InternalGraphicsPath CreateGraphicsPath(VertexStoreSnap vxsSnap, bool buildForRenderVx)
{
VertexSnapIter vxsIter = vxsSnap.GetVertexSnapIter();
double prevX = 0;
double prevY = 0;
double prevMoveToX = 0;
double prevMoveToY = 0;
xylist.Clear();
//TODO: reivew here
//about how to reuse this list
bool isAddToList = true;
//result...
List <Figure> figures = new List <Figure>();
for (; ;)
{
double x, y;
switch (vxsIter.GetNextVertex(out x, out y))
{
case PixelFarm.Agg.VertexCmd.MoveTo:
if (!isAddToList)
{
isAddToList = true;
}
prevMoveToX = prevX = x;
prevMoveToY = prevY = y;
xylist.Add((float)x);
xylist.Add((float)y);
break;
case PixelFarm.Agg.VertexCmd.LineTo:
xylist.Add((float)x);
xylist.Add((float)y);
prevX = x;
prevY = y;
break;
case PixelFarm.Agg.VertexCmd.Close:
//from current point
{
xylist.Add((float)prevMoveToX);
xylist.Add((float)prevMoveToY);
prevX = prevMoveToX;
prevY = prevMoveToY;
//-----------
Figure newfig = new Figure(xylist.ToArray());
newfig.SupportVertexBuffer = buildForRenderVx;
figures.Add(newfig);
//-----------
xylist.Clear();
isAddToList = false;
}
break;
case VertexCmd.CloseAndEndFigure:
//from current point
{
xylist.Add((float)prevMoveToX);
xylist.Add((float)prevMoveToY);
prevX = prevMoveToX;
prevY = prevMoveToY;
//
Figure newfig = new Figure(xylist.ToArray());
newfig.SupportVertexBuffer = buildForRenderVx;
figures.Add(newfig);
//-----------
xylist.Clear();
isAddToList = false;
}
break;
case PixelFarm.Agg.VertexCmd.NoMore:
goto EXIT_LOOP;
default:
throw new System.NotSupportedException();
}
}
EXIT_LOOP:
if (figures.Count == 0)
{
Figure newfig = new Figure(xylist.ToArray());
newfig.SupportVertexBuffer = buildForRenderVx;
figures.Add(newfig);
}
return(new InternalGraphicsPath(figures));
}
/// <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());
}
}
public static InternalGraphicsPath CreateGraphicsPath(VertexStoreSnap vxsSnap)
{
VertexSnapIter vxsIter = vxsSnap.GetVertexSnapIter();
double prevX = 0;
double prevY = 0;
double prevMoveToX = 0;
double prevMoveToY = 0;
//TODO: reivew here
//about how to reuse this list
List <List <float> > allXYlist = new List <List <float> >(); //all include sub path
List <float> xylist = new List <float>();
allXYlist.Add(xylist);
bool isAddToList = true;
//bool vxsMoreThan1 = vxsSnap.VxsHasMoreThanOnePart;
for (;;)
{
double x, y;
VertexCmd cmd = vxsIter.GetNextVertex(out x, out y);
switch (cmd)
{
case PixelFarm.Agg.VertexCmd.MoveTo:
if (!isAddToList)
{
allXYlist.Add(xylist);
isAddToList = true;
}
prevMoveToX = prevX = x;
prevMoveToY = prevY = y;
xylist.Add((float)x);
xylist.Add((float)y);
break;
case PixelFarm.Agg.VertexCmd.LineTo:
xylist.Add((float)x);
xylist.Add((float)y);
prevX = x;
prevY = y;
break;
case PixelFarm.Agg.VertexCmd.Close:
//from current point
xylist.Add((float)prevMoveToX);
xylist.Add((float)prevMoveToY);
prevX = prevMoveToX;
prevY = prevMoveToY;
//xylist = new List<float>();
//isAddToList = false;
break;
case VertexCmd.CloseAndEndFigure:
//from current point
xylist.Add((float)prevMoveToX);
xylist.Add((float)prevMoveToY);
prevX = prevMoveToX;
prevY = prevMoveToY;
//
xylist = new List <float>();
isAddToList = false;
break;
case PixelFarm.Agg.VertexCmd.NoMore:
goto EXIT_LOOP;
default:
throw new System.NotSupportedException();
}
}
EXIT_LOOP:
int j = allXYlist.Count;
List <Figure> figures = new List <Figure>(j);
for (int i = 0; i < j; ++i)
{
figures.Add(new Figure(allXYlist[i].ToArray()));
}
return(new InternalGraphicsPath(figures));
}
/// <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 (ExtendWidthX3ForSubPixelLcdEffect)
{
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);
// }
// }
// }
}
