mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
synced 2026-05-05 13:28:03 +02:00
pdf: convert all document interchange features to use object streams
This commit is contained in:
Adrian Johnson
parent
bd514f6b08
commit
90193cc3a2
2 changed files with 186 additions and 136 deletions
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@ -228,34 +228,36 @@ cairo_pdf_interchange_write_node_object (cairo_pdf_surface_t *surface
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int i, num_mcid, first_page;
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cairo_pdf_resource_t *page_res;
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cairo_pdf_struct_tree_node_t *child;
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cairo_int_status_t status;
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_cairo_pdf_surface_update_object (surface, node->res);
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\n"
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status = _cairo_pdf_surface_object_begin (surface, node->res);
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if (unlikely (status))
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return status;
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_cairo_output_stream_printf (surface->object_stream.stream,
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"<< /Type /StructElem\n"
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" /S /%s\n"
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" /P %d 0 R\n",
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node->res.id,
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node->name,
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node->parent->res.id);
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if (! cairo_list_is_empty (&node->children)) {
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if (cairo_list_is_singular (&node->children) && node->annot_res.id == 0) {
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child = cairo_list_first_entry (&node->children, cairo_pdf_struct_tree_node_t, link);
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_cairo_output_stream_printf (surface->output, " /K %d 0 R\n", child->res.id);
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_cairo_output_stream_printf (surface->object_stream.stream, " /K %d 0 R\n", child->res.id);
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} else {
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_cairo_output_stream_printf (surface->output, " /K [ ");
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_cairo_output_stream_printf (surface->object_stream.stream, " /K [ ");
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if (node->annot_res.id != 0) {
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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"<< /Type /OBJR /Obj %d 0 R >> ",
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node->annot_res.id);
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}
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cairo_list_foreach_entry (child, cairo_pdf_struct_tree_node_t,
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&node->children, link)
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{
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_cairo_output_stream_printf (surface->output, "%d 0 R ", child->res.id);
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_cairo_output_stream_printf (surface->object_stream.stream, "%d 0 R ", child->res.id);
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}
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_cairo_output_stream_printf (surface->output, "]\n");
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_cairo_output_stream_printf (surface->object_stream.stream, "]\n");
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}
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} else {
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num_mcid = _cairo_array_num_elements (&node->mcid);
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@ -263,14 +265,14 @@ cairo_pdf_interchange_write_node_object (cairo_pdf_surface_t *surface
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mcid_elem = _cairo_array_index (&node->mcid, 0);
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first_page = mcid_elem->page;
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page_res = _cairo_array_index (&surface->pages, first_page - 1);
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_cairo_output_stream_printf (surface->output, " /Pg %d 0 R\n", page_res->id);
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_cairo_output_stream_printf (surface->object_stream.stream, " /Pg %d 0 R\n", page_res->id);
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if (num_mcid == 1 && node->annot_res.id == 0) {
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_cairo_output_stream_printf (surface->output, " /K %d\n", mcid_elem->mcid);
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_cairo_output_stream_printf (surface->object_stream.stream, " /K %d\n", mcid_elem->mcid);
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} else {
