Method and system for rendering of labels

Details Method and system for rendering of labels Method and system for rendering of labels

G - Physics

09

G

G09G 5/36 (2006.01) H04W 88/02 (2009.01) G09B 29/10 (2006.01) G09G 5/34 (2006.01)

Patent

CA 2732394

A method for rendering static labels in a mobile device in applications such as map applications. Panning increments are received for panning a previously rendered frame to a panned frame and a rendering region is defined based on the panning increments. Ones of the labels that overlap the region and that overlap with the panned frame by a threshold amount are determined. Geometry that overlaps the rendering region is rendered and a portion of the previously rendered frame is copied. The ones of the labels are rendered to provide the panned frame.

L'invention concerne un procédé de rendu d'étiquettes statiques sur un dispositif mobile dans des applications telles que des applications de cartographie. Des incréments de translation sont reçus afin dassurer la translation dune trame restituée précédemment vers une trame translatée. On détermine une zone de rendu sur la base des incréments de translation. Quelques-unes des étiquettes qui chevauchent la zone et qui chevauchent la trame translatée d'une quantité seuil sont déterminées. La géométrie qui chevauche la zone de rendu est restituée et une partie de la trame restituée précédemment est copiée. Quelques-unes des étiquettes sont restituées pour donner la trame translatée.

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