java.lang.Object
- com.twelvemonkeys.imageio.plugins.bmp.DIBHeader

Direct Known Subclasses:

DIBHeader.BitmapCoreHeader, DIBHeader.BitmapCoreHeaderV2, DIBHeader.BitmapInfoHeader, DIBHeader.BitmapV4InfoHeader, DIBHeader.BitmapV5InfoHeader
```
abstract class DIBHeader
extends java.lang.Object
```
Represents the DIB (Device Independent Bitmap) Information header structure.

Version:

$Id: DIBHeader.java,v 1.0 May 5, 2009 10:45:31 AM haraldk Exp$

See Also:

BMP file format (Wikipedia)

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`(package private) static class`	`DIBHeader.BitmapCoreHeader`
`(package private) static class`	`DIBHeader.BitmapCoreHeaderV2`	OS/2 BitmapCoreHeader Version 2.
`(package private) static class`	`DIBHeader.BitmapInfoHeader`	Represents the DIB (Device Independent Bitmap) Windows 3.0 Bitmap Information header structure.
`(package private) static class`	`DIBHeader.BitmapV4InfoHeader`	Represents the BITMAPV4INFOHEADER structure.
`(package private) static class`	`DIBHeader.BitmapV5InfoHeader`	Represents the BITMAPV5INFOHEADER structure.

Field Summary

Fields
Modifier and Type	Field	Description
`protected int`	`bitCount`
`protected double[]`	`cieXYZEndpoints`
`protected int`	`colorsImportant`
`protected int`	`colorSpaceType`
`protected int`	`colorsUsed`
`protected int`	`compression`	0 = BI_RGB: No compression 1 = BI_RLE8: 8 bit RLE Compression (8 bit only) 2 = BI_RLE4: 4 bit RLE Compression (4 bit only) 3 = BI_BITFIELDS: No compression (16 & 32 bit only)
`private int`	`DEFAULT_PIXELS_PER_METER`
`protected int[]`	`gamma`
`protected int`	`height`
`protected int`	`imageSize`
`protected int`	`intent`
`protected int[]`	`masks`
`protected int`	`planes`
`protected long`	`profileData`
`protected long`	`profileSize`
`protected int`	`size`
`protected boolean`	`topDown`
`protected int`	`width`
`protected int`	`xPixelsPerMeter`
`protected int`	`yPixelsPerMeter`

Constructor Summary

Constructors
Modifier Constructor Description

protected DIBHeader()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`private static DIBHeader`	`createHeader(int size)`
`int`	`getBitCount()`
`protected abstract java.lang.String`	`getBMPVersion()`
`int`	`getColorsImportant()`
`int`	`getColorsUsed()`
`int`	`getCompression()`
`int`	`getHeight()`
`int`	`getImageSize()`
`int`	`getPlanes()`
`int`	`getSize()`
`int`	`getWidth()`
`int`	`getXPixelsPerMeter()`
`int`	`getYPixelsPerMeter()`
`boolean`	`hasMasks()`
`protected abstract void`	`read(int size, java.io.DataInput stream)`
`static DIBHeader`	`read(java.io.DataInput stream)`
`private static int[]`	`readMasks(java.io.DataInput stream, boolean hasAlphaMask)`
`java.lang.String`	`toString()`
`protected abstract void`	`write(java.io.DataOutput stream)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

DEFAULT_PIXELS_PER_METER
```
private final int DEFAULT_PIXELS_PER_METER
```
See Also:

Constant Field Values

size
```
protected int size
```

width
```
protected int width
```

height
```
protected int height
```

topDown
```
protected boolean topDown
```

planes
```
protected int planes
```

bitCount
```
protected int bitCount
```

compression
```
protected int compression
```
0 = BI_RGB: No compression 1 = BI_RLE8: 8 bit RLE Compression (8 bit only) 2 = BI_RLE4: 4 bit RLE Compression (4 bit only) 3 = BI_BITFIELDS: No compression (16 & 32 bit only)

imageSize
```
protected int imageSize
```

xPixelsPerMeter
```
protected int xPixelsPerMeter
```

yPixelsPerMeter
```
protected int yPixelsPerMeter
```

colorsUsed
```
protected int colorsUsed
```

colorsImportant
```
protected int colorsImportant
```

masks
```
protected int[] masks
```

colorSpaceType
```
protected int colorSpaceType
```

cieXYZEndpoints
```
protected double[] cieXYZEndpoints
```

gamma
```
protected int[] gamma
```

intent
```
protected int intent
```

profileData
```
protected long profileData
```

profileSize
```
protected long profileSize
```

Constructor Detail
- DIBHeader
```
protected DIBHeader()
```

Method Detail

read

public static DIBHeader read(java.io.DataInput stream)
                      throws java.io.IOException

Throws:: java.io.IOException

createHeader

private static DIBHeader createHeader(int size)
                               throws java.io.IOException

Throws:: java.io.IOException

read

protected abstract void read(int size,
                             java.io.DataInput stream)
                      throws java.io.IOException

Throws:: java.io.IOException

write

protected abstract void write(java.io.DataOutput stream)
                       throws java.io.IOException

Throws:: java.io.IOException

getSize
```
public final int getSize()
```

getWidth
```
public final int getWidth()
```

getHeight
```
public final int getHeight()
```

getPlanes
```
public final int getPlanes()
```

getBitCount
```
public final int getBitCount()
```

getCompression
```
public int getCompression()
```

getImageSize
```
public int getImageSize()
```

getXPixelsPerMeter
```
public int getXPixelsPerMeter()
```

getYPixelsPerMeter
```
public int getYPixelsPerMeter()
```

getColorsUsed
```
public int getColorsUsed()
```

getColorsImportant
```
public int getColorsImportant()
```

hasMasks
```
public boolean hasMasks()
```

toString
```
public java.lang.String toString()
```
Overrides:

toString in class java.lang.Object

readMasks

private static int[] readMasks(java.io.DataInput stream,
                               boolean hasAlphaMask)
                        throws java.io.IOException

Throws:: java.io.IOException

getBMPVersion

protected abstract java.lang.String getBMPVersion()

Class DIBHeader

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

DEFAULT_PIXELS_PER_METER

size

width

height

topDown

planes

bitCount

compression

imageSize

xPixelsPerMeter

yPixelsPerMeter

colorsUsed

colorsImportant

masks

colorSpaceType

cieXYZEndpoints

gamma

intent

profileData

profileSize

Constructor Detail

DIBHeader

Method Detail

read

createHeader

read

write

getSize

getWidth

getHeight

getPlanes

getBitCount

getCompression

getImageSize

getXPixelsPerMeter

getYPixelsPerMeter

getColorsUsed

getColorsImportant

hasMasks

toString

readMasks

getBMPVersion