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_cairo_output_stream_printf (surface->output, " /K [ ");
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_cairo_output_stream_printf (surface->object_stream.stream, " /K [ ");
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if (node->annot_res.id != 0) {
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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"<< /Type /OBJR /Obj %d 0 R >> ",
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node->annot_res.id);
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}
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@ -278,23 +280,24 @@ cairo_pdf_interchange_write_node_object (cairo_pdf_surface_t *surface
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mcid_elem = _cairo_array_index (&node->mcid, i);
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page_res = _cairo_array_index (&surface->pages, mcid_elem->page - 1);
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if (mcid_elem->page == first_page) {
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_cairo_output_stream_printf (surface->output, "%d ", mcid_elem->mcid);
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_cairo_output_stream_printf (surface->object_stream.stream, "%d ", mcid_elem->mcid);
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} else {
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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"\n << /Type /MCR /Pg %d 0 R /MCID %d >> ",
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page_res->id,
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mcid_elem->mcid);
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}
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}
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_cairo_output_stream_printf (surface->output, "]\n");
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_cairo_output_stream_printf (surface->object_stream.stream, "]\n");
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}
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}
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}
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_cairo_output_stream_printf (surface->output,
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">>\n"
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"endobj\n");
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_cairo_output_stream_printf (surface->object_stream.stream,
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">>\n");
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return _cairo_output_stream_get_status (surface->output);
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_cairo_pdf_surface_object_end (surface);
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return _cairo_output_stream_get_status (surface->object_stream.stream);
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}
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static void
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@ -338,13 +341,13 @@ cairo_pdf_interchange_write_explicit_dest (cairo_pdf_surface_t *surface,
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_cairo_array_copy_element (&surface->page_heights, page - 1, &height);
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_cairo_array_copy_element (&surface->pages, page - 1, &res);
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if (has_pos) {
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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"[%d 0 R /XYZ %f %f 0]\n",
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res.id,
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x,
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height - y);
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} else {
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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"[%d 0 R /XYZ null null 0]\n",
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res.id);
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}
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@ -387,7 +390,7 @@ cairo_pdf_interchange_write_dest (cairo_pdf_surface_t *surface,
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if (named_dest->attrs.y_valid)
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y = named_dest->attrs.y;
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_cairo_output_stream_printf (surface->output, " /Dest ");
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_cairo_output_stream_printf (surface->object_stream.stream, " /Dest ");
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status = cairo_pdf_interchange_write_explicit_dest (surface,
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named_dest->page,
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TRUE,
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@ -401,7 +404,7 @@ cairo_pdf_interchange_write_dest (cairo_pdf_surface_t *surface,
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if (unlikely (status))
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return status;
