runtime.Canvas · builtin · Updated 2026-09-09

Canvas.DrawCachedImageBgra8Region

Draw cached image bgra8 region through the Canvas runtime.

Built into Yeho; no package import is needed. Native services require an admitted host and the correct resource lifecycle.

Canvas.DrawCachedImageBgra8Region(text resource_id, int generation, text content_identity, int source_width, int source_height, int crop_x, int crop_y, int crop_width, int crop_height, int x, int y, int width, int height, int red, int green, int blue, int alpha) -> bool

Status: registered-intrinsic

Parameters

text resource_id

Supply resource id as text.

int generation

Supply generation as int.

text content_identity

Supply content identity as text.

int source_width

Supply source width as int.

int source_height

Supply source height as int.

int crop_x

Supply crop x as int.

int crop_y

Supply crop y as int.

int crop_width

Supply crop width as int.

int crop_height

Supply crop height as int.

int x

Supply x as int.

int y

Supply y as int.

int width

Supply width as int.

int height

Supply height as int.

int red

Supply red as int.

int green

Supply green as int.

int blue

Supply blue as int.

int alpha

Supply alpha as int.

text resource_id = "resource id"
int generation = 1
text content_identity = "content identity"
int source_width = 1
int source_height = 1
int crop_x = 1
int crop_y = 1
int crop_width = 1
int crop_height = 1
int x = 1
int y = 1
int width = 1
int height = 1
int red = 1
int green = 1
int blue = 1
int alpha = 1
bool result = Canvas.DrawCachedImageBgra8Region(resource_id, generation, content_identity, source_width, source_height, crop_x, crop_y, crop_width, crop_height, x, y, width, height, red, green, blue, alpha)
Console.Log(Text.From(result))

manifestVersion = "2"
package = "api.example.runtime__canvas_drawcachedimagebgra8region"
version = "0.1.0"
languageEdition = "yeho-core-2026.1"

[app]
kind = "headless"