public override void GetBytes(
Colord[] source, int index, int width, int height,
System.IO.Stream destination, int rowPitch, int slicePitch,
Boxi sourceBoxi, Point3i destinationPoint)
{
if ((destinationPoint.X & 0x3) != 0 || (destinationPoint.Y & 0x3) != 0)
throw new ArgumentException("destinationPoint X and Y must be a multiple of 4.", "destinationPoint");
//seek to start
destination.Seek(
(destinationPoint.X / 4) * BlockSize + (destinationPoint.Y / 4) * rowPitch + destinationPoint.Z * slicePitch,
System.IO.SeekOrigin.Current);
// loop over blocks
Internal.ColordSet colorSet = new Internal.ColordSet(Options.WeightColordByAlpha);
Internal.ColordBlock colorBlock = new Internal.ColordBlock();
for (int z = 0; z < sourceBoxi.Depth; ++z)
{
for (int y = 0; y < sourceBoxi.Height; y+=4)
{
//write scan line
for (int x = 0; x < sourceBoxi.Width; x+=4)
{
// compress the block
colorSet.Map(source, index, sourceBoxi.X + x, sourceBoxi.Y + y, sourceBoxi.Z + z, width, height);
//if (colorSet.Count != 1)
// colorBlock = Internal.SingleColordFit.Fit(colorSet, Options);
//else
{
switch (Options.Quality)
{
case Quality.Fastest:
case Quality.Low:
case Quality.Normal:
case Quality.High:
case Quality.Best:
Internal.BoxiFit.Fit(colorBlock, colorSet, Options, true); break;
//case Quality.Normal:
// colorBlock = Internal.RangeFit.Fit(colorSet, Options, true); break;
//case quality.High:
// colorBlock = Internal.ClusterFit.Fit(colorSet, options, true, false); break;
//case quality.Best:
// colorBlock = Internal.ClusterFit.Fit(colorSet, options, true, true); break;
default:
break;
}
}
// write the endpoints
destination.WriteByte((byte)colorBlock.Colord0);
destination.WriteByte((byte)(colorBlock.Colord0 >> 8));
destination.WriteByte((byte)colorBlock.Colord1);
destination.WriteByte((byte)(colorBlock.Colord1 >> 8));
int indices = 0;
for (int i = 0; i < 16; ++i)
{
indices |= (colorBlock.Indices[i] & 3) << (i << 1);
}
// write the indices
destination.WriteByte((byte)indices);
destination.WriteByte((byte)(indices >> 8));
destination.WriteByte((byte)(indices >> 16));
destination.WriteByte((byte)(indices >> 24));
}
//seek to next scan line
destination.Seek(rowPitch - (((sourceBoxi.Width + 3) / 4) * BlockSize),
System.IO.SeekOrigin.Current);
}
//seek to next scan slice
destination.Seek(slicePitch - (((sourceBoxi.Height + 3) / 4) * ((sourceBoxi.Width + 3) / 4) * BlockSize),
System.IO.SeekOrigin.Current);
}
}
public override void GetBytes(
Colord[] source, int index, int width, int height,
System.IO.Stream destination, int rowPitch, int slicePitch,
Boxi sourceBoxi, Point3i destinationPoint)
{
if ((destinationPoint.X & 0x3) != 0 || (destinationPoint.Y & 0x3) != 0)
{
throw new ArgumentException("destinationPoint X and Y must be a multiple of 4.", "destinationPoint");
}
//seek to start
destination.Seek(
(destinationPoint.X / 4) * BlockSize + (destinationPoint.Y / 4) * rowPitch + destinationPoint.Z * slicePitch,
System.IO.SeekOrigin.Current);
// loop over blocks
Internal.ColordSet colorSet = new Internal.ColordSet(Options.WeightColordByAlpha);
Internal.ColordBlock colorBlock = new Internal.ColordBlock();
for (int z = 0; z < sourceBoxi.Depth; ++z)
{
for (int y = 0; y < sourceBoxi.Height; y += 4)
{
//write scan line
for (int x = 0; x < sourceBoxi.Width; x += 4)
{
// compress the block
colorSet.Map(source, index, sourceBoxi.X + x, sourceBoxi.Y + y, sourceBoxi.Z + z, width, height);
//if (colorSet.Count != 1)
// colorBlock = Internal.SingleColordFit.Fit(colorSet, Options);
//else
{
switch (Options.Quality)
{
case Quality.Fastest:
case Quality.Low:
case Quality.Normal:
case Quality.High:
case Quality.Best:
Internal.BoxiFit.Fit(colorBlock, colorSet, Options, true); break;
//case Quality.Normal:
// colorBlock = Internal.RangeFit.Fit(colorSet, Options, true); break;
//case quality.High:
// colorBlock = Internal.ClusterFit.Fit(colorSet, options, true, false); break;
//case quality.Best:
// colorBlock = Internal.ClusterFit.Fit(colorSet, options, true, true); break;
default:
break;
}
}
// write the endpoints
destination.WriteByte((byte)colorBlock.Colord0);
destination.WriteByte((byte)(colorBlock.Colord0 >> 8));
destination.WriteByte((byte)colorBlock.Colord1);
destination.WriteByte((byte)(colorBlock.Colord1 >> 8));
int indices = 0;
for (int i = 0; i < 16; ++i)
{
indices |= (colorBlock.Indices[i] & 3) << (i << 1);
}
// write the indices
destination.WriteByte((byte)indices);
destination.WriteByte((byte)(indices >> 8));
destination.WriteByte((byte)(indices >> 16));
destination.WriteByte((byte)(indices >> 24));
}
//seek to next scan line
destination.Seek(rowPitch - (((sourceBoxi.Width + 3) / 4) * BlockSize),
System.IO.SeekOrigin.Current);
}
//seek to next scan slice
destination.Seek(slicePitch - (((sourceBoxi.Height + 3) / 4) * ((sourceBoxi.Width + 3) / 4) * BlockSize),
System.IO.SeekOrigin.Current);
}
}