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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" /Dest %s\n",
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dest);
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free (dest);
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@ -410,7 +413,7 @@ cairo_pdf_interchange_write_dest (cairo_pdf_surface_t *surface,
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return CAIRO_INT_STATUS_TAG_ERROR;
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if (link_attrs->page <= (int)_cairo_array_num_elements (&surface->pages)) {
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_cairo_output_stream_printf (surface->output, " /Dest ");
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_cairo_output_stream_printf (surface->object_stream.stream, " /Dest ");
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status = cairo_pdf_interchange_write_explicit_dest (surface,
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link_attrs->page,
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link_attrs->has_pos,
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@ -428,7 +431,7 @@ cairo_pdf_interchange_write_dest (cairo_pdf_surface_t *surface,
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if (link_res.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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" /Dest %d 0 R\n",
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link_res.id);
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@ -456,7 +459,7 @@ cairo_pdf_interchange_write_link_action (cairo_pdf_surface_t *surface,
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return status;
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} else if (link_attrs->link_type == TAG_LINK_URI) {
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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" /A <<\n"
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" /Type /Action\n"
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" /S /URI\n"
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@ -464,7 +467,7 @@ cairo_pdf_interchange_write_link_action (cairo_pdf_surface_t *surface,
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" >>\n",
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link_attrs->uri);
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} else if (link_attrs->link_type == TAG_LINK_FILE) {
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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" /A <<\n"
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" /Type /Action\n"
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" /S /GoToR\n"
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@ -475,24 +478,24 @@ cairo_pdf_interchange_write_link_action (cairo_pdf_surface_t *surface,
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if (unlikely (status))
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return status;
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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" /D %s\n",
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dest);
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free (dest);
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} else {
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if (link_attrs->has_pos) {
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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" /D [%d %f %f 0]\n",
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link_attrs->page,
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link_attrs->pos.x,
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link_attrs->pos.y);
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} else {
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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" /D [%d null null 0]\n",
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link_attrs->page);
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}
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}
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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" >>\n");
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}
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@ -522,25 +525,28 @@ cairo_pdf_interchange_write_annot (cairo_pdf_surface_t *surface,
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sp = _cairo_array_num_elements (&ic->parent_tree) - 1;
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node->annot_res = _cairo_pdf_surface_new_object (surface);
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if (node->annot_res.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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status = _cairo_array_append (&surface->page_annots, &node->annot_res);
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if (unlikely (status))
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return status;
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_cairo_pdf_surface_update_object (surface, node->annot_res);
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\n"
