' zview codec (plugin), _img_info structure: 1128 bytes
LET ii_width&=0                 !& image width in pixels
LET ii_height&=2                !& image height in pixels
LET ii_components&=4            !& * 1=mono 3=color mapped or true-color
LET ii_planes&=6                !& info only, can't rely on it
LET ii_colors&=8                !% info only, can't rely on it
LET ii_orientation&=12          !& 0=normal 1=needs flipped
LET ii_page&=14                 !& number of pages/frames in the file
LET ii_delay&=16                !& used for animations
LET ii_num_comments&=18         !& comments extracted from the image file
LET ii_max_comments_length&=20  !& length in byte of the largest comment extracted
LET ii_indexed_color&=22        !& * 0=mono or true-coloe 1=color mapped
LET ii_memory_alloc&=24         !& internal use
LET ii_palette&=26              !| padded to 4 bytes, 'rgb0', thus 256*4 bytes total
LET ii_background_color&=1050   !% as a long '0rgb'
LET ii_thumbnail&=1054          !& 0=no 1=yes (infomational only)
LET ii_page_wanted&=1056        !& request this page, 0 to ?
LET ii_info&=1058               !$ null terminated text (39+null=40)
LET ii_compression&=1098        !$ null terminated text (5+null=6)
LET ii_real_width&=1104         !& only valid with thumbnails
LET ii_real_height&=1106        !&   ...
' _priv_ptr       = 1108        !% don't mess with these
' _priv_ptr_more  = 1112        !%   ...
' __priv_ptr_more = 1116        !%   ...
' _priv_var       = 1120        !%   ...
' _priv_var_more  = 1124        !%   ...
