public static List<List<IntPoint>> CreatePolygons(IVertexSource sourcePath, double scaling = 1000)
{
List<List<IntPoint>> allPolys = new List<List<IntPoint>>();
List<IntPoint> currentPoly = null;
VertexData last = new VertexData();
VertexData first = new VertexData();
bool addedFirst = false;
foreach (VertexData vertexData in sourcePath.Vertices())
{
if (vertexData.IsLineTo)
{
if (!addedFirst)
{
currentPoly.Add(new IntPoint((long)(last.position.x * scaling), (long)(last.position.y * scaling)));
addedFirst = true;
first = last;
}
currentPoly.Add(new IntPoint((long)(vertexData.position.x * scaling), (long)(vertexData.position.y * scaling)));
last = vertexData;
}
else
{
addedFirst = false;
currentPoly = new List<IntPoint>();
allPolys.Add(currentPoly);
if (vertexData.IsMoveTo)
{
last = vertexData;
}
else
{
last = first;
}
}
}
return allPolys;
}
public IEnumerable <VertexData> Vertices()
{
VertexData vertexData = new VertexData();
vertexData.command = FlagsAndCommand.CommandMoveTo;
vertexData.position.x = originX + radiusX;
vertexData.position.y = originY;
yield return(vertexData);
double anglePerStep = MathHelper.Tau / (double)numSteps;
double angle = 0;
vertexData.command = FlagsAndCommand.CommandLineTo;
for (int i = 1; i < numSteps; i++)
{
angle += anglePerStep;
if (m_cw)
{
vertexData.position.x = originX + Math.Cos(MathHelper.Tau - angle) * radiusX;
vertexData.position.y = originY + Math.Sin(MathHelper.Tau - angle) * radiusY;
yield return(vertexData);
}
else
{
vertexData.position.x = originX + Math.Cos(angle) * radiusX;
vertexData.position.y = originY + Math.Sin(angle) * radiusY;
yield return(vertexData);
}
}
vertexData.position = new Vector2();
vertexData.command = FlagsAndCommand.CommandEndPoly | FlagsAndCommand.FlagClose | FlagsAndCommand.FlagCCW;
yield return(vertexData);
vertexData.command = FlagsAndCommand.CommandStop;
yield return(vertexData);
}
public IEnumerable<VertexData> Vertices()
{
VertexData vertexData = new VertexData();
vertexData.command = FlagsAndCommand.CommandMoveTo;
vertexData.position.x = originX + radiusX;
vertexData.position.y = originY;
yield return vertexData;
double anglePerStep = MathHelper.Tau / (double)numSteps;
double angle = 0;
vertexData.command = FlagsAndCommand.CommandLineTo;
for (int i = 1; i < numSteps; i++)
{
angle += anglePerStep;
if (m_cw)
{
vertexData.position.x = originX + Math.Cos(MathHelper.Tau - angle) * radiusX;
vertexData.position.y = originY + Math.Sin(MathHelper.Tau - angle) * radiusY;
yield return vertexData;
}
else
{
vertexData.position.x = originX + Math.Cos(angle) * radiusX;
vertexData.position.y = originY + Math.Sin(angle) * radiusY;
yield return vertexData;
}
}
vertexData.position = new Vector2();
vertexData.command = FlagsAndCommand.CommandEndPoly | FlagsAndCommand.FlagClose | FlagsAndCommand.FlagCCW;
yield return vertexData;
vertexData.command = FlagsAndCommand.CommandStop;
yield return vertexData;
}
public IEnumerable<VertexData> Vertices()
{
VertexData lastPosition = new VertexData();
IEnumerator<VertexData> vertexDataEnumerator = VertexSource.Vertices().GetEnumerator();
while (vertexDataEnumerator.MoveNext())
{
VertexData vertexData = vertexDataEnumerator.Current;
switch (vertexData.command)
{
case ShapePath.FlagsAndCommand.CommandCurve3:
{
vertexDataEnumerator.MoveNext();
VertexData vertexDataEnd = vertexDataEnumerator.Current;
m_curve3.init(lastPosition.position.x, lastPosition.position.y, vertexData.position.x, vertexData.position.y, vertexDataEnd.position.x, vertexDataEnd.position.y);
IEnumerator<VertexData> curveIterator = m_curve3.Vertices().GetEnumerator();
curveIterator.MoveNext(); // First call returns path_cmd_move_to
do
{
curveIterator.MoveNext();
if (ShapePath.is_stop(curveIterator.Current.command))
{
break;
}
vertexData = new VertexData(ShapePath.FlagsAndCommand.CommandLineTo, curveIterator.Current.position);
yield return vertexData;
lastPosition = vertexData;
} while (!ShapePath.is_stop(curveIterator.Current.command));
}
break;
case ShapePath.FlagsAndCommand.CommandCurve4:
{
vertexDataEnumerator.MoveNext();
VertexData vertexDataControl = vertexDataEnumerator.Current;
vertexDataEnumerator.MoveNext();
VertexData vertexDataEnd = vertexDataEnumerator.Current;
m_curve4.init(lastPosition.position.x, lastPosition.position.y, vertexData.position.x, vertexData.position.y, vertexDataControl.position.x, vertexDataControl.position.y, vertexDataEnd.position.x, vertexDataEnd.position.y);
