Cast transform property correctly

DEVSIX-1310

Author: LodrKumquat

layout/src/main/java/com/itextpdf/layout/renderer/AbstractRenderer.java

@@ -788,7 +788,7 @@ protected boolean clipBackgroundArea(DrawContext drawContext, Rectangle outerBor
     public void drawChildren(DrawContext drawContext) {
         List<IRenderer> waitingRenderers = new ArrayList<>();
         for (IRenderer child : childRenderers) {
-            if (FloatingHelper.isRendererFloating(child) || child.<String[]>getProperty(Property.TRANSFORM) != null) {
+            if (FloatingHelper.isRendererFloating(child) || child.<List<String[]>>getProperty(Property.TRANSFORM) != null) {
                 RootRenderer rootRenderer = getRootRenderer();
                 if (rootRenderer != null && !rootRenderer.waitingDrawingElements.contains(child)) {
                     rootRenderer.waitingDrawingElements.add(child);
@@ -1837,14 +1837,14 @@ protected AffineTransform createTransformationInsideOccupiedArea() {
     }
 
     protected void beginTranformationIfApplied(PdfCanvas canvas) {
-        if (this.<String[]>getProperty(Property.TRANSFORM) != null) {
+        if (this.<List<String[]>>getProperty(Property.TRANSFORM) != null) {
             AffineTransform transform = createTransformationInsideOccupiedArea();
             canvas.saveState().concatMatrix(transform);
         }
     }
 
     protected void endTranformationIfApplied(PdfCanvas canvas) {
-        if (this.<String[]>getProperty(Property.TRANSFORM) != null) {
+        if (this.<List<String[]>>getProperty(Property.TRANSFORM) != null) {
             canvas.restoreState();
         }
     }

layout/src/main/java/com/itextpdf/layout/renderer/CanvasRenderer.java

@@ -51,6 +51,8 @@ This file is part of the iText (R) project.
 
 import org.slf4j.LoggerFactory;
 
+import java.util.List;
+
 public class CanvasRenderer extends RootRenderer {
 
     protected Canvas canvas;
@@ -92,7 +94,7 @@ public void addChild(IRenderer renderer) {
      */
     @Override
     protected void flushSingleRenderer(IRenderer resultRenderer) {
-        if (!waitingDrawingElements.contains(resultRenderer) && (FloatingHelper.isRendererFloating(resultRenderer) || resultRenderer.<String[]>getProperty(Property.TRANSFORM) != null)) {
+        if (!waitingDrawingElements.contains(resultRenderer) && (FloatingHelper.isRendererFloating(resultRenderer) || resultRenderer.<List<String[]>>getProperty(Property.TRANSFORM) != null)) {
             waitingDrawingElements.add(resultRenderer);
             return;
         }

layout/src/main/java/com/itextpdf/layout/renderer/DocumentRenderer.java

@@ -110,7 +110,7 @@ protected LayoutArea updateCurrentArea(LayoutResult overflowResult) {
     }
 
     protected void flushSingleRenderer(IRenderer resultRenderer) {
-        if (!waitingDrawingElements.contains(resultRenderer) && (FloatingHelper.isRendererFloating(resultRenderer) || resultRenderer.<String[]>getProperty(Property.TRANSFORM) != null)) {
+        if (!waitingDrawingElements.contains(resultRenderer) && (FloatingHelper.isRendererFloating(resultRenderer) || resultRenderer.<List<String[]>>getProperty(Property.TRANSFORM) != null)) {
             waitingDrawingElements.add(resultRenderer);
             return;
         }