/*
*
*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program 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.
*
* This program 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 at /legal/license.txt).
*
* 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 or visit www.sun.com if you need additional
* information or have any questions.
*/
package com.sun.perseus.model;
import com.sun.perseus.j2d.Box;
import com.sun.perseus.j2d.GraphicsProperties;
import com.sun.perseus.j2d.PaintTarget;
import com.sun.perseus.j2d.RasterImage;
import com.sun.perseus.j2d.RenderGraphics;
import com.sun.perseus.j2d.Tile;
import com.sun.perseus.j2d.Transform;
import com.sun.perseus.util.SVGConstants;
import com.sun.perseus.util.RunnableQueue;
import com.sun.perseus.util.RunnableQueue.RunnableHandler;
import org.w3c.dom.DOMException;
/**
* This class models the SVG Tiny <code><image></code>.
*
* A value of 0 on the width and height attributes disables the
* rendering of the Image object. Negative width or height values
* on the <code>ImageNode</code> are illegal.
*
* If the referenced <code>Image</code> is null, this node will draw
* a gray box using the current fill value
*
* @version $Id: ImageNode.java,v 1.17 2006/06/29 10:47:32 ln156897 Exp $
*/
public class ImageNode extends AbstractRenderingNode
implements RasterImageConsumer {
/**
* width and height are required on <image>
*/
static final String[] REQUIRED_TRAITS
= {SVGConstants.SVG_WIDTH_ATTRIBUTE,
SVGConstants.SVG_HEIGHT_ATTRIBUTE};
/**
* xlink:href is required on <image>
*/
static final String[][] REQUIRED_TRAITS_NS
= { {SVGConstants.XLINK_NAMESPACE_URI,
SVGConstants.SVG_HREF_ATTRIBUTE} };
/**
* The viewport defined by the image element
*/
protected float x, y, width, height;
/**
* The painted Image. The image is built from the
* href attribute.
*/
protected RasterImage image;
/**
* Controls whether the image has been loaded or
* not.
*/
protected boolean imageLoaded;
/**
* The reference to the image data. This can be using
* base64 PNG or JPEG encoding or an absolute or relative
* URI.
*/
protected String href;
/**
* The absolute URI is computed from the href and the
* node's base URI.
*/
protected String absoluteURI;
/**
* Controls whether the image is aligned in the viewport
* or if it is just scaled to the viewport.
*/
protected int align = StructureNode.ALIGN_XMIDYMID;
/**
* Constant used to identify broken URI values
*/
protected static final String BROKEN_URI = "broken uri";
// =========================================================================
// Image specific
// =========================================================================
/**
* Constructor.
*
* @param ownerDocument this element's owner <code>DocumentNode</code>
*/
public ImageNode(final DocumentNode ownerDocument) {
super(ownerDocument);
image = ownerDocument.getImageLoader().getLoadingImage();
// Initially, the image's width and height are zero, so we
// set the corresponding bits accordingly.
canRenderState |= CAN_RENDER_ZERO_WIDTH_BIT;
canRenderState |= CAN_RENDER_ZERO_HEIGHT_BIT;
}
/**
* @return the SVGConstants.SVG_IMAGE_TAG value
*/
public String getLocalName() {
return SVGConstants.SVG_IMAGE_TAG;
}
/**
* Used by <code>DocumentNode</code> to create a new instance from
* a prototype <code>ImageNode</code>.
*
* @param doc the <code>DocumentNode</code> for which a new node is
* should be created.
* @return a new <code>ImageNode</code> for the requested document.
*/
public ElementNode newInstance(final DocumentNode doc) {
return new ImageNode(doc);
}
/**
* Computes the rendering tile for the given set of GraphicsProperties.
*
* @param tile the Tile instance whose bounds should be set.
* @param t the Transform to the requested tile space, from this node's user
* space.
* @param gp the <code>GraphicsProperties</code> for which the tile
* should be computed.
* @return the screen bounding box when this node is rendered with the
* given render context.
