Class PngConstants
- java.lang.Object
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- org.apache.commons.imaging.formats.png.PngConstants
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public final class PngConstants extends java.lang.Object
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Field Summary
Fields Modifier and Type Field Description static int
COMPRESSION_DEFLATE_INFLATE
static byte
COMPRESSION_TYPE_INFLATE_DEFLATE
static byte
FILTER_METHOD_ADAPTIVE
static java.lang.String
PARAM_KEY_PHYSICAL_SCALE
Parameter key.static java.lang.String
PARAM_KEY_PNG_BIT_DEPTH
static java.lang.String
PARAM_KEY_PNG_COMPRESSION_LEVEL
Parameter key.static java.lang.String
PARAM_KEY_PNG_FORCE_INDEXED_COLOR
static java.lang.String
PARAM_KEY_PNG_FORCE_TRUE_COLOR
static java.lang.String
PARAM_KEY_PNG_TEXT_CHUNKS
Parameter key.static BinaryConstant
PNG_SIGNATURE
static java.lang.String
XMP_KEYWORD
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Constructor Summary
Constructors Modifier Constructor Description private
PngConstants()
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Field Detail
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COMPRESSION_DEFLATE_INFLATE
public static final int COMPRESSION_DEFLATE_INFLATE
- See Also:
- Constant Field Values
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PNG_SIGNATURE
public static final BinaryConstant PNG_SIGNATURE
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PARAM_KEY_PNG_BIT_DEPTH
public static final java.lang.String PARAM_KEY_PNG_BIT_DEPTH
- See Also:
- Constant Field Values
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PARAM_KEY_PNG_FORCE_INDEXED_COLOR
public static final java.lang.String PARAM_KEY_PNG_FORCE_INDEXED_COLOR
- See Also:
- Constant Field Values
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PARAM_KEY_PNG_FORCE_TRUE_COLOR
public static final java.lang.String PARAM_KEY_PNG_FORCE_TRUE_COLOR
- See Also:
- Constant Field Values
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COMPRESSION_TYPE_INFLATE_DEFLATE
public static final byte COMPRESSION_TYPE_INFLATE_DEFLATE
- See Also:
- Constant Field Values
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FILTER_METHOD_ADAPTIVE
public static final byte FILTER_METHOD_ADAPTIVE
- See Also:
- Constant Field Values
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XMP_KEYWORD
public static final java.lang.String XMP_KEYWORD
- See Also:
- Constant Field Values
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PARAM_KEY_PNG_TEXT_CHUNKS
public static final java.lang.String PARAM_KEY_PNG_TEXT_CHUNKS
Parameter key.Only used when writing Png images.
Valid values: a list of WriteTexts.
- See Also:
- Constant Field Values
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PARAM_KEY_PHYSICAL_SCALE
public static final java.lang.String PARAM_KEY_PHYSICAL_SCALE
Parameter key. Used in write operations to indicate the Physical Scale - sCAL.Valid values: PhysicalScale
- See Also:
PhysicalScale
, Constant Field Values
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PARAM_KEY_PNG_COMPRESSION_LEVEL
public static final java.lang.String PARAM_KEY_PNG_COMPRESSION_LEVEL
Parameter key. Used to indicate the PNG compression level to be used.For valid values, see
Deflater
. If no value is specified, it will use the default compression level.- See Also:
Deflater
, Constant Field Values
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