142 lines
3.9 KiB
C++
142 lines
3.9 KiB
C++
/*
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* Copyright © 2018 Ebrahim Byagowi
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*/
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#include "hb.h"
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#include "hb-private.hh"
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#include "hb-ot-color-cbdt-table.hh"
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#include "hb-ot-color-sbix-table.hh"
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#include "hb-ot-color-svg-table.hh"
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#ifdef HAVE_GLIB
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#include <glib.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#ifndef HB_NO_VISIBILITY
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const void * const OT::_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)] = {};
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#endif
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void cbdt_callback (const uint8_t* data, unsigned int length,
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unsigned int group, unsigned int gid)
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{
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char outName[255];
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sprintf (outName, "out/cbdt-%d-%d.png", group, gid);
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FILE *f = fopen (outName, "wb");
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fwrite (data, 1, length, f);
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fclose (f);
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}
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void sbix_callback (const uint8_t* data, unsigned int length,
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unsigned int group, unsigned int gid)
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{
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char outName[255];
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sprintf (outName, "out/sbix-%d-%d.png", group, gid);
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FILE *f = fopen (outName, "wb");
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fwrite (data, 1, length, f);
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fclose (f);
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}
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void svg_callback (const uint8_t* data, unsigned int length,
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unsigned int start_glyph, unsigned int end_glyph)
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{
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char outName[255];
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if (start_glyph == end_glyph)
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sprintf (outName, "out/svg-%d.svg", start_glyph);
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else
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sprintf (outName, "out/svg-%d-%d.svg", start_glyph, end_glyph);
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// append "z" if the content is gzipped
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if ((data[0] == 0x1F) && (data[1] == 0x8B))
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strcat (outName, "z");
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FILE *f = fopen (outName, "wb");
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fwrite (data, 1, length, f);
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fclose (f);
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}
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int main(int argc, char **argv)
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{
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if (argc != 2) {
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fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
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exit (1);
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}
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hb_blob_t *blob = nullptr;
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{
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const char *font_data;
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unsigned int len;
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hb_destroy_func_t destroy;
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void *user_data;
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hb_memory_mode_t mm;
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#ifdef HAVE_GLIB
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GMappedFile *mf = g_mapped_file_new (argv[1], false, nullptr);
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font_data = g_mapped_file_get_contents (mf);
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len = g_mapped_file_get_length (mf);
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destroy = (hb_destroy_func_t) g_mapped_file_unref;
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user_data = (void *) mf;
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mm = HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE;
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#else
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FILE *f = fopen (argv[1], "rb");
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fseek (f, 0, SEEK_END);
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len = ftell (f);
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fseek (f, 0, SEEK_SET);
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font_data = (const char *) malloc (len);
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if (!font_data) len = 0;
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len = fread ((char *) font_data, 1, len, f);
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destroy = free;
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user_data = (void *) font_data;
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fclose (f);
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mm = HB_MEMORY_MODE_WRITABLE;
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#endif
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blob = hb_blob_create (font_data, len, mm, user_data, destroy);
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}
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hb_face_t *face = hb_face_create (blob, 0);
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hb_font_t *font = hb_font_create (face);
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OT::CBDT::accelerator_t cbdt;
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cbdt.init (face);
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cbdt.dump (cbdt_callback);
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cbdt.fini ();
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OT::sbix::accelerator_t sbix;
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sbix.init (face);
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sbix.dump (sbix_callback);
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sbix.fini ();
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OT::SVG::accelerator_t svg;
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svg.init (face);
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svg.dump (svg_callback);
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svg.fini ();
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hb_font_destroy (font);
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hb_face_destroy (face);
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hb_blob_destroy (blob);
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return 0;
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}
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