com.jniwrapper.win32.gdi

Class Bitmap

java.lang.Object

com.jniwrapper.Parameter

com.jniwrapper.Pointer.Void

com.jniwrapper.win32.Handle

com.jniwrapper.win32.gdi.GdiObject

com.jniwrapper.win32.gdi.Bitmap

All Implemented Interfaces:

com.jniwrapper.IntegerParameter, com.jniwrapper.PointerParameter

Direct Known Subclasses:

DDBitmap, DIBitmap

public abstract class Bitmap
extends GdiObject

This class represents common functionality for working with bitmaps.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Bitmap.Compression Class Compression represents compression level enumeration.
static class	Bitmap.PredefinedBitmap Class PredefinedBitmap enumeration represents predefined windows bitmaps.

Nested classes/interfaces inherited from class com.jniwrapper.win32.gdi.GdiObject

GdiObject.ImageLoadParameters, GdiObject.ImageType, GdiObject.Type

Field Summary

Fields

Modifier and Type	Field and Description
protected static BitmapBuilderFactory	_builderFactory
protected static int	BLACK_COLOR
protected static int	CBM_INIT Initialize bitmap.
protected static int	DIB_PAL_COLORS Color table in palette indixes.
protected static int	DIB_RGB_COLORS Color table in RGB.
protected static java.lang.String	FUNCTION_CREATEDIBITMAP
protected static java.lang.String	FUNCTION_GET_DIBITS
protected static java.lang.String	FUNCTION_SET_DIBITS
protected static int	WHITE_COLOR

Fields inherited from class com.jniwrapper.win32.gdi.GdiObject

GDI_ERROR, HGDI_ERROR

Fields inherited from class com.jniwrapper.win32.Handle

INFINITE_TIMEOUT, INVALID_HANDLE_VALUE, STATUS_ABANDONED_WAIT_0, STATUS_TIMEOUT, STATUS_WAIT_0

Fields inherited from class com.jniwrapper.Parameter

LICENSE_TYPE, V

Constructor Summary

Constructors

Constructor and Description
Bitmap()
Bitmap(long value)

Method Summary

Modifier and Type	Method and Description
void	createDIBSection(DIBitmap result, DC hdc, BitmapInfo bitmapInfo, int colorModel, com.jniwrapper.Pointer ppvBits, Handle hSection, int dwOffset) Creates a handle to device independent bitmap (DIB).
void	createDIBSection(DIBitmap result, com.jniwrapper.Pointer ppvBits, BitmapInfo bitmapInfo) Creates a handle to device independent bitmap (DIB).
void	deleteObject() Deletes the object.
int	getBitCount() Returns the number of bits per pixel.
abstract BitmapInfo	getBitmapInfo()
abstract BitmapInfoHeader	getBitmapInfoHeader()
int	getBitmapLineLength() Return number of pixels in line.
abstract byte[]	getBytes() Returns array of device independent bitmap bytes as byte array.
protected static int	getBytesCount(int height, int width, int bitPerPixel) Return number of bytes in bitmap
long	getDIBits(DC dc, int startScan, int scanLines, com.jniwrapper.Pointer.Void bits, BitmapInfo bitmapInfo, int colorModelType) Returns bits of a bitmap.
long	getDIBits(DC dc, int startScan, int scanLines, com.jniwrapper.Pointer bits, BitmapInfo bitmapInfo, int colorModelType) Returns bits of a bitmap.
abstract com.jniwrapper.PrimitiveArray	getDIBytes() Deprecated. use {#getBytes} method to obtain byte array of image
int	getHeight() Returns bitmap height in pixels.
Size	getSize() Return bitmap size as an Size object instance.
Bitmap	getTransparentMask() Returns transparancy bitmap mask.
int	getWidth() Returns bitmap width.
boolean	isTransparent() Returns true if a transparent bitmap.
abstract void	loadFromFile(java.lang.String fileName)
void	saveToFile(java.lang.String fileName) Saves bitmap to the specified file.
long	setDIBits(DC dc, int startScan, int scanLines, com.jniwrapper.Pointer bits, BitmapInfo bitmapInfo, int colorModelType) Sets bits for a bitmap.
abstract void	setDIBytes(com.jniwrapper.PrimitiveArray bytes) Sets bytes of the bitmap.
protected void	setSize(int width, int height) Sets bitmap size in pixels.
protected void	setTransparentMask(java.awt.Image transparentMask) Sets transparency mask using input image.
java.awt.image.BufferedImage	toImage() Converts windows Bitmap to BufferedImage.