*/
protected void computeRenderingTile(final Tile tile,
final Transform t,
final GraphicsProperties gp) {
tile.snapBox(addNodeBBox(null, t));
}
/**
* @param newX the new position of this image's upper left
* corner on the x-axis
*/
public void setX(final float newX) {
if (newX == x) {
return;
}
modifyingNode();
renderingDirty();
this.x = newX;
modifiedNode();
}
/**
* @param newY the new postion of this image's upper left
* corner on the y-axis
*/
public void setY(final float newY) {
if (newY == y) {
return;
}
modifyingNode();
renderingDirty();
this.y = newY;
modifiedNode();
}
/**
* @return this image's upper left corner position on the x-axis
*/
public float getX() {
return x;
}
/**
* @return this image's upper left corner position on the y-axis
*/
public float getY() {
return y;
}
/**
* @param newWidth this node's new width. Should be strictly positive
*/
public void setWidth(final float newWidth) {
if (newWidth < 0) {
throw new IllegalArgumentException();
}
if (newWidth == width) {
return;
}
modifyingNode();
renderingDirty();
this.width = newWidth;
computeCanRenderWidthBit(width);
modifiedNode();
}
/**
* @return this node's width
*/
public float getWidth() {
return width;
}
/**
* @param newHeight the new height for this image's node
* Should be strictly positive.
*/
public void setHeight(final float newHeight) {
if (newHeight < 0) {
throw new IllegalArgumentException();
}
if (newHeight == height) {
return;
}
modifyingNode();
renderingDirty();
this.height = newHeight;
computeCanRenderHeightBit(height);
modifiedNode();
}
/**
* @return this image's height
*/
public float getHeight() {
return height;
}
/**
* Sets this node's parent but does not generate change
* events.
*
* @param newParent the node's new parent node.
*/
protected void setParentQuiet(final ModelNode newParent) {
super.setParentQuiet(newParent);
// Reset the image if this node has a different parent that
// impacts the computation of the absoluteURI
if (href != null && !href.equals(absoluteURI)) {
willNeedImage();
}
}
/**
* @param newHref the new reference for this node's image.
* @throws IllegalArgumentException if the href cannot be resolved
* into an absoluteURI and paintNeedsLoad is set to true.
*/
public void setHref(final String newHref) {
if (newHref == null) {
throw new IllegalArgumentException();
}
if (equal(newHref, href)) {
return;
}
modifyingNode();
renderingDirty();
this.href = newHref;
this.image = ownerDocument.getImageLoader().getLoadingImage();
ownerDocument.getImageLoader().removeRasterImageConsumer(absoluteURI,
this);
this.absoluteURI = null;
this.imageLoaded = false;
// Only declare the new URI to load if this node is
// part of the document tree and if its href is set
// to a non-null value.
if (isInDocumentTree() && href != null) {
willNeedImage();
}
modifiedNode();
}
/**
* Implementation. Declares to the ImageLoader that an image will be
* needed.
*/
void willNeedImage() {
imageLoaded = false;
image = ownerDocument.getImageLoader().getLoadingImage();
absoluteURI
= ownerDocument.getImageLoader().resolveURI(href, getURIBase());
if (absoluteURI == null) {
if (paintNeedsLoad) {
throw new IllegalArgumentException();
} else {
absoluteURI = BROKEN_URI;
imageLoaded = true;
image = ownerDocument.getImageLoader().getBrokenImage();
return;
}
} else {
ownerDocument.getImageLoader().addRasterImageConsumer(absoluteURI,
this);
ownerDocument.getImageLoader().needsURI(absoluteURI);
}
}
/**
* @return this node's image reference. This should be a URI
*/
public String getHref() {
return href;
}
/**
* @return this node's <tt>Image</tt> resource. May be null
* in case no uri has been set or if loading the
* image data failed.
*/
public RasterImage getImage() {
return image;
}
/**
* Sets the node's image if the computed absolute URI
* is equal to the input uri.
*
* @param image the new node image. Should not be null.
* @param uri the uri <code>image</code> corresponds to. This is
* passed in case the node's uri changed between a call
* to the <code>ImageLoader</code>'s <code>needsURI</code>
* and a call to <code>setImage</code>.
