private void setLineSegment(Pos2 pos, int length, List <YanagisawaPicLineSegment> segments)
{
System.Diagnostics.Debug.Assert(this.colorCurrent.Length == 4);
int index = (this.width * this.getYExtracted(pos.y) + pos.x) * 4;
// int index = pos.x * 4;
var enumerator = segments.GetEnumerator();
YanagisawaPicLineSegment segmentCurrent = enumerator.MoveNext() ? enumerator.Current : null;
while (segmentCurrent != null && segmentCurrent.x < pos.x)
{
this.colorCurrent = segmentCurrent.color;
segmentCurrent = enumerator.MoveNext() ? enumerator.Current : null;
}
for (var indexPixel = 0; indexPixel < length; indexPixel++)
{
if (segmentCurrent != null && segmentCurrent.x <= pos.x + indexPixel)
{
this.colorCurrent = segmentCurrent.color;
segmentCurrent = enumerator.MoveNext() ? enumerator.Current : null;
}
for (var indexByte = 0; indexByte < this.colorCurrent.Length; indexByte++)
{
this.bytesImageExtracted[index + indexByte] = this.colorCurrent[indexByte];
}
index += 4;
}
}
static public int compareLessThan(YanagisawaPicLineSegment seg0, YanagisawaPicLineSegment seg1)
{
return((seg0.x == seg1.x) ? 0 : ((seg0.x < seg1.x) ? -1 : 1));
}