Methods inherited from class com.jniwrapper.win32.gdi.GdiObject

getObject, getObjectType

Methods inherited from class com.jniwrapper.win32.Handle

clone, closeHandle, equals, waitFor, waitFor

Methods inherited from class com.jniwrapper.Pointer.Void

asFunction, asFunction, asTypedPointer, castTo, castTo, getDebugInfo, getLength, getValue, hashCode, isNull, read, setValue, toString, write

Methods inherited from class com.jniwrapper.Parameter

acceptIOPerformer, asReturnValue, dataBufferAssigned, getAlignedLength, getAlignmentRequirement, getDataBuffer, getDataBufferOffset, indent, pop, push, read, read, setDataBuffer, toByteArray, write

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

_builderFactory

protected static final BitmapBuilderFactory _builderFactory

FUNCTION_GET_DIBITS

protected static final java.lang.String FUNCTION_GET_DIBITS

See Also:

Constant Field Values

FUNCTION_SET_DIBITS

protected static final java.lang.String FUNCTION_SET_DIBITS

See Also:

Constant Field Values

FUNCTION_CREATEDIBITMAP

protected static final java.lang.String FUNCTION_CREATEDIBITMAP

See Also:

Constant Field Values

BLACK_COLOR

protected static final int BLACK_COLOR

See Also:

Constant Field Values

WHITE_COLOR

protected static final int WHITE_COLOR

See Also:

Constant Field Values

DIB_RGB_COLORS

protected static final int DIB_RGB_COLORS

Color table in RGB.

See Also:

Constant Field Values

DIB_PAL_COLORS

protected static final int DIB_PAL_COLORS

Color table in palette indixes.

See Also:

Constant Field Values

CBM_INIT

protected static final int CBM_INIT

Initialize bitmap.

See Also:

Constant Field Values

Constructor Detail

Bitmap

public Bitmap()

Bitmap

public Bitmap(long value)

Method Detail

setDIBits

public long setDIBits(DC dc,
                      int startScan,
                      int scanLines,
                      com.jniwrapper.Pointer bits,
                      BitmapInfo bitmapInfo,
                      int colorModelType)

Sets bits for a bitmap.

Parameters:

dc - dc compatible with a bitmap.

startScan - start scanline in a bitmap.

scanLines - the number of scanlines in a bitmap.

bits - a pointer to PrimitiveArray of UInt8 (result bits).

bitmapInfo - BitmapInfo structure describing a bitmap.

colorModelType - a type of color model.

Returns:

the number of scanlines with bits.

getDIBits

public long getDIBits(DC dc,
                      int startScan,
                      int scanLines,
                      com.jniwrapper.Pointer bits,
                      BitmapInfo bitmapInfo,
                      int colorModelType)

Returns bits of a bitmap.

Parameters:

dc - dc compatible with a bitmap.

startScan - start scanline in bitmap.

scanLines - the number of scanlines in a bitmap.

bits - a pointer to PrimitiveArray of UInt8 (result bits).

bitmapInfo - BitmapInfo structure describing a bitmap.

colorModelType - a type of color model.

Returns:

the number of scanlines with bits.

getDIBits

public long getDIBits(DC dc,
                      int startScan,
                      int scanLines,
                      com.jniwrapper.Pointer.Void bits,
                      BitmapInfo bitmapInfo,
                      int colorModelType)

Returns bits of a bitmap.

Parameters:

dc - dc compatible with a bitmap.

startScan - start scanline in bitmap.

scanLines - the number of scanlines in a bitmap.

bits - a pointer to PrimitiveArray of UInt8 (result bits).

bitmapInfo - BitmapInfo structure describing a bitmap.

colorModelType - a type of color model.

