harfbuzz/src/test-buffer-serialize.cc

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/*
* Copyright © 2010,2011,2013 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 "hb.hh"
#include "hb.h"
#include "hb-ot.h"
#ifdef HAVE_FREETYPE
#include "hb-ft.h"
#endif
#ifdef HB_NO_OPEN
#define hb_blob_create_from_file_or_fail(x) hb_blob_get_empty ()
#endif
int
main (int argc, char **argv)
{
bool ret = true;
#ifndef HB_NO_BUFFER_SERIALIZE
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if (argc < 2)
argv[1] = (char *) "/dev/null";
hb_blob_t *blob = hb_blob_create_from_file_or_fail (argv[1]);
assert (blob);
hb_face_t *face = hb_face_create (blob, 0 /* first face */);
hb_blob_destroy (blob);
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blob = nullptr;
unsigned int upem = hb_face_get_upem (face);
hb_font_t *font = hb_font_create (face);
hb_face_destroy (face);
hb_font_set_scale (font, upem, upem);
hb_buffer_t *buf;
buf = hb_buffer_create ();
char line[BUFSIZ], out[BUFSIZ];
while (fgets (line, sizeof(line), stdin))
{
hb_buffer_clear_contents (buf);
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while (true)
{
const char *p = line;
if (!hb_buffer_deserialize_glyphs (buf,
p, -1, &p,
font,
HB_BUFFER_SERIALIZE_FORMAT_TEXT))
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{
ret = false;
break;
}
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if (*p == '\n')
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break;
if (p == line)
{
ret = false;
break;
}
unsigned len = strlen (p);
memmove (line, p, len);
if (!fgets (line + len, sizeof(line) - len, stdin))
line[len] = '\0';
}
unsigned count = hb_buffer_get_length (buf);
for (unsigned offset = 0; offset < count;)
{
unsigned len;
offset += hb_buffer_serialize_glyphs (buf, offset, count,
out, sizeof (out), &len,
font, HB_BUFFER_SERIALIZE_FORMAT_TEXT,
HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS);
fwrite (out, 1, len, stdout);
}
fputs ("\n", stdout);
}
hb_buffer_destroy (buf);
hb_font_destroy (font);
#endif
return !ret;
}