gnu.javax.imageio.bmp

Class BMPInfoHeader


public class BMPInfoHeader
extends Object

Field Summary

static int
BI_BITFIELDS
static int
BI_RGB
Compression types
static int
BI_RLE4
static int
BI_RLE8
static int
SIZE
BITMAPINFOHEADER is 40 bytes
protected short
biBitCount
Number of bpp = 1,4,8,24
protected int
biClrImportant
Number of 'important' colors, 0 for all
protected int
biClrUsed
Number of colors used (palette only, can be 0 for all)
protected int
biCompression
Compression type, RGB8, RLE8, RLE4, BITFIELDS
protected int
biHeight
Pixel height of the bitmap
protected short
biPlanes
Number of bitplanes = 1
protected int
biSize
Size of the bitmap info header
protected int
biSizeImage
Byte size of the uncompressed bitmap, can be 0.
protected int
biWidth
Pixel width of the bitmap
protected int
biXPelsPerMeter
X resolution, dots per meter
protected int
biYPelsPerMeter
Y resolution, dots per meter

Constructor Summary

BMPInfoHeader(ImageInputStream in)
Creates the header from an input stream, which is not closed.
BMPInfoHeader(ImageOutputStream out, IIOImage im, ImageWriteParam param)
Creates the info header from an output stream, which is not closed.

Method Summary

short
getBitCount()
int
getCompression()
int
getHeight()
int
getNumberOfPaletteEntries()
Dimension
getSize()
int
getWidth()
void
setBitCount(short bitcount)
void
setCompression(int compression)
void
setSize(Dimension d)

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

BI_BITFIELDS

public static final int BI_BITFIELDS
Field Value:
3

BI_RGB

public static final int BI_RGB
Compression types
Field Value:
0

BI_RLE4

public static final int BI_RLE4
Field Value:
2

BI_RLE8

public static final int BI_RLE8
Field Value:
1

SIZE

public static final int SIZE
BITMAPINFOHEADER is 40 bytes
Field Value:
40

biBitCount

protected short biBitCount
Number of bpp = 1,4,8,24

biClrImportant

protected int biClrImportant
Number of 'important' colors, 0 for all

biClrUsed

protected int biClrUsed
Number of colors used (palette only, can be 0 for all)

biCompression

protected int biCompression
Compression type, RGB8, RLE8, RLE4, BITFIELDS

biHeight

protected int biHeight
Pixel height of the bitmap

biPlanes

protected short biPlanes
Number of bitplanes = 1

biSize

protected int biSize
Size of the bitmap info header

biSizeImage

protected int biSizeImage
Byte size of the uncompressed bitmap, can be 0.

biWidth

protected int biWidth
Pixel width of the bitmap

biXPelsPerMeter

protected int biXPelsPerMeter
X resolution, dots per meter

biYPelsPerMeter

protected int biYPelsPerMeter
Y resolution, dots per meter

Constructor Details

BMPInfoHeader

public BMPInfoHeader(ImageInputStream in)
            throws IOException,
                   BMPException
Creates the header from an input stream, which is not closed.
Parameters:
in - - the image input stream
Throws:
IOException - if an I/O error occured.
BMPException - if the header was invalid

BMPInfoHeader

public BMPInfoHeader(ImageOutputStream out,
                     IIOImage im,
                     ImageWriteParam param)
            throws IOException
Creates the info header from an output stream, which is not closed.
Parameters:
out - - the image output stream
im - - the image
param - - the image write param.
Throws:
IOException - if an I/O error occured.

Method Details

getBitCount

public short getBitCount()

getCompression

public int getCompression()

getHeight

public int getHeight()

getNumberOfPaletteEntries

public int getNumberOfPaletteEntries()

getSize

public Dimension getSize()

getWidth

public int getWidth()

setBitCount

public void setBitCount(short bitcount)
            throws BMPException

setCompression

public void setCompression(int compression)
            throws BMPException

setSize

public void setSize(Dimension d)

BMPInfoHeader.java -- Copyright (C) 2005 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.