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Side by Side Diff: third_party/WebKit/Source/platform/fonts/FontDataForRangeSet.h

Issue 1806653002: Shape unicode-range: font faces in only one iteration (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Update UnicodeRangeSetTests to RefPtrtr, rm copy constructor and test Created 4 years, 9 months ago
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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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