public void ToolMouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
varStateRectangle = new RectangleState(e.X, e.Y);
this.varCanvas.AddDrawingObject(this.varStateRectangle);
}
}
/// <summary>
/// Controls mouse up event handler after
/// Selection rectangle has been drawn
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Canvas_MouseUp(object sender, MouseEventArgs e)
{
mouseDown = false;
if (currDrawingTool == DrawingTool.Rectangle)
{
assets.Add(currAsset);
path.AddRectangle(currAsset.Rectangle);
}
else if (currDrawingTool == DrawingTool.Circle)
{
assets.Add(currAsset);
path.AddRectangle(currAsset.Rectangle);
}
else if (currDrawingTool == DrawingTool.Pen)
{
if (currAsset.Points.Count == 1)
{
currAsset.Points.Add(e.Location);
}
if (currAsset.Points.Count > 1)
{
assets.Add(currAsset);
}
path.AddCurve(currAsset.Points.ToArray());
}
else if (currDrawingTool == DrawingTool.Line || currDrawingTool == DrawingTool.ArrowLine)
{
assets.Add(currAsset);
path.AddLine(currAsset.LineStart, currAsset.LineEnd);
}
if (selectionRect.Height > 0 || selectionRect.Width > 0)
{
path.AddRectangle(selectionRect);
toolbox.TopLevel = false;
Controls.Add(toolbox);
toolbox.Location = GetToolBoxLocation();
toolbox.Show();
toolbox.BringToFront();
manipToolbox.TopLevel = false;
Controls.Add(manipToolbox);
manipToolbox.Location = GetManipToolboxLoc();
manipToolbox.Show();
manipToolbox.BringToFront();
Focus();
}
rectState = RectangleState.None;
focusedHandle = GrabHandle.None;
}
private void StateIntegrate(RectangleState state)
{
switch (state)
{
case RectangleState.Drag:
CalculationViewPosition();
Drag();
break;
case RectangleState.DragEnd:
CalculationViewPosition();
DragEnd();
break;
}
}
/// <summary>
/// Logic when selection draw starts
/// drawing
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Canvas_MouseDown(object sender, MouseEventArgs e)
{
drawBorders = true;
drawHandles = true;
mouseDown = true;
switch (currDrawingTool)
{
case DrawingTool.Arrow:
bool inPos = false;
foreach (GrabHandle handle in Enum.GetValues(typeof(GrabHandle)))
{
if (rectangles[handle].Contains(e.Location))
{
inPos = true;
focusedHandle = handle;
break;
}
}
if (inPos)
{
rectState = RectangleState.Resize;
}
else if (selectionRect.Contains(e.Location) && !inPos)
{
rectState = RectangleState.Move;
}
else
{
rectState = RectangleState.Draw;
toolbox.Visible = false;
manipToolbox.Visible = false;
path = new GraphicsPath();
}
break;
case DrawingTool.Circle:
var circle = new Asset()
{
BorderWidth = currBorderWidth,
Color = toolbox.SelectedColor,
Shape = Shape.Circle,
Rectangle = new Rectangle(Cursor.Position.X, Cursor.Position.Y, 0, 0)
};
currAsset = circle;
break;
case DrawingTool.ArrowLine:
case DrawingTool.Line:
var line = new Asset()
{
BorderWidth = currBorderWidth,
Color = toolbox.SelectedColor,
Shape = currDrawingTool == DrawingTool.Line ? Shape.Line : Shape.ArrowLine,
LineStart = new Point(e.X, e.Y),
LineEnd = new Point(e.X, e.Y)
};
currAsset = line;
break;
case DrawingTool.Pen:
var pen = new Asset()
{
BorderWidth = currBorderWidth,
Color = toolbox.SelectedColor,
Shape = Shape.Pen,
Points = new List <PointF>()
};
pen.Points.Add(e.Location);
currAsset = pen;
break;
case DrawingTool.Rectangle:
var rectangle = new Asset()
{
BorderWidth = currBorderWidth,
Color = toolbox.SelectedColor,
Shape = Shape.Rectangle,
Rectangle = new RectangleF(Cursor.Position.X, Cursor.Position.Y, 0, 0)
};
currAsset = rectangle;
break;
case DrawingTool.Text:
break;
}
pX = e.X;
pY = e.Y;
pnlDraw.Invalidate(Rectangle.Round(path.GetBounds()));
}
