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 "gtest/gtest.h"
18#include "sfntly/font.h"
19#include "sfntly/table/core/horizontal_device_metrics_table.h"
20#include "test/test_data.h"
21#include "test/test_font_utils.h"
22
23namespace sfntly {
24
25const int32_t HDMX_VERSION = 0;
26const int32_t HDMX_NUM_RECORDS = 4;
27const int32_t HDMX_RECORD_SIZE = 628;
28const int32_t HDMX_PIXEL_SIZE[] = {10, 11, 12, 13};
29const int32_t HDMX_MAX_WIDTH[] = {5, 6, 7, 7};
30
31bool TestReadingHdmxTable() {
32  FontFactoryPtr factory;
33  factory.Attach(FontFactory::GetInstance());
34  FontArray font_array;
35  LoadFont(SAMPLE_BITMAP_FONT, factory, &font_array);
36  FontPtr font = font_array[0];
37
38  HorizontalDeviceMetricsTablePtr hdmx_table =
39      down_cast<HorizontalDeviceMetricsTable*>(font->GetTable(Tag::hdmx));
40
41  EXPECT_FALSE(hdmx_table == NULL);
42
43  EXPECT_EQ(hdmx_table->Version(), HDMX_VERSION);
44  EXPECT_EQ(hdmx_table->NumRecords(), HDMX_NUM_RECORDS);
45  EXPECT_EQ(hdmx_table->RecordSize(), HDMX_RECORD_SIZE);
46
47  for (int32_t i = 0; i < HDMX_NUM_RECORDS; ++i) {
48    EXPECT_EQ(hdmx_table->PixelSize(i), HDMX_PIXEL_SIZE[i]);
49    EXPECT_EQ(hdmx_table->MaxWidth(i), HDMX_MAX_WIDTH[i]);
50  }
51
52  EXPECT_EQ(hdmx_table->Width(0, 0), HDMX_MAX_WIDTH[0]);
53  EXPECT_EQ(hdmx_table->Width(0, 19), HDMX_MAX_WIDTH[0]);
54  EXPECT_EQ(hdmx_table->Width(0, 623), HDMX_MAX_WIDTH[0]);
55  EXPECT_EQ(hdmx_table->Width(1, 0), HDMX_MAX_WIDTH[1]);
56  EXPECT_EQ(hdmx_table->Width(1, 19), HDMX_MAX_WIDTH[1]);
57  EXPECT_EQ(hdmx_table->Width(1, 623), HDMX_MAX_WIDTH[1]);
58  EXPECT_EQ(hdmx_table->Width(2, 0), HDMX_MAX_WIDTH[2]);
59  EXPECT_EQ(hdmx_table->Width(2, 19), HDMX_MAX_WIDTH[2]);
60  EXPECT_EQ(hdmx_table->Width(2, 623), HDMX_MAX_WIDTH[2]);
61  EXPECT_EQ(hdmx_table->Width(3, 0), HDMX_MAX_WIDTH[3]);
62  EXPECT_EQ(hdmx_table->Width(3, 19), HDMX_MAX_WIDTH[3]);
63  EXPECT_EQ(hdmx_table->Width(3, 623), HDMX_MAX_WIDTH[3]);
64
65#if defined(SFNTLY_NO_EXCEPTION)
66  EXPECT_EQ(hdmx_table->PixelSize(4), -1);
67  EXPECT_EQ(hdmx_table->PixelSize(-1), -1);
68  EXPECT_EQ(hdmx_table->MaxWidth(4), -1);
69  EXPECT_EQ(hdmx_table->MaxWidth(-1), -1);
70  EXPECT_EQ(hdmx_table->Width(0, 624), -1);
71  EXPECT_EQ(hdmx_table->Width(1, -1), -1);
72  EXPECT_EQ(hdmx_table->Width(-1, 0), -1);
73  EXPECT_EQ(hdmx_table->Width(-1, -1), -1);
74#endif
75  return true;
76}
77
78}  // namespace sfntly
79
80TEST(HdmxTable, All) {
81  ASSERT_TRUE(sfntly::TestReadingHdmxTable());
82}
83