internal CoordinateTransform WithScreenOffset(double x, double y)
{
Rect screenCopy = screenRect;
screenCopy.Offset(x, y);
CoordinateTransform copy = new CoordinateTransform(visibleRect, screenCopy);
return copy;
}
/// <summary>
/// Creates a new instance of CoordinateTransform with the given data transform.
/// </summary>
/// <param name="dataTransform">The data transform.</param>
/// <returns></returns>
public CoordinateTransform WithDataTransform(DataTransform dataTransform)
{
if (dataTransform == null)
throw new ArgumentNullException("dataTransform");
CoordinateTransform copy = new CoordinateTransform(visibleRect, screenRect);
copy.dataTransform = dataTransform;
return copy;
}
public PhysicalRectAnimation(Viewport2D viewport, Point initialMousePos)
{
this.from = viewport.Visible;
this.viewport = viewport;
this.initialMousePos = initialMousePos;
initialTransform = viewport.Transform;
position = from.Location.ToVector();
}
/// <summary>
/// Transforms list of points from data coordinates to screen coordinates.
/// </summary>
/// <param name="dataPoints">Points in data coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Points in screen coordinates</returns>
public static List <Point> DataToScreen(this IEnumerable <Point> dataPoints, CoordinateTransform transform)
{
ICollection <Point> iCollection = dataPoints as ICollection <Point>;
List <Point> res;
if (iCollection != null)
{
res = new List <Point>(iCollection.Count);
}
else
{
res = new List <Point>();
}
foreach (var point in dataPoints)
{
res.Add(transform.DataToScreen(point));
}
return(res);
}
/// <summary>
/// Transforms rectangle from viewport coordinates to data coordinates.
/// </summary>
/// <param name="viewportRect">Rectangle in viewport coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Rectangle in data coordinates</returns>
public static Rect ViewportToData(this Rect viewportRect, CoordinateTransform transform)
{
Point p1 = viewportRect.BottomLeft.ViewportToData(transform);
Point p2 = viewportRect.TopRight.ViewportToData(transform);
return new Rect(p1, p2);
}
/// <summary>
/// Transforms point in data coordinates to screen coordinates.
/// </summary>
/// <param name="dataPoint">Point in data coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Point in screen coordinates</returns>
public static Point DataToScreen(this Point dataPoint, CoordinateTransform transform)
{
return transform.DataToScreen(dataPoint);
}
/// <summary>
/// Transforms point in screen coordinates to viewport coordinates.
/// </summary>
/// <param name="screenPoint">Point in screen coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Point in viewport coordinates</returns>
public static Point ScreenToViewport(this Point screenPoint, CoordinateTransform transform)
{
return(transform.ScreenToViewport(screenPoint));
}
/// <summary>
/// Transforms point in data coordinates to viewport coordinates.
/// </summary>
/// <param name="dataPoint">Point in data coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Point in viewport coordinates</returns>
public static Point DataToViewport(this Point dataPoint, CoordinateTransform transform)
{
return(transform.DataTransform.DataToViewport(dataPoint));
}
public static List <Point> DataToScreenAsList(this CoordinateTransform transform, IEnumerable <Point> dataPoints)
{
return(dataPoints.DataToScreenAsList(transform));
}
public static IEnumerable <Point> ScreenToData(this IEnumerable <Point> screenPoints, CoordinateTransform transform)
{
foreach (Point pt in screenPoints)
{
yield return(pt.ScreenToData(transform));
}
}
public static IEnumerable<Point> DataToViewport(this IEnumerable<Point> dataPoints, CoordinateTransform transform)
{
return dataPoints.DataToViewport(transform.DataTransform);
}
public static IEnumerable<IndexWrapper<Point>> ScreenToData(this IEnumerable<IndexWrapper<Point>> viewportPoints, CoordinateTransform transform)
{
foreach (var index in viewportPoints)
{
Point pt = index.Data.ScreenToData(transform);
var copy = index;
copy.Data = pt;
yield return copy;
}
}
public static IEnumerable<Point> ViewportToScreen(this IEnumerable<Point> viewportPoints, CoordinateTransform transform)
{
foreach (var point in viewportPoints)
{
yield return point.ViewportToScreen(transform);
}
}
public static IEnumerable<Point> DataToScreen(this IEnumerable<Point> dataPoints, CoordinateTransform transform)
{
foreach (var point in dataPoints)
{
yield return point.DataToScreen(transform);
}
}
/// <summary>
/// Transforms rectangle from data coordinates to viewport coordinates.
