static public bool DrawGraphicsPath(
System.Drawing.Graphics pGraphics,
System.Drawing.Drawing2D.GraphicsPath pGraphicsPath,
System.Drawing.Color clrPen,
float fPenWidth)
{
if (pGraphics == null || pGraphicsPath == null)
{
return(false);
}
System.Drawing.Drawing2D.PathData pathData = pGraphicsPath.PathData;
if (pathData.Points.Length <= 0)
{
return(false);
}
System.Drawing.Pen pen = new Pen(clrPen, fPenWidth);
pen.LineJoin = LineJoin.Round;
stBezier bezier = new stBezier();
stStart start = new stStart();
PointF prevPoint = new PointF();
for (int i = 0; i < pathData.Types.Length; ++i)
{
byte maskedByte = pathData.Types[i];
if (pathData.Types[i] == (byte)PathPointType.PathTypeMask)
{
maskedByte = (byte)(pathData.Types[i] & 0x3);
}
switch (maskedByte)
{
case PathPointType.Start:
case PathPointType.Start | PathPointType.PathMarker:
start.fPoint = pathData.Points[i];
start.nCount = 1;
start.bDrawn = false;
bezier.nCount = 0;
break;
case PathPointType.Line:
case PathPointType.Line | PathPointType.PathMarker:
pGraphics.DrawLine(pen, prevPoint, pathData.Points[i]);
break;
case PathPointType.Line | PathPointType.CloseSubpath:
case PathPointType.Line | PathPointType.PathMarker | PathPointType.CloseSubpath:
pGraphics.DrawLine(pen, prevPoint, pathData.Points[i]);
pGraphics.DrawLine(pen, pathData.Points[i], start.fPoint);
start.nCount = 0;
break;
case PathPointType.Bezier:
case PathPointType.Bezier | PathPointType.PathMarker:
bezier.fPoints[bezier.nCount] = pathData.Points[i];
bezier.nCount++;
if (bezier.nCount == 1)
{
pGraphics.DrawLine(pen, prevPoint, pathData.Points[i]);
}
if (bezier.nCount >= 4)
{
pGraphics.DrawBezier(pen,
bezier.fPoints[0], bezier.fPoints[1],
bezier.fPoints[2], bezier.fPoints[3]);
bezier.nCount = 0;
}
break;
case PathPointType.Bezier | PathPointType.CloseSubpath:
case PathPointType.Bezier | PathPointType.PathMarker | PathPointType.CloseSubpath:
bezier.fPoints[bezier.nCount] = pathData.Points[i];
bezier.nCount++;
if (bezier.nCount == 1)
{
pGraphics.DrawLine(pen, prevPoint, pathData.Points[i]);
}
if (bezier.nCount >= 4)
{
pGraphics.DrawBezier(pen,
bezier.fPoints[0], bezier.fPoints[1],
bezier.fPoints[2], bezier.fPoints[3]);
bezier.nCount = 0;
if (start.nCount == 1)
{
pGraphics.DrawLine(pen, pathData.Points[i], start.fPoint);
start.nCount = 0;
}
}
else if (start.nCount == 1)
{
pGraphics.DrawLine(pen, pathData.Points[i], start.fPoint);
start.nCount = 0;
start.bDrawn = true;
}
break;
default:
{
//wchar_t buf[200];
//memset(buf,0, sizeof(buf));
//wsprintf(buf,_T("maskedByte: 0x%X\n"), maskedByte);
//OutputDebugStringW(buf);
}
break;
}
prevPoint = pathData.Points[i];
}
return(true);
}
public static bool DrawGraphicsPath(
System.Drawing.Graphics pGraphics,
System.Drawing.Drawing2D.GraphicsPath pGraphicsPath,
System.Drawing.Color clrPen,
float fPenWidth)
{
if (pGraphics == null || pGraphicsPath == null)
return false;
System.Drawing.Drawing2D.PathData pathData = pGraphicsPath.PathData;
if (pathData.Points.Length <= 0)
return false;
System.Drawing.Pen pen = new Pen(clrPen, fPenWidth);
pen.LineJoin = LineJoin.Round;
stBezier bezier = new stBezier();
stStart start = new stStart();
PointF prevPoint = new PointF();
for (int i = 0; i < pathData.Types.Length; ++i)
{
byte maskedByte = pathData.Types[i];
if (pathData.Types[i] == (byte)PathPointType.PathTypeMask)
{
maskedByte = (byte)(pathData.Types[i] & 0x3);
}
switch (maskedByte)
{
case PathPointType.Start:
case PathPointType.Start | PathPointType.PathMarker:
start.fPoint = pathData.Points[i];
start.nCount = 1;
start.bDrawn = false;
bezier.nCount = 0;
break;
case PathPointType.Line:
case PathPointType.Line | PathPointType.PathMarker:
pGraphics.DrawLine(pen, prevPoint, pathData.Points[i]);
break;
case PathPointType.Line | PathPointType.CloseSubpath:
case PathPointType.Line | PathPointType.PathMarker | PathPointType.CloseSubpath:
pGraphics.DrawLine(pen, prevPoint, pathData.Points[i]);
pGraphics.DrawLine(pen, pathData.Points[i], start.fPoint);
start.nCount = 0;
break;
case PathPointType.Bezier:
case PathPointType.Bezier | PathPointType.PathMarker:
bezier.fPoints[bezier.nCount] = pathData.Points[i];
bezier.nCount++;
if (bezier.nCount == 1)
pGraphics.DrawLine(pen, prevPoint, pathData.Points[i]);
if (bezier.nCount >= 4)
{
pGraphics.DrawBezier(pen,
bezier.fPoints[0], bezier.fPoints[1],
bezier.fPoints[2], bezier.fPoints[3]);
bezier.nCount = 0;
}
break;
case PathPointType.Bezier | PathPointType.CloseSubpath:
case PathPointType.Bezier | PathPointType.PathMarker | PathPointType.CloseSubpath:
bezier.fPoints[bezier.nCount] = pathData.Points[i];
bezier.nCount++;
if (bezier.nCount == 1)
pGraphics.DrawLine(pen, prevPoint, pathData.Points[i]);
if (bezier.nCount >= 4)
{
pGraphics.DrawBezier(pen,
bezier.fPoints[0], bezier.fPoints[1],
bezier.fPoints[2], bezier.fPoints[3]);
bezier.nCount = 0;
if (start.nCount == 1)
{
pGraphics.DrawLine(pen, pathData.Points[i], start.fPoint);
start.nCount = 0;
}
}
else if (start.nCount == 1)
{
pGraphics.DrawLine(pen, pathData.Points[i], start.fPoint);
start.nCount = 0;
start.bDrawn = true;
}
break;
default:
{
//wchar_t buf[200];
//memset(buf,0, sizeof(buf));
//wsprintf(buf,_T("maskedByte: 0x%X\n"), maskedByte);
//OutputDebugStringW(buf);
}
break;
}
prevPoint = pathData.Points[i];
}
return true;
}