*/
public void setImage(final RasterImage image, final String uri) {
// This is done to handle situations where the href/parent
// or other change occur while the image is loading.
if (absoluteURI != null && absoluteURI.equals(uri)) {
if (this.image != image) {
modifyingNode();
this.image = image;
modifiedNode();
}
}
}
/**
* @return the associated RunnableQueue. If not null, setImage should
* be called from within the runnable queue.
*/
public RunnableQueue getUpdateQueue() {
return ownerDocument.getUpdateQueue();
}
/**
* @return the associated RunnableHandler, in case the associated
* RunnableQueue is not null.
*/
public RunnableHandler getRunnableHandler() {
return ownerDocument.getRunnableHandler();
}
/**
* @param newAlign one of StructureNode.ALIGN_NONE or
* StructureNode.ALIGN_XMIDYMID
*/
public void setAlign(final int newAlign) {
if (newAlign == align) {
return;
}
modifyingNode();
this.align = newAlign;
modifiedNode();
}
/**
* @return the image's align property
* @see StructureNode#ALIGN_NONE
* @see StructureNode#ALIGN_XMIDYMID
*/
public int getAlign() {
return align;
}
/**
* Paints this node into the input RenderGraphics.
*
* @param rg this node is painted into this <tt>RenderGraphics</tt>
* @param gp the <code>GraphicsProperties</code> controlling the operation's
* rendering
* @param pt the <code>PaintTarget</code> for the paint operation.
* @param txf the <code>Transform</code> from user space to device space for
* the paint operation.
*/
void paintRendered(final RenderGraphics rg,
final GraphicsProperties gp,
final PaintTarget pt,
final Transform tx) {
if (!gp.getVisibility()) {
return;
}
rg.setTransform(tx);
rg.setOpacity(getOpacity());
if (!imageLoaded) {
loadImage();
}
//
// Scale the image so that it fits into width/height
// and is centered
//
int iw = image.getWidth();
int ih = image.getHeight();
if (align == StructureNode.ALIGN_NONE) {
rg.drawImage(image, x, y, width, height);
} else {
float ws = width / iw;
float hs = height / ih;
float is = ws;
if (hs < ws) {
is = hs;
}
float oh = ih * is;
float ow = iw * is;
float dx = (width - ow) / 2;
float dy = (height - oh) / 2;
rg.drawImage(image, (x + dx), (y + dy), ow, oh);
}
}
/**
* Implementation. Loads the image through the ownerDocument's
* ImageLoader. If this image's paintNeedsLoad is true, this
* will block until the image data has been retrieved. Otherwise,
* a request to asynchronously load the image is placed.
*/
public void loadImage() {
// Note that if absoluteURI is null, it is because either href is null
// or this node is not hooked into the tree. In these cases, we stick
// to the loadingImage
if (absoluteURI != null) {
if (paintNeedsLoad) {
image = ownerDocument.getImageLoader()
.getImageAndWait(absoluteURI);
if (image == ownerDocument.getImageLoader().getBrokenImage()) {
throw new IllegalStateException();
}
} else {
ownerDocument.getImageLoader().getImageLater(absoluteURI, this);
}
}
imageLoaded = true;
}
/**
* An <code>ImageNode</code> has something to render
*
* @return true
*/
public boolean hasNodeRendering() {
return true;
}
/**
* Returns true if this node is hit by the input point. The input point
* is in viewport space.
*
* @param pt the x/y coordinate. Should never be null and be
* of size two. If not, the behavior is unspecified.
* The x/y coordinate is in viewport space.
*
* @return true if the node is hit by the input point.
* @see #nodeHitAt
*/
protected boolean isHitVP(float[] pt) {
if (!getVisibility()) {
return false;
}
getInverseTransformState().transformPoint(pt, ownerDocument.upt);
pt = ownerDocument.upt;
return (pt[0] > x && pt[0] < (x + width)
&& pt[1] > y && pt[1] < (y + height));
}
/**
* Returns true if the proxy node is hit by the input point. The input point
* is in viewport space.
