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SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object | +--com.keypoint.PngEncoder
Field Summary | |
static boolean |
ENCODE_ALPHA
Constant specifying that alpha channel should be encoded. |
static int |
FILTER_LAST
|
static int |
FILTER_NONE
Constants for filters |
static int |
FILTER_SUB
|
static int |
FILTER_UP
|
static boolean |
NO_ALPHA
Constant specifying that alpha channel should not be encoded. |
Constructor Summary | |
PngEncoder()
Class constructor |
|
PngEncoder(java.awt.Image image)
Class constructor specifying Image to encode, with no alpha channel encoding. |
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PngEncoder(java.awt.Image image,
boolean encodeAlpha)
Class constructor specifying Image to encode, and whether to encode alpha. |
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PngEncoder(java.awt.Image image,
boolean encodeAlpha,
int whichFilter)
Class constructor specifying Image to encode, whether to encode alpha, and filter to use. |
|
PngEncoder(java.awt.Image image,
boolean encodeAlpha,
int whichFilter,
int compLevel)
Class constructor specifying Image source to encode, whether to encode alpha, filter to use, and compression level. |
Method Summary | |
int |
getCompressionLevel()
Retrieve compression level |
boolean |
getEncodeAlpha()
Retrieve alpha encoding status. |
int |
getFilter()
Retrieve filtering scheme |
byte[] |
pngEncode()
Creates an array of bytes that is the PNG equivalent of the current image. |
byte[] |
pngEncode(boolean encodeAlpha)
Creates an array of bytes that is the PNG equivalent of the current image, specifying whether to encode alpha or not. |
void |
setCompressionLevel(int level)
Set the compression level to use |
void |
setEncodeAlpha(boolean encodeAlpha)
Set the alpha encoding on or off. |
void |
setFilter(int whichFilter)
Set the filter to use |
void |
setImage(java.awt.Image image)
Set the image to be encoded |
Methods inherited from class java.lang.Object |
equals,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
Field Detail |
public static final boolean ENCODE_ALPHA
public static final boolean NO_ALPHA
public static final int FILTER_NONE
public static final int FILTER_SUB
public static final int FILTER_UP
public static final int FILTER_LAST
Constructor Detail |
public PngEncoder()
public PngEncoder(java.awt.Image image)
image
- A Java Image object which uses the DirectColorModelImage
public PngEncoder(java.awt.Image image, boolean encodeAlpha)
image
- A Java Image object which uses the DirectColorModelencodeAlpha
- Encode the alpha channel? false=no; true=yesImage
public PngEncoder(java.awt.Image image, boolean encodeAlpha, int whichFilter)
image
- A Java Image object which uses the DirectColorModelencodeAlpha
- Encode the alpha channel? false=no; true=yeswhichFilter
- 0=none, 1=sub, 2=upImage
public PngEncoder(java.awt.Image image, boolean encodeAlpha, int whichFilter, int compLevel)
image
- A Java Image objectencodeAlpha
- Encode the alpha channel? false=no; true=yeswhichFilter
- 0=none, 1=sub, 2=upcompLevel
- 0..9Image
Method Detail |
public void setImage(java.awt.Image image)
image
- A Java Image object which uses the DirectColorModelImage
,
java.awt.image.DirectColorModel
public byte[] pngEncode(boolean encodeAlpha)
encodeAlpha
- boolean false=no alpha, true=encode alphapublic byte[] pngEncode()
public void setEncodeAlpha(boolean encodeAlpha)
encodeAlpha
- false=no, true=yespublic boolean getEncodeAlpha()
public void setFilter(int whichFilter)
whichFilter
- from constant listpublic int getFilter()
public void setCompressionLevel(int level)
level
- 0 through 9public int getCompressionLevel()
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