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-rw-r--r--source/pdf/pdf-write.c246
1 files changed, 123 insertions, 123 deletions
diff --git a/source/pdf/pdf-write.c b/source/pdf/pdf-write.c
index 792ef69c..8a41898b 100644
--- a/source/pdf/pdf-write.c
+++ b/source/pdf/pdf-write.c
@@ -487,11 +487,11 @@ page_objects_dump(pdf_write_options *opts)
}
static void
-objects_dump(pdf_document *xref, pdf_write_options *opts)
+objects_dump(pdf_document *doc, pdf_write_options *opts)
{
int i;
- for (i=0; i < pdf_xref_len(xref); i++)
+ for (i=0; i < pdf_xref_len(doc); i++)
{
fprintf(stderr, "Object %d use=%x offset=%d\n", i, opts->use_list[i], opts->ofs_list[i]);
}
@@ -502,13 +502,13 @@ objects_dump(pdf_document *xref, pdf_write_options *opts)
* Garbage collect objects not reachable from the trailer.
*/
-static pdf_obj *sweepref(pdf_document *xref, pdf_write_options *opts, pdf_obj *obj)
+static pdf_obj *sweepref(pdf_document *doc, pdf_write_options *opts, pdf_obj *obj)
{
int num = pdf_to_num(obj);
int gen = pdf_to_gen(obj);
- fz_context *ctx = xref->ctx;
+ fz_context *ctx = doc->ctx;
- if (num < 0 || num >= pdf_xref_len(xref))
+ if (num < 0 || num >= pdf_xref_len(doc))
return NULL;
if (opts->use_list[num])
return NULL;
@@ -518,7 +518,7 @@ static pdf_obj *sweepref(pdf_document *xref, pdf_write_options *opts, pdf_obj *o
/* Bake in /Length in stream objects */
fz_try(ctx)
{
- if (pdf_is_stream(xref, num, gen))
+ if (pdf_is_stream(doc, num, gen))
{
pdf_obj *len = pdf_dict_gets(obj, "Length");
if (pdf_is_indirect(len))
@@ -538,25 +538,25 @@ static pdf_obj *sweepref(pdf_document *xref, pdf_write_options *opts, pdf_obj *o
return pdf_resolve_indirect(obj);
}
-static void sweepobj(pdf_document *xref, pdf_write_options *opts, pdf_obj *obj)
+static void sweepobj(pdf_document *doc, pdf_write_options *opts, pdf_obj *obj)
{
int i;
if (pdf_is_indirect(obj))
- obj = sweepref(xref, opts, obj);
+ obj = sweepref(doc, opts, obj);
if (pdf_is_dict(obj))
{
int n = pdf_dict_len(obj);
for (i = 0; i < n; i++)
- sweepobj(xref, opts, pdf_dict_get_val(obj, i));
+ sweepobj(doc, opts, pdf_dict_get_val(obj, i));
}
else if (pdf_is_array(obj))
{
int n = pdf_array_len(obj);
for (i = 0; i < n; i++)
- sweepobj(xref, opts, pdf_array_get(obj, i));
+ sweepobj(doc, opts, pdf_array_get(obj, i));
}
}
@@ -564,11 +564,11 @@ static void sweepobj(pdf_document *xref, pdf_write_options *opts, pdf_obj *obj)
* Scan for and remove duplicate objects (slow)
*/
-static void removeduplicateobjs(pdf_document *xref, pdf_write_options *opts)
+static void removeduplicateobjs(pdf_document *doc, pdf_write_options *opts)
{
int num, other;
- fz_context *ctx = xref->ctx;
- int xref_len = pdf_xref_len(xref);
+ fz_context *ctx = doc->ctx;
+ int xref_len = pdf_xref_len(doc);
for (num = 1; num < xref_len; num++)
{
@@ -589,8 +589,8 @@ static void removeduplicateobjs(pdf_document *xref, pdf_write_options *opts)
*/
fz_try(ctx)
{
- streama = pdf_is_stream(xref, num, 0);
- streamb = pdf_is_stream(xref, other, 0);
