/// <summary> Factory method for getting a 32 bit lut from a given curve.</summary>
/// <param name="curve"> the data
/// </param>
/// <param name="dwNumInput">the size of the lut
/// </param>
/// <param name="dwMaxOutput">max output value of the lut
/// </param>
/// <returns> the lookup table
/// </returns>
public static LookUpTable32 createInstance(ICCCurveType curve, int dwNumInput, int dwMaxOutput)
{
if (curve.count == 1)
return new LookUpTable32Gamma(curve, dwNumInput, dwMaxOutput);
else
return new LookUpTable32Interp(curve, dwNumInput, dwMaxOutput);
}
/// <summary> Construct the lut from the curve data</summary>
/// <oaram> curve the data </oaram>
/// <oaram> dwNumInput the lut size </oaram>
public LookUpTableFPInterp(ICCCurveType curve, int dwNumInput) : base(curve, dwNumInput)
{
int dwLowIndex, dwHighIndex; // Indices of interpolation points
double dfLowIndex, dfHighIndex; // FP indices of interpolation points
double dfTargetIndex; // Target index into interpolation table
double dfRatio; // Ratio of LUT input points to curve values
double dfLow, dfHigh; // Interpolation values
dfRatio = (double)(curve.nEntries - 1) / (double)(dwNumInput - 1);
for (int i = 0; i < dwNumInput; i++)
{
dfTargetIndex = (double)i * dfRatio;
dfLowIndex = System.Math.Floor(dfTargetIndex);
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
dwLowIndex = (int)dfLowIndex;
dfHighIndex = System.Math.Ceiling(dfTargetIndex);
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
dwHighIndex = (int)dfHighIndex;
if (dwLowIndex == dwHighIndex)
{
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
lut[i] = (float)ICCCurveType.CurveToDouble(curve.entry(dwLowIndex));
}
else
{
dfLow = ICCCurveType.CurveToDouble(curve.entry(dwLowIndex));
dfHigh = ICCCurveType.CurveToDouble(curve.entry(dwHighIndex));
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
lut[i] = (float)(dfLow + (dfHigh - dfLow) * (dfTargetIndex - dfLowIndex));
}
}
}
/// <summary> Construct the lut from the curve data</summary>
/// <oaram> curve the data </oaram>
/// <oaram> dwNumInput the lut size </oaram>
/// <oaram> dwMaxOutput the lut max value </oaram>
public LookUpTable32Interp(ICCCurveType curve, int dwNumInput, int dwMaxOutput):base(curve, dwNumInput, dwMaxOutput)
{
int dwLowIndex, dwHighIndex; // Indices of interpolation points
double dfLowIndex, dfHighIndex; // FP indices of interpolation points
double dfTargetIndex; // Target index into interpolation table
double dfRatio; // Ratio of LUT input points to curve values
double dfLow, dfHigh; // Interpolation values
double dfOut; // Output LUT value
dfRatio = (double) (curve.count - 1) / (double) (dwNumInput - 1);
for (int i = 0; i < dwNumInput; i++)
{
dfTargetIndex = (double) i * dfRatio;
dfLowIndex = System.Math.Floor(dfTargetIndex);
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
dwLowIndex = (int) dfLowIndex;
dfHighIndex = System.Math.Ceiling(dfTargetIndex);
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
dwHighIndex = (int) dfHighIndex;
if (dwLowIndex == dwHighIndex)
dfOut = ICCCurveType.CurveToDouble(curve.entry(dwLowIndex));
else
{
dfLow = ICCCurveType.CurveToDouble(curve.entry(dwLowIndex));
dfHigh = ICCCurveType.CurveToDouble(curve.entry(dwHighIndex));
dfOut = dfLow + (dfHigh - dfLow) * (dfTargetIndex - dfLowIndex);
}
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
lut[i] = (int) System.Math.Floor(dfOut * dwMaxOutput + 0.5);
}
}
/// <summary> Parse this ICCProfile into a RestrictedICCProfile
/// which is appropriate to the data in this profile.
/// Either a MonochromeInputRestrictedProfile or
/// MatrixBasedRestrictedProfile is returned
/// </summary>
/// <returns> RestrictedICCProfile
/// </returns>
/// <exception cref="ICCProfileInvalidException">no curve data
/// </exception>
public virtual RestrictedICCProfile parse()
{
// The next step is to determine which Restricted ICC type is used by this profile.
// Unfortunately, the only way to do this is to look through the tag table for
// the tags required by the two types.
