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Diffstat (limited to 'src/cairo-pdf-operators-private.h')
| -rwxr-xr-x | src/cairo-pdf-operators-private.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/cairo-pdf-operators-private.h b/src/cairo-pdf-operators-private.h new file mode 100755 index 000000000..6e1ae1833 --- /dev/null +++ b/src/cairo-pdf-operators-private.h @@ -0,0 +1,173 @@ +/* -*- 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 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_OPERATORS_H +#define CAIRO_PDF_OPERATORS_H + +#include "cairo-compiler-private.h" +#include "cairo-error-private.h" +#include "cairo-types-private.h" + +/* The glyph buffer size is based on the expected maximum glyphs in a + * line so that an entire line can be emitted in as one string. If the + * glyphs in a line exceeds this size the only downside is the slight + * overhead of emitting two strings. + */ +#define PDF_GLYPH_BUFFER_SIZE 200 + +typedef cairo_status_t (*cairo_pdf_operators_use_font_subset_t) (unsigned int font_id, + unsigned int subset_id, + void *closure); + +typedef struct _cairo_pdf_glyph { + unsigned int glyph_index; + double x_position; + double x_advance; +} cairo_pdf_glyph_t; + +typedef struct _cairo_pdf_operators { + cairo_output_stream_t *stream; + cairo_matrix_t cairo_to_pdf; + cairo_scaled_font_subsets_t *font_subsets; + cairo_pdf_operators_use_font_subset_t use_font_subset; + void *use_font_subset_closure; + cairo_bool_t use_actual_text; + cairo_bool_t in_text_object; /* inside BT/ET pair */ + + /* PDF text state */ + cairo_bool_t is_new_text_object; /* text object started but matrix and font not yet selected */ + unsigned int font_id; + unsigned int subset_id; + cairo_matrix_t text_matrix; /* PDF text matrix (Tlm in the PDF reference) */ + cairo_matrix_t cairo_to_pdftext; /* translate cairo coords to PDF text space */ + cairo_matrix_t font_matrix_inverse; + double cur_x; /* Current position in PDF text space (Tm in the PDF reference) */ + double cur_y; + int hex_width; + cairo_bool_t is_latin; + int num_glyphs; + double glyph_buf_x_pos; + cairo_pdf_glyph_t glyphs[PDF_GLYPH_BUFFER_SIZE]; + + /* PDF line style */ + cairo_bool_t has_line_style; + double line_width; + cairo_line_cap_t line_cap; + cairo_line_join_t line_join; + double miter_limit; + cairo_bool_t has_dashes; +} cairo_pdf_operators_t; + +cairo_private void +_cairo_pdf_operators_init (cairo_pdf_operators_t *pdf_operators, + cairo_output_stream_t *stream, + cairo_matrix_t *cairo_to_pdf, + cairo_scaled_font_subsets_t *font_subsets); + +cairo_private cairo_status_t +_cairo_pdf_operators_fini (cairo_pdf_operators_t *pdf_operators); + +cairo_private void +_cairo_pdf_operators_set_font_subsets_callback (cairo_pdf_operators_t *pdf_operators, + cairo_pdf_operators_use_font_subset_t use_font_subset, + void *closure); + +cairo_private void +_cairo_pdf_operators_set_stream (cairo_pdf_operators_t *pdf_operators, + cairo_output_stream_t *stream); + + +cairo_private void +_cairo_pdf_operators_set_cairo_to_pdf_matrix (cairo_pdf_operators_t *pdf_operators, + cairo_matrix_t *cairo_to_pdf); + +cairo_private void +_cairo_pdf_operators_enable_actual_text (cairo_pdf_operators_t *pdf_operators, + cairo_bool_t enable); + +cairo_private cairo_status_t +_cairo_pdf_operators_flush (cairo_pdf_operators_t *pdf_operators); + +cairo_private void +_cairo_pdf_operators_reset (cairo_pdf_operators_t *pdf_operators); + +cairo_private cairo_int_status_t +_cairo_pdf_operators_clip (cairo_pdf_operators_t *pdf_operators, + const cairo_path_fixed_t *path, + cairo_fill_rule_t fill_rule); + +cairo_private cairo_int_status_t +_cairo_pdf_operators_emit_stroke_style (cairo_pdf_operators_t *pdf_operators, + const cairo_stroke_style_t *style, + double scale); + +cairo_private cairo_int_status_t +_cairo_pdf_operators_stroke (cairo_pdf_operators_t *pdf_operators, + const cairo_path_fixed_t *path, + const cairo_stroke_style_t *style, + const cairo_matrix_t *ctm, + const cairo_matrix_t *ctm_inverse); + +cairo_private cairo_int_status_t +_cairo_pdf_operators_fill (cairo_pdf_operators_t *pdf_operators, + const cairo_path_fixed_t *path, + cairo_fill_rule_t fill_rule); + +cairo_private cairo_int_status_t +_cairo_pdf_operators_fill_stroke (cairo_pdf_operators_t *pdf_operators, + const cairo_path_fixed_t *path, + cairo_fill_rule_t fill_rule, + const cairo_stroke_style_t *style, + const cairo_matrix_t *ctm, + const cairo_matrix_t *ctm_inverse); + +cairo_private cairo_int_status_t +_cairo_pdf_operators_show_text_glyphs (cairo_pdf_operators_t *pdf_operators, + const char *utf8, + int utf8_len, + cairo_glyph_t *glyphs, + int num_glyphs, + const cairo_text_cluster_t *clusters, + int num_clusters, + cairo_text_cluster_flags_t cluster_flags, + cairo_scaled_font_t *scaled_font); + +#endif /* CAIRO_PDF_OPERATORS_H */ |