1038 lines
No EOL
37 KiB
C++
1038 lines
No EOL
37 KiB
C++
#include "iwa_glarefx.h"
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#include "trop.h"
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#include "tdoubleparam.h"
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#include "trasterfx.h"
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#include "trasterimage.h"
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#include "tparamuiconcept.h"
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#include "kiss_fft.h"
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#include "iwa_cie_d65.h"
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#include "iwa_xyz.h"
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#include "iwa_simplexnoise.h"
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#include <random>
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#include <QPair>
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#include <QVector>
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#include <QReadWriteLock>
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#include <QMutexLocker>
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#include <QMap>
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#include <QImage>
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#include <QPainter>
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namespace {
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// FFT coordinate -> Normal corrdinate
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inline int getCoord(int i, int j, int lx, int ly) {
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int cx = i - lx / 2;
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int cy = j - ly / 2;
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if (cx < 0) cx += lx;
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if (cy < 0) cy += ly;
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return cy * lx + cx;
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}
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}; // namespace
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//--------------------------------------------
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// Iwa_GlareFx
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//--------------------------------------------
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Iwa_GlareFx::Iwa_GlareFx()
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: m_renderMode(
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new TIntEnumParam(RenderMode_FilterPreview, "Filter Preview"))
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, m_irisMode(new TIntEnumParam(Iris_InputImage, "Input Image"))
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, m_irisScale(0.2)
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, m_irisGearEdgeCount(10)
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, m_irisRandomSeed(0)
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, m_irisSymmetry(1.0)
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, m_irisAppearance(new TIntEnumParam())
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, m_intensity(0.0)
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, m_size(100.0)
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, m_rotation(0.0)
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, m_aberration(1.0)
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, m_noise_factor(0.0)
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, m_noise_size(0.5)
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, m_noise_octave(new TIntEnumParam(1, "1"))
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, m_noise_evolution(0.0)
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, m_noise_offset(TPointD(0, 0)) {
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// Version 1 : lights had been constantly summed in all wavelength
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// Version 2 : intensities are weighted proportional to 1/(rambda^2)
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// Version 3 : * 1/2.2 gamma to intensity when non-linear rendering
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// Source image is separated in each RGB channels
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// Filter is normalized with sum of green channel values
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setFxVersion(3);
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// Bind the common parameters
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addInputPort("Source", m_source);
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addInputPort("Iris", m_iris);
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bindParam(this, "renderMode", m_renderMode);
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m_renderMode->addItem(RenderMode_Render, "Render");
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m_renderMode->addItem(RenderMode_Iris, "Iris");
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bindParam(this, "irisMode", m_irisMode);
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m_irisMode->addItem(Iris_Square, "4 Streaks");
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m_irisMode->addItem(Iris_Hexagon, "6 Streaks");
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m_irisMode->addItem(Iris_Octagon, "8 Streaks");
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m_irisMode->addItem(Iris_GearShape, "Multiple Streaks");
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bindParam(this, "irisScale", m_irisScale);
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bindParam(this, "irisGearEdgeCount", m_irisGearEdgeCount);
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bindParam(this, "irisRandomSeed", m_irisRandomSeed);
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bindParam(this, "irisSymmetry", m_irisSymmetry);
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bindParam(this, "irisAppearance", m_irisAppearance);
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m_irisAppearance->addItem(Appearance_ThinLine, "Thin Line");
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m_irisAppearance->addItem(Appearance_MediumLine, "Medium Line");
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m_irisAppearance->addItem(Appearance_ThickLine, "Thick Line");
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m_irisAppearance->addItem(Appearance_Fill, "Filled");
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m_irisAppearance->setValue(Appearance_MediumLine);
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bindParam(this, "intensity", m_intensity, false);
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bindParam(this, "size", m_size, false);
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m_size->setMeasureName("fxLength");
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bindParam(this, "rotation", m_rotation, false);
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bindParam(this, "aberration", m_aberration, false);
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bindParam(this, "noise_factor", m_noise_factor, false);
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bindParam(this, "noise_size", m_noise_size, false);
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bindParam(this, "noise_octave", m_noise_octave, false);
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m_noise_octave->addItem(2, "2");
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m_noise_octave->addItem(3, "3");
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bindParam(this, "noise_evolution", m_noise_evolution, false);
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bindParam(this, "noise_offset", m_noise_offset, false);
