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/*
* Copyright 2012 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions 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.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.metsci.glimpse.jogamp.opengl.util.awt.text;
import javax.media.opengl.GL;
import javax.media.opengl.GL2;
import javax.media.opengl.GL3;
/**
* Two-dimensional, grayscale OpenGL texture.
*/
final class GrayTexture2D extends Texture2D
{
/**
* Creates a two-dimensional, grayscale texture.
*
* @param gl Current OpenGL context
* @param width Size of texture on X axis
* @param height Size of texture on Y axis
* @param smooth True to interpolate samples
* @param mipmap True for high quality
* @throws NullPointerException if context is null
* @throws IllegalArgumentException if width or height is negative
*/
GrayTexture2D( /*@Nonnull*/ final GL gl, /*@Nonnegative*/ final int width, /*@Nonnegative*/ final int height, final boolean smooth, final boolean mipmap )
{
super( gl, width, height, smooth, mipmap );
}
@Override
protected int getFormat( /*@Nonnull*/ final GL gl )
{
Check.notNull( gl, "GL cannot be null" );
return gl.getGLProfile( ).isGL2( ) ? GL2.GL_LUMINANCE : GL3.GL_RED;
}
@Override
protected int getInternalFormat( /*@Nonnull*/ final GL gl )
{
Check.notNull( gl, "GL cannot be null" );
return gl.getGLProfile( ).isGL2( ) ? GL2.GL_INTENSITY : GL3.GL_RED;
}
}
