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Diffstat (limited to 'libs/cairo-1.16.0/src/cairo-pdf-surface-private.h')
| -rw-r--r-- | libs/cairo-1.16.0/src/cairo-pdf-surface-private.h | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/src/cairo-pdf-surface-private.h b/libs/cairo-1.16.0/src/cairo-pdf-surface-private.h new file mode 100644 index 0000000..3793332 --- /dev/null +++ b/libs/cairo-1.16.0/src/cairo-pdf-surface-private.h @@ -0,0 +1,399 @@ +/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */ +/* cairo - a vector graphics library with display and print output + * + * Copyright © 2004 Red Hat, Inc + * Copyright © 2006 Red Hat, Inc + * Copyright © 2007, 2008 Adrian Johnson + * + * This library is free software; you can redistribute it and/or + * modify it either under the terms of the GNU Lesser General Public + * License version 2.1 as published by the Free Software Foundation + * (the "LGPL") or, at your option, under the terms of the Mozilla + * Public License Version 1.1 (the "MPL"). If you do not alter this + * notice, a recipient may use your version of this file under either + * the MPL or the LGPL. + * + * You should have received a copy of the LGPL along with this library + * in the file COPYING-LGPL-2.1; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA + * You should have received a copy of the MPL along with this library + * in the file COPYING-MPL-1.1 + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY + * OF ANY KIND, either express or implied. See the LGPL or the MPL for + * the specific language governing rights and limitations. + * + * The Original Code is the cairo graphics library. + * + * The Initial Developer of the Original Code is University of Southern + * California. + * + * Contributor(s): + * Kristian Høgsberg <krh@redhat.com> + * Carl Worth <cworth@cworth.org> + * Adrian Johnson <ajohnson@redneon.com> + */ + +#ifndef CAIRO_PDF_SURFACE_PRIVATE_H +#define CAIRO_PDF_SURFACE_PRIVATE_H + +#include "cairo-pdf.h" + +#include "cairo-surface-private.h" +#include "cairo-surface-clipper-private.h" +#include "cairo-pdf-operators-private.h" +#include "cairo-path-fixed-private.h" +#include "cairo-tag-attributes-private.h" +#include "cairo-tag-stack-private.h" + +typedef struct _cairo_pdf_resource { + unsigned int id; +} cairo_pdf_resource_t; + +#define CAIRO_NUM_OPERATORS (CAIRO_OPERATOR_HSL_LUMINOSITY + 1) + +typedef struct _cairo_pdf_group_resources { + cairo_bool_t operators[CAIRO_NUM_OPERATORS]; + cairo_array_t alphas; + cairo_array_t smasks; + cairo_array_t patterns; + cairo_array_t shadings; + cairo_array_t xobjects; + cairo_array_t fonts; +} cairo_pdf_group_resources_t; + +typedef struct _cairo_pdf_source_surface_entry { + cairo_hash_entry_t base; + unsigned int id; + unsigned char *unique_id; + unsigned long unique_id_length; + cairo_operator_t operator; + cairo_bool_t interpolate; + cairo_bool_t stencil_mask; + cairo_bool_t smask; + cairo_bool_t need_transp_group; + cairo_pdf_resource_t surface_res; + cairo_pdf_resource_t smask_res; + + /* True if surface will be emitted as an Image XObject. */ + cairo_bool_t emit_image; + + /* Extents of the source surface. */ + cairo_bool_t bounded; + cairo_rectangle_int_t extents; + + /* Union of source extents required for all operations using this source */ + cairo_rectangle_int_t required_extents; +} cairo_pdf_source_surface_entry_t; + +typedef struct _cairo_pdf_source_surface { + cairo_pattern_type_t type; + cairo_surface_t *surface; + cairo_pattern_t *raster_pattern; + cairo_pdf_source_surface_entry_t *hash_entry; +} cairo_pdf_source_surface_t; + +typedef struct _cairo_pdf_pattern { + double width; + double height; + cairo_rectangle_int_t extents; + cairo_pattern_t *pattern; + cairo_pdf_resource_t pattern_res; + cairo_pdf_resource_t gstate_res; + cairo_operator_t operator; + cairo_bool_t is_shading; + + /* PDF pattern space is the pattern matrix concatenated with the + * initial space of the parent object. If the parent object is the + * page, the initial space does not include the Y-axis flipping + * matrix emitted