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m_noise_offset->getX()->setMeasureName("fxLength");
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m_noise_offset->getY()->setMeasureName("fxLength");
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m_irisScale->setValueRange(0.1, 0.8);
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m_irisGearEdgeCount->setValueRange(3, 50);
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m_irisSymmetry->setValueRange(0.1, 1.0);
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m_irisRandomSeed->setValueRange(0, (std::numeric_limits<int>::max)());
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m_intensity->setValueRange(-5.0, 5.0);
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m_size->setValueRange(10.0, 1500.0);
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m_rotation->setValueRange(-1800, 1800);
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m_aberration->setValueRange(-2.0, 2.0);
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m_noise_factor->setValueRange(0.0, 1.0);
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m_noise_size->setValueRange(0.01, 3.0);
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enableComputeInFloat(true);
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}
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//--------------------------------------------------------------
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double Iwa_GlareFx::getSizePixelAmount(const double val, const TAffine affine) {
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/*--- Convert to vector --- */
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TPointD vect;
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vect.x = val;
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vect.y = 0.0;
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/*--- Apply geometrical transformation ---*/
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// For the following lines I referred to lines 586-592 of
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// sources/stdfx/motionblurfx.cpp
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TAffine aff(affine);
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aff.a13 = aff.a23 = 0; /* ignore translation */
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vect = aff * vect;
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/*--- return the length of the vector ---*/
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return sqrt(vect.x * vect.x + vect.y * vect.y);
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}
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//--------------------------------------------------------------
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void Iwa_GlareFx::drawPresetIris(TRaster32P irisRas, double irisSize,
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const double frame) {
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QImage img(irisRas->getLx(), irisRas->getLy(),
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QImage::Format_ARGB32_Premultiplied);
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img.fill(Qt::black);
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QPainter painter(&img);
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painter.setRenderHint(QPainter::Antialiasing, true);
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painter.translate(
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QPointF((float)irisRas->getLx() / 2.0, (float)irisRas->getLy() / 2.0));
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painter.scale(irisSize, irisSize);
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// shrink a bit
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painter.scale(0.9, 0.9);
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QPen pen(Qt::white);
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double lineWidthRatio;
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int appearance = m_irisAppearance->getValue();
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if (appearance == Appearance_Fill) {
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painter.setPen(Qt::NoPen);
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painter.setBrush(Qt::white);
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} else {
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assert(appearance >= 0 && appearance <= 2);
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pen.setCapStyle(Qt::RoundCap);
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pen.setJoinStyle(Qt::MiterJoin);
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double ratio[3] = {0.05, 0.1, 0.2};
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lineWidthRatio = ratio[appearance];
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pen.setWidthF(lineWidthRatio);
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painter.setPen(pen);
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painter.setBrush(Qt::NoBrush);
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}
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double symmetry = m_irisSymmetry->getValue(frame);
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switch (m_irisMode->getValue()) {
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case Iris_Square:
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painter.scale(1.0, symmetry);
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painter.drawRect(QRectF(-1.0, -1.0, 2.0, 2.0));
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break;
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case Iris_Hexagon: {
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QPointF p(1.0 - 0.5 * symmetry, symmetry * std::sqrt(3) * 0.5);
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const QPointF points[6] = {-p, QPointF(-1.0, 0.0), QPointF(-p.x(), p.y()),
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p, QPointF(1.0, 0.0), QPointF(p.x(), -p.y())};
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if (appearance != Appearance_Fill) {
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if (symmetry < 1.0) {
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painter.drawPolyline(points, 3);
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painter.drawPolyline(&points[3], 3);
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}
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pen.setWidthF(lineWidthRatio * symmetry);
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painter.setPen(pen);
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}
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painter.drawPolygon(points, 6);
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if (appearance != Appearance_Fill && symmetry < 1.0) {
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pen.setColor(Qt::black);
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painter.setPen(pen);
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painter.setBrush(Qt::NoBrush);
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painter.drawRect(
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QRectF(-1.2, -p.y() - symmetry, 2.4, (p.y() + symmetry) * 2.0));
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}
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} break;
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case Iris_Octagon: {
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double u = (2 + std::sqrt(2) * (1 - symmetry)) / (2 * std::sqrt(2) + 2);
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double v = (2 + std::sqrt(2) * (1 + symmetry)) / (2 * std::sqrt(2) + 2);
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const QPointF points[8] = {QPointF(u, v), QPointF(v, u), QPointF(v, -u),
