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/*
* Copyright (c) 2005 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
* ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
* DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*
* Sun gratefully acknowledges that this software was originally authored
* and developed by Kenneth Bradley Russell and Christopher John Kline.
*/
package com.jogamp.opengl.util.texture.spi;
import java.io.*;
import java.net.*;
import javax.media.opengl.GLProfile;
import com.jogamp.opengl.util.texture.*;
/** Plug-in interface to TextureIO to support reading OpenGL textures
from new file formats. For all methods, either internalFormat or
pixelFormat may be 0 in which case they must be inferred as
e.g. RGB or RGBA depending on the file contents.
*/
public interface TextureProvider {
/**
* Produces a TextureData object from a file, or returns null if the
* file format was not supported by this TextureProvider. Does not
* do any OpenGL-related work. The resulting TextureData can be
* converted into an OpenGL texture in a later step.
*
* @param glp the OpenGL Profile this texture data should be
* created for.
* @param file the file from which to read the texture data
*
* @param internalFormat the OpenGL internal format to be used for
* the texture, or 0 if it should be inferred
* from the file's contents
*
* @param pixelFormat the OpenGL pixel format to be used for
* the texture, or 0 if it should be inferred
* from the file's contents
*
* @param mipmap whether mipmaps should be produced for this
* texture either by autogenerating them or
* reading them from the file. Some file formats
* support multiple mipmaps in a single file in
* which case those mipmaps will be used rather
* than generating them.
*
* @param fileSuffix the file suffix to be used as a hint to the
* provider to more quickly decide whether it
* can handle the file, or null if the
* provider should infer the type from the
* file's contents
*
* @throws IOException if an error occurred while reading the file
*/
public TextureData newTextureData(GLProfile glp, File file,
int internalFormat,
int pixelFormat,
boolean mipmap,
String fileSuffix) throws IOException;
/**
* Produces a TextureData object from a stream, or returns null if
* the file format was not supported by this TextureProvider. Does
* not do any OpenGL-related work. The resulting TextureData can be
* converted into an OpenGL texture in a later step.
*
* @param glp the OpenGL Profile this texture data should be
* created for.
* @param stream the stream from which to read the texture data
*
* @param internalFormat the OpenGL internal format to be used for
* the texture, or 0 if it should be inferred
* from the file's contents
*
* @param pixelFormat the OpenGL pixel format to be used for
* the texture, or 0 if it should be inferred
* from the file's contents
*
* @param mipmap whether mipmaps should be produced for this
* texture either by autogenerating them or
* reading them from the file. Some file formats
* support multiple mipmaps in a single file in
* which case those mipmaps will be used rather
* than generating them.
*
* @param fileSuffix the file suffix to be used as a hint to the
* provider to more quickly decide whether it
* can handle the file, or null if the
* provider should infer the type from the
* file's contents
*
* @throws IOException if an error occurred while reading the stream
*/
public TextureData newTextureData(GLProfile glp, InputStream stream,
int internalFormat,
int pixelFormat,
boolean mipmap,
String fileSuffix) throws IOException;
/**
* Produces a TextureData object from a URL, or returns null if the
* file format was not supported by this TextureProvider. Does not
* do any OpenGL-related work. The resulting TextureData can be
* converted into an OpenGL texture in a later step.
*
* @param glp the OpenGL Profile this texture data should be
* created for.
* @param url the URL from which to read the texture data
*
* @param internalFormat the OpenGL internal format to be used for
* the texture, or 0 if it should be inferred
* from the file's contents
*
* @param pixelFormat the OpenGL pixel format to be used for
* the texture, or 0 if it should be inferred
* from the file's contents
*
* @param mipmap whether mipmaps should be produced for this
* texture either by autogenerating them or
* reading them from the file. Some file formats
* support multiple mipmaps in a single file in
* which case those mipmaps will be used rather
* than generating them.
*
* @param fileSuffix the file suffix to be used as a hint to the
* provider to more quickly decide whether it
* can handle the file, or null if the
* provider should infer the type from the
* file's contents
*
* @throws IOException if an error occurred while reading the URL
*/
public TextureData newTextureData(GLProfile glp, URL url,
int internalFormat,
int pixelFormat,
boolean mipmap,
String fileSuffix) throws IOException;
}
