Function isMultiPage

processor/vipsprocessor/processor.go:518–520

(blob *imagor.Blob, n, page int)

}

func isMultiPage(blob *imagor.Blob, n, page int) bool {
	return blob != nil && (blob.SupportsAnimation() || blob.BlobType() == imagor.BlobTypePDF) && ((n != 1 && n != 0) || (page != 1 && page != 0))
}

func applyMultiPageOptions(params *vips.LoadOptions, n, page int) {
	if page < -1 {