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QPointF(u, -v), QPointF(-u, -v), QPointF(-v, -u),
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QPointF(-v, u), QPointF(-u, v)};
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if (appearance != Appearance_Fill) {
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if (symmetry < 1.0) {
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painter.drawLine(points[0], points[1]);
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painter.drawLine(points[2], points[3]);
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painter.drawLine(points[4], points[5]);
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painter.drawLine(points[6], points[7]);
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}
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pen.setWidthF(lineWidthRatio * symmetry);
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painter.setPen(pen);
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}
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painter.drawPolygon(points, 8);
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if (appearance != Appearance_Fill && symmetry < 1.0) {
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pen.setColor(Qt::black);
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painter.setPen(pen);
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painter.setBrush(Qt::NoBrush);
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painter.drawRect(QRectF(-v - symmetry, -v - symmetry,
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(v + symmetry) * 2.0, (v + symmetry) * 2.0));
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}
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} break;
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case Iris_GearShape: {
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int edgeCount = (int)std::round(m_irisGearEdgeCount->getValue(frame));
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QPointF* points = new QPointF[edgeCount * 2];
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QList<double> thickness;
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double angleUnit = M_PI / (double)edgeCount;
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std::mt19937_64 mt;
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mt.seed(m_irisRandomSeed->getValue());
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std::uniform_real_distribution<> random_plusminus1(-1.0, 1.0);
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std::uniform_real_distribution<> random_thickness(symmetry * lineWidthRatio,
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lineWidthRatio);
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for (int e = 0; e < edgeCount; e++) {
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double baseAngle = angleUnit * e * 2.0;
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double theta =
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baseAngle + random_plusminus1(mt) * angleUnit * (1.0 - symmetry);
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points[e * 2] = QPointF(std::cos(theta), std::sin(theta));
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thickness.append(random_thickness(mt));
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baseAngle += angleUnit;
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theta = baseAngle + random_plusminus1(mt) * angleUnit * (1.0 - symmetry);
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points[e * 2 + 1] = QPointF(0.5 * std::cos(theta), 0.5 * std::sin(theta));
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thickness.append(random_thickness(mt));
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}
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if (appearance != Appearance_Fill) {
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for (int v = 0; v < edgeCount * 2; v++) {
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int next_v = (v == edgeCount * 2 - 1) ? 0 : v + 1;
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pen.setWidthF(thickness.at(v));
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painter.setPen(pen);
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painter.drawLine(points[v], points[next_v]);
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}
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} else {
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painter.drawPolygon(points, edgeCount * 2);
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}
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delete[] points;
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} break;
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default:
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break;
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}
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for (int j = 0; j < img.height(); j++) {
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TPixel32* pix = irisRas->pixels(j);
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QRgb* img_p = (QRgb*)img.scanLine(img.height() - j - 1);
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for (int i = 0; i < img.width(); i++, img_p++, pix++) {
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pix->r = (unsigned char)(qRed(*img_p));
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pix->g = (unsigned char)(qGreen(*img_p));
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pix->b = (unsigned char)(qBlue(*img_p));
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pix->m = (unsigned char)(qAlpha(*img_p));
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}
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}
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}
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//--------------------------------------------------------------
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void Iwa_GlareFx::doCompute(TTile& tile, double frame,
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const TRenderSettings& settings) {
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int irisMode = m_irisMode->getValue();
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// If the iris is not connected, then do nothing
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if (irisMode == Iris_InputImage && !m_iris.isConnected()) {
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tile.getRaster()->clear();
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return;
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}
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int renderMode = m_renderMode->getValue();
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// If the source is not connected & it is render mode, then do nothing.
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if (!m_source.isConnected() && renderMode == RenderMode_Render) {
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tile.getRaster()->clear();
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return;
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}
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// Get the original size of Iris image
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TRectD irisBBox;
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TTile irisTile;
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TRasterP irisRas;
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double size = getSizePixelAmount(m_size->getValue(frame), settings.m_affine);
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if (irisMode == Iris_InputImage) {
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m_iris->getBBox(frame, irisBBox, settings);
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// Compute the iris tile.
