/**
 * Sets a specific value in the SPFeFuncNode.
 */
static void
sp_fefuncnode_set(SPObject *object, unsigned int key, gchar const *value)
{
    SPFeFuncNode *feFuncNode = SP_FEFUNCNODE(object);
    Inkscape::Filters::FilterComponentTransferType type;
    double read_num;
    switch(key) {
    case SP_ATTR_TYPE:
        type = sp_feComponenttransfer_read_type(value);
        if(type != feFuncNode->type) {
            feFuncNode->type = type;
            object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
        }
        break;
    case SP_ATTR_TABLEVALUES:
        if (value) {
            feFuncNode->tableValues = helperfns_read_vector(value);
            object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
        }
        break;
    case SP_ATTR_SLOPE:
        read_num = value ? helperfns_read_number(value) : 1;
        if (read_num != feFuncNode->slope) {
            feFuncNode->slope = read_num;
            object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
        }
        break;
    case SP_ATTR_INTERCEPT:
        read_num = value ? helperfns_read_number(value) : 0;
        if (read_num != feFuncNode->intercept) {
            feFuncNode->intercept = read_num;
            object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
        }
        break;
    case SP_ATTR_AMPLITUDE:
        read_num = value ? helperfns_read_number(value) : 1;
        if (read_num != feFuncNode->amplitude) {
            feFuncNode->amplitude = read_num;
            object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
        }
        break;
    case SP_ATTR_EXPONENT:
        read_num = value ? helperfns_read_number(value) : 1;
        if (read_num != feFuncNode->exponent) {
            feFuncNode->exponent = read_num;
            object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
        }
        break;
    case SP_ATTR_OFFSET:
        read_num = value ? helperfns_read_number(value) : 0;
        if (read_num != feFuncNode->offset) {
            feFuncNode->offset = read_num;
            object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
        }
        break;
    default:
        if (((SPObjectClass *) feFuncNode_parent_class)->set)
            ((SPObjectClass *) feFuncNode_parent_class)->set(object, key, value);
        break;
    }
}
/**
 * Sets a specific value in the SPFeFuncNode.
 */
void SPFeFuncNode::set(unsigned int key, gchar const *value) {
    Inkscape::Filters::FilterComponentTransferType type;
    double read_num;

    switch(key) {
        case SP_ATTR_TYPE:
            type = sp_feComponenttransfer_read_type(value);

            if(type != this->type) {
                this->type = type;
                this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
            }
            break;
        case SP_ATTR_TABLEVALUES:
            if (value){
                this->tableValues = helperfns_read_vector(value);
                this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
            }
            break;
        case SP_ATTR_SLOPE:
            read_num = value ? helperfns_read_number(value) : 1;

            if (read_num != this->slope) {
                this->slope = read_num;
                this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
            }
            break;
        case SP_ATTR_INTERCEPT:
            read_num = value ? helperfns_read_number(value) : 0;

            if (read_num != this->intercept) {
                this->intercept = read_num;
                this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
            }
            break;
        case SP_ATTR_AMPLITUDE:
            read_num = value ? helperfns_read_number(value) : 1;

            if (read_num != this->amplitude) {
                this->amplitude = read_num;
                this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
            }
            break;
        case SP_ATTR_EXPONENT:
            read_num = value ? helperfns_read_number(value) : 1;

            if (read_num != this->exponent) {
                this->exponent = read_num;
                this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
            }
            break;
        case SP_ATTR_OFFSET:
            read_num = value ? helperfns_read_number(value) : 0;

            if (read_num != this->offset) {
                this->offset = read_num;
                this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
            }
            break;
        default:
        	SPObject::set(key, value);
            break;
    }
}