frontend.yui · thing ·

yuiPersistentCanvasFrameV1

A yui persistent canvas frame v1 record carrying fullRedraw, damage, backgroundRed, backgroundGreen, backgroundBlue, and related state.

cpufrontendfrontend.yuimethodsource-examplethingyehoyui

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

external thing yuiPersistentCanvasFrameV1

Status: source-declared

Fields and methods (11)
bool fullRedraw
Stores full redraw as bool.
list of yuiPersistentCanvasDamageRegionV1 damage
Stores damage as list of yuiPersistentCanvasDamageRegionV1.
int backgroundRed
Stores background red as int.
int backgroundGreen
Stores background green as int.
int backgroundBlue
Stores background blue as int.
bool retainedReplay
Stores retained replay as bool.
text expectedSurfaceId
Stores expected surface id as text.
text diagnostic
Stores diagnostic as text.
text source
Stores source as text.
yuiPersistentCanvasFrameV1(bool fullRedraw, int backgroundRed, int backgroundGreen, int backgroundBlue, text source)
Yui persistent canvas frame v1.
AddDamage(yuiRenderBounds bounds, text source)
Add damage. Complete example

Use yuiPersistentCanvasFrameV1

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.
yuiPersistentCanvasFrameV1 sample = yuiPersistentCanvasFrameV1(true, 1, 1, 1, "example")
Console.Log(Text.From(sample.fullRedraw))
project.mech
manifestVersion = "2"
package = "api.example.frontend_yui__yuipersistentcanvasframev1"
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"

yuiPersistentCanvasFrameV1.AddDamage

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

// Add damage.
yuiPersistentCanvasFrameV1 instance = yuiPersistentCanvasFrameV1(true, 1, 1, 1, "example")
yuiRenderBounds argument_bounds = yuiRenderBounds(1, 1, 1, 1)
text argument_source = "argument source"
instance.AddDamage(argument_bounds, argument_source)
Console.Log("AddDamage completed")
project.mech
manifestVersion = "2"
package = "api.example.frontend_yui__yuipersistentcanvasframev1"
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:25