// First look for the gray TRC tag. If the profile is indeed an input profile, and this
// tag exists, then the profile is a Monochrome Input profile
ICCCurveType grayTag = (ICCCurveType)tags[(System.Int32)kdwGrayTRCTag];
if (grayTag != null)
{
return(RestrictedICCProfile.createInstance(grayTag));
}
// If it wasn't a Monochrome Input profile, look for the Red Colorant tag. If that
// tag is found and the profile is indeed an input profile, then this profile is
// a Three-Component Matrix-Based Input profile
ICCCurveType rTRCTag = (ICCCurveType)tags[(System.Int32)kdwRedTRCTag];
if (rTRCTag != null)
{
ICCCurveType gTRCTag = (ICCCurveType)tags[(System.Int32)kdwGreenTRCTag];
ICCCurveType bTRCTag = (ICCCurveType)tags[(System.Int32)kdwBlueTRCTag];
ICCXYZType rColorantTag = (ICCXYZType)tags[(System.Int32)kdwRedColorantTag];
ICCXYZType gColorantTag = (ICCXYZType)tags[(System.Int32)kdwGreenColorantTag];
ICCXYZType bColorantTag = (ICCXYZType)tags[(System.Int32)kdwBlueColorantTag];
return(RestrictedICCProfile.createInstance(rTRCTag, gTRCTag, bTRCTag, rColorantTag, gColorantTag, bColorantTag));
}
throw new ICCProfileInvalidException("curve data not found in profile");
}
/// <summary> Factory method for getting a lut from a given curve.</summary>
/// <param name="curve"> the data
/// </param>
/// <param name="dwNumInput">the size of the lut
/// </param>
/// <returns> the lookup table
/// </returns>
public static LookUpTableFP createInstance(ICCCurveType curve, int dwNumInput)
{
if (curve.nEntries == 1)
return new LookUpTableFPGamma(curve, dwNumInput);
else
return new LookUpTableFPInterp(curve, dwNumInput);
}
/* Construct the lut
* @param curve data
* @param dwNumInput size of lut
* @param dwMaxOutput max value of lut
*/
public LookUpTable16Gamma(ICCCurveType curve, int dwNumInput, int dwMaxOutput):base(curve, dwNumInput, dwMaxOutput)
{
double dfE = ICCCurveType.CurveGammaToDouble(curve.entry(0)); // Gamma exponent for inverse transformation
for (int i = 0; i < dwNumInput; i++)
{
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
lut[i] = (short) System.Math.Floor(System.Math.Pow((double) i / (dwNumInput - 1), dfE) * dwMaxOutput + 0.5);
}
}
/* Construct the lut
* @param curve data
* @param dwNumInput size of lut
* @param dwMaxOutput max value of lut
*/
public LookUpTable16Gamma(ICCCurveType curve, int dwNumInput, int dwMaxOutput) : base(curve, dwNumInput, dwMaxOutput)
{
double dfE = ICCCurveType.CurveGammaToDouble(curve.entry(0)); // Gamma exponent for inverse transformation
for (int i = 0; i < dwNumInput; i++)
{
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
lut[i] = (short)System.Math.Floor(System.Math.Pow((double)i / (dwNumInput - 1), dfE) * dwMaxOutput + 0.5);
}
}
/// <summary> Factory method for getting a lut from a given curve.</summary>
/// <param name="curve"> the data
/// </param>
/// <param name="dwNumInput">the size of the lut
/// </param>
/// <returns> the lookup table
/// </returns>
public static LookUpTableFP createInstance(ICCCurveType curve, int dwNumInput)
{
if (curve.nEntries == 1)
{
return(new LookUpTableFPGamma(curve, dwNumInput));
}
else
{
return(new LookUpTableFPInterp(curve, dwNumInput));
}
}
/// <summary> Factory method for getting a 32 bit lut from a given curve.</summary>
/// <param name="curve"> the data
/// </param>
/// <param name="dwNumInput">the size of the lut
/// </param>
/// <param name="dwMaxOutput">max output value of the lut
/// </param>
/// <returns> the lookup table
/// </returns>
public static LookUpTable32 createInstance(ICCCurveType curve, int dwNumInput, int dwMaxOutput)
{
if (curve.count == 1)
{
return(new LookUpTable32Gamma(curve, dwNumInput, dwMaxOutput));
}
else
{
return(new LookUpTable32Interp(curve, dwNumInput, dwMaxOutput));
}
}
/// <summary> Construct the common state of all 3 component RestrictedICCProfiles
///
/// </summary>
/// <param name="rcurve">red curve
/// </param>
/// <param name="gcurve">green curve
/// </param>
/// <param name="bcurve">blue curve
/// </param>
/// <param name="rcolorant">red colorant
/// </param>
/// <param name="gcolorant">green colorant
