/* | |
* Copyright (C) 2008, 2009 Apple Inc. All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* | |
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
#include "config.h" | |
#include "SegmentedFontData.h" | |
#include "PlatformString.h" | |
#include "SimpleFontData.h" | |
#include <wtf/Assertions.h> | |
namespace WebCore { | |
SegmentedFontData::~SegmentedFontData() | |
{ | |
} | |
const SimpleFontData* SegmentedFontData::fontDataForCharacter(UChar32 c) const | |
{ | |
Vector<FontDataRange>::const_iterator end = m_ranges.end(); | |
for (Vector<FontDataRange>::const_iterator it = m_ranges.begin(); it != end; ++it) { | |
if (it->from() <= c && it->to() >= c) | |
return it->fontData(); | |
} | |
return m_ranges[0].fontData(); | |
} | |
bool SegmentedFontData::containsCharacter(UChar32 c) const | |
{ | |
Vector<FontDataRange>::const_iterator end = m_ranges.end(); | |
for (Vector<FontDataRange>::const_iterator it = m_ranges.begin(); it != end; ++it) { | |
if (c >= it->from() && c <= it->to()) | |
return true; | |
} | |
return false; | |
} | |
bool SegmentedFontData::containsCharacters(const UChar* characters, int length) const | |
{ | |
UChar32 c; | |
for (int i = 0; i < length; ) { | |
U16_NEXT(characters, i, length, c) | |
if (!containsCharacter(c)) | |
return false; | |
} | |
return true; | |
} | |
bool SegmentedFontData::isCustomFont() const | |
{ | |
// All segmented fonts are custom fonts. | |
return true; | |
} | |
bool SegmentedFontData::isLoading() const | |
{ | |
Vector<FontDataRange>::const_iterator end = m_ranges.end(); | |
for (Vector<FontDataRange>::const_iterator it = m_ranges.begin(); it != end; ++it) { | |
if (it->fontData()->isLoading()) | |
return true; | |
} | |
return false; | |
} | |
bool SegmentedFontData::isSegmented() const | |
{ | |
return true; | |
} | |
#ifndef NDEBUG | |
String SegmentedFontData::description() const | |
{ | |
return "[segmented font]"; | |
} | |
#endif | |
} // namespace WebCore |