| Behdad Esfahbod | 8b8b190 | 2011-09-19 16:41:17 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2011 Google, Inc. |
| 3 | * |
| 4 | * This is part of HarfBuzz, a text shaping library. |
| 5 | * |
| 6 | * Permission is hereby granted, without written agreement and without |
| 7 | * license or royalty fees, to use, copy, modify, and distribute this |
| 8 | * software and its documentation for any purpose, provided that the |
| 9 | * above copyright notice and the following two paragraphs appear in |
| 10 | * all copies of this software. |
| 11 | * |
| 12 | * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
| 13 | * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
| 14 | * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
| 15 | * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
| 16 | * DAMAGE. |
| 17 | * |
| 18 | * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
| 19 | * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
| 21 | * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
| 22 | * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
| 23 | * |
| 24 | * Google Author(s): Behdad Esfahbod |
| 25 | */ |
| 26 | |
| 27 | #include "options.hh" |
| 28 | |
| 29 | #include <cairo.h> |
| 30 | |
| 31 | #ifndef HELPER_CAIRO_HH |
| 32 | #define HELPER_CAIRO_HH |
| 33 | |
| 34 | |
| 35 | cairo_scaled_font_t * |
| 36 | helper_cairo_create_scaled_font (const font_options_t *font_opts, |
| 37 | double font_size); |
| 38 | |
| 39 | |
| 40 | cairo_t * |
| 41 | helper_cairo_create_context (double w, double h, |
| 42 | view_options_t *view_opts, |
| 43 | output_options_t *out_opts); |
| 44 | |
| 45 | void |
| 46 | helper_cairo_destroy_context (cairo_t *cr); |
| 47 | |
| 48 | |
| 49 | struct helper_cairo_line_t { |
| 50 | cairo_glyph_t *glyphs; |
| 51 | unsigned int num_glyphs; |
| 52 | char *utf8; |
| 53 | unsigned int utf8_len; |
| 54 | cairo_text_cluster_t *clusters; |
| 55 | unsigned int num_clusters; |
| 56 | cairo_text_cluster_flags_t cluster_flags; |
| 57 | |
| 58 | void finish (void) { |
| 59 | if (glyphs) |
| 60 | cairo_glyph_free (glyphs); |
| 61 | if (clusters) |
| 62 | cairo_text_cluster_free (clusters); |
| 63 | if (utf8) |
| 64 | g_free (utf8); |
| 65 | } |
| 66 | |
| 67 | double get_width (void) { |
| 68 | return glyphs[num_glyphs].x; |
| 69 | } |
| 70 | }; |
| 71 | |
| 72 | void |
| 73 | helper_cairo_line_from_buffer (helper_cairo_line_t *l, |
| 74 | hb_buffer_t *buffer, |
| 75 | const char *text, |
| 76 | unsigned int text_len, |
| 77 | double scale); |
| 78 | |
| 79 | #endif |