at the start of the page content stream. If the + * parent object is not the page content stream, the initial space + * will have a flipped Y-axis. The inverted_y_axis flag is true + * when the initial space of the parent object that is drawing + * this pattern has a flipped Y-axis. + */ + cairo_bool_t inverted_y_axis; +} cairo_pdf_pattern_t; + +typedef enum _cairo_pdf_operation { + PDF_PAINT, + PDF_MASK, + PDF_FILL, + PDF_STROKE, + PDF_SHOW_GLYPHS +} cairo_pdf_operation_t; + +typedef struct _cairo_pdf_smask_group { + double width; + double height; + cairo_rectangle_int_t extents; + cairo_pdf_resource_t group_res; + cairo_pdf_operation_t operation; + cairo_pattern_t *source; + cairo_pdf_resource_t source_res; + cairo_pattern_t *mask; + cairo_path_fixed_t path; + cairo_fill_rule_t fill_rule; + cairo_stroke_style_t style; + cairo_matrix_t ctm; + cairo_matrix_t ctm_inverse; + char *utf8; + int utf8_len; + cairo_glyph_t *glyphs; + int num_glyphs; + cairo_text_cluster_t *clusters; + int num_clusters; + cairo_bool_t cluster_flags; + cairo_scaled_font_t *scaled_font; +} cairo_pdf_smask_group_t; + +typedef struct _cairo_pdf_jbig2_global { + unsigned char *id; + unsigned long id_length; + cairo_pdf_resource_t res; + cairo_bool_t emitted; +} cairo_pdf_jbig2_global_t; + +/* cairo-pdf-interchange.c types */ + +struct page_mcid { + int page; + int mcid; +}; + +struct tag_extents { + cairo_rectangle_int_t extents; + cairo_bool_t valid; + cairo_list_t link; +}; + +typedef struct _cairo_pdf_struct_tree_node { + char *name; + cairo_pdf_resource_t res; + struct _cairo_pdf_struct_tree_node *parent; + cairo_list_t children; + cairo_array_t mcid; /* array of struct page_mcid */ + cairo_pdf_resource_t annot_res; /* 0 if no annot */ + struct tag_extents extents; + cairo_list_t link; +} cairo_pdf_struct_tree_node_t; + +typedef struct _cairo_pdf_annotation { + cairo_pdf_struct_tree_node_t *node; /* node containing the annotation */ + cairo_link_attrs_t link_attrs; +} cairo_pdf_annotation_t; + +typedef struct _cairo_pdf_named_dest { + cairo_hash_entry_t base; + struct tag_extents extents; + cairo_dest_attrs_t attrs; + int page; +} cairo_pdf_named_dest_t; + +typedef struct _cairo_pdf_outline_entry { + char *name; + cairo_link_attrs_t link_attrs; + cairo_pdf_outline_flags_t flags; + cairo_pdf_resource_t res; + struct _cairo_pdf_outline_entry *parent; + struct _cairo_pdf_outline_entry *first_child; + struct _cairo_pdf_outline_entry *last_child; + struct _cairo_pdf_outline_entry *next; + struct _cairo_pdf_outline_entry *prev; + int count; +} cairo_pdf_outline_entry_t; + +struct docinfo { + char *title; + char *author; + char *subject; + char *keywords; + char *creator; + char *create_date; + char *mod_date; +}; + +typedef struct _cairo_pdf_interchange { + cairo_tag_stack_t analysis_tag_stack; + cairo_tag_stack_t render_tag_stack; + cairo_array_t push_data; /* records analysis_tag_stack data field for each push */ + int push_data_index; + cairo_pdf_struct_tree_node_t *struct_root; + cairo_pdf_struct_tree_node_t *current_node; + cairo_pdf_struct_tree_node_t *begin_page_node; + cairo_pdf_struct_tree_node_t *end_page_node; + cairo_array_t parent_tree; /* parent tree resources */ + cairo_array_t mcid_to_tree; /* mcid to tree node mapping for current page */ + cairo_array_t annots; /* array of pointers to cairo_pdf_annotation_t */ + cairo_pdf_resource_t parent_tree_res; + cairo_list_t extents_list; + cairo_hash_table_t *named_dests; + int num_dests; + cairo_pdf_named_dest_t **sorted_dests; + cairo_pdf_resource_t dests_res; + int annot_page; + cairo_array_t outline; /* array of pointers to cairo_pdf_outline_entry_t; */ + struct docinfo docinfo; + +} cairo_pdf_interchange_t; + +/* pdf surface data */ + +typedef struct _cairo_pdf_surface cairo_pdf_surface_t; + +struct _cairo_pdf_surface { + cairo_surface_t base; + + /* Prefer the name "output" here to avoid confusion over the + * structure within a PDF document known as a "stream". */ + cairo_output_stream_t *output; + + double width; + double height; + cairo_rectangle_int_t surface_extents; + cairo_bool_t