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/*
* Copyright 1998-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
package javax.media.j3d;
import java.awt.image.BufferedImage;
import java.awt.image.RenderedImage;
/**
* This class defines a 2D image component.
* This is used for texture images, background images and raster components
* of Shape3D nodes.
*/
class ImageComponent2DRetained extends ImageComponentRetained {
ImageComponent2DRetained() {
}
/**
* This method handles NioImageBuffer
* Refers or copies the specified NioImageBuffer to this 2D image component object.
* @param image NioImageBuffer object containing the image.
* The format and size must be the same as the current format in this
* ImageComponent2D object.
*/
void set(NioImageBuffer image) {
int width = image.getWidth();
int height = image.getHeight();
if (!byReference) {
throw new IllegalArgumentException(J3dI18N.getString("ImageComponent2D7"));
}
if (!yUp) {
throw new IllegalArgumentException(J3dI18N.getString("ImageComponent2D8"));
}
if (width != this.width) {
throw new IllegalArgumentException(J3dI18N.getString("ImageComponent2DRetained0"));
}
if (height != this.height) {
throw new IllegalArgumentException(J3dI18N.getString("ImageComponent2DRetained1"));
}
geomLock.getLock();
setImageClass(image);
// This is a byRef image.
setRefImage(image,0);
// Reset this flag to true, incase it was set to false due to
// the previous image type.
abgrSupported = true;
imageTypeIsSupported = isImageTypeSupported(image);
if (imageTypeIsSupported) {
/* Use reference when ( format is OK, Yup is true, and byRef is true). */
// Create image data object with the byRef image. */
imageData = createNioImageBufferDataObject(image);
} else {
// Handle abgrSupported is false case.
imageData = createNioImageBufferDataObject(null);
copyUnsupportedNioImageToImageData(image, 0, 0, 0, 0, width, height, imageData);
}
geomLock.unLock();
if (source.isLive()) {
// send a IMAGE_CHANGED message in order to
// notify all the users of the change
sendMessage(IMAGE_CHANGED, null);
}
}
/**
* This method handles both BufferedImage and RenderedImage
* Copies the specified RenderedImage to this 2D image component object.
* @param image RenderedImage object containing the image.
* The format and size must be the same as the current format in this
* ImageComponent2D object.
*/
void set(RenderedImage image) {
int width = image.getWidth();
int height = image.getHeight();
if (width != this.width) {
throw new IllegalArgumentException(J3dI18N.getString("ImageComponent2DRetained0"));
}
if (height != this.height) {
throw new IllegalArgumentException(J3dI18N.getString("ImageComponent2DRetained1"));
}
setImageClass(image);
geomLock.getLock();
if (byReference) {
setRefImage(image,0);
}
// Reset this flag to true, incase it was set to false due to
// the previous image type.
abgrSupported = true;
imageTypeIsSupported = isImageTypeSupported(image);
if (imageTypeIsSupported) {
if (byReference && yUp) {
/* Use reference when ( format is OK, Yup is true, and byRef is true). */
// System.err.println("ImageComponent2DRetained.set() : (imageTypeSupported && byReference && yUp) --- (1)");
if (image instanceof BufferedImage) {
// Create image data object with the byRef image. */
imageData = createRenderedImageDataObject(image);
}
else {
// System.err.println("byRef and not BufferedImage !!!");
imageData = null;
}
} else {
// Either not byRef or not yUp or not both
// System.err.println("ImageComponent2DRetained.set() : (imageTypeSupported && ((!byReference && yUp) || (imageTypeSupported && !yUp)) --- (2)");
// Create image data object with buffer for image. */
imageData = createRenderedImageDataObject(null);
copySupportedImageToImageData(image, 0, imageData);
}
} else {
// image type is unsupported, need to create a supported local copy.
// TODO : borrow code from JAI to convert to right format.
// System.err.println("ImageComponent2DRetained.set() : (imageTypeSupported == false) --- (4)");
/* Will use the code segment in copy() method */
// Create image data object with buffer for image. */
imageData = createRenderedImageDataObject(null);
copyUnsupportedImageToImageData(image, 0, imageData);
}
geomLock.unLock();
if (source.isLive()) {
// send a IMAGE_CHANGED message in order to
// notify all the users of the change
sendMessage(IMAGE_CHANGED, null);
}
}
void setSubImage(RenderedImage image, int width, int height,
int srcX, int srcY, int dstX, int dstY) {
if (!isSubImageTypeEqual(image)) {
throw new IllegalStateException(
J3dI18N.getString("ImageComponent2D6"));
}
// Can't be byReference
assert (!byReference);
assert (imageData != null);
geomLock.getLock();
if (imageTypeIsSupported) {
// Either not byRef or not yUp or not both
// System.err.println("ImageComponent2DRetained.setSubImage() : (imageTypeSupported ) --- (1)");
if (image instanceof BufferedImage) {
copyImageLineByLine((BufferedImage)image, srcX, srcY, dstX, dstY, 0, width, height, imageData);
}
else {
copySupportedImageToImageData(image, srcX, srcY, dstX, dstY, 0, width, height, imageData);
}
} else {
// image type is unsupported, need to create a supported local copy.