+ streama = pdf_is_stream(doc, num, 0);
+ streamb = pdf_is_stream(doc, other, 0);
differ = streama || streamb;
if (streama && streamb && opts->do_garbage >= 4)
differ = 0;
@@ -603,8 +603,8 @@ static void removeduplicateobjs(pdf_document *xref, pdf_write_options *opts)
if (differ)
continue;
- a = pdf_get_xref_entry(xref, num)->obj;
- b = pdf_get_xref_entry(xref, other)->obj;
+ a = pdf_get_xref_entry(doc, num)->obj;
+ b = pdf_get_xref_entry(doc, other)->obj;
a = pdf_resolve_indirect(a);
b = pdf_resolve_indirect(b);
@@ -626,8 +626,8 @@ static void removeduplicateobjs(pdf_document *xref, pdf_write_options *opts)
{
unsigned char *dataa, *datab;
int lena, lenb;
- sa = pdf_load_raw_renumbered_stream(xref, num, 0, num, 0);
- sb = pdf_load_raw_renumbered_stream(xref, other, 0, other, 0);
+ sa = pdf_load_raw_renumbered_stream(doc, num, 0, num, 0);
+ sb = pdf_load_raw_renumbered_stream(doc, other, 0, other, 0);
lena = fz_buffer_storage(ctx, sa, &dataa);
lenb = fz_buffer_storage(ctx, sb, &datab);
if (lena == lenb && memcmp(dataa, datab, lena) == 0)
@@ -665,10 +665,10 @@ static void removeduplicateobjs(pdf_document *xref, pdf_write_options *opts)
* This code assumes that any opts->renumber_map[n] <= n for all n.
*/
-static void compactxref(pdf_document *xref, pdf_write_options *opts)
+static void compactxref(pdf_document *doc, pdf_write_options *opts)
{
int num, newnum;
- int xref_len = pdf_xref_len(xref);
+ int xref_len = pdf_xref_len(doc);
/*
* Update renumber_map in-place, clustering all used
@@ -839,9 +839,9 @@ static void page_objects_list_renumber(pdf_write_options *opts)
}
static void
-mark_all(pdf_document *xref, pdf_write_options *opts, pdf_obj *val, int flag, int page)
+mark_all(pdf_document *doc, pdf_write_options *opts, pdf_obj *val, int flag, int page)
{
- fz_context *ctx = xref->ctx;
+ fz_context *ctx = doc->ctx;
if (pdf_obj_mark(val))
return;
@@ -866,7 +866,7 @@ mark_all(pdf_document *xref, pdf_write_options *opts, pdf_obj *val, int flag, in
for (i = 0; i < n; i++)
{
- mark_all(xref, opts, pdf_dict_get_val(val, i), flag, page);
+ mark_all(doc, opts, pdf_dict_get_val(val, i), flag, page);
}
}
else if (pdf_is_array(val))
@@ -875,7 +875,7 @@ mark_all(pdf_document *xref, pdf_write_options *opts, pdf_obj *val, int flag, in
for (i = 0; i < n; i++)
{
- mark_all(xref, opts, pdf_array_get(val, i), flag, page);
+ mark_all(doc, opts, pdf_array_get(val, i), flag, page);
}
}
}
@@ -890,9 +890,9 @@ mark_all(pdf_document *xref, pdf_write_options *opts, pdf_obj *val, int flag, in
}
static int
-mark_pages(pdf_document *xref, pdf_write_options *opts, pdf_obj *val, int pagenum)
+mark_pages(pdf_document *doc, pdf_write_options *opts, pdf_obj *val, int pagenum)
{
- fz_context *ctx = xref->ctx;
+ fz_context *ctx = doc->ctx;
if (pdf_obj_mark(val))
return pagenum;
@@ -905,7 +905,7 @@ mark_pages(pdf_document *xref, pdf_write_options *opts, pdf_obj *val, int pagenu
{
int num = pdf_to_num(val);
pdf_obj_unmark(val);