/// </summary>
/// <param name="dataRect">Rectangle in data coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Rectangle in viewport coordinates</returns>
public static DataRect DataToViewport(this DataRect dataRect, CoordinateTransform transform)
{
Point p1 = dataRect.XMaxYMax.DataToViewport(transform);
Point p2 = dataRect.XMinYMin.DataToViewport(transform);
return new DataRect(p1, p2);
}
/// <summary>
/// Transforms rectangle from viewport coordinates to data coordinates.
/// </summary>
/// <param name="viewportRect">Rectangle in viewport coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Rectangle in data coordinates</returns>
public static DataRect ViewportToData(this DataRect viewportRect, CoordinateTransform transform)
{
Point p1 = viewportRect.XMaxYMax.ViewportToData(transform);
Point p2 = viewportRect.XMinYMin.ViewportToData(transform);
return new DataRect(p1, p2);
}
private void UpdateTransform()
{
transform = transform.WithRects(Visible, Output);
}
/// <summary>
/// Transforms point in screen coordinates to viewport coordinates.
/// </summary>
/// <param name="screenPoint">Point in screen coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Point in viewport coordinates</returns>
public static Point ScreenToViewport(this Point screenPoint, CoordinateTransform transform)
{
return transform.ScreenToViewport(screenPoint);
}
public static IEnumerable<Point> ScreenToData(this IEnumerable<Point> screenPoints, CoordinateTransform transform)
{
foreach (Point pt in screenPoints)
{
yield return pt.ScreenToData(transform);
}
}
/// <summary>
/// Transforms rectangle from viewport coordinates to data coordinates.
/// </summary>
/// <param name="viewportRect">Rectangle in viewport coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Rectangle in data coordinates</returns>
public static Rect ViewportToData(this Rect viewportRect, CoordinateTransform transform)
{
Point p1 = new Point(viewportRect.Left, viewportRect.Bottom).ViewportToData(transform);
Point p2 = new Point(viewportRect.Right,viewportRect.Top).ViewportToData(transform);
return new Rect(p1, p2);
}
/// <summary>
/// Creates CoordinateTransform fro specified rectangles and with Identity transform.
/// </summary>
/// <param name="visibleRect">The visible rect.</param>
/// <param name="screenRect">The screen rect.</param>
/// <returns></returns>
public static CoordinateTransform FromRects(DataRect visibleRect, Rect screenRect)
{
CoordinateTransform result = new CoordinateTransform(visibleRect, screenRect);
return result;
}
public static IEnumerable <Point> DataToScreen(this IEnumerable <Point> dataPoints, CoordinateTransform transform)
{
foreach (var point in dataPoints)
{
yield return(point.DataToScreen(transform));
}
}
/// <summary>
/// Closnes transform with current dataTransform and specified rectangles.
/// </summary>
/// <param name="visibleRect">The visible rect.</param>
/// <param name="screenRect">The screen rect.</param>
/// <returns></returns>
public CoordinateTransform WithRects(DataRect visibleRect, Rect screenRect)
{
CoordinateTransform copy = new CoordinateTransform(visibleRect, screenRect);
copy.dataTransform = dataTransform;
return copy;
}
public static IEnumerable <Point> DataToViewport(this IEnumerable <Point> dataPoints, CoordinateTransform transform)
{
return(dataPoints.DataToViewport(transform.DataTransform));
}
/// <summary>
/// Transforms rectangle from screen coordinates to viewport coordinates.
/// </summary>
/// <param name="screenRect">Rectangle in screen coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Rectangle in viewport coordinates</returns>
public static Rect ScreenToViewport(this Rect screenRect, CoordinateTransform transform)
{
Point p1 = new Point(screenRect.Left,screenRect.Bottom).ScreenToViewport(transform);
Point p2 = new Point(screenRect.Right,screenRect.Top).ScreenToViewport(transform);
return new Rect(p1, p2);
}
public static IEnumerable <IndexWrapper <Point> > ScreenToData(this IEnumerable <IndexWrapper <Point> > viewportPoints, CoordinateTransform transform)
{
foreach (var index in viewportPoints)
{
Point pt = index.Data.ScreenToData(transform);
var copy = index;
copy.Data = pt;
yield return(copy);
}
}
internal static CoordinateTransform CreateDefault()
{
CoordinateTransform transform = new CoordinateTransform(new Rect(0, 0, 1, 1), new Rect(0, 0, 1, 1));
return transform;
}
/// <summary>
/// Transforms point in viewport coordinates to data coordinates.
