Path SVGAnimateMotionElement::animationPath()
{
for (Node* child = firstChild(); child; child->nextSibling()) {
if (child->hasTagName(SVGNames::mpathTag)) {
SVGMPathElement* mPath = static_cast<SVGMPathElement*>(child);
SVGPathElement* pathElement = mPath->pathElement();
if (pathElement)
return pathElement->toPathData();
// The spec would probably have us throw up an error here, but instead we try to fall back to the d value
}
}
if (hasAttribute(SVGNames::dAttr))
return m_path;
return Path();
}
Path SVGAnimateMotionElement::animationPath() const
{
for (Node* child = firstChild(); child; child = child->nextSibling()) {
if (child->hasTagName(SVGNames::mpathTag)) {
SVGMPathElement* mPath = static_cast<SVGMPathElement*>(child);
SVGPathElement* pathElement = mPath->pathElement();
Path path;
if (pathElement)
pathElement->toPathData(path);
return path;
}
}
if (hasAttribute(SVGNames::pathAttr))
return m_path;
return Path();
}
void
SVGAnimateMotionElement::animationTraverse(svgl::AnimationInfo* animinfo)
{
_elementToAnimate = animinfo->element;
_translateToAnimate = 0;
SVGTransformable* toAnimate = dynamic_cast<SVGTransformable*>(_elementToAnimate);
if(!toAnimate) {
std::cerr << "element refered by 'animateMotion' is not a SVGTransformable" << __FL__;
return;
}
Attribute< SVGAnimatedTransformList >& transform = toAnimate->transform;
{
std::vector <float> v;
v.push_back(0);
v.push_back(0);
_translateToAnimate = new SVGTranslateTransform(v);
}
MYGET_ANIMATED_VAL(transform).insertItemBefore(_translateToAnimate, 0);
_doBezierAnim=false;
_doRotateAnim = rotate_no;
_rotateToAnimate=0;
const SVGNumberList& keytimes = GET_SIMPLE_VAL(KeyTimes);
const SVGPathSegList* pl=0;
dom::Node *n = getFirstChild();
if(n) {
SVGMPathElement* mpath = 0;
for(;n;n=n->getNextSibling()) {
mpath = dynamic_cast<SVGMPathElement*>(n);
if(mpath)
break;
}
if(mpath) {
unicode::String* href = mpath->GET_SIMPLE_VAL(Href);
if(href->getLength()) {
dom::Element* de = animinfo->externalEntityManager->get(href, getOwnerDocument());
//dom::Element* de = GET_SIMPLE_VAL(OwnerSVGElement)->getElementById(href->substring(1));
SVGPathElement* path = dynamic_cast<SVGPathElement*>(de);
if(de)
pl = &(path->GET_SIMPLE_VAL(PathSegList));
}
}
}
else
pl = &(GET_SIMPLE_VAL(Path));
if (pl && pl->numberOfItems()>=2) {
BezierPath bezier;
for(unsigned int i=0; i<pl->numberOfItems(); ++i) {
const SVGPathSeg* p = pl->getItem(i);
p->updateBezier(bezier);
}
_distanceIter = new svgl::BezierPathDistanceIterator(bezier,.1);
_bezierLength = svgl::length(bezier);
unicode::String* rotate_ptr = GET_SIMPLE_VAL(Rotate);
unicode::String& rotate = *rotate_ptr;
if (rotate_ptr && rotate.getLength()) {
static unicode::String
&auto_string = *unicode::String::internString("auto"),
&auto_reverse_string = *unicode::String::internString("auto-reverse");
float rot=0;
if(rotate==auto_string) {
_doRotateAnim=rotate_auto;
}
else if(rotate==auto_reverse_string) {
_doRotateAnim=rotate_auto_reverse;
}
else {
if (unicode::get_float(rotate, &rot)) {
_doRotateAnim=rotate_angle;
}
}
if(_doRotateAnim!=rotate_no) {
std::vector<float> v;
v.push_back(rot);
v.push_back(0);
v.push_back(0);
_rotateToAnimate = new SVGRotateTransform(v);
MYGET_ANIMATED_VAL(transform).insertItemBefore(_rotateToAnimate, 1);
}
}
_doBezierAnim = true;
}
else {
const SVGLengthList& values = GET_SIMPLE_VAL(Values);
unsigned int valuesSize = values.numberOfItems();
if(valuesSize) {
if(valuesSize % 2) {
std::cerr << "'values' for 'animateMotion' must be a list of pair of length" << __FL__;
