tahoma2d/toonz/sources/stdfx/iwa_motionflowfx.cpp

150 lines
5 KiB
C++

#include "iwa_motionflowfx.h"
#include "tfxattributes.h"
#include "toonz/tstageobject.h"
#include "trop.h"
namespace {
double getSizePixelAmount(const double val, const TAffine affine) {
/*--- Convert to vector --- */
TPointD vect;
vect.x = val;
vect.y = 0.0;
/*--- Apply geometrical transformation ---*/
// For the following lines I referred to lines 586-592 of
// sources/stdfx/motionblurfx.cpp
TAffine aff(affine);
aff.a13 = aff.a23 = 0; /* ignore translation */
vect = aff * vect;
/*--- return the length of the vector ---*/
return std::sqrt(vect.x * vect.x + vect.y * vect.y);
}
} // namespace
//------------------------------------------------------------
Iwa_MotionFlowFx::Iwa_MotionFlowFx()
: m_normalizeType(new TIntEnumParam(NORMALIZE_AUTO, "Auto"))
, m_normalizeRange(1.0) {
bindParam(this, "shutterLength", m_shutterLength);
bindParam(this, "motionObjectType", m_motionObjectType);
bindParam(this, "motionObjectIndex", m_motionObjectIndex);
bindParam(this, "normalizeType", m_normalizeType);
bindParam(this, "normalizeRange", m_normalizeRange);
m_normalizeType->addItem(NORMALIZE_MANUAL, "Manual");
m_normalizeRange->setMeasureName("fxLength");
m_normalizeRange->setValueRange(0.01, 1000.0);
getAttributes()->setIsSpeedAware(true);
}
//------------------------------------------------------------
void Iwa_MotionFlowFx::doCompute(TTile& tile, double frame,
const TRenderSettings& settings) {
/* Get parameters */
TAffine aff_Before, aff_After;
getAttributes()->getMotionAffines(aff_Before, aff_After);
TDimensionI dimOut(tile.getRaster()->getLx(), tile.getRaster()->getLy());
/* output */
TRasterGR8P out_ras(sizeof(double3) * dimOut.lx * dimOut.ly, 1);
out_ras->lock();
double3* out_ras_p = (double3*)out_ras->getRawData();
double3* out_p = out_ras_p;
double norm_range = 0.0;
for (int y = 0; y < dimOut.ly; y++) {
for (int x = 0; x < dimOut.lx; x++, out_p++) {
TPointD pos = TPointD((double)x, (double)y) + tile.m_pos;
TPointD vec = pos - (aff_Before * aff_After.inv() * pos);
out_p->z = std::sqrt(vec.x * vec.x + vec.y * vec.y);
if (out_p->z > 0.0) {
out_p->x = vec.x / out_p->z;
out_p->y = vec.y / out_p->z;
norm_range = std::max(norm_range, out_p->z);
} else {
out_p->x = 0.0;
out_p->y = 0.0;
}
}
}
if (m_normalizeType->getValue() == NORMALIZE_MANUAL)
norm_range = getSizePixelAmount(m_normalizeRange->getValue(frame),
settings.m_affine);
tile.getRaster()->clear();
TRaster32P outRas32 = (TRaster32P)tile.getRaster();
TRaster64P outRas64 = (TRaster64P)tile.getRaster();
if (outRas32)
setOutRas<TRaster32P, TPixel32>(outRas32, out_ras_p, norm_range);
else if (outRas64)
setOutRas<TRaster64P, TPixel64>(outRas64, out_ras_p, norm_range);
out_ras->unlock();
}
//------------------------------------------------------------
template <typename RASTER, typename PIXEL>
void Iwa_MotionFlowFx::setOutRas(RASTER ras, double3* outBuf,
double norm_range) {
double3* buf_p = outBuf;
for (int j = 0; j < ras->getLy(); j++) {
PIXEL* pix = ras->pixels(j);
for (int i = 0; i < ras->getLx(); i++, pix++, buf_p++) {
double val = 0.5 + buf_p->x * 0.5;
pix->r = (typename PIXEL::Channel)(val * double(PIXEL::maxChannelValue));
val = 0.5 + buf_p->y * 0.5;
pix->g = (typename PIXEL::Channel)(val * double(PIXEL::maxChannelValue));
val = std::min(1.0, buf_p->z / norm_range);
pix->b = (typename PIXEL::Channel)(val * double(PIXEL::maxChannelValue));
pix->m = PIXEL::maxChannelValue;
}
}
}
//------------------------------------------------------------
bool Iwa_MotionFlowFx::doGetBBox(double frame, TRectD& bBox,
const TRenderSettings& info) {
bBox = TConsts::infiniteRectD;
return true;
}
//------------------------------------------------------------
bool Iwa_MotionFlowFx::canHandle(const TRenderSettings& info, double frame) {
return true;
}
/*------------------------------------------------------------
Since there is a possibility that the reference object is moving,
Change the alias every frame
------------------------------------------------------------*/
std::string Iwa_MotionFlowFx::getAlias(double frame,
const TRenderSettings& info) const {
std::string alias = getFxType();
alias += "[";
// alias of the effects related to the input ports separated by commas
// a port that is not connected to an alias blank (empty string)
std::string paramalias("");
for (int i = 0; i < getParams()->getParamCount(); i++) {
TParam* param = getParams()->getParam(i);
paramalias += param->getName() + "=" + param->getValueAlias(frame, 3);
}
unsigned long id = getIdentifier();
return alias + std::to_string(frame) + "," + std::to_string(id) + paramalias +
"]";
}
FX_PLUGIN_IDENTIFIER(Iwa_MotionFlowFx, "iwa_MotionFlowFx")