;
startPoint.Y = e.Y;
drawArea.Capture = true;
drawArea.Refresh();
if (selectMode == SelectionMode.NetSelection)
{
// Draw selection rectangle in initial position
ControlPaint.DrawReversibleFrame(
drawArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint)),
Color.Black,
FrameStyle.Dashed);
}
}
/// <summary>
/// Mouse is moved.
/// None button is pressed, ot left button is pressed.
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseMove(DrawArea drawArea, MouseEventArgs e)
{
Point point = drawArea.BackTrackMouse(new Point(e.X, e.Y));
int al = drawArea.TheLayers.ActiveLayerIndex;
wasMove = true;
//toolTip.InitialDelay = 1;
// set cursor when mouse button is not pressed
if (e.Button ==
MouseButtons.None)
{
Cursor cursor = null;
if (drawArea.TheLayers[al].Graphics != null)
{
// Hide tooltip in case it was displayed
//toolTip.Hide(drawArea);
for (int i = 0; i < drawArea.TheLayers[al].Graphics.Count; i++)
{
int n = drawArea.TheLayers[al].Graphics[i].HitTest(point);
if (n > 0)
{
cursor = drawArea.TheLayers[al].Graphics[i].GetHandleCursor(n);
break;
}
//if (n == 0)
// toolTip.Show(drawArea.TheLayers[al].Graphics[i].TipText, drawArea, point, 250);
}
}
if (cursor == null)
{
cursor = Cursors.Default;
}
drawArea.Cursor = cursor;
return;
}
if (e.Button !=
MouseButtons.Left)
{
return;
}
// Left button is pressed
// Find difference between previous and current position
int dx = point.X - lastPoint.X;
int dy = point.Y - lastPoint.Y;
lastPoint.X = point.X;
lastPoint.Y = point.Y;
// resize
if (selectMode == SelectionMode.Size)
{
if (resizedObject != null)
{
resizedObject.MoveHandleTo(point, resizedObjectHandle);
drawArea.Invalidate();
}
}
// move
if (selectMode == SelectionMode.Move)
{
int n = drawArea.TheLayers[al].Graphics.SelectionCount;
for (int i = 0; i < n; i++)
{
DrawObject o = drawArea.TheLayers[al].Graphics.GetSelectedObject(i);
if (o != null)
{
o.Move(dx, dy);
if (!o.IsInRectngle(drawArea.Boundary, drawArea.ScaleX, drawArea.ScaleY))
{
o.Move(-dx, -dy);
}
}
}
drawArea.Cursor = Cursors.SizeAll;
drawArea.Invalidate();
}
if (selectMode == SelectionMode.NetSelection)
{
drawArea.NetRectangle = DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint);
drawArea.Invalidate();
return;
}
}
/// <summary>
/// Replace object in specified place.
/// Used for Undo.
/// </summary>
public void Replace(int index, DrawObject obj)
{
if (index >= 0 && index < graphicsList.Count)
{
graphicsList.RemoveAt(index);
graphicsList.Insert(index, obj);
}
}
public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e)
{
_selectMode = SelectionMode.None;
PointF point = new Point(e.X, e.Y);
// òåñò äëÿ ðåñàéçà
int n = drawArea.GraphicsList.SelectionCount;
for (int i = 0; i < n; i++)
{
DrawObject o = drawArea.GraphicsList.GetSelectedObject(i);
int handleNumber = o.HitTest(point);
bool hitOnOutline = o.HitOnCircumferance;
if (handleNumber > 0)
{
_selectMode = SelectionMode.Size;
// äåðæèì èçìåíÿåìûé îáúåêò â ÷ëåíàõ êëàññà
_resizedObject = o;
_resizedObjectHandle = handleNumber;
