| /* |
| * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005, 2006 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 "core/svg/SVGLengthList.h" |
| |
| #include "core/svg/SVGAnimationElement.h" |
| #include "core/svg/SVGParserUtilities.h" |
| #include "wtf/text/StringBuilder.h" |
| |
| namespace blink { |
| |
| SVGLengthList::SVGLengthList(SVGLengthMode mode) : m_mode(mode) {} |
| |
| SVGLengthList::~SVGLengthList() {} |
| |
| SVGLengthList* SVGLengthList::clone() { |
| SVGLengthList* ret = SVGLengthList::create(m_mode); |
| ret->deepCopy(this); |
| return ret; |
| } |
| |
| SVGPropertyBase* SVGLengthList::cloneForAnimation(const String& value) const { |
| SVGLengthList* ret = SVGLengthList::create(m_mode); |
| ret->setValueAsString(value); |
| return ret; |
| } |
| |
| String SVGLengthList::valueAsString() const { |
| StringBuilder builder; |
| |
| ConstIterator it = begin(); |
| ConstIterator itEnd = end(); |
| if (it != itEnd) { |
| builder.append(it->valueAsString()); |
| ++it; |
| |
| for (; it != itEnd; ++it) { |
| builder.append(' '); |
| builder.append(it->valueAsString()); |
| } |
| } |
| |
| return builder.toString(); |
| } |
| |
| template <typename CharType> |
| SVGParsingError SVGLengthList::parseInternal(const CharType*& ptr, |
| const CharType* end) { |
| const CharType* listStart = ptr; |
| while (ptr < end) { |
| const CharType* start = ptr; |
| // TODO(shanmuga.m): Enable calc for SVGLengthList |
| while (ptr < end && *ptr != ',' && !isHTMLSpace<CharType>(*ptr)) |
| ptr++; |
| if (ptr == start) |
| break; |
| String valueString(start, ptr - start); |
| if (valueString.isEmpty()) |
| break; |
| |
| SVGLength* length = SVGLength::create(m_mode); |
| SVGParsingError lengthParseStatus = length->setValueAsString(valueString); |
| if (lengthParseStatus != SVGParseStatus::NoError) |
| return lengthParseStatus.offsetWith(start - listStart); |
| append(length); |
| skipOptionalSVGSpacesOrDelimiter(ptr, end); |
| } |
| return SVGParseStatus::NoError; |
| } |
| |
| SVGParsingError SVGLengthList::setValueAsString(const String& value) { |
| clear(); |
| |
| if (value.isEmpty()) |
| return SVGParseStatus::NoError; |
| |
| if (value.is8Bit()) { |
| const LChar* ptr = value.characters8(); |
| const LChar* end = ptr + value.length(); |
| return parseInternal(ptr, end); |
| } |
| const UChar* ptr = value.characters16(); |
| const UChar* end = ptr + value.length(); |
| return parseInternal(ptr, end); |
| } |
| |
| void SVGLengthList::add(SVGPropertyBase* other, SVGElement* contextElement) { |
| SVGLengthList* otherList = toSVGLengthList(other); |
| |
| if (length() != otherList->length()) |
| return; |
| |
| SVGLengthContext lengthContext(contextElement); |
| for (size_t i = 0; i < length(); ++i) |
| at(i)->setValue( |
| at(i)->value(lengthContext) + otherList->at(i)->value(lengthContext), |
| lengthContext); |
| } |
| |
| SVGLength* SVGLengthList::createPaddingItem() const { |
| return SVGLength::create(m_mode); |
| } |
| |
| void SVGLengthList::calculateAnimatedValue( |
| SVGAnimationElement* animationElement, |
| float percentage, |
| unsigned repeatCount, |
| SVGPropertyBase* fromValue, |
| SVGPropertyBase* toValue, |
| SVGPropertyBase* toAtEndOfDurationValue, |
| SVGElement* contextElement) { |
| SVGLengthList* fromList = toSVGLengthList(fromValue); |
| SVGLengthList* toList = toSVGLengthList(toValue); |
| SVGLengthList* toAtEndOfDurationList = |
| toSVGLengthList(toAtEndOfDurationValue); |
| |
| SVGLengthContext lengthContext(contextElement); |
| ASSERT(m_mode == SVGLength::lengthModeForAnimatedLengthAttribute( |
| animationElement->attributeName())); |
| |
| size_t fromLengthListSize = fromList->length(); |
| size_t toLengthListSize = toList->length(); |
| size_t toAtEndOfDurationListSize = toAtEndOfDurationList->length(); |
| |
| if (!adjustFromToListValues(fromList, toList, percentage, |
| animationElement->getAnimationMode())) |
| return; |
| |
| for (size_t i = 0; i < toLengthListSize; ++i) { |
| // TODO(shanmuga.m): Support calc for SVGLengthList animation |
| float animatedNumber = at(i)->value(lengthContext); |
| CSSPrimitiveValue::UnitType unitType = |
| toList->at(i)->typeWithCalcResolved(); |
| float effectiveFrom = 0; |
| if (fromLengthListSize) { |
| if (percentage < 0.5) |
| unitType = fromList->at(i)->typeWithCalcResolved(); |
| effectiveFrom = fromList->at(i)->value(lengthContext); |
| } |
| float effectiveTo = toList->at(i)->value(lengthContext); |
| float effectiveToAtEnd = |
| i < toAtEndOfDurationListSize |
| ? toAtEndOfDurationList->at(i)->value(lengthContext) |
| : 0; |
| |
| animationElement->animateAdditiveNumber(percentage, repeatCount, |
| effectiveFrom, effectiveTo, |
| effectiveToAtEnd, animatedNumber); |
| at(i)->setUnitType(unitType); |
| at(i)->setValue(animatedNumber, lengthContext); |
| } |
| } |
| |
| float SVGLengthList::calculateDistance(SVGPropertyBase* to, SVGElement*) { |
| // FIXME: Distance calculation is not possible for SVGLengthList right now. We |
| // need the distance for every single value. |
| return -1; |
| } |
| } // namespace blink |