- mark_all(xref, opts, val, pagenum == 0 ? USE_PAGE1 : (pagenum<<USE_PAGE_SHIFT), pagenum);
+ mark_all(doc, opts, val, pagenum == 0 ? USE_PAGE1 : (pagenum<<USE_PAGE_SHIFT), pagenum);
page_objects_list_set_page_object(ctx, opts, pagenum, num);
pagenum++;
opts->use_list[num] |= USE_PAGE_OBJECT;
@@ -920,9 +920,9 @@ mark_pages(pdf_document *xref, pdf_write_options *opts, pdf_obj *val, int pagenu
pdf_obj *obj = pdf_dict_get_val(val, i);
if (!strcmp("Kids", pdf_to_name(key)))
- pagenum = mark_pages(xref, opts, obj, pagenum);
+ pagenum = mark_pages(doc, opts, obj, pagenum);
else
- mark_all(xref, opts, obj, USE_CATALOGUE, -1);
+ mark_all(doc, opts, obj, USE_CATALOGUE, -1);
}
if (pdf_is_indirect(val))
@@ -938,7 +938,7 @@ mark_pages(pdf_document *xref, pdf_write_options *opts, pdf_obj *val, int pagenu
for (i = 0; i < n; i++)
{
- pagenum = mark_pages(xref, opts, pdf_array_get(val, i), pagenum);
+ pagenum = mark_pages(doc, opts, pdf_array_get(val, i), pagenum);
}
if (pdf_is_indirect(val))
{
@@ -959,9 +959,9 @@ mark_pages(pdf_document *xref, pdf_write_options *opts, pdf_obj *val, int pagenu
}
static void
-mark_root(pdf_document *xref, pdf_write_options *opts, pdf_obj *dict)
+mark_root(pdf_document *doc, pdf_write_options *opts, pdf_obj *dict)
{
- fz_context *ctx = xref->ctx;
+ fz_context *ctx = doc->ctx;
int i, n = pdf_dict_len(dict);
if (pdf_obj_mark(dict))
@@ -981,11 +981,11 @@ mark_root(pdf_document *xref, pdf_write_options *opts, pdf_obj *dict)
pdf_obj *val = pdf_dict_get_val(dict, i);
if (!strcmp("Pages", key))
- opts->page_count = mark_pages(xref, opts, val, 0);
+ opts->page_count = mark_pages(doc, opts, val, 0);
else if (!strcmp("Names", key))
- mark_all(xref, opts, val, USE_OTHER_OBJECTS, -1);
+ mark_all(doc, opts, val, USE_OTHER_OBJECTS, -1);
else if (!strcmp("Dests", key))
- mark_all(xref, opts, val, USE_OTHER_OBJECTS, -1);
+ mark_all(doc, opts, val, USE_OTHER_OBJECTS, -1);
else if (!strcmp("Outlines", key))
{
int section;
@@ -995,10 +995,10 @@ mark_root(pdf_document *xref, pdf_write_options *opts, pdf_obj *dict)
section = USE_PAGE1;
else
section = USE_OTHER_OBJECTS;
- mark_all(xref, opts, val, section, -1);
+ mark_all(doc, opts, val, section, -1);
}
else
- mark_all(xref, opts, val, USE_CATALOGUE, -1);
+ mark_all(doc, opts, val, USE_CATALOGUE, -1);
}
}
fz_always(ctx)
@@ -1012,9 +1012,9 @@ mark_root(pdf_document *xref, pdf_write_options *opts, pdf_obj *dict)
}
static void
-mark_trailer(pdf_document *xref, pdf_write_options *opts, pdf_obj *dict)
+mark_trailer(pdf_document *doc, pdf_write_options *opts, pdf_obj *dict)
{
- fz_context *ctx = xref->ctx;
+ fz_context *ctx = doc->ctx;
int i, n = pdf_dict_len(dict);
if (pdf_obj_mark(dict))
@@ -1028,9 +1028,9 @@ mark_trailer(pdf_document *xref, pdf_write_options *opts, pdf_obj *dict)
pdf_obj *val = pdf_dict_get_val(dict, i);
if (!strcmp("Root", key))
- mark_root(xref, opts, val);
+ mark_root(doc, opts, val);
else
- mark_all(xref, opts, val, USE_CATALOGUE, -1);
+ mark_all(doc, opts, val, USE_CATALOGUE, -1);
