svg-dom: fix a bug copying transforms [BATIK-1361]

Test file adapted from SVG provided by Stanimir Stamenkov @stanio in BATIK-1361.

echosvg-svg-dom/src/main/java/io/sf/carte/echosvg/dom/svg/AbstractSVGTransformList.java

@@ -287,7 +287,7 @@ public void assign(SVGTransform transform) {
 				setScale(matrix.getA(), matrix.getD());
 				break;
 			case SVGTransform.SVG_TRANSFORM_ROTATE:
-				if (matrix.getE() == 0.0f) {
+				if (matrix.getE() == 0f && matrix.getF() == 0f) {
 					rotate(transform.getAngle());
 				} else {
 					angleOnly = false;

echosvg-test/src/test/java/io/sf/carte/echosvg/test/svg/SVGAnimationRenderingAccuracyTest.java

@@ -0,0 +1,54 @@
+/*
+
+   See the NOTICE file distributed with this work for additional
+   information regarding copyright ownership.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+ */
+package io.sf.carte.echosvg.test.svg;
+
+import io.sf.carte.echosvg.transcoder.SVGAbstractTranscoder;
+import io.sf.carte.echosvg.transcoder.image.ImageTranscoder;
+
+/**
+ * Checks for regressions in rendering of a document with animations.
+ *
+ * @author For later modifications, see Git history.
+ * @version $Id$
+ */
+public class SVGAnimationRenderingAccuracyTest extends RenderingTest {
+
+	private float time;
+
+	public SVGAnimationRenderingAccuracyTest(float time) {
+		super();
+		this.time = time;
+	}
+
+	@Override
+	protected String getImageSuffix() {
+		return (time == 0f) ? "" : "-t" + Float.toString(time);
+	}
+
+	/**
+	 * Returns the <code>ImageTranscoder</code> the Test should use
+	 */
+	@Override
+	ImageTranscoder getTestImageTranscoder() {
+		ImageTranscoder t = super.getTestImageTranscoder();
+		t.addTranscodingHint(SVGAbstractTranscoder.KEY_SNAPSHOT_TIME, time);
+		return t;
+	}
+
+}

echosvg-test/src/test/java/io/sf/carte/echosvg/test/svg/SamplesRenderingTest.java

@@ -320,6 +320,12 @@ public void testSystemColors() throws TranscoderException, IOException {
 	/*
 	 * Coordinates
 	 */
+	@Test
+	public void testAnimRotateOrigin() throws TranscoderException, IOException {
+		float[] times = {0.5f, 1.5f, 1.52f, 3.5f};
+		testAnim("samples/tests/spec/coordinates/animRotateOrigin.svg", times);
+	}
+
 	@Test
 	public void testPercentagesAndUnits() throws TranscoderException, IOException {
 		test("samples/tests/spec/coordinates/percentagesAndUnits.svg");
@@ -1710,6 +1716,14 @@ private void testResolutionPxMM(String file, float pxToMM)
 		runner.runTest(0.000001f, 0.000001f);
 	}
 
+	private void testAnim(String file, float[] times) throws TranscoderException, IOException {
+		for (float time : times) {
+			RenderingTest runner = new SVGAnimationRenderingAccuracyTest(time);
+			runner.setFile(file);
+			runner.runTest(0.000001f, 0.000001f);
+		}
+	}
+
 	/**
 	 * Dynamic test of the rendering of a SVG file.
 	 *