/**
* @ingroup VuoTransform
* Encodes @c value as a JSON object.
*/
json_object * VuoTransform_jsonFromValue(const VuoTransform value)
{
if (VuoTransform_isIdentity(value))
return json_object_new_string("identity");
json_object *js = json_object_new_object();
{
json_object * o = json_object_new_array();
json_object_array_add(o,json_object_new_double(cook(value.translation.x)));
json_object_array_add(o,json_object_new_double(cook(value.translation.y)));
json_object_array_add(o,json_object_new_double(cook(value.translation.z)));
json_object_object_add(js, "translation", o);
}
// Don't store value.rotation, since we can calculate it from the source rotation.
if (value.type == VuoTransformTypeQuaternion)
{
json_object * o = json_object_new_array();
json_object_array_add(o,json_object_new_double(cook(value.rotationSource.quaternion.x)));
json_object_array_add(o,json_object_new_double(cook(value.rotationSource.quaternion.y)));
json_object_array_add(o,json_object_new_double(cook(value.rotationSource.quaternion.z)));
json_object_array_add(o,json_object_new_double(cook(value.rotationSource.quaternion.w)));
json_object_object_add(js, "quaternionRotation", o);
}
else if (value.type == VuoTransformTypeEuler)
{
json_object * o = json_object_new_array();
json_object_array_add(o,json_object_new_double(cook(value.rotationSource.euler.x)));
json_object_array_add(o,json_object_new_double(cook(value.rotationSource.euler.y)));
json_object_array_add(o,json_object_new_double(cook(value.rotationSource.euler.z)));
json_object_object_add(js, "eulerRotation", o);
}
else
{
json_object * o = json_object_new_array();
json_object_array_add(o,json_object_new_double(cook(value.rotationSource.target.x)));
json_object_array_add(o,json_object_new_double(cook(value.rotationSource.target.y)));
json_object_array_add(o,json_object_new_double(cook(value.rotationSource.target.z)));
json_object_object_add(js, "target", o);
o = json_object_new_array();
json_object_array_add(o,json_object_new_double(cook(value.rotationSource.upDirection.x)));
json_object_array_add(o,json_object_new_double(cook(value.rotationSource.upDirection.y)));
json_object_array_add(o,json_object_new_double(cook(value.rotationSource.upDirection.z)));
json_object_object_add(js, "upDirection", o);
}
if (value.type != VuoTransformTypeTargeted)
{
json_object * o = json_object_new_array();
json_object_array_add(o,json_object_new_double(cook(value.scale.x)));
json_object_array_add(o,json_object_new_double(cook(value.scale.y)));
json_object_array_add(o,json_object_new_double(cook(value.scale.z)));
json_object_object_add(js, "scale", o);
}
return js;
}
/**
* @ingroup VuoTransform
* Produces a brief human-readable summary of @c value.
*/
char * VuoTransform_summaryFromValue(const VuoTransform value)
{
if (VuoTransform_isIdentity(value))
return strdup("identity transform (no change)");
if (value.type == VuoTransformTypeTargeted)
return VuoText_format("position (%g, %g, %g)<br>target (%g, %g, %g)<br>up (%g, %g, %g)",
value.translation.x, value.translation.y, value.translation.z, value.rotationSource.target.x, value.rotationSource.target.y, value.rotationSource.target.z, value.rotationSource.upDirection.x, value.rotationSource.upDirection.y, value.rotationSource.upDirection.z);
char *rotation;
if (value.type == VuoTransformTypeQuaternion)
rotation = VuoText_format("(%g, %g, %g, %g) quaternion",
value.rotationSource.quaternion.x, value.rotationSource.quaternion.y, value.rotationSource.quaternion.z, value.rotationSource.quaternion.w);
else
{
VuoPoint3d r = VuoPoint3d_multiply(value.rotationSource.euler, 180./M_PI);
rotation = VuoText_format("(%g°, %g°, %g°) euler",
r.x, r.y, r.z);
}
char *valueAsString = VuoText_format("translation (%g, %g, %g)<br>rotation %s<br>scale (%g, %g, %g)",
value.translation.x, value.translation.y, value.translation.z, rotation, value.scale.x, value.scale.y, value.scale.z);
free(rotation);
return valueAsString;
}
/**
* @ingroup VuoTransform
* Produces a brief human-readable summary of @c value.
*/
char * VuoTransform_summaryFromValue(const VuoTransform value)
{
if (VuoTransform_isIdentity(value))
return strdup("identity transform (no change)");
if (value.type == VuoTransformTypeTargeted)
{
const char *format = "position (%g, %g, %g)<br>target (%g, %g, %g)<br>up (%g, %g, %g)";
int size = snprintf(NULL, 0, format, value.translation.x, value.translation.y, value.translation.z, value.rotationSource.target.x, value.rotationSource.target.y, value.rotationSource.target.z, value.rotationSource.upDirection.x, value.rotationSource.upDirection.y, value.rotationSource.upDirection.z);
char *valueAsString = (char *)malloc(size+1);
snprintf(valueAsString, size+1, format, value.translation.x, value.translation.y, value.translation.z, value.rotationSource.target.x, value.rotationSource.target.y, value.rotationSource.target.z, value.rotationSource.upDirection.x, value.rotationSource.upDirection.y, value.rotationSource.upDirection.z);
return valueAsString;
}
const char *format = "translation (%g, %g, %g)<br>rotation %s<br>scale (%g, %g, %g)";
char *rotation;
if (value.type == VuoTransformTypeQuaternion)
{
const char *format = "(%g, %g, %g, %g) quaternion";
int size = snprintf(NULL, 0, format, value.rotationSource.quaternion.x, value.rotationSource.quaternion.y, value.rotationSource.quaternion.z, value.rotationSource.quaternion.w);
rotation = (char *)malloc(size+1);
snprintf(rotation, size+1, format, value.rotationSource.quaternion.x, value.rotationSource.quaternion.y, value.rotationSource.quaternion.z, value.rotationSource.quaternion.w);
}
else
{
const char *format = "(%g°, %g°, %g°) euler";
VuoPoint3d r = VuoPoint3d_multiply(value.rotationSource.euler, 180./M_PI);
int size = snprintf(NULL, 0, format, r.x, r.y, r.z);
rotation = (char *)malloc(size+1);
snprintf(rotation, size+1, format, r.x, r.y, r.z);
}
int size = snprintf(NULL, 0, format, value.translation.x, value.translation.y, value.translation.z, rotation, value.scale.x, value.scale.y, value.scale.z);
char * valueAsString = (char *)malloc(size+1);
snprintf(valueAsString, size+1, format, value.translation.x, value.translation.y, value.translation.z, rotation, value.scale.x, value.scale.y, value.scale.z);
free(rotation);
return valueAsString;
}