}
}
fz_always(ctx)
@@ -1311,14 +1311,14 @@ pdf_localise_page_resources(pdf_document *doc)
}
static void
-linearize(pdf_document *xref, pdf_write_options *opts)
+linearize(pdf_document *doc, pdf_write_options *opts)
{
int i;
- int n = pdf_xref_len(xref) + 2;
+ int n = pdf_xref_len(doc) + 2;
int *reorder;
int *rev_renumber_map;
int *rev_gen_list;
- fz_context *ctx = xref->ctx;
+ fz_context *ctx = doc->ctx;
opts->page_object_lists = page_objects_list_create(ctx);
@@ -1326,18 +1326,18 @@ linearize(pdf_document *xref, pdf_write_options *opts)
/* FIXME: We could 'thin' the resources according to what is actually
* required for each page, but this would require us to run the page
* content streams. */
- pdf_localise_page_resources(xref);
+ pdf_localise_page_resources(doc);
/* Walk the objects for each page, marking which ones are used, where */
memset(opts->use_list, 0, n * sizeof(int));
- mark_trailer(xref, opts, pdf_trailer(xref));
+ mark_trailer(doc, opts, pdf_trailer(doc));
/* Add new objects required for linearization */
- add_linearization_objs(xref, opts);
+ add_linearization_objs(doc, opts);
#ifdef DEBUG_WRITING
fprintf(stderr, "Usage calculated:\n");
- for (i=0; i < pdf_xref_len(xref); i++)
+ for (i=0; i < pdf_xref_len(doc); i++)
{
fprintf(stderr, "%d: use=%d\n", i, opts->use_list[i]);
}
@@ -1357,7 +1357,7 @@ linearize(pdf_document *xref, pdf_write_options *opts)
#ifdef DEBUG_WRITING
fprintf(stderr, "Reordered:\n");
- for (i=1; i < pdf_xref_len(xref); i++)
+ for (i=1; i < pdf_xref_len(doc); i++)
{
fprintf(stderr, "%d: use=%d\n", i, opts->use_list[reorder[i]]);
}
@@ -1382,21 +1382,21 @@ linearize(pdf_document *xref, pdf_write_options *opts)
/* Apply the renumber_map */
page_objects_list_renumber(opts);
- renumberobjs(xref, opts);
+ renumberobjs(doc, opts);
page_objects_list_sort_and_dedupe(ctx, opts->page_object_lists);
}
static void
-update_linearization_params(pdf_document *xref, pdf_write_options *opts)
+update_linearization_params(pdf_document *doc, pdf_write_options *opts)
{
int offset;
pdf_set_int(opts->linear_l, opts->file_len);
/* Primary hint stream offset (of object, not stream!) */
- pdf_set_int(opts->linear_h0, opts->ofs_list[pdf_xref_len(xref)-1]);
+ pdf_set_int(opts->linear_h0, opts->ofs_list[pdf_xref_len(doc)-1]);
/* Primary hint stream length (of object, not stream!) */
offset = (opts->start == 1 ? opts->main_xref_offset : opts->ofs_list[1] + opts->hintstream_len);
- pdf_set_int(opts->linear_h1, offset - opts->ofs_list[pdf_xref_len(xref)-1]);
+ pdf_set_int(opts->linear_h1, offset - opts->ofs_list[pdf_xref_len(doc)-1]);
/* Object number of first pages page object (the first object of page 0) */
pdf_set_int(opts->linear_o, opts->page_object_lists->page[0]->object[0]);
/* Offset of end of first page (first page is followed by primary
@@ -1419,17 +1419,17 @@ update_linearization_params(pdf_document *xref, pdf_write_options *opts)
* Make sure we have loaded objects from object streams.