/// </param>
/// <param name="bcolorant">blue colorant
/// </param>
protected internal RestrictedICCProfile(ICCCurveType rcurve, ICCCurveType gcurve, ICCCurveType bcurve, ICCXYZType rcolorant, ICCXYZType gcolorant, ICCXYZType bcolorant)
{
trc = new ICCCurveType[3];
colorant = new ICCXYZType[3];
trc[RED] = rcurve;
trc[GREEN] = gcurve;
trc[BLUE] = bcurve;
colorant[RED] = rcolorant;
colorant[GREEN] = gcolorant;
colorant[BLUE] = bcolorant;
}
/// <summary> Construct a 3 component RestrictedICCProfile</summary>
/// <param name="rcurve">Red TRC curve
/// </param>
/// <param name="gcurve">Green TRC curve
/// </param>
/// <param name="bcurve">Blue TRC curve
/// </param>
/// <param name="rcolorant">Red colorant
/// </param>
/// <param name="gcolorant">Green colorant
/// </param>
/// <param name="bcolorant">Blue colorant
/// </param>
protected internal MatrixBasedRestrictedProfile(ICCCurveType rcurve, ICCCurveType gcurve, ICCCurveType bcurve, ICCXYZType rcolorant, ICCXYZType gcolorant, ICCXYZType bcolorant):base(rcurve, gcurve, bcurve, rcolorant, gcolorant, bcolorant)
{
}
/// <summary> Factory method which returns a 3 component RestrictedICCProfile</summary>
/// <param name="rcurve">Red TRC curve
/// </param>
/// <param name="gcurve">Green TRC curve
/// </param>
/// <param name="bcurve">Blue TRC curve
/// </param>
/// <param name="rcolorant">Red colorant
/// </param>
/// <param name="gcolorant">Green colorant
/// </param>
/// <param name="bcolorant">Blue colorant
/// </param>
/// <returns> the RestrictedICCProfile
/// </returns>
public static new RestrictedICCProfile createInstance(ICCCurveType rcurve, ICCCurveType gcurve, ICCCurveType bcurve, ICCXYZType rcolorant, ICCXYZType gcolorant, ICCXYZType bcolorant)
{
return new MatrixBasedRestrictedProfile(rcurve, gcurve, bcurve, rcolorant, gcolorant, bcolorant);
}
/// <summary> For subclass usage.</summary>
/// <param name="curve">The curve data
/// </param>
/// <param name="dwNumInput">Number of values in created lut
/// </param>
protected internal LookUpTable(ICCCurveType curve, int dwNumInput)
{
this.curve = curve;
this.dwNumInput = dwNumInput;
}
/// <summary> Construct the common state of all gray RestrictedICCProfiles</summary>
/// <param name="gcurve">curve data
/// </param>
protected internal RestrictedICCProfile(ICCCurveType gcurve)
{
trc = new ICCCurveType[1];
colorant = null;
trc[GRAY] = gcurve;
}
/// <summary> Factory method for creating a RestrictedICCProfile from
/// gray curve data.
/// </summary>
/// <param name="gcurve">gray curve
/// </param>
/// <returns> MonochromeInputRestrictedProfile
/// </returns>
public static RestrictedICCProfile createInstance(ICCCurveType gcurve)
{
return(MonochromeInputRestrictedProfile.createInstance(gcurve));
}
/// <summary> Factory method for creating a RestrictedICCProfile from
/// 3 component curve and colorant data.
/// </summary>
/// <param name="rcurve">red curve
/// </param>
/// <param name="gcurve">green curve
/// </param>
/// <param name="bcurve">blue curve
/// </param>
/// <param name="rcolorant">red colorant
/// </param>
/// <param name="gcolorant">green colorant
/// </param>
/// <param name="bcolorant">blue colorant
/// </param>
/// <returns> MatrixBasedRestrictedProfile
/// </returns>
public static RestrictedICCProfile createInstance(ICCCurveType rcurve, ICCCurveType gcurve, ICCCurveType bcurve, ICCXYZType rcolorant, ICCXYZType gcolorant, ICCXYZType bcolorant)
{
return(MatrixBasedRestrictedProfile.createInstance(rcurve, gcurve, bcurve, rcolorant, gcolorant, bcolorant));
}
/// <summary> Construct a 1 component RestrictedICCProfile</summary>
/// <param name="c">Gray TRC curve
/// </param>
private MonochromeInputRestrictedProfile(ICCCurveType c):base(c)
{
}
/// <summary> Construct the common state of all gray RestrictedICCProfiles</summary>
/// <param name="gcurve">curve data
/// </param>
protected internal RestrictedICCProfile(ICCCurveType gcurve)
{
trc = new ICCCurveType[1];
colorant = null;
trc[GRAY] = gcurve;
}
/// <summary> Factory method for creating a RestrictedICCProfile from
/// gray curve data.
