Examples of org.xhtmlrenderer.layout.Layer

org.xhtmlrenderer.layout.Layer
All positioned content as well as content with an overflow value other than visible creates a layer. Layers which define stacking contexts provide the entry for rendering the box tree to an output device. The main purpose of this class is to provide an implementation of Appendix E of the spec, but it also provides additional utility services including page management and mapping boxes to coordinates (for e.g. links). When rendering to a paged output device, the layer is also responsible for laying out absolute content (which is layed out after its containing block has completed layout).

            paintDefaultBackground(g);
            return;
        }
        
        // if this is the first time painting this document, then calc layout
        Layer root = getRootLayer();
        if (root == null || isPendingResize()) {
            doDocumentLayout(getGraphics());
            root = getRootLayer();
        }
        setPendingResize(false);

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    private int calcCenteredPageLeftOffset(int maxPageWidth) {
        return (getWidth() - maxPageWidth) / 2;
    }


    public void paintPage(Graphics2D g, int pageNo) {
        Layer root = getRootLayer();


        if (root == null) {
            throw new RuntimeException("Document needs layout");
        }
        
        if (pageNo < 0 || pageNo >= root.getPages().size()) {
            throw new IllegalArgumentException("Page " + pageNo + " is not between 0 " +
                    "and " + root.getPages().size());
        }


        RenderingContext c = newRenderingContext(g);


        PageBox page = (PageBox)root.getPages().get(pageNo);
        c.setPageCount(root.getPages().size());
        c.setPage(pageNo, page);
        
        page.paintBackground(c, 0, Layer.PAGED_MODE_PRINT);
        page.paintMarginAreas(c, 0, Layer.PAGED_MODE_PRINT);
        page.paintBorder(c, 0, Layer.PAGED_MODE_PRINT);
        
        Shape working = g.getClip();
        
        Rectangle content = page.getPrintClippingBounds(c);
        g.clip(content);
        
        int top = -page.getPaintingTop() + 
            page.getMarginBorderPadding(c, CalculatedStyle.TOP);
        
        int left = page.getMarginBorderPadding(c, CalculatedStyle.LEFT);
        
        g.translate(left, top);
        root.paint(c);
        g.translate(-left, -top);
        
        g.setClip(working);
    }

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    public Box find(MouseEvent e) {
        return find(e.getX(), e.getY());
    }
    
    public Box find(int x, int y) {
        Layer l = getRootLayer();
        if (l != null) {
            return l.find(layout_context, x, y, false);
        }
        return null;
    }

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   * @param x The displayed x position
   * @param y the displayed y position
   */
  public Box find(int x, int y) {
    Point p = convertFromScaled(x, y);
    Layer l = getRootLayer();
    if (l != null) {
      return l.find(getLayoutContext(), p.x, p.y, false);
    }
    return null;
  }

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            paintDefaultBackground(g);
            return;
        }
        
        // if this is the first time painting this document, then calc layout
        Layer root = getRootLayer();
        if (root == null || isPendingResize()) {
            doDocumentLayout(getGraphics());
            root = getRootLayer();
        }
        setPendingResize(false);

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    private int calcCenteredPageLeftOffset(int maxPageWidth) {
        return (getWidth() - maxPageWidth) / 2;
    }


    public void paintPage(Graphics2D g, int pageNo) {
        Layer root = getRootLayer();


        if (root == null) {
            throw new RuntimeException("Document needs layout");
        }
        
        if (pageNo < 0 || pageNo >= root.getPages().size()) {
            throw new IllegalArgumentException("Page " + pageNo + " is not between 0 " +
                    "and " + root.getPages().size());
        }


        RenderingContext c = newRenderingContext(g);


        PageBox page = (PageBox)root.getPages().get(pageNo);
        c.setPageCount(root.getPages().size());
        c.setPage(pageNo, page);
        
        page.paintBackground(c, 0, Layer.PAGED_MODE_PRINT);
        page.paintMarginAreas(c, 0, Layer.PAGED_MODE_PRINT);
        page.paintBorder(c, 0, Layer.PAGED_MODE_PRINT);
        
        Shape working = g.getClip();
        
        Rectangle content = page.getPrintClippingBounds(c);
        g.clip(content);
        
        int top = -page.getPaintingTop() + 
            page.getMarginBorderPadding(c, CalculatedStyle.TOP);
        
        int left = page.getMarginBorderPadding(c, CalculatedStyle.LEFT);
        
        g.translate(left, top);
        root.paint(c);
        g.translate(-left, -top);
        
        g.setClip(working);
    }

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            paintDefaultBackground(g);
            return;
        }


        // if this is the first time painting this document, then calc layout
        Layer root = getRootLayer();
        if (root == null || isNeedRelayout()) {
            doDocumentLayout(g.create());
            root = getRootLayer();
        }
        setNeedRelayout(false);

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    private int calcCenteredPageLeftOffset(int maxPageWidth) {
        return (getWidth() - maxPageWidth) / 2;
    }


    public void paintPage(Graphics2D g, int pageNo) {
        Layer root = getRootLayer();


        if (root == null) {
            throw new RuntimeException("Document needs layout");
        }


        if (pageNo < 0 || pageNo >= root.getPages().size()) {
            throw new IllegalArgumentException("Page " + pageNo + " is not between 0 " +
                    "and " + root.getPages().size());
        }


        RenderingContext c = newRenderingContext(g);


        PageBox page = (PageBox)root.getPages().get(pageNo);
        c.setPageCount(root.getPages().size());
        c.setPage(pageNo, page);


        page.paintBackground(c, 0, Layer.PAGED_MODE_PRINT);
        page.paintMarginAreas(c, 0, Layer.PAGED_MODE_PRINT);
        page.paintBorder(c, 0, Layer.PAGED_MODE_PRINT);


        Shape working = g.getClip();


        Rectangle content = page.getPrintClippingBounds(c);
        g.clip(content);


        int top = -page.getPaintingTop() +
            page.getMarginBorderPadding(c, CalculatedStyle.TOP);


        int left = page.getMarginBorderPadding(c, CalculatedStyle.LEFT);


        g.translate(left, top);
        root.paint(c);
        g.translate(-left, -top);


        g.setClip(working);
    }

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   * @param x The displayed x position
   * @param y the displayed y position
   */
  public Box find(int x, int y) {
    Point p = convertFromScaled(x, y);
    Layer l = getRootLayer();
    if (l != null) {
      return l.find(getLayoutContext(), p.x, p.y, false);
    }
    return null;
  }

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    public Box find(MouseEvent e) {
        return find(e.getX(), e.getY());
    }


    public Box find(int x, int y) {
        Layer l = getRootLayer();
        if (l != null) {
            return l.find(layoutContext, x, y, false);
        }
        return null;
    }

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Related Classes of org.xhtmlrenderer.layout.Layer

org.xhtmlrenderer.css.newmatch.PageInfo

org.xhtmlrenderer.css.style.CalculatedStyle

org.xhtmlrenderer.css.style.EmptyStyle

org.xhtmlrenderer.newtable.TableCellBox

org.xhtmlrenderer.render.BlockBox

org.xhtmlrenderer.render.Box

org.xhtmlrenderer.render.BoxDimensions

org.xhtmlrenderer.render.PageBox

org.xhtmlrenderer.render.ViewportBox

org.xhtmlrenderer.swing.BasicPanel

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