/// <summary> Get the ICCProfile information JP2 ColorSpace</summary>
/// <param name="csm">provides all necessary info about the colorspace
/// </param>
/// <returns> ICCMatrixBasedInputProfile for 3 component input and
/// ICCMonochromeInputProfile for a 1 component source. Returns
/// null if exceptions were encountered.
/// </returns>
/// <exception cref="ColorSpaceException">
/// </exception>
/// <exception cref="ICCProfileException">
/// </exception>
/// <exception cref="IllegalArgumentException">
/// </exception>
private RestrictedICCProfile getICCProfile(CSJ2K.Color.ColorSpace csm)
{
switch (ncomps)
{
case 1:
icc = ICCMonochromeInputProfile.createInstance(csm);
ricc = icc.parse();
if (ricc.Type != RestrictedICCProfile.kMonochromeInput)
{
throw new System.ArgumentException("wrong ICCProfile type" + " for image");
}
break;
case 3:
icc = ICCMatrixBasedInputProfile.createInstance(csm);
ricc = icc.parse();
if (ricc.Type != RestrictedICCProfile.kThreeCompInput)
{
throw new System.ArgumentException("wrong ICCProfile type" + " for image");
}
break;
default:
throw new System.ArgumentException("illegal number of " + "components (" + ncomps + ") in image");
}
return(ricc);
}
/// <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> Ctor which creates an ICCProfile for the image and initializes
/// all data objects (input, working, output).
///
/// </summary>
/// <param name="src">-- Source of image data
/// </param>
/// <param name="csm">-- provides colorspace info
///
/// </param>
/// <exception cref="IOException">
/// </exception>
/// <exception cref="ICCProfileException">
/// </exception>
/// <exception cref="IllegalArgumentException">
/// </exception>
protected internal ICCProfiler(BlkImgDataSrc src, CSJ2K.Color.ColorSpace csMap) : base(src, csMap)
{
initialize();
iccp = getICCProfile(csMap);
if (ncomps == 1)
{
xform = new MonochromeTransformTosRGB(iccp, maxValueArray[0], shiftValueArray[0]);
}
else
{
xform = new MatrixBasedTransformTosRGB(iccp, maxValueArray, shiftValueArray);
}
/* end ICCProfiler ctor */
}
/// <summary> Ctor which creates an ICCProfile for the image and initializes
/// all data objects (input, working, output).
///
/// </summary>
/// <param name="src">-- Source of image data
/// </param>
/// <param name="csm">-- provides colorspace info
///
/// </param>
/// <exception cref="IOException">
/// </exception>
/// <exception cref="ICCProfileException">
/// </exception>
/// <exception cref="IllegalArgumentException">
/// </exception>
protected internal ICCProfiler(BlkImgDataSrc src, CSJ2K.Color.ColorSpace csMap):base(src, csMap)
{
initialize();
iccp = getICCProfile(csMap);
if (ncomps == 1)
{
xform = new MonochromeTransformTosRGB(iccp, maxValueArray[0], shiftValueArray[0]);
}
else
{
xform = new MatrixBasedTransformTosRGB(iccp, maxValueArray, shiftValueArray);
}
/* end ICCProfiler ctor */
}
/// <summary> Get the ICCProfile information JP2 ColorSpace</summary>
/// <param name="csm">provides all necessary info about the colorspace
/// </param>
/// <returns> ICCMatrixBasedInputProfile for 3 component input and
/// ICCMonochromeInputProfile for a 1 component source. Returns
/// null if exceptions were encountered.
/// </returns>
/// <exception cref="ColorSpaceException">
/// </exception>
/// <exception cref="ICCProfileException">
/// </exception>
/// <exception cref="IllegalArgumentException">
/// </exception>
private RestrictedICCProfile getICCProfile(CSJ2K.Color.ColorSpace csm)
{
switch (ncomps)
{
case 1:
icc = ICCMonochromeInputProfile.createInstance(csm);
ricc = icc.parse();
if (ricc.Type != RestrictedICCProfile.kMonochromeInput)
throw new System.ArgumentException("wrong ICCProfile type" + " for image");
break;
case 3:
icc = ICCMatrixBasedInputProfile.createInstance(csm);
ricc = icc.parse();
if (ricc.Type != RestrictedICCProfile.kThreeCompInput)
throw new System.ArgumentException("wrong ICCProfile type" + " for image");
break;
default:
throw new System.ArgumentException("illegal number of " + "components (" + ncomps + ") in image");
}
return ricc;
}