*/
-static void preloadobjstms(pdf_document *xref)
+static void preloadobjstms(pdf_document *doc)
{
pdf_obj *obj;
int num;
- int xref_len = pdf_xref_len(xref);
+ int xref_len = pdf_xref_len(doc);
for (num = 0; num < xref_len; num++)
{
- if (pdf_get_xref_entry(xref, num)->type == 'o')
+ if (pdf_get_xref_entry(doc, num)->type == 'o')
{
- obj = pdf_load_object(xref, num, 0);
+ obj = pdf_load_object(doc, num, 0);
pdf_drop_obj(obj);
}
}
@@ -1614,7 +1614,7 @@ static int is_image_filter(char *s)
return 0;
}
-static int filter_implies_image(pdf_document *xref, pdf_obj *o)
+static int filter_implies_image(pdf_document *doc, pdf_obj *o)
{
if (!o)
return 0;
@@ -1631,16 +1631,16 @@ static int filter_implies_image(pdf_document *xref, pdf_obj *o)
return 0;
}
-static void writeobject(pdf_document *xref, pdf_write_options *opts, int num, int gen)
+static void writeobject(pdf_document *doc, pdf_write_options *opts, int num, int gen)
{
pdf_xref_entry *entry;
pdf_obj *obj;
pdf_obj *type;
- fz_context *ctx = xref->ctx;
+ fz_context *ctx = doc->ctx;
fz_try(ctx)
{
- obj = pdf_load_object(xref, num, gen);
+ obj = pdf_load_object(doc, num, gen);
}
fz_catch(ctx)
{
@@ -1675,8 +1675,8 @@ static void writeobject(pdf_document *xref, pdf_write_options *opts, int num, in
}
}
- entry = pdf_get_xref_entry(xref, num);
- if (!pdf_is_stream(xref, num, gen))
+ entry = pdf_get_xref_entry(doc, num);
+ if (!pdf_is_stream(doc, num, gen))
{
fprintf(opts->out, "%d %d obj\n", num, gen);
pdf_fprint_obj(opts->out, obj, opts->do_expand == 0);
@@ -1712,7 +1712,7 @@ static void writeobject(pdf_document *xref, pdf_write_options *opts, int num, in
dontexpand = !(opts->do_expand & fz_expand_fonts);
if (o = pdf_dict_gets(obj, "Subtype"), !strcmp(pdf_to_name(o), "CIDFontType0C"))
dontexpand = !(opts->do_expand & fz_expand_fonts);
- if (o = pdf_dict_gets(obj, "Filter"), filter_implies_image(xref, o))
+ if (o = pdf_dict_gets(obj, "Filter"), filter_implies_image(doc, o))
dontexpand = !(opts->do_expand & fz_expand_images);
if (pdf_dict_gets(obj, "Width") != NULL && pdf_dict_gets(obj, "Height") != NULL)
dontexpand = !(opts->do_expand & fz_expand_images);
@@ -1720,9 +1720,9 @@ static void writeobject(pdf_document *xref, pdf_write_options *opts, int num, in
fz_try(ctx)
{
if (opts->do_expand && !dontexpand && !pdf_is_jpx_image(ctx, obj))
- expandstream(xref, opts, obj, num, gen);
+ expandstream(doc, opts, obj, num, gen);
else
- copystream(xref, opts, obj, num, gen);
+ copystream(doc, opts, obj, num, gen);
}
fz_catch(ctx)
{
@@ -1830,9 +1830,9 @@ padto(FILE *file, int target)
}
static void
-dowriteobject(pdf_document *xref, pdf_write_options *opts, int num, int pass)
+dowriteobject(pdf_document *doc, pdf_write_options *opts, int num, int pass)
{
- pdf_xref_entry *entry = pdf_get_xref_entry(xref, num);
+ pdf_xref_entry *entry = pdf_get_xref_entry(doc, num);
if (entry->type == 'f')
opts->gen_list[num] = entry->gen;
if (entry->type == 'n')
@@ -1856,22 +1856,22 @@ dowriteobject(pdf_document *xref, pdf_write_options *opts, int num, int pass)
