import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
+import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
+import java.util.Set;
import java.util.WeakHashMap;
import org.simantics.scenegraph.ExportableWidget.RasterOutputWidget;
@RasterOutputWidget
public class SVGNode extends G2DNode implements InitValueSupport, LoaderNode {
- public static class SVGNodeAssignment {
- public String elementId;
- public String attributeNameOrId;
- public String value;
- public SVGNodeAssignment(String elementId, String attributeNameOrId, String value) {
- this.elementId = elementId;
- this.attributeNameOrId = attributeNameOrId;
- this.value = value;
- }
- @Override
- public int hashCode() {
- final int prime = 31;
- int result = 1;
- result = prime * result + ((attributeNameOrId == null) ? 0 : attributeNameOrId.hashCode());
- result = prime * result + ((elementId == null) ? 0 : elementId.hashCode());
- result = prime * result + ((value == null) ? 0 : value.hashCode());
- return result;
- }
- @Override
- public boolean equals(Object obj) {
- if (this == obj)
- return true;
- if (obj == null)
- return false;
- if (getClass() != obj.getClass())
- return false;
- SVGNodeAssignment other = (SVGNodeAssignment) obj;
- if (attributeNameOrId == null) {
- if (other.attributeNameOrId != null)
- return false;
- } else if (!attributeNameOrId.equals(other.attributeNameOrId))
- return false;
- if (elementId == null) {
- if (other.elementId != null)
- return false;
- } else if (!elementId.equals(other.elementId))
- return false;
- if (value == null) {
- if (other.value != null)
- return false;
- } else if (!value.equals(other.value))
- return false;
- return true;
- }
- }
-
- private static final long serialVersionUID = 8508750881358776559L;
+ private static final long serialVersionUID = 8508750881358776559L;
protected String data = null;
protected String defaultData = null;
protected Point targetSize = null;
protected Boolean useMipMap = true;
protected Rectangle2D bounds = null;
-
+
protected List<SVGNodeAssignment> assignments = new ArrayList<SVGNodeAssignment>();
- transient BufferedImage buffer = null;
- transient String documentCache = null;
- transient SVGDiagram diagramCache = null;
- transient String dataHash = null;
+ protected transient BufferedImage buffer = null;
+ protected transient String documentCache = null;
+ protected transient SVGDiagram diagramCache = null;
+ protected transient String dataHash = null;
static transient Map<String, WeakReference<BufferedImage>> bufferCache = new HashMap<String, WeakReference<BufferedImage>>();
+ @Override
+ public void init() {
+ super.init();
+ }
+
@Override
public void cleanup() {
cleanDiagramCache();
g2d.setTransform(ot);
}
+ protected int dynamicHash() {
+ return 0;
+ }
+
protected String parseSVG() {
if (data == null)
return null;
diagramCache = null;
}
- // NOTE: hard-coded to assume all SVG data is encoded in UTF-8
- byte[] dataBytes = data.getBytes("UTF-8");
- dataHash = digest(dataBytes, assignments);
+ // Lets check for rootAssignment that contributes the whole SVG
+ SVGNodeAssignment rootAssignment = null;
+ if (!assignments.isEmpty()) {
+ for (SVGNodeAssignment ass : assignments) {
+ if (ass.attributeNameOrId.equals("$root")) {
+ rootAssignment = ass;
+ break;
+ }
+ }
+ }
+ byte[] dataBytes;
+ if (rootAssignment != null) {
+ dataBytes = rootAssignment.value.getBytes("UTF-8");
+ } else {
+ // NOTE: hard-coded to assume all SVG data is encoded in UTF-8
+ dataBytes = data.getBytes("UTF-8");
+ }
+ dataHash = digest(dataBytes, assignments, dynamicHash());
URI uri = univ.loadSVG(new ByteArrayInputStream(dataBytes), dataHash);
