private void OnKeyDown(object sender, System.Windows.Input.KeyEventArgs e)
{
switch (e.Key)
{
case Key.Escape:
{
if (drawMode == DrawMode.POLYLINE && formingPoints.Count >= 2)
{
ReleaseFigure(formingFigure, directXRenderer);
formingFigure = null;
PolyLine polyLine = new PolyLine(formingPoints, CurrentColor, CurrentBorderWidth);
InitializeFigure(polyLine, directXRenderer);
figures.Add(polyLine);
drawMode = DrawMode.NONE;
polyLineButton.IsChecked = false;
directXControl.Invalidate();
}
break;
}
}
}
private void OnMouseDown(MouseButton button, int xMouse, int yMouse)
{
float x = (float)cameraCoords.X + (xMouse - directXControl.Size.Width / 2.0f) / CurrentZoom;
float y = (float)cameraCoords.Y + (directXControl.Size.Height / 2.0f - yMouse) / CurrentZoom;
switch (button)
{
case MouseButton.Left:
{
leftMouseClickCoords = new Point(xMouse, yMouse);
leftMouseButtonIsPressed = true;
switch (drawMode)
{
case DrawMode.NONE:
{
if (currentFigure != null)
{
upscalingBoundary = boundingBox.PointIsOnBoundary(new Point(x, y), CurrentZoom);
lastScalingPoint = new Point(x, y);
}
if (upscalingBoundary == Boundary.NONE)
{
int i = figures.Count - 1;
for (; i >= 0; i--)
{
if (figures[i].PointIsInside(new Point(x, y)))
{
currentFigure = figures[i];
CurrentColor = (currentFigure as Figure).color;
CurrentBorderColor = (currentFigure as Figure).borderColor;
CurrentBorderWidth = (currentFigure as Figure).borderWidth;
List <Point> boundingBoxPoints = (currentFigure as Figure).BoundingBoxPoints;
boundingBox = new BoundingBox(boundingBoxPoints[0], boundingBoxPoints[1]);
ModifyFigure(boundingBox, directXRenderer);
isTranslating = true;
directXControl.Invalidate();
break;
}
}
if (i < 0)
{
currentFigure = null;
boundingBox = null;
directXControl.Invalidate();
}
}
break;
}
case DrawMode.POLYLINE:
{
formingPoints.Add(new Point(x, y));
if (formingPoints.Count == 1)
{
List <Point> currentPoints = new List <Point>(formingPoints);
currentPoints.Add(new Point(x, y));
formingFigure = new PolyLine(currentPoints, CurrentBorderColor, CurrentBorderWidth);
InitializeFigure(formingFigure, directXRenderer);
}
else if (formingPoints.Count >= 6)
{
ReleaseFigure(formingFigure, directXRenderer);
formingFigure = null;
PolyLine polyLine = new PolyLine(formingPoints, CurrentColor, CurrentBorderWidth);
InitializeFigure(polyLine, directXRenderer);
figures.Add(polyLine);
drawMode = DrawMode.NONE;
polyLineButton.IsChecked = false;
directXControl.Invalidate();
}
break;
}
case DrawMode.TRIANGLE:
{
formingPoints.Add(new Point(x, y));
if (formingPoints.Count == 1)
{
List <Point> currentPoints = new List <Point>(formingPoints);
currentPoints.Add(new Point(x, y));
formingFigure = new PolyLine(currentPoints, CurrentColor, CurrentBorderWidth);
InitializeFigure(formingFigure, directXRenderer);
}
else if (formingPoints.Count == 2)
{
ReleaseFigure(formingFigure, directXRenderer);
formingFigure = new Triangle(formingPoints[0], formingPoints[1], formingPoints[1], CurrentColor, CurrentBorderColor, CurrentBorderWidth);
InitializeFigure(formingFigure, directXRenderer);
}
else if (formingPoints.Count >= 3)
{
ReleaseFigure(formingFigure, directXRenderer);
formingFigure = null;
Triangle triangle = new Triangle(formingPoints[0], formingPoints[1], formingPoints[2], CurrentColor, CurrentBorderColor, CurrentBorderWidth);
InitializeFigure(triangle, directXRenderer);
figures.Add(triangle);
drawMode = DrawMode.NONE;
triangleButton.IsChecked = false;
directXControl.Invalidate();
}
break;
}
case DrawMode.QUAD:
{
formingPoints.Add(new Point(x, y));
if (formingPoints.Count == 1)
{
List <Point> currentPoints = new List <Point>(formingPoints);
currentPoints.Add(new Point(x, y));
formingFigure = new PolyLine(currentPoints, CurrentColor, CurrentBorderWidth);
InitializeFigure(formingFigure, directXRenderer);
}
else if (formingPoints.Count == 2)
{
ReleaseFigure(formingFigure, directXRenderer);
formingFigure = new Triangle(formingPoints[0], formingPoints[1], formingPoints[1], CurrentColor, CurrentBorderColor, CurrentBorderWidth);
InitializeFigure(formingFigure, directXRenderer);
}
else if (formingPoints.Count == 3)
{
ReleaseFigure(formingFigure, directXRenderer);
formingFigure = new Quad(formingPoints[0], formingPoints[1], formingPoints[2], formingPoints[2], CurrentColor, CurrentBorderColor, CurrentBorderWidth);
InitializeFigure(formingFigure, directXRenderer);
}
else if (formingPoints.Count >= 4)
{
if ((formingFigure as Quad).IsConvex())
{
Quad quad = new Quad(formingPoints[0], formingPoints[1], formingPoints[2], formingPoints[3], CurrentColor, CurrentBorderColor, CurrentBorderWidth);
InitializeFigure(quad, directXRenderer);
figures.Add(quad);
}
ReleaseFigure(formingFigure, directXRenderer);
formingFigure = null;
drawMode = DrawMode.NONE;
quadButton.IsChecked = false;
directXControl.Invalidate();
}
break;
}
case DrawMode.ELLIPSE:
{
formingPoints.Add(new Point(x, y));
if (formingPoints.Count == 1)
{
List <Point> currentPoints = new List <Point>(formingPoints);
currentPoints.Add(new Point(x, y));
formingFigure = new PolyLine(currentPoints, CurrentColor, CurrentBorderWidth);
InitializeFigure(formingFigure, directXRenderer);
}
else if (formingPoints.Count == 2)
{
ReleaseFigure(formingFigure, directXRenderer);
formingFigure = new Ellipse(formingPoints[0], formingPoints[1], formingPoints[1], CurrentColor, CurrentBorderColor, CurrentBorderWidth);
InitializeFigure(formingFigure, directXRenderer);
}
else if (formingPoints.Count >= 3)
{
ReleaseFigure(formingFigure, directXRenderer);
formingFigure = null;
Ellipse ellipse = new Ellipse(formingPoints[0], formingPoints[1], formingPoints[2], CurrentColor, CurrentBorderColor, CurrentBorderWidth);
InitializeFigure(ellipse, directXRenderer);
figures.Add(ellipse);
drawMode = DrawMode.NONE;
ellipseButton.IsChecked = false;
directXControl.Invalidate();
}
break;
}
}
break;
}
case MouseButton.Middle:
{
middleMouseClickCoords = new Point(xMouse, yMouse);
middleMouseButtonIsPressed = true;
break;
}
case MouseButton.Right:
{
rightMouseClickCoords = new Point(xMouse, yMouse);
rightMouseButtonIsPressed = true;
break;
}
}
}