Package org.apache.commons.imaging.formats.png

Class PngWriter

java.lang.Object

org.apache.commons.imaging.formats.png.PngWriter

class PngWriter
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	PngWriter.ImageHeader

Constructor Summary

Constructors

Constructor	Description
PngWriter()

Method Summary

Modifier and Type	Method	Description
private byte[]	deflate(byte[] bytes)
private byte	getBitDepth(PngColorType pngColorType, Map<String,Object> params)
private boolean	isValidISO_8859_1(String s)
private void	writeChunk(OutputStream os, ChunkType chunkType, byte[] data)
private void	writeChunkIDAT(OutputStream os, byte[] bytes)
private void	writeChunkIEND(OutputStream os)
private void	writeChunkIHDR(OutputStream os, PngWriter.ImageHeader value)
private void	writeChunkiTXt(OutputStream os, PngText.Itxt text)
private void	writeChunkPHYS(OutputStream os, int xPPU, int yPPU, byte units)
private void	writeChunkPLTE(OutputStream os, Palette palette)
private void	writeChunkSCAL(OutputStream os, double xUPP, double yUPP, byte units)
private void	writeChunktEXt(OutputStream os, PngText.Text text)
private void	writeChunkTRNS(OutputStream os, Palette palette)
private void	writeChunkXmpiTXt(OutputStream os, String xmpXml)
private void	writeChunkzTXt(OutputStream os, PngText.Ztxt text)
void	writeImage(BufferedImage src, OutputStream os, Map<String,Object> params)
private void	writeInt(OutputStream os, int value)

Methods inherited from class java.lang.Object

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

Constructor Details

PngWriter

PngWriter()

Method Details

writeInt

private void writeInt(OutputStream os,
 int value)
               throws IOException

Throws:

IOException

writeChunk

private void writeChunk(OutputStream os,
 ChunkType chunkType,
 byte[] data)
                 throws IOException

Throws:

IOException

writeChunkIHDR

private void writeChunkIHDR(OutputStream os,
 PngWriter.ImageHeader value)
                     throws IOException

Throws:

IOException

writeChunkiTXt

private void writeChunkiTXt(OutputStream os,
 PngText.Itxt text)
                     throws IOException,
ImageWriteException

Throws:

IOException

ImageWriteException

writeChunkzTXt

private void writeChunkzTXt(OutputStream os,
 PngText.Ztxt text)
                     throws IOException,
ImageWriteException

Throws:

IOException

ImageWriteException

writeChunktEXt

private void writeChunktEXt(OutputStream os,
 PngText.Text text)
                     throws IOException,
ImageWriteException

Throws:

IOException

ImageWriteException

deflate

private byte[] deflate(byte[] bytes)
                throws IOException

Throws:

IOException

isValidISO_8859_1

private boolean isValidISO_8859_1(String s)

writeChunkXmpiTXt

private void writeChunkXmpiTXt(OutputStream os,
 String xmpXml)
                        throws IOException

Throws:

IOException

writeChunkPLTE

private void writeChunkPLTE(OutputStream os,
 Palette palette)
                     throws IOException

Throws:

IOException

writeChunkTRNS

private void writeChunkTRNS(OutputStream os,
 Palette palette)
                     throws IOException

Throws:

IOException

writeChunkIEND

private void writeChunkIEND(OutputStream os)
                     throws IOException

Throws:

IOException

writeChunkIDAT

private void writeChunkIDAT(OutputStream os,
 byte[] bytes)
                     throws IOException

Throws:

IOException

writeChunkPHYS

private void writeChunkPHYS(OutputStream os,
 int xPPU,
 int yPPU,
 byte units)
                     throws IOException

Throws:

IOException

writeChunkSCAL

private void writeChunkSCAL(OutputStream os,
 double xUPP,
 double yUPP,
 byte units)
                     throws IOException

Throws:

IOException

getBitDepth

private byte getBitDepth(PngColorType pngColorType,
 Map<String,Object> params)

writeImage

public void writeImage(BufferedImage src,
 OutputStream os,
 Map<String,Object> params)
                throws ImageWriteException,
IOException

Throws:

ImageWriteException

IOException