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Work around orphan images

This commit is contained in:
John Whitington 2024-11-06 20:03:43 +00:00
parent 4888a77e35
commit 0aa7528e59
1 changed files with 18 additions and 12 deletions
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cpdfimage.ml
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@ -794,22 +794,28 @@ let lossless_resample pdf ~pixel_threshold ~length_threshold ~factor ~interpolat
remove out2 remove out2
let lossless_resample_target_dpi objnum pdf ~pixel_threshold ~length_threshold ~factor ~target_dpi_info ~interpolate ~path_to_convert s dict reference = let lossless_resample_target_dpi objnum pdf ~pixel_threshold ~length_threshold ~factor ~target_dpi_info ~interpolate ~path_to_convert s dict reference =
try
let real_factor = factor /. Hashtbl.find target_dpi_info objnum *. 100. in let real_factor = factor /. Hashtbl.find target_dpi_info objnum *. 100. in
if real_factor < 100. then if real_factor < 100. then
lossless_resample pdf ~pixel_threshold ~length_threshold ~factor:real_factor ~interpolate ~path_to_convert s dict reference lossless_resample pdf ~pixel_threshold ~length_threshold ~factor:real_factor ~interpolate ~path_to_convert s dict reference
else else
if !debug_image_processing then Printf.printf "failed to meet dpi target\n%!" if !debug_image_processing then Printf.printf "failed to meet dpi target\n%!"
with
Not_found -> () (* Could not find DPI data - an orphan image. *)
let jpeg_to_jpeg_wrapper objnum pdf ~target_dpi_info ~pixel_threshold ~length_threshold ~percentage_threshold ~jpeg_to_jpeg_scale ~jpeg_to_jpeg_dpi ~interpolate ~q ~path_to_convert s dict reference = let jpeg_to_jpeg_wrapper objnum pdf ~target_dpi_info ~pixel_threshold ~length_threshold ~percentage_threshold ~jpeg_to_jpeg_scale ~jpeg_to_jpeg_dpi ~interpolate ~q ~path_to_convert s dict reference =
if jpeg_to_jpeg_dpi = 0. then if jpeg_to_jpeg_dpi = 0. then
jpeg_to_jpeg pdf ~pixel_threshold ~length_threshold ~percentage_threshold ~jpeg_to_jpeg_scale ~interpolate ~q ~path_to_convert s dict reference jpeg_to_jpeg pdf ~pixel_threshold ~length_threshold ~percentage_threshold ~jpeg_to_jpeg_scale ~interpolate ~q ~path_to_convert s dict reference
else else
try
let factor = jpeg_to_jpeg_dpi in let factor = jpeg_to_jpeg_dpi in
let real_factor = factor /. Hashtbl.find target_dpi_info objnum *. 100. in let real_factor = factor /. Hashtbl.find target_dpi_info objnum *. 100. in
if real_factor < 100. then if real_factor < 100. then
jpeg_to_jpeg pdf ~pixel_threshold ~length_threshold ~percentage_threshold ~jpeg_to_jpeg_scale:real_factor ~interpolate ~q ~path_to_convert s dict reference jpeg_to_jpeg pdf ~pixel_threshold ~length_threshold ~percentage_threshold ~jpeg_to_jpeg_scale:real_factor ~interpolate ~q ~path_to_convert s dict reference
else else
if !debug_image_processing then Printf.printf "failed to meet dpi target\n%!" if !debug_image_processing then Printf.printf "failed to meet dpi target\n%!"
with
Not_found -> () (* Could not find DPI data - an orphan image. *)
let recompress_1bpp_jbig2_lossless ~pixel_threshold ~length_threshold ~path_to_jbig2enc pdf s dict reference = let recompress_1bpp_jbig2_lossless ~pixel_threshold ~length_threshold ~path_to_jbig2enc pdf s dict reference =
complain_jbig2enc path_to_jbig2enc; complain_jbig2enc path_to_jbig2enc;
@ -964,7 +970,7 @@ let process
in in
let highdpi, target_dpi_info = let highdpi, target_dpi_info =
let objnums, dpi = let objnums, dpi =
if dpi_threshold = 0. && factor > 0. then ([], []) else if dpi_threshold = 0. && factor > 0. && jpeg_to_jpeg_dpi = 0. then ([], []) else
let results = image_resolution pdf range max_float in 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;*) (*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 let cmp (_, _, _, _, _, _, a) (_, _, _, _, _, _, b) = compare a b in