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java.lang.Objectorg.jfree.chart.encoders.EncoderUtil
public class EncoderUtil
A collection of utility methods for encoding images and returning them as a byte[] or writing them directly to an OutputStream.
Constructor Summary | |
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EncoderUtil()
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Method Summary | |
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static byte[] |
encode(BufferedImage image,
String format)
Encode the image in a specific format. |
static byte[] |
encode(BufferedImage image,
String format,
boolean encodeAlpha)
Encode the image in a specific format. |
static byte[] |
encode(BufferedImage image,
String format,
float quality)
Encode the image in a specific format. |
static byte[] |
encode(BufferedImage image,
String format,
float quality,
boolean encodeAlpha)
Encode the image in a specific format. |
static void |
writeBufferedImage(BufferedImage image,
String format,
OutputStream outputStream)
Encode the image in a specific format and write it to an OutputStream. |
static void |
writeBufferedImage(BufferedImage image,
String format,
OutputStream outputStream,
boolean encodeAlpha)
Encode the image in a specific format and write it to an OutputStream. |
static void |
writeBufferedImage(BufferedImage image,
String format,
OutputStream outputStream,
float quality)
Encode the image in a specific format and write it to an OutputStream. |
static void |
writeBufferedImage(BufferedImage image,
String format,
OutputStream outputStream,
float quality,
boolean encodeAlpha)
Encode the image in a specific format and write it to an OutputStream. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public EncoderUtil()
Method Detail |
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public static byte[] encode(BufferedImage image, String format) throws IOException
image
- The image to be encoded.format
- The ImageFormat
to use.
IOException
public static byte[] encode(BufferedImage image, String format, boolean encodeAlpha) throws IOException
image
- The image to be encoded.format
- The ImageFormat
to use.encodeAlpha
- Whether to encode alpha transparency (not supported
by all ImageEncoders).
IOException
public static byte[] encode(BufferedImage image, String format, float quality) throws IOException
image
- The image to be encoded.format
- The ImageFormat
to use.quality
- The quality to use for the image encoding (not supported
by all ImageEncoders).
IOException
public static byte[] encode(BufferedImage image, String format, float quality, boolean encodeAlpha) throws IOException
image
- The image to be encoded.format
- The ImageFormat
to use.quality
- The quality to use for the image encoding (not supported
by all ImageEncoders).encodeAlpha
- Whether to encode alpha transparency (not supported
by all ImageEncoders).
IOException
public static void writeBufferedImage(BufferedImage image, String format, OutputStream outputStream) throws IOException
image
- The image to be encoded.format
- The ImageFormat
to use.outputStream
- The OutputStream to write the encoded image to.
IOException
public static void writeBufferedImage(BufferedImage image, String format, OutputStream outputStream, float quality) throws IOException
image
- The image to be encoded.format
- The ImageFormat
to use.outputStream
- The OutputStream to write the encoded image to.quality
- The quality to use for the image encoding (not
supported by all ImageEncoders).
IOException
public static void writeBufferedImage(BufferedImage image, String format, OutputStream outputStream, boolean encodeAlpha) throws IOException
image
- The image to be encoded.format
- The ImageFormat
to use.outputStream
- The OutputStream to write the encoded image to.encodeAlpha
- Whether to encode alpha transparency (not
supported by all ImageEncoders).
IOException
public static void writeBufferedImage(BufferedImage image, String format, OutputStream outputStream, float quality, boolean encodeAlpha) throws IOException
image
- The image to be encoded.format
- The ImageFormat
to use.outputStream
- The OutputStream to write the encoded image to.quality
- The quality to use for the image encoding (not
supported by all ImageEncoders).encodeAlpha
- Whether to encode alpha transparency (not supported
by all ImageEncoders).
IOException
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