下面列出了怎么用org.w3c.dom.svg.SVGDocument的API类实例代码及写法，或者点击链接到github查看源代码。
/**
* Export component to pdf format
* @param component Component
* @param bounds Rectangle
* @param exportFile Export file
* @throws IOException
* @throws TranscoderException
*/
private static void exportSVG(Component component, Rectangle bounds, File exportFile) throws IOException, TranscoderException {
DOMImplementation domImplementation = SVGDOMImplementation.getDOMImplementation();
String svgNS = "http://www.w3.org/2000/svg";
SVGDocument svgDocument = (SVGDocument) domImplementation.createDocument(svgNS, "svg", null);
SVGGraphics2D svgGraphics2D = new SVGGraphics2D(svgDocument);
svgGraphics2D.setSVGCanvasSize(bounds.getSize());
component.paintAll(svgGraphics2D);
if (new File(exportFile.getAbsolutePath() + ".temp").exists()) {
new File(exportFile.getAbsolutePath() + ".temp").delete();
}
OutputStream outputStream = new FileOutputStream(exportFile);
BufferedOutputStream bos = new BufferedOutputStream(outputStream);
Writer out = new OutputStreamWriter(bos, "UTF-8");
svgGraphics2D.stream(out, true);
outputStream.flush();
outputStream.close();
out.close();
bos.close();
}
/**
* Adds the href elements and click events
*
* @param targetMap
* the target svg
* @param featureElement
* the svg element to manage
* @param elementId
* the svg element id
* @param drillId
* the drill id
* @param linkUrl
* the link url
* @param linkType
* the link type ('cross' or 'drill')
*
*/
private void addHRefLinksCross(SVGDocument targetMap, Element featureElement, JSONArray JSONValues, JSONArray JSONCross,
IDataMartProvider datamatProvider) {
logger.debug("IN");
Element linkCrossElement = targetMap.createElement("a");
linkCrossElement.setAttribute("xlink:href", "javascript:void(0)");
if (featureElement.hasAttribute("style")) {
String elementStyle = featureElement.getAttribute("style");
elementStyle = elementStyle + ";cursor:pointer";
featureElement.setAttribute("style", elementStyle);
} else {
featureElement.setAttribute("style", "cursor:pointer");
}
featureElement.setAttribute("onclick", "javascript:clickedElementCrossNavigation('" + JSONValues.toString() + "', '" + JSONCross.toString() + "')");
logger.debug("OUT");
}
/**
* Import scripts.
*
* @param doc
* the doc
*/
private void importScripts(SVGDocument doc) {
importScipt(doc, "helper_functions.js");
importScipt(doc, "timer.js");
importScipt(doc, "mapApp.js");
importScipt(doc, "timer.js");
importScipt(doc, "slider.js");
importScipt(doc, "button.js");
importScipt(doc, "Window.js");
importScipt(doc, "checkbox_and_radiobutton.js");
importScipt(doc, "navigation.js");
importScipt(doc, "tabgroup.js");
importScipt(doc, "colourPicker.js");
importScipt(doc, "custom/Utils.js");
importScipt(doc, "custom/BarChart.js");
importScipt(doc, "custom/NavigationWindow.js");
importScipt(doc, "custom/LayersWindow.js");
importScipt(doc, "custom/ThematicWindow.js");
importScipt(doc, "custom/DetailsWindow.js");
importScipt(doc, "custom/LegendWindow.js");
importScipt(doc, "custom/ColourPickerWindow.js");
importScipt(doc, "custom/ThresholdsFactory.js");
importScipt(doc, "custom/ColourRangesFactory.js");
}
/**
* Merge map.