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m_iris->allocateAndCompute(
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irisTile, irisBBox.getP00(),
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TDimension(static_cast<int>(irisBBox.getLx() + 0.5),
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static_cast<int>(irisBBox.getLy() + 0.5)),
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tile.getRaster(), frame, settings);
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irisRas = irisTile.getRaster();
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} else {
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// obtain iris bbox based on the glare pattern size
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double irisSize = size * m_irisScale->getValue(frame);
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irisBBox = TRectD(-irisSize, -irisSize, irisSize, irisSize);
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int dimIrisRas = int(std::ceil(irisSize) * 2.0);
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irisRas = TRaster32P(dimIrisRas, dimIrisRas);
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drawPresetIris(irisRas, irisSize, frame);
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}
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if (renderMode == RenderMode_Iris) {
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TTranslation aff(
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(double)(tile.getRaster()->getLx() - irisRas->getLx()) * 0.5,
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(double)(tile.getRaster()->getLy() - irisRas->getLy()) * 0.5);
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TRop::quickPut(tile.getRaster(), irisRas, aff);
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return;
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}
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int dimIris = int(std::ceil(size) * 2.0);
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dimIris = kiss_fft_next_fast_size(dimIris);
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while ((tile.getRaster()->getSize().lx - dimIris) % 2 != 0)
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dimIris = kiss_fft_next_fast_size(dimIris + 1);
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double irisResizeFactor = double(dimIris) * 0.5 / size;
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bool isLinear = tile.getRaster()->isLinear();
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kiss_fft_cpx* kissfft_comp_iris;
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// create the iris data for FFT (in the same size as the source tile)
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TRasterGR8P kissfft_comp_iris_ras(dimIris * sizeof(kiss_fft_cpx), dimIris);
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kissfft_comp_iris_ras->lock();
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kissfft_comp_iris = (kiss_fft_cpx*)kissfft_comp_iris_ras->getRawData();
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{
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// Create the Iris image for FFT
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kiss_fft_cpx* kissfft_comp_iris_before;
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TRasterGR8P kissfft_comp_iris_before_ras(dimIris * sizeof(kiss_fft_cpx),
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dimIris);
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kissfft_comp_iris_before_ras->lock();
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kissfft_comp_iris_before =
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(kiss_fft_cpx*)kissfft_comp_iris_before_ras->getRawData();
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convertIris(kissfft_comp_iris_before, dimIris, irisBBox, irisRas);
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// Create the FFT plan for the iris image.
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kiss_fftnd_cfg iris_kissfft_plan;
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while (1) {
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int dims[2] = {dimIris, dimIris};
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int ndims = 2;
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iris_kissfft_plan = kiss_fftnd_alloc(dims, ndims, false, 0, 0);
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if (iris_kissfft_plan != NULL) break;
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}
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// Do FFT the iris image.
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kiss_fftnd(iris_kissfft_plan, kissfft_comp_iris_before, kissfft_comp_iris);
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kiss_fft_free(iris_kissfft_plan);
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kissfft_comp_iris_before_ras->unlock();
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}
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double3* glare_pattern;
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TRasterGR8P glare_pattern_ras(dimIris * sizeof(double3), dimIris);
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glare_pattern = (double3*)glare_pattern_ras->getRawData();
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glare_pattern_ras->lock();
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// Resize the power spectrum according to each wavelength and combine into the
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// glare pattern
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double intensity = m_intensity->getValue(frame);
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powerSpectrum2GlarePattern(frame, settings.m_affine, kissfft_comp_iris,
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glare_pattern, dimIris, intensity,
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irisResizeFactor);
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kissfft_comp_iris_ras->unlock();
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// clear the raster memory
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tile.getRaster()->clear();
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TRaster32P ras32 = tile.getRaster();
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TRaster64P ras64 = tile.getRaster();
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TRasterFP rasF = tile.getRaster();
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// if (ras32)
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// ras32->fill(TPixel32::Transparent);
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// else if (ras64)
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// ras64->fill(TPixel64::Transparent);
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// else if (rasF)
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// rasF->fill(TPixelF::Transparent);
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// filter preview mode
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if (renderMode == RenderMode_FilterPreview) {
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int2 margin = {(dimIris - tile.getRaster()->getSize().lx) / 2,
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(dimIris - tile.getRaster()->getSize().ly) / 2};
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if (ras32)
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setFilterPreviewToResult<TRaster32P, TPixel32>(ras32, glare_pattern,
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dimIris, margin);
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else if (ras64)
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setFilterPreviewToResult<TRaster64P, TPixel64>(ras64, glare_pattern,
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dimIris, margin);
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else if (rasF)
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setFilterPreviewToResult<TRasterFP, TPixelF>(rasF, glare_pattern, dimIris,
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margin);
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if (getFxVersion() >= 3 && !isLinear) {
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tile.getRaster()->setLinear(true);
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TRop::tosRGB(tile.getRaster(), settings.m_colorSpaceGamma);
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}
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return;
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}
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// render mode
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// Range of computation
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TRectD _rectOut(tile.m_pos, TDimensionD(tile.getRaster()->getLx(),
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tile.getRaster()->getLy()));
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_rectOut = _rectOut.enlarge(static_cast<double>(dimIris / 2));
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TDimensionI dimOut(static_cast<int>(_rectOut.getLx() + 0.5),
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static_cast<int>(_rectOut.getLy() + 0.5));
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// Enlarge the size to the "fast size" for kissfft which has no factors other
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// than 2,3, or 5.