// ïðè ðåñàéçå îäíîãî îáúåêòà, àíñåëåêòÿòñÿ âñå îñòàëüíûå
drawArea.GraphicsList.UnselectAll();
o.Selected = true;
o.MouseClickOnHandle(handleNumber);
break;
}
if (hitOnOutline && (n == 1)) // åñëè òîëüêî îäèí îáúåêò âûáðàí
{
_selectMode = SelectionMode.Size;
o.MouseClickOnBorder();
o.Selected = true;
}
}
// òåñò äëÿ ñäâèãà
if (_selectMode == SelectionMode.None)
{
int n1 = drawArea.GraphicsList.Count;
DrawObject o = null;
for (int i = 0; i < n1; i++)
{
if (drawArea.GraphicsList[i].HitTest(point) == 0)
{
o = drawArea.GraphicsList[i];
break;
}
}
if (o != null)
{
_selectMode = SelectionMode.Move;
// àíñåëåêòíóòü âñå, åñëè íå çàæàò ctrl è êëèêíóòíûé îáúåêò åùå íå âûáðàí
if ((Control.ModifierKeys & Keys.Control) == 0 && !o.Selected)
{
drawArea.GraphicsList.UnselectAll();
}
// âûáðàòü êëèêíóòûé îáúåêò
o.Selected = true;
drawArea.Cursor = Cursors.SizeAll;
}
}
if (_selectMode == SelectionMode.None)
{
// êëèê íà çàäíåì ôîíå
if ((Control.ModifierKeys & Keys.Control) == 0)
{
drawArea.GraphicsList.UnselectAll();
}
_selectMode = SelectionMode.NetSelection;
drawArea.DrawNetRectangle = true;
}
_lastPoint.X = e.X;
_lastPoint.Y = e.Y;
_startPoint.X = e.X;
_startPoint.Y = e.Y;
drawArea.Capture = true;
drawArea.NetRectangle = DrawRectangle.GetNormalizedRectangle(_startPoint, _lastPoint);
drawArea.Refresh();
}
/// <summary>
/// �Ҽ��˵�
/// </summary>
/// <param name="e"></param>
private void OnContextMenu(MouseEventArgs e)
{
// Change current selection if necessary
Point point = BackTrackMouse(new Point(e.X, e.Y));
List<DrawObject> o = new List<DrawObject>();
for (int i = _layers[_layers.ActiveLayerIndex].Graphics.Count - 1; i >= 0; i--)
{
if (_layers[_layers.ActiveLayerIndex].Graphics[i].HitTest(point) == 0)
{
PrepareHitProject = _layers[_layers.ActiveLayerIndex].Graphics[i];
}
if (_layers[_layers.ActiveLayerIndex].Graphics[i].Selected)
{
o.Add(_layers[_layers.ActiveLayerIndex].Graphics[i].Clone());
}
}
PrepareCopyObjectList = o;
if (PrepareHitProject == null && PrepareCopyObjectList.Count == 0)
{
_layers[_layers.ActiveLayerIndex].Graphics.UnselectAll();
}
Refresh();
// Show context menu.
// Context menu items are filled from owner form Edit menu items.
m_ContextMenu = new ContextMenuStrip();
int nItems = owner.ContextParent.DropDownItems.Count;
// Read Edit items and move them to context menu.
// Since every move reduces number of items, read them in reverse order.
// To get items in direct order, insert each of them to beginning.
for (int i = nItems - 1; i >= 0; i--)
{
m_ContextMenu.Items.Insert(0, owner.ContextParent.DropDownItems[i]);
}
// Show context menu for owner form, so that it handles items selection.
// Convert pointscroll from this window coordinates to owner's coordinates.
point.X += this.Left;
point.Y += this.Top;
Point org = new Point(e.X, e.Y);
m_ContextMenu.Show(this, org);
Owner.SetStateOfControls(); // enable/disable menu items
// Context menu is shown, but owner's Edit menu is now empty.
// Subscribe to context menu Closed event and restore items there.
