frontend.yui · thing ·

yuiCanvasViewport

A yui canvas viewport record carrying designWidth, designHeight, windowWidth, windowHeight, scale, and related state.

cpufrontendfrontend.yuimethodsource-examplethingyehoyui

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

external thing yuiCanvasViewport

Status: source-declared

Fields and methods (9)
int designWidth
Stores design width as int.
int designHeight
Stores design height as int.
int windowWidth
Stores window width as int.
int windowHeight
Stores window height as int.
int scale
Stores scale as int.
int offsetX
Stores offset x as int.
int offsetY
Stores offset y as int.
yuiCanvasViewport(int designWidth, int designHeight, int windowWidth, int windowHeight, int scale, int offsetX, int offsetY)
Yui canvas viewport.
Describe() returns text
Describe. Complete example

Use yuiCanvasViewport

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.
yuiCanvasViewport sample = yuiCanvasViewport(1, 1, 1, 1, 1, 1, 1)
Console.Log(Text.From(sample.designWidth))
project.mech
manifestVersion = "2"
package = "api.example.frontend_yui__yuicanvasviewport"
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"

yuiCanvasViewport.Describe

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

// Describe.
yuiCanvasViewport instance = yuiCanvasViewport(1, 1, 1, 1, 1, 1, 1)
text result = instance.Describe()
Console.Log(Text.From(result))
project.mech
manifestVersion = "2"
package = "api.example.frontend_yui__yuicanvasviewport"
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/geometry.yh:5