// TODO : Should look into borrow code from JAI to convert to right format.
// System.err.println("ImageComponent2DRetained.setSubImage() : (imageTypeSupported == false) --- (2)");
if (image instanceof BufferedImage) {
copyUnsupportedImageToImageData((BufferedImage)image, srcX, srcY, dstX, dstY, 0, width, height, imageData);
}
else {
copyUnsupportedImageToImageData(image, srcX, srcY, dstX, dstY, 0, width, height, imageData);
}
}
geomLock.unLock();
if (source.isLive()) {
// send a SUBIMAGE_CHANGED message in order to
// notify all the users of the change
ImageComponentUpdateInfo info;
info = new ImageComponentUpdateInfo();
info.x = dstX;
info.y = dstY;
info.z = 0;
info.width = width;
info.height = height;
sendMessage(SUBIMAGE_CHANGED, info);
}
}
/**
* Retrieves a copy of the image in this ImageComponent2D object.
* @return a new RenderedImage object created from the image in this
* ImageComponent2D object
*/
RenderedImage getImage() {
if (isByReference()) {
return (RenderedImage) getRefImage(0);
}
if(imageData != null) {
return imageData.createBufferedImage(0);
}
return null;
}
/**
* Retrieves the reference of the nio image in this ImageComponent2D object.
*/
NioImageBuffer getNioImage() {
if (getImageClass() != ImageComponent.ImageClass.NIO_IMAGE_BUFFER) {
throw new IllegalStateException(J3dI18N.getString("ImageComponent2D9"));
}
assert (byReference == true);
return (NioImageBuffer) getRefImage(0);
}
/**
* Update data.
* x and y specifies the x & y offset of the image data in
* ImageComponent. It assumes that the origin is (0, 0).
*/
void updateData(ImageComponent2D.Updater updater,
int x, int y, int width, int height) {
geomLock.getLock();
// call the user supplied updateData method to update the data
updater.updateData((ImageComponent2D)source, x, y, width, height);
Object refImage = getRefImage(0);
assert (refImage != null);
assert (imageData != null);
// Check is data copied internally.
if(!imageData.isDataByRef()) {
// update the internal copy of the image data if a copy has been
// made
if (imageTypeIsSupported) {
assert !(refImage instanceof NioImageBuffer);
if (refImage instanceof BufferedImage) {
copyImageLineByLine((BufferedImage)refImage, x, y, x, y, 0, width, height, imageData);
} else {
RenderedImage ri = (RenderedImage)refImage;
copySupportedImageToImageData(ri, (x + ri.getMinX()), (y + ri.getMinY()), x, y, 0, width, height, imageData);
}
} else {
// image type is unsupported, need to create a supported local copy.
// TODO : Should look into borrow code from JAI to convert to right format.
if (refImage instanceof BufferedImage) {
copyUnsupportedImageToImageData((BufferedImage)refImage, x, y, x, y, 0, width, height, imageData);
} else if (refImage instanceof RenderedImage) {
RenderedImage ri = (RenderedImage)refImage;
copyUnsupportedImageToImageData(ri, (x + ri.getMinX()), (y + ri.getMinY()), x, y, 0, width, height, imageData);
} else if (refImage instanceof NioImageBuffer) {
copyUnsupportedNioImageToImageData((NioImageBuffer)refImage, x, y, x, y, width, height, imageData);
} else {
assert false;
}
}
}
geomLock.unLock();
if (source.isLive()) {
// send a SUBIMAGE_CHANGED message in order to
// notify all the users of the change
ImageComponentUpdateInfo info;
info = new ImageComponentUpdateInfo();
info.x = x;
info.y = y;
info.z = 0;
info.width = width;
info.height = height;
sendMessage(SUBIMAGE_CHANGED, info);
}
}
@Override
void clearLive(int refCount) {
super.clearLive(refCount);
}
}
