| /* |
| * Copyright © 2011 Google, Inc. |
| * |
| * This is part of HarfBuzz, a text shaping library. |
| * |
| * Permission is hereby granted, without written agreement and without |
| * license or royalty fees, to use, copy, modify, and distribute this |
| * software and its documentation for any purpose, provided that the |
| * above copyright notice and the following two paragraphs appear in |
| * all copies of this software. |
| * |
| * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
| * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
| * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
| * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
| * DAMAGE. |
| * |
| * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
| * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
| * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
| * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
| * |
| * Google Author(s): Behdad Esfahbod |
| */ |
| |
| #ifndef HELPER_CAIRO_HH |
| #define HELPER_CAIRO_HH |
| |
| #include "hb.hh" |
| #include "options.hh" |
| |
| #include <cairo.h> |
| |
| |
| cairo_scaled_font_t * |
| helper_cairo_create_scaled_font (const font_options_t *font_opts); |
| |
| bool |
| helper_cairo_scaled_font_has_color (cairo_scaled_font_t *scaled_font); |
| |
| extern const char *helper_cairo_supported_formats[]; |
| |
| cairo_t * |
| helper_cairo_create_context (double w, double h, |
| view_options_t *view_opts, |
| output_options_t *out_opts, |
| cairo_content_t content); |
| |
| void |
| helper_cairo_destroy_context (cairo_t *cr); |
| |
| |
| struct helper_cairo_line_t { |
| cairo_glyph_t *glyphs; |
| unsigned int num_glyphs; |
| char *utf8; |
| unsigned int utf8_len; |
| cairo_text_cluster_t *clusters; |
| unsigned int num_clusters; |
| cairo_text_cluster_flags_t cluster_flags; |
| |
| void finish () { |
| if (glyphs) |
| cairo_glyph_free (glyphs); |
| if (clusters) |
| cairo_text_cluster_free (clusters); |
| if (utf8) |
| g_free (utf8); |
| } |
| |
| void get_advance (double *x_advance, double *y_advance) { |
| *x_advance = glyphs[num_glyphs].x; |
| *y_advance = glyphs[num_glyphs].y; |
| } |
| }; |
| |
| void |
| helper_cairo_line_from_buffer (helper_cairo_line_t *l, |
| hb_buffer_t *buffer, |
| const char *text, |
| unsigned int text_len, |
| int scale_bits, |
| hb_bool_t utf8_clusters); |
| |
| #endif |
