org.cell2d.celick.opengl

Class InternalTextureLoader

java.lang.Object

org.cell2d.celick.opengl.InternalTextureLoader

public class InternalTextureLoader
extends java.lang.Object

A texture loaded based on many old versions that will load image data from a file and produce OpenGL textures.

See Also:

ImageData

Field Summary

Fields

Modifier and Type	Field and Description
protected static SGL	GL The renderer to use for all GL operations

Method Summary

Modifier and Type	Method and Description
void	clear() Clear out the cached textures
void	clear(java.lang.String name) Remove a particular named image from the cache
static java.nio.IntBuffer	createIntBuffer(int size) Creates an integer buffer to hold specified ints - strictly a utility method
Texture	createTexture(int width, int height) Create an empty texture
Texture	createTexture(int width, int height, int filter) Create an empty texture
static int	createTextureID() Create a new texture ID
static InternalTextureLoader	get() Get the single instance of this texture loader
static int	get2Fold(int fold) Get the closest greater power of 2 to the fold number
Texture	getTexture(java.io.File source, boolean flipped, int filter) Get a texture from a specific file
Texture	getTexture(java.io.File source, boolean flipped, int filter, int[] transparent) Get a texture from a specific file
Texture	getTexture(ImageData dataSource, int filter) Get a texture from a image file
Texture	getTexture(java.io.InputStream in, java.lang.String resourceName, boolean flipped, int filter) Get a texture from a image file
TextureImpl	getTexture(java.io.InputStream in, java.lang.String resourceName, boolean flipped, int filter, int[] transparent) Get a texture from a image file
Texture	getTexture(java.lang.String resourceName, boolean flipped, int filter) Get a texture from a resource location
Texture	getTexture(java.lang.String resourceName, boolean flipped, int filter, int[] transparent) Get a texture from a resource location
void	reload() Reload all the textures loaded in this loader
int	reload(TextureImpl texture, int srcPixelFormat, int componentCount, int minFilter, int magFilter, java.nio.ByteBuffer textureBuffer) Reload a given texture blob
void	set16BitMode() Tell the loader to produce 16 bit textures
void	setHoldTextureData(boolean holdTextureData) Indicate where texture data should be held for reinitialising at a future point.

Methods inherited from class java.lang.Object

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

Field Detail

GL

protected static SGL GL

The renderer to use for all GL operations

Method Detail

get

public static InternalTextureLoader get()

Get the single instance of this texture loader

Returns:

The single instance of the texture loader

setHoldTextureData

public void setHoldTextureData(boolean holdTextureData)

Indicate where texture data should be held for reinitialising at a future point.

Parameters:

holdTextureData - True if we should hold texture data

clear

public void clear(java.lang.String name)

Remove a particular named image from the cache

Parameters:

name - The name of the image to be cleared

clear

public void clear()

Clear out the cached textures

set16BitMode

public void set16BitMode()

Tell the loader to produce 16 bit textures

createTextureID

public static int createTextureID()

Create a new texture ID

Returns:

A new texture ID

getTexture

public Texture getTexture(java.io.File source,
                          boolean flipped,
                          int filter)
                   throws java.io.IOException

Get a texture from a specific file

Parameters:

source - The file to load the texture from

flipped - True if we should flip the texture on the y axis while loading

filter - The filter to use

Returns:

The texture loaded

Throws:

java.io.IOException - Indicates a failure to load the image

getTexture

public Texture getTexture(java.io.File source,
                          boolean flipped,
                          int filter,
                          int[] transparent)
                   throws java.io.IOException

Get a texture from a specific file

Parameters:

source - The file to load the texture from

flipped - True if we should flip the texture on the y axis while loading

filter - The filter to use

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

Returns:

The texture loaded

Throws:

java.io.IOException - Indicates a failure to load the image

getTexture

public Texture getTexture(java.lang.String resourceName,
                          boolean flipped,
                          int filter)
                   throws java.io.IOException

Get a texture from a resource location

Parameters:

resourceName - The location to load the texture from

flipped - True if we should flip the texture on the y axis while loading

filter - The filter to use when scaling the texture

Returns:

The texture loaded

Throws:

java.io.IOException - Indicates a failure to load the image

getTexture

public Texture getTexture(java.lang.String resourceName,
                          boolean flipped,
                          int filter,
                          int[] transparent)
                   throws java.io.IOException

Get a texture from a resource location

Parameters:

resourceName - The location to load the texture from

flipped - True if we should flip the texture on the y axis while loading

filter - The filter to use when scaling the texture

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

Returns:

The texture loaded

Throws:

java.io.IOException - Indicates a failure to load the image

getTexture

public Texture getTexture(java.io.InputStream in,
                          java.lang.String resourceName,
                          boolean flipped,
                          int filter)
                   throws java.io.IOException

Get a texture from a image file

Parameters:

in - The stream from which we can load the image

resourceName - The name to give this image in the internal cache

flipped - True if we should flip the image on the y-axis while loading

filter - The filter to use when scaling the texture

Returns:

The texture loaded

Throws:

java.io.IOException - Indicates a failure to load the image

getTexture

public TextureImpl getTexture(java.io.InputStream in,
                              java.lang.String resourceName,
                              boolean flipped,
                              int filter,
                              int[] transparent)
                       throws java.io.IOException

Get a texture from a image file

Parameters:

in - The stream from which we can load the image

resourceName - The name to give this image in the internal cache

flipped - True if we should flip the image on the y-axis while loading

filter - The filter to use when scaling the texture

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

Returns:

The texture loaded

Throws:

java.io.IOException - Indicates a failure to load the image

createTexture

public Texture createTexture(int width,
                             int height)
                      throws java.io.IOException

Create an empty texture

Parameters:

width - The width of the new texture

height - The height of the new texture

Returns:

The created empty texture

Throws:

java.io.IOException - Indicates a failure to create the texture on the graphics hardware

createTexture

public Texture createTexture(int width,
                             int height,
                             int filter)
                      throws java.io.IOException

Create an empty texture

Parameters:

width - The width of the new texture

height - The height of the new texture

Returns:

The created empty texture

Throws:

java.io.IOException - Indicates a failure to create the texture on the graphics hardware

getTexture

public Texture getTexture(ImageData dataSource,
                          int filter)
                   throws java.io.IOException

Get a texture from a image file

Parameters:

dataSource - The image data to generate the texture from

filter - The filter to use when scaling the texture

Returns:

The texture created

Throws:

java.io.IOException - Indicates the texture is too big for the hardware

get2Fold

public static int get2Fold(int fold)

Get the closest greater power of 2 to the fold number

Parameters:

fold - The target number

Returns:

The power of 2

createIntBuffer

public static java.nio.IntBuffer createIntBuffer(int size)

Creates an integer buffer to hold specified ints - strictly a utility method

Parameters:

size - how many int to contain

Returns:

created IntBuffer

reload

public void reload()

Reload all the textures loaded in this loader

reload

public int reload(TextureImpl texture,
                  int srcPixelFormat,
                  int componentCount,
                  int minFilter,
                  int magFilter,
                  java.nio.ByteBuffer textureBuffer)

Reload a given texture blob

Parameters:

texture - The texture being reloaded

srcPixelFormat - The source pixel format

componentCount - The component count

minFilter - The minification filter

magFilter - The magnification filter

textureBuffer - The pixel data

Returns:

The ID of the newly created texture