JCV File format
A junction view is a SVG file composed of multiple layers which may, or may not, be displayed. Layers have a type and ID.
Most bytes of header &h61 are understood.
Pictures are in jpg , png or svg format and encrypted - see 0x37
The height and width of pictures follow the header.
|JCV Header &h61|
|21||Pointer to JCV1 containing ids||4|
|25||Length of record||2|
|27||length of block||4|
|2f||Pointer to JCV 2||4|
|33||Length of block||4|
|37||encryption bytes to decode picture blocks||4|
|3c||Pointer to JCV3||4|
|40||Length of block||4|
|44||Pointer to JCV4||4|
|48||Length of block||4|
|52||Pointer to JCV4||4|
|56||Length of block||4|
|62||base value for 0x64 - bytes for width & hight||2|
|64||multiples of 0x62 denoting number of picture sizes to follow||2|
|6c||width of pictures||4|
|70||height of pictures||4|