frontend.yui · function ·

AppendYuiCoreLayoutDisplayItem

Append yui core layout display item.

cpufrontendfrontend.yuifunctionsource-exampleyehoyui

Turn YUI models into a working frontend and its rendering/input adapters.

external AppendYuiCoreLayoutDisplayItem(yuiDisplayList display, yuiCoreControlCatalog catalog, yuiCoreRenderMetrics metrics, yuiCoreLayoutRenderItem item) returns yuiDisplayList

Status: source-declared

Parameters

yuiDisplayList display
Supply display as yuiDisplayList.
yuiCoreControlCatalog catalog
Supply catalog as yuiCoreControlCatalog.
yuiCoreRenderMetrics metrics
Supply metrics as yuiCoreRenderMetrics.
yuiCoreLayoutRenderItem item
Supply item as yuiCoreLayoutRenderItem.

Use AppendYuiCoreLayoutDisplayItem

A complete small caller. Values are illustrative; check the returned result and package requirements before connecting live resources.

cpu · source-example · type checked

using frontend.yui

// Turn YUI models into a working frontend and its rendering/input adapters.
yuiDisplayList display = yuiDisplayList("surface Id")
yuiCoreControlCatalog catalog = yuiCoreControlCatalog()
yuiCoreRenderMetrics metrics = yuiCoreRenderMetrics("density", 1, 1, 1, 1, 1, 1, "diagnostic")
yuiCoreLayoutRenderItem item = yuiCoreLayoutRenderItem("owner Id", "kind", "state", yuiRenderBounds(1, 1, 1, 1), "clip Id", "layer Id", "target Id")
yuiDisplayList result = AppendYuiCoreLayoutDisplayItem(display, catalog, metrics, item)
Console.Log("Inspect result in your debugger")
project.mech
manifestVersion = "2"
package = "api.example.frontend_yui__appendyuicorelayoutdisplayitem"
version = "0.1.0"
languageEdition = "yeho-core-2026.1"

[app]
kind = "headless"

[[dependencies]]
package = "frontend.yui"
version = "0.2.0"
path = "../../../yeho/packages/frontend/yui"

[[dependencies]]
package = "graphics.canvas"
version = "0.1.0"
path = "../../../yeho/packages/graphics/canvas"

[[dependencies]]
package = "graphics.image"
version = "0.1.0"
path = "../../../yeho/packages/graphics/image"

[[dependencies]]
package = "graphics.image.processing"
version = "0.1.0"
path = "../../../yeho/packages/graphics/image/processing"

[[dependencies]]
package = "graphics.text"
version = "0.1.0"
path = "../../../yeho/packages/graphics/text"

[[dependencies]]
package = "host.ui_services"
version = "0.1.0"
path = "../../../yeho/packages/host/ui_services"

[[dependencies]]
package = "input.text"
version = "0.1.0"
path = "../../../yeho/packages/input/text"

[[dependencies]]
package = "ui"
version = "0.2.0"
path = "../../../yeho/packages/ui"
Notes and source

Package presence and a declaration do not establish support on every host. Host services need their platform and lifecycle setup.

yeho/packages/frontend/yui/controls-render-catalog_coverage.yh:396