IEnumerator<VertexData> curveIterator = m_curve4.Vertices().GetEnumerator();
curveIterator.MoveNext(); // First call returns path_cmd_move_to
while (!ShapePath.is_stop(vertexData.command))
{
curveIterator.MoveNext();
if (ShapePath.is_stop(curveIterator.Current.command))
{
break;
}
vertexData = new VertexData(ShapePath.FlagsAndCommand.CommandLineTo, curveIterator.Current.position);
yield return vertexData;
lastPosition = vertexData;
}
}
break;
default:
yield return vertexData;
lastPosition = vertexData;
break;
}
}
}
public IEnumerable<VertexData> Vertices()
{
if (!m_IsInitialized)
{
normalize(startAngle, endAngle, m_Direction);
}
// go to the start
VertexData vertexData = new VertexData();
vertexData.command = moveToStart ? FlagsAndCommand.CommandMoveTo : FlagsAndCommand.CommandLineTo;
vertexData.position.x = originX + Math.Cos(startAngle) * radiusX;
vertexData.position.y = originY + Math.Sin(startAngle) * radiusY;
yield return vertexData;
double angle = startAngle;
vertexData.command = FlagsAndCommand.CommandLineTo;
while ((angle < endAngle - flatenDeltaAngle / 4) == (((int)EDirection.CounterClockWise) == 1))
{
angle += flatenDeltaAngle;
vertexData.position.x = originX + Math.Cos(angle) * radiusX;
vertexData.position.y = originY + Math.Sin(angle) * radiusY;
yield return vertexData;
}
vertexData.position.x = originX + Math.Cos(endAngle) * radiusX;
vertexData.position.y = originY + Math.Sin(endAngle) * radiusY;
yield return vertexData;
vertexData.command = FlagsAndCommand.CommandStop;
yield return vertexData;
}
public IEnumerable <VertexData> Vertices()
{
VertexData lastPosition = new VertexData();
IEnumerator <VertexData> vertexDataEnumerator = VertexSource.Vertices().GetEnumerator();
while (vertexDataEnumerator.MoveNext())
{
VertexData vertexData = vertexDataEnumerator.Current;
switch (vertexData.command)
{
case ShapePath.FlagsAndCommand.CommandCurve3:
{
vertexDataEnumerator.MoveNext();
VertexData vertexDataEnd = vertexDataEnumerator.Current;
m_curve3.init(lastPosition.position.x, lastPosition.position.y, vertexData.position.x, vertexData.position.y, vertexDataEnd.position.x, vertexDataEnd.position.y);
IEnumerator <VertexData> curveIterator = m_curve3.Vertices().GetEnumerator();
curveIterator.MoveNext(); // First call returns path_cmd_move_to
do
{
curveIterator.MoveNext();
if (ShapePath.is_stop(curveIterator.Current.command))
{
break;
}
vertexData = new VertexData(ShapePath.FlagsAndCommand.CommandLineTo, curveIterator.Current.position);
yield return(vertexData);
lastPosition = vertexData;
} while (!ShapePath.is_stop(curveIterator.Current.command));
}
break;
case ShapePath.FlagsAndCommand.CommandCurve4:
{
vertexDataEnumerator.MoveNext();
VertexData vertexDataControl = vertexDataEnumerator.Current;
vertexDataEnumerator.MoveNext();
VertexData vertexDataEnd = vertexDataEnumerator.Current;
m_curve4.init(lastPosition.position.x, lastPosition.position.y, vertexData.position.x, vertexData.position.y, vertexDataControl.position.x, vertexDataControl.position.y, vertexDataEnd.position.x, vertexDataEnd.position.y);
IEnumerator <VertexData> curveIterator = m_curve4.Vertices().GetEnumerator();
curveIterator.MoveNext(); // First call returns path_cmd_move_to
while (!ShapePath.is_stop(vertexData.command))
{
curveIterator.MoveNext();
if (ShapePath.is_stop(curveIterator.Current.command))
{
break;
}
vertexData = new VertexData(ShapePath.FlagsAndCommand.CommandLineTo, curveIterator.Current.position);
yield return(vertexData);
lastPosition = vertexData;
}
}
break;
default:
yield return(vertexData);
lastPosition = vertexData;
break;
}
}
}
public IEnumerable<VertexData> Vertices()
{
if (text != null && text.Length > 0)
{
Vector2 currentOffset = new Vector2(0, 0);
currentOffset = GetBaseline(currentOffset);
string[] lines = text.Split('\n');
foreach (string line in lines)
{
currentOffset = GetXPositionForLineBasedOnJustification(currentOffset, line);
for (int currentChar = 0; currentChar < line.Length; currentChar++)
{
IVertexSource currentGlyph = TypeFaceStyle.GetGlyphForCharacter(line[currentChar]);
if (currentGlyph != null)
{
foreach (VertexData vertexData in currentGlyph.Vertices())
{
if (vertexData.command != ShapePath.FlagsAndCommand.CommandStop)
{
VertexData offsetVertex = new VertexData(vertexData.command, vertexData.position + currentOffset + Origin);
yield return offsetVertex;
}
}
}
// get the advance for the next character
if (currentChar < line.Length - 1)
{
// pass the next char so the typeFaceStyle can do kerning if it needs to.
