/// <summary>
/// Try to match the specified glyphs. Returns null if the match fails.
/// </summary>
/// <param name="src">Source.</param>
/// <param name="tgt">Target.</param>
public override GlyphMatch Match(Glyph src, Glyph tgt)
{
// Debug.Log("GetDifference: " + src.name + " ~ " + tgt.name);
int[] indexMatch = MatchStrokes(src, tgt);
if (indexMatch == null)
{
return(null); //failed
}
GlyphMatch.StrokeMatch[] matches = new GlyphMatch.StrokeMatch[indexMatch.Length];
for (int i = 0; i < indexMatch.Length; i++)
{
int j = indexMatch[i];
matches[i] = matchMatrix[i, j];
}
float costSum = 0, weight = 0;
foreach (GlyphMatch.StrokeMatch sm in matches)
{
costSum += sm.cost; weight += sm.weight;
}
GlyphMatch result = new GlyphMatch(src, tgt, matches, Mathf.Sqrt(costSum / weight), threshold);
src = null; tgt = null; //matches = null;
matchMatrix = null; error = null;
return(result);
}
/// <summary>
/// Sets this stroke to a lerp state of a stroke match.
/// </summary>
/// <param name="strokeMatch">Stroke Match.</param>
/// <param name="t">T.</param>
public void SetToMatchLerp(GlyphMatch.StrokeMatch strokeMatch, float t)
{
if (points.Length != strokeMatch.Length)
{
points = new Vector2[strokeMatch.Length]; //Resize points array
}
for (int index = 0; index < Length; index++)
{
points[index] = strokeMatch[index, t];
}
}
protected virtual GlyphMatch FinalizeMatch(Glyph src, Glyph tgt, int[] indexMatch)
{
if (indexMatch == null)
{
return(null); //failed
}
GlyphMatch.StrokeMatch[] matches = new GlyphMatch.StrokeMatch[indexMatch.Length];
for (int i = 0; i < indexMatch.Length; i++)
{
int j = indexMatch[i];
srcStroke = src[i]; tgtStroke = tgt[j];
matches[i] = GetStrokeMatch(error[i, j], directMatch[i, j]);// matchMatrix[i, j];
if (matches[i] == null)
{
return(null);
}
// if (matches[i]==null){
// Debug.Log ("Match "+i+"-"+j+" failed.");
// return null;
// }
// else{
// float meanCost = (float)Math.Sqrt(matches[i].cost / matches[i].weight);
// Debug.Log("MeanCost(" + i + "," + j + "): " + matches[i].cost + " / " + matches[i].weight + " (" + meanCost + ")");
// }
}
srcStroke = null; tgtStroke = null;
float costSum = 0, weight = 0;
foreach (GlyphMatch.StrokeMatch sm in matches)
{
costSum += sm.cost; weight += sm.weight;
}
GlyphMatch result = new GlyphMatch(src, tgt, matches, Mathf.Sqrt(costSum / weight), threshold);
src = null; tgt = null;
directMatch = null; error = null;
return(result);
}