diagramCache = univ.getDiagram(uri, false);
if (diagramCache != null) {
univ.incRefCount(diagramCache.getXMLBase());
-
- if (diagramCache.getRoot() == null) {
+ SVGRoot root = diagramCache.getRoot();
+ if (root == null) {
univ.decRefCount(diagramCache.getXMLBase());
diagramCache = univ.getDiagram(univ.loadSVG(BROKEN_SVG_DATA), false);
dataHash = "broken";
univ.incRefCount(diagramCache.getXMLBase());
bbox = (Rectangle2D) diagramCache.getRoot().getBoundingBox().clone();
} else {
- bbox = diagramCache.getRoot().getBoundingBox();
+ bbox = root.getBoundingBox();
if (bbox.isEmpty()) {
- univ.decRefCount(diagramCache.getXMLBase());
- diagramCache = univ.getDiagram(univ.loadSVG(EMPTY_SVG_DATA), false);
- dataHash = "empty";
- univ.incRefCount(diagramCache.getXMLBase());
- bbox = (Rectangle2D) diagramCache.getRoot().getBoundingBox().clone();
+ // Lets check if this should be visible or not
+ Set<?> presentationAttributes = root.getPresentationAttributes();
+ if (!presentationAttributes.contains("display")) {
+ // TODO: fix this - How can one read values of attributes in SVG salamander???
+ univ.decRefCount(diagramCache.getXMLBase());
+ diagramCache = univ.getDiagram(univ.loadSVG(EMPTY_SVG_DATA), false);
+ dataHash = "empty";
+ univ.incRefCount(diagramCache.getXMLBase());
+ bbox = (Rectangle2D) root.getBoundingBox().clone();
+ } else {
+ bbox = new Rectangle2D.Double(0, 0, 0, 0);
+ }
} else {
if (applyAssignments(diagramCache, assignments)) {
- bbox = (Rectangle2D) diagramCache.getRoot().getBoundingBox().clone();
+ bbox = (Rectangle2D) root.getBoundingBox().clone();
} else {
bbox = (Rectangle2D) bbox.clone();
}
return dataHash;
}
- private static boolean applyAssignments(SVGDiagram diagram, List<SVGNodeAssignment> assignments) throws SVGException {
+ protected boolean applyAssignments(SVGDiagram diagram, List<SVGNodeAssignment> assignments) throws SVGException {
if (assignments.isEmpty())
return false;
+
boolean changed = false;
+
for (SVGNodeAssignment ass : assignments) {
SVGElement e = diagram.getElement(ass.elementId);
if (e != null) {
if ("$text".equals(ass.attributeNameOrId)) {
if (e instanceof Tspan) {
Tspan t = (Tspan) e;
- t.setText(ass.value);
+ if (ass.value.trim().isEmpty()) {
+ t.setText("-");
+ } else {
+ t.setText(ass.value);
+ }
SVGElement parent = t.getParent();
if (parent instanceof Text)
((Text) parent).rebuild();
changed = true;
}
+ } else if (ass.attributeNameOrId.startsWith("#")) {
+ e.setAttribute(ass.attributeNameOrId.substring(1), AnimationElement.AT_CSS, ass.value);
+ changed = true;
} else {
e.setAttribute(ass.attributeNameOrId, AnimationElement.AT_AUTO, ass.value);
changed = true;
}
}
}
- diagram.updateTime(0);
+
return changed;
}
public static Rectangle2D getBounds(String data) {
- return getBounds(data, null);
+ return getBounds(data, 0);
+ }
+
+ public static Rectangle2D getBounds(String data, int dynamicHash) {
+ return getBounds(data, Collections.emptyList(), dynamicHash);
}
- public static Rectangle2D getBounds(String data, List<SVGNodeAssignment> assignments) {
+ public static Rectangle2D getBounds(String data, List<SVGNodeAssignment> assignments, int dynamicHash) {
if (data == null) {
new Exception("null SVG data").printStackTrace();
return null;
try {
// NOTE: hard-coded to assume all SVG data is encoded in UTF-8
byte[] dataBytes = data.getBytes("UTF-8");
- String digest = digest(dataBytes, assignments);
+ String digest = digest(dataBytes, assignments, dynamicHash);
SVGUniverse univ = SVGCache.getSVGUniverse();
// TODO: this completely removes any parallel processing from the SVG loading which would be nice to have.