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status = _cairo_pdf_surface_object_begin (surface, node->annot_res);
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if (unlikely (status))
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return status;
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_cairo_output_stream_printf (surface->object_stream.stream,
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"<< /Type /Annot\n"
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" /Subtype /Link\n"
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" /StructParent %d\n",
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node->annot_res.id,
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sp);
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height = surface->height;
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if (num_rects > 0) {
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cairo_rectangle_int_t bbox_rect;
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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" /QuadPoints [ ");
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for (i = 0; i < num_rects; i++) {
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cairo_rectangle_t rectf;
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@ -553,31 +559,31 @@ cairo_pdf_interchange_write_annot (cairo_pdf_surface_t *surface,
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else
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_cairo_rectangle_union (&bbox_rect, &recti);
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write_rect_to_pdf_quad_points (surface->output, &rectf, height);
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_cairo_output_stream_printf (surface->output, " ");
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write_rect_to_pdf_quad_points (surface->object_stream.stream, &rectf, height);
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_cairo_output_stream_printf (surface->object_stream.stream, " ");
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}
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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"]\n"
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" /Rect [ ");
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write_rect_int_to_pdf_bbox (surface->output, &bbox_rect, height);
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_cairo_output_stream_printf (surface->output, " ]\n");
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write_rect_int_to_pdf_bbox (surface->object_stream.stream, &bbox_rect, height);
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_cairo_output_stream_printf (surface->object_stream.stream, " ]\n");
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} else {
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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" /Rect [ ");
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write_rect_int_to_pdf_bbox (surface->output, &node->extents.extents, height);
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_cairo_output_stream_printf (surface->output, " ]\n");
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write_rect_int_to_pdf_bbox (surface->object_stream.stream, &node->extents.extents, height);
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_cairo_output_stream_printf (surface->object_stream.stream, " ]\n");
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}
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status = cairo_pdf_interchange_write_link_action (surface, &annot->link_attrs);
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if (unlikely (status))
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return status;
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_cairo_output_stream_printf (surface->output,
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_cairo_output_stream_printf (surface->object_stream.stream,
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" /BS << /W 0 >>"
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">>\n"
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"endobj\n");
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">>\n");
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status = _cairo_output_stream_get_status (surface->output);
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_cairo_pdf_surface_object_end (surface);
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status = _cairo_output_stream_get_status (surface->object_stream.stream);
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}
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return status;
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@ -614,41 +620,47 @@ cairo_pdf_interchange_write_struct_tree (cairo_pdf_surface_t *surface)
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{
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cairo_pdf_interchange_t *ic = &surface->interchange;
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cairo_pdf_struct_tree_node_t *child;
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cairo_int_status_t status;
