/// <summary>
/// apply grid box to all bones in this line
/// </summary>
/// <param name="gridW"></param>
/// <param name="gridH"></param>
public void ApplyGridBox(List <BoneGroup> boneGroups, int gridW, int gridH)
{
//1. apply grid box to each joint
for (int i = _joints.Count - 1; i >= 0; --i)
{
_joints[i].AdjustFitXY(gridW, gridH);
}
//2. (re) calculate slope for all bones.
for (int i = bones.Count - 1; i >= 0; --i)
{
bones[i].EvaluateSlope();
}
//3. re-grouping
int j = bones.Count;
BoneGroup boneGroup = new BoneGroup(this); //new group
boneGroup.slopeKind = LineSlopeKind.Other;
//
float approxLen = 0;
float ypos_sum = 0;
float xpos_sum = 0;
for (int i = 0; i < j; ++i)
{
GlyphBone bone = bones[i];
LineSlopeKind slope = bone.SlopeKind;
Vector2 mid_pos = bone.GetMidPoint();
if (slope != boneGroup.slopeKind)
{
//add existing to list and create a new group
if (boneGroup.count > 0)
{
//add existing bone group to bone-group list
boneGroup.approxLength = approxLen;
boneGroup.avg_x = xpos_sum / boneGroup.count;
boneGroup.avg_y = ypos_sum / boneGroup.count;
//
boneGroups.Add(boneGroup);
}
//
boneGroup = new BoneGroup(this);
boneGroup.startIndex = i;
boneGroup.slopeKind = slope;
//
boneGroup.count++;
approxLen = bone.EvaluateFitLength(); //reset
//
xpos_sum = mid_pos.X;
ypos_sum = mid_pos.Y;
}
else
{
boneGroup.count++;
approxLen += bone.EvaluateFitLength(); //append
//
xpos_sum += mid_pos.X;
ypos_sum += mid_pos.Y;
}
}
//
if (boneGroup.count > 0)
{
boneGroup.approxLength = approxLen;
boneGroup.avg_x = xpos_sum / boneGroup.count;
boneGroup.avg_y = ypos_sum / boneGroup.count;
boneGroups.Add(boneGroup);
}
}
public void Analyze()
{
//check if q is upper or lower when compare with p
//check if q is on left side or right side of p
//then we know the direction
//p
double x0 = p.CentroidX;
double y0 = p.CentroidY;
//q
double x1 = q.CentroidX;
double y1 = q.CentroidY;
if (x1 == x0)
{
this.SlopKind = LineSlopeKind.Vertical;
SlopAngle = 1;
}
else
{
SlopAngle = Math.Abs(Math.Atan2(Math.Abs(y1 - y0), Math.Abs(x1 - x0)));
if (SlopAngle > _85degreeToRad)
{
SlopKind = LineSlopeKind.Vertical;
}
else if (SlopAngle < _15degreeToRad)
{
SlopKind = LineSlopeKind.Horizontal;
}
else
{
SlopKind = LineSlopeKind.Other;
}
}
//--------------------------------------
int p_outsideCount = OutSideCount(p);
int q_outsideCount = OutSideCount(q);
bool p_isTip = false;
bool q_isTip = false;
if (p_outsideCount >= 2)
{
//tip bone
p_isTip = true;
}
if (q_outsideCount >= 2)
{
//tipbone
q_isTip = true;
}
//--------------------------------------
//p_isTip && q_isTip is possible eg. dot or dot of i etc.
//--------------------------------------
//find matching side
if (p.e0.IsOutside)
{
//find matching side on q
MarkMatchingEdge(p.e0, q);
}
if (p.e1.IsOutside)
{
//find matching side on q
MarkMatchingEdge(p.e1, q);
}
if (p.e2.IsOutside)
{
//find matching side on q
MarkMatchingEdge(p.e2, q);
}
if (q.e0.IsOutside)
{
//find matching side on q
MarkMatchingEdge(q.e0, p);
}
if (q.e1.IsOutside)
{
//find matching side on q
MarkMatchingEdge(q.e1, p);
}
if (q.e2.IsOutside)
{
//find matching side on q
MarkMatchingEdge(q.e2, p);
}
}