if (pass > 0)
padto(opts->out, opts->ofs_list[num]);
opts->ofs_list[num] = ftell(opts->out);
- writeobject(xref, opts, num, opts->gen_list[num]);
+ writeobject(doc, opts, num, opts->gen_list[num]);
}
else
opts->use_list[num] = 0;
}
static void
-writeobjects(pdf_document *xref, pdf_write_options *opts, int pass)
+writeobjects(pdf_document *doc, pdf_write_options *opts, int pass)
{
int num;
- int xref_len = pdf_xref_len(xref);
+ int xref_len = pdf_xref_len(doc);
- fprintf(opts->out, "%%PDF-%d.%d\n", xref->version / 10, xref->version % 10);
+ fprintf(opts->out, "%%PDF-%d.%d\n", doc->version / 10, doc->version % 10);
fprintf(opts->out, "%%\316\274\341\277\246\n\n");
- dowriteobject(xref, opts, opts->start, pass);
+ dowriteobject(doc, opts, opts->start, pass);
if (opts->do_linear)
{
@@ -1880,11 +1880,11 @@ writeobjects(pdf_document *xref, pdf_write_options *opts, int pass)
opts->first_xref_offset = ftell(opts->out);
else
padto(opts->out, opts->first_xref_offset);
- writexref(xref, opts, opts->start, pdf_xref_len(xref), 1, opts->main_xref_offset, 0);
+ writexref(doc, opts, opts->start, pdf_xref_len(doc), 1, opts->main_xref_offset, 0);
}
for (num = opts->start+1; num < xref_len; num++)
- dowriteobject(xref, opts, num, pass);
+ dowriteobject(doc, opts, num, pass);
if (opts->do_linear && pass == 1)
{
int offset = (opts->start == 1 ? opts->main_xref_offset : opts->ofs_list[1] + opts->hintstream_len);
@@ -1894,7 +1894,7 @@ writeobjects(pdf_document *xref, pdf_write_options *opts, int pass)
{
if (pass == 1)
opts->ofs_list[num] += opts->hintstream_len;
- dowriteobject(xref, opts, num, pass);
+ dowriteobject(doc, opts, num, pass);
}
}
@@ -1916,9 +1916,9 @@ my_log2(int x)
}
static void
-make_page_offset_hints(pdf_document *xref, pdf_write_options *opts, fz_buffer *buf)
+make_page_offset_hints(pdf_document *doc, pdf_write_options *opts, fz_buffer *buf)
{
- fz_context *ctx = xref->ctx;
+ fz_context *ctx = doc->ctx;
int i, j;
int min_objs_per_page, max_objs_per_page;
int min_page_length, max_page_length;
@@ -1929,9 +1929,9 @@ make_page_offset_hints(pdf_document *xref, pdf_write_options *opts, fz_buffer *b
page_objects **pop = &opts->page_object_lists->page[0];
int page_len_bits, shared_object_bits, shared_object_id_bits;
int shared_length_bits;
- int xref_len = pdf_xref_len(xref);
+ int xref_len = pdf_xref_len(doc);
- min_shared_object = pdf_xref_len(xref);
+ min_shared_object = pdf_xref_len(doc);
max_shared_object = 1;
min_shared_length = opts->file_len;
max_shared_length = 0;
@@ -2187,15 +2187,15 @@ make_page_offset_hints(pdf_document *xref, pdf_write_options *opts, fz_buffer *b
}
static void
-make_hint_stream(pdf_document *xref, pdf_write_options *opts)
+make_hint_stream(pdf_document *doc, pdf_write_options *opts)
{
- fz_context *ctx = xref->ctx;
+ fz_context *ctx = doc->ctx;
fz_buffer *buf = fz_new_buffer(ctx, 100);
fz_try(ctx)
{
- make_page_offset_hints(xref, opts, buf);
- pdf_update_stream(xref, pdf_xref_len(xref)-1, buf);
+ make_page_offset_hints(doc, opts, buf);