m_ContextMenu.Closed += delegate(object sender, ToolStripDropDownClosedEventArgs args)
{
if (m_ContextMenu != null) // precaution
{
nItems = m_ContextMenu.Items.Count;
for (int k = nItems - 1; k >= 0; k--)
{
owner.ContextParent.DropDownItems.Insert(0, m_ContextMenu.Items[k]);
}
}
};
}
/// <summary>
/// Left mouse button is pressed
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e)
{
commandChangeState = null;
wasMove = false;
selectMode = SelectionMode.None;
Point point = drawArea.BackTrackMouse(new Point(e.X, e.Y));
// Test for resizing (only if control is selected, cursor is on the handle)
int al = drawArea.TheLayers.ActiveLayerIndex;
int n = drawArea.TheLayers[al].Graphics.SelectionCount;
for (int i = 0; i < n; i++)
{
DrawObject o = drawArea.TheLayers[al].Graphics.GetSelectedObject(i);
int handleNumber = o.HitTest(point);
if (handleNumber > 0)
{
selectMode = SelectionMode.Size;
// keep resized object in class members
resizedObject = o;
resizedObjectHandle = handleNumber;
// Since we want to resize only one object, unselect all other objects
drawArea.TheLayers[al].Graphics.UnselectAll();
o.Selected = true;
commandChangeState = new CommandChangeState(drawArea.TheLayers);
break;
}
}
// Test for move (cursor is on the object)
if (selectMode == SelectionMode.None)
{
int n1 = drawArea.TheLayers[al].Graphics.Count;
DrawObject o = null;
for (int i = 0; i < n1; i++)
{
if (drawArea.TheLayers[al].Graphics[i].HitTest(point) == 0)
{
o = drawArea.TheLayers[al].Graphics[i];
break;
}
}
if (o != null)
{
selectMode = SelectionMode.Move;
// Unselect all if Ctrl is not pressed and clicked object is not selected yet
if ((Control.ModifierKeys & Keys.Control) == 0 &&
!o.Selected)
{
drawArea.TheLayers[al].Graphics.UnselectAll();
}
// Select clicked object
o.Selected = true;
commandChangeState = new CommandChangeState(drawArea.TheLayers);
drawArea.Cursor = Cursors.SizeAll;
}
}
// Net selection
if (selectMode == SelectionMode.None)
{
// click on background
if ((Control.ModifierKeys & Keys.Control) == 0)
{
drawArea.TheLayers[al].Graphics.UnselectAll();
}
selectMode = SelectionMode.NetSelection;
drawArea.DrawNetRectangle = true;
}
lastPoint.X = point.X;
lastPoint.Y = point.Y;
startPoint.X = point.X;
startPoint.Y = point.Y;
drawArea.Capture = true;
drawArea.NetRectangle = DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint);
drawArea.Refresh();
}
/// <summary>
/// Right-click handler
/// </summary>
/// <param name="e"></param>
private void OnContextMenu(MouseEventArgs e)
{
// Change current selection if necessary
Point point = new Point(Math.Abs(this.AutoScrollPosition.X) + e.X, Math.Abs(this.AutoScrollPosition.Y) + e.Y);
int n = GraphicsList.Count;
DrawObject o = null;
for (int i = 0; i < n; i++)
{
if (GraphicsList[i].HitTest(point) == 0)
{
o = GraphicsList[i];
break;
}
}
if (o != null)
{
if (!o.Selected)
{
GraphicsList.UnselectAll();
}
// Select clicked object
o.Selected = true;
}
else
{
GraphicsList.UnselectAll();
}
Refresh(); // in the case selection was changed
// Show context menu.
// Context menu items are filled from owner form Edit menu items.
m_ContextMenu = new ContextMenuStrip();
int nItems = owner.ContextParent.DropDownItems.Count;
// Read Edit items and move them to context menu.
// Since every move reduces number of items, read them in reverse order.
// To get items in direct order, insert each of them to beginning.
for (int i = nItems - 1; i >= 0; i--)
{
m_ContextMenu.Items.Insert(0, owner.ContextParent.DropDownItems[i]);
}
// Show context menu for owner form, so that it handles items selection.
// Convert pointscroll from this window coordinates to owner's coordinates.
point.X += this.Left;
point.Y += this.Top;
Point org = new Point(e.X, e.Y);
m_ContextMenu.Show(owner, org);
Owner.SetStateOfControls(); // enable/disable menu items
// Context menu is shown, but owner's Edit menu is now empty.
// Subscribe to context menu Closed event and restore items there.
m_ContextMenu.Closed += delegate(object sender, ToolStripDropDownClosedEventArgs args)
{
if (m_ContextMenu != null) // precaution
{
nItems = m_ContextMenu.Items.Count;
for (int k = nItems - 1; k >= 0; k--)
{
owner.ContextParent.DropDownItems.Insert(0, m_ContextMenu.Items[k]);
}
}
};
}
/// <summary>
/// Copy fields from this instance to cloned instance drawObject.
/// Called from Clone functions of derived classes.
/// </summary>
protected void FillDrawObjectFields(DrawObject drawObject)
{
drawObject.selected = this.selected;
drawObject.color = this.color;
drawObject.penWidth = this.penWidth;
drawObject.ID = this.ID;
}
