Denso Corporation

Masakazu Itou

Kazunao Yamada

Hiroshi Ishiguro

Toshihide Andoh

A display control apparatus includes: an operation receiving portion receiving a command operation by a user; a drawing processing portion drawing an application image; and a display processing portion generating an image for display using the application image, and displaying the image for display on a display. Multiple display areas are set on a display screen, and an area rating indicating the ranking of visibility of information to the user is assigned in advance to each of the multiple display areas. A display area which is the display destination on the screen corresponding to an application software is set in advance for the application software. A drawing processing portion draws an application image for displaying in a display area having a higher area rating preferentially over an application image for displaying in a display area having a lower area rating, among the multiple display areas.

Display control apparatus

A display control device includes a sift portion that sifts a transition request event stored in a queue. The sift portion monitors the queue. When the queue stores several transition request events corresponding to the same type of screen-image after transition, the sift portion retains the most recent one of the transition request events and discards the other transition request events corresponding to the same type of screen-image after transition. This can decrease transition request events stored in the queue compared to a case of not sifting transition request events and reduce a possibility of generating a delay. The sift portion does not sift a transition request event that transitions to a different type of screen-image. This can display the type of screen-image a user intends to display based on his or her manipulation.

Display control device

A vehicular navigation apparatus configured to independently operate a dedicated application and an externally-introduced general-purpose application is provided. The navigation apparatus includes a control device and a management device. The management device notifies the control device of attribute information of the general-purpose application in operation. Based on the attribute information, the control device determines whether the general-purpose application operating under a specified condition is allowed to use user interface output under the specified condition. When no user interface output is allowed as a result of the determination, the control device switches over the user interface output to user interface output using another certified general-purpose application.

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Kariya, Japan

Masakazu Itou