15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) Research In Motion Limited 2011. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/svg/SVGAnimatedColor.h" 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2453e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/RenderObject.h" 2553e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/svg/ColorDistance.h" 2653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/svg/SVGAnimateElement.h" 2753e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/svg/SVGColor.h" 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace WebCore { 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)SVGAnimatedColorAnimator::SVGAnimatedColorAnimator(SVGAnimationElement* animationElement, SVGElement* contextElement) 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : SVGAnimatedTypeAnimator(AnimatedColor, animationElement, contextElement) 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)PassOwnPtr<SVGAnimatedType> SVGAnimatedColorAnimator::constructFromString(const String& string) 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) OwnPtr<SVGAnimatedType> animtedType = SVGAnimatedType::createColor(new Color); 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) animtedType->color() = string.isEmpty() ? Color() : SVGColor::colorFromRGBColorString(string); 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return animtedType.release(); 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void SVGAnimatedColorAnimator::addAnimatedTypes(SVGAnimatedType* from, SVGAnimatedType* to) 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(from->type() == AnimatedColor); 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(from->type() == to->type()); 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) to->color() = ColorDistance::addColors(from->color(), to->color()); 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)static inline void adjustForCurrentColor(SVGElement* targetElement, Color& color) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(targetElement); 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (RenderObject* targetRenderer = targetElement->renderer()) 558abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) color = targetRenderer->style()->visitedDependentColor(CSSPropertyColor); 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) else 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) color = Color(); 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)static Color parseColorFromString(SVGAnimationElement*, const String& string) 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return SVGColor::colorFromRGBColorString(string); 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void SVGAnimatedColorAnimator::calculateAnimatedValue(float percentage, unsigned repeatCount, SVGAnimatedType* from, SVGAnimatedType* to, SVGAnimatedType* toAtEndOfDuration, SVGAnimatedType* animated) 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(m_animationElement); 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(m_contextElement); 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Color fromColor = m_animationElement->animationMode() == ToAnimation ? animated->color() : from->color(); 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Color toColor = to->color(); 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const Color& toAtEndOfDurationColor = toAtEndOfDuration->color(); 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Color& animatedColor = animated->color(); 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Apply CSS inheritance rules. 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_animationElement->adjustForInheritance<Color>(parseColorFromString, m_animationElement->fromPropertyValueType(), fromColor, m_contextElement); 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_animationElement->adjustForInheritance<Color>(parseColorFromString, m_animationElement->toPropertyValueType(), toColor, m_contextElement); 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Apply <animateColor> rules. 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (m_animationElement->fromPropertyValueType() == CurrentColorValue) 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) adjustForCurrentColor(m_contextElement, fromColor); 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (m_animationElement->toPropertyValueType() == CurrentColorValue) 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) adjustForCurrentColor(m_contextElement, toColor); 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) float animatedRed = animatedColor.red(); 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_animationElement->animateAdditiveNumber(percentage, repeatCount, fromColor.red(), toColor.red(), toAtEndOfDurationColor.red(), animatedRed); 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) float animatedGreen = animatedColor.green(); 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_animationElement->animateAdditiveNumber(percentage, repeatCount, fromColor.green(), toColor.green(), toAtEndOfDurationColor.green(), animatedGreen); 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) float animatedBlue = animatedColor.blue(); 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_animationElement->animateAdditiveNumber(percentage, repeatCount, fromColor.blue(), toColor.blue(), toAtEndOfDurationColor.blue(), animatedBlue); 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) float animatedAlpha = animatedColor.alpha(); 955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_animationElement->animateAdditiveNumber(percentage, repeatCount, fromColor.alpha(), toColor.alpha(), toAtEndOfDurationColor.alpha(), animatedAlpha); 965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) animatedColor = ColorDistance::clampColor(static_cast<int>(roundf(animatedRed)), static_cast<int>(roundf(animatedGreen)), static_cast<int>(roundf(animatedBlue)), static_cast<int>(roundf(animatedAlpha))); 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)float SVGAnimatedColorAnimator::calculateDistance(const String& fromString, const String& toString) 1015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(m_contextElement); 1038abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) Color from = SVGColor::colorFromRGBColorString(fromString); 1048abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) if (!from.isValid()) 1055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return -1; 1068abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) Color to = SVGColor::colorFromRGBColorString(toString); 1078abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) if (!to.isValid()) 1085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return -1; 1095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return ColorDistance(from, to).distance(); 1105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 113