本文整理汇总了C#中Point.ScreenToData方法的典型用法代码示例。如果您正苦于以下问题：C# Point.ScreenToData方法的具体用法？C# Point.ScreenToData怎么用？C# Point.ScreenToData使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Point的用法示例。
在下文中一共展示了Point.ScreenToData方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Render
public override void Render(DrawingContext dc, Point screenPoint)
{
Point dataPoint = screenPoint.ScreenToData(this.ct.Transform);
Point dataPointZero = new Point(dataPoint.X,0.0);
Point screenPointZero = dataPointZero.DataToScreen(this.ct.Transform);
//const double verticalShift = 5; // px
//dc.DrawLine(new Pen(Brushes.Black, 1), Point.Add(screenPoint, new Vector(0, 40)), screenPoint);
double pointx = screenPointZero.X + 2;
double pointy = screenPointZero.Y + 2;
FormattedText textToDraw = new FormattedText(dataPoint.Y.ToString("0.000"), Thread.CurrentThread.CurrentCulture,
FlowDirection.LeftToRight, new Typeface("Arial"), 12, Brushes.Black);
dc.DrawText(textToDraw, new Point(pointx, pointy));
/*
string svalue = dataPoint.Y.ToString("0.000");
foreach (var s in svalue)
{
if (s.Equals('.'))
continue;
FormattedText textToDraw = new FormattedText(s.ToString(), Thread.CurrentThread.CurrentCulture,
FlowDirection.LeftToRight, new Typeface("Arial"), 12, Brushes.Black);
dc.DrawText(textToDraw, new Point(pointx,pointy));
pointy = pointy + 10;
}
* */
}示例2: MouseWheelZoom
private void MouseWheelZoom(Point mousePos, int wheelRotationDelta) {
Point zoomTo = mousePos.ScreenToData(Viewport.Transform);
double zoomSpeed = Math.Abs(wheelRotationDelta / Mouse.MouseWheelDeltaForOneLine);
zoomSpeed *= wheelZoomSpeed;
if (wheelRotationDelta < 0) {
zoomSpeed = 1 / zoomSpeed;
}
Viewport.Visible = Viewport.Visible.Zoom(zoomTo, zoomSpeed);
}示例3: UpdateUIRepresentation
private void UpdateUIRepresentation(Point mousePos)
{
if (Plotter2D == null) return;
var transform = Plotter2D.Viewport.Transform;
Rect visible = Plotter2D.Viewport.Visible;
Rect output = Plotter2D.Viewport.Output;
if (!output.Contains(mousePos)) return;
horizLine.X1 = output.Left;
horizLine.X2 = output.Right;
horizLine.Y1 = mousePos.Y;
horizLine.Y2 = mousePos.Y;
vertLine.X1 = mousePos.X;
vertLine.X2 = mousePos.X;
vertLine.Y1 = output.Top;
vertLine.Y2 = output.Bottom;
if (UseDashOffset)
{
horizLine.StrokeDashOffset = (output.Right - mousePos.X) / 2;
vertLine.StrokeDashOffset = (output.Bottom - mousePos.Y) / 2;
}
Point mousePosInData = mousePos.ScreenToData(transform);
string text = null;
if (showVerticalLine)
{
double xValue = mousePosInData.X;
m_longitude = xValue; //kda
if (xTextMapping != null)
text = xTextMapping(xValue);
// doesnot have xTextMapping or it returned null
if (text == null)
text = GetRoundedValue(visible.Left, visible.Right, xValue);
if (!String.IsNullOrEmpty(customXFormat))
text = String.Format(customXFormat, text);
horizTextBlock.Text = text;
}
double width = horizGrid.ActualWidth;
double x = mousePos.X + blockShift.X;
if (x + width > output.Right)
{
x = mousePos.X - blockShift.X - width;
}
Canvas.SetLeft(horizGrid, x);
if (showHorizontalLine)
{
double yValue = mousePosInData.Y;
m_latitude = yValue; // kda
text = null;
if (yTextMapping != null)
text = yTextMapping(yValue);
if (text == null)
text = GetRoundedValue(visible.Bottom, visible.Top, yValue);
if (!String.IsNullOrEmpty(customYFormat))
text = String.Format(customYFormat, text);
vertTextBlock.Text = text;
}
// by default vertGrid is positioned on the top of line.
double height = vertGrid.ActualHeight;
double y = mousePos.Y - blockShift.Y - height;
if (y < output.Top)
{
y = mousePos.Y + blockShift.Y;
}
Canvas.SetTop(vertGrid, y);
Position = mousePos;
}