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/*
* Copyright (C) 2000 Red Hat, Inc.
*
* This is part of HarfBuzz, an OpenType Layout engine 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.
*
* Red Hat Author(s): Owen Taylor
*/
#include <stdio.h>
#include <stdlib.h>
#include "harfbuzz.h"
#include "harfbuzz-dump.h"
#define N_ELEMENTS(arr) (sizeof(arr)/ sizeof((arr)[0]))
static int
croak (const char *situation, HB_Error error)
{
fprintf (stderr, "%s: Error %d\n", situation, error);
exit (1);
}
#if 0
enum {
I = 1 << 0,
M = 1 << 1,
F = 1 << 2,
L = 1 << 3
};
static void
print_tag (HB_UInt tag)
{
fprintf (stderr, "%c%c%c%c",
(unsigned char)(tag >> 24),
(unsigned char)((tag >> 16) & 0xff),
(unsigned char)((tag >> 8) & 0xff),
(unsigned char)(tag & 0xff));
}
static void
maybe_add_feature (HB_GSUB gsub,
HB_UShort script_index,
HB_UInt tag,
HB_UShort property)
{
HB_Error error;
HB_UShort feature_index;
/* 0xffff == default language system */
error = HB_GSUB_Select_Feature (gsub, tag, script_index, 0xffff, &feature_index);
if (error)
{
if (error == HB_Err_Not_Covered)
{
print_tag (tag);
fprintf (stderr, " not covered, ignored\n");
return;
}
croak ("HB_GSUB_Select_Feature", error);
}
if ((error = HB_GSUB_Add_Feature (gsub, feature_index, property)))
croak ("HB_GSUB_Add_Feature", error);
}
static void
add_features (HB_GSUB gsub)
{
HB_Error error;
HB_UInt tag = HB_MAKE_TAG ('a', 'r', 'a', 'b');
HB_UShort script_index;
error = HB_GSUB_Select_Script (gsub, tag, &script_index);
if (error)
{
if (error == HB_Err_Not_Covered)
{
fprintf (stderr, "Arabic not covered, no features used\n");
return;
}
croak ("HB_GSUB_Select_Script", error);
}
maybe_add_feature (gsub, script_index, HB_MAKE_TAG ('i', 'n', 'i', 't'), I);
maybe_add_feature (gsub, script_index, HB_MAKE_TAG ('m', 'e', 'd', 'i'), M);
maybe_add_feature (gsub, script_index, HB_MAKE_TAG ('f', 'i', 'n', 'a'), F);
maybe_add_feature (gsub, script_index, HB_MAKE_TAG ('l', 'i', 'g', 'a'), L);
}
#endif
#if 0
void
dump_string (HB_GSUB_String *str)
{
HB_UInt i;
fprintf (stderr, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n");
for (i = 0; i < str->length; i++)
{
fprintf (stderr, "%2lu: %#06x %#06x %4d %4d\n",
i,
str->string[i],
str->properties[i],
str->components[i],
str->ligIDs[i]);
}
fprintf (stderr, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n");
}
HB_UShort arabic_str[] = { 0x645, 0x643, 0x64a, 0x644, 0x639, 0x20, 0x645, 0x627, 0x644, 0x633, 0x644, 0x627 };
HB_UShort arabic_props[] = { I|L, M|L, M|L, M|L, M|L, F|L, I|L, M|L, M|L, M|L, M|L, F|L };
void
try_string (FT_Library library,
HB_Font font,
HB_GSUB gsub)
{
HB_Error error;
HB_GSUB_String *in_str;
HB_GSUB_String *out_str;
HB_UInt i;
if ((error = HB_GSUB_String_New (font->memory, &in_str)))
croak ("HB_GSUB_String_New", error);
if ((error = HB_GSUB_String_New (font->memory, &out_str)))
croak ("HB_GSUB_String_New", error);
if ((error = HB_GSUB_String_Set_Length (in_str, N_ELEMENTS (arabic_str))))
croak ("HB_GSUB_String_Set_Length", error);
for (i=0; i < N_ELEMENTS (arabic_str); i++)
{
in_str->string[i] = FT_Get_Char_Index (font, arabic_str[i]);
in_str->properties[i] = arabic_props[i];
in_str->components[i] = i;
in_str->ligIDs[i] = i;
}
if ((error = HB_GSUB_Apply_String (gsub, in_str, out_str)))
croak ("HB_GSUB_Apply_String", error);
dump_string (in_str);
dump_string (out_str);
if ((error = HB_GSUB_String_Done (in_str)))
croak ("HB_GSUB_String_New", error);
if ((error = HB_GSUB_String_Done (out_str)))
croak ("HB_GSUB_String_New", error);
}
#endif
int
main (int argc, char **argv)
{
HB_Error error;
FT_Library library;
HB_Font font;
HB_GSUB gsub;
HB_GPOS gpos;
if (argc != 2)
{
fprintf (stderr, "Usage: ottest MYFONT.TTF\n");
exit(1);
}
if ((error = FT_Init_FreeType (&library)))
croak ("FT_Init_FreeType", error);
if ((error = FT_New_Face (library, argv[1], 0, &font)))
croak ("FT_New_Face", error);
printf ("<?xml version=\"1.0\"?>\n");
printf ("<OpenType>\n");
if (!(error = HB_Load_GSUB_Table (font, &gsub, NULL)))
{
HB_Dump_GSUB_Table (gsub, stdout);
if ((error = HB_Done_GSUB_Table (gsub)))
croak ("HB_Done_GSUB_Table", error);
}
else if (error != HB_Err_Not_Covered)
fprintf (stderr, "HB_Load_GSUB_Table: error 0x%x\n", error);
if (!(error = HB_Load_GPOS_Table (font, &gpos, NULL)))
{
HB_Dump_GPOS_Table (gpos, stdout);
if ((error = HB_Done_GPOS_Table (gpos)))
croak ("HB_Done_GPOS_Table", error);
}
else if (error != HB_Err_Not_Covered)
fprintf (stderr, "HB_Load_GPOS_Table: error 0x%x\n", error);
printf ("</OpenType>\n");
#if 0
select_cmap (font);
add_features (gsub);
try_string (library, font, gsub);
#endif
if ((error = FT_Done_Face (font)))
croak ("FT_Done_Face", error);
if ((error = FT_Done_FreeType (library)))
croak ("FT_Done_FreeType", error);
return 0;
}
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