本文整理汇总了C#中System.Drawing.Drawing2D.Matrix.Reset方法的典型用法代码示例。如果您正苦于以下问题：C# System.Drawing.Drawing2D.Matrix.Reset方法的具体用法？C# System.Drawing.Drawing2D.Matrix.Reset怎么用？C# System.Drawing.Drawing2D.Matrix.Reset使用的例子？那么, 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System.Drawing.Drawing2D.Matrix的用法示例。
在下文中一共展示了System.Drawing.Drawing2D.Matrix.Reset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: AddKeyPoint
/// <summary>
/// Add a key point into this polyline link.
/// </summary>
/// <param name="x">X coordinate of the key point.</param>
/// <param name="y">Y coordinate of the key point.</param>
/// <param name="rgObjs">GOM object collection.</param>
public void AddKeyPoint(float x, float y, GOM_Objects rgObjs)
{
if ( m_linkingStyle != GOM_Linking_Style.Polyline )
{
return;
}
System.Drawing.Drawing2D.Matrix matrix;
System.Drawing.PointF[] rgPts, rgAllPts;
System.Drawing.PointF startPt, endPt;
startPt = StartPointInCanvas(rgObjs);
endPt = EndPointInCanvas(rgObjs);
rgPts = new System.Drawing.PointF[2];
rgAllPts = new System.Drawing.PointF[m_keyPts.Count+2];
rgAllPts[0].X = startPt.X;
rgAllPts[0].Y = startPt.Y;
for(int i=0; i<m_keyPts.Count; i++)
{
rgAllPts[1+i].X = m_keyPts[i].x;
rgAllPts[1+i].Y = m_keyPts[i].y;
}
rgAllPts[rgAllPts.Length-1].X = endPt.X;
rgAllPts[rgAllPts.Length-1].Y = endPt.Y;
for(int i=0; i<(rgAllPts.Length-1); i++)
{
rgPts[0].X = rgAllPts[i+1].X;
rgPts[0].Y = rgAllPts[i+1].Y;
rgPts[1].X = x;
rgPts[1].Y = y;
matrix = new System.Drawing.Drawing2D.Matrix();
matrix.Translate(-rgAllPts[i].X, -rgAllPts[i].Y);
matrix.TransformPoints(rgPts);
float angle = (float)(System.Math.Atan2(rgAllPts[i+1].Y - rgAllPts[i].Y, rgAllPts[i+1].X - rgAllPts[i].X) / System.Math.PI) * 180;
matrix.Reset();
matrix.Rotate(-angle);
matrix.TransformPoints(rgPts);
if ((Math.Abs(rgPts[1].Y) < 2) && (-2 < rgPts[1].X) && (rgPts[1].X < rgPts[0].X + 2))
{
GOM_Point point = new GOM_Point();
point.x = x;
point.y = y;
m_keyPts.Insert(i, point);
return;
}
}
}示例2: PointToObject
public System.Drawing.PointF PointToObject(System.Drawing.PointF pt)
{
System.Drawing.Drawing2D.Matrix matrix;
System.Drawing.RectangleF rc;
System.Drawing.PointF[] rgPts;
rc = this.BoundingBox;
rgPts = new System.Drawing.PointF[1];
rgPts[0].X = pt.X;
rgPts[0].Y = pt.Y;
matrix = new System.Drawing.Drawing2D.Matrix();
matrix.Translate(-this.xOffset, -this.yOffset);
matrix.TransformPoints(rgPts);
matrix.Reset();
matrix.Translate(-(rc.Left + rc.Right) / 2, -(rc.Top + rc.Bottom) / 2);
matrix.TransformPoints(rgPts);
matrix.Reset();
matrix.Rotate(-this.rotation);
matrix.TransformPoints(rgPts);
matrix.Reset();
matrix.Translate((rc.Left + rc.Right) / 2, (rc.Top + rc.Bottom) / 2);
matrix.TransformPoints(rgPts);
return rgPts[0];
}示例3: IsPointOnLink
/// <summary>
/// Indicates whether a given point is on this link.
/// </summary>
/// <param name="x">X coordinate of the given point.</param>
/// <param name="y">Y coordinate of the given point.</param>
/// <param name="rgObjs">GOM object collection.</param>
/// <returns>Whether a given point is on this link.</returns>
public bool IsPointOnLink(float x, float y, GOM_Objects rgObjs)
{
switch (m_linkingStyle)
{
case GOM_Linking_Style.Line:
{
System.Drawing.Drawing2D.Matrix matrix;
System.Drawing.PointF[] rgPts;
System.Drawing.PointF startPt, endPt;
startPt = StartPointInCanvas(rgObjs);
endPt = EndPointInCanvas(rgObjs);
rgPts = new System.Drawing.PointF[2];
rgPts[0].X = endPt.X;
rgPts[0].Y = endPt.Y;
rgPts[1].X = x;
rgPts[1].Y = y;
matrix = new System.Drawing.Drawing2D.Matrix();
matrix.Translate(-startPt.X, -startPt.Y);
matrix.TransformPoints(rgPts);
float angle = (float)(System.Math.Atan2(endPt.Y - startPt.Y, endPt.X - startPt.X) / System.Math.PI) * 180;
matrix.Reset();
matrix.Rotate(-angle);
matrix.TransformPoints(rgPts);
if ((Math.Abs(rgPts[1].Y) < 2) && (-2 < rgPts[1].X) && (rgPts[1].X < rgPts[0].X + 2))
{
return true;
}
break;
}
case GOM_Linking_Style.Polyline:
{
System.Drawing.Drawing2D.Matrix matrix;
System.Drawing.PointF[] rgPts, rgAllPts;
System.Drawing.PointF startPt, endPt;
startPt = StartPointInCanvas(rgObjs);
endPt = EndPointInCanvas(rgObjs);
rgPts = new System.Drawing.PointF[2];
rgAllPts = new System.Drawing.PointF[m_keyPts.Count+2];
rgAllPts[0].X = startPt.X;
rgAllPts[0].Y = startPt.Y;
for(int i=0; i<m_keyPts.Count; i++)
{
rgAllPts[1+i].X = m_keyPts[i].x;
rgAllPts[1+i].Y = m_keyPts[i].y;
}
rgAllPts[rgAllPts.Length-1].X = endPt.X;
rgAllPts[rgAllPts.Length-1].Y = endPt.Y;
for(int i=0; i<(rgAllPts.Length-1); i++)
{
rgPts[0].X = rgAllPts[i+1].X;
rgPts[0].Y = rgAllPts[i+1].Y;
rgPts[1].X = x;
rgPts[1].Y = y;
matrix = new System.Drawing.Drawing2D.Matrix();
matrix.Translate(-rgAllPts[i].X, -rgAllPts[i].Y);
matrix.TransformPoints(rgPts);
float angle = (float)(System.Math.Atan2(rgAllPts[i+1].Y - rgAllPts[i].Y, rgAllPts[i+1].X - rgAllPts[i].X) / System.Math.PI) * 180;
matrix.Reset();
matrix.Rotate(-angle);
matrix.TransformPoints(rgPts);
if ((Math.Abs(rgPts[1].Y) < 2) && (-2 < rgPts[1].X) && (rgPts[1].X < rgPts[0].X + 2))
{
return true;
}
}
break;
}
case GOM_Linking_Style.Curve:
{
break;
}
default:
System.Diagnostics.Debug.Assert(false, "Unknown link style.");
break;
}
return false;
}