harfbuzz/util/options.hh
2011-09-08 17:11:01 -04:00

115 lines
2.9 KiB
C++

/*
* 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 "common.hh"
#ifndef OPTIONS_HH
#define OPTIONS_HH
#define DEFAULT_MARGIN 18
#define DEFAULT_FORE "#000000"
#define DEFAULT_BACK "#FFFFFF"
extern struct view_options_t
{
view_options_t (void) {
memset (this, 0, sizeof (*this));
fore = DEFAULT_FORE;
back = DEFAULT_BACK;
margin.t = margin.r = margin.b = margin.l = DEFAULT_MARGIN;
}
void add_options (GOptionContext *context);
hb_bool_t annotate;
const char *fore;
const char *back;
double line_space;
struct margin_t {
double t, r, b, l;
} margin;
} view_opts[1];
extern struct shape_options_t
{
shape_options_t (void) {
memset (this, 0, sizeof (*this));
}
~shape_options_t (void) {
free (features);
g_free (shapers);
}
void add_options (GOptionContext *context);
void setup_buffer (hb_buffer_t *buffer) {
hb_buffer_set_direction (buffer, hb_direction_from_string (direction, -1));
hb_buffer_set_script (buffer, hb_script_from_string (script, -1));
hb_buffer_set_language (buffer, hb_language_from_string (language, -1));
}
bool shape (hb_font_t *font, hb_buffer_t *buffer) {
setup_buffer (buffer);
return hb_shape_full (font, buffer, features, num_features, NULL, shapers);
}
const char *direction;
const char *language;
const char *script;
hb_feature_t *features;
unsigned int num_features;
char **shapers;
} shape_opts[1];
#define DEFAULT_FONT_SIZE 36
extern struct font_options_t
{
font_options_t (void) {
memset (this, 0, sizeof (*this));
font_size = DEFAULT_FONT_SIZE;
}
void add_options (GOptionContext *context);
const char *font_file;
int face_index;
double font_size;
} font_opts[1];
extern const char *text;
extern const char *out_file;
extern hb_bool_t debug;
void parse_options (int argc, char *argv[]);
#endif