/**
* Attempts to load the specified filename from the local file system as a dynamic library. The filename argument
* must be a complete path name.
*
* @param pathToLibrary - the file to load
*
* @return TRUE if the file is loadable library
*/
protected bool canLoad(String pathToLibrary)
{
try
{
System.load(pathToLibrary);
return(true);
}
catch (Throwable t)
{
Logging.logger().finest(WWUtil.extractExceptionReason(t));
}
return(false);
}
// protected void doDrawOnTo(BufferedImageRaster canvas)
// {
// Sector sector = this.getSector();
// if (null == sector)
// {
// String message = Logging.getMessage("nullValue.SectorIsNull");
// Logging.logger().severe(message);
// throw new ArgumentException(message);
// }
//
// if (!sector.intersects(canvas.getSector()))
// {
// return;
// }
//
// BufferedImage transformedImage = null;
// java.awt.Graphics2D g2d = null;
// java.awt.Shape prevClip = null;
// java.awt.Composite prevComposite = null;
//
// try
// {
// int canvasWidth = canvas.getWidth();
// int canvasHeight = canvas.getHeight();
//
// // Apply the transform that correctly maps the image onto the canvas.
// java.awt.geom.AffineTransform transform = this.computeSourceToDestTransform(
// this.getWidth(), this.getHeight(), this.getSector(), canvasWidth, canvasHeight, canvas.getSector());
//
// AffineTransformOp op = new AffineTransformOp(transform, AffineTransformOp.TYPE_BILINEAR);
// Rectangle2D rect = op.getBounds2D(this.getBufferedImage());
//
// int clipWidth = (int) Math.Ceiling((rect.getMaxX() >= canvasWidth) ? canvasWidth : rect.getMaxX());
// int clipHeight = (int) Math.Ceiling((rect.getMaxY() >= canvasHeight) ? canvasHeight : rect.getMaxY());
//
// if (clipWidth <= 0 || clipHeight <= 0)
// {
// return;
// }
//
// int transformedImageType = (BufferedImage.TYPE_CUSTOM != this.getBufferedImage().getType())
// ? this.getBufferedImage().getType() : BufferedImage.TYPE_INT_ARGB;
//
// transformedImage = new BufferedImage(clipWidth, clipHeight, transformedImageType);
// op.filter(this.getBufferedImage(), transformedImage);
//
// g2d = canvas.getGraphics();
//
// prevClip = g2d.getClip();
// prevComposite = g2d.getComposite();
//
// // Set the alpha composite for appropriate alpha blending.
// g2d.setComposite(java.awt.AlphaComposite.SrcOver);
// g2d.drawImage(transformedImage, 0, 0, null);
// }
// catch (java.awt.image.ImagingOpException ioe)
// {
// // If we catch a ImagingOpException, then the transformed image has a width or height of 0.
// // This indicates that there is no intersection between the source image and the canvas,
// // or the intersection is smaller than one pixel.
// }
// catch (java.awt.image.RasterFormatException rfe)
// {
// // If we catch a RasterFormatException, then the transformed image has a width or height of 0.
// // This indicates that there is no intersection between the source image and the canvas,
// // or the intersection is smaller than one pixel.
// }
// finally
// {
// // Restore the previous clip, composite, and transform.
// try
// {
// if (null != transformedImage)
// {
// transformedImage.flush();
// }
//
// if (null != g2d)
// {
// if (null != prevClip)
// {
// g2d.setClip(prevClip);
// }
//
// if (null != prevComposite)
// {
// g2d.setComposite(prevComposite);
// }
// }
// }
// catch (Throwable t)
// {
// Logging.logger().log(java.util.logging.Level.FINEST, WWUtil.extractExceptionReason(t), t);
// }
// }
// }
protected void doDrawOnTo(BufferedImageRaster canvas)
{
Sector sector = this.getSector();
if (null == sector)
{
String message = Logging.getMessage("nullValue.SectorIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (!sector.intersects(canvas.getSector()))
{
return;
}
java.awt.Graphics2D g2d = null;
java.awt.Shape prevClip = null;
java.awt.Composite prevComposite = null;
java.lang.Object prevInterpolation = null, prevAntialiasing = null;
try
{
int canvasWidth = canvas.getWidth();
int canvasHeight = canvas.getHeight();
// Apply the transform that correctly maps the image onto the canvas.
java.awt.geom.AffineTransform transform = this.computeSourceToDestTransform(
this.getWidth(), this.getHeight(), this.getSector(), canvasWidth, canvasHeight, canvas.getSector());
AffineTransformOp op = new AffineTransformOp(transform, AffineTransformOp.TYPE_BILINEAR);
Rectangle2D rect = op.getBounds2D(this.getBufferedImage());
int clipWidth = (int)Math.Ceiling((rect.getMaxX() >= canvasWidth) ? canvasWidth : rect.getMaxX());
int clipHeight = (int)Math.Ceiling((rect.getMaxY() >= canvasHeight) ? canvasHeight : rect.getMaxY());
if (clipWidth <= 0 || clipHeight <= 0)
{
return;
}
g2d = canvas.getGraphics();
prevClip = g2d.getClip();
prevComposite = g2d.getComposite();
prevInterpolation = g2d.getRenderingHint(RenderingHints.KEY_INTERPOLATION);
prevAntialiasing = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
// Set the alpha composite for appropriate alpha blending.
g2d.setComposite(java.awt.AlphaComposite.SrcOver);
g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2d.drawImage(this.getBufferedImage(), transform, null);
}
// catch (java.awt.image.ImagingOpException ioe)
// {
// // If we catch a ImagingOpException, then the transformed image has a width or height of 0.
// // This indicates that there is no intersection between the source image and the canvas,
// // or the intersection is smaller than one pixel.
// }
// catch (java.awt.image.RasterFormatException rfe)
// {
// // If we catch a RasterFormatException, then the transformed image has a width or height of 0.
// // This indicates that there is no intersection between the source image and the canvas,
// // or the intersection is smaller than one pixel.
// }
catch (Throwable t)
{
String reason = WWUtil.extractExceptionReason(t);
Logging.logger().log(java.util.logging.Level.SEVERE, reason, t);
}
finally
{
// Restore the previous clip, composite, and transform.
try
{
if (null != g2d)
{
if (null != prevClip)
{
g2d.setClip(prevClip);
}
if (null != prevComposite)
{
g2d.setComposite(prevComposite);
}
if (null != prevInterpolation)
{
g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, prevInterpolation);
}
if (null != prevAntialiasing)
{
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, prevAntialiasing);
}
}
}
catch (Throwable t)
{
Logging.logger().log(java.util.logging.Level.FINEST, WWUtil.extractExceptionReason(t), t);
}
}
}