*
* @param srcMap
* the src map
* @param dstMap
* the dst map
* @param srcId
* the src id
* @param dstId
* the dst id
*/
public static void mergeMap(SVGDocument srcMap, SVGDocument dstMap, String srcId, String dstId) {
SVGElement srcMapRoot;
Element srcElement;
Element dstElement;
srcMapRoot = srcMap.getRootElement();
srcElement = (srcId == null ? srcMapRoot : srcMap.getElementById(srcId));
dstElement = dstMap.getElementById(dstId);
NodeList nodeList = srcElement.getChildNodes();
for (int i = 0; i < nodeList.getLength(); i++) {
Node node = nodeList.item(i);
Node importedNode = dstMap.importNode(node, true);
dstElement.appendChild(importedNode);
}
}
@Override
protected SVGDocument getSvgDocument(
JasperReportsContext jasperReportsContext,
SVGDocumentFactory documentFactory
) throws JRException
{
try
{
return
documentFactory.createSVGDocument(
null,
new ByteArrayInputStream(
dataRenderer.getData(jasperReportsContext)
)
);
}
catch (IOException e)
{
throw new JRRuntimeException(e);
}
}
/**
*
*/
public SvgInfo getSvgInfo(byte[] data)
{
try
{
SVGDocument document =
documentFactory.createSVGDocument(
null,
new ByteArrayInputStream(data)
);
return new SvgInfo(document.getInputEncoding());
}
catch (IOException e)
{
return null;
}
}
private GraphicsNode createNode(String svgContent) throws GeomajasException {
// batik magic
String parser = XMLResourceDescriptor.getXMLParserClassName();
SAXSVGDocumentFactory f = new SAXSVGDocumentFactory(parser);
SVGDocument document;
try {
document = f.createSVGDocument("", new StringReader(svgContent));
} catch (IOException e) {
throw new RasterException(e, RasterException.BAD_SVG, "Cannot parse SVG");
}
UserAgent userAgent = new UserAgentAdapter();
DocumentLoader loader = new DocumentLoader(userAgent);
BridgeContext bridgeContext = new BridgeContext(userAgent, loader);
bridgeContext.setDynamic(true);
GVTBuilder builder = new GVTBuilder();
return builder.build(bridgeContext, document);
}
public synchronized static SvgCacheEntry loadSvg( SvgFile svgFile ) throws HopException {
SvgCacheEntry cacheEntry = findSvg( svgFile.getFilename() );
if (cacheEntry!=null) {
return cacheEntry;
}
try {
String parser = XMLResourceDescriptor.getXMLParserClassName();
SAXSVGDocumentFactory factory = new SAXSVGDocumentFactory( parser );
InputStream svgStream = svgFile.getClassLoader().getResourceAsStream( svgFile.getFilename() );
if ( svgStream == null ) {
throw new HopException( "Unable to find file '" + svgFile.getFilename() + "'" );
}
SVGDocument svgDocument = factory.createSVGDocument( svgFile.getFilename(), svgStream );
Element elSVG = svgDocument.getRootElement();
String widthString = elSVG.getAttribute( "width" );
String heightString = elSVG.getAttribute( "height" );
double width = Const.toDouble( widthString.replace( "px", "" ), -1 );
double height = Const.toDouble( heightString.replace( "px", "" ), -1 );
if ( width < 0 || height < 0 ) {
throw new HopException( "Unable to find valid width or height in SVG document " + svgFile.getFilename() );
}
cacheEntry = new SvgCacheEntry( svgFile.getFilename(), svgDocument, (int)Math.round(width), (int)Math.round(height) );
getInstance().fileDocumentMap.put( svgFile.getFilename(), cacheEntry );
return cacheEntry;
} catch ( Exception e ) {
throw new HopException( "Error loading SVG file " + svgFile.getFilename(), e );
}
}
/**
* Constructor
* @param chart JFreeChart to export
* @param bounds Dimensions of the viewport
* @param exportFile Output file
* @param imageType Image type
*/
public static void exportPic(JFreeChart chart, Rectangle bounds, File exportFile, ImageType imageType)
throws IOException, TranscoderException {
DOMImplementation domImplementation = SVGDOMImplementation.getDOMImplementation();
String svgNS = "http://www.w3.org/2000/svg";