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if (cairo_list_is_empty (&ic->struct_root->children))
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return CAIRO_STATUS_SUCCESS;
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surface->struct_tree_root = _cairo_pdf_surface_new_object (surface);
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if (surface->struct_tree_root.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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ic->struct_root->res = surface->struct_tree_root;
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cairo_pdf_interchange_walk_struct_tree (surface, ic->struct_root, cairo_pdf_interchange_write_node_object);
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child = cairo_list_first_entry (&ic->struct_root->children, cairo_pdf_struct_tree_node_t, link);
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_cairo_pdf_surface_update_object (surface, surface->struct_tree_root);
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\n"
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status = _cairo_pdf_surface_object_begin (surface, surface->struct_tree_root);
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if (unlikely (status))
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return status;
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_cairo_output_stream_printf (surface->object_stream.stream,
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"<< /Type /StructTreeRoot\n"
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" /ParentTree %d 0 R\n",
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surface->struct_tree_root.id,
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ic->parent_tree_res.id);
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if (cairo_list_is_singular (&ic->struct_root->children)) {
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child = cairo_list_first_entry (&ic->struct_root->children, cairo_pdf_struct_tree_node_t, link);
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_cairo_output_stream_printf (surface->output, " /K [ %d 0 R ]\n", child->res.id);
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_cairo_output_stream_printf (surface->object_stream.stream, " /K [ %d 0 R ]\n", child->res.id);
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} else {
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_cairo_output_stream_printf (surface->output, " /K [ ");
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_cairo_output_stream_printf (surface->object_stream.stream, " /K [ ");
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cairo_list_foreach_entry (child, cairo_pdf_struct_tree_node_t,
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&ic->struct_root->children, link)
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{
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_cairo_output_stream_printf (surface->output, "%d 0 R ", child->res.id);
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_cairo_output_stream_printf (surface->object_stream.stream, "%d 0 R ", child->res.id);
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}
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_cairo_output_stream_printf (surface->output, "]\n");
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_cairo_output_stream_printf (surface->object_stream.stream, "]\n");
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}
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_cairo_output_stream_printf (surface->output,
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">>\n"
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"endobj\n");
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_cairo_output_stream_printf (surface->object_stream.stream,
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">>\n");
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_cairo_pdf_surface_object_end (surface);
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return CAIRO_STATUS_SUCCESS;
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}
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@ -686,17 +698,23 @@ cairo_pdf_interchange_write_page_parent_elems (cairo_pdf_surface_t *surface)
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num_elems = _cairo_array_num_elements (&ic->mcid_to_tree);
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if (num_elems > 0) {
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res = _cairo_pdf_surface_new_object (surface);
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\n"
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"[\n",
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res.id);
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if (res.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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status = _cairo_pdf_surface_object_begin (surface, res);
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if (unlikely (status))
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return status;
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_cairo_output_stream_printf (surface->object_stream.stream,
