modules/javafx.controls/src/main/java/javafx/scene/control/skin/TitledPaneSkin.java

*** 230,240 ****
      /** {@inheritDoc} */
      @Override protected void layoutChildren(final double x, double y,
                                              final double w, final double h) {
  
          // header
!         double headerHeight = snapSize(titleRegion.prefHeight(-1));
  
          titleRegion.resize(w, headerHeight);
          positionInArea(titleRegion, x, y,
                  w, headerHeight, 0, HPos.LEFT, VPos.CENTER);
          titleRegion.requestLayout();
--- 230,240 ----
      /** {@inheritDoc} */
      @Override protected void layoutChildren(final double x, double y,
                                              final double w, final double h) {
  
          // header
!         double headerHeight = snapSizeY(titleRegion.prefHeight(-1));
  
          titleRegion.resize(w, headerHeight);
          positionInArea(titleRegion, x, y,
                  w, headerHeight, 0, HPos.LEFT, VPos.CENTER);
          titleRegion.requestLayout();
*** 244,288 ****
          if (isInsideAccordion()) {
              if (prefHeightFromAccordion != 0) {
                  contentHeight = (prefHeightFromAccordion - headerHeight) * getTransition();
              }
          }
!         contentHeight = snapSize(contentHeight);
  
!         y += snapSize(headerHeight);
          contentContainer.resize(w, contentHeight);
          clipRect.setHeight(contentHeight);
          positionInArea(contentContainer, x, y,
                  w, contentHeight, /*baseline ignored*/0, HPos.CENTER, VPos.CENTER);
      }
  
      /** {@inheritDoc} */
      @Override protected double computeMinWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
!         double titleWidth = snapSize(titleRegion.prefWidth(height));
!         double contentWidth = snapSize(contentContainer.minWidth(height));
          return Math.max(titleWidth, contentWidth) + leftInset + rightInset;
      }
  
      /** {@inheritDoc} */
      @Override protected double computeMinHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
!         double headerHeight = snapSize(titleRegion.prefHeight(width));
          double contentHeight = contentContainer.minHeight(width) * getTransition();
!         return headerHeight + snapSize(contentHeight) + topInset + bottomInset;
      }
  
      /** {@inheritDoc} */
      @Override protected double computePrefWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
!         double titleWidth = snapSize(titleRegion.prefWidth(height));
!         double contentWidth = snapSize(contentContainer.prefWidth(height));
          return Math.max(titleWidth, contentWidth) + leftInset + rightInset;
      }
  
      /** {@inheritDoc} */
      @Override protected double computePrefHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
!         double headerHeight = snapSize(titleRegion.prefHeight(width));
          double contentHeight = contentContainer.prefHeight(width) * getTransition();
!         return headerHeight + snapSize(contentHeight) + topInset + bottomInset;
      }
  
      /** {@inheritDoc} */
      @Override protected double computeMaxWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
          return Double.MAX_VALUE;
--- 244,290 ----
          if (isInsideAccordion()) {
              if (prefHeightFromAccordion != 0) {
                  contentHeight = (prefHeightFromAccordion - headerHeight) * getTransition();
              }
          }
!         contentHeight = snapSizeY(contentHeight);
  
!         // Header height was already snapped above.  Is this just in case
!         // mods are made to the intervening code?  Or is it just redundant?
!         y += snapSizeY(headerHeight);
          contentContainer.resize(w, contentHeight);
          clipRect.setHeight(contentHeight);
          positionInArea(contentContainer, x, y,
                  w, contentHeight, /*baseline ignored*/0, HPos.CENTER, VPos.CENTER);
      }
  
      /** {@inheritDoc} */
      @Override protected double computeMinWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
!         double titleWidth = snapSizeX(titleRegion.prefWidth(height));
!         double contentWidth = snapSizeX(contentContainer.minWidth(height));
          return Math.max(titleWidth, contentWidth) + leftInset + rightInset;
      }
  
      /** {@inheritDoc} */
      @Override protected double computeMinHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
!         double headerHeight = snapSizeY(titleRegion.prefHeight(width));
          double contentHeight = contentContainer.minHeight(width) * getTransition();
!         return headerHeight + snapSizeY(contentHeight) + topInset + bottomInset;
      }
  
      /** {@inheritDoc} */
      @Override protected double computePrefWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
!         double titleWidth = snapSizeX(titleRegion.prefWidth(height));
!         double contentWidth = snapSizeX(contentContainer.prefWidth(height));
          return Math.max(titleWidth, contentWidth) + leftInset + rightInset;
      }
  
      /** {@inheritDoc} */
      @Override protected double computePrefHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
!         double headerHeight = snapSizeY(titleRegion.prefHeight(width));
          double contentHeight = contentContainer.prefHeight(width) * getTransition();
!         return headerHeight + snapSizeY(contentHeight) + topInset + bottomInset;
      }
  
      /** {@inheritDoc} */
      @Override protected double computeMaxWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
          return Double.MAX_VALUE;
*** 327,348 ****
      private boolean isInsideAccordion() {
          return getSkinnable().getParent() != null && getSkinnable().getParent() instanceof Accordion;
      }
  
      double getTitleRegionSize(double width) {
!         return snapSize(titleRegion.prefHeight(width)) + snappedTopInset() + snappedBottomInset();
      }
  
      private double prefHeightFromAccordion = 0;
      void setMaxTitledPaneHeightForAccordion(double height) {
          this.prefHeightFromAccordion = height;
      }
  
      double getTitledPaneHeightForAccordion() {
!         double headerHeight = snapSize(titleRegion.prefHeight(-1));
          double contentHeight = (prefHeightFromAccordion - headerHeight) * getTransition();
!         return headerHeight + snapSize(contentHeight) + snappedTopInset() + snappedBottomInset();
      }
  
      private void doAnimationTransition() {
          if (content == null) {
              return;
--- 329,350 ----
      private boolean isInsideAccordion() {
          return getSkinnable().getParent() != null && getSkinnable().getParent() instanceof Accordion;
      }
  
      double getTitleRegionSize(double width) {
!         return snapSizeY(titleRegion.prefHeight(width)) + snappedTopInset() + snappedBottomInset();
      }
  
      private double prefHeightFromAccordion = 0;
      void setMaxTitledPaneHeightForAccordion(double height) {
          this.prefHeightFromAccordion = height;
      }
  
      double getTitledPaneHeightForAccordion() {
!         double headerHeight = snapSizeY(titleRegion.prefHeight(-1));
          double contentHeight = (prefHeightFromAccordion - headerHeight) * getTransition();
!         return headerHeight + snapSizeY(contentHeight) + snappedTopInset() + snappedBottomInset();
      }
  
      private void doAnimationTransition() {
          if (content == null) {
              return;