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C# GraphicsPathIterator.NextPathType方法代碼示例

本文整理匯總了C#中System.Drawing.Drawing2D.GraphicsPathIterator.NextPathType方法的典型用法代碼示例。如果您正苦於以下問題:C# GraphicsPathIterator.NextPathType方法的具體用法?C# GraphicsPathIterator.NextPathType怎麽用?C# GraphicsPathIterator.NextPathType使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。


在下文中一共展示了GraphicsPathIterator.NextPathType方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。

示例1: NextPathTypeExample

public void NextPathTypeExample(PaintEventArgs e)
{
             
    // Create the GraphicsPath.
    GraphicsPath myPath = new GraphicsPath();

    Point[] myPoints = {new Point(20, 20), new Point(120, 120), 
         new Point(20, 120),new Point(20, 20) }; 
    Rectangle myRect = new Rectangle(120, 120, 100, 100);
             
    // Add 3 lines, a rectangle, and an ellipse.
    myPath.AddLines(myPoints);
    myPath.AddRectangle(myRect);
    myPath.AddEllipse(220, 220, 100, 100);
             
    // List all of the path points to the screen.
    ListPathPoints(e, myPath, null, 20, 1);
             
    // Create a GraphicsPathIterator.
    GraphicsPathIterator myPathIterator = new
        GraphicsPathIterator(myPath);
             
    // Rewind the Iterator.
    myPathIterator.Rewind();
             
    // Iterate the subpaths and types, and list the results to
             
    // the screen.
    int i, j = 20;
    int mySubPaths, subPathStartIndex, subPathEndIndex;
    Boolean IsClosed;
    byte subPathPointType;
    int pointTypeStartIndex,  pointTypeEndIndex, numPointsFound;
    Font myFont = new Font("Arial", 8);
    SolidBrush myBrush = new SolidBrush(Color.Black);
    j = 20;
    for(i = 0;i < 3; i++)
    {
        mySubPaths = myPathIterator.NextSubpath(
            out subPathStartIndex,
            out subPathEndIndex,
            out IsClosed);
        numPointsFound = myPathIterator.NextPathType(
            out subPathPointType,
            out pointTypeStartIndex,
            out pointTypeEndIndex);
        e.Graphics.DrawString(
            "SubPath: " + i +
            "  Points Found: " + numPointsFound.ToString() +
            "  Type of Points: " + subPathPointType.ToString(),
            myFont,
            myBrush,
            200,
            j);
        j+=20;
    }
             
    // List the total number of path points to the screen.
    ListPathPoints(e, myPath, myPathIterator, 200, 2);
}
             
//-------------------------------------------------------
//This function is a helper function used by
// NextPathTypeExample.
//-------------------------------------------------------
public void ListPathPoints(
    PaintEventArgs e,
    GraphicsPath myPath,
    GraphicsPathIterator myPathIterator,
    int xOffset,
    int listType)
{
             
    // Get the total number of points for the path,
    // and the arrays of the points and types.
    int myPathPointCount = myPath.PointCount;
    PointF[] myPathPoints = myPath.PathPoints;
    byte[] myPathTypes = myPath.PathTypes;
             
    // Set up variables for drawing the points to the screen.
    int i;
    float j = 20;
    Font myFont = new Font("Arial", 8);
    SolidBrush myBrush = new SolidBrush(Color.Black);
    if (listType == 1) 
        // List all the path points to the screen.
    {
             
        // Draw the set of path points and types to the screen.
        for(i=0; i<myPathPointCount; i++)
        {
            e.Graphics.DrawString(myPathPoints[i].X.ToString()+
                ", " + myPathPoints[i].Y.ToString() + ", " +
                myPathTypes[i].ToString(),
                myFont,
                myBrush,
                xOffset,
                j);
            j+=20;
        }
    }
    else if (listType == 2) 
        // Display the total number of path points.
    {
             
        // Draw the total number of points to the screen.
        int myPathTotalPoints = myPathIterator.Count;
        e.Graphics.DrawString("Total Points = " +
            myPathTotalPoints.ToString(),
            myFont,
            myBrush,
            xOffset,
            100);
    }
    else
    {
        e.Graphics.DrawString("Wrong or no list type argument.",
            myFont, myBrush, xOffset, 200);
    }
}
開發者ID:.NET開發者,項目名稱:System.Drawing.Drawing2D,代碼行數:120,代碼來源:GraphicsPathIterator.NextPathType


注:本文中的System.Drawing.Drawing2D.GraphicsPathIterator.NextPathType方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。