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/*
* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "core/svg/SVGTransformList.h"
#include "core/svg/SVGParserUtilities.h"
#include "core/svg/SVGSVGElement.h"
#include "platform/transforms/AffineTransform.h"
#include "wtf/text/StringBuilder.h"
namespace WebCore {
SVGTransform SVGTransformList::createSVGTransformFromMatrix(const SVGMatrix& matrix) const
{
return SVGSVGElement::createSVGTransformFromMatrix(matrix);
}
SVGTransform SVGTransformList::consolidate()
{
AffineTransform matrix;
if (!concatenate(matrix))
return SVGTransform();
SVGTransform transform(matrix);
clear();
append(transform);
return transform;
}
bool SVGTransformList::concatenate(AffineTransform& result) const
{
unsigned size = this->size();
if (!size)
return false;
for (unsigned i = 0; i < size; ++i)
result *= at(i).matrix();
return true;
}
String SVGTransformList::valueAsString() const
{
StringBuilder builder;
unsigned size = this->size();
for (unsigned i = 0; i < size; ++i) {
if (i > 0)
builder.append(' ');
builder.append(at(i).valueAsString());
}
return builder.toString();
}
void SVGTransformList::parse(const String& transform)
{
if (transform.isEmpty()) {
// FIXME: The parseTransformAttribute function secretly calls clear()
// based on a |mode| parameter. We should study whether we should
// remove the |mode| parameter and force callers to call clear()
// themselves.
clear();
} else if (transform.is8Bit()) {
const LChar* ptr = transform.characters8();
const LChar* end = ptr + transform.length();
if (!parseTransformAttribute(*this, ptr, end))
clear();
} else {
const UChar* ptr = transform.characters16();
const UChar* end = ptr + transform.length();
if (!parseTransformAttribute(*this, ptr, end))
clear();
}
}
} // namespace WebCore
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