public void TestTempTable1000()
{
ColorCIExyY wp = WhitePointFromTemperature(1000);
Assert.AreEqual(0.652756059, wp.x);
Assert.AreEqual(0.344456906, wp.y);
}
public static Profile CreateAbstract(int nLUTPoints,
double Exposure,
double Bright,
double Contrast,
double Hue,
double Saturation,
GammaTable [] tables,
ColorCIExyY src_wp,
ColorCIExyY dest_wp)
{
if (tables == null)
{
GammaTable gamma = new GammaTable(1024, Math.Pow(10, -Bright / 100));
GammaTable line = new GammaTable(1024, 1.0);
tables = new GammaTable [] { gamma, line, line };
}
/*
* System.Console.WriteLine ("e {0}", Exposure);
* System.Console.WriteLine ("b {0}", Bright);
* System.Console.WriteLine ("c {0}", Contrast);
* System.Console.WriteLine ("h {0}", Hue);
* System.Console.WriteLine ("s {0} {1} {2}", Saturation, src_wp, dest_wp);
*/
return(new Profile(NativeMethods.FCmsCreateBCHSWabstractProfile(nLUTPoints,
Exposure,
0.0, //Bright,
Contrast,
Hue,
Saturation,
ref src_wp,
ref dest_wp,
CopyHandles(tables))));
}
public void TestTempTable10000()
{
ColorCIExyY wp = WhitePointFromTemperature(10000);
Assert.AreEqual(0.280635904, wp.x);
Assert.AreEqual(0.288290916, wp.y);
}
public static ColorCIExyY WhitePointFromTemperatureResource(int temp, string name)
{
ColorCIExyY wp;
//const int line_size = 0x1e;
using (Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(name)) {
StreamReader reader = new StreamReader(stream, System.Text.Encoding.ASCII);
string line = null;
for (int i = 0; i <= temp - 1000; i++)
{
line = reader.ReadLine();
}
//System.Console.WriteLine (line);
string [] subs = line.Split('\t');
int ptemp = int.Parse(subs [0]);
if (ptemp != temp)
{
throw new CmsException(String.Format("{0} != {1}", ptemp, temp));
}
double x = double.Parse(subs [1]);
double y = double.Parse(subs [2]);
wp = new ColorCIExyY(x, y, 1.0);
return(wp);
}
}
public static Profile CreateGray (ColorCIExyY white_point, GammaTable transfer)
{
if (transfer == null)
return new Profile (NativeMethods.CmsCreateGrayProfile (ref white_point, new GammaTable (4096, 2.2).Handle));
else
return new Profile (NativeMethods.CmsCreateGrayProfile (ref white_point, transfer.Handle));
}
public static extern IntPtr FCmsCreateBCHSWabstractProfile(int nLUTPoints,
double Exposure,
double Bright,
double Contrast,
double Hue,
double Saturation,
ref ColorCIExyY src_wp,
ref ColorCIExyY dest_wp,
HandleRef [] tables);
public static Profile CreateGray(ColorCIExyY white_point, GammaTable transfer)
{
if (transfer == null)
{
return(new Profile(NativeMethods.CmsCreateGrayProfile(ref white_point, new GammaTable(4096, 2.2).Handle)));
}
else
{
return(new Profile(NativeMethods.CmsCreateGrayProfile(ref white_point, transfer.Handle)));
}
}
public static Profile CreateAlternateRgb ()
{
// FIXME I'm basing this off the values set in the camera
// exif data when the adobe profile is selected. They could
// easily be off
ColorCIExyY wp = new ColorCIExyY (.3127, .329, 1.0);
ColorCIExyYTriple primaries = new ColorCIExyYTriple (
new ColorCIExyY (.64, .33, 1.0),
new ColorCIExyY (.21, .71, 1.0),
new ColorCIExyY (.15, .06, 1.0));
GammaTable g = new GammaTable (4096, 2.2);
GammaTable [] gamma = new GammaTable [] { g, g, g, g};
return new Profile (wp, primaries, gamma);
}
public static Profile CreateAlternateRgb()
{
// FIXME I'm basing this off the values set in the camera
// exif data when the adobe profile is selected. They could
// easily be off
ColorCIExyY wp = new ColorCIExyY(.3127, .329, 1.0);
ColorCIExyYTriple primaries = new ColorCIExyYTriple(
new ColorCIExyY(.64, .33, 1.0),
new ColorCIExyY(.21, .71, 1.0),
new ColorCIExyY(.15, .06, 1.0));
GammaTable g = new GammaTable(4096, 2.2);
GammaTable [] gamma = new GammaTable [] { g, g, g, g };
return(new Profile(wp, primaries, gamma));
}
public static Profile CreateAbstract(int nLUTPoints,
double Exposure,
