org.newdawn.slick.opengl
Class PNGDecoder

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

public class PNGDecoder
extends java.lang.Object

A PNGDecoder. The slick PNG decoder is based on this class :)

Author:

Matthias Mann

Nested Class Summary

static class

PNGDecoder.Format

Field Summary

static PNGDecoder.Format	ABGR
static PNGDecoder.Format	ALPHA
static PNGDecoder.Format	BGRA
static PNGDecoder.Format	LUMINANCE
static PNGDecoder.Format	LUMINANCE_ALPHA
static PNGDecoder.Format	RGB
static PNGDecoder.Format	RGBA

Constructor Summary

PNGDecoder(java.io.InputStream input)

Method Summary

PNGDecoder.Format	decideTextureFormat(PNGDecoder.Format fmt) Computes the implemented format conversion for the desired format.
void	decode(java.nio.ByteBuffer buffer, int stride, PNGDecoder.Format fmt)
int	getHeight()
int	getWidth()
boolean	hasAlpha()
boolean	isRGB()

Methods inherited from class java.lang.Object

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

Field Detail

ALPHA

public static PNGDecoder.Format ALPHA

LUMINANCE

public static PNGDecoder.Format LUMINANCE

LUMINANCE_ALPHA

public static PNGDecoder.Format LUMINANCE_ALPHA

RGB

public static PNGDecoder.Format RGB

RGBA

public static PNGDecoder.Format RGBA

BGRA

public static PNGDecoder.Format BGRA

ABGR

public static PNGDecoder.Format ABGR

Constructor Detail

PNGDecoder

public PNGDecoder(java.io.InputStream input)
           throws java.io.IOException

Throws:

java.io.IOException

Method Detail

getHeight

public int getHeight()

getWidth

public int getWidth()

hasAlpha

public boolean hasAlpha()

isRGB

public boolean isRGB()

decideTextureFormat

public PNGDecoder.Format decideTextureFormat(PNGDecoder.Format fmt)

Computes the implemented format conversion for the desired format.

Parameters:

fmt - the desired format

Returns:

format which best matches the desired format

Throws:

java.lang.UnsupportedOperationException - if this PNG file can't be decoded

decode

public void decode(java.nio.ByteBuffer buffer,
                   int stride,
                   PNGDecoder.Format fmt)
            throws java.io.IOException

Throws:

java.io.IOException