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/*
* 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 (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
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