}
public static Rectangle2D getRealBounds(String data) {
- return getRealBounds(data, null);
+ return getRealBounds(data, Collections.emptyList(), 0);
}
- public static Rectangle2D getRealBounds(String data, List<SVGNodeAssignment> assignments) {
+ public static Rectangle2D getRealBounds(String data, List<SVGNodeAssignment> assignments, int dynamicHash) {
if (data == null) {
new Exception("null SVG data").printStackTrace();
return null;
try {
// NOTE: hard-coded to assume all SVG data is encoded in UTF-8
byte[] dataBytes = data.getBytes("UTF-8");
- String digest = digest(dataBytes, assignments);
+ String digest = digest(dataBytes, assignments, dynamicHash);
SVGUniverse univ = SVGCache.getSVGUniverse();
// TODO: this completely removes any parallel processing from the SVG loading which would be nice to have.
}
protected void initBuffer(Graphics2D g2d) {
-
if (!data.equals(documentCache) || diagramCache == null) {
- dataHash = parseSVG();
- if (diagramCache == null) {
- System.err.println("UNABLE TO PARSE SVG:\n" + data);
- return;
- }
+ dataHash = parseSVG();
+ if (diagramCache == null) {
+ System.err.println("UNABLE TO PARSE SVG:\n" + data);
+ return;
+ }
}
if (buffer != null) {
} else if(diagramCache.getViewRect().getWidth()==0 || diagramCache.getViewRect().getHeight()==0) {
buffer = null;
} else if(useMipMap) {
- if(G2DUtils.isAccelerated(g2d)) {
+ if(G2DUtils.isAccelerated(g2d)) {
buffer = new MipMapVRamBufferedImage(diagramCache, bounds, targetSize);
} else {
buffer = new MipMapBufferedImage(diagramCache, bounds, targetSize);
}
bufferCache.put(dataHash, new WeakReference<BufferedImage>(buffer));
} else {
- if(G2DUtils.isAccelerated(g2d)) {
+ if(G2DUtils.isAccelerated(g2d)) {
buffer = new VRamBufferedImage(diagramCache, bounds, targetSize);
} else {
buffer = new BufferedImage(diagramCache, bounds, targetSize);
}
static WeakHashMap<String, String> digestCache = new WeakHashMap<String, String>();
-
- static String digest(byte[] dataBytes, List<SVGNodeAssignment> assignments) {
+
+ static String digest(byte[] dataBytes, List<SVGNodeAssignment> assignments, int dynamicHash) {
try {
MessageDigest md = MessageDigest.getInstance("MD5");
byte[] messageDigest = md.digest(dataBytes);
BigInteger number = new BigInteger(1, messageDigest);
- String dataHash = number.toString(16) + (assignments != null ? assignments.hashCode() : 0);
+ String dataHash = number.toString(16) + (assignments != null ? assignments.hashCode() : 0) + 31 * dynamicHash;
String result = digestCache.get(dataHash);
if(result == null) {
result = dataHash;
public void synchronizeTransform(double[] data) {
this.setTransform(new AffineTransform(data));
}
-
+
+ public String getSVGText() {
+ String ret = data.replace("<svg", "<g").replaceAll("svg>", "g>");
+ //return diagramCache.toString();
+ //return data.replace("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?><!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\"><svg xmlns=\"http://www.w3.org/2000/svg\" overflow=\"visible\" version=\"1.1\"", "<g").replaceAll("svg>", "/g>");
+ return ret;
+ }
+
}