SVGDocument svgDocument = (SVGDocument) domImplementation.createDocument(svgNS, "svg", null);
SVGGraphics2D svgGraphics2D = new SVGGraphics2D(svgDocument);
svgGraphics2D.setSVGCanvasSize(bounds.getSize());
chart.draw(svgGraphics2D, bounds);
exportExceptedFormatPic(exportFile, imageType, svgGraphics2D);
}
private void addHRefLinksDrill(SVGDocument targetMap, Element featureElement, String elementId, String drillId, String linkUrl) {
logger.debug("IN");
Element linkCrossElement = targetMap.createElement("a");
linkCrossElement.setAttribute("xlink:href", linkUrl);
if (featureElement.hasAttribute("style")) {
String elementStyle = featureElement.getAttribute("style");
elementStyle = elementStyle + ";cursor:pointer";
featureElement.setAttribute("style", elementStyle);
} else {
featureElement.setAttribute("style", "cursor:pointer");
}
// get document_id
String documentId = (String) this.getEnv().get("DOCUMENT_ID");
JSONObject jsonOEnv = new JSONObject();
String strEnv = "";
try {
jsonOEnv = JSONUtils.getJsonFromMap(this.getEnv());
jsonOEnv.remove("ENV_USER_PROFILE"); // clean profile info for correct url
jsonOEnv.remove("level");
jsonOEnv.remove("DOCUMENT_OUTPUT_PARAMETERS");
strEnv = "&" + JSONUtils.getQueryString(jsonOEnv);
// strEnv = SpagoBIUtilities.encode(strEnv.substring(0, strEnv.length() - 1)); //2017-29-30 commented because changes the parameter values
} catch (JSONException je) {
logger.error("An error occured while convert map [env] to json object: " + je);
}
// String strEnv = StringUtils.mapToString(this.getEnv());
if (drillId == null) {
// featureElement.setAttribute("onclick", "javascript:clickedElement('" + documentId + "','" + elementId + "')");
featureElement.setAttribute("onclick", "javascript:clickedElement('" + strEnv + "','" + documentId + "','" + elementId + "')");
} else {
// featureElement.setAttribute("onclick", "javascript:clickedElement('" + documentId + "','" + elementId + "','" + drillId + "')");
featureElement.setAttribute("onclick", "javascript:clickedElement('" + strEnv + "','" + documentId + "','" + elementId + "','" + drillId + "')");
}
logger.debug("OUT");
}
/**
* Include scripts.
*
* @param doc
* the doc
*/
private void includeScripts(SVGDocument doc) {
Element scriptInit = doc.getElementById("included_scripts");
Node scriptText = scriptInit.getFirstChild();
StringBuffer buffer = new StringBuffer();
includeScript(buffer, "helper_functions.js");
includeScript(buffer, "timer.js");
includeScript(buffer, "mapApp.js");
includeScript(buffer, "timer.js");
includeScript(buffer, "slider.js");
includeScript(buffer, "button.js");
includeScript(buffer, "Window.js");
includeScript(buffer, "checkbox_and_radiobutton.js");
includeScript(buffer, "navigation.js");
includeScript(buffer, "tabgroup.js");
includeScript(buffer, "colourPicker.js");
includeScript(buffer, "custom/Utils.js");
includeScript(buffer, "custom/BarChart.js");
includeScript(buffer, "custom/NavigationWindow.js");
includeScript(buffer, "custom/LayersWindow.js");
includeScript(buffer, "custom/ThematicWindow.js");
includeScript(buffer, "custom/DetailsWindow.js");
includeScript(buffer, "custom/LegendWindow.js");
includeScript(buffer, "custom/ColourPickerWindow.js");
includeScript(buffer, "custom/ThresholdsFactory.js");
includeScript(buffer, "custom/ColourRangesFactory.js");
scriptText.setNodeValue(buffer.toString());
}
private void importScipt(SVGDocument map, String scriptName) {
Element script = map.createElement("script");
script.setAttribute("type", "text/ecmascript");
script.setAttribute("xlink:href", (String) getEnv().get(SvgViewerEngineConstants.ENV_CONTEXT_URL) + "/js/lib/svg-widgets/" + scriptName);
Element importsBlock = map.getElementById("imported_scripts");
importsBlock.appendChild(script);
Node lf = map.createTextNode("\n");
importsBlock.appendChild(lf);
}
/**
* Sets the main map bkg rect dimension.
