org.cell2d.celick.opengl.pbuffer

Class GraphicsFactory

java.lang.Object

org.cell2d.celick.opengl.pbuffer.GraphicsFactory

public class GraphicsFactory
extends java.lang.Object

A factory to produce an appropriate render to texture graphics context based on current hardware

Constructor Summary

Constructors

Constructor and Description
GraphicsFactory()

Method Summary

Modifier and Type	Method and Description
static Graphics	getGraphicsForImage(Image image) Get a graphics context for a particular image
static void	releaseGraphicsForImage(Image image) Release any graphics context that is assocaited with the given image
static void	setUseFBO(boolean useFBO) Force FBO use on or off
static boolean	usingFBO() Check if we're using FBO for dynamic textures
static boolean	usingPBuffer() Check if we're using PBuffer for dynamic textures

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphicsFactory

public GraphicsFactory()

Method Detail

setUseFBO

public static void setUseFBO(boolean useFBO)

Force FBO use on or off

Parameters:

useFBO - True if we should try and use FBO for offscreen images

usingFBO

public static boolean usingFBO()

Check if we're using FBO for dynamic textures

Returns:

True if we're using FBOs

usingPBuffer

public static boolean usingPBuffer()

Check if we're using PBuffer for dynamic textures

Returns:

True if we're using PBuffer

getGraphicsForImage

public static Graphics getGraphicsForImage(Image image)
                                    throws SlickException

Get a graphics context for a particular image

Parameters:

image - The image for which to retrieve the graphics context

Returns:

The graphics context

Throws:

SlickException - Indicates it wasn't possible to create a graphics context given available hardware.

releaseGraphicsForImage

public static void releaseGraphicsForImage(Image image)
                                    throws SlickException

Release any graphics context that is assocaited with the given image

Parameters:

image - The image to release

Throws:

SlickException - Indicates a failure to release the context