diff options
Diffstat (limited to 'libs/cairo/src/cairo-pdf-operators-private.h')
| -rw-r--r-- | libs/cairo/src/cairo-pdf-operators-private.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/libs/cairo/src/cairo-pdf-operators-private.h b/libs/cairo/src/cairo-pdf-operators-private.h new file mode 100644 index 000000000..d0051433b --- /dev/null +++ b/libs/cairo/src/cairo-pdf-operators-private.h @@ -0,0 +1,134 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef CAIRO_PDF_OPERATORS_H +#define CAIRO_PDF_OPERATORS_H + +#include "cairo-compiler-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; + 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, + 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, + 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, + 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, + 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 */ |