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/*
* Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
* Copyright (C) 2007 Apple Inc. All rights reserved.
*
* 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 "core/svg/SVGRect.h"
#include "core/svg/SVGAnimationElement.h"
#include "core/svg/SVGParserUtilities.h"
#include "wtf/text/StringBuilder.h"
#include "wtf/text/WTFString.h"
namespace blink {
SVGRect::SVGRect() : m_isValid(true) {}
SVGRect::SVGRect(const FloatRect& rect) : m_isValid(true), m_value(rect) {}
SVGRect* SVGRect::clone() const {
return SVGRect::create(m_value);
}
template <typename CharType>
SVGParsingError SVGRect::parse(const CharType*& ptr, const CharType* end) {
const CharType* start = ptr;
float x = 0;
float y = 0;
float width = 0;
float height = 0;
if (!parseNumber(ptr, end, x) || !parseNumber(ptr, end, y) ||
!parseNumber(ptr, end, width) ||
!parseNumber(ptr, end, height, DisallowWhitespace))
return SVGParsingError(SVGParseStatus::ExpectedNumber, ptr - start);
if (skipOptionalSVGSpaces(ptr, end)) {
// Nothing should come after the last, fourth number.
return SVGParsingError(SVGParseStatus::TrailingGarbage, ptr - start);
}
m_value = FloatRect(x, y, width, height);
m_isValid = true;
return SVGParseStatus::NoError;
}
SVGParsingError SVGRect::setValueAsString(const String& string) {
setInvalid();
if (string.isNull())
return SVGParseStatus::NoError;
if (string.isEmpty())
return SVGParsingError(SVGParseStatus::ExpectedNumber, 0);
if (string.is8Bit()) {
const LChar* ptr = string.characters8();
const LChar* end = ptr + string.length();
return parse(ptr, end);
}
const UChar* ptr = string.characters16();
const UChar* end = ptr + string.length();
return parse(ptr, end);
}
String SVGRect::valueAsString() const {
StringBuilder builder;
builder.appendNumber(x());
builder.append(' ');
builder.appendNumber(y());
builder.append(' ');
builder.appendNumber(width());
builder.append(' ');
builder.appendNumber(height());
return builder.toString();
}
void SVGRect::add(SVGPropertyBase* other, SVGElement*) {
m_value += toSVGRect(other)->value();
}
void SVGRect::calculateAnimatedValue(SVGAnimationElement* animationElement,
float percentage,
unsigned repeatCount,
SVGPropertyBase* fromValue,
SVGPropertyBase* toValue,
SVGPropertyBase* toAtEndOfDurationValue,
SVGElement*) {
ASSERT(animationElement);
SVGRect* fromRect = animationElement->getAnimationMode() == ToAnimation
? this
: toSVGRect(fromValue);
SVGRect* toRect = toSVGRect(toValue);
SVGRect* toAtEndOfDurationRect = toSVGRect(toAtEndOfDurationValue);
float animatedX = x();
float animatedY = y();
float animatedWidth = width();
float animatedHeight = height();
animationElement->animateAdditiveNumber(
percentage, repeatCount, fromRect->x(), toRect->x(),
toAtEndOfDurationRect->x(), animatedX);
animationElement->animateAdditiveNumber(
percentage, repeatCount, fromRect->y(), toRect->y(),
toAtEndOfDurationRect->y(), animatedY);
animationElement->animateAdditiveNumber(
percentage, repeatCount, fromRect->width(), toRect->width(),
toAtEndOfDurationRect->width(), animatedWidth);
animationElement->animateAdditiveNumber(
percentage, repeatCount, fromRect->height(), toRect->height(),
toAtEndOfDurationRect->height(), animatedHeight);
m_value = FloatRect(animatedX, animatedY, animatedWidth, animatedHeight);
}
float SVGRect::calculateDistance(SVGPropertyBase* to,
SVGElement* contextElement) {
// FIXME: Distance calculation is not possible for SVGRect right now. We need
// the distance for every single value.
return -1;
}
void SVGRect::setInvalid() {
m_value = FloatRect(0.0f, 0.0f, 0.0f, 0.0f);
m_isValid = false;
}
} // namespace blink
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