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 "sfntly/table/core/cmap_table.h"
25 #include "sfntly/tag.h"
26 #include "subtly/stats.h"
27 #include "subtly/subsetter.h"
28 #include "subtly/utils.h"
29
30 using namespace subtly;
31
PrintUsage(const char * program_name)32 void PrintUsage(const char* program_name) {
33 fprintf(stdout, "Usage: %s <input_font_file>\n", program_name);
34 }
35
main(int argc,const char ** argv)36 int main(int argc, const char** argv) {
37 const char* program_name = argv[0];
38 if (argc < 2) {
39 PrintUsage(program_name);
40 exit(1);
41 }
42
43 const char* input_font_path = argv[1];
44 const char* output_font_path = argv[2];
45 FontPtr font;
46 font.Attach(subtly::LoadFont(input_font_path));
47
48 int32_t original_size = TotalFontSize(font);
49 Ptr<Subsetter> subsetter = new Subsetter(font, NULL);
50 Ptr<Font> new_font;
51 new_font.Attach(subsetter->Subset());
52 if (!new_font) {
53 fprintf(stdout, "Cannot create subset.\n");
54 return 0;
55 }
56
57 subtly::SerializeFont(output_font_path, new_font);
58 subtly::PrintComparison(stdout, font, new_font);
59 int32_t new_size = TotalFontSize(new_font);
60 fprintf(stdout, "Went from %d to %d: %lf%% of original\n",
61 original_size, new_size,
62 static_cast<double>(new_size) / original_size * 100);
63 return 0;
64 }
65