本文整理汇总了C#中ScreenPoint.ToVector2方法的典型用法代码示例。如果您正苦于以下问题：C# ScreenPoint.ToVector2方法的具体用法？C# ScreenPoint.ToVector2怎么用？C# ScreenPoint.ToVector2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ScreenPoint的用法示例。
在下文中一共展示了ScreenPoint.ToVector2方法的1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: DrawText
/// <summary>
/// Draws the text.
/// </summary>
/// <param name="p">The position.</param>
/// <param name="text">The text.</param>
/// <param name="fill">The fill color.</param>
/// <param name="fontFamily">The font family.</param>
/// <param name="fontSize">Size of the font.</param>
/// <param name="fontWeight">The font weight.</param>
/// <param name="rotate">The rotation angle.</param>
/// <param name="halign">The horizontal alignment.</param>
/// <param name="valign">The vertical alignment.</param>
/// <param name="maxSize">The maximum size of the text.</param>
public void DrawText(
ScreenPoint p,
string text,
OxyColor fill,
string fontFamily,
double fontSize,
double fontWeight,
double rotate,
OxyPlot.HorizontalAlignment halign,
OxyPlot.VerticalAlignment valign,
OxySize? maxSize)
{
if (string.IsNullOrWhiteSpace(fontFamily))
{
fontFamily = "Arial";
}
if (text == null)
{
text = string.Empty;
}
var format = new TextFormat(this.dwtFactory, fontFamily, GetFontWeight(fontWeight), FontStyle.Normal, FontStretch.Normal, (float)fontSize);
var maxWidth = 1000f;
var maxHeight = 1000f;
if (maxSize != null)
{
maxHeight = (float)maxSize.Value.Height;
maxWidth = (float)maxSize.Value.Width;
}
var layout = new TextLayout(this.dwtFactory, text, format, maxWidth, maxHeight);
var size = new Size2F(layout.Metrics.Width, layout.Metrics.Height);
if (maxSize != null)
{
if (size.Width > maxSize.Value.Width)
{
size.Width = (float)maxSize.Value.Width;
}
if (size.Height > maxSize.Value.Height)
{
size.Height = (float)maxSize.Value.Height;
}
}
float dx = 0;
if (halign == OxyPlot.HorizontalAlignment.Center)
{
dx = -size.Width / 2;
}
if (halign == OxyPlot.HorizontalAlignment.Right)
{
dx = -size.Width;
}
float dy = 0;
if (valign == OxyPlot.VerticalAlignment.Middle)
{
dy = -size.Height / 2;
}
if (valign == OxyPlot.VerticalAlignment.Bottom)
{
dy = -size.Height;
}
this.renderUnits.Add(new TextRenderUnit(layout, this.GetBrush(fill), Matrix3x2.Translation(dx, dy) * Matrix3x2.Rotation((float)rotate) * Matrix3x2.Translation(p.ToVector2())));
format.Dispose();
}