frontend.yui · thing ·

yuiPersistentCanvasDamageRegionV1

A yui persistent canvas damage region v1 record carrying bounds, source.

cpufrontendfrontend.yuimethodsource-examplethingyehoyui

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

external thing yuiPersistentCanvasDamageRegionV1

Status: source-declared

Fields and methods (4)
yuiRenderBounds bounds
Stores bounds as yuiRenderBounds.
text source
Stores source as text.
yuiPersistentCanvasDamageRegionV1(yuiRenderBounds bounds, text source)
Yui persistent canvas damage region v1.
ValidationIssue() returns text
Validation issue. Complete example

Use yuiPersistentCanvasDamageRegionV1

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.
yuiPersistentCanvasDamageRegionV1 sample = yuiPersistentCanvasDamageRegionV1(yuiRenderBounds(1, 1, 1, 1), "example")
Console.Log(Text.From(sample.source))
project.mech
manifestVersion = "2"
package = "api.example.frontend_yui__yuipersistentcanvasdamageregionv1"
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"

yuiPersistentCanvasDamageRegionV1.ValidationIssue

A complete caller for this public method. Sample inputs are illustrative; native resources require their owning lifecycle.

cpu · method · source-example · type checked

using frontend.yui

// Validation issue.
yuiPersistentCanvasDamageRegionV1 instance = yuiPersistentCanvasDamageRegionV1(yuiRenderBounds(1, 1, 1, 1), "example")
text result = instance.ValidationIssue()
Console.Log(Text.From(result))
project.mech
manifestVersion = "2"
package = "api.example.frontend_yui__yuipersistentcanvasdamageregionv1"
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/render-persistent_canvas.yh:4