Package com.sun.pdfview.colorspace

Class CalGrayColor

  • All Implemented Interfaces:
    java.io.Serializable
    public class CalGrayColor
extends java.awt.color.ColorSpace
    A ColorSpace for calibrated gray
    See Also:
    Serialized Form

    • Field Summary

      Fields 
      Modifier and Type Field Description
      (package private) float[] black  
      (package private) static java.awt.color.ColorSpace cie  
      (package private) float gamma  
      (package private) float[] white  

      • Fields inherited from class java.awt.color.ColorSpace

        CS_CIEXYZ, CS_GRAY, CS_LINEAR_RGB, CS_PYCC, CS_sRGB, TYPE_2CLR, TYPE_3CLR, TYPE_4CLR, TYPE_5CLR, TYPE_6CLR, TYPE_7CLR, TYPE_8CLR, TYPE_9CLR, TYPE_ACLR, TYPE_BCLR, TYPE_CCLR, TYPE_CMY, TYPE_CMYK, TYPE_DCLR, TYPE_ECLR, TYPE_FCLR, TYPE_GRAY, TYPE_HLS, TYPE_HSV, TYPE_Lab, TYPE_Luv, TYPE_RGB, TYPE_XYZ, TYPE_YCbCr, TYPE_Yxy

    • Constructor Summary

      Constructors 
      Constructor Description
      CalGrayColor()
      Create a new calibrated gray color space object, with the default values for black point, white point and gamma
      CalGrayColor​(PDFObject obj)
      Create a new Calibrated Gray color space object, given the description in a PDF dictionary.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      float[] fromCIEXYZ​(float[] colorvalue)
      convert from CIEXYZ to Calibrated Gray.
      float[] fromRGB​(float[] rgbvalue)
      convert from RGB to Calibrated Gray.
      int getNumComponents()
      get the number of components (1).
      int getType()
      get the type of this ColorSpace (TYPE_GRAY)
      float[] toCIEXYZ​(float[] colorvalue)
      convert from Calibrated Gray to CIEXYZ.
      float[] toRGB​(float[] comp)
      convert from Calibrated Gray to RGB.

      • Methods inherited from class java.awt.color.ColorSpace

        getInstance, getMaxValue, getMinValue, getName, isCS_sRGB

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • white

        float[] white

      • black

        float[] black

      • gamma

        float gamma

      • cie

        static java.awt.color.ColorSpace cie

    • Constructor Detail

      • CalGrayColor

        public CalGrayColor​(PDFObject obj)
             throws java.io.IOException
        Create a new Calibrated Gray color space object, given the description in a PDF dictionary.
        Parameters:
        obj - a dictionary that contains an Array of 3 Numbers for "WhitePoint" and "BlackPoint", and a Number for "Gamma"
        Throws:
        java.io.IOException

      • CalGrayColor

        public CalGrayColor()
        Create a new calibrated gray color space object, with the default values for black point, white point and gamma

    • Method Detail

      • getNumComponents

        public int getNumComponents()
        get the number of components (1).
        Overrides:
        getNumComponents in class java.awt.color.ColorSpace

      • toRGB

        public float[] toRGB​(float[] comp)
        convert from Calibrated Gray to RGB.
        Specified by:
        toRGB in class java.awt.color.ColorSpace
        Parameters:
        comp - the gray value (0-1)
        Returns:
        the RGB values (0-1)

      • fromRGB

        public float[] fromRGB​(float[] rgbvalue)
        convert from RGB to Calibrated Gray. NOT IMPLEMENTED
        Specified by:
        fromRGB in class java.awt.color.ColorSpace

      • fromCIEXYZ

        public float[] fromCIEXYZ​(float[] colorvalue)
        convert from CIEXYZ to Calibrated Gray. NOT IMPLEMENTED
        Specified by:
        fromCIEXYZ in class java.awt.color.ColorSpace

      • getType

        public int getType()
        get the type of this ColorSpace (TYPE_GRAY)
        Overrides:
        getType in class java.awt.color.ColorSpace

      • toCIEXYZ

        public float[] toCIEXYZ​(float[] colorvalue)
        convert from Calibrated Gray to CIEXYZ. NOT IMPLEMENTED
        Specified by:
        toCIEXYZ in class java.awt.color.ColorSpace