*
* @param pt the x/y coordinate. Should never be null and be
* of size two. If not, the behavior is unspecified.
* The x/y coordinate is in viewport space.
* @param proxy the tested <code>ElementNodeProxy</code>.
* @return true if the node is hit by the input point.
* @see #nodeHitAt
*/
protected boolean isProxyHitVP(float[] pt,
AbstractRenderingNodeProxy proxy) {
proxy.getInverseTransformState().transformPoint(pt, ownerDocument.upt);
pt = ownerDocument.upt;
return (pt[0] > x && pt[0] < (x + width)
&& pt[1] > y && pt[1] < (y + height));
}
/**
* Supported traits: x, y, width, height
*
* @param traitName the name of the trait which the element may support.
* @return true if this element supports the given trait in one of the
* trait accessor methods.
*/
boolean supportsTrait(final String traitName) {
if (SVGConstants.SVG_X_ATTRIBUTE == traitName
||
SVGConstants.SVG_Y_ATTRIBUTE == traitName
||
SVGConstants.SVG_WIDTH_ATTRIBUTE == traitName
||
SVGConstants.SVG_HEIGHT_ATTRIBUTE == traitName
||
SVGConstants.SVG_PRESERVE_ASPECT_RATIO_ATTRIBUTE == traitName) {
return true;
} else {
return super.supportsTrait(traitName);
}
}
/**
* @return an array of traits that are required by this element.
*/
public String[] getRequiredTraits() {
return REQUIRED_TRAITS;
}
/**
* @return an array of namespaceURI, localName trait pairs required by
* this element.
*/
public String[][] getRequiredTraitsNS() {
return REQUIRED_TRAITS_NS;
}
/**
* Supported traits: xlink:href
*
* @param namespaceURI the trait's namespace.
* @param traitName the name of the trait which the element may support.
* @return true if this element supports the given trait in one of the
* trait accessor methods.
*/
boolean supportsTraitNS(final String namespaceURI,
final String traitName) {
if (SVGConstants.XLINK_NAMESPACE_URI == namespaceURI
&&
SVGConstants.SVG_HREF_ATTRIBUTE == traitName) {
return true;
} else {
return super.supportsTraitNS(namespaceURI, traitName);
}
}
/**
* ImageNode handles x, y, width and height traits.
* Other traits are handled by the super class.
*
* @param name the requested trait's name.
* @return the requested trait's value.
*
* @throws DOMException with error code NOT_SUPPORTED_ERROR if the requested
* trait is not supported on this element or null.
* @throws DOMException with error code TYPE_MISMATCH_ERR if requested
* trait's computed value cannot be converted to a String (SVG Tiny only).
*/
public String getTraitImpl(final String name)
throws DOMException {
if (SVGConstants.SVG_X_ATTRIBUTE == name) {
return Float.toString(getX());
} else if (SVGConstants.SVG_Y_ATTRIBUTE == name) {
return Float.toString(getY());
} else if (SVGConstants.SVG_WIDTH_ATTRIBUTE == name) {
return Float.toString(getWidth());
} else if (SVGConstants.SVG_HEIGHT_ATTRIBUTE == name) {
return Float.toString(getHeight());
} else if (SVGConstants.SVG_PRESERVE_ASPECT_RATIO_ATTRIBUTE == name) {
return alignToStringTrait(align);
} else {
return super.getTraitImpl(name);
}
}
/**
* ImageNode handles the xlink href attribute
*
* @param namespaceURI the requested trait's namespace URI.
* @param name the requested trait's local name (i.e., un-prefixed, as
* "href")
* @return the requested trait's string value.
*
* @throws DOMException with error code NOT_SUPPORTED_ERROR if the requested
* trait is not supported on this element or null.
* @throws DOMException with error code TYPE_MISMATCH_ERR if requested
* trait's computed value cannot be converted to a String (SVG Tiny
* only).
* @throws SecurityException if the application does not have the necessary
* privilege rights to access this (SVG) content.
