Package org.apache.fop.render.rtf.rtflib.tools

Class ImageUtil

java.lang.Object
org.apache.fop.render.rtf.rtflib.tools.ImageUtil
public final class ImageUtil extends Object
Misc.utilities for images handling This class belongs to the fo:external-graphic tag processing. This work was originally authored by Andreas Putz

  • Method Summary

    Modifier and Type
    Method
    Description
    static boolean
    compareHexValues(byte[] pattern, byte[] data, int searchAt, boolean searchForward)
    Compares two hexadecimal values.
    static int
    getInt(String value)
    Determines the digits from a string.
    static int
    getIntFromByteArray(byte[] data, int startAt, int length, boolean searchForward)
    Determines a integer value from a hexadecimal byte array.
    static boolean
    isPercent(String value)
    Checks the string for percent character at the end of string.

    Methods inherited from class java.lang.Object

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

  • Method Details

    • getInt

      public static int getInt(String value)
      Determines the digits from a string.
      Parameters:
      value - String with digits
      Returns:
      -1 There is no digit number The digits as integer

    • isPercent

      public static boolean isPercent(String value)
      Checks the string for percent character at the end of string.
      Parameters:
      value - String with digits
      Returns:
      true The string contains a % value false Other string

    • compareHexValues

      public static boolean compareHexValues(byte[] pattern, byte[] data, int searchAt, boolean searchForward)
      Compares two hexadecimal values.
      Parameters:
      pattern - Target
      data - Data
      searchAt - Position to start compare
      searchForward - Direction to compare byte arrays
      Returns:
      true If equal false If different

    • getIntFromByteArray

      public static int getIntFromByteArray(byte[] data, int startAt, int length, boolean searchForward)
      Determines a integer value from a hexadecimal byte array.
      Parameters:
      data - Image
      startAt - Start index to read from
      length - Number of data elements to read
      searchForward - True if searching forward, False if not (??)
      Returns:
      integer