Accelerated compositing of fixed position elements on an electronic device

摘要: A device, system and method are provided for processing structured documents display. Content of a first viewable portion the document having fixed position in relation to viewport is rendered as image data. second that does not have The data composited, resultant composited output In response scroll or zoom command applied document, particular portion, updated with Compositing can be carried out by graphics processor separate from main electronic device. When no elements present renders entire content without compositing.