/// </summary>
/// <param name="gcurve">gray curve
/// </param>
/// <returns> MonochromeInputRestrictedProfile
/// </returns>
public static RestrictedICCProfile createInstance(ICCCurveType gcurve)
{
return MonochromeInputRestrictedProfile.createInstance(gcurve);
}
/// <summary> Construct a 1 component RestrictedICCProfile</summary>
/// <param name="c">Gray TRC curve
/// </param>
private MonochromeInputRestrictedProfile(ICCCurveType c) : base(c)
{
}
/// <summary> Construct a 3 component RestrictedICCProfile</summary>
/// <param name="rcurve">Red TRC curve
/// </param>
/// <param name="gcurve">Green TRC curve
/// </param>
/// <param name="bcurve">Blue TRC curve
/// </param>
/// <param name="rcolorant">Red colorant
/// </param>
/// <param name="gcolorant">Green colorant
/// </param>
/// <param name="bcolorant">Blue colorant
/// </param>
protected internal MatrixBasedRestrictedProfile(ICCCurveType rcurve, ICCCurveType gcurve, ICCCurveType bcurve, ICCXYZType rcolorant, ICCXYZType gcolorant, ICCXYZType bcolorant) : base(rcurve, gcurve, bcurve, rcolorant, gcolorant, bcolorant)
{
}
/// <summary> Construct a 16 bit lut from a given curve.</summary>
/// <param name="curve">the data
/// </param>
/// <param name="dwNumInput">the size of the lut t lut.
/// </param>
/// <param name="dwMaxOutput">max output value of the lut
/// </param>
protected internal LookUpTable32(ICCCurveType curve, int dwNumInput, int dwMaxOutput):base(curve, dwNumInput)
{
this.dwMaxOutput = dwMaxOutput;
lut = new int[dwNumInput];
}
/// <summary> Construct an empty lut</summary>
/// <param name="dwNumInput">the size of the lut t lut.
/// </param>
/// <param name="dwMaxOutput">max output value of the lut
/// </param>
protected internal LookUpTableFP(ICCCurveType curve, int dwNumInput) : base(curve, dwNumInput)
{
lut = new float[dwNumInput];
}
/// <summary> For subclass usage.</summary>
/// <param name="curve">The curve data
/// </param>
/// <param name="dwNumInput">Number of values in created lut
/// </param>
protected internal LookUpTable(ICCCurveType curve, int dwNumInput)
{
this.curve = curve;
this.dwNumInput = dwNumInput;
}
/// <summary> Construct a 16 bit lut from a given curve.</summary>
/// <param name="curve">the data
/// </param>
/// <param name="dwNumInput">the size of the lut t lut.
/// </param>
/// <param name="dwMaxOutput">max output value of the lut
/// </param>
protected internal LookUpTable32(ICCCurveType curve, int dwNumInput, int dwMaxOutput) : base(curve, dwNumInput)
{
this.dwMaxOutput = dwMaxOutput;
lut = new int[dwNumInput];
}
/// <summary> Construct an empty lut</summary>
/// <param name="dwNumInput">the size of the lut t lut.
/// </param>
/// <param name="dwMaxOutput">max output value of the lut
/// </param>
protected internal LookUpTableFP(ICCCurveType curve, int dwNumInput):base(curve, dwNumInput)
{
lut = new float[dwNumInput];
}
/// <summary> Factory method which returns a 1 component RestrictedICCProfile</summary>
/// <param name="c">Gray TRC curve
/// </param>
/// <returns> the RestrictedICCProfile
/// </returns>
public static new RestrictedICCProfile createInstance(ICCCurveType c)
{
return new MonochromeInputRestrictedProfile(c);
}
/// <summary> Construct the common state of all 3 component RestrictedICCProfiles
///
/// </summary>
/// <param name="rcurve">red curve
/// </param>
/// <param name="gcurve">green curve
/// </param>
/// <param name="bcurve">blue curve
/// </param>
/// <param name="rcolorant">red colorant
/// </param>
/// <param name="gcolorant">green colorant
/// </param>
/// <param name="bcolorant">blue colorant
/// </param>
protected internal RestrictedICCProfile(ICCCurveType rcurve, ICCCurveType gcurve, ICCCurveType bcurve, ICCXYZType rcolorant, ICCXYZType gcolorant, ICCXYZType bcolorant)
{
trc = new ICCCurveType[3];
colorant = new ICCXYZType[3];
trc[RED] = rcurve;
trc[GREEN] = gcurve;
trc[BLUE] = bcurve;
colorant[RED] = rcolorant;
colorant[GREEN] = gcolorant;
colorant[BLUE] = bcolorant;
}
/// <summary> Factory method which returns a 1 component RestrictedICCProfile</summary>
/// <param name="c">Gray TRC curve
/// </param>
/// <returns> the RestrictedICCProfile
/// </returns>
public static new RestrictedICCProfile createInstance(ICCCurveType c)
{
return(new MonochromeInputRestrictedProfile(c));
}
