1/* 2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org> 3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21#include "config.h" 22#include "core/svg/SVGNumberList.h" 23 24#include "core/svg/SVGAnimationElement.h" 25#include "core/svg/SVGParserUtilities.h" 26#include "wtf/text/StringBuilder.h" 27#include "wtf/text/WTFString.h" 28 29namespace blink { 30 31inline PassRefPtr<SVGNumberList> toSVGNumberList(PassRefPtr<SVGPropertyBase> passBase) 32{ 33 RefPtr<SVGPropertyBase> base = passBase; 34 ASSERT(base->type() == SVGNumberList::classType()); 35 return static_pointer_cast<SVGNumberList>(base.release()); 36} 37 38SVGNumberList::SVGNumberList() 39{ 40} 41 42SVGNumberList::~SVGNumberList() 43{ 44} 45 46String SVGNumberList::valueAsString() const 47{ 48 StringBuilder builder; 49 50 ConstIterator it = begin(); 51 ConstIterator itEnd = end(); 52 if (it != itEnd) { 53 builder.append(it->valueAsString()); 54 ++it; 55 56 for (; it != itEnd; ++it) { 57 builder.append(' '); 58 builder.append(it->valueAsString()); 59 } 60 } 61 62 return builder.toString(); 63} 64 65template <typename CharType> 66bool SVGNumberList::parse(const CharType*& ptr, const CharType* end) 67{ 68 clear(); 69 70 while (ptr < end) { 71 float number = 0; 72 if (!parseNumber(ptr, end, number)) 73 return false; 74 append(SVGNumber::create(number)); 75 } 76 77 return true; 78} 79 80void SVGNumberList::setValueAsString(const String& value, ExceptionState& exceptionState) 81{ 82 if (value.isEmpty()) { 83 clear(); 84 return; 85 } 86 87 bool valid = false; 88 if (value.is8Bit()) { 89 const LChar* ptr = value.characters8(); 90 const LChar* end = ptr + value.length(); 91 valid = parse(ptr, end); 92 } else { 93 const UChar* ptr = value.characters16(); 94 const UChar* end = ptr + value.length(); 95 valid = parse(ptr, end); 96 } 97 98 if (!valid) { 99 exceptionState.throwDOMException(SyntaxError, "Problem parsing number list \""+value+"\""); 100 // No call to |clear()| here. SVG policy is to use valid items before error. 101 // Spec: http://www.w3.org/TR/SVG/single-page.html#implnote-ErrorProcessing 102 } 103} 104 105void SVGNumberList::add(PassRefPtrWillBeRawPtr<SVGPropertyBase> other, SVGElement* contextElement) 106{ 107 RefPtr<SVGNumberList> otherList = toSVGNumberList(other); 108 109 if (length() != otherList->length()) 110 return; 111 112 for (size_t i = 0; i < length(); ++i) 113 at(i)->setValue(at(i)->value() + otherList->at(i)->value()); 114} 115 116void SVGNumberList::calculateAnimatedValue(SVGAnimationElement* animationElement, float percentage, unsigned repeatCount, PassRefPtr<SVGPropertyBase> fromValue, PassRefPtr<SVGPropertyBase> toValue, PassRefPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) 117{ 118 RefPtr<SVGNumberList> fromList = toSVGNumberList(fromValue); 119 RefPtr<SVGNumberList> toList = toSVGNumberList(toValue); 120 RefPtr<SVGNumberList> toAtEndOfDurationList = toSVGNumberList(toAtEndOfDurationValue); 121 122 size_t fromListSize = fromList->length(); 123 size_t toListSize = toList->length(); 124 size_t toAtEndOfDurationListSize = toAtEndOfDurationList->length(); 125 126 if (!adjustFromToListValues(fromList, toList, percentage, animationElement->animationMode())) 127 return; 128 129 for (size_t i = 0; i < toListSize; ++i) { 130 float effectiveFrom = fromListSize ? fromList->at(i)->value() : 0; 131 float effectiveTo = toListSize ? toList->at(i)->value() : 0; 132 float effectiveToAtEnd = i < toAtEndOfDurationListSize ? toAtEndOfDurationList->at(i)->value() : 0; 133 134 float animated = at(i)->value(); 135 animationElement->animateAdditiveNumber(percentage, repeatCount, effectiveFrom, effectiveTo, effectiveToAtEnd, animated); 136 at(i)->setValue(animated); 137 } 138} 139 140float SVGNumberList::calculateDistance(PassRefPtr<SVGPropertyBase> to, SVGElement*) 141{ 142 // FIXME: Distance calculation is not possible for SVGNumberList right now. We need the distance for every single value. 143 return -1; 144} 145 146Vector<float> SVGNumberList::toFloatVector() const 147{ 148 Vector<float> vec; 149 vec.reserveInitialCapacity(length()); 150 for (size_t i = 0; i < length(); ++i) 151 vec.uncheckedAppend(at(i)->value()); 152 return vec; 153} 154 155} 156