*
* @param masterMap
* the master map
* @param targetMap
* the target map
*/
public void setMainMapBkgRectDimension(SVGDocument masterMap, SVGDocument targetMap) {
String viewBox = targetMap.getRootElement().getAttribute("viewBox");
String[] chunks = viewBox.split(" ");
String x = chunks[0];
String y = chunks[1];
String width = chunks[2];
String height = chunks[3];
Element mapBackgroundRect = masterMap.getElementById("mapBackgroundRect");
mapBackgroundRect.setAttribute("x", x);
mapBackgroundRect.setAttribute("y", y);
mapBackgroundRect.setAttribute("width", width);
mapBackgroundRect.setAttribute("height", height);
}
public SVGDocument loadMapAsDocument(Content map) throws IOException {
String mapContent;
mapContent = new String(DECODER.decodeBuffer(map.getContent()));
documentFactory = new SAXSVGDocumentFactory(parser);
return (SVGDocument) documentFactory.createDocument(null, new StringReader(mapContent));
}
/**
* Load the SVG image with the specified name. This operation may either
* create a new graphics node of returned a previously created one.
* @param name Name of the SVG file to load.
* @return GraphicsNode containing SVG image or null if none found.
*/
public static GraphicsNode getSVGImage(String name) {
if (svgCache == null) svgCache = new HashMap<String, GraphicsNode>();
GraphicsNode found = svgCache.get(name);
if (found == null) {
String fileName = SVG_DIR + name;
URL resource = SVGLoader.class.getResource(fileName);
try {
String xmlParser = XMLResourceDescriptor.getXMLParserClassName();
SAXSVGDocumentFactory df = new SAXSVGDocumentFactory(xmlParser);
SVGDocument doc = df.createSVGDocument(resource.toString());
UserAgent userAgent = new UserAgentAdapter();
DocumentLoader loader = new DocumentLoader(userAgent);
BridgeContext ctx = new BridgeContext(userAgent, loader);
ctx.setDynamicState(BridgeContext.DYNAMIC);
GVTBuilder builder = new GVTBuilder();
found = builder.build(ctx, doc);
svgCache.put(name, found);
}
catch (Exception e) {
System.err.println("getSVGImage error: " + fileName);
e.printStackTrace(System.err);
}
}
return found;
}
private static ImageIcon createSvgIcon(URL url) throws Exception {
if (url == null) {
return null;
}
String xmlParser = XMLResourceDescriptor.getXMLParserClassName();
SAXSVGDocumentFactory df = new SAXSVGDocumentFactory(xmlParser);
SVGDocument doc = null;
GraphicsNode svgIcon = null;
try {
doc = df.createSVGDocument(url.toString());
} catch (RuntimeException re) {
// v1 SVGs are unsupported
return null;
}
doc.getRootElement().setAttribute("width", String.valueOf(SIZE));
doc.getRootElement().setAttribute("height", String.valueOf(SIZE));
UserAgent userAgent = new UserAgentAdapter();
DocumentLoader loader = new DocumentLoader(userAgent);
GVTBuilder builder = new GVTBuilder();
try {
svgIcon = builder.build(new BridgeContext(userAgent, loader), doc);
} catch (BridgeException | StringIndexOutOfBoundsException ex) {
logger.debug("Failed to parse SVG. " + ex.getMessage());
return null;
}
AffineTransform transform = new AffineTransform(1, 0.0, 0.0, 1, 0, 0);
BufferedImage image = new BufferedImage(SIZE, SIZE, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2d = addRenderingHints(image);
svgIcon.setTransform(transform);
svgIcon.paint(g2d);
g2d.dispose();
return new ImageIcon(image);
}
/**
* Extract the viewbox of the input SVG
* @return
* @throws MalformedURLException
* @throws IOException
*/
private Rectangle extractSVGBounds(QualifiedSVGResource svg) throws IOException {
// check <svg> attributes first : x, y, width, height
SVGDocument svgDocument = getSVGDocument(svg);
SVGSVGElement svgElement = svgDocument.getRootElement();
if (svgElement.getAttributeNode("width") != null && svgElement.getAttribute("height") != null) {
UserAgent userAgent = new DensityAwareUserAgent(svg.getDensity().getDpi());
UnitProcessor.Context context = org.apache.batik.bridge.UnitProcessor.createContext(
new BridgeContext(userAgent), svgElement);
float width = svgLengthInPixels(svgElement.getWidth().getBaseVal(), context);
