/// <summary>
/// we do NOT store snap ***
/// </summary>
/// <param name="snap"></param>
public void AddPath(VertexStoreSnap snap)
{
//-----------------------------------------------------
//*** we extract vertext command and coord(x,y) from
//the snap but not store the snap inside rasterizer
//-----------------------------------------------------
double x = 0;
double y = 0;
if (m_cellAARas.Sorted)
{
Reset();
}
float offsetOrgX = OffsetOriginX;
float offsetOrgY = OffsetOriginY;
VertexSnapIter snapIter = snap.GetVertexSnapIter();
VertexCmd cmd;
#if DEBUG
int dbugVertexCount = 0;
#endif
if (ExtendX3ForSubPixelRendering)
{
while ((cmd = snapIter.GetNextVertex(out x, out y)) != VertexCmd.NoMore)
{
#if DEBUG
dbugVertexCount++;
#endif
//---------------------------------------------
//NOTE: we scale horizontal 3 times.
//subpixel renderer will shrink it to 1
//---------------------------------------------
AddVertex(cmd, (x + offsetOrgX) * 3, y + offsetOrgY);
}
}
else
{
while ((cmd = snapIter.GetNextVertex(out x, out y)) != VertexCmd.NoMore)
{
#if DEBUG
dbugVertexCount++;
#endif
AddVertex(cmd, x + offsetOrgX, y + offsetOrgY);
}
}
// if (snap.VxsHasMoreThanOnePart)
// {
// //****
// //render all parts
// VertexStore vxs = snap.GetInternalVxs();
// int j = vxs.Count;
// if (UseSubPixelRendering)
// {
// for (int i = 0; i < j; ++i)
// {
// var cmd = vxs.GetVertex(i, out x, out y);
// if (cmd != VertexCmd.Stop)
// {
// //AddVertext 1 of 4
// AddVertex(cmd, (x + offsetOrgX) * 3, y + offsetOrgY);
// }
// }
// }
// else
// {
// for (int i = 0; i < j; ++i)
// {
// var cmd = vxs.GetVertex(i, out x, out y);
// if (cmd != VertexCmd.Stop)
// {
// //AddVertext 2 of 4
// AddVertex(cmd, x + offsetOrgX, y + offsetOrgY);
// }
// }
// }
// }
// else
// {
// VertexSnapIter snapIter = snap.GetVertexSnapIter();
// VertexCmd cmd;
//#if DEBUG
// int dbugVertexCount = 0;
//#endif
// if (UseSubPixelRendering)
// {
// while ((cmd = snapIter.GetNextVertex(out x, out y)) != VertexCmd.Stop)
// {
//#if DEBUG
// dbugVertexCount++;
//#endif
// //AddVertext 3 of 4
// AddVertex(cmd, (x + offsetOrgX) * 3, y + offsetOrgY);
// }
// }
// else
// {
// while ((cmd = snapIter.GetNextVertex(out x, out y)) != VertexCmd.Stop)
// {
//#if DEBUG
// dbugVertexCount++;
//#endif
// //AddVertext 4 of 4
// AddVertex(cmd, x + offsetOrgX, y + offsetOrgY);
// }
// }
// }
}
/// <summary>
/// fill with BitmapBufferExtension lib
/// </summary>
void FillWithBxt(VertexStoreSnap snap)
{
//transate the vxs/snap to command
double x = 0;
double y = 0;
double offsetOrgX = this.OriginX;
double offsetOrgY = this.OriginY;
VertexSnapIter snapIter = snap.GetVertexSnapIter();
VertexCmd cmd;
int latestMoveToX = 0, latestMoveToY = 0;
int latestX = 0, latestY = 0;
bool closed = false;
_reusablePolygonList.Clear();
while ((cmd = snapIter.GetNextVertex(out x, out y)) != VertexCmd.NoMore)
{
x += offsetOrgX;
y += offsetOrgY;
switch (cmd)
{
case VertexCmd.MoveTo:
{
if (_reusablePolygonList.Count > 0)
{
//no drawline
_reusablePolygonList.Clear();
}
closed = false;
_reusablePolygonList.Add(latestMoveToX = latestX = (int)Math.Round(x));
_reusablePolygonList.Add(latestMoveToY = latestY = (int)Math.Round(y));
}
break;
case VertexCmd.LineTo:
case VertexCmd.P2c:
case VertexCmd.P3c:
{
//collect to the polygon
_reusablePolygonList.Add(latestX = (int)Math.Round(x));
_reusablePolygonList.Add(latestY = (int)Math.Round(y));
}
break;
case VertexCmd.Close:
case VertexCmd.CloseAndEndFigure:
{
if (_reusablePolygonList.Count > 0)
{
//flush by draw line
_reusablePolygonList.Add(latestX = latestMoveToX);
_reusablePolygonList.Add(latestY = latestMoveToY);
_bxt.FillPolygon(_reusablePolygonList.ToArray(),
this.fillColor.ToARGB());
}
_reusablePolygonList.Clear();
closed = true;
}
break;
default:
break;
}
}
//---------------
if (!closed && (_reusablePolygonList.Count > 0) &&
(latestX == latestMoveToX) && (latestY == latestMoveToY))
{
//flush by draw line
_reusablePolygonList.Add(latestMoveToX);
_reusablePolygonList.Add(latestMoveToY);
_bxt.FillPolygon(_reusablePolygonList.ToArray(),
this.fillColor.ToARGB());
}
}