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John Whitington 2021-10-25 14:45:55 +01:00
parent 51533b2652
commit 9c19743e27
1 changed files with 12 additions and 6 deletions
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cpdf.ml
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@ -2809,6 +2809,7 @@ let impose_transforms fx fy columns rtl btt center margin spacing linewidth medi
let x = int_of_float fx in let x = int_of_float fx in
let y = int_of_float fy in let y = int_of_float fy in
let final_full_cols = !len mod x in let final_full_cols = !len mod x in
let final_full_rows = !len mod y in
let order row col = let order row col =
((if btt then y - row - 1 else row), (if rtl then x - col - 1 else col)) ((if btt then y - row - 1 else row), (if rtl then x - col - 1 else col))
in in
@ -2816,9 +2817,14 @@ let impose_transforms fx fy columns rtl btt center margin spacing linewidth medi
for col = 0 to x - 1 do for col = 0 to x - 1 do
if center && !len < y then if !cent_extra_y = 0. then cent_extra_y := ~-.(height *. float_of_int (y - !len)) /. 2.; if center && !len < y then if !cent_extra_y = 0. then cent_extra_y := ~-.(height *. float_of_int (y - !len)) /. 2.;
for row = y - 1 downto 0 do for row = y - 1 downto 0 do
let original_row = row in
let row, col = order row col in let row, col = order row col in
if !len > 0 then addtr x y row col (width *. float_of_int col) (height *. float_of_int row); let adjusted_row =
len := !len - 1 let final_empty_rows = y - final_full_rows in
if center && !len <= final_full_rows then original_row + (y - 1 - 1 - (final_empty_rows / 2)) else original_row
in
if !len > 0 then addtr x y adjusted_row col (width *. float_of_int col) (height *. float_of_int row);
len := !len - 1
done done
done done
else else
@ -2831,8 +2837,8 @@ let impose_transforms fx fy columns rtl btt center margin spacing linewidth medi
let final_empty_cols = x - final_full_cols in let final_empty_cols = x - final_full_cols in
if center && !len <= final_full_cols then original_col + (x - 1 - 1 - (final_empty_cols / 2)) else original_col if center && !len <= final_full_cols then original_col + (x - 1 - 1 - (final_empty_cols / 2)) else original_col
in in
if !len > 0 then addtr x y row adjusted_col (width *. float_of_int col) (height *. float_of_int row); if !len > 0 then addtr x y row adjusted_col (width *. float_of_int col) (height *. float_of_int row);
len := !len - 1 len := !len - 1
done done
done; done;
map (make_margin output_mediabox margin) (rev !trs) map (make_margin output_mediabox margin) (rev !trs)
@ -2909,7 +2915,7 @@ let impose ~x ~y ~fit ~columns ~rtl ~btt ~center ~margin ~spacing ~linewidth ~fa
if across < 1 || down < 1 then error "Not even a single page would fit." else if across < 1 || down < 1 then error "Not even a single page would fit." else
let excess_hspace = x -. float_of_int across *. w in let excess_hspace = x -. float_of_int across *. w in
let excess_vspace = y -. float_of_int down *. h in let excess_vspace = y -. float_of_int down *. h in
Printf.printf "across = %i, down =%i, excess_hspace = %f, excess_hspace = %f\n" across down excess_hspace excess_vspace; (*Printf.printf "across = %i, down =%i, excess_hspace = %f, excess_hspace = %f\n" across down excess_hspace excess_vspace;*)
(across * down, (across * down,
across, across,
down, down,
@ -2951,7 +2957,7 @@ let twoup_stack fast pdf =
let all = ilist 1 (Pdfpage.endpage pdf) in let all = ilist 1 (Pdfpage.endpage pdf) in
upright ~fast all (rotate_pdf ~-90 pdf all) upright ~fast all (rotate_pdf ~-90 pdf all)
(* Legacy -two-up. Rotate the pages and shrinks them so as to fit 2x1 on a page the same size. *) (* Legacy -two-up. Rotate the pages and shrink them so as to fit 2x1 on a page the same size. *)
let twoup fast pdf = let twoup fast pdf =
let firstpage = hd (Pdfpage.pages_of_pagetree pdf) in let firstpage = hd (Pdfpage.pages_of_pagetree pdf) in
let width, height = let width, height =