1 /*
2 * Copyright (C) 2011 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 INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "platform/text/TextRun.h"
28
29 namespace WebCore {
30
31 struct ExpectedTextRunSize {
32 const void* pointer;
33 int integers[2];
34 float float1;
35 float float2;
36 float float3;
37 uint32_t bitfields : 10;
38 unsigned anUnsigned;
39 RefPtr<TextRun::RenderingContext> renderingContext;
40 };
41
42 COMPILE_ASSERT(sizeof(TextRun) == sizeof(ExpectedTextRunSize), TextRun_is_not_of_expected_size);
43
44 bool TextRun::s_allowsRoundingHacks = false;
45
setAllowsRoundingHacks(bool allowsRoundingHacks)46 void TextRun::setAllowsRoundingHacks(bool allowsRoundingHacks)
47 {
48 s_allowsRoundingHacks = allowsRoundingHacks;
49 }
50
setText(const String & string)51 void TextRun::setText(const String& string)
52 {
53 m_len = string.length();
54 if (!m_len) {
55 m_data.characters8 = 0;
56 m_is8Bit = true;
57 return;
58 }
59 m_is8Bit = string.is8Bit();
60 if (m_is8Bit)
61 m_data.characters8 = string.characters8();
62 else
63 m_data.characters16 = string.characters16();
64 }
65
allowsRoundingHacks()66 bool TextRun::allowsRoundingHacks()
67 {
68 return s_allowsRoundingHacks;
69 }
70
71 }
72