Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> jempeg >> empeg >> [ logoedit overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

---

org.jempeg.empeg.logoedit
Class LogoFormatUtils  

java.lang.Object
  org.jempeg.empeg.logoedit.LogoFormatUtils

---

public class LogoFormatUtils

extends java.lang.Object

A set of utilities for manipulating Empeg Logo Format data.

---

Field Summary
static int	DEFAULT_CUTOFF_0
static int	DEFAULT_CUTOFF_1
static int	DEFAULT_CUTOFF_2
static int[]	DEFAULT_CUTOFFS
static int	DEFAULT_GRAY_VALUE_0
static int	DEFAULT_GRAY_VALUE_1
static int	DEFAULT_GRAY_VALUE_2
static int	DEFAULT_GRAY_VALUE_3
static int[]	DEFAULT_GRAY_VALUES
static int	DEFAULT_HEIGHT
static int	DEFAULT_WIDTH

 

Constructor Summary

LogoFormatUtils()

 

Method Summary
static int	from4bpp(byte[] _empegData, int _pixel)           Converts a logo 4bpp pixel to an index in the color array.
static int	from4bpp(byte[] _empegData, int _x, int _y)           Converts a logo 4bpp pixel to an index in the color array.
static void	fromLogo(java.io.OutputStream _os, Logo _logo, int[] _cutoffs)           Creates a byte array in the format that the Empeg expects for home and car logos.
static java.awt.Image	fromLogoFormat(byte[] _logoData, int _width, int _height, int[] _grayValues)           Creates a java.awt.Image from the given Empeg logo data.
static byte	to4bpp(int _grayValue, int[] _cutoffs)           Converts the given gray value to an Empeg color index based on the given set of cutoffs.
static Logo	toLogo(java.io.InputStream _is, int[] _grayValues)           Creates a Logo from a byte array.
static byte[]	toLogoFormat(byte[] _logoGrayValues, int _width, int _height)           Converts a byte array of values {0, 1, 2, 3} that correspond to the four valid Empeg gray values.
static byte[]	toLogoFormat(java.awt.Image _image, int _width, int _height, int[] _cutoffs)           Converts a java.awt.Image to an Empeg logo format byte array.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

DEFAULT_WIDTH

public static final int DEFAULT_WIDTH

See Also:

Constant Field Values

---

DEFAULT_HEIGHT

public static final int DEFAULT_HEIGHT

See Also:

Constant Field Values

---

DEFAULT_GRAY_VALUE_0

public static final int DEFAULT_GRAY_VALUE_0

See Also:

Constant Field Values

---

DEFAULT_GRAY_VALUE_1

public static final int DEFAULT_GRAY_VALUE_1

See Also:

Constant Field Values

---

DEFAULT_GRAY_VALUE_2

public static final int DEFAULT_GRAY_VALUE_2

See Also:

Constant Field Values

---

DEFAULT_GRAY_VALUE_3

public static final int DEFAULT_GRAY_VALUE_3

See Also:

Constant Field Values

---

DEFAULT_CUTOFF_0

public static final int DEFAULT_CUTOFF_0

See Also:

Constant Field Values

---

DEFAULT_CUTOFF_1

public static final int DEFAULT_CUTOFF_1

See Also:

Constant Field Values

---

DEFAULT_CUTOFF_2

public static final int DEFAULT_CUTOFF_2

See Also:

Constant Field Values

---

DEFAULT_GRAY_VALUES

public static final int[] DEFAULT_GRAY_VALUES

---

DEFAULT_CUTOFFS

public static final int[] DEFAULT_CUTOFFS

Constructor Detail

LogoFormatUtils

public LogoFormatUtils()

Method Detail

fromLogo

public static void fromLogo(java.io.OutputStream _os,
                            Logo _logo,
                            int[] _cutoffs)
                     throws java.io.IOException

Creates a byte array in the format that the Empeg expects for home and car logos.

---

toLogo

public static Logo toLogo(java.io.InputStream _is,
                          int[] _grayValues)
                   throws java.io.IOException

Creates a Logo from a byte array.

---

toLogoFormat

public static byte[] toLogoFormat(java.awt.Image _image,
                                  int _width,
                                  int _height,
                                  int[] _cutoffs)

Converts a java.awt.Image to an Empeg logo format byte array.

---

to4bpp

public static byte to4bpp(int _grayValue,
                          int[] _cutoffs)

Converts the given gray value to an Empeg color index based on the given set of cutoffs.

---

from4bpp

public static int from4bpp(byte[] _empegData,
                           int _x,
                           int _y)

Converts a logo 4bpp pixel to an index in the color array.

---

from4bpp

public static int from4bpp(byte[] _empegData,
                           int _pixel)

Converts a logo 4bpp pixel to an index in the color array.

---

fromLogoFormat

public static java.awt.Image fromLogoFormat(byte[] _logoData,
                                            int _width,
                                            int _height,
                                            int[] _grayValues)

Creates a java.awt.Image from the given Empeg logo data.

---

toLogoFormat

public static byte[] toLogoFormat(byte[] _logoGrayValues,
                                  int _width,
                                  int _height)

Converts a byte array of values {0, 1, 2, 3} that correspond to the four valid Empeg gray values.

---

Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> jempeg >> empeg >> [ logoedit overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

---