Canon Kabushiki Kaisha

Julian Benjamin Kelsey

Marija Herceg

Michael Anthony Martin

A method of rendering a sequence of graphical objects, where two or more different renderers are available and one of the renderers is designated as a currently-used renderer, includes the steps of receiving a current object in the sequence of graphical objects, adding the current object to a set of recently-received objects, and checking whether any one of a predetermined group of patterns of objects is present in the set, each pattern having an associated indication of the suitability of the available renderers for the pattern, the suitability being dependent on a time taken to render the pattern. The method further includes the steps of determining a suitable renderer from the available renderers using a pattern and associated indication identified in the checking step, and switching from the currently-used renderer to the suitable renderer if the suitable renderer is different from the currently-used renderer.

Dynamic render algorithm selection

Disclosed is a method of restructuring an input HTML document to comply with strict HTML. An input HTML document is linearly traversed to create a hierarchical tree structure representation (FIGS.A&#x2013;F), the traversal maintaining a current insertion point () for elements within the tree structure representation. During the traversal, elements () of the input HTML document that violate strict HTML are identified. Each element is then processed individually, initially by retracing the tree structure representation from the current insertion point to identify an further insertion point from which the identified element can depend, the retracing comprising noting each parent element of the identified element passed during said retracing. Then, at the further insertion point, new elements () are created in the tree structure representation to correspond to those parent elements passed during the retracing, the new elements being created in reverse chronological order to that encountered during the retracing. The identified element () is then append to a terminal one of the new elements. The tree structure representation can then be converted into an output HTML document.

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Newtown, Australia

Julian Benjamin Kelsey