currentOffset.x += TypeFaceStyle.GetAdvanceForCharacter(line[currentChar], line[currentChar + 1]);
}
else
{
currentOffset.x += TypeFaceStyle.GetAdvanceForCharacter(line[currentChar]);
}
}
// before we go onto the next line we need to move down a line
currentOffset.x = 0;
currentOffset.y -= TypeFaceStyle.EmSizeInPixels;
}
}
VertexData endVertex = new VertexData(ShapePath.FlagsAndCommand.CommandStop, Vector2.Zero);
yield return endVertex;
}
override public IEnumerable <VertexData> Vertices()
{
double averageRadius = (Math.Abs(radius.x) + Math.Abs(radius.y)) / 2;
flatenDeltaAngle = Math.Acos(averageRadius / (averageRadius + 0.125 / scale)) * 2;
while (endAngle < startAngle)
{
endAngle += Math.PI * 2.0;
}
VertexData vertexData = new VertexData();
vertexData.command = FlagsAndCommand.CommandMoveTo;
if (direction == Direction.CounterClockWise)
{
vertexData.position.x = origin.x + Math.Cos(startAngle) * radius.x;
vertexData.position.y = origin.y + Math.Sin(startAngle) * radius.y;
yield return(vertexData);
vertexData.command = FlagsAndCommand.CommandLineTo;
double angle = startAngle;
int numSteps = (int)((endAngle - startAngle) / flatenDeltaAngle);
for (int i = 0; i <= numSteps; i++)
{
vertexData.position.x = origin.x + Math.Cos(angle) * radius.x;
vertexData.position.y = origin.y + Math.Sin(angle) * radius.y;
yield return(vertexData);
angle += flatenDeltaAngle;
}
vertexData.position.x = origin.x + Math.Cos(endAngle) * radius.x;
vertexData.position.y = origin.y + Math.Sin(endAngle) * radius.y;
yield return(vertexData);
}
else
{
vertexData.position.x = origin.x + Math.Cos(endAngle) * radius.x;
vertexData.position.y = origin.y + Math.Sin(endAngle) * radius.y;
yield return(vertexData);
vertexData.command = FlagsAndCommand.CommandLineTo;
double angle = endAngle;
int numSteps = (int)((endAngle - startAngle) / flatenDeltaAngle);
for (int i = 0; i <= numSteps; i++)
{
vertexData.position.x = origin.x + Math.Cos(angle) * radius.x;
vertexData.position.y = origin.y + Math.Sin(angle) * radius.y;
yield return(vertexData);
angle -= flatenDeltaAngle;
}
vertexData.position.x = origin.x + Math.Cos(startAngle) * radius.x;
vertexData.position.y = origin.y + Math.Sin(startAngle) * radius.y;
yield return(vertexData);
}
vertexData.command = FlagsAndCommand.CommandStop;
yield return(vertexData);
}
private void AddVertex(VertexData vertexData)
{
if (ShapePath.is_move_to(vertexData.command))
{
move_to_d(vertexData.position.x, vertexData.position.y);
}
else
{
if (ShapePath.is_vertex(vertexData.command))
{
line_to_d(vertexData.position.x, vertexData.position.y);
}
else
{
if (ShapePath.is_close(vertexData.command))
{
close_polygon();
}
}
}
}
public IEnumerable<VertexData> Vertices()
{
VertexData vertexData = new VertexData();
vertexData.command = FlagsAndCommand.CommandMoveTo;
vertexData.position = m_points[0];
yield return vertexData;
vertexData.command = FlagsAndCommand.CommandLineTo;
for (int i = 1; i < m_points.size(); i++)
{
vertexData.position = m_points[i];
yield return vertexData;
}
vertexData.command = FlagsAndCommand.CommandStop;
vertexData.position = new Vector2();
yield return vertexData;
}
