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1 /* | |
2 * Copyright (C) 2008, 2009 Apple Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * 1. Redistributions of source code must retain the above copyright | |
8 * notice, this list of conditions and the following disclaimer. | |
9 * 2. Redistributions in binary form must reproduce the above copyright | |
10 * notice, this list of conditions and the following disclaimer in the | |
11 * documentation and/or other materials provided with the distribution. | |
12 * | |
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #ifndef FontDataForRangeSet_h | |
27 #define FontDataForRangeSet_h | |
28 | |
29 #include "platform/fonts/FontData.h" | |
30 #include "platform/fonts/SimpleFontData.h" | |
31 #include "platform/fonts/UnicodeRangeSet.h" | |
32 #include "wtf/Allocator.h" | |
33 #include "wtf/text/CharacterNames.h" | |
34 | |
35 namespace blink { | |
36 | |
37 class SimpleFontData; | |
38 | |
39 class FontDataForRangeSet final { | |
40 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); | |
41 explicit FontDataForRangeSet(PassRefPtr<SimpleFontData> fontData) | |
42 : m_fontData(fontData) | |
43 { | |
44 } | |
45 | |
46 FontDataForRangeSet() | |
47 : m_fontData(nullptr) | |
48 { | |
49 } | |
50 | |
51 explicit FontDataForRangeSet(PassRefPtr<SimpleFontData> fontData, PassRefPtr
<UnicodeRangeSet> rangeSet) | |
52 : m_fontData(fontData) | |
53 , m_rangeSet(rangeSet) | |
54 { | |
55 } | |
56 | |
57 // Shorthand for GlyphPageTreeNode tests. | |
58 explicit FontDataForRangeSet(PassRefPtr<SimpleFontData> fontData, UChar32 fr
om, UChar32 to) | |
59 : m_fontData(fontData) | |
60 { | |
61 UnicodeRange range(from, to); | |
62 Vector<UnicodeRange> rangeVector; | |
63 rangeVector.append(range); | |
64 m_rangeSet = adoptRef(new UnicodeRangeSet(rangeVector)); | |
65 } | |
66 | |
67 | |
68 bool contains(UChar32 testChar) const { return m_rangeSet->contains(testChar
); } | |
69 bool isEntireRange() const { return m_rangeSet->isEntireRange(); } | |
70 PassRefPtr<UnicodeRangeSet> ranges() const { return m_rangeSet; } | |
71 bool hasFontData() const { return fontData(); } | |
72 PassRefPtr<SimpleFontData> fontData() const { return m_fontData; } | |
73 | |
74 private: | |
75 RefPtr<SimpleFontData> m_fontData; | |
76 RefPtr<UnicodeRangeSet> m_rangeSet; | |
77 }; | |
78 | |
79 } // namespace blink | |
80 | |
81 #endif | |
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