internal void WriteToImage(int bx, int by, Image <Rgba32> image)
{
LibJpegTools.ComponentData c0 = this.Components[0];
LibJpegTools.ComponentData c1 = this.Components[1];
LibJpegTools.ComponentData c2 = this.Components[2];
Block8x8 block0 = c0.SpectralBlocks[bx, by];
Block8x8 block1 = c1.SpectralBlocks[bx, by];
Block8x8 block2 = c2.SpectralBlocks[bx, by];
float d0 = (c0.MaxVal - c0.MinVal);
float d1 = (c1.MaxVal - c1.MinVal);
float d2 = (c2.MaxVal - c2.MinVal);
for (int y = 0; y < 8; y++)
{
for (int x = 0; x < 8; x++)
{
float val0 = c0.GetBlockValue(block0, x, y);
float val1 = c0.GetBlockValue(block1, x, y);
float val2 = c0.GetBlockValue(block2, x, y);
var v = new Vector4(val0, val1, val2, 1);
Rgba32 color = default;
color.PackFromVector4(v);
int yy = by * 8 + y;
int xx = bx * 8 + x;
image[xx, yy] = color;
}
}
}
public void PackUsingPointers()
{
Vector4 *sp = (Vector4 *)this.source.Pin();
byte * dp = (byte *)this.destination.Pin();
int count = this.Count;
int size = sizeof(Rgba32);
for (int i = 0; i < count; i++)
{
Vector4 v = Unsafe.Read <Vector4>(sp);
Rgba32 c = default(Rgba32);
c.PackFromVector4(v);
Unsafe.Write(dp, c);
sp++;
dp += size;
}
}
internal void WriteToImage(int bx, int by, Image <Rgba32> image)
{
Block8x8 block = this.SpectralBlocks[bx, by];
for (int y = 0; y < 8; y++)
{
for (int x = 0; x < 8; x++)
{
float val = this.GetBlockValue(block, x, y);
var v = new Vector4(val, val, val, 1);
Rgba32 color = default;
color.PackFromVector4(v);
int yy = by * 8 + y;
int xx = bx * 8 + x;
image[xx, yy] = color;
}
}
}