return;
}
if(keytimes.numberOfItems()) {
if(keytimes.numberOfItems()!=values.numberOfItems()) {
std::cerr << "'keyTimes' and 'values' have different size" << __FL__;
return;
}
for(unsigned int i=0;
i<values.numberOfItems();
++++i) {
SVGLength l = values.getItem(i);
float v1 = l.computeValue();
l = values.getItem(i+1);
float v2 = l.computeValue();
//_keyFrames.push_back(KeyFrame(KeyFrame::ValueType<float,float>(v1,v2), keytimes.getItem(i).getValue().getValue()));
_keyFrames.push_back(KeyFrame(KeyFrame::ValueType(v1,v2), keytimes.getItem(i).GET_SIMPLE_VAL(Value)));
}
}
else {
unsigned int num = values.numberOfItems();
float t=0;
float dt=1./((num>>1)-1);
for(unsigned int i=0;
i<num;
++++i) {
SVGLength l = values.getItem(i);
float v1 = l.computeValue();
l = values.getItem(i+1);
float v2 = l.computeValue();
_keyFrames.push_back(KeyFrame(KeyFrame::ValueType(v1,v2), t));
t+=dt;
}
}
}
else {
unicode::String* fromstr = GET_SIMPLE_VAL(From);
unicode::String* tostr = GET_SIMPLE_VAL(To);
unicode::String* bystr = GET_SIMPLE_VAL(By);
//std::cerr << DBGVAR(attrName) << DBGVAR(attrType) << DBGVAR(fromstr) << DBGVAR(tostr) << __FL__;
SVGList<SVGLength> from, to, by;
bool fromb=false, tob=false, byb=false;
svgl::read(fromstr,from);
svgl::read(tostr,to);
svgl::read(bystr,by);
fromb = (from.numberOfItems()>0);
tob = (to.numberOfItems()>0);
byb = (by.numberOfItems()>0);
// std::cerr << DBGVAR(fromb) << DBGVAR(tob) << DBGVAR(byb) << __FL__;
if( !(fromb||tob||byb) ) {
std::cerr << "'from', 'to' and 'by' are unset" << __FL__;
return;
}
if(fromb && from.numberOfItems()!=2) {
std::cerr << "'from' for 'animateMotion' must be a pair of length" << __FL__;
return;
}
if(tob && to.numberOfItems()!=2) {
std::cerr << "'to' for 'animateMotion' must be a pair of length" << __FL__;
return;
}
if(byb && by.numberOfItems()!=2) {
std::cerr << "'by' for 'animateMotion' must be a pair of length" << __FL__;
return;
}
// FIXME
// from is not computed with right dpi...
if(!fromb) {
static unicode::String
*x_string = unicode::String::internString("x"),
*y_string = unicode::String::internString("y");
svgl::AnimateAdapter* x = _elementToAnimate->getAttributeByName(x_string);
if(x==0 || !x->canBeSetAsDouble()) {
std::cerr << "attribute 'x' of the element referenced by 'animateMotion' can not be set as double" << __FL__;
return;
}
svgl::AnimateAdapter* y = _elementToAnimate->getAttributeByName(y_string);
if(y==0 || !y->canBeSetAsDouble()) {
std::cerr << "attribute 'y' of the element referenced by 'animateMotion' can not be set as double" << __FL__;
return;
}
SVGLength l;
l.newValueSpecifiedUnits(SVGLength::SVG_LENGTHTYPE_NUMBER, x->getBaseVal());
from.replaceItem(l,0);
l.newValueSpecifiedUnits(SVGLength::SVG_LENGTHTYPE_NUMBER, y->getBaseVal());
from.replaceItem(l,1);
fromb=true;
}
if(!tob) {
if(byb) {
to.replaceItem(from.getItem(0)+by.getItem(0), 0);
to.replaceItem(from.getItem(1)+by.getItem(1), 1);
}
#if 0
else {
STDDBG;
return;
}
#endif
}
if(fromb)
_keyFrames.push_back(KeyFrame( KeyFrame::ValueType(from.getItem(0).GET_SIMPLE_VAL(Value), from.getItem(1).GET_SIMPLE_VAL(Value)), 0));
_keyFrames.push_back(KeyFrame( KeyFrame::ValueType(to.getItem(0).GET_SIMPLE_VAL(Value), to.getItem(1).GET_SIMPLE_VAL(Value)), 1));
}
#if 0
STDDBG;
for(unsigned int j=0; j<_keyFrames.size(); ++j) {
std::cerr << "( <" << _keyFrames[j].value.first << "," << _keyFrames[j].value.second << ">, " << _keyFrames[j].time << ")";
}
std::cerr << std::endl;
#endif
}
