graphics.canvas · function ·
CacheImageBgra8
Cache image bgra8.
Draw 2D shapes, text, images, and composited interface content.
external CacheImageBgra8(text resourceId, int generation, text contentIdentity, text payloadHex, int sourceWidth, int sourceHeight) returns boolStatus: source-declared
Parameters
text resourceId- Supply resource id as text.
int generation- Supply generation as int.
text contentIdentity- Supply content identity as text.
text payloadHex- Supply payload hex as text.
int sourceWidth- Supply source width as int.
int sourceHeight- Supply source height as int.
Use CacheImageBgra8
A complete small caller. Values are illustrative; check the returned result and package requirements before connecting live resources.
cpu · source-example · type checked
using graphics.canvas
// Draw 2D shapes, text, images, and composited interface content.
text resourceId = "resource Id"
int generation = 1
text contentIdentity = "sample"
text payloadHex = "payload Hex"
int sourceWidth = 1
int sourceHeight = 1
bool result = CacheImageBgra8(resourceId, generation, contentIdentity, payloadHex, sourceWidth, sourceHeight)
Console.Log(Text.From(result))
project.mech
manifestVersion = "2"
package = "api.example.graphics_canvas__cacheimagebgra8"
version = "0.1.0"
languageEdition = "yeho-core-2026.1"
[app]
kind = "headless"
[[dependencies]]
package = "graphics.canvas"
version = "0.1.0"
path = "../../../yeho/packages/graphics/canvas"
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/graphics/canvas/canvas.yh:111