float height = svgLengthInPixels(svgElement.getHeight().getBaseVal(), context);
float x = 0;
float y = 0;
// check x and y attributes
if (svgElement.getX() != null && svgElement.getX().getBaseVal() != null) {
x = svgLengthInPixels(svgElement.getX().getBaseVal(), context);
}
if (svgElement.getY() != null && svgElement.getY().getBaseVal() != null) {
y = svgLengthInPixels(svgElement.getY().getBaseVal(), context);
}
return new Rectangle((int) floor(x), (int) floor(y), (int) ceil(width), (int) ceil(height));
}
// use computed bounds
log.warn("Take time to fix desired width and height attributes of the root <svg> node for this file... " +
"ROI will be computed by magic using Batik " + boundsType.name() + " bounds");
return boundsType.getBounds(getGraphicsNode(svgDocument, svg.getDensity().getDpi()));
}
private GraphicsNode getGraphicsNode(SVGDocument svgDocument, int dpi) throws IOException {
UserAgent userAgent = new DensityAwareUserAgent(dpi);
DocumentLoader loader = new DocumentLoader(userAgent);
BridgeContext ctx = new BridgeContext(userAgent, loader);
ctx.setDynamicState(BridgeContext.DYNAMIC);
GVTBuilder builder = new GVTBuilder();
GraphicsNode rootGN = builder.build(ctx, svgDocument);
return rootGN;
}
public SvgCacheEntry( String filename, SVGDocument svgDocument, int width, int height ) {
this.filename = filename;
this.svgDocument = svgDocument;
this.width = width;
this.height = height;
}
/**
* @param svgDocument The svgDocument to set
*/
public void setSvgDocument( SVGDocument svgDocument ) {
this.svgDocument = svgDocument;
}
public synchronized static void addSvg( String filename, SVGDocument svgDocument, int width, int height ) {
getInstance().fileDocumentMap.put( filename, new SvgCacheEntry( filename, svgDocument, width, height ) );
}
/**
* Export component to pdf format
* @param component Component
* @param bounds Rectangle
* @param exportFile Export file
* @throws IOException
* @throws TranscoderException
*/
private static void exportPDF(Component component, Rectangle bounds, File exportFile) throws IOException, TranscoderException {
DOMImplementation domImplementation = SVGDOMImplementation.getDOMImplementation();
String svgNS = "http://www.w3.org/2000/svg";
SVGDocument svgDocument = (SVGDocument) domImplementation.createDocument(svgNS, "svg", null);
SVGGraphics2D svgGraphics2D = new SVGGraphics2D(svgDocument);
svgGraphics2D.setSVGCanvasSize(bounds.getSize());
component.paintAll(svgGraphics2D);
if (new File(exportFile.getAbsolutePath() + ".temp").exists()) {
new File(exportFile.getAbsolutePath() + ".temp").delete();
}
File svgFile = new File(exportFile.getAbsolutePath() + ".temp");
OutputStream outputStream = new FileOutputStream(svgFile);
BufferedOutputStream bos = new BufferedOutputStream(outputStream);
Writer out = new OutputStreamWriter(bos, "UTF-8");
svgGraphics2D.stream(out, true);
outputStream.flush();
outputStream.close();
out.close();
bos.close();
String svgURI = svgFile.toURI().toString();
TranscoderInput svgInputFile = new TranscoderInput(svgURI);
OutputStream outstream = new FileOutputStream(exportFile);
bos = new BufferedOutputStream(outstream);
TranscoderOutput output = new TranscoderOutput(bos);
Transcoder pdfTranscoder = new PDFTranscoder();
pdfTranscoder.addTranscodingHint(PDFTranscoder.KEY_DEVICE_RESOLUTION, (float) Toolkit.getDefaultToolkit().getScreenResolution());
pdfTranscoder.transcode(svgInputFile, output);
outstream.flush();
outstream.close();
bos.close();
if (svgFile.exists()) {
svgFile.delete();
}
}
/**
* Add label to the centroide
*
* @param masterMap
* the svg content
* @param centroide
* the centroide svg element
* @param labelGroup
* the svg label group element
* @param aRecord
* the record with values
* @param labelField
* the label field
*/
private void addLabels(SVGDocument masterMap, Element centroide, Element labelGroup, IRecord aRecord, IField labelField) {
logger.debug("IN");
labelGroup.setAttribute("transform", "translate(" + centroide.getAttribute("cx") + "," + centroide.getAttribute("cy") + ") scale(1)");
