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 <map>
18#include <algorithm>
19
20#include "sfntly/font.h"
21#include "sfntly/font_factory.h"
22#include "sfntly/table/core/font_header_table.h"
23#include "sfntly/tag.h"
24#include "sfntly/data/memory_byte_array.h"
25#include "sfntly/port/endian.h"
26#include "sfntly/port/file_input_stream.h"
27#include "sfntly/port/memory_output_stream.h"
28#include "test/test_data.h"
29#include "test/test_font_utils.h"
30#include "sfntly/table/core/cmap_table.h"
31#include "sfntly/port/refcount.h"
32#include "gtest/gtest.h"
33
34namespace sfntly {
35TEST(CMapEditingTest, RemoveAllButOneCMap) {
36  FontBuilderArray builders;
37  FontFactoryPtr font_factory;
38  font_factory.Attach(FontFactory::GetInstance());
39  BuilderForFontFile(SAMPLE_TTF_FILE, font_factory, &builders);
40  ASSERT_FALSE(builders.empty());
41  FontBuilderPtr font_builder = builders[0];
42  Ptr<CMapTable::Builder> cmap_table_builder =
43      (CMapTable::Builder*)font_builder->GetTableBuilder(Tag::cmap);
44  ASSERT_NE(cmap_table_builder, reinterpret_cast<CMapTable::Builder*>(NULL));
45  CMapTable::CMapBuilderMap*
46      cmap_builders = cmap_table_builder->GetCMapBuilders();
47  ASSERT_FALSE(cmap_builders->empty());
48
49  for (CMapTable::CMapBuilderMap::iterator
50           it = cmap_builders->begin(); it != cmap_builders->end();) {
51    if (it->second->cmap_id() == CMapTable::WINDOWS_BMP) {
52      ++it;
53    } else {
54      cmap_builders->erase(it++);
55    }
56  }
57  ASSERT_EQ(cmap_builders->size(), (uint32_t)1);
58  Font* font = font_builder->Build();
59  CMapTablePtr cmap_table = down_cast<CMapTable*>(font->GetTable(Tag::cmap));
60  ASSERT_EQ(1, cmap_table->NumCMaps());
61  CMapTable::CMapPtr cmap;
62  cmap.Attach(cmap_table->GetCMap(CMapTable::WINDOWS_BMP));
63  ASSERT_EQ(CMapTable::WINDOWS_BMP, cmap->cmap_id());
64  delete font;
65}
66
67TEST(CMapEditingTest, CopyAllCMapsToNewFont) {
68  FontArray fonts;
69  FontFactoryPtr font_factory;
70  font_factory.Attach(FontFactory::GetInstance());
71  LoadFont(SAMPLE_TTF_FILE, font_factory, &fonts);
72
73  ASSERT_FALSE(fonts.empty());
74  ASSERT_FALSE(fonts[0] == NULL);
75  FontPtr font = fonts[0];
76  CMapTablePtr cmap_table = down_cast<CMapTable*>(font->GetTable(Tag::cmap));
77  FontBuilderPtr font_builder;
78  font_builder.Attach(font_factory->NewFontBuilder());
79  Ptr<CMapTable::Builder> cmap_table_builder =
80      (CMapTable::Builder*)font_builder->NewTableBuilder(Tag::cmap);
81
82  CMapTable::CMapIterator cmap_iter(cmap_table, NULL);
83  while (cmap_iter.HasNext()) {
84    CMapTable::CMapPtr cmap;
85    cmap.Attach(cmap_iter.Next());
86    if (!cmap)
87      continue;
88    cmap_table_builder->NewCMapBuilder(cmap->cmap_id(), cmap->ReadFontData());
89  }
90
91  FontPtr new_font;
92  new_font.Attach(font_builder->Build());
93  CMapTablePtr new_cmap_table =
94      down_cast<CMapTable*>(font->GetTable(Tag::cmap));
95  ASSERT_EQ(cmap_table->NumCMaps(), new_cmap_table->NumCMaps());
96  CMapTable::CMapPtr cmap;
97  cmap.Attach(cmap_table->GetCMap(CMapTable::WINDOWS_BMP));
98  ASSERT_NE(cmap, reinterpret_cast<CMapTable::CMap*>(NULL));
99  ASSERT_EQ(CMapTable::WINDOWS_BMP, cmap->cmap_id());
100}
101}
102