Configuring alpha channel video based on display settings

    公开(公告)号:US11158024B2

    公开(公告)日:2021-10-26

    申请号:US16814332

    申请日:2020-03-10

    Applicant: Apple Inc.

    Abstract: Systems and methods are disclosed for the rendering of contents communicated between devices. A source device processes a video sequence and transmits it to a target device together with metadata including rendering directives. At the target device, the received video sequence is rendered according to the rendering directives. Rendering is affected by events detected by the target device at the time of rendering or by the target device's information. Transparency masks, generated by the source device, are transmitted in an alpha channel to the target device, and are used for blending the video sequence with a secondary content.

    Devices and method for manipulating user interfaces with stylus and non-stylus contacts

    公开(公告)号:US10684704B2

    公开(公告)日:2020-06-16

    申请号:US16459310

    申请日:2019-07-01

    Applicant: Apple Inc.

    Abstract: An electronic device with a touch-sensitive display and one or more sensors to detect signals from a stylus associated with the device displays a user interface in a viewing mode, the user interface including a content region and a first control region. While displaying the user interface in the viewing mode, the device detects an input by a first contact on the touch-sensitive display; and, in response to detecting the input: when the first contact is a stylus contact in the content region, the device displays, in the content region, a mark drawn in accordance with movement of the first contact in the input. If the first contact is a non-stylus contact in the content region, the device performs a navigation operation in the content region in accordance with movement of the first contact without displaying the mark that corresponds to the first contact in the content region.

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