public IActionResult Post([FromBody] TransferInput input)
{
Image image = Image.CurrentImage;
List <Color> NewPalette = ColorTransfer.FormatPalette(input.NewPalette);
image.TransferPalette(NewPalette);
return(Json(image.GetPixelArray()));
}
public void OnTriggerStay2D(Collider2D other)
{
float dt = Time.deltaTime;
ColorTransfer transferOther = other.GetComponent <ColorTransfer> ();
if (transferOther == null)
{
return;
}
ColorModel colorModelOther = transferOther.GetColorModel();
float ColorAmt = _colorModel.GetColorAmount();
Vector3 RGBThis = _colorModel.GetRGB();
Vector3 RGBOther = colorModelOther.GetRGB();
float densityThis = _colorModel.GetDensity();
float densityOther = colorModelOther.GetDensity();
for (int i = 0; i < 3; i++)
{
float CThis = RGBThis [i];
float COther = RGBOther [i];
float deltaC = _DeltaFactor * (CThis - COther) + 1.0f;
float CAbsorb =
dt * _AbsorbPower * ColorAmt * densityThis /
(deltaC * densityOther);
CAbsorb = Mathf.Min(RGBOther [i], CAbsorb);
RGBOther [i] -= CAbsorb;
RGBThis [i] += CAbsorb;
}
_colorModel.SetRGB(RGBThis);
colorModelOther.SetRGB(RGBOther);
}
/// <summary>
/// Applies the filter function <paramref name="f"/> to the values in the image.
/// If the image is a gray scale image, the intensity is used for all three color channels of the input value
/// and the intensity of the green output channel is written to the image.
/// </summary>
/// <param name="bmp">The bitmap to filter.</param>
/// <param name="f">The transfer function.</param>
/// <exception cref="ArgumentNullException">Is thrown,
/// if <c>null</c> is given for <paramref name="bmp"/>, or <paramref name="f"/>.</exception>
/// <exception cref="ArgumentException">Is thrown,
/// if the pixel format of <paramref name="bmp"/> is not on of the following:
/// <see cref="PixelFormat.Format8bppIndexed"/>,
/// <see cref="PixelFormat.Format24bppRgb"/>,
/// or <see cref="PixelFormat.Format32bppArgb"/>.
/// </exception>
public static void ApplyFilter(this Bitmap bmp, ColorTransfer f)
{
if (bmp == null) throw new ArgumentNullException("bmp");
if (f == null) throw new ArgumentNullException("f");
var w = bmp.Width;
var h = bmp.Height;
BitmapData bmpData;
IntPtr line;
switch (bmp.PixelFormat)
{
case PixelFormat.Format8bppIndexed:
bmpData = bmp.LockBits(new Rectangle(0, 0, w, h),
ImageLockMode.ReadWrite, PixelFormat.Format8bppIndexed);
line = bmpData.Scan0;
for (var y = 0; y < h; y++)
{
for (var x = 0; x < w; x++)
{
var v = Marshal.ReadByte(line, x);
var c = Color.FromArgb(v, v, v);
c = f(x, y, c);
Marshal.WriteByte(line, x, c.G);
}
line += bmpData.Stride;
}
bmp.UnlockBits(bmpData);
break;
case PixelFormat.Format24bppRgb:
bmpData = bmp.LockBits(new Rectangle(0, 0, w, h),
ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
line = bmpData.Scan0;
for (var y = 0; y < h; y++)
{
for (var x = 0; x < w; x++)
{
var ofs = x * 3;
var c = Color.FromArgb(
Marshal.ReadByte(line, ofs + 2),
Marshal.ReadByte(line, ofs + 1),
Marshal.ReadByte(line, ofs + 0));
c = f(x, y, c);
Marshal.WriteByte(line, ofs + 0, c.B);
Marshal.WriteByte(line, ofs + 1, c.G);
Marshal.WriteByte(line, ofs + 2, c.R);
}
line += bmpData.Stride;
}
bmp.UnlockBits(bmpData);
break;
case PixelFormat.Format32bppArgb:
bmpData = bmp.LockBits(new Rectangle(0, 0, w, h),
ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
line = bmpData.Scan0;
for (var y = 0; y < h; y++)
{
for (var x = 0; x < w; x++)
{
var ofs = x * 4;
var c = Color.FromArgb(Marshal.ReadInt32(line, ofs));
c = f(x, y, c);
Marshal.WriteInt32(line, ofs, c.ToArgb());
}
line += bmpData.Stride;
}
bmp.UnlockBits(bmpData);
break;
default:
throw new ArgumentException("The pixel format of the given bitmap is not supported.", "bmp");
}
}
/// <summary>
/// Perform Palette-based Color Transfer
/// </summary>
/// <param name="newPalette"></param>
public void TransferPalette(List <Color> newPalette)
{
this.Pixels = ColorTransfer.Transfer(this, newPalette);
this.Edits.Add(new Image(this.Pixels));
}