double Bright,
double Contrast,
double Hue,
double Saturation,
int TempSrc,
int TempDest)
{
#if true
GammaTable gamma = new GammaTable(1024, Math.Pow(10, -Bright / 100));
GammaTable line = new GammaTable(1024, 1.0);
GammaTable [] tables = new GammaTable [] { gamma, line, line };
return(CreateAbstract(nLUTPoints, Exposure, 0.0, Contrast, Hue, Saturation, tables,
ColorCIExyY.WhitePointFromTemperature(TempSrc),
ColorCIExyY.WhitePointFromTemperature(TempDest)));
#else
GammaTable [] tables = null;
return(CreateAbstract(nLUTPoints, Exposure, Bright, Contrast, Hue, Saturation, tables,
ColorCIExyY.WhitePointFromTemperature(TempSrc),
ColorCIExyY.WhitePointFromTemperature(TempDest)));
#endif
}
public static ColorCIExyY WhitePointFromTemperatureResource (int temp, string name)
{
ColorCIExyY wp;
//const int line_size = 0x1e;
using (Stream stream = Assembly.GetExecutingAssembly ().GetManifestResourceStream (name)) {
StreamReader reader = new StreamReader (stream, System.Text.Encoding.ASCII);
string line = null;
for (int i = 0; i <= temp - 1000; i++) {
line = reader.ReadLine ();
}
//System.Console.WriteLine (line);
string [] subs = line.Split ('\t');
int ptemp = int.Parse (subs [0]);
if (ptemp != temp)
throw new System.Exception (String.Format ("{0} != {1}", ptemp, temp));
double x = double.Parse (subs [1]);
double y = double.Parse (subs [2]);
wp = new ColorCIExyY (x, y, 1.0);
return wp;
}
}
static extern IntPtr cmsCreateLabProfile (out ColorCIExyY WhitePoint);
public ColorCIELab ToLab (ColorCIExyY wp)
{
return ToLab (wp.ToXYZ ());
}
public ColorCIExyYTriple (ColorCIExyY red, ColorCIExyY green, ColorCIExyY blue)
{
Red = red;
Green = green;
Blue = blue;
}
public static Profile CreateLab(ColorCIExyY wp)
{
return(new Profile(cmsCreateLabProfile(out wp)));
}
public static Profile CreateGray(ColorCIExyY whitePoint, ToneCurve transfer)
{
if (transfer == null)
return new Profile (NativeMethods.CmsCreateGrayProfile (ref whitePoint, new ToneCurve (2.2).Handle));
else
return new Profile (NativeMethods.CmsCreateGrayProfile (ref whitePoint, transfer.Handle));
}
static extern bool cmsWhitePointFromTemp(int TempSrc, out ColorCIExyY white_point);
public static extern IntPtr CmsCreateLabProfile(out ColorCIExyY WhitePoint);
public static Profile CreateLab (ColorCIExyY wp)
{
return new Profile (cmsCreateLabProfile (out wp));
}
static extern IntPtr f_cmsCreateBCHSWabstractProfile(int nLUTPoints, double Exposure, double Bright, double Contrast, double Hue, double Saturation, ref ColorCIExyY src_wp, ref ColorCIExyY dest_wp, HandleRef [] tables);
public ColorCIELab ToLab(ColorCIExyY wp)
{
return(this.ToXYZ().ToLab(wp));
}
public static Profile CreateLab(ColorCIExyY wp)
{
return(new Profile(NativeMethods.CmsCreateLabProfile(out wp)));
}
public override Cms.Profile GetProfile()
{
ColorChunk color = null;
IccpChunk icc = null;
GammaChunk gamma = null;
StandardRgbChunk srgb = null;
double gamma_value = 2.2;
ColorCIExyY red = new ColorCIExyY (0.64, 0.33, 1.0);
ColorCIExyY green = new ColorCIExyY (0.3, 0.6, 1.0);
ColorCIExyY blue = new ColorCIExyY (0.15, 0.06, 1.0);
ColorCIExyY whitepoint = new ColorCIExyY (0.3127, 0.329, 1.0);
ColorCIExyYTriple chroma = new ColorCIExyYTriple (red, green, blue);
//System.Console.WriteLine ("Trying to get profile");
foreach (Chunk chunk in Chunks) {
if (color == null)
color = chunk as ColorChunk;
if (icc == null)
icc = chunk as IccpChunk;
if (srgb == null)
srgb = chunk as StandardRgbChunk;
if (gamma == null)
gamma = chunk as GammaChunk;
}
//System.Console.WriteLine ("color: {0} icc: {1} srgb: {2} gamma: {3}", color, icc, srgb, gamma);
if (icc != null) {
try {
return new Profile (icc.Profile);
} catch (System.Exception ex) {
System.Console.WriteLine ("Error trying to decode embedded profile" + ex.ToString ());
}
}
if (srgb != null)
