diff options
Diffstat (limited to 'src/cairo-pdf-surface.c')
| -rw-r--r-- | src/cairo-pdf-surface.c | 176 |
1 files changed, 149 insertions, 27 deletions
diff --git a/src/cairo-pdf-surface.c b/src/cairo-pdf-surface.c index 3f879fb2e..a32dfb6bc 100644 --- a/src/cairo-pdf-surface.c +++ b/src/cairo-pdf-surface.c @@ -209,9 +209,6 @@ typedef struct _cairo_pdf_alpha_linear_function { double alpha2; } cairo_pdf_alpha_linear_function_t; -static cairo_pdf_resource_t -_cairo_pdf_surface_new_object (cairo_pdf_surface_t *surface); - static void _cairo_pdf_surface_clear (cairo_pdf_surface_t *surface); @@ -262,7 +259,7 @@ _cairo_pdf_source_surface_equal (const void *key_a, const void *key_b); static const cairo_surface_backend_t cairo_pdf_surface_backend; static const cairo_paginated_surface_backend_t cairo_pdf_surface_paginated_backend; -static cairo_pdf_resource_t +cairo_pdf_resource_t _cairo_pdf_surface_new_object (cairo_pdf_surface_t *surface) { cairo_pdf_resource_t resource; @@ -283,7 +280,7 @@ _cairo_pdf_surface_new_object (cairo_pdf_surface_t *surface) return resource; } -static void +void _cairo_pdf_surface_update_object (cairo_pdf_surface_t *surface, cairo_pdf_resource_t resource) { @@ -416,6 +413,7 @@ _cairo_pdf_surface_create_for_stream_internal (cairo_output_stream_t *output, goto BAIL2; } + surface->struct_tree_root.id = 0; surface->pdf_version = CAIRO_PDF_VERSION_1_5; surface->compress_content = TRUE; surface->pdf_stream.active = FALSE; @@ -445,6 +443,15 @@ _cairo_pdf_surface_create_for_stream_internal (cairo_output_stream_t *output, surface); _cairo_pdf_operators_enable_actual_text(&surface->pdf_operators, TRUE); + status = _cairo_pdf_interchange_init (surface); + if (unlikely (status)) + goto BAIL2; + + surface->page_parent_tree = -1; + _cairo_array_init (&surface->page_annots, sizeof (cairo_pdf_resource_t)); + surface->tagged = FALSE; + surface->names_dict_res.id = 0; + surface->paginated_surface = _cairo_paginated_surface_create ( &surface->base, CAIRO_CONTENT_COLOR_ALPHA, @@ -742,6 +749,7 @@ _cairo_pdf_surface_clear (cairo_pdf_surface_t *surface) } _cairo_array_truncate (&surface->smask_groups, 0); _cairo_array_truncate (&surface->knockout_group, 0); + _cairo_array_truncate (&surface->page_annots, 0); } static void @@ -2071,6 +2079,10 @@ _cairo_pdf_surface_finish (void *abstract_surface) _cairo_pdf_surface_write_pages (surface); + status = _cairo_pdf_interchange_write_document_objects (surface); + if (unlikely (status)) + return status; + info = _cairo_pdf_surface_write_info (surface); if (info.id == 0 && status == CAIRO_STATUS_SUCCESS) status = _cairo_error (CAIRO_STATUS_NO_MEMORY); @@ -2145,6 +2157,7 @@ _cairo_pdf_surface_finish (void *abstract_surface) _cairo_array_fini (&surface->smask_groups); _cairo_array_fini (&surface->fonts); _cairo_array_fini (&surface->knockout_group); + _cairo_array_fini (&surface->page_annots); if (surface->font_subsets) { _cairo_scaled_font_subsets_destroy (surface->font_subsets); @@ -2164,13 +2177,15 @@ _cairo_pdf_surface_finish (void *abstract_surface) _cairo_surface_clipper_reset (&surface->clipper); - return status; + return _cairo_pdf_interchange_fini (surface); } static cairo_int_status_t _cairo_pdf_surface_start_page (void *abstract_surface) { cairo_pdf_surface_t *surface = abstract_surface; + cairo_pdf_resource_t page; + cairo_int_status_t status; /* Document header */ if (! surface->header_emitted) { @@ -2196,6 +2211,14 @@ _cairo_pdf_surface_start_page (void *abstract_surface) _cairo_pdf_group_resources_clear (&surface->resources); surface->in_xobject = FALSE; + page = _cairo_pdf_surface_new_object (surface); + if (page.id == 0) + return _cairo_error (CAIRO_STATUS_NO_MEMORY); + + status = _cairo_array_append (&surface->pages, &page); + if (unlikely (status)) + return status; + return CAIRO_STATUS_SUCCESS; } @@ -4678,6 +4701,10 @@ _cairo_pdf_surface_show_page (void *abstract_surface) cairo_pdf_surface_t *surface = abstract_surface; cairo_int_status_t status; + status = _cairo_pdf_interchange_end_page_content (surface); + if (unlikely (status)) + return status; + status = _cairo_pdf_surface_close_content_stream (surface); if (unlikely (status)) return status; @@ -4769,8 +4796,8 @@ _cairo_pdf_surface_write_pages (cairo_pdf_surface_t *surface) "endobj\n"); } -static cairo_int_status_t -_utf8_to_pdf_string (const char *utf8, char **str_out) +cairo_int_status_t +_cairo_utf8_to_pdf_string (const char *utf8, char **str_out) { int i; int len; @@ -5115,7 +5142,7 @@ _cairo_pdf_surface_emit_cff_font (cairo_pdf_surface_t *surface, if (subset->family_name_utf8) { char *pdf_str; - status = _utf8_to_pdf_string (subset->family_name_utf8, &pdf_str); + status = _cairo_utf8_to_pdf_string (subset->family_name_utf8, &pdf_str); if (likely (status == CAIRO_INT_STATUS_SUCCESS)) { _cairo_output_stream_printf (surface->output, " /FontFamily %s\n", @@ -5561,7 +5588,7 @@ _cairo_pdf_surface_emit_truetype_font_subset (cairo_pdf_surface_t *surface, if (subset.family_name_utf8) { char *pdf_str; - status = _utf8_to_pdf_string (subset.family_name_utf8, &pdf_str); + status = _cairo_utf8_to_pdf_string (subset.family_name_utf8, &pdf_str); if (likely (status == CAIRO_INT_STATUS_SUCCESS)) { _cairo_output_stream_printf (surface->output, " /FontFamily %s\n", @@ -6066,12 +6093,30 @@ _cairo_pdf_surface_write_catalog (cairo_pdf_surface_t *surface) _cairo_output_stream_printf (surface->output, "%d 0 obj\n" "<< /Type /Catalog\n" - " /Pages %d 0 R\n" - ">>\n" - "endobj\n", + " /Pages %d 0 R\n", catalog.id, surface->pages_resource.id); + if (surface->struct_tree_root.id != 0) { + _cairo_output_stream_printf (surface->output, + " /StructTreeRoot %d 0 R\n", + surface->struct_tree_root.id); + if (surface->tagged) { + _cairo_output_stream_printf (surface->output, + " /MarkInfo << /Marked true >>\n"); + } + } + + if (surface->names_dict_res.id != 0) { + _cairo_output_stream_printf (surface->output, + " /Names %d 0 R\n", + surface->names_dict_res.id); + } + + _cairo_output_stream_printf (surface->output, + ">>\n" + "endobj\n"); + return catalog; } @@ -6436,9 +6481,14 @@ _cairo_pdf_surface_write_patterns_and_smask_groups (cairo_pdf_surface_t *surface static cairo_int_status_t _cairo_pdf_surface_write_page (cairo_pdf_surface_t *surface) { - cairo_pdf_resource_t page, knockout, res; + cairo_pdf_resource_t knockout, res; + cairo_pdf_resource_t *page; cairo_int_status_t status; - unsigned int i, len; + unsigned int i, len, page_num, num_annots; + + status = _cairo_pdf_interchange_write_page_objects (surface); + if (unlikely (status)) + return status; _cairo_pdf_group_resources_clear (&surface->resources); if (surface->has_fallback_images) { @@ -6492,10 +6542,9 @@ _cairo_pdf_surface_write_page (cairo_pdf_surface_t *surface) return status; } - page = _cairo_pdf_surface_new_object (surface); - if (page.id == 0) - return _cairo_error (CAIRO_STATUS_NO_MEMORY); - + page_num = _cairo_array_num_elements (&surface->pages); + page = _cairo_array_index (&surface->pages, page_num - 1); + _cairo_pdf_surface_update_object (surface, *page); _cairo_output_stream_printf (surface->output, "%d 0 obj\n" "<< /Type /Page\n" @@ -6508,19 +6557,36 @@ _cairo_pdf_surface_write_page (cairo_pdf_surface_t *surface) " /I true\n" " /CS /DeviceRGB\n" " >>\n" - " /Resources %d 0 R\n" - ">>\n" - "endobj\n", - page.id, + " /Resources %d 0 R\n", + page->id, surface->pages_resource.id, surface->width, surface->height, surface->content.id, surface->content_resources.id); - status = _cairo_array_append (&surface->pages, &page); - if (unlikely (status)) - return status; + if (surface->page_parent_tree >= 0) { + _cairo_output_stream_printf (surface->output, + " /StructParents %d\n", + surface->page_parent_tree); + } + + num_annots = _cairo_array_num_elements (&surface->page_annots); + if (num_annots > 0) { + _cairo_output_stream_printf (surface->output, + " /Annots [ "); + for (i = 0; i < num_annots; i++) { + _cairo_array_copy_element (&surface->page_annots, i, &res); + _cairo_output_stream_printf (surface->output, + "%d 0 R ", + res.id); + } + _cairo_output_stream_printf (surface->output, "]\n"); + } + + _cairo_output_stream_printf (surface->output, + ">>\n" + "endobj\n"); status = _cairo_pdf_surface_write_patterns_and_smask_groups (surface); if (unlikely (status)) @@ -6764,7 +6830,11 @@ _cairo_pdf_surface_start_fallback (cairo_pdf_surface_t *surface) bbox.p1.y = 0; bbox.p2.x = surface->width; bbox.p2.y = surface->height; - return _cairo_pdf_surface_open_content_stream (surface, &bbox, NULL, TRUE, TRUE); + status = _cairo_pdf_surface_open_content_stream (surface, &bbox, NULL, TRUE, TRUE); + if (unlikely (status)) + return status; + + return _cairo_pdf_interchange_begin_page_content (surface); } /* If source is an opaque image and mask is an image and both images @@ -7040,6 +7110,10 @@ _cairo_pdf_surface_paint (void *abstract_surface, if (unlikely (status)) return status; + status = _cairo_pdf_interchange_add_operation_extents (surface, &extents.bounded); + if (unlikely (status)) + return status; + if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) { status = _cairo_pdf_surface_analyze_operation (surface, op, source, &extents.bounded); goto cleanup; @@ -7164,6 +7238,10 @@ _cairo_pdf_surface_mask (void *abstract_surface, if (unlikely (status)) return status; + status = _cairo_pdf_interchange_add_operation_extents (surface, &extents.bounded); + if (unlikely (status)) + return status; + if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) { cairo_int_status_t source_status, mask_status; @@ -7333,6 +7411,10 @@ _cairo_pdf_surface_stroke (void *abstract_surface, goto cleanup; } + status = _cairo_pdf_interchange_add_operation_extents (surface, &extents.bounded); + if (unlikely (status)) + goto cleanup; + if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) { status = _cairo_pdf_surface_analyze_operation (surface, op, source, &extents.bounded); goto cleanup; @@ -7467,6 +7549,10 @@ _cairo_pdf_surface_fill (void *abstract_surface, goto cleanup; } + status = _cairo_pdf_interchange_add_operation_extents (surface, &extents.bounded); + if (unlikely (status)) + goto cleanup; + if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) { status = _cairo_pdf_surface_analyze_operation (surface, op, source, &extents.bounded); goto cleanup; @@ -7685,6 +7771,10 @@ _cairo_pdf_surface_fill_stroke (void *abstract_surface, goto cleanup; } + status = _cairo_pdf_interchange_add_operation_extents (surface, &extents.bounded); + if (unlikely (status)) + goto cleanup; + fill_pattern_res.id = 0; gstate_res.id = 0; status = _cairo_pdf_surface_add_pdf_pattern (surface, fill_source, @@ -7780,6 +7870,10 @@ _cairo_pdf_surface_show_text_glyphs (void *abstract_surface, if (unlikely (status)) return status; + status = _cairo_pdf_interchange_add_operation_extents (surface, &extents.bounded); + if (unlikely (status)) + return status; + if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) { status = _cairo_pdf_surface_analyze_operation (surface, op, source, &extents.bounded); goto cleanup; @@ -7918,12 +8012,39 @@ _cairo_pdf_surface_get_supported_mime_types (void *abstract_surface) } static cairo_int_status_t +_cairo_pdf_surface_tag (void *abstract_surface, + cairo_bool_t begin, + const char *tag_name, + const char *attributes, + const cairo_pattern_t *source, + const cairo_stroke_style_t *style, + const cairo_matrix_t *ctm, + const cairo_matrix_t *ctm_inverse, + const cairo_clip_t *clip) +{ + cairo_pdf_surface_t *surface = abstract_surface; + cairo_int_status_t status = 0; + + if (begin) + status = _cairo_pdf_interchange_tag_begin (surface, tag_name, attributes); + else + status = _cairo_pdf_interchange_tag_end (surface, tag_name); + + return status; +} + +static cairo_int_status_t _cairo_pdf_surface_set_paginated_mode (void *abstract_surface, cairo_paginated_mode_t paginated_mode) { cairo_pdf_surface_t *surface = abstract_surface; + cairo_int_status_t status; surface->paginated_mode = paginated_mode; + status = _cairo_pdf_interchange_begin_page_content (surface); + if (unlikely (status)) + return status; + if (paginated_mode == CAIRO_PAGINATED_MODE_RENDER) { surface->surface_extents.x = 0; surface->surface_extents.y = 0; @@ -7969,6 +8090,7 @@ static const cairo_surface_backend_t cairo_pdf_surface_backend = { _cairo_pdf_surface_has_show_text_glyphs, _cairo_pdf_surface_show_text_glyphs, _cairo_pdf_surface_get_supported_mime_types, + _cairo_pdf_surface_tag, }; static const cairo_paginated_surface_backend_t |