labelGroup.setAttribute("display", "inherit");
Element label = masterMap.createElement("text");
label.setAttribute("x", "0");
label.setAttribute("y", "0");
label.setAttribute("font-family", "Arial,Helvetica");
label.setAttribute("font-size", "12px");
label.setAttribute("font-style", "normal");
label.setAttribute("fill", "black");
// label.setAttribute("text-anchor", "middle");
// get text-anchor property:
// 1. throught text-anchor property
// 2. throught style property
// 3. if it isn't found force 'middle' as default
String anchor = "middle";
String anchorProperty = centroide.getAttribute("text-anchor");
if (anchorProperty != null && anchorProperty.equals("start") || anchorProperty.equals("middle") || anchorProperty.equals("end")) {
anchor = anchorProperty;
} else {
String styleProperty = centroide.getAttribute("style");
int anchorPropertyPosStart = styleProperty.indexOf("text-anchor:");
int anchorPropertyPosEnd = styleProperty.indexOf(";", anchorPropertyPosStart);
if (null != styleProperty && anchorPropertyPosStart >= 0) {
anchorProperty = styleProperty.substring(anchorPropertyPosStart + 12, anchorPropertyPosEnd);
anchor = anchorProperty;
// clean the style from the anchor information
styleProperty = styleProperty.replace(styleProperty.substring(anchorPropertyPosStart, anchorPropertyPosEnd + 1), "");
centroide.setAttribute("style", styleProperty);
}
}
label.setAttribute("text-anchor", anchor);
Node labelText = masterMap.createTextNode((String) labelField.getValue());
label.appendChild(labelText);
labelGroup.appendChild(label);
if (labelGroup != null) {
// append labels to default layer "valori"
Element valuesLayer = masterMap.getElementById("_labels_layer");
valuesLayer.appendChild(labelGroup);
}
}
/**
* Show or hide elements through the specific column value
*
* @param masterMap
* the svg content
*
* @param geoIdField
* the element id field
* @param visibilityIdField
* the visibility field
*/
private void showElements(SVGDocument masterMap, IField geoIdField, IField visibilityIdField) {
logger.debug("IN");
String id_element = (String) geoIdField.getValue();
String elementVisibility = (String) visibilityIdField.getValue();
try {
Element element = masterMap.getElementById(id_element);
if (element != null) {
String displayStyle = "";
String elementStyle = element.getAttribute("style");
// clean style from ;;
if (elementStyle.indexOf(";;") >= 0) {
elementStyle = elementStyle.replaceAll(";;", ";");
}
// get original display option if present
int displayStyleStart = elementStyle.indexOf("display:");
String displayStyleValue = "";
// if (displayStyleStart >= 0) {
// int displayStyleEnd = -1;
// try {
// displayStyleEnd = elementStyle.indexOf(";", displayStyleStart);
// displayStyleValue = elementStyle.substring(displayStyleStart, displayStyleEnd + 1);
// } catch (StringIndexOutOfBoundsException se) {
// logger.error("An error occured while getting style content of element with id [" + id_element
// + "]. Please, check that ALL the style elements into the SVG have the final [;] char. Ex: [display:none;]");
// throw se;
// }
// elementStyle = elementStyle.replace(displayStyleValue, ""); // clean old style
// }
// Manage 'display:none' or 'display:none;' properties
if (displayStyleStart >= 0) {
int displayStyleEnd = -1;
String displayContent = "";
try {
// case with ; or other properties
if (elementStyle.length() >= displayStyleStart + 13) {
displayContent = elementStyle.substring(displayStyleStart, displayStyleStart + 13);
} else {
// case without ';'. Style value is : style="display:none"
displayContent = elementStyle.substring(displayStyleStart, displayStyleStart + 12);
}
displayContent = displayContent.trim();
if (displayContent.indexOf("none") >= 0) {
displayStyleEnd = displayStyleStart + 12;
if (displayContent.indexOf(";") > 0)
displayStyleEnd = displayStyleEnd + 1;
}
displayStyleValue = elementStyle.substring(displayStyleStart, displayStyleEnd);
} catch (StringIndexOutOfBoundsException se) {
