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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/truetype/glyph_table.h"
20 #include "test/serialization_test.h"
21 
22 namespace sfntly {
23 
24 // We spot check only glyph id 33.
25 const int32_t GLYPH33_OFFSET = 0xAC8;
26 const int32_t GLYPH33_LENGTH = 40;
27 const int32_t GLYPH33_XMIN = 92;
28 const int32_t GLYPH33_YMIN = 20;
29 const int32_t GLYPH33_XMAX = 797;
30 const int32_t GLYPH33_YMAX = 1235;
31 
32 // TODO(arthurhsu): Tuffy does not have composite glyphs.  Need better testing.
VerifyGLYF(Table * table)33 static bool VerifyGLYF(Table* table) {
34   GlyphTablePtr glyf_table = down_cast<GlyphTable*>(table);
35   if (glyf_table == NULL) {
36     return false;
37   }
38 
39   GlyphPtr glyf;
40   glyf.Attach(glyf_table->GetGlyph(GLYPH33_OFFSET, GLYPH33_LENGTH));
41   if (glyf == NULL) {
42     return false;
43   }
44 
45   EXPECT_EQ(glyf->XMin(), GLYPH33_XMIN);
46   EXPECT_EQ(glyf->YMin(), GLYPH33_YMIN);
47   EXPECT_EQ(glyf->XMax(), GLYPH33_XMAX);
48   EXPECT_EQ(glyf->YMax(), GLYPH33_YMAX);
49 
50   return true;
51 }
52 
VerifyGLYF(Table * original,Table * target)53 bool VerifyGLYF(Table* original, Table* target) {
54   EXPECT_TRUE(VerifyGLYF(original));
55   EXPECT_TRUE(VerifyGLYF(target));
56   return true;
57 }
58 
59 }  // namespace sfntly
60