*/
String getTraitNSImpl(String namespaceURI, String name)
throws DOMException {
if (SVGConstants.XLINK_NAMESPACE_URI == namespaceURI
&&
SVGConstants.SVG_HREF_ATTRIBUTE == name) {
if (href == null) {
return "";
}
return href;
} else {
return super.getTraitNSImpl(namespaceURI, name);
}
}
/**
* ImageNode handles x, y, width and height traits.
* Other attributes are handled by the super class.
*
* @param name the requested trait name.
* @param the requested trait's floating point value.
*
* @throws DOMException with error code NOT_SUPPORTED_ERROR if the requested
* trait is not supported on this element or null.
* @throws DOMException with error code TYPE_MISMATCH_ERR if requested
* trait's computed value cannot be converted to a float
* @throws SecurityException if the application does not have the necessary
* privilege rights to access this (SVG) content.
*/
float getFloatTraitImpl(final String name)
throws DOMException {
if (SVGConstants.SVG_X_ATTRIBUTE == name) {
return getX();
} else if (SVGConstants.SVG_Y_ATTRIBUTE == name) {
return getY();
} else if (SVGConstants.SVG_WIDTH_ATTRIBUTE == name) {
return getWidth();
} else if (SVGConstants.SVG_HEIGHT_ATTRIBUTE == name) {
return getHeight();
} else {
return super.getFloatTraitImpl(name);
}
}
/**
* @param traitName the trait name.
*/
TraitAnim createTraitAnimImpl(final String traitName) {
if (SVGConstants.SVG_X_ATTRIBUTE == traitName
||
SVGConstants.SVG_Y_ATTRIBUTE == traitName
||
SVGConstants.SVG_WIDTH_ATTRIBUTE == traitName
||
SVGConstants.SVG_HEIGHT_ATTRIBUTE == traitName) {
return new FloatTraitAnim(this, traitName, TRAIT_TYPE_FLOAT);
} else if (SVGConstants.SVG_PRESERVE_ASPECT_RATIO_ATTRIBUTE
== traitName) {
return new StringTraitAnim(this, NULL_NS, traitName);
} else {
return super.createTraitAnimImpl(traitName);
}
}
/**
* @param traitName the trait name.
* @param traitNamespace the trait's namespace. Should not be null.
*/
TraitAnim createTraitAnimNSImpl(final String traitNamespace,
final String traitName) {
if (traitNamespace == SVGConstants.XLINK_NAMESPACE_URI
&&
traitName == SVGConstants.SVG_HREF_ATTRIBUTE) {
return new StringTraitAnim(this, traitNamespace, traitName);
}
return super.createTraitAnimNSImpl(traitNamespace, traitName);
}
/**
* Set the trait value as float.
*
* @param name the trait's name.
* @param value the trait's value.
*
* @throws DOMException with error code NOT_SUPPORTED_ERROR if the requested
* trait is not supported on this element.
* @throws DOMException with error code TYPE_MISMATCH_ERR if the requested
* trait's value cannot be specified as a float
* @throws DOMException with error code INVALID_ACCESS_ERR if the input
* value is an invalid value for the given trait.
*/
void setFloatArrayTrait(final String name, final float[][] value)
throws DOMException {
if (SVGConstants.SVG_X_ATTRIBUTE == name) {
setX(value[0][0]);
} else if (SVGConstants.SVG_Y_ATTRIBUTE == name) {
setY(value[0][0]);
} else if (SVGConstants.SVG_WIDTH_ATTRIBUTE == name) {
checkPositive(name, value[0][0]);
setWidth(value[0][0]);
} else if (SVGConstants.SVG_HEIGHT_ATTRIBUTE == name) {
checkPositive(name, value[0][0]);
setHeight(value[0][0]);
} else {
super.setFloatArrayTrait(name, value);
}
}
/**
* Validates the input trait value.
*
* @param traitName the name of the trait to be validated.
* @param value the value to be validated
* @param reqNamespaceURI the namespace of the element requesting
* validation.
* @param reqLocalName the local name of the element requesting validation.
