public ImageViewPort()
{
_viewPortInstance = this;
_currentPrimitive = new SelectionTool();
DoubleBuffered = true;
_shapeControl = new ShapeBoxControl(null);
_navigationControl = new NavigationControl();
SetStyle(
ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint | ControlStyles.ResizeRedraw | ControlStyles.UserPaint |
ControlStyles.DoubleBuffer, true);
}
public override void AttachTo(Primitive primitive)
{
if (primitive == null)
{
attachedBox = null;
}
else
{
attachedBox = primitive as DecoratedTextBox;
numControl.Value = attachedBox.borderSize;
colorBorderControl.Color = attachedBox.borderColor;
colorBackControl.Color = attachedBox.backColor;
}
Invalidate();
}
public override void AttachTo(Primitive primitive)
{
if (primitive == null)
{
attachedLine = null;
}
else
{
attachedLine = primitive as Line;
numControl.Value = attachedLine.penSize;
colorControl.Color = attachedLine.penColor;
lineDD.SelectItem(attachedLine.penStyle);
}
Invalidate();
}
protected override void OnMouseDown(MouseEventArgs e)
{
if (e.Button != MouseButtons.Left) return;
_dragPointID = _shapeControl.GetPoint(MouseToReal(e.Location));
if (_dragPointID >= 0)
{
return;
}
Primitive overPrimitive = GetPrimitiveAt(MouseToReal(e.Location));
if (overPrimitive != null &&
(ModifierKeys == Keys.Shift ||
(SelectedPrimitive == overPrimitive && _selectedTool == PrimitiveTool(overPrimitive)) ||
_selectedTool == TpTool.Select))
{
if (SelectionExists)
SelectedPrimitive.ShapeToolLost();
SelectedPrimitive = overPrimitive;
_shapeControl.Dragging = true;
UpdateCurrentTool();
Invalidate();
}
else
{
if (ModifierKeys == Keys.Shift)
return;
if (SelectionExists)
{
SelectedPrimitive.ShapeToolLost();
ResetSelectedPrimitive();
Invalidate();
}
_isPenDown = true;
if (_selectedTool == TpTool.FreeLine)
{
_currentPrimitive = new FreeLine();
}
else if (_selectedTool == TpTool.Line)
{
_currentPrimitive = new Line();
}
else if (_selectedTool == TpTool.TextBox)
{
_currentPrimitive = new DecoratedTextBox();
}
else if (_selectedTool == TpTool.Box)
{
_currentPrimitive = new Box();
}
else if (_selectedTool == TpTool.Select)
{
_currentPrimitive = null;
}
if (_currentPrimitive != null)
_currentPrimitive.CreationMouseDownHandler(MouseToReal(e.Location));
}
if (!SelectionExists)
RemoveAllProperties();
}
protected override void OnMouseUp(MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (_resizeMode)
{
_resizeMode = false;
if(SelectionExists)
SelectedPrimitive.OnResize(true);
}
_dragPointID = -1;
_isPenDown = false;
_shapeControl.Dragging = false;
if (SelectionExists)
{
SelectedPrimitive.MoveBy(-(int) (_currentDelta.X/_zoom), -(int) (_currentDelta.Y/_zoom));
_currentDelta = new Point();
}
if (_currentPrimitive != null)
{
_currentPrimitive.CreationMouseUpHandler(MouseToReal(e.Location));
if (_currentPrimitive.isValid())
{
_allPainting.Add(_currentPrimitive);
_redoStack.Clear();
SelectedPrimitive = _currentPrimitive;
UpdateCurrentTool();
}
_currentPrimitive = null;
Invalidate();
}
CalculateScrollPostions();
}
}
protected override void OnMouseDoubleClick(MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
Primitive overPrimitive = GetPrimitiveAt(MouseToReal(e.Location));
if (overPrimitive != null)
{
SelectedPrimitive = overPrimitive;
_shapeControl.Dragging = true;
UpdateCurrentTool();
Invalidate();
overPrimitive.MouseDoubleClickHandler(MouseToReal(e.Location));
}
}
}
private static TpTool PrimitiveTool(Primitive primitive)
{
if (primitive is FreeLine)
return TpTool.FreeLine;
if (primitive is Line)
return TpTool.Line;
if (primitive is DecoratedTextBox)
return TpTool.TextBox;
if (primitive is Box)
return TpTool.Box;
return TpTool.Select;
}
private void ResetSelectedPrimitive()
{
SelectedPrimitive = null;
}
public void ToolChanged()
{
_currentPrimitive = null;
RemoveAllProperties();
PropertyControlBase propertyControl = null;
switch (_selectedTool)
{
case TpTool.FreeLine:
propertyControl = new FreeLinePropertyControl();
break;
case TpTool.Line:
propertyControl = new LinePropertyControl();
break;
case TpTool.TextBox:
propertyControl = new DecoratedTextBoxPropertyControl();
break;
case TpTool.Box:
propertyControl = new BoxPropertyControl();
break;
}
AddProperties(propertyControl);
UpdatePropertiesView();
Focus();
}
private void ClearSelection()
{
if (SelectionExists)
{
SelectedPrimitive.ShapeToolLost();
SelectedPrimitive = null;
UpdateCurrentTool();
}
}
private void DrawPrimitive(Primitive primitive, Graphics graphics, float zoom, PointF offset)
{
primitive.Draw(graphics, zoom, offset, _zoomLocation, AutoScrollPosition);
}
public void AddPicture(Bitmap bmp, bool isSelected)
{
var pict = new Picture(bmp);
pict.MoveBy(-20, -20);
_allPainting.Add(pict);
_redoStack.Clear();
if (isSelected)
SelectedPrimitive = pict;
UpdateCurrentTool();
_currentPrimitive = null;
Invalidate();
}
public virtual void AttachTo(Primitive primitive)
{
}
public override void AttachTo(Primitive primitive)
{
if (primitive == null)
{
attachedLine = null;
}
else
{
attachedLine = primitive as Line;
numControl.Value = attachedLine.penSize;
colorControl.Color = attachedLine.penColor;
if (attachedLine.penBeginCap == LineCap.ArrowAnchor)
lineDD.SelectItem(TPLineStyle.Arrow);
else
lineDD.SelectItem(attachedLine.penStyle);
}
Invalidate();
}
public override void AttachTo(Primitive primitive)
{
if (primitive == null)
{
_attachedBox = null;
}
else
{
_attachedBox = primitive as DecoratedTextBox;
_attachedBox.tpText.SelectionChanged += tpText_SelectionChanged;
}
FillControl(true);
Invalidate();
}
public ShapeBoxControl(Primitive prim)
{
Primitive = prim;
GeneratePoints();
}