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if (dimOut.lx < 10000 && dimOut.ly < 10000) {
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int new_x = kiss_fft_next_fast_size(dimOut.lx);
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int new_y = kiss_fft_next_fast_size(dimOut.ly);
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// margin should be integer
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|
while ((new_x - dimOut.lx) % 2 != 0)
|
|
new_x = kiss_fft_next_fast_size(new_x + 1);
|
|
while ((new_y - dimOut.ly) % 2 != 0)
|
|
new_y = kiss_fft_next_fast_size(new_y + 1);
|
|
|
|
_rectOut = _rectOut.enlarge(static_cast<double>(new_x - dimOut.lx) / 2.0,
|
|
static_cast<double>(new_y - dimOut.ly) / 2.0);
|
|
|
|
dimOut.lx = new_x;
|
|
dimOut.ly = new_y;
|
|
}
|
|
|
|
kiss_fft_cpx* kissfft_comp_tmp;
|
|
kiss_fft_cpx* kissfft_comp_glare;
|
|
kiss_fft_cpx* kissfft_comp_source;
|
|
TRasterGR8P kissfft_comp_tmp_ras(dimOut.lx * sizeof(kiss_fft_cpx), dimOut.ly);
|
|
TRasterGR8P kissfft_comp_glare_ras(dimOut.lx * sizeof(kiss_fft_cpx),
|
|
dimOut.ly);
|
|
TRasterGR8P kissfft_comp_source_ras(dimOut.lx * sizeof(kiss_fft_cpx),
|
|
dimOut.ly);
|
|
kissfft_comp_tmp = (kiss_fft_cpx*)kissfft_comp_tmp_ras->getRawData();
|
|
kissfft_comp_glare = (kiss_fft_cpx*)kissfft_comp_glare_ras->getRawData();
|
|
kissfft_comp_source = (kiss_fft_cpx*)kissfft_comp_source_ras->getRawData();
|
|
kissfft_comp_tmp_ras->lock();
|
|
kissfft_comp_glare_ras->lock();
|
|
kissfft_comp_source_ras->lock();
|
|
|
|
int dims[2] = {dimOut.ly, dimOut.lx};
|
|
int ndims = 2;
|
|
kiss_fftnd_cfg plan_fwd = kiss_fftnd_alloc(dims, ndims, false, 0, 0);
|
|
kiss_fftnd_cfg plan_bkwd = kiss_fftnd_alloc(dims, ndims, true, 0, 0);
|
|
|
|
// obtain the source tile
|
|
TTile sourceTile;
|
|
m_source->allocateAndCompute(sourceTile, _rectOut.getP00(), dimOut,
|
|
tile.getRaster(), frame, settings);
|
|
|
|
if (getFxVersion() >= 3 && !isLinear)
|
|
TRop::toLinearRGB(sourceTile.getRaster(), settings.m_colorSpaceGamma);
|
|
|
|
// store the source image to tmp
|
|
if (getFxVersion() < 3) {
|
|
if (ras32)
|
|
setSourceTileToBuffer<TRaster32P, TPixel32>(sourceTile.getRaster(),
|
|
kissfft_comp_tmp);
|
|
else if (ras64)
|
|
setSourceTileToBuffer<TRaster64P, TPixel64>(sourceTile.getRaster(),
|
|
kissfft_comp_tmp);
|
|
else if (rasF)
|
|
setSourceTileToBuffer<TRasterFP, TPixelF>(sourceTile.getRaster(),
|
|
kissfft_comp_tmp);
|
|
// FFT the source
|
|
kiss_fftnd(plan_fwd, kissfft_comp_tmp, kissfft_comp_source);
|
|
}
|
|
|
|
// compute for each rgb channels
|
|
for (int ch = 0; ch < 3; ch++) {
|
|
// store the source image to tmp for each channel
|
|
if (getFxVersion() >= 3) {
|
