@Override
protected void startNewPage() {
super.startNewPage();
pagebox = createBlock(body, curpage, false);
pagebox.setStyle(createPageStyle());
body.addSubBox(pagebox);
}
@Override
protected void renderImage(
float x, float y, float width, float height, String mimetype, byte[] data) {
// DOM element
Element el = createImageElement(x, y, width, height, mimetype, data);
curpage.appendChild(el);
// Image box
BlockBox block = createBlock(pagebox, el, true);
block.setStyle(createRectangleStyle(x, y, width, height, false, false));
pagebox.addSubBox(block);
}
/**
* Creates a text box with the given parent and text node assigned.
*
* @param contblock The parent node (and the containing block in the same time)
* @param n The corresponding text node in the DOM tree.
* @return The new text box.
*/
protected TextBox createTextBox(BlockBox contblock, Text n) {
TextBox text =
new TextBox(
n,
(Graphics2D) contblock.getGraphics().create(),
contblock.getVisualContext().create());
text.setOrder(next_order++);
text.setContainingBlock(contblock);
text.setClipBlock(viewport);
text.setViewport(viewport);
text.setBase(baseurl);
return text;
}
@Override
protected void renderText(String data) {
// DOM element
Element el = createTextElement(data);
curpage.appendChild(el);
// Block box
BlockBox block = createBlock(pagebox, el, false);
block.setStyle(createTextStyle(curstyle));
pagebox.addSubBox(block);
// Text box
TextBox text = createTextBox(block, (Text) el.getFirstChild());
block.addSubBox(text);
}
@Override
protected void createDocument() throws ParserConfigurationException {
super.createDocument();
// create viewport with the initial dimension
Element vp = createAnonymousElement(getDocument(), "Xdiv", "block");
Element root = getDocument().getDocumentElement();
viewport = new Viewport(vp, g, ctx, null, root, dim.width, dim.height);
viewport.setConfig(config);
// create the root boxes
html = createBlock(viewport, root, false);
html.setStyle(createBlockStyle());
viewport.addSubBox(html);
body = createBlock(html, (Element) root.getElementsByTagName("body").item(0), false);
body.setStyle(createBodyStyle());
html.addSubBox(body);
}
@Override
protected void renderPath(List<PathSegment> path, boolean stroke, boolean fill) {
float[] rect = toRectangle(path);
if (rect != null) {
// DOM element
Element el =
createRectangleElement(
rect[0], rect[1], rect[2] - rect[0], rect[3] - rect[1], stroke, fill);
curpage.appendChild(el);
// Block box
BlockBox block = createBlock(pagebox, el, false);
block.setStyle(
createRectangleStyle(
rect[0], rect[1], rect[2] - rect[0], rect[3] - rect[1], stroke, fill));
pagebox.addSubBox(block);
} else if (stroke) {
for (PathSegment segm : path) {
if (segm.getX1() == segm.getX2() || segm.getY1() == segm.getY2()) {
// DOM element
Element el = createLineElement(segm.getX1(), segm.getY1(), segm.getX2(), segm.getY2());
curpage.appendChild(el);
// Block box
BlockBox block = createBlock(pagebox, el, false);
block.setStyle(createLineStyle(segm.getX1(), segm.getY1(), segm.getX2(), segm.getY2()));
pagebox.addSubBox(block);
} else log.warn("Skipped non-orthogonal line segment");
}
}
}
/**
* Creates a new block box from the given element with the given parent. No style is assigned to
* the resulting box.
*
* @param parent The parent box in the tree of boxes.
* @param n The element that this box belongs to.
* @param replaced When set to <code>true</code>, a replaced block box will be created. Otherwise,
* a normal non-replaced block will be created.
* @return The new block box.
*/
protected BlockBox createBlock(BlockBox parent, Element n, boolean replaced) {
BlockBox root;
if (replaced) {
BlockReplacedBox rbox =
new BlockReplacedBox(
(Element) n,
(Graphics2D) parent.getGraphics().create(),
parent.getVisualContext().create());
rbox.setViewport(viewport);
rbox.setContentObj(
new ReplacedImage(rbox, rbox.getVisualContext(), baseurl, n.getAttribute("src")));
root = rbox;
} else {
root =
new BlockBox(
(Element) n,
(Graphics2D) parent.getGraphics().create(),
parent.getVisualContext().create());
root.setViewport(viewport);
}
root.setBase(baseurl);
root.setParent(parent);
root.setContainingBlock(parent);
root.setClipBlock(viewport);
root.setOrder(next_order++);
return root;
}
