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pdf: don't write logical structure if it only contains links

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This commit is contained in:
Adrian Johnson 2017-08-22 21:18:54 +09:30
parent 63f14d4a8f
commit 74c6e3ae1d
2 changed files with 14 additions and 8 deletions
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21
src/cairo-pdf-interchange.c
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@ -1183,17 +1183,22 @@ _cairo_pdf_interchange_write_document_objects (cairo_pdf_surface_t *surface)
{
cairo_pdf_interchange_t *ic = &surface->interchange;
cairo_int_status_t status = CAIRO_STATUS_SUCCESS;
cairo_tag_stack_structure_type_t tag_type;
status = cairo_pdf_interchange_write_parent_tree (surface);
if (unlikely (status))
return status;
tag_type = _cairo_tag_stack_get_structure_type (&ic->analysis_tag_stack);
if (tag_type == TAG_TREE_TYPE_TAGGED || tag_type == TAG_TREE_TYPE_STRUCTURE) {
status = cairo_pdf_interchange_write_struct_tree (surface);
if (unlikely (status))
return status;
status = cairo_pdf_interchange_write_parent_tree (surface);
if (unlikely (status))
return status;
if (_cairo_tag_stack_get_structure_type (&ic->analysis_tag_stack) == TAG_TREE_TYPE_TAGGED)
surface->tagged = TRUE;
status = cairo_pdf_interchange_write_struct_tree (surface);
if (unlikely (status))
return status;
if (tag_type == TAG_TREE_TYPE_TAGGED)
surface->tagged = TRUE;
}
status = cairo_pdf_interchange_write_outline (surface);
if (unlikely (status))

1
src/cairo-tag-stack.c
View file

@ -175,6 +175,7 @@ _cairo_tag_stack_push (cairo_tag_stack_t *stack,
stack->type = TAG_TREE_TYPE_STRUCTURE;
} else {
if (stack->type == TAG_TREE_TYPE_LINK_ONLY &&
(strcmp (name, "Link") != 0) &&
name_in_list (name, _cairo_tag_stack_struct_pdf_list))
{
stack->type = TAG_TREE_TYPE_STRUCTURE;