surface_bounded; + cairo_matrix_t cairo_to_pdf; + cairo_bool_t in_xobject; + + cairo_array_t objects; + cairo_array_t pages; + cairo_array_t rgb_linear_functions; + cairo_array_t alpha_linear_functions; + cairo_array_t page_patterns; + cairo_array_t page_surfaces; + cairo_array_t doc_surfaces; + cairo_hash_table_t *all_surfaces; + cairo_array_t smask_groups; + cairo_array_t knockout_group; + cairo_array_t jbig2_global; + cairo_array_t page_heights; + + cairo_scaled_font_subsets_t *font_subsets; + cairo_array_t fonts; + + cairo_pdf_resource_t next_available_resource; + cairo_pdf_resource_t pages_resource; + cairo_pdf_resource_t struct_tree_root; + + cairo_pdf_version_t pdf_version; + cairo_bool_t compress_content; + + cairo_pdf_resource_t content; + cairo_pdf_resource_t content_resources; + cairo_pdf_group_resources_t resources; + cairo_bool_t has_fallback_images; + cairo_bool_t header_emitted; + + struct { + cairo_bool_t active; + cairo_pdf_resource_t self; + cairo_pdf_resource_t length; + long start_offset; + cairo_bool_t compressed; + cairo_output_stream_t *old_output; + } pdf_stream; + + struct { + cairo_bool_t active; + cairo_output_stream_t *stream; + cairo_output_stream_t *mem_stream; + cairo_output_stream_t *old_output; + cairo_pdf_resource_t resource; + cairo_box_double_t bbox; + cairo_bool_t is_knockout; + } group_stream; + + cairo_surface_clipper_t clipper; + + cairo_pdf_operators_t pdf_operators; + cairo_paginated_mode_t paginated_mode; + cairo_bool_t select_pattern_gstate_saved; + + cairo_bool_t force_fallbacks; + + cairo_operator_t current_operator; + cairo_bool_t current_pattern_is_solid_color; + cairo_bool_t current_color_is_stroke; + double current_color_red; + double current_color_green; + double current_color_blue; + double current_color_alpha; + + cairo_pdf_interchange_t interchange; + int page_parent_tree; /* -1 if not used */ + cairo_array_t page_annots; + cairo_bool_t tagged; + char *current_page_label; + cairo_array_t page_labels; + cairo_pdf_resource_t outlines_dict_res; + cairo_pdf_resource_t names_dict_res; + cairo_pdf_resource_t docinfo_res; + cairo_pdf_resource_t page_labels_res; + + int thumbnail_width; + int thumbnail_height; + cairo_image_surface_t *thumbnail_image; + + cairo_surface_t *paginated_surface; +}; + +cairo_private cairo_pdf_resource_t +_cairo_pdf_surface_new_object (cairo_pdf_surface_t *surface); + +cairo_private void +_cairo_pdf_surface_update_object (cairo_pdf_surface_t *surface, + cairo_pdf_resource_t resource); + +cairo_private cairo_int_status_t +_cairo_utf8_to_pdf_string (const char *utf8, char **str_out); + +cairo_private cairo_int_status_t +_cairo_pdf_interchange_init (cairo_pdf_surface_t *surface); + +cairo_private cairo_int_status_t +_cairo_pdf_interchange_fini (cairo_pdf_surface_t *surface); + +cairo_private cairo_int_status_t +_cairo_pdf_interchange_begin_page_content (cairo_pdf_surface_t *surface); + +cairo_private cairo_int_status_t +_cairo_pdf_interchange_end_page_content (cairo_pdf_surface_t *surface); + +cairo_private cairo_int_status_t +_cairo_pdf_interchange_tag_begin (cairo_pdf_surface_t *surface, + const char *name, + const char *attributes); + +cairo_private cairo_int_status_t +_cairo_pdf_interchange_tag_end (cairo_pdf_surface_t *surface, + const char *name); + +cairo_private cairo_int_status_t +_cairo_pdf_interchange_add_operation_extents (cairo_pdf_surface_t *surface, + const cairo_rectangle_int_t *extents); + +cairo_private cairo_int_status_t +_cairo_pdf_interchange_write_page_objects (cairo_pdf_surface_t *surface); + +cairo_private cairo_int_status_t +_cairo_pdf_interchange_write_document_objects (cairo_pdf_surface_t *surface); + +cairo_private cairo_int_status_t +_cairo_pdf_interchange_add_outline (cairo_pdf_surface_t *surface, + int parent_id, + const char *name, + const char *dest, + cairo_pdf_outline_flags_t flags, + int *id); + +cairo_private cairo_int_status_t +_cairo_pdf_interchange_set_metadata (cairo_pdf_surface_t *surface, + cairo_pdf_metadata_t metadata, + const char *utf8); + +#endif /* CAIRO_PDF_SURFACE_PRIVATE_H */ |