* 直接从源 Canvas 中裁剪并缩放到目标尺寸,返回 Uint8Array 供 WASM 使用 * 避免了中间的 ImageData 创建和额外的 Canvas 分配
(
sourceCtx: CanvasRenderingContext2D,
box: Box,
cardType: { width: number; height: number; left: number; top: number; right: number; bottom: number }
)
source not stored for this graph (policy: none)
no outgoing calls
no test coverage detected