frontend.yui · function · Updated 2026-09-09

CreateYuiCanvasViewportForClientSize

Create yui canvas viewport for client size from the supplied values.

cpufrontendfrontend.yuifunctionsource-exampleyehoyui

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

external CreateYuiCanvasViewportForClientSize(int designWidth, int designHeight, int clientWidth, int clientHeight) returns yuiCanvasViewport

Status: source-declared

Parameters

int designWidth: Supply design width as int.
int designHeight: Supply design height as int.
int clientWidth: Supply client width as int.
int clientHeight: Supply client height as int.

Use CreateYuiCanvasViewportForClientSize

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.
int designWidth = 1
int designHeight = 1
int clientWidth = 1
int clientHeight = 1
yuiCanvasViewport result = CreateYuiCanvasViewportForClientSize(designWidth, designHeight, clientWidth, clientHeight)
Console.Log("Inspect result in your debugger")

project.mech

manifestVersion = "2"
package = "api.example.frontend_yui__createyuicanvasviewportforclientsize"
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:68