return Profile.CreateStandardRgb ();
if (gamma != null)
gamma_value = 1 / gamma.Gamma;
if (color != null) {
whitepoint = new ColorCIExyY (color.WhiteX.Value, color.WhiteY.Value, 1.0);
red = new ColorCIExyY (color.RedX.Value, color.RedY.Value, 1.0);
green = new ColorCIExyY (color.GreenX.Value, color.GreenY.Value, 1.0);
blue = new ColorCIExyY (color.BlueX.Value, color.BlueY.Value, 1.0);
chroma = new ColorCIExyYTriple (red, green, blue);
}
if (color != null || gamma != null) {
GammaTable table = new GammaTable (1024, gamma_value);
return new Profile (whitepoint, chroma, new GammaTable [] {table, table, table});
}
return null;
}
public Profile(ColorCIExyY whitepoint, ColorCIExyYTriple primaries, GammaTable [] gamma)
{
handle = new HandleRef(this, NativeMethods.CmsCreateRGBProfile(out whitepoint, out primaries, CopyHandles(gamma)));
}
public ColorCIExyYTriple(ColorCIExyY red, ColorCIExyY green, ColorCIExyY blue)
{
Red = red;
Green = green;
Blue = blue;
}
static extern IntPtr cmsCreateGrayProfile (ref ColorCIExyY white_point, HandleRef transfer_function);
public static extern void CmsxyY2XYZ(out ColorCIEXYZ dest, ref ColorCIExyY src);
static extern IntPtr cmsCreateRGBProfile (out ColorCIExyY whitepoint, out ColorCIExyYTriple primaries, HandleRef [] gamma_table);
public static extern IntPtr CmsCreateGrayProfile(ref ColorCIExyY white_point,
HandleRef transfer_function);
public ColorCIELab ToLab(ColorCIExyY wp)
{
return(ToLab(wp.ToXYZ()));
}
public static Profile CreateLab(ColorCIExyY wp)
{
return new Profile (NativeMethods.CmsCreateLabProfile (out wp));
}
public static extern IntPtr CmsCreateRGBProfile(out ColorCIExyY whitepoint,
out ColorCIExyYTriple primaries,
HandleRef [] gamma_table);
static extern void cmsXYZ2xyY (out ColorCIExyY dest, ref ColorCIEXYZ source);
public static extern bool CmsWhitePointFromTemp(int TempSrc, out ColorCIExyY white_point);
public static Profile CreateAlternateRgb()
{
// FIXME I'm basing this off the values set in the camera
// exif data when the adobe profile is selected. They could
// easily be off
ColorCIExyY wp = new ColorCIExyY (.3127, .329, 1.0);
ColorCIExyYTriple primaries = new ColorCIExyYTriple (
new ColorCIExyY (.64, .33, 1.0),
new ColorCIExyY (.21, .71, 1.0),
new ColorCIExyY (.15, .06, 1.0));
ToneCurve tc = new ToneCurve (2.2);
ToneCurve [] tcs = new ToneCurve [] { tc, tc, tc, tc};
return new Profile (wp, primaries, tcs);
}
public static extern void CmsXYZ2xyY(out ColorCIExyY dest, ref ColorCIEXYZ source);
static extern void cmsxyY2XYZ (out ColorCIEXYZ dest, ref ColorCIExyY src);
public static Profile CreateAbstract(int nLUTPoints,
double Exposure,
double Bright,
double Contrast,
double Hue,
double Saturation,
GammaTable [] tables,
ColorCIExyY srcWp,
ColorCIExyY destWp)
{
if (tables == null) {
GammaTable gamma = new GammaTable (1024, Math.Pow (10, -Bright/100));
GammaTable line = new GammaTable (1024, 1.0);
tables = new GammaTable [] { gamma, line, line };
}
/*
System.Console.WriteLine ("e {0}", Exposure);
System.Console.WriteLine ("b {0}", Bright);
System.Console.WriteLine ("c {0}", Contrast);
System.Console.WriteLine ("h {0}", Hue);
System.Console.WriteLine ("s {0} {1} {2}", Saturation, srcWp, destWp);
*/
return new Profile (NativeMethods.FCmsCreateBCHSWabstractProfile (nLUTPoints,
Exposure,
0.0, //Bright,
Contrast,
Hue,
Saturation,
ref srcWp,
ref destWp,
CopyHandles (tables)));
}
public ColorCIELab ToLab (ColorCIExyY wp)
{
return this.ToXYZ ().ToLab (wp);
}
public Profile(ColorCIExyY whitepoint, ColorCIExyYTriple primaries, GammaTable [] gamma)
{
handle = new HandleRef (this, NativeMethods.CmsCreateRGBProfile (out whitepoint, out primaries, CopyHandles (gamma)));
}
public static extern IntPtr CmsCreateRGBProfile(out ColorCIExyY whitepoint, out ColorCIExyYTriple primaries, HandleRef [] transfer_function);