SVG: Support (x y)+ parameters in MoveTo path operator

DEVSIX-2479

svg/src/main/java/com/itextpdf/svg/renderers/path/impl/MoveTo.java

@@ -57,6 +57,7 @@ This file is part of the iText (R) project.
 public class MoveTo extends AbstractPathShape {
 
     private String[] coordinates;
+    private LineTo additionalLines;
 
     public MoveTo() {
         this(false);
@@ -71,23 +72,27 @@ public void draw(PdfCanvas canvas) {
         float x = CssUtils.parseAbsoluteLength(coordinates[0]);
         float y = CssUtils.parseAbsoluteLength(coordinates[1]);
         canvas.moveTo(x, y);
+        if (additionalLines != null) {
+            additionalLines.draw(canvas);
+        }
     }
 
     @Override
     public void setCoordinates(String[] coordinates, Point startPoint) {
         if (coordinates.length == 0 || coordinates.length % 2 != 0) {
             throw new IllegalArgumentException(MessageFormatUtil.format(SvgExceptionMessageConstant.MOVE_TO_EXPECTS_FOLLOWING_PARAMETERS_GOT_0, Arrays.toString(coordinates)));
         }
-        if (coordinates.length > 2) {
-            // (x y)+ parameters will be implemented in the future
-            throw new UnsupportedOperationException();
-        }
 
         this.coordinates = new String[] {coordinates[0], coordinates[1]};
-
         if (isRelative()) {
             this.coordinates = SvgCoordinateUtils.makeRelativeOperatorCoordinatesAbsolute(coordinates, new double[]{startPoint.x, startPoint.y});
         }
+
+        // If a moveto is followed by multiple pairs of coordinates, the subsequent pairs are treated as implicit lineto commands
+        if (coordinates.length > 2) {
+            additionalLines = new LineTo(isRelative());
+            additionalLines.setCoordinates(Arrays.copyOfRange(coordinates, 2, coordinates.length), getEndingPoint());
+        }
     }
 
     @Override

svg/src/test/java/com/itextpdf/svg/renderers/impl/PathSvgNodeRendererTest.java

@@ -407,6 +407,16 @@ public void multipleRelativeVerticalLineToTest() throws IOException, Interrupted
         convertAndCompareVisually(sourceFolder, destinationFolder, "multipleRelativeVerticalLineTo");
     }
 
+    @Test
+    public void moveToRelativeMultipleTest() throws IOException, InterruptedException {
+        convertAndCompareVisually(sourceFolder, destinationFolder, "moveToRelativeMultiple");
+    }
+
+    @Test
+    public void moveToAbsoluteMultipleTest() throws IOException, InterruptedException {
+        convertAndCompareVisually(sourceFolder, destinationFolder, "moveToAbsoluteMultiple");
+    }
+
     @Test
     public void iTextLogoTest() throws IOException, InterruptedException {
         convertAndCompareVisually(sourceFolder, destinationFolder, "iTextLogo");