/* * 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 */ #include "options.hh" #include <cairo.h> #ifndef HELPER_CAIRO_HH #define HELPER_CAIRO_HH 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 (void) { 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