/**
* Creates this instance's {@link Texture} if the image source is a <code>BufferedImage<code>.
*
* @param dc the current draw context.
*
* @return the newly created texture, or null if the texture was not created.
*
* @throws IllegalStateException if the image source is null or not a <code>BufferedImage</code>.
*/
protected Texture makeBufferedImageTexture(DrawContext dc)
{
if (this.getImageSource() == null || !(this.getImageSource() is BufferedImage))
{
String message = Logging.getMessage("generic.NotABufferedImage");
Logging.logger().severe(message);
throw new IllegalStateException(message);
}
try
{
TextureData td = AWTTextureIO.newTextureData(Configuration.getMaxCompatibleGLProfile(),
(BufferedImage)this.getImageSource(), this.isUseMipMaps());
if (td == null)
{
return(null);
}
this.setTextureData(td);
return(this.makeTextureFromTextureData(dc));
}
catch (Exception e)
{
String msg = Logging.getMessage("generic.IOExceptionDuringTextureInitialization");
Logging.logger().log(java.util.logging.Level.SEVERE, msg, e);
this.textureInitializationFailed = true;
return(null);
}
}
protected Texture initializeTexture(DrawContext dc, Object imageSource)
{
if (dc == null)
{
String message = Logging.getMessage("nullValue.DrawContextIsNull");
Logging.logger().severe(message);
throw new IllegalStateException(message);
}
if (this.textureInitializationFailed)
{
return(null);
}
Texture t;
bool haveMipMapData;
GL gl = dc.getGL();
if (imageSource is String)
{
String path = (String)imageSource;
Object streamOrException = WWIO.getFileOrResourceAsStream(path, this.GetType());
if (streamOrException == null || streamOrException is Exception)
{
Logging.logger().log(java.util.logging.Level.SEVERE, "generic.ExceptionAttemptingToReadImageFile",
streamOrException != null ? streamOrException : path);
this.textureInitializationFailed = true;
return(null);
}
try
{
TextureData td = OGLUtil.newTextureData(gl.getGLProfile(), (InputStream)streamOrException,
this.useMipMaps);
t = TextureIO.newTexture(td);
haveMipMapData = td.getMipmapData() != null;
}
catch (Exception e)
{
String msg = Logging.getMessage("layers.TextureLayer.ExceptionAttemptingToReadTextureFile",
imageSource);
Logging.logger().log(java.util.logging.Level.SEVERE, msg, e);
this.textureInitializationFailed = true;
return(null);
}
}
else if (imageSource is BufferedImage)
{
try
{
TextureData td = AWTTextureIO.newTextureData(gl.getGLProfile(), (BufferedImage)imageSource,
this.useMipMaps);
t = TextureIO.newTexture(td);
haveMipMapData = td.getMipmapData() != null;
}
catch (Exception e)
{
String msg = Logging.getMessage("generic.IOExceptionDuringTextureInitialization");
Logging.logger().log(java.util.logging.Level.SEVERE, msg, e);
this.textureInitializationFailed = true;
return(null);
}
}
else if (imageSource is URL)
{
try
{
InputStream stream = ((URL)imageSource).openStream();
if (stream == null)
{
Logging.logger().log(java.util.logging.Level.SEVERE, "generic.ExceptionAttemptingToReadImageFile",
imageSource);
this.textureInitializationFailed = true;
return(null);
}
TextureData td = OGLUtil.newTextureData(gl.getGLProfile(), stream, this.useMipMaps);
t = TextureIO.newTexture(td);
haveMipMapData = td.getMipmapData() != null;
}
catch (Exception e)
{
String msg = Logging.getMessage("layers.TextureLayer.ExceptionAttemptingToReadTextureFile",
imageSource);
Logging.logger().log(java.util.logging.Level.SEVERE, msg, e);
this.textureInitializationFailed = true;
return(null);
}
}
else
{
Logging.logger().log(java.util.logging.Level.SEVERE, "generic.UnrecognizedImageSourceType",
imageSource.GetType().Name);
this.textureInitializationFailed = true;
return(null);
}
if (t == null) // In case JOGL TextureIO returned null
{
Logging.logger().log(java.util.logging.Level.SEVERE, "generic.TextureUnreadable",
imageSource is String ? imageSource : imageSource.GetType().Name);
this.textureInitializationFailed = true;
return(null);
}
// Textures with the same path are assumed to be identical textures, so key the texture id off the
// image source.
dc.getTextureCache().put(imageSource, t);
t.bind(gl);
// Enable the appropriate mip-mapping texture filters if the caller has specified that mip-mapping should be
// enabled, and the texture itself supports mip-mapping.
bool useMipMapFilter = this.useMipMaps && (haveMipMapData || t.isUsingAutoMipmapGeneration());
gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER,
useMipMapFilter ? GL.GL_LINEAR_MIPMAP_LINEAR : GL.GL_LINEAR);
gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR);
gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE);
gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE);
if (this.isUseAnisotropy() && useMipMapFilter)
{
double maxAnisotropy = dc.getGLRuntimeCapabilities().getMaxTextureAnisotropy();
if (dc.getGLRuntimeCapabilities().isUseAnisotropicTextureFilter() && maxAnisotropy >= 2.0)
{
gl.glTexParameterf(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAX_ANISOTROPY_EXT, (float)maxAnisotropy);
}
}
this.width = t.getWidth();
this.height = t.getHeight();
this.texCoords = t.getImageTexCoords();
return(t);
}
