public void Serialize(Stream stream, ColourCollection palette, AdobePhotoshopColourSwatchFileVersion version, AdobePhotoshopColourSwatchColourSpace colourSpace)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (palette == null)
{
throw new ArgumentNullException(nameof(palette));
}
if (version == AdobePhotoshopColourSwatchFileVersion.VERSION2)
{
this.WritePalette(stream, palette, AdobePhotoshopColourSwatchFileVersion.VERSION1, colourSpace);
}
this.WritePalette(stream, palette, version, colourSpace);
}
protected virtual void WritePalette(Stream stream, ColourCollection palette, AdobePhotoshopColourSwatchFileVersion version, AdobePhotoshopColourSwatchColourSpace colorSpace)
{
int swatchIndex;
this.WriteInt16(stream, (short)version);
this.WriteInt16(stream, (short)palette.Count);
swatchIndex = 0;
foreach (Color colour in palette)
{
short value1;
short value2;
short value3;
short value4;
swatchIndex++;
switch (colorSpace)
{
case AdobePhotoshopColourSwatchColourSpace.RGB:
value1 = (short)(colour.R * 256);
value2 = (short)(colour.G * 256);
value3 = (short)(colour.B * 256);
value4 = 0;
break;
case AdobePhotoshopColourSwatchColourSpace.HSB:
value1 = (short)(colour.GetHue() * 182.04);
value2 = (short)(colour.GetSaturation() * 655.35);
value3 = (short)(colour.GetBrightness() * 655.35);
value4 = 0;
break;
case AdobePhotoshopColourSwatchColourSpace.GRAYSCALE:
if (colour.R == colour.G && colour.R == colour.B)
{
// already grayscale
value1 = (short)(colour.R * 39.0625);
}
else
{
// color is not grayscale, convert
value1 = (short)((colour.R + colour.G + colour.B) / 3.0 * 39.0625);
}
value2 = 0;
value3 = 0;
value4 = 0;
break;
default:
throw new InvalidOperationException("Color space not supported.");
}
this.WriteInt16(stream, (short)colorSpace);
this.WriteInt16(stream, value1);
this.WriteInt16(stream, value2);
this.WriteInt16(stream, value3);
this.WriteInt16(stream, value4);
if (version == AdobePhotoshopColourSwatchFileVersion.VERSION2)
{
string name;
#if USENAMEHACK
name = palette.GetName(swatchIndex - 1);
if (string.IsNullOrEmpty(name))
{
name = string.Format("Swatch {0}", swatchIndex);
}
#else
name = colour.IsNamedColor ? colour.Name : string.Format("Swatch {0}", swatchIndex);
#endif
this.WriteInt32(stream, name.Length);
this.WriteString(stream, name);
}
}
}
public void Serialize(Stream stream, ColourCollection palette, AdobePhotoshopColourSwatchColourSpace colourSpace)
{
this.Serialize(stream, palette, AdobePhotoshopColourSwatchFileVersion.VERSION2, colourSpace);
}
