public void CloseContour()
{
if (curX == latestMoveToX && curY == latestMoveToY)
{
//we not need to close
}
else
{
if (_latestPart != null)
{
currentCnt.AddPart(_latestPart = new GlyphLine(_latestPart, latestMoveToX, latestMoveToY));
}
else
{
currentCnt.AddPart(_latestPart = new GlyphLine(curX, curY, latestMoveToX, latestMoveToY));
}
}
this.curX = latestMoveToX;
this.curY = latestMoveToY;
if (currentCnt != null &&
currentCnt.parts.Count > 0)
{
this.contours.Add(currentCnt);
currentCnt = null;
}
//
currentCnt = new GlyphContour();
}
public void CloseContour()
{
if (_curX == _latestMoveToX && _curY == _latestMoveToY)
{
//we not need to close
}
else
{
if (_latestPart != null)
{
_currentCnt.AddPart(_latestPart = new GlyphLine(_latestPart, _latestMoveToX, _latestMoveToY));
}
else
{
_currentCnt.AddPart(_latestPart = new GlyphLine(_curX, _curY, _latestMoveToX, _latestMoveToY));
}
}
_curX = _latestMoveToX;
_curY = _latestMoveToY;
if (_currentCnt != null &&
_currentCnt.parts.Count > 0)
{
_contours.Add(_currentCnt);
_currentCnt = null;
}
//
_currentCnt = new GlyphContour();
}
public void BeginRead(int contourCount)
{
//reset all
contours = new List <GlyphContour>();
_latestPart = null;
this.latestMoveToX = this.curX = this.latestMoveToY = this.curY = 0;
//
currentCnt = new GlyphContour();
//new contour, but not add
}
void GenerateContourOutput(IGlyphTranslator tx, GlyphContour contour)
{
List <GlyphPoint> points = contour.flattenPoints;
int j = points.Count;
if (j == 0)
{
return;
}
//-------------------------------------------------
Bounds controlBounds = this.OriginalGlyphControlBounds;
//walk along the edge in the contour to generate new edge output
float pxscale = this._pxScale;
#if DEBUG
// dbugWriteLine("===begin===" + fit_x_offset);
// if (!dbugUseHorizontalFitValue)
// {
// fit_x_offset = 0;
// }
#endif
//-------------------------------------------------
//fineSubPixelRenderingOffset = 0.33f;
//-------------------------------------------------
//TODO: review here
float fit_x, fit_y;
points[0].GetFitXY(pxscale, out fit_x, out fit_y);
//
tx.MoveTo(fit_x, fit_y);
#if DEBUG
// dbugWriteOutput("M", fit_x, fit_x + fit_x_offset, fit_y);
#endif
//2. others
for (int i = 1; i < j; ++i)
{
//try to fit to grid
points[i].GetFitXY(pxscale, out fit_x, out fit_y);
tx.LineTo(fit_x, fit_y);
#if DEBUG
//for debug
//dbugWriteOutput("L", fit_x, fit_x + fit_x_offset, fit_y);
#endif
}
//close
tx.CloseContour();
#if DEBUG
//dbugWriteLine("===end===");
#endif
}
void CreateGlyphEdges()
{
//reset bounds
_bounds_minX = _bounds_minY = float.MaxValue;
_bounds_maxX = _bounds_maxY = float.MinValue;
List <GlyphContour> contours = this._contours;
int j = contours.Count;
for (int i = 0; i < j; ++i)
{
GlyphContour cnt = contours[i];
cnt.CreateGlyphEdges();
//this is a new found after fitting process
cnt.FindBounds(ref _bounds_minX, ref _bounds_minY, ref _bounds_maxX, ref _bounds_maxY);
}
}
//
public void Walk(GlyphDynamicOutline dynamicOutline)
{
#if DEBUG
_dynamicOutline = dynamicOutline;
int triNumber = 0;
if (WalkTrianglesAndEdges)
{
foreach (GlyphTriangle tri in _dynamicOutline.dbugGetGlyphTriangles())
{
float centroidX, centriodY;
tri.CalculateCentroid(out centroidX, out centriodY);
OnTriangle(triNumber++, tri.e0, tri.e1, tri.e2, centroidX, centriodY);
}
}
//---------------
List <GlyphContour> contours = _dynamicOutline._contours;
List <CentroidLineHub> centroidLineHubs = _dynamicOutline.dbugGetCentroidLineHubs();
foreach (CentroidLineHub lineHub in centroidLineHubs)
{
Dictionary <GlyphTriangle, CentroidLine> lines = lineHub.GetAllCentroidLines();