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"[\n");
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for (i = 0; i < num_elems; i++) {
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_cairo_array_copy_element (&ic->mcid_to_tree, i, &node);
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_cairo_output_stream_printf (surface->output, " %d 0 R\n", node->res.id);
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_cairo_output_stream_printf (surface->object_stream.stream, " %d 0 R\n", node->res.id);
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}
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_cairo_output_stream_printf (surface->output,
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"]\n"
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"endobj\n");
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_cairo_output_stream_printf (surface->object_stream.stream,
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"]\n");
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_cairo_pdf_surface_object_end (surface);
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status = _cairo_array_append (&ic->parent_tree, &res);
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surface->page_parent_tree = _cairo_array_num_elements (&ic->parent_tree) - 1;
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}
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@ -710,27 +728,33 @@ cairo_pdf_interchange_write_parent_tree (cairo_pdf_surface_t *surface)
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int num_elems, i;
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cairo_pdf_resource_t *res;
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cairo_pdf_interchange_t *ic = &surface->interchange;
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cairo_int_status_t status;
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num_elems = _cairo_array_num_elements (&ic->parent_tree);
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if (num_elems > 0) {
|
||||
ic->parent_tree_res = _cairo_pdf_surface_new_object (surface);
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\n"
|
||||
"<< /Nums [\n",
|
||||
ic->parent_tree_res.id);
|
||||
if (ic->parent_tree_res.id == 0)
|
||||
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
||||
|
||||
status = _cairo_pdf_surface_object_begin (surface, ic->parent_tree_res);
|
||||
if (unlikely (status))
|
||||
return status;
|
||||
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
"<< /Nums [\n");
|
||||
for (i = 0; i < num_elems; i++) {
|
||||
res = _cairo_array_index (&ic->parent_tree, i);
|
||||
if (res->id) {
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
" %d %d 0 R\n",
|
||||
i,
|
||||
res->id);
|
||||
}
|
||||
}
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
" ]\n"
|
||||
">>\n"
|
||||
"endobj\n");
|
||||
">>\n");
|
||||
_cairo_pdf_surface_object_end (surface);
|
||||
}
|
||||
|
||||
return CAIRO_STATUS_SUCCESS;
|
||||
|
|
@ -751,19 +775,24 @@ cairo_pdf_interchange_write_outline (cairo_pdf_surface_t *surface)
|
|||
|
||||
_cairo_array_copy_element (&ic->outline, 0, &outline);
|
||||
outline->res = _cairo_pdf_surface_new_object (surface);
|
||||
if (outline->res.id == 0)
|
||||
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
||||
|
||||
surface->outlines_dict_res = outline->res;
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\n"
|
||||
status = _cairo_pdf_surface_object_begin (surface, outline->res);
|
||||
if (unlikely (status))
|
||||
return status;
|
||||
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
"<< /Type /Outlines\n"
|
||||
" /First %d 0 R\n"
|
||||
" /Last %d 0 R\n"
|
||||
" /Count %d\n"
|
||||
">>\n"
|
||||
"endobj\n",
|
||||
outline->res.id,
|
||||
">>\n",
|
||||
outline->first_child->res.id,
|
||||
outline->last_child->res.id,
|
||||
outline->count);
|
||||
_cairo_pdf_surface_object_end (surface);
|
||||
|
||||
for (i = 1; i < num_elems; i++) {
|
||||
_cairo_array_copy_element (&ic->outline, i, &outline);
|
||||
|
|
@ -773,29 +802,31 @@ cairo_pdf_interchange_write_outline (cairo_pdf_surface_t *surface)
|
|||
if (unlikely (status))
|
||||
return status;
|
||||
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\n"
|
||||
status = _cairo_pdf_surface_object_begin (surface, outline->res);
|
||||
if (unlikely (status))
|
||||
return status;
|
||||
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
"<< /Title %s\n"
|
||||
" /Parent %d 0 R\n",
|
||||
outline->res.id,
|
||||
name,
|
||||
outline->parent->res.id);
|
||||
free (name);
|
||||
|
||||
if (outline->prev) {
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
" /Prev %d 0 R\n",
|
||||
outline->prev->res.id);
|
||||
}
|
||||
|
||||
if (outline->next) {
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
" /Next %d 0 R\n",
|
||||
outline->next->res.id);
|
||||
}
|
||||
|
||||
if (outline->first_child) {
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
" /First %d 0 R\n"
|
||||
" /Last %d 0 R\n"
|
||||
" /Count %d\n",
|
||||
|
|
@ -810,7 +841,7 @@ cairo_pdf_interchange_write_outline (cairo_pdf_surface_t *surface)
|
|||
flags |= 1;
|
||||
if (outline->flags & CAIRO_PDF_OUTLINE_FLAG_BOLD)
|