+ pdf_update_stream(doc, pdf_xref_len(doc)-1, buf);
opts->hintstream_len = buf->len;
fz_drop_buffer(ctx, buf);
}
@@ -2207,18 +2207,18 @@ make_hint_stream(pdf_document *xref, pdf_write_options *opts)
}
#ifdef DEBUG_WRITING
-static void dump_object_details(pdf_document *xref, pdf_write_options *opts)
+static void dump_object_details(pdf_document *doc, pdf_write_options *opts)
{
int i;
- for (i = 0; i < pdf_xref_len(xref); i++)
+ for (i = 0; i < pdf_xref_len(doc); i++)
{
fprintf(stderr, "%d@%d: use=%d\n", i, opts->ofs_list[i], opts->use_list[i]);
}
}
#endif
-void pdf_write_document(pdf_document *xref, char *filename, fz_write_options *fz_opts)
+void pdf_write_document(pdf_document *doc, char *filename, fz_write_options *fz_opts)
{
int lastfree;
int num;
@@ -2226,14 +2226,14 @@ void pdf_write_document(pdf_document *xref, char *filename, fz_write_options *fz
fz_context *ctx;
int xref_len;
- if (!xref)
+ if (!doc)
return;
- ctx = xref->ctx;
+ ctx = doc->ctx;
- pdf_finish_edit(xref);
+ pdf_finish_edit(doc);
- xref_len = pdf_xref_len(xref);
+ xref_len = pdf_xref_len(doc);
opts.out = fopen(filename, "wb");
if (!opts.out)
@@ -2250,12 +2250,12 @@ void pdf_write_document(pdf_document *xref, char *filename, fz_write_options *fz
/* We deliberately make these arrays long enough to cope with
* 1 to n access rather than 0..n-1, and add space for 2 new
* extra entries that may be required for linearization. */
- opts.use_list = fz_malloc_array(ctx, pdf_xref_len(xref) + 3, sizeof(int));
- opts.ofs_list = fz_malloc_array(ctx, pdf_xref_len(xref) + 3, sizeof(int));
- opts.gen_list = fz_calloc(ctx, pdf_xref_len(xref) + 3, sizeof(int));
- opts.renumber_map = fz_malloc_array(ctx, pdf_xref_len(xref) + 3, sizeof(int));
- opts.rev_renumber_map = fz_malloc_array(ctx, pdf_xref_len(xref) + 3, sizeof(int));
- opts.rev_gen_list = fz_malloc_array(ctx, pdf_xref_len(xref) + 3, sizeof(int));
+ opts.use_list = fz_malloc_array(ctx, pdf_xref_len(doc) + 3, sizeof(int));
+ opts.ofs_list = fz_malloc_array(ctx, pdf_xref_len(doc) + 3, sizeof(int));
+ opts.gen_list = fz_calloc(ctx, pdf_xref_len(doc) + 3, sizeof(int));
+ opts.renumber_map = fz_malloc_array(ctx, pdf_xref_len(doc) + 3, sizeof(int));
+ opts.rev_renumber_map = fz_malloc_array(ctx, pdf_xref_len(doc) + 3, sizeof(int));
+ opts.rev_gen_list = fz_malloc_array(ctx, pdf_xref_len(doc) + 3, sizeof(int));
opts.continue_on_error = fz_opts->continue_on_error;
opts.errors = fz_opts->errors;
@@ -2265,40 +2265,40 @@ void pdf_write_document(pdf_document *xref, char *filename, fz_write_options *fz
opts.ofs_list[num] = 0;
opts.renumber_map[num] = num;
opts.rev_renumber_map[num] = num;
- opts.rev_gen_list[num] = pdf_get_xref_entry(xref, num)->gen;
+ opts.rev_gen_list[num] = pdf_get_xref_entry(doc, num)->gen;
}
/* Make sure any objects hidden in compressed streams have been loaded */
- preloadobjstms(xref);
+ preloadobjstms(doc);
/* Sweep & mark objects from the trailer */
if (opts.do_garbage >= 1)
- sweepobj(xref, &opts, pdf_trailer(xref));
+ sweepobj(doc, &opts, pdf_trailer(doc));
else
