Function loadMaskedThumbnail

src/hooks/useMaskedThumbnail.ts:98–109

(imageFile: File, maskFile: File, inverseMask: boolean)

}

async function loadMaskedThumbnail(imageFile: File, maskFile: File, inverseMask: boolean): Promise<string | null> {
  try {
    const [imageBitmap, maskBitmap] = await Promise.all([
      createImageBitmap(imageFile),
      createImageBitmap(maskFile),
    ]);
    const canvas = createMaskedThumbnailCanvas(imageBitmap, maskBitmap, inverseMask);
    return canvas ? await canvasToPngUrl(canvas) : null;
  } catch {
    return null;
  }
}

export function clearMaskedThumbnailCache(): void {
  maskedThumbnailCacheGeneration++;