Screen data transfer device and a processing load reduction method

摘要

A screen data transfer device that includes a processor that executes a procedure. The procedure includes: (a) receiving screen data having a changed portion compressed by first compression processing, and detecting a high region where a changed frequency in the screen is a threshold value or greater; (b) detecting a processing load of the device itself; and (c) when the detected load is a threshold value or greater, and in cases in which the changed portion overlaps with the high region, assigning a route of the screen data to a first route in which second compression processing with a higher compression ratio than the first compression processing is executed by a compression section, and in cases in which the changed portion does not overlap with the high region, assigning the route to a second route in which the screen data bypasses the compression section.

主权项

1. A screen data transfer device comprising:
a processor; and a memory storing instructions, which when executed by the processor perform a procedure, the procedure including:
(a) receiving screen data that contains position data indicating a position to display on a screen and in which portions that have changed within the screen as a whole have been compressed by first compression processing, and, based on the position data of a plurality of the screen data received within a specific duration by a communication section that transmits screen data, detecting a high frequency screen update region where a changed frequency in the screen is a frequency threshold value or greater;(b) detecting a processing load of the screen data transfer device itself; and (c) in cases in which the processing load detected in (b) is a load threshold value or greater, and based on the position data of the screen data received after the specific duration, the changed portion in the screen data overlaps with the high frequency screen update region, assigning a processing route for the screen data to a first route in which second compression processing with a higher compression ratio to that of the first compression processing is executed by a compression section and the screen data on which the second compression processing has been executed is transmitted by the communication section, and in cases in which the processing load detected in (b) is a load threshold value or greater, and based on the position data of the screen data received after the specific duration, the changed portion in the screen data does not overlap with the high frequency screen update region, assigning the processing route for the screen data to a second route in which the screen data bypasses the compression section and is transmitted by the communication section.