||||
flags |= 2;
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
" /F %d\n",
|
||||
flags);
|
||||
}
|
||||
|
|
@ -819,9 +850,9 @@ cairo_pdf_interchange_write_outline (cairo_pdf_surface_t *surface)
|
|||
if (unlikely (status))
|
||||
return status;
|
||||
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
">>\n"
|
||||
"endobj\n");
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
">>\n");
|
||||
_cairo_pdf_surface_object_end (surface);
|
||||
}
|
||||
|
||||
return status;
|
||||
|
|
@ -887,6 +918,7 @@ cairo_pdf_interchange_write_forward_links (cairo_pdf_surface_t *surface)
|
|||
{
|
||||
int num_elems, i;
|
||||
cairo_pdf_forward_link_t *link;
|
||||
cairo_int_status_t status;
|
||||
|
||||
num_elems = _cairo_array_num_elements (&surface->forward_links);
|
||||
for (i = 0; i < num_elems; i++) {
|
||||
|
|
@ -894,10 +926,9 @@ cairo_pdf_interchange_write_forward_links (cairo_pdf_surface_t *surface)
|
|||
if (link->page > (int)_cairo_array_num_elements (&surface->pages))
|
||||
return CAIRO_INT_STATUS_TAG_ERROR;
|
||||
|
||||
_cairo_pdf_surface_update_object (surface, link->res);
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\n",
|
||||
link->res.id);
|
||||
status = _cairo_pdf_surface_object_begin (surface, link->res);
|
||||
if (unlikely (status))
|
||||
return status;
|
||||
|
||||
cairo_pdf_interchange_write_explicit_dest (surface,
|
||||
link->page,
|
||||
|
|
@ -905,8 +936,7 @@ cairo_pdf_interchange_write_forward_links (cairo_pdf_surface_t *surface)
|
|||
link->pos.x,
|
||||
link->pos.y);
|
||||
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"endobj\n");
|
||||
_cairo_pdf_surface_object_end (surface);
|
||||
}
|
||||
|
||||
return CAIRO_STATUS_SUCCESS;
|
||||
|
|
@ -938,10 +968,15 @@ cairo_pdf_interchange_write_page_labels (cairo_pdf_surface_t *surface)
|
|||
return CAIRO_STATUS_SUCCESS;
|
||||
|
||||
surface->page_labels_res = _cairo_pdf_surface_new_object (surface);
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\n"
|
||||
"<< /Nums [\n",
|
||||
surface->page_labels_res.id);
|
||||
if (surface->page_labels_res.id == 0)
|
||||
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
||||
|
||||
status = _cairo_pdf_surface_object_begin (surface, surface->page_labels_res);
|
||||
if (unlikely (status))
|
||||
return status;
|
||||
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
"<< /Nums [\n");
|
||||
prefix = NULL;
|
||||
prev_prefix = NULL;
|
||||
num = 0;
|
||||
|
|
@ -956,10 +991,10 @@ cairo_pdf_interchange_write_page_labels (cairo_pdf_surface_t *surface)
|
|||
}
|
||||
|
||||
if (!strcmp_null (prefix, prev_prefix) || num != prev_num + 1) {
|
||||
_cairo_output_stream_printf (surface->output, " %d << ", i);
|
||||
_cairo_output_stream_printf (surface->object_stream.stream, " %d << ", i);
|
||||
|
||||
if (num)
|
||||
_cairo_output_stream_printf (surface->output, "/S /D /St %d ", num);
|
||||
_cairo_output_stream_printf (surface->object_stream.stream, "/S /D /St %d ", num);
|
||||
|
||||
if (prefix) {
|
||||
char *s;
|
||||
|
|
@ -967,11 +1002,11 @@ cairo_pdf_interchange_write_page_labels (cairo_pdf_surface_t *surface)
|
|||
if (unlikely (status))
|
||||
return status;
|
||||
|
||||
_cairo_output_stream_printf (surface->output, "/P %s ", s);
|
||||
_cairo_output_stream_printf (surface->object_stream.stream, "/P %s ", s);
|
||||
free (s);
|
||||
}
|
||||
|
||||
_cairo_output_stream_printf (surface->output, ">>\n");
|
||||
_cairo_output_stream_printf (surface->object_stream.stream, ">>\n");
|
||||
}
|
||||
free (prev_prefix);
|
||||
prev_prefix = prefix;
|
||||
|
|
@ -980,10 +1015,10 @@ cairo_pdf_interchange_write_page_labels (cairo_pdf_surface_t *surface)
|
|||
}
|
||||
free (prefix);
|
||||
free (prev_prefix);
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
" ]\n"
|
||||
">>\n"
|
||||
"endobj\n");
|
||||
">>\n");
|
||||
_cairo_pdf_surface_object_end (surface);
|
||||
|
||||
return CAIRO_STATUS_SUCCESS;
|
||||
}
|
||||
|
|
@ -1012,6 +1047,7 @@ _cairo_pdf_interchange_write_document_dests (cairo_pdf_surface_t *surface)
|
|||
{
|
||||
int i;
|
||||
cairo_pdf_interchange_t *ic = &surface->interchange;
|
||||
cairo_int_status_t status;
|
||||
|
||||
if (ic->num_dests == 0) {
|
||||
ic->dests_res.id = 0;
|
||||
|
|
@ -1027,10 +1063,15 @@ _cairo_pdf_interchange_write_document_dests (cairo_pdf_surface_t *surface)
|
|||
qsort (ic->sorted_dests, ic->num_dests, sizeof (cairo_pdf_named_dest_t *), _dest_compare);
|
||||
|
||||
ic->dests_res = _cairo_pdf_surface_new_object (surface);
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\n"
|
||||
"<< /Names [\n",
|
||||
ic->dests_res.id);
|
||||
if (ic->dests_res.id == 0)
|
||||
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
||||
|
||||
status = _cairo_pdf_surface_object_begin (surface, ic->dests_res);
|
||||
if (unlikely (status))
|
||||
return status;
|
||||
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
"<< /Names [\n");
|
||||
for (i = 0; i < ic->num_dests; i++) {
|
||||
cairo_pdf_named_dest_t *dest = ic->sorted_dests[i];
|
||||
cairo_pdf_resource_t page_res;
|
||||
|
|
@ -1054,17 +1095,17 @@ _cairo_pdf_interchange_write_document_dests (cairo_pdf_surface_t *surface)
|
|||
|
||||
