public static void PenBrushTool(List <Point> vertices, List <Line> edges, List <ShapeElements> shapeElements, Graphics graph, Pen pen, Panel panel, SenderMethod sender)
{
if (sender == SenderMethod.PenButtonClick)
{
RedrawShape(graph, shapeElements, vertices, pen);
}
if (sender == SenderMethod.DrawPanelClick)
{
PlacePoint(vertices, graph, panel);
if (vertices.Count > 1)
{
Line line = new Line(vertices[vertices.Count - 2], vertices[vertices.Count - 1]);
line.IndexInVertexList = new int[] { vertices.Count - 2, vertices.Count - 1 };
if (!LineUtil.ShapeIntersection("Es können keine schneidenen Kanten eingefügt werden", edges, line))
{
line.Draw(pen, graph, vertices, shapeElements);
edges.Add(line);
shapeElements.Add(line);
}
else
{
vertices.Remove(vertices[vertices.Count - 1]);
}
}
}
}
/// <summary>
/// This function enables the user to choose two vertices, which will be the start
/// and the end of a curve. After that he has to pick a third one to give the curves
/// side on the shape.
/// </summary>
public static void CurveBrushTool(List <Point> vertices, List <ShapeElements> shapeElements, List <Line> edges, Graphics graph, Pen blackPen, SenderMethod sender)
{
if (sender == SenderMethod.CurveButtonClick)
{
MarkAllVertices(vertices, graph);
}
else if (sender == SenderMethod.DrawPanelClick)
{
if (_curveCount == 0) // first Click
{
_start = ChooseVertex(vertices, 15);
MarkAllVertices(vertices, graph, _start);
}
else if (_curveCount == 1) // second Click
{
_end = ChooseVertex(vertices, 15);
MarkAllVertices(vertices, graph, _start, _end);
}
else if (_curveCount == 2) // third Click
{
_curveCount = -1;
_direc = ChooseVertex(vertices, 15);
List <Point> _curvePoints = new List <Point>();
Curve curve = new Curve();
curve.IndexInVertexList = CreateCurveArray(vertices, _start, _end, _direc);
for (int i = 0; i < curve.IndexInVertexList.Length; i++)
{
_curvePoints.Add(vertices[curve.IndexInVertexList[i]]);
}
curve.AllPointsOfElement = _curvePoints.ToArray();
for (int j = 0; j < shapeElements.Count; j++)
{
if (curve.AllPointsOfElement.Contains(shapeElements[j].AllPointsOfElement[1]) && curve.AllPointsOfElement.Contains(shapeElements[j].AllPointsOfElement[0]))
{
shapeElements.Remove(shapeElements[j--]);
}
}
shapeElements.Add(curve);
_curvePoints.Clear();
RedrawShape(graph, shapeElements, vertices, blackPen);
}
_curveCount++;
}
}
/// <summary>
/// Marks all vertices when the SenderMethod is the click on the tool Button.
/// After that the function enables the user to change the position of a chosen vertex.
/// The whole shape is redrawn automatically after such an action.
/// </summary>
public static void MovePointTool(List <Point> vertices, List <ShapeElements> shapeElements, Graphics graph, Pen pen, SenderMethod sender)
{
if (vertices.Count > 0)
{
if (sender == SenderMethod.DragButtonClick)
{
MarkAllVertices(vertices, graph);
}
else if (sender == SenderMethod.DrawPanelMouseDown)
{
chosenPoint = ChooseVertex(vertices, 15);
if (vertices.Count > chosenPoint)
{
MarkAllVertices(vertices, graph, chosenPoint);
_choiseValid = true;
}
}
else if (sender == SenderMethod.DrawPanelClick)
{
if (_choiseValid)
{
_tempPoint = vertices[chosenPoint];
if (chosenPoint != 0 && chosenPoint != vertices.Count - 1)
{
vertices[chosenPoint] = MousePos;
}
else
{
vertices[0] = MousePos;
vertices[vertices.Count - 1] = MousePos;
}
_choiseValid = false;
for (int i = 0; i < shapeElements.Count; i++)
{
for (int j = 0; j < shapeElements[i].IndexInVertexList.Length; j++)
{
shapeElements[i].AllPointsOfElement[j] = vertices[shapeElements[i].IndexInVertexList[j]];
}
}
}
RedrawShape(graph, shapeElements, vertices, pen);
MarkAllVertices(vertices, graph, chosenPoint);
}
}
}
