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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 FontDataRange_h | |
| 27 #define FontDataRange_h | |
| 28 | |
| 29 #include "platform/fonts/FontData.h" | |
| 30 #include "platform/fonts/SimpleFontData.h" | |
| 31 #include "wtf/Allocator.h" | |
| 32 #include "wtf/text/CharacterNames.h" | |
| 33 | |
| 34 namespace blink { | |
| 35 | |
| 36 class SimpleFontData; | |
| 37 | |
| 38 struct FontDataRange { | |
| 39 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); | |
| 40 explicit FontDataRange(PassRefPtr<SimpleFontData> fontData) | |
| 41 : m_from(0) | |
| 42 , m_to(kMaxCodepoint) | |
| 43 , m_fontData(fontData) | |
| 44 { | |
| 45 } | |
| 46 | |
| 47 FontDataRange() | |
| 48 : m_from(0) | |
| 49 , m_to(kMaxCodepoint) | |
| 50 , m_fontData(nullptr) | |
| 51 { | |
| 52 } | |
| 53 | |
| 54 explicit FontDataRange(UChar32 from, UChar32 to, PassRefPtr<SimpleFontData>
fontData) | |
| 55 : m_from(from) | |
| 56 , m_to(to) | |
| 57 , m_fontData(fontData) | |
| 58 { | |
| 59 } | |
| 60 | |
| 61 UChar32 from() const { return m_from; } | |
| 62 UChar32 to() const { return m_to; } | |
| 63 bool contains(UChar32 testChar) { return testChar >= m_from && testChar <= m
_to; } | |
| 64 bool isEntireRange() const { return !m_from && m_to >= kMaxCodepoint; } | |
| 65 bool hasFontData() const { return fontData(); } | |
| 66 PassRefPtr<SimpleFontData> fontData() const { return m_fontData; } | |
| 67 | |
| 68 private: | |
| 69 UChar32 m_from; | |
| 70 UChar32 m_to; | |
| 71 RefPtr<SimpleFontData> m_fontData; | |
| 72 }; | |
| 73 | |
| 74 } // namespace blink | |
| 75 | |
| 76 #endif | |
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Chromium Code Reviews
Issue 1806653002:
Shape unicode-range: font faces in only one iteration (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master