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
29namespace WebCore {
30
31struct 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
42COMPILE_ASSERT(sizeof(TextRun) == sizeof(ExpectedTextRunSize), TextRun_is_not_of_expected_size);
43
44bool TextRun::s_allowsRoundingHacks = false;
45
46void TextRun::setAllowsRoundingHacks(bool allowsRoundingHacks)
47{
48    s_allowsRoundingHacks = allowsRoundingHacks;
49}
50
51void 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
66bool TextRun::allowsRoundingHacks()
67{
68    return s_allowsRoundingHacks;
69}
70
71}
72