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/core/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 blink { 34 35 SVGRect::SVGRect() 36 : m_isValid(true) 37 { 38 } 39 40 SVGRect::SVGRect(InvalidSVGRectTag) 41 { 42 setInvalid(); 43 } 44 45 SVGRect::SVGRect(const FloatRect& rect) 46 : m_isValid(true) 47 , m_value(rect) 48 { 49 } 50 51 PassRefPtr<SVGRect> SVGRect::clone() const 52 { 53 return SVGRect::create(m_value); 54 } 55 56 template<typename CharType> 57 void SVGRect::parse(const CharType*& ptr, const CharType* end, ExceptionState& exceptionState) 58 { 59 const CharType* start = ptr; 60 61 skipOptionalSVGSpaces(ptr, end); 62 63 float x = 0.0f; 64 float y = 0.0f; 65 float width = 0.0f; 66 float height = 0.0f; 67 bool valid = parseNumber(ptr, end, x) && parseNumber(ptr, end, y) && parseNumber(ptr, end, width) && parseNumber(ptr, end, height, DisallowWhitespace); 68 69 if (!valid) { 70 exceptionState.throwDOMException(SyntaxError, "Problem parsing rect \"" + String(start, end - start) + "\""); 71 setInvalid(); 72 return; 73 } 74 75 skipOptionalSVGSpaces(ptr, end); 76 if (ptr < end) { // nothing should come after the last, fourth number 77 exceptionState.throwDOMException(SyntaxError, "Problem parsing rect \"" + String(start, end - start) + "\""); 78 setInvalid(); 79 return; 80 } 81 82 m_value = FloatRect(x, y, width, height); 83 m_isValid = true; 84 } 85 86 void SVGRect::setValueAsString(const String& string, ExceptionState& exceptionState) 87 { 88 if (string.isNull()) { 89 setInvalid(); 90 return; 91 } 92 if (string.isEmpty()) { 93 m_value = FloatRect(0.0f, 0.0f, 0.0f, 0.0f); 94 m_isValid = true; 95 return; 96 } 97 98 if (string.is8Bit()) { 99 const LChar* ptr = string.characters8(); 100 const LChar* end = ptr + string.length(); 101 parse(ptr, end, exceptionState); 102 return; 103 } 104 105 const UChar* ptr = string.characters16(); 106 const UChar* end = ptr + string.length(); 107 parse(ptr, end, exceptionState); 108 } 109 110 String SVGRect::valueAsString() const 111 { 112 StringBuilder builder; 113 builder.appendNumber(x()); 114 builder.append(' '); 115 builder.appendNumber(y()); 116 builder.append(' '); 117 builder.appendNumber(width()); 118 builder.append(' '); 119 builder.appendNumber(height()); 120 return builder.toString(); 121 } 122 123 void SVGRect::add(PassRefPtrWillBeRawPtr<SVGPropertyBase> other, SVGElement*) 124 { 125 m_value += toSVGRect(other)->value(); 126 } 127 128 void SVGRect::calculateAnimatedValue(SVGAnimationElement* animationElement, float percentage, unsigned repeatCount, PassRefPtr<SVGPropertyBase> fromValue, PassRefPtr<SVGPropertyBase> toValue, PassRefPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement*) 129 { 130 ASSERT(animationElement); 131 RefPtr<SVGRect> fromRect = animationElement->animationMode() == ToAnimation ? this : toSVGRect(fromValue); 132 RefPtr<SVGRect> toRect = toSVGRect(toValue); 133 RefPtr<SVGRect> toAtEndOfDurationRect = toSVGRect(toAtEndOfDurationValue); 134 135 float animatedX = x(); 136 float animatedY = y(); 137 float animatedWidth = width(); 138 float animatedHeight = height(); 139 animationElement->animateAdditiveNumber(percentage, repeatCount, fromRect->x(), toRect->x(), toAtEndOfDurationRect->x(), animatedX); 140 animationElement->animateAdditiveNumber(percentage, repeatCount, fromRect->y(), toRect->y(), toAtEndOfDurationRect->y(), animatedY); 141 animationElement->animateAdditiveNumber(percentage, repeatCount, fromRect->width(), toRect->width(), toAtEndOfDurationRect->width(), animatedWidth); 142 animationElement->animateAdditiveNumber(percentage, repeatCount, fromRect->height(), toRect->height(), toAtEndOfDurationRect->height(), animatedHeight); 143 144 m_value = FloatRect(animatedX, animatedY, animatedWidth, animatedHeight); 145 } 146 147 float SVGRect::calculateDistance(PassRefPtr<SVGPropertyBase> to, SVGElement* contextElement) 148 { 149 // FIXME: Distance calculation is not possible for SVGRect right now. We need the distance for every single value. 150 return -1; 151 } 152 153 void SVGRect::setInvalid() 154 { 155 m_value = FloatRect(0.0f, 0.0f, 0.0f, 0.0f); 156 m_isValid = false; 157 } 158 159 } 160