|
if (ras32)
|
|
setSourceTileToBuffer<TRaster32P, TPixel32>(sourceTile.getRaster(),
|
|
kissfft_comp_tmp, ch);
|
|
else if (ras64)
|
|
setSourceTileToBuffer<TRaster64P, TPixel64>(sourceTile.getRaster(),
|
|
kissfft_comp_tmp, ch);
|
|
else if (rasF)
|
|
setSourceTileToBuffer<TRasterFP, TPixelF>(sourceTile.getRaster(),
|
|
kissfft_comp_tmp, ch);
|
|
// FFT the source
|
|
kiss_fftnd(plan_fwd, kissfft_comp_tmp, kissfft_comp_source);
|
|
}
|
|
|
|
kissfft_comp_tmp_ras->clear();
|
|
// store the glare pattern to tmp
|
|
setGlarePatternToBuffer(glare_pattern, kissfft_comp_tmp, ch, dimIris,
|
|
dimOut);
|
|
|
|
// FFT the glare pattern
|
|
kiss_fftnd(plan_fwd, kissfft_comp_tmp, kissfft_comp_glare);
|
|
|
|
// multiply the glare and the source
|
|
multiplyFilter(kissfft_comp_glare, kissfft_comp_source,
|
|
dimOut.lx * dimOut.ly);
|
|
|
|
// Backward-FFT the glare pattern to tmp
|
|
kiss_fftnd(plan_bkwd, kissfft_comp_glare,
|
|
kissfft_comp_tmp); // Backward FFT
|
|
|
|
// convert tmp to channel values, store it into the tile
|
|
if (ras32)
|
|
setChannelToResult<TRaster32P, TPixel32>(ras32, kissfft_comp_tmp, ch,
|
|
dimOut);
|
|
else if (ras64)
|
|
setChannelToResult<TRaster64P, TPixel64>(ras64, kissfft_comp_tmp, ch,
|
|
dimOut);
|
|
else if (rasF)
|
|
setChannelToResult<TRasterFP, TPixelF>(rasF, kissfft_comp_tmp, ch,
|
|
dimOut);
|
|
}
|
|
|
|
if (getFxVersion() >= 3 && !isLinear) {
|
|
tile.getRaster()->setLinear(true);
|
|
TRop::tosRGB(tile.getRaster(), settings.m_colorSpaceGamma);
|
|
}
|
|
|
|
kiss_fft_free(plan_fwd);
|
|
kiss_fft_free(plan_bkwd);
|
|
|
|
kissfft_comp_source_ras->unlock();
|
|
kissfft_comp_glare_ras->unlock();
|
|
}
|
|
|
|
//------------------------------------------------
|
|
|
|
void Iwa_GlareFx::powerSpectrum2GlarePattern(
|
|
const double frame, const TAffine affine, kiss_fft_cpx* spectrum,
|
|
double3* glare, int dimIris, double intensity, double irisResizeFactor) {
|
|
auto lerp = [](double val1, double val2, double ratio) {
|
|
return val1 * (1.0 - ratio) + val2 * ratio;
|
|
};
|
|
|
|
auto lerpGlarePtn = [&](double i, double j, double* gp) {
|
|
int iId[2], jId[2];
|
|
double iRatio, jRatio;
|
|
iId[0] = int(i);
|
|
iId[1] = (iId[0] < dimIris - 1) ? iId[0] + 1 : iId[0];
|
|
iRatio = i - double(iId[0]);
|
|
jId[0] = int(j);
|
|
jId[1] = (jId[0] < dimIris - 1) ? jId[0] + 1 : jId[0];
|
|
jRatio = j - double(jId[0]);
|
|
if (iRatio == 0.0 && jRatio == 0.0) return gp[jId[0] * dimIris + iId[0]];
|
|
|
|
return lerp(lerp(gp[jId[0] * dimIris + iId[0]],
|
|
gp[jId[0] * dimIris + iId[1]], iRatio),
|
|
lerp(gp[jId[1] * dimIris + iId[0]],
|
|
gp[jId[1] * dimIris + iId[1]], iRatio),
|
|
jRatio);
|
|
};
|
|
|
|
double factor =