* @param reqTraitNamespace the namespace of the trait which has the values
* value on the requesting element.
* @param reqTraitName the name of the trait which has the values value on
* the requesting element.
* @throws DOMException with error code INVALID_ACCESS_ERR if the input
* value is incompatible with the given trait.
*/
public float[][] validateFloatArrayTrait(
final String traitName,
final String value,
final String reqNamespaceURI,
final String reqLocalName,
final String reqTraitNamespace,
final String reqTraitName) throws DOMException {
if (SVGConstants.SVG_X_ATTRIBUTE == traitName
||
SVGConstants.SVG_Y_ATTRIBUTE == traitName) {
return new float[][]{{parseFloatTrait(traitName, value)}};
} else if (SVGConstants.SVG_WIDTH_ATTRIBUTE == traitName
||
SVGConstants.SVG_HEIGHT_ATTRIBUTE == traitName) {
return new float[][] {{parsePositiveFloatTrait(traitName, value)}};
} else {
return super.validateFloatArrayTrait(traitName,
value,
reqNamespaceURI,
reqLocalName,
reqTraitNamespace,
reqTraitName);
}
}
/**
* Validates the input trait value.
*
* @param namespaceURI the trait's namespace URI.
* @param traitName the name of the trait to be validated.
* @param value the value to be validated
* @param reqNamespaceURI the namespace of the element requesting
* validation.
* @param reqLocalName the local name of the element requesting validation.
* @param reqTraitNamespace the namespace of the trait which has the values
* value on the requesting element.
* @param reqTraitName the name of the trait which has the values value on
* the requesting element.
* @throws DOMException with error code INVALID_ACCESS_ERR if the input
* value is incompatible with the given trait.
*/
String validateTraitNS(final String namespaceURI,
final String traitName,
final String value,
final String reqNamespaceURI,
final String reqLocalName,
final String reqTraitNamespace,
final String reqTraitName) throws DOMException {
if (namespaceURI != null) {
return super.validateTraitNS(namespaceURI,
traitName,
value,
reqNamespaceURI,
reqLocalName,
reqTraitNamespace,
reqTraitName);
}
if (SVGConstants.SVG_PRESERVE_ASPECT_RATIO_ATTRIBUTE
.equals(traitName)) {
if (!SVGConstants
.SVG_SVG_PRESERVE_ASPECT_RATIO_DEFAULT_VALUE.equals(value)
&&
!SVGConstants.SVG_NONE_VALUE.equals(value)) {
throw illegalTraitValue(traitName, value);
}
return value;
} else {
return super.validateTraitNS(namespaceURI,
traitName,
value,
reqNamespaceURI,
reqLocalName,
reqTraitNamespace,
reqTraitName);
}
}
/**
* ImageNode handles x, y, rx, ry, width and height traits.
* Other traits are handled by the super class.
*
* @param name the trait's name.
* @param value the new trait string value.
*
* @throws DOMException with error code NOT_SUPPORTED_ERROR if the requested
* trait is not supported on this element or null.
* @throws DOMException with error code TYPE_MISMATCH_ERR if the requested
* trait's value cannot be specified as a String
* @throws DOMException with error code INVALID_ACCESS_ERR if the input
* value is an invalid value for the given trait or null.
* @throws DOMException with error code NO_MODIFICATION_ALLOWED_ERR: if
* attempt is made to change readonly trait.
*/
public void setTraitImpl(final String name, final String value)
throws DOMException {
if (SVGConstants.SVG_X_ATTRIBUTE == name) {
setX(parseFloatTrait(name, value));
} else if (SVGConstants.SVG_Y_ATTRIBUTE == name) {
setY(parseFloatTrait(name, value));
} else if (SVGConstants.SVG_WIDTH_ATTRIBUTE == name) {
setWidth(parsePositiveFloatTrait(name, value));
} else if (SVGConstants.SVG_HEIGHT_ATTRIBUTE == name) {
setHeight(parsePositiveFloatTrait(name, value));
} else if (SVGConstants
.SVG_PRESERVE_ASPECT_RATIO_ATTRIBUTE.equals(name)) {
if (SVGConstants
.SVG_SVG_PRESERVE_ASPECT_RATIO_DEFAULT_VALUE.equals(value)) {
setAlign(StructureNode.ALIGN_XMIDYMID);
} else if (SVGConstants.SVG_NONE_VALUE.equals(value)) {
setAlign(StructureNode.ALIGN_NONE);
} else {
throw illegalTraitValue(name, value);
}
} else {
super.setTraitImpl(name, value);
}
}
/**
* ImageNode supports the xlink:href trait.