for (num = 0; num < xref_len; num++)
opts.use_list[num] = 1;
/* Coalesce and renumber duplicate objects */
if (opts.do_garbage >= 3)
- removeduplicateobjs(xref, &opts);
+ removeduplicateobjs(doc, &opts);
/* Compact xref by renumbering and removing unused objects */
if (opts.do_garbage >= 2 || opts.do_linear)
- compactxref(xref, &opts);
+ compactxref(doc, &opts);
/* Make renumbering affect all indirect references and update xref */
if (opts.do_garbage >= 2 || opts.do_linear)
- renumberobjs(xref, &opts);
+ renumberobjs(doc, &opts);
if (opts.do_linear)
{
- linearize(xref, &opts);
+ linearize(doc, &opts);
}
- writeobjects(xref, &opts, 0);
+ writeobjects(doc, &opts, 0);
#ifdef DEBUG_WRITING
- dump_object_details(xref, &opts);
+ dump_object_details(doc, &opts);
#endif
/* Construct linked list of free object slots */
@@ -2316,32 +2316,32 @@ void pdf_write_document(pdf_document *xref, char *filename, fz_write_options *fz
if (opts.do_linear)
{
opts.main_xref_offset = ftell(opts.out);
- writexref(xref, &opts, 0, opts.start, 0, 0, opts.first_xref_offset);
+ writexref(doc, &opts, 0, opts.start, 0, 0, opts.first_xref_offset);
opts.file_len = ftell(opts.out);
- make_hint_stream(xref, &opts);
+ make_hint_stream(doc, &opts);
opts.file_len += opts.hintstream_len;
opts.main_xref_offset += opts.hintstream_len;
- update_linearization_params(xref, &opts);
+ update_linearization_params(doc, &opts);
fseek(opts.out, 0, 0);
- writeobjects(xref, &opts, 1);
+ writeobjects(doc, &opts, 1);
padto(opts.out, opts.main_xref_offset);
- writexref(xref, &opts, 0, opts.start, 0, 0, opts.first_xref_offset);
+ writexref(doc, &opts, 0, opts.start, 0, 0, opts.first_xref_offset);
}
else
{
opts.first_xref_offset = ftell(opts.out);
- writexref(xref, &opts, 0, xref_len, 1, 0, opts.first_xref_offset);
+ writexref(doc, &opts, 0, xref_len, 1, 0, opts.first_xref_offset);
}
- xref->dirty = 0;
+ doc->dirty = 0;
}
fz_always(ctx)
{
#ifdef DEBUG_LINEARIZATION
page_objects_dump(&opts);
- objects_dump(xref, &opts);
+ objects_dump(doc, &opts);
#endif
fz_free(ctx, opts.use_list);
fz_free(ctx, opts.ofs_list);
@@ -2435,26 +2435,26 @@ make_page_tree_node(pdf_document *doc, int l, int r, pdf_obj *parent_ref, int ro
}
static void
-pdf_rebuild_page_tree(pdf_document *xref)
+pdf_rebuild_page_tree(pdf_document *doc)
{
pdf_obj *catalog;
pdf_obj *pages;
- if (!xref || !xref->needs_page_tree_rebuild)
+ if (!doc || !doc->needs_page_tree_rebuild)
return;
- catalog = pdf_dict_gets(pdf_trailer(xref), "Root");
- pages = make_page_tree_node(xref, 0, xref->page_len, catalog, 1);
+ catalog = pdf_dict_gets(pdf_trailer(doc), "Root");
+ pages = make_page_tree_node(doc, 0, doc->page_len, catalog, 1);
pdf_dict_puts_drop(catalog, "Pages", pages);
- xref->needs_page_tree_rebuild = 0;
+ doc->needs_page_tree_rebuild = 0;
}
-void pdf_finish_edit(pdf_document *xref)
+void pdf_finish_edit(pdf_document *doc)
{
- if (!xref)
+ if (!doc)
return;
- pdf_rebuild_page_tree(xref);
+ pdf_rebuild_page_tree(doc);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 02:06:55 +0000