public void PaintFiguresAtWriteableBitmap(ViewPort camera)
{
children.Clear();
foreach (var element in GraphicRedactor.figures)
{
DrawingVisual drawingVisual = new DrawingVisual();
var drawingContext = drawingVisual.RenderOpen();
var globalFigure = element.Clone() as Figure;
globalFigure.ToWorldCoordinates(camera);
globalFigure.Draw(drawingContext, camera);
drawingContext.Close();
children.Add(drawingVisual);
}
}
public override void MouseLeftButtonDown(int xCoord, int yCoord, ViewPort camera)
{
Figure zoomLayout = new Rectangle(xCoord, yCoord, xCoord,
yCoord, new SolidColorBrush(Colors.Aqua), Colors.Black,
5, DashStyles.Solid, new SolidColorBrush());
zoomLayout.ToLocalCoordinates(camera);
GraphicRedactor.figures.AddLast(zoomLayout);
x1 = zoomLayout.X1;
y1 = zoomLayout.Y1;
x2 = zoomLayout.X2;
y2 = zoomLayout.Y2;
GraphicRedactor.ToolState = DrawingStates.DrawingState;
}
public override void ToWorldCoordinates(ViewPort camera)
{
if (WorldPointsList == null)
{
WorldPointsList = new List <Point>();
}
else
{
WorldPointsList.Clear();
}
for (int i = 0; i < PointsList.Count; i++)
{
var point = new Point((PointsList[i].X - camera.Start.X) * camera.Scale,
(PointsList[i].Y - camera.Start.Y) * camera.Scale);
WorldPointsList.Add(point);
}
}
public override void MouseLeftButtonUp(ViewPort camera)
{
GraphicRedactor.figures.RemoveLast();
GraphicRedactor.ToolState = DrawingStates.NotDrawingState;
if (camera.Scale > 50)
{
return;
}
if (Point.Subtract(new Point(x1, y1), new Point(x2, y2)).Length > 2)
{
double scaleX = (camera.End.X - camera.Start.X) / (x2 - x1);
double scaleY = (camera.End.Y - camera.Start.Y) / (y2 - y1);
double scale = (scaleX + scaleY) / 2;
camera.Scale *= scale;
camera.Start = new Point(x1, y1);
camera.End = new Point(x2, y2);
}
else
{
double NewWidth = (camera.End.X - camera.Start.X) / 2;
double NewHeight = (camera.End.Y - camera.Start.Y) / 2;
camera.Start = new Point()
{
X = x1 - NewWidth / 2,
Y = y1 - NewHeight / 2
};
camera.End = new Point()
{
X = camera.Start.X + NewWidth,
Y = camera.Start.Y + NewHeight
};
camera.Scale *= 2;
}
}
public override void MouseRightButtonUp(ViewPort camera, int x, int y)
{
x1 = x;
y1 = y;
if (camera.Scale > 0.1)
{
double NewWidth = (camera.End.X - camera.Start.X) * 2;
double NewHeight = (camera.End.Y - camera.Start.Y) * 2;
camera.Start = new Point()
{
X = x1 / camera.Scale + camera.Start.X - NewWidth / 2,
Y = y1 / camera.Scale + camera.Start.Y - NewHeight / 2
};
camera.End = new Point()
{
X = camera.Start.X + NewWidth,
Y = camera.Start.Y + NewHeight
};
camera.Scale /= 2;
}
}
public override void MouseLeftButtonDown(int xCoord, int yCoord, ViewPort camera)
{
x1 = xCoord;
y1 = yCoord;
GraphicRedactor.ToolState = DrawingStates.DrawingState;
}
public abstract void MouseRightButtonUp(ViewPort camera, int x, int y);
public abstract void MouseLeftButtonUp(ViewPort camera);
public abstract void MouseMove(int xCoord, int yCoord, ViewPort camera);
public abstract void MouseLeftButtonDown(int xCoord, int yCoord, ViewPort camera);
public abstract void Resize(int xCoord, int yCoord, ViewPort camera);
public override void Resize(int xCoord, int yCoord, ViewPort camera)
{
Point point = ToLocalCoordinates(new Point(xCoord, yCoord), camera);
PointsList.Add(point);
}
public Point ToLocalCoordinates(Point point, ViewPort camera) => new Point(point.X / camera.Scale + camera.Start.X, point.Y / camera.Scale + camera.Start.Y);
public override void MouseLeftButtonUp(ViewPort camera)
{
GraphicRedactor.ToolState = DrawingStates.NotDrawingState;
}
public override void MouseRightButtonUp(ViewPort camera, int x, int y)
{
}
public override void MouseRightButtonUp(ViewPort camera, int x, int y)
{
//throw new System.NotImplementedException();
}
public abstract void Draw(DrawingContext drawingContext, ViewPort camera);
