diff options
Diffstat (limited to 'source/tools/pdfposter.c')
| -rw-r--r-- | source/tools/pdfposter.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/source/tools/pdfposter.c b/source/tools/pdfposter.c index ed3a4bda..603b3ac6 100644 --- a/source/tools/pdfposter.c +++ b/source/tools/pdfposter.c @@ -28,34 +28,34 @@ static void usage(void) * Recreate page tree to only retain specified pages. */ -static void decimatepages(pdf_document *xref) +static void decimatepages(pdf_document *doc) { pdf_obj *oldroot, *root, *pages, *kids, *parent; - fz_context *ctx = xref->ctx; - int num_pages = pdf_count_pages(xref); + fz_context *ctx = doc->ctx; + int num_pages = pdf_count_pages(doc); int page, kidcount; /* Keep only pages/type and (reduced) dest entries to avoid * references to unretained pages */ - oldroot = pdf_dict_gets(pdf_trailer(xref), "Root"); + oldroot = pdf_dict_gets(pdf_trailer(doc), "Root"); pages = pdf_dict_gets(oldroot, "Pages"); - root = pdf_new_dict(ctx, 2); + root = pdf_new_dict(doc, 2); pdf_dict_puts(root, "Type", pdf_dict_gets(oldroot, "Type")); pdf_dict_puts(root, "Pages", pdf_dict_gets(oldroot, "Pages")); - pdf_update_object(xref, pdf_to_num(oldroot), root); + pdf_update_object(doc, pdf_to_num(oldroot), root); pdf_drop_obj(root); /* Create a new kids array with only the pages we want to keep */ - parent = pdf_new_indirect(ctx, pdf_to_num(pages), pdf_to_gen(pages), xref); - kids = pdf_new_array(ctx, 1); + parent = pdf_new_indirect(doc, pdf_to_num(pages), pdf_to_gen(pages)); + kids = pdf_new_array(doc, 1); kidcount = 0; for (page=0; page < num_pages; page++) { - pdf_page *page_details = pdf_load_page(xref, page); + pdf_page *page_details = pdf_load_page(doc, page); int xf = x_factor, yf = y_factor; int x, y; float w = page_details->mediabox.x1 - page_details->mediabox.x0; @@ -82,12 +82,12 @@ static void decimatepages(pdf_document *xref) fz_rect mb; int num; - newpageobj = pdf_copy_dict(ctx, xref->page_objs[page]); - num = pdf_create_object(xref); - pdf_update_object(xref, num, newpageobj); - newpageref = pdf_new_indirect(ctx, num, 0, xref); + newpageobj = pdf_copy_dict(doc->page_objs[page]); + num = pdf_create_object(doc); + pdf_update_object(doc, num, newpageobj); + newpageref = pdf_new_indirect(doc, num, 0); - newmediabox = pdf_new_array(ctx, 4); + newmediabox = pdf_new_array(doc, 4); mb.x0 = page_details->mediabox.x0 + (w/xf)*x; if (x == xf-1) @@ -100,10 +100,10 @@ static void decimatepages(pdf_document *xref) else mb.y1 = page_details->mediabox.y0 + (h/yf)*(y+1); - pdf_array_push(newmediabox, pdf_new_real(ctx, mb.x0)); - pdf_array_push(newmediabox, pdf_new_real(ctx, mb.y0)); - pdf_array_push(newmediabox, pdf_new_real(ctx, mb.x1)); - pdf_array_push(newmediabox, pdf_new_real(ctx, mb.y1)); + pdf_array_push(newmediabox, pdf_new_real(doc, mb.x0)); + pdf_array_push(newmediabox, pdf_new_real(doc, mb.y0)); + pdf_array_push(newmediabox, pdf_new_real(doc, mb.x1)); + pdf_array_push(newmediabox, pdf_new_real(doc, mb.y1)); pdf_dict_puts(newpageobj, "Parent", parent); pdf_dict_puts(newpageobj, "MediaBox", newmediabox); @@ -119,7 +119,7 @@ static void decimatepages(pdf_document *xref) pdf_drop_obj(parent); /* Update page count and kids array */ - pdf_dict_puts(pages, "Count", pdf_new_int(ctx, kidcount)); + pdf_dict_puts(pages, "Count", pdf_new_int(doc, kidcount)); pdf_dict_puts(pages, "Kids", kids); pdf_drop_obj(kids); } @@ -131,7 +131,7 @@ int pdfposter_main(int argc, char **argv) char *password = ""; int c; fz_write_options opts; - pdf_document *xref; + pdf_document *doc; fz_context *ctx; opts.do_garbage = 0; @@ -167,17 +167,17 @@ int pdfposter_main(int argc, char **argv) exit(1); } - xref = pdf_open_document_no_run(ctx, infile); - if (pdf_needs_password(xref)) - if (!pdf_authenticate_password(xref, password)) + doc = pdf_open_document_no_run(ctx, infile); + if (pdf_needs_password(doc)) + if (!pdf_authenticate_password(doc, password)) fz_throw(ctx, FZ_ERROR_GENERIC, "cannot authenticate password: %s", infile); /* Only retain the specified subset of the pages */ - decimatepages(xref); + decimatepages(doc); - pdf_write_document(xref, outfile, &opts); + pdf_write_document(doc, outfile, &opts); - pdf_close_document(xref); + pdf_close_document(doc); fz_free_context(ctx); return 0; } |