1/*
2 * Copyright 2011 Google Inc. All Rights Reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <stdio.h>
18#include <stdlib.h>
19
20#include <map>
21#include <utility>
22
23#include "sfntly/font.h"
24#include "subtly/merger.h"
25#include "subtly/stats.h"
26#include "subtly/utils.h"
27
28using namespace subtly;
29
30void PrintUsage(const char* program_name) {
31  fprintf(stdout, "Usage: %s <input_font_file1> <input_font_file2> ..."
32          "<input_font_filen> <output_font_file>\n",
33          program_name);
34}
35
36void CheckLoading(const char* font_path, Font* font) {
37  if (!font || font->num_tables() == 0) {
38    fprintf(stderr, "Could not load font %s. Terminating.\n", font_path);
39    exit(1);
40  }
41}
42
43int main(int argc, const char** argv) {
44  if (argc < 3) {
45    PrintUsage(argv[0]);
46    exit(1);
47  }
48
49  FontArray fonts;
50  for (int32_t i = 1; i < argc - 1; ++i) {
51    Ptr<Font> font;
52    font.Attach(LoadFont(argv[i]));
53    CheckLoading(argv[i], font);
54    fonts.push_back(font);
55  }
56
57  Ptr<Merger> merger = new Merger(&fonts);
58  FontPtr new_font;
59  new_font.Attach(merger->Merge());
60
61  fprintf(stderr, "Serializing font to %s\n", argv[argc - 1]);
62  SerializeFont(argv[argc - 1], new_font);
63  if (!new_font) {
64    fprintf(stdout, "Cannot create merged font.\n");
65    return 1;
66  }
67
68  return 0;
69}
70