HEVC stands for High Efficiency Video Coding.Īlpha Transparency or Alpha Channel is a color component that allows you to adjust an image's opacity levels and make parts of it translucent or see-through. Files uploaded in this format will not appear in the Overlays tab. The maximum file size is 1 gigabyte (GB) and the maximum image/video size is 1920 x 1080p.Īpple ProRes files are not supported. WebM (only file format that supports Alpha Transparency).This article goes over the following topics: The Overlays tab houses all audio, video, and static graphics available as overlays. You can add audio overlays to add background music or sound effects, and video overlays for animated logos, countdowns, and more. When the Image is the source or target of an event, the following values are reported in event.source or event.In Socialive, overlays can be audio effects, images, or videos added to your scenes to make your video more dynamic. The image that results from filter processing can be further modified by the overla圜olor and overlayGradient properties.įor details about image filters, see Filters. The result of filter processing is a single image. When the filters property is empty or not provided, the component renders the last image in the sources array.įilters modify, augment, and merge images from the image array. After all URLs load, the component applies any filters defined in the filters property. The Image component doesn't render until after all the URLs in the array have loaded. The source / sources property of the Image component is an array of one or more image URLs. To minimize errors, the width and height of an Image component default to 100dp. The URL or URLs to download the image from.Īll images must specify a width and a height value. How the image will be resized to fit in the bounding box. This ensures text placed on the image is legible.Ī colored gradient that overlays the image. If set, a theme-appropriate scrim is overlaid on the image. One of: bottom, bottom-left, bottom-right, center, left, right, top, top-left, top-rightĪlignment of the image within the containing box.Ĭommand or commands to run when any source fails to load.Ĭommand or commands to run after all sources loaded successfully. If you use "auto", the image might not render. The "auto" value isn't supported for dimension-related properties on Image. The Image component has the following properties in addition to the base component properties. Although these images might appear animated in the simulator, their behavior on screen devices with Alexa might be different. alexa-presentation-language/apl-image.htmlĪn Image component draws a bitmap image on the screen. Widget Information in the Skill Request.APL Visual Context in the Skill Request.Viewport Object in the Data-binding Context.Best Practices for Screen Reader Support.
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