/// </summary>
/// <param name="viewportPoint">Point in viewport coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Point in data coordinates</returns>
public static Point ViewportToData(this Point viewportPoint, CoordinateTransform transform)
{
return(transform.DataTransform.ViewportToData(viewportPoint));
}
private void FillVertexBuffer()
{
if (DxHost == null) return;
if (DataSource == null) return;
if (Palette == null) return;
if (Device == null) return;
var dataSource = DataSource;
var palette = Palette;
var minMax = dataSource.GetMinMax();
transform = Plotter.Transform;
vertexCount = DataSource.Width * DataSource.Height;
verticesArray = new VertexPosition4Color[vertexCount];
for (int i = 0; i < verticesArray.Length; i++)
{
int ix = i % DataSource.Width;
int iy = i / DataSource.Width;
Point point = dataSource.Grid[ix, iy];
double data = dataSource.Data[ix, iy];
double interpolatedData = (data - minMax.Min) / minMax.GetLength();
var color = palette.GetColor(interpolatedData);
var pointInScreen = point;//.DataToScreen(transform);
var position = new Vector4((float)pointInScreen.X, (float)pointInScreen.Y, 0.5f, 1);
verticesArray[i] = new VertexPosition4Color
{
Position = position,
Color =
//System.Windows.Media.Colors.Blue.ToArgb()
color.ToArgb()
};
}
vertexBuffer = new VertexBuffer(Device, vertexCount * VertexPosition4Color.SizeInBytes, Usage.WriteOnly, VertexFormat.Position | VertexFormat.Diffuse, Pool.Default);
using (var stream = vertexBuffer.Lock(0, vertexCount * VertexPosition4Color.SizeInBytes, LockFlags.None))
{
stream.WriteRange<VertexPosition4Color>(verticesArray);
}
vertexBuffer.Unlock();
indicesCount = (dataSource.Width - 1) * (dataSource.Height - 1) * 2 * 3;
indicesArray = new int[indicesCount];
int index = 0;
int width = dataSource.Width;
for (int iy = 0; iy < dataSource.Height - 1; iy++)
{
for (int ix = 0; ix < dataSource.Width - 1; ix++)
{
indicesArray[index + 0] = ix + 0 + iy * width;
indicesArray[index + 1] = ix + 1 + iy * width;
indicesArray[index + 2] = ix + (iy + 1) * width;
indicesArray[index + 3] = ix + 1 + iy * width;
indicesArray[index + 4] = ix + (iy + 1) * width;
indicesArray[index + 5] = ix + 1 + (iy + 1) * width;
index += 6;
}
}
indexBuffer = new IndexBuffer(Device, indicesCount * sizeof(int), Usage.WriteOnly, Pool.Default, false);
using (var stream = indexBuffer.Lock(0, indicesCount * sizeof(int), LockFlags.None))
{
stream.WriteRange<int>(indicesArray);
}
indexBuffer.Unlock();
}
/// <summary>
/// Transforms rectangle from screen coordinates to viewport coordinates.
/// </summary>
/// <param name="screenRect">Rectangle in screen coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Rectangle in viewport coordinates</returns>
public static Rect ScreenToViewport(this Rect screenRect, CoordinateTransform transform)
{
Point p1 = screenRect.BottomLeft.ScreenToViewport(transform);
Point p2 = screenRect.TopRight.ScreenToViewport(transform);
return new Rect(p1, p2);
}
/// <summary>
/// Transforms point in viewport coordinates to data coordinates.
/// </summary>
/// <param name="viewportPoint">Point in viewport coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Point in data coordinates</returns>
public static Point ViewportToData(this Point viewportPoint, CoordinateTransform transform)
{
return transform.DataTransform.ViewportToData(viewportPoint);
}
/// <summary>
/// Transforms rectangle from data coordinates to viewport coordinates.
/// </summary>
/// <param name="dataRect">Rectangle in data coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Rectangle in viewport coordinates</returns>
public static Rect DataToViewport(this Rect dataRect, CoordinateTransform transform)
{
Point p1 = dataRect.BottomLeft.DataToViewport(transform);
Point p2 = dataRect.TopRight.DataToViewport(transform);
return new Rect(p1, p2);
}
protected virtual void UpdateLevel(CoordinateTransform transform)
{
bool ok = false;
do
{
double width = tileProvider.GetTileWidth(tileProvider.Level);
double height = tileProvider.GetTileHeight(tileProvider.Level);
DataRect size = new DataRect(new Size(width, height));
Rect onScreen = size.ViewportToScreen(transform);
// todo написать нормально
if (onScreen.Width > tileWidth * 1.45)
{
if (tileProvider.IncreaseLevel())
{
continue;
}
}
else if (onScreen.Width < tileWidth / 1.45)
{
if (tileProvider.DecreaseLevel())
{
continue;
}
}
ok = true;
} while (!ok);
}
/// <summary>
/// Transforms list of points from data coordinates to screen coordinates.