Returns:

the number of scanlines with bits.

setSize

protected void setSize(int width,
                       int height)

Sets bitmap size in pixels.

Parameters:

width -

height -

getSize

public Size getSize()

Return bitmap size as an Size object instance.

Returns:

Size object instance

getWidth

public int getWidth()

Returns bitmap width.

Returns:

width - bitmap width in pixels

getHeight

public int getHeight()

Returns bitmap height in pixels.

Returns:

height - bitmap height in pixels

createDIBSection

public void createDIBSection(DIBitmap result,
                             com.jniwrapper.Pointer ppvBits,
                             BitmapInfo bitmapInfo)

Creates a handle to device independent bitmap (DIB).

Parameters:

result - [out] is a handle to DIB.

ppvBits - [out] is a pointer to the location of bits in DIB section.

bitmapInfo - [in] describes source DDBitmap.

createDIBSection

public void createDIBSection(DIBitmap result,
                             DC hdc,
                             BitmapInfo bitmapInfo,
                             int colorModel,
                             com.jniwrapper.Pointer ppvBits,
                             Handle hSection,
                             int dwOffset)

Creates a handle to device independent bitmap (DIB).

Parameters:

result - [out] is a handle to DIB.

hdc - [in] is a handle to the DC of source DDBitmap.

bitmapInfo - [in] describes source DDBitmap.

colorModel - [in] is the type of color model.

ppvBits - [out] is a pointer to the location of bits in DIB section.

hSection - [in] is a hable to DIB section.

dwOffset - [in] is an offset of bits location in DIB section.

getBitCount

public int getBitCount()

Returns the number of bits per pixel.

Returns:

the number of bits per pixel.

setTransparentMask

protected void setTransparentMask(java.awt.Image transparentMask)

Sets transparency mask using input image.

Parameters:

transparentMask - - an image

getTransparentMask

public Bitmap getTransparentMask()

Returns transparancy bitmap mask.

Returns:

bitmap Bitmap instance

isTransparent

public boolean isTransparent()

Returns true if a transparent bitmap.

Returns:

true if a transparent bitmap.

deleteObject

public void deleteObject()

Deletes the object.

Overrides:

deleteObject in class GdiObject

toImage

public java.awt.image.BufferedImage toImage()

Converts windows Bitmap to BufferedImage.

Returns:

image BufferedImage instance.

getBytesCount

protected static int getBytesCount(int height,
                                   int width,
                                   int bitPerPixel)

Return number of bytes in bitmap

Parameters:

height - - number of lines

width - - number of rows

bitPerPixel - - number of bits on pixel

Returns:

- number of bytes

getBitmapLineLength

public int getBitmapLineLength()

Return number of pixels in line. BITMAP standard requires all lines to be aligned on 4-bytes boundary (@see BMP file format ) This method returns aligned line length.

Returns:

Bytes count in each bitmap line

saveToFile

public void saveToFile(java.lang.String fileName)
                throws java.io.IOException

Saves bitmap to the specified file.

Parameters:

fileName - path to the file where the bitmap will be saved.

Throws:

java.io.IOException

getBitmapInfoHeader

public abstract BitmapInfoHeader getBitmapInfoHeader()

getBitmapInfo

public abstract BitmapInfo getBitmapInfo()

loadFromFile

public abstract void loadFromFile(java.lang.String fileName)

getDIBytes

public abstract com.jniwrapper.PrimitiveArray getDIBytes()

Deprecated. use {#getBytes} method to obtain byte array of image

Returns array of device independent bitmap bytes as PrimitiveArray of UInt8.

Returns:

array of bitmap bytes.

getBytes

public abstract byte[] getBytes()

Returns array of device independent bitmap bytes as byte array.

Returns:

array of bitmap bytes.

setDIBytes

public abstract void setDIBytes(com.jniwrapper.PrimitiveArray bytes)

Sets bytes of the bitmap.

Parameters:

bytes -