Added support for DOMSource to Preloader SVG so a URI Resolver can be written that provides the SVG as a W3C SVG DOM.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@615144 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 55 insertions, 1 deletions

diff --git a/test/java/org/apache/fop/image/loader/batik/ImagePreloaderTestCase.java b/test/java/org/apache/fop/image/loader/batik/ImagePreloaderTestCase.java
index b14dd1fb8..9406ed65c 100644
--- a/test/java/org/apache/fop/image/loader/batik/ImagePreloaderTestCase.java
+++ b/test/java/org/apache/fop/image/loader/batik/ImagePreloaderTestCase.java
@@ -21,8 +21,19 @@ package org.apache.fop.image.loader.batik;
 
 import java.io.IOException;
 
+import javax.xml.transform.Source;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.URIResolver;
+import javax.xml.transform.dom.DOMSource;
+
 import junit.framework.TestCase;
 
+import org.w3c.dom.DOMImplementation;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+import org.apache.batik.dom.svg.SVGDOMImplementation;
+
 import org.apache.xmlgraphics.image.loader.ImageException;
 import org.apache.xmlgraphics.image.loader.ImageInfo;
 import org.apache.xmlgraphics.image.loader.ImageManager;
@@ -30,7 +41,6 @@ import org.apache.xmlgraphics.image.loader.ImageManager;
 import org.apache.fop.apps.FOUserAgent;
 import org.apache.fop.apps.FopFactory;
 import org.apache.fop.apps.MimeConstants;
-import org.apache.fop.image.loader.batik.ImageWMF;
 
 /**
  * Tests for bundled image preloader implementations.
@@ -89,6 +99,50 @@ public class ImagePreloaderTestCase extends TestCase {
         assertEquals(100000, info.getSize().getHeightMpt());
     }
 
+    public void testSVGWithDOM() throws Exception {
+        String uri = "my:SVGImage";
+        FOUserAgent userAgent = fopFactory.newFOUserAgent();
+        
+        userAgent.setURIResolver(new URIResolver() {
+
+            public Source resolve(String href, String base) throws TransformerException {
+                if (href.startsWith("my:")) {
+                    DOMImplementation impl = SVGDOMImplementation.getDOMImplementation();
+                    String svgNS = SVGDOMImplementation.SVG_NAMESPACE_URI;
+                    Document doc = impl.createDocument(svgNS, "svg", null);
+                    Element element = doc.getDocumentElement();
+                    element.setAttribute("viewBox", "0 0 20 20");
+                    element.setAttribute("width", "20pt");
+                    element.setAttribute("height", "20pt");
+                    
+                    Element rect = doc.createElementNS(svgNS, "rect");
+                    rect.setAttribute("x", "5");
+                    rect.setAttribute("y", "5");
+                    rect.setAttribute("width", "10");
+                    rect.setAttribute("height", "10");
+                    element.appendChild(rect);
+                    
+                    DOMSource src = new DOMSource(doc);
+                    return src;
+                } else {
+                    return null;
+                }
+            }
+            
+        });
+        
+        ImageManager manager = fopFactory.getImageManager();
+        ImageInfo info = manager.preloadImage(uri, userAgent.getImageSessionContext());
+        assertNotNull("ImageInfo must not be null", info);
+        assertEquals(MimeConstants.MIME_SVG, info.getMimeType());
+        assertEquals(uri, info.getOriginalURI());
+        assertEquals(20, info.getSize().getWidthPx()); //100 = default viewport size
+        assertEquals(20, info.getSize().getHeightPx());
+        assertEquals(userAgent.getSourceResolution(), info.getSize().getDpiHorizontal(), 0.1);
+        assertEquals(20000, info.getSize().getWidthMpt());
+        assertEquals(20000, info.getSize().getHeightMpt());
+    }
+
     public void testWMF() throws Exception {
         String uri = "test/resources/images/testChart.wmf";