_cairo_array_copy_element (&surface->pages, dest->page - 1, &page_res);
|
||||
_cairo_array_copy_element (&surface->page_heights, dest->page - 1, &height);
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
" (%s) [%d 0 R /XYZ %f %f 0]\n",
|
||||
dest->attrs.name,
|
||||
page_res.id,
|
||||
x,
|
||||
height - y);
|
||||
}
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
" ]\n"
|
||||
">>\n"
|
||||
"endobj\n");
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
" ]\n"
|
||||
">>\n");
|
||||
_cairo_pdf_surface_object_end (surface);
|
||||
|
||||
return CAIRO_STATUS_SUCCESS;
|
||||
}
|
||||
|
|
@ -1082,12 +1123,17 @@ cairo_pdf_interchange_write_names_dict (cairo_pdf_surface_t *surface)
|
|||
surface->names_dict_res.id = 0;
|
||||
if (ic->dests_res.id != 0) {
|
||||
surface->names_dict_res = _cairo_pdf_surface_new_object (surface);
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\n"
|
||||
"<< /Dests %d 0 R >>\n"
|
||||
"endobj\n",
|
||||
surface->names_dict_res.id,
|
||||
if (surface->names_dict_res.id == 0)
|
||||
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
||||
|
||||
status = _cairo_pdf_surface_object_begin (surface, surface->names_dict_res);
|
||||
if (unlikely (status))
|
||||
return status;
|
||||
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
"<< /Dests %d 0 R >>\n",
|
||||
ic->dests_res.id);
|
||||
_cairo_pdf_surface_object_end (surface);
|
||||
}
|
||||
|
||||
return CAIRO_STATUS_SUCCESS;
|
||||
|
|
@ -1097,41 +1143,44 @@ static cairo_int_status_t
|
|||
cairo_pdf_interchange_write_docinfo (cairo_pdf_surface_t *surface)
|
||||
{
|
||||
cairo_pdf_interchange_t *ic = &surface->interchange;
|
||||
cairo_int_status_t status;
|
||||
|
||||
surface->docinfo_res = _cairo_pdf_surface_new_object (surface);
|
||||
if (surface->docinfo_res.id == 0)
|
||||
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
||||
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\n"
|
||||
status = _cairo_pdf_surface_object_begin (surface, surface->docinfo_res);
|
||||
if (unlikely (status))
|
||||
return status;
|
||||
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
"<< /Producer (cairo %s (https://cairographics.org))\n",
|
||||
surface->docinfo_res.id,
|
||||
cairo_version_string ());
|
||||
|
||||
if (ic->docinfo.title)
|
||||
_cairo_output_stream_printf (surface->output, " /Title %s\n", ic->docinfo.title);
|
||||
_cairo_output_stream_printf (surface->object_stream.stream, " /Title %s\n", ic->docinfo.title);
|
||||
|
||||
if (ic->docinfo.author)
|
||||
_cairo_output_stream_printf (surface->output, " /Author %s\n", ic->docinfo.author);
|
||||
_cairo_output_stream_printf (surface->object_stream.stream, " /Author %s\n", ic->docinfo.author);
|
||||
|
||||
if (ic->docinfo.subject)
|
||||
_cairo_output_stream_printf (surface->output, " /Subject %s\n", ic->docinfo.subject);
|
||||
_cairo_output_stream_printf (surface->object_stream.stream, " /Subject %s\n", ic->docinfo.subject);
|
||||
|
||||
if (ic->docinfo.keywords)
|
||||
_cairo_output_stream_printf (surface->output, " /Keywords %s\n", ic->docinfo.keywords);
|
||||
_cairo_output_stream_printf (surface->object_stream.stream, " /Keywords %s\n", ic->docinfo.keywords);
|
||||
|
||||
if (ic->docinfo.creator)
|
||||
_cairo_output_stream_printf (surface->output, " /Creator %s\n", ic->docinfo.creator);
|
||||
_cairo_output_stream_printf (surface->object_stream.stream, " /Creator %s\n", ic->docinfo.creator);
|
||||
|
||||
if (ic->docinfo.create_date)
|
||||
_cairo_output_stream_printf (surface->output, " /CreationDate %s\n", ic->docinfo.create_date);
|
||||
_cairo_output_stream_printf (surface->object_stream.stream, " /CreationDate %s\n", ic->docinfo.create_date);
|
||||
|
||||
if (ic->docinfo.mod_date)
|
||||
_cairo_output_stream_printf (surface->output, " /ModDate %s\n", ic->docinfo.mod_date);
|
||||
_cairo_output_stream_printf (surface->object_stream.stream, " /ModDate %s\n", ic->docinfo.mod_date);
|
||||
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
">>\n"
|
||||
"endobj\n");
|
||||
_cairo_output_stream_printf (surface->object_stream.stream,
|
||||
">>\n");
|
||||
_cairo_pdf_surface_object_end (surface);
|
||||
|
||||
return CAIRO_STATUS_SUCCESS;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -2170,6 +2170,7 @@ _cairo_pdf_surface_object_begin (cairo_pdf_surface_t *surface,
|
|||
object->u.compressed_obj.index = _cairo_array_num_elements (&surface->object_stream.objects) - 1;
|
||||
|
||||
} else {
|
||||
_cairo_pdf_surface_update_object (surface, resource);
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\n",
|
||||
resource.id);
|
||||
|
|
@ -6886,7 +6887,7 @@ _cairo_pdf_surface_write_xref_stream (cairo_pdf_surface_t *surface,
|
|||
|
||||
if (!surface->compress_streams) {
|
||||
/* Adobe Reader requires xref streams to be flate encoded (PDF
|
||||
* Reference 1.7, implemenation note 20). This means
|
||||
* Reference 1.7, implementation note 20). This means
|
||||
* compression must always be enabled on this stream. To
|
||||
* facilitate debugging when compress_stream is disabled, emit
|
||||
* a human readable format of the xref stream as PDF comments.
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue