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cpdf-source
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This commit is contained in:
John Whitington 2024-01-10 13:55:40 +00:00
parent 3ca5c8bb20
commit 9af9c13912
1 changed files with 3 additions and 3 deletions
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cpdfimage.ml
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@ -727,13 +727,13 @@ let process
let objnums =
if dpi_threshold = 0 then [] else
let results = image_resolution pdf range max_float in
(*iter (fun (_, _, _, _, wdpi, hdpi, objnum) -> Printf.printf "From image_resolution %f %f %i\n" wdpi hdpi objnum) results;*)
let cmp (_, _, _, _, _, _, a) (_, _, _, _, _, _, b) = compare a b in
(* Get each obj number associated with its *lowest* resolution *)
let sets = collate cmp (sort cmp results) in
let heads = map hd (map (sort (fun (_, _, _, _, a, b, _) (_, _, _, _, c, d, _) -> compare (fmin a b) (fmin c d))) sets) in
(* Choose only those where this figure is more than the dpi_threshold *)
(*iter (fun (_, _, _, _, wdpi, hdpi, objnum) -> Printf.printf "%f %f %i\n" wdpi hdpi objnum) heads;*)
(*iter (fun (_, _, _, _, wdpi, hdpi, objnum) -> Printf.printf "Lowest resolution exemplar %f %f %i\n" wdpi hdpi objnum) heads;*)
let needed = keep (fun (_, _, _, _, wdpi, hdpi, objnum) -> fmin wdpi hdpi > float_of_int dpi_threshold) heads in
(*iter (fun (_, _, _, _, wdpi, hdpi, objnum) -> Printf.printf "keep %f %f %i\n" wdpi hdpi objnum) needed;*)
map (fun (_, _, _, _, _, _, objnum) -> objnum) needed
in
hashset_of_list objnums