Vector2 hubCenter = lineHub.CalculateAvgHeadPosition();
OnBegingLineHub(hubCenter.X, hubCenter.Y);
foreach (CentroidLine line in lines.Values)
{
List <GlyphBoneJoint> joints = line._joints;
int pairCount = joints.Count;
for (int i = 0; i < pairCount; ++i)
{
GlyphBoneJoint joint = joints[i];
if (WalkCentroidBone)
{
float px, py, qx, qy;
joint.dbugGetCentroidBoneCenters(out px, out py, out qx, out qy);
OnCentroidLine(px, py, qx, qy);
//--------------------------------------------------
if (joint.TipEdgeP != null)
{
Vector2 pos = joint.TipPointP;
OnCentroidLineTip_P(px, py, pos.X, pos.Y);
}
if (joint.TipEdgeQ != null)
{
Vector2 pos = joint.TipPointQ;
OnCentroidLineTip_Q(qx, qy, pos.X, pos.Y);
}
}
if (WalkGlyphBone)
{
OnBoneJoint(joint);
}
}
if (WalkGlyphBone)
{
//draw bone list
DrawBoneLinks(line);
}
}
//
OnEndLineHub(hubCenter.X, hubCenter.Y, lineHub.GetHeadConnectedJoint());
}
//----------------
List <GlyphContour> cnts = _dynamicOutline._contours;
int j = cnts.Count;
for (int i = 0; i < j; ++i)
{
GlyphContour cnt = cnts[i];
List <GlyphPoint> points = cnt.flattenPoints;
int n = points.Count;
for (int m = 0; m < n; ++m)
{
OnGlyphEdgeN(points[m].E0);
}
}
#endif
}
/// <summary>
/// create GlyphDynamicOutline from flatten contours
/// </summary>
/// <param name="flattenContours"></param>
/// <returns></returns>
GlyphDynamicOutline CreateDynamicOutline(List <GlyphContour> flattenContours)
{
//--------------------------
//TODO: review here, add hole or not
// more than 1 contours, no hole => eg. i, j, ;, etc
// more than 1 contours, with hole => eg. a,e , etc
//closewise => not hole
_waitingHoles.Clear();
int cntCount = flattenContours.Count;
Poly2Tri.Polygon mainPolygon = null;
//
//this version if it is a hole=> we add it to main polygon
//TODO: add to more proper polygon ***
//eg i
//--------------------------
List <Poly2Tri.Polygon> otherPolygons = null;
for (int n = 0; n < cntCount; ++n)
{
GlyphContour cnt = flattenContours[n];
if (cnt.IsClosewise())
{
//not a hole
if (mainPolygon == null)
{
//if we don't have mainPolygon before
//this is main polygon
mainPolygon = CreatePolygon(cnt.flattenPoints);
if (_waitingHoles.Count > 0)
{
//flush all waiting holes to the main polygon
int j = _waitingHoles.Count;
for (int i = 0; i < j; ++i)
{
mainPolygon.AddHole(_waitingHoles[i]);
}
_waitingHoles.Clear();
}
}
else
{
//if we already have a main polygon
//then this is another sub polygon
//IsHole is correct after we Analyze() the glyph contour
Poly2Tri.Polygon subPolygon = CreatePolygon(cnt.flattenPoints);
if (otherPolygons == null)
{
otherPolygons = new List <Poly2Tri.Polygon>();
}
otherPolygons.Add(subPolygon);
}
}
else
{
//this is a hole
Poly2Tri.Polygon subPolygon = CreatePolygon(cnt.flattenPoints);
if (mainPolygon == null)
{
//add to waiting polygon
_waitingHoles.Add(subPolygon);
}
else
{
//add to mainPolygon
mainPolygon.AddHole(subPolygon);
}
}
}
if (_waitingHoles.Count > 0)
{
throw new NotSupportedException();
}
//------------------------------------------
//2. tri angulate
Poly2Tri.P2T.Triangulate(mainPolygon); //that poly is triangulated
Poly2Tri.Polygon[] subPolygons = (otherPolygons != null) ? otherPolygons.ToArray() : null;
if (subPolygons != null)
{
for (int i = subPolygons.Length - 1; i >= 0; --i)
{
Poly2Tri.P2T.Triangulate(subPolygons[i]);
}
}
//3. intermediate outline is used inside this lib
//and then convert intermediate outline to dynamic outline
return(new GlyphDynamicOutline(
new GlyphIntermediateOutline(flattenContours, mainPolygon, subPolygons)));
}