1 /* 2 * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis (at) kde.org> 4 * Copyright (C) 2007 Apple Inc. All rights reserved. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 #include "config.h" 23 24 #include "core/svg/SVGRect.h" 25 26 #include "bindings/v8/ExceptionState.h" 27 #include "core/dom/ExceptionCode.h" 28 #include "core/svg/SVGAnimationElement.h" 29 #include "core/svg/SVGParserUtilities.h" 30 #include "wtf/text/StringBuilder.h" 31 #include "wtf/text/WTFString.h" 32 33 namespace WebCore { 34 35 SVGRect::SVGRect() 36 : SVGPropertyBase(classType()) 37 , m_isValid(true) 38 { 39 } 40 41 SVGRect::SVGRect(InvalidSVGRectTag) 42 : SVGPropertyBase(classType()) 43 { 44 setInvalid(); 45 } 46 47 SVGRect::SVGRect(const FloatRect& rect) 48 : SVGPropertyBase(classType()) 49 , m_isValid(true) 50 , m_value(rect) 51 { 52 } 53 54 PassRefPtr<SVGRect> SVGRect::clone() const 55 { 56 return SVGRect::create(m_value); 57 } 58 59 PassRefPtr<SVGPropertyBase> SVGRect::cloneForAnimation(const String& value) const 60 { 61 RefPtr<SVGRect> rect = SVGRect::create(); 62 rect->setValueAsString(value, IGNORE_EXCEPTION); 63 return rect.release(); 64 } 65 66 template<typename CharType> 67 void SVGRect::parse(const CharType*& ptr, const CharType* end, ExceptionState& exceptionState) 68 { 69 const CharType* start = ptr; 70 71 skipOptionalSVGSpaces(ptr, end); 72 73 float x = 0.0f; 74 float y = 0.0f; 75 float width = 0.0f; 76 float height = 0.0f; 77 bool valid = parseNumber(ptr, end, x) && parseNumber(ptr, end, y) && parseNumber(ptr, end, width) && parseNumber(ptr, end, height, DisallowWhitespace); 78 79 if (!valid) { 80 exceptionState.throwDOMException(SyntaxError, "Problem parsing rect \"" + String(start, end - start) + "\""); 81 setInvalid(); 82 return; 83 } 84 85 skipOptionalSVGSpaces(ptr, end); 86 if (ptr < end) { // nothing should come after the last, fourth number 87 exceptionState.throwDOMException(SyntaxError, "Problem parsing rect \"" + String(start, end - start) + "\""); 88 setInvalid(); 89 return; 90 } 91 92 m_value = FloatRect(x, y, width, height); 93 m_isValid = true; 94 } 95 96 void SVGRect::setValueAsString(const String& string, ExceptionState& exceptionState) 97 { 98 if (string.isNull()) { 99 setInvalid(); 100 return; 101 } 102 if (string.isEmpty()) { 103 m_value = FloatRect(0.0f, 0.0f, 0.0f, 0.0f); 104 m_isValid = true; 105 return; 106 } 107 108 if (string.is8Bit()) { 109 const LChar* ptr = string.characters8(); 110 const LChar* end = ptr + string.length(); 111 parse(ptr, end, exceptionState); 112 return; 113 } 114 115 const UChar* ptr = string.characters16(); 116 const UChar* end = ptr + string.length(); 117 parse(ptr, end, exceptionState); 118 } 119 120 String SVGRect::valueAsString() const 121 { 122 StringBuilder builder; 123 builder.append(String::number(x())); 124 builder.append(' '); 125 builder.append(String::number(y())); 126 builder.append(' '); 127 builder.append(String::number(width())); 128 builder.append(' '); 129 builder.append(String::number(height())); 130 return builder.toString(); 131 } 132 133 void SVGRect::add(PassRefPtrWillBeRawPtr<SVGPropertyBase> other, SVGElement*) 134 { 135 m_value += toSVGRect(other)->value(); 136 } 137 138 void SVGRect::calculateAnimatedValue(SVGAnimationElement* animationElement, float percentage, unsigned repeatCount, PassRefPtr<SVGPropertyBase> fromValue, PassRefPtr<SVGPropertyBase> toValue, PassRefPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement*) 139 { 140 ASSERT(animationElement); 141 RefPtr<SVGRect> fromRect = animationElement->animationMode() == ToAnimation ? this : toSVGRect(fromValue); 142 RefPtr<SVGRect> toRect = toSVGRect(toValue); 143 RefPtr<SVGRect> toAtEndOfDurationRect = toSVGRect(toAtEndOfDurationValue); 144 145 float animatedX = x(); 146 float animatedY = y(); 147 float animatedWidth = width(); 148 float animatedHeight = height(); 149 animationElement->animateAdditiveNumber(percentage, repeatCount, fromRect->x(), toRect->x(), toAtEndOfDurationRect->x(), animatedX); 150 animationElement->animateAdditiveNumber(percentage, repeatCount, fromRect->y(), toRect->y(), toAtEndOfDurationRect->y(), animatedY); 151 animationElement->animateAdditiveNumber(percentage, repeatCount, fromRect->width(), toRect->width(), toAtEndOfDurationRect->width(), animatedWidth); 152 animationElement->animateAdditiveNumber(percentage, repeatCount, fromRect->height(), toRect->height(), toAtEndOfDurationRect->height(), animatedHeight); 153 154 m_value = FloatRect(animatedX, animatedY, animatedWidth, animatedHeight); 155 } 156 157 float SVGRect::calculateDistance(PassRefPtr<SVGPropertyBase> to, SVGElement* contextElement) 158 { 159 // FIXME: Distance calculation is not possible for SVGRect right now. We need the distance for every single value. 160 return -1; 161 } 162 163 void SVGRect::setInvalid() 164 { 165 m_value = FloatRect(0.0f, 0.0f, 0.0f, 0.0f); 166 m_isValid = false; 167 } 168 169 } 170
