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;
}
}
private void setPixel(Pos2 pos, byte[] color)
{
int index = (this.width * this.getYExtracted(pos.y) + pos.x) * 4;
for (var indexByte = 0; indexByte < color.Length; indexByte++)
{
this.bytesImageExtracted[index + indexByte] = color[indexByte];
}
}
public Pos2(Pos2 pos)
{
this.x = pos.x;
this.y = pos.y;
}
public void reset()
{
this.indexOffset = 0;
this.posCurrent = this.posStart.CloneDeep();
}
public YanagisawaPicLightning(Pos2 posStart)
{
this.posStart = posStart;
this.posCurrent = posStart.CloneDeep();
}
private bool readLightning(Pos2 pos, out YanagisawaPicLightning lightning)
{
lightning = new YanagisawaPicLightning(pos);
long value = 0;
if (!this.readBitsCompressed(1, out value))
{
return(false);
}
if (value == 0)
{
return(true);
}
bool needToExit = false;
while (!needToExit)
{
if (!this.readBitsCompressed(2, out value))
{
return(false);
}
var next = value;
switch (next)
{
case 0x0:
if (!this.readBitsCompressed(1, out value))
{
return(false);
}
if (value == 1)
{
if (!this.readBitsCompressed(1, out value))
{
return(false);
}
var next2 = value;
lightning.addOffset(next2 == 0 ? -2 : 2);
}
else
{
needToExit = true;
}
break;
case 0x1:
lightning.addOffset(-1);
break;
case 0x2:
lightning.addOffset(0);
break;
case 0x3:
lightning.addOffset(1);
break;
}
}
return(true);
}
