WebTransformationMatrix WebTransformOperations::blend(const WebTransformOperations& from, double progress) const
{
WebTransformationMatrix toReturn;
bool fromIdentity = from.isIdentity();
bool toIdentity = isIdentity();
if (fromIdentity && toIdentity)
return toReturn;
if (matchesTypes(from)) {
size_t numOperations = max(fromIdentity ? 0 : from.m_private->operations.size(),
toIdentity ? 0 : m_private->operations.size());
for (size_t i = 0; i < numOperations; ++i) {
WebTransformationMatrix blended = blendTransformOperations(
fromIdentity ? 0 : &from.m_private->operations[i],
toIdentity ? 0 : &m_private->operations[i],
progress);
toReturn.multiply(blended);
}
} else {
toReturn = apply();
WebTransformationMatrix fromTransform = from.apply();
toReturn.blend(fromTransform, progress);
}
return toReturn;
}
WebTransformationMatrix WebTransformOperations::apply() const
{
WebTransformationMatrix toReturn;
for (size_t i = 0; i < m_private->operations.size(); ++i)
toReturn.multiply(m_private->operations[i].matrix);
return toReturn;
}
WebTransformationMatrix WebTransformationMatrix::operator*(const WebTransformationMatrix& t) const
{
WebTransformationMatrix result = *this;
result.multiply(t);
return result;
}