org.newdawn.slick.opengl
Class PNGImageData

java.lang.Object
  org.newdawn.slick.opengl.PNGImageData

All Implemented Interfaces:

ImageData, LoadableImageData

public class PNGImageData
extends java.lang.Object
implements LoadableImageData

The PNG imge data source that is pure java reading PNGs

Author:

Matthias Mann (original code)

Constructor Summary

PNGImageData()
Create a new PNG image data that can read image data from PNG formated files

Method Summary

int	getDepth() Get the last bit depth read from a TGA
int	getHeight() Get the last height read from a TGA
java.nio.ByteBuffer	getImageBufferData() Get the store image
int	getTexHeight() Get the ast required texture height for a loaded image
int	getTexWidth() Get the last required texture width for a loaded image
int	getWidth() Get the last width read from a TGA
boolean	hasAlpha() Check if this PNG has a an alpha channel
boolean	isRGB() Check if the PNG is RGB formatted
java.nio.ByteBuffer	loadImage(java.io.InputStream fis) Load a image from the specified stream
java.nio.ByteBuffer	loadImage(java.io.InputStream fis, boolean flipped, boolean forceAlpha, int[] transparent) Load a image from the specified stream
java.nio.ByteBuffer	loadImage(java.io.InputStream fis, boolean flipped, int[] transparent) Load a image from the specified stream

Methods inherited from class java.lang.Object

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

Constructor Detail

PNGImageData

public PNGImageData()

Create a new PNG image data that can read image data from PNG formated files

Method Detail

getHeight

public int getHeight()

Description copied from interface: ImageData

Get the last height read from a TGA

Specified by:

getHeight in interface ImageData

Returns:

Get the last height in pixels fread from a TGA

See Also:

ImageData.getHeight()

getWidth

public int getWidth()

Description copied from interface: ImageData

Get the last width read from a TGA

Specified by:

getWidth in interface ImageData

Returns:

Get the last width in pixels fread from a TGA

See Also:

ImageData.getWidth()

hasAlpha

public boolean hasAlpha()

Check if this PNG has a an alpha channel

Returns:

True if the PNG has an alpha channel

isRGB

public boolean isRGB()

Check if the PNG is RGB formatted

Returns:

True if the PNG is RGB formatted

getDepth

public int getDepth()

Description copied from interface: ImageData

Get the last bit depth read from a TGA

Specified by:

getDepth in interface ImageData

Returns:

The last bit depth read

See Also:

ImageData.getDepth()

getImageBufferData

public java.nio.ByteBuffer getImageBufferData()

Description copied from interface: ImageData

Get the store image

Specified by:

getImageBufferData in interface ImageData

Returns:

The stored image

See Also:

ImageData.getImageBufferData()

getTexHeight

public int getTexHeight()

Description copied from interface: ImageData

Get the ast required texture height for a loaded image

Specified by:

getTexHeight in interface ImageData

Returns:

Get the ast required texture height for a loaded image

See Also:

ImageData.getTexHeight()

getTexWidth

public int getTexWidth()

Description copied from interface: ImageData

Get the last required texture width for a loaded image

Specified by:

getTexWidth in interface ImageData

Returns:

Get the ast required texture width for a loaded image

See Also:

ImageData.getTexWidth()

loadImage

public java.nio.ByteBuffer loadImage(java.io.InputStream fis)
                              throws java.io.IOException

Description copied from interface: LoadableImageData

Load a image from the specified stream

Specified by:

loadImage in interface LoadableImageData

Parameters:

fis - The stream from which we'll load the TGA

Returns:

The byte buffer containing texture data

Throws:

java.io.IOException - Indicates a failure to read the TGA

See Also:

LoadableImageData.loadImage(java.io.InputStream)

loadImage

public java.nio.ByteBuffer loadImage(java.io.InputStream fis,
                                     boolean flipped,
                                     int[] transparent)
                              throws java.io.IOException

Description copied from interface: LoadableImageData

Load a image from the specified stream

Specified by:

loadImage in interface LoadableImageData

Parameters:

fis - The stream from which we'll load the TGA

flipped - True if we loading in flipped mode (used for cursors)

transparent - The colour to interpret as transparent or null if none

Returns:

The byte buffer containing texture data

Throws:

java.io.IOException - Indicates a failure to read the TGA

See Also:

LoadableImageData.loadImage(java.io.InputStream, boolean, int[])

loadImage

public java.nio.ByteBuffer loadImage(java.io.InputStream fis,
                                     boolean flipped,
                                     boolean forceAlpha,
                                     int[] transparent)
                              throws java.io.IOException

Description copied from interface: LoadableImageData

Load a image from the specified stream

Specified by:

loadImage in interface LoadableImageData

Parameters:

fis - The stream from which we'll load the TGA

flipped - True if we loading in flipped mode (used for cursors)

forceAlpha - Force the output to have an alpha channel

transparent - The colour to interpret as transparent or null if none

Returns:

The byte buffer containing texture data

Throws:

java.io.IOException - Indicates a failure to read the TGA

See Also:

LoadableImageData.loadImage(java.io.InputStream, boolean, boolean, int[])