/// </summary>
/// <param name="dataPoints">Points in data coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Points in screen coordinates</returns>
public static List<Point> DataToScreen(this IEnumerable<Point> dataPoints, CoordinateTransform transform)
{
ICollection<Point> iCollection = dataPoints as ICollection<Point>;
List<Point> res;
if (iCollection != null)
{
res = new List<Point>(iCollection.Count);
}
else
{
res = new List<Point>();
}
foreach (var point in dataPoints)
{
res.Add(transform.DataToScreen(point));
}
return res;
}
internal static CoordinateTransform FromRects(DataRect visibleRect, Rect screenRect)
{
CoordinateTransform result = new CoordinateTransform(visibleRect, screenRect);
return(result);
}
/// <summary>
/// Transforms point in viewport coordinates to screen coordinates.
/// </summary>
/// <param name="viewportPoint">Point in viewport coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Point in screen coordinates</returns>
public static Point ViewportToScreen(this Point viewportPoint, CoordinateTransform transform)
{
return transform.ViewportToScreen(viewportPoint);
}
/// <summary>
/// Transforms rectangle from data coordinates to viewport coordinates.
/// </summary>
/// <param name="dataRect">Rectangle in data coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Rectangle in viewport coordinates</returns>
public static Rect DataToViewport(this Rect dataRect, CoordinateTransform transform)
{
Point p1 = new Point(dataRect.Left,dataRect.Bottom).DataToViewport(transform);
Point p2 = new Point(dataRect.Right,dataRect.Top).DataToViewport(transform);
return new Rect(p1, p2);
}
/// <summary>
/// Transforms point in data coordinates to viewport coordinates.
/// </summary>
/// <param name="dataPoint">Point in data coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Point in viewport coordinates</returns>
public static Point DataToViewport(this Point dataPoint, CoordinateTransform transform)
{
return transform.DataTransform.DataToViewport(dataPoint);
}
public static IEnumerable <Point> ViewportToScreen(this IEnumerable <Point> viewportPoints, CoordinateTransform transform)
{
foreach (var point in viewportPoints)
{
yield return(point.ViewportToScreen(transform));
}
}
private void UniteWithBounds(CoordinateTransform transform, Rect bounds)
{
var childViewportBounds = bounds.ScreenToViewport(transform);
if (boundsUnionMode == BoundsUnionMode.Bounds)
overallViewportBounds.Union(childViewportBounds);
else
{
overallViewportBounds.Union(childViewportBounds.GetCenter());
}
}
/// <summary>
/// Transforms point in data coordinates to screen coordinates.
/// </summary>
/// <param name="dataPoint">Point in data coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Point in screen coordinates</returns>
public static Point DataToScreen(this Point dataPoint, CoordinateTransform transform)
{
return(transform.DataToScreen(dataPoint));
}
internal static CoordinateTransform CreateDefault()
{
CoordinateTransform transform = new CoordinateTransform(new Rect(0, 0, 1, 1), new Rect(0, 0, 1, 1));
return(transform);
}
private void Update()
{
if (Plotter == null) return;
if (DataSource == null) return;
layoutTransform.X = 0;
layoutTransform.Y = 0;
var dataSource = DataSource;
var dataPoints = dataSource.GetPoints();
transformWhenCreated = plotter.Transform;
var contentBounds = dataPoints.GetBounds();
Viewport2D.SetContentBounds(this, contentBounds);
foreach (Polyline polyline in Children)
{
polylinePool.Put(polyline);
}
Children.Clear();
PointCollection pointCollection = new PointCollection();
foreach (var screenPoint in dataPoints.DataToScreen(plotter.Transform))
{
if (pointCollection.Count < pointCount)
{
pointCollection.Add(screenPoint);
}
else
{
var polyline = polylinePool.GetOrCreate();
polyline.Points = pointCollection;
SetPolylineBindings(polyline);
Children.Add(polyline);
Dispatcher.Invoke(() => { }, DispatcherPriority.ApplicationIdle);
pointCollection = new PointCollection();
}
}
}