logger.error("An error occured while getting style content of element with id [" + id_element
+ "]. Please, check that ALL the style elements into the SVG have the final [;] char. Ex: [display:none;]");
throw se;
}
elementStyle = elementStyle.replace(displayStyleValue, ""); // clean old style
}
if (elementVisibility.equalsIgnoreCase("false")) {
displayStyle = elementStyle + ";display:none;";
} else {
displayStyle = elementStyle;
}
// sets new visibility style for the element
element.setAttribute("style", displayStyle);
}
} catch (Exception e) {
logger.error("An error occured while managing show property for the element [" + id_element + "]");
throw e;
}
logger.debug("OUT");
}
@Override
public SVGDocument getSVGMapDOMDocument() throws SvgViewerEngineRuntimeException {
return getSVGMapDOMDocument(selectedMapName);
}
@Override
public SVGDocument getSVGMapDOMDocument(String mapName) throws SvgViewerEngineRuntimeException {
return null;
}
@Override
public SVGDocument getSVGMapDOMDocument(HierarchyMember member) throws SvgViewerEngineRuntimeException {
return getSVGMapDOMDocument(member);
}
protected synchronized GraphicsNode getRootNode(JasperReportsContext jasperReportsContext) throws JRException
{
if (rootNodeRef == null || rootNodeRef.get() == null)
{
FontFamilyResolver fontFamilyResolver = BatikFontFamilyResolver.getInstance(jasperReportsContext);
UserAgent userAgentForDoc =
new BatikUserAgent(
fontFamilyResolver,
BatikUserAgent.PIXEL_TO_MM_72_DPI
);
SVGDocumentFactory documentFactory =
new SAXSVGDocumentFactory(userAgentForDoc.getXMLParserClassName(), true);
documentFactory.setValidating(userAgentForDoc.isXMLParserValidating());
SVGDocument document = getSvgDocument(jasperReportsContext, documentFactory);
Node svgNode = document.getElementsByTagName("svg").item(0);
Node svgWidthNode = svgNode.getAttributes().getNamedItem("width");
Node svgHeightNode = svgNode.getAttributes().getNamedItem("height");
String strSvgWidth = svgWidthNode == null ? null : svgWidthNode.getNodeValue().trim();
String strSvgHeight = svgHeightNode == null ? null : svgHeightNode.getNodeValue().trim();
float pixel2mm = BatikUserAgent.PIXEL_TO_MM_72_DPI;
if (
(strSvgWidth != null && strSvgWidth.endsWith("mm"))
|| (strSvgHeight != null && strSvgHeight.endsWith("mm"))
)
{
pixel2mm = BatikUserAgent.PIXEL_TO_MM_96_DPI;
}
UserAgent userAgentForCtx =
new BatikUserAgent(
fontFamilyResolver,
pixel2mm
);
BridgeContext ctx = new BridgeContext(userAgentForCtx);
ctx.setDynamic(true);
GVTBuilder builder = new GVTBuilder();
GraphicsNode rootNode = builder.build(ctx, document);
rootNodeRef = new SoftReference<GraphicsNode>(rootNode);
//copying the document size object because it has a reference to SVGSVGElementBridge,
//which prevents rootNodeRef from being cleared by the garbage collector
Dimension2D svgSize = ctx.getDocumentSize();
documentSize = new SimpleDimension2D(svgSize.getWidth(), svgSize.getHeight());
}
return rootNodeRef.get();
}
/**
*
*/
protected abstract SVGDocument getSvgDocument(
JasperReportsContext jasperReportsContext,
SVGDocumentFactory documentFactory
) throws JRException;
protected synchronized void ensureSvg(JasperReportsContext jasperReportsContext) throws JRException
{
if (rootNode != null)
{
// already loaded
return;
}
ensureData(jasperReportsContext);
try
{
UserAgent userAgent = new BatikUserAgent(jasperReportsContext);
SVGDocumentFactory documentFactory =
new SAXSVGDocumentFactory(userAgent.getXMLParserClassName(), true);
documentFactory.setValidating(userAgent.isXMLParserValidating());
SVGDocument document;
if (svgText != null)
{
document = documentFactory.createSVGDocument(null,
new StringReader(svgText));
}
else
{
document = documentFactory.createSVGDocument(null,
new ByteArrayInputStream(svgData));
}
BridgeContext ctx = new BridgeContext(userAgent);
ctx.setDynamic(true);
GVTBuilder builder = new GVTBuilder();
rootNode = builder.build(ctx, document);
documentSize = ctx.getDocumentSize();
}
catch (IOException e)
{
throw new JRRuntimeException(e);
}
}