Grx.query_jpeg_data
function query_jpeg_data(data: ByteArray): [ok: Boolean, width: Number(gint), height: Number(gint)] { // Gjs wrapper for grx_query_jpeg_data() }
Query width and height data from a JPEG file
- data
The image data
- ok
true on success, otherwise false
- width
return image width
- height
return image height