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