Crate zng_ext_image

Expand description

Image loading, rendering and cache.

§Services

Services this extension provides.

This crate is part of the zng project.

This crate provides 1 feature flag, not enabled by default.

Enable web image source.

ColorType: Basic info about a color model.
IMAGES: Image loading, cache and render service.
IMAGES_WINDOW: Images render window hook.
IMAGE_RENDER: Controls properties of the render window used by IMAGES.render.
ImageEntriesMode: Defines what images are decoded from multi image containers.
ImageEntry: State of an ImageVar.
ImageFormat: Represents an image codec capability.
ImageFormatCapability: Capabilities of an ImageFormat implementation.
ImageHash: A 256-bit hash for image entries.
ImageHasher: Hasher that computes a ImageHash.
ImageLimits: Limits for image loading and decoding.
ImageOptions: Options for IMAGES.image.
ImageRenderArgs: Arguments for the ImageSource::Render closure.

ImageCacheMode: Cache mode of IMAGES.
ImageDataFormat: Format of the image bytes.
ImageDownscaleMode: Defines how an image is downscaled after decoding.
ImageEntryKind: Kind of image container entry an image was decoded from.
ImageMaskMode: Defines how the A8 image mask pixels are to be derived from a source mask image.
ImageSource: The different sources of an image resource.
ImageSourceFilter: Represents a PathFilter and UriFilter.
PartialImageKind: Represents what kind of partial data was decoded.

ImageRenderWindowRoot: Implemented for the root window type.
ImageRenderWindowsService: Reference to a windows manager service that IMAGES can use to render images.
ImagesExtension: A custom extension for the IMAGES service.

render_retain: P If the render task is kept alive after a frame is produced, this is false by default meaning the image only renders once, if set to true the image will automatically update when the render widget requests a new frame.