fuchsia.ui.display.singleton

Added: 12

PROTOCOLS

Info

Defined in fuchsia.ui.display.singleton/info.fidl

Get information about Scenic's primary display.

GetMetrics

Request

<EMPTY>

Response

Name	Type
`info`	`Metrics`

TABLES

Metrics

Defined in fuchsia.ui.display.singleton/info.fidl

Describes the physical display, and how to map between physical and logical pixels.

Ordinal	Field	Type	Description
1	`extent_in_px`	`fuchsia.math/SizeU`	Same meaning as `horizontal_resolution` and `vertical_resolution` in `fuchsia.hardware.display.Mode`. Given in physical pixels.
2	`extent_in_mm`	`fuchsia.math/SizeU`	Same meaning as `horizontal_size_mm` and `vertical_size_mm` in `fuchsia.hardware.display.Info`.
3	`recommended_device_pixel_ratio`	`fuchsia.math/VecF`	The number of physical pixels per "logical" pixel, for example as in `fuchsia.ui.composition.LayoutInfo.logical_size`. It provides an indication of the size of image buffers that should be allocated. This value would typically be used by a component near the root of the scene graph to set a scale for the rest of the scene beneath.
4	`maximum_refresh_rate_in_millihertz`	`uint32`	The maximum mumber of images transmitted to the display in 1000 seconds. This is the display's maximum vertical refresh rate, in millihertz (0.001 Hz). Added: 16

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Last updated 2023-11-22 UTC.