*
* @param namespaceURI the trait's namespace.
* @param name the trait's local name (un-prefixed, e.g., "href");
* @param value the new trait value (e.g., "http://www.sun.com/mypng.png")
*
* @throws DOMException with error code NOT_SUPPORTED_ERROR if the requested
* trait is not supported on this element or null.
* @throws DOMException with error code TYPE_MISMATCH_ERR if the requested
* trait's value cannot be specified as a String
* @throws DOMException with error code INVALID_ACCESS_ERR if the input
* value is an invalid value for the given trait or null.
* @throws DOMException with error code NO_MODIFICATION_ALLOWED_ERR: if
* attempt is made to change readonly trait.
* @throws SecurityException if the application does not have the necessary
* privilege rights to access this (SVG) content.
*/
public void setTraitNSImpl(final String namespaceURI,
final String name,
final String value)
throws DOMException {
try {
if (SVGConstants.XLINK_NAMESPACE_URI == namespaceURI
&&
SVGConstants.SVG_HREF_ATTRIBUTE == name) {
setHref(value);
} else {
super.setTraitNSImpl(namespaceURI, name, value);
}
} catch (IllegalArgumentException iae) {
throw illegalTraitValue(name, value);
}
}
/**
* ImageNode handles x, y, rx, ry, width and height traits.
* Other traits are handled by the super class.
*
* @param name the trait's name.
* @param value the new trait's floating point value.
*
* @throws DOMException with error code NOT_SUPPORTED_ERROR if the requested
* trait is not supported on this element.
* @throws DOMException with error code TYPE_MISMATCH_ERR if the requested
* trait's value cannot be specified as a float
* @throws DOMException with error code INVALID_ACCESS_ERR if the input
* value is an invalid value for the given trait.
* @throws SecurityException if the application does not have the necessary
* privilege rights to access this (SVG) content.
*/
public void setFloatTraitImpl(final String name, final float value)
throws DOMException {
try {
if (SVGConstants.SVG_X_ATTRIBUTE == name) {
setX(value);
} else if (SVGConstants.SVG_Y_ATTRIBUTE == name) {
setY(value);
} else if (SVGConstants.SVG_WIDTH_ATTRIBUTE == name) {
setWidth(value);
} else if (SVGConstants.SVG_HEIGHT_ATTRIBUTE == name) {
setHeight(value);
} else {
super.setFloatTraitImpl(name, value);
}
} catch (IllegalArgumentException iae) {
throw illegalTraitValue(name, Float.toString(value));
}
}
/**
* @param name the name of the trait to convert.
* @param value the float trait value to convert.
*/
String toStringTrait(final String name, final float[][] value) {
if (SVGConstants.SVG_X_ATTRIBUTE == name
||
SVGConstants.SVG_Y_ATTRIBUTE == name
||
SVGConstants.SVG_WIDTH_ATTRIBUTE == name
||
SVGConstants.SVG_HEIGHT_ATTRIBUTE == name) {
return Float.toString(value[0][0]);
} else {
return super.toStringTrait(name, value);
}
}
/**
* @param bbox the bounding box to which this node's bounding box should be
* appended. That bounding box is in the target coordinate space. It
* may be null, in which case this node should create a new one.
* @param t the transform from the node coordinate system to the coordinate
* system into which the bounds should be computed.
* @return the bounding box of this node, in the target coordinate space,
*/
Box addNodeBBox(Box bbox,
final Transform t) {
return addTransformedBBox(bbox, x, y, width, height, t);
}
}
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