|
|
(m_renderMode->getValue() == RenderMode_FilterPreview) ? -5 : -11;
|
|
|
|
double* glarePattern_p;
|
|
TRasterGR8P glarePattern_ras(dimIris * sizeof(double), dimIris);
|
|
glarePattern_p = (double*)glarePattern_ras->getRawData();
|
|
glarePattern_ras->lock();
|
|
double* g_p = glarePattern_p;
|
|
double intensityFactor =
|
|
(getFxVersion() < 3) ? std::exp(intensity + factor) : 1.0;
|
|
for (int j = 0; j < dimIris; j++) {
|
|
for (int i = 0; i < dimIris; i++, g_p++) {
|
|
kiss_fft_cpx sp_p = spectrum[getCoord(i, j, dimIris, dimIris)];
|
|
(*g_p) = sqrt(sp_p.r * sp_p.r + sp_p.i * sp_p.i) * intensityFactor;
|
|
}
|
|
}
|
|
|
|
// distort the pattern with noise here
|
|
double noise_factor = m_noise_factor->getValue(frame);
|
|
double rotation = m_rotation->getValue(frame);
|
|
if (noise_factor > 0.0 || m_rotation != 0.0) {
|
|
distortGlarePattern(frame, affine, glarePattern_p, dimIris);
|
|
}
|
|
|
|
double3* glare_xyz;
|
|
TRasterGR8P glare_xyz_ras(dimIris * sizeof(double3), dimIris);
|
|
glare_xyz_ras->lock();
|
|
glare_xyz = (double3*)glare_xyz_ras->getRawData();
|
|
glare_xyz_ras->clear();
|
|
|
|
double irisRadius = double(dimIris / 2);
|
|
double aberration = m_aberration->getValue(frame);
|
|
|
|
// old version had summed each wavelength constantly.
|
|
// it was not physically-collect but keep it in order to maintain backward
|
|
// compatibility.
|
|
bool isVersion1 = getFxVersion() < 2;
|
|
|
|
// accumurate xyz values for each optical wavelength
|
|
for (int ram = 0; ram < 34; ram++) {
|
|
double rambda = 0.38 + 0.01 * (double)ram;
|
|
// double scale = 0.55 / rambda;
|
|
double scale = std::pow(0.55 / rambda, aberration);
|
|
double intensity_scale =
|
|
(isVersion1) ? 1.0 : std::pow(0.55 / rambda, 2.0 * aberration);
|
|
scale *= irisResizeFactor;
|
|
for (int j = 0; j < dimIris; j++) {
|
|
double j_scaled = (double(j) - irisRadius) * scale + irisRadius;
|
|
if (j_scaled < 0)
|
|
continue;
|
|
else if (j_scaled > double(dimIris - 1))
|
|
break;
|
|
|
|
double3* g_xyz_p = &glare_xyz[j * dimIris];
|
|
for (int i = 0; i < dimIris; i++, g_xyz_p++) {
|
|
double i_scaled = (double(i) - irisRadius) * scale + irisRadius;
|
|
if (i_scaled < 0)
|
|
continue;
|
|
else if (i_scaled > double(dimIris - 1))
|
|
break;
|
|
|
|
double gl =
|
|
lerpGlarePtn(i_scaled, j_scaled, glarePattern_p) * intensity_scale;
|
|
g_xyz_p->x += gl * (double)cie_d65[ram] * (double)xyz[ram * 3 + 0];
|
|
g_xyz_p->y += gl * (double)cie_d65[ram] * (double)xyz[ram * 3 + 1];
|
|
g_xyz_p->z += gl * (double)cie_d65[ram] * (double)xyz[ram * 3 + 2];
|
|
}
|
|
}
|
|
}
|
|
glarePattern_ras->unlock();
|
|
|
|
// convert to rgb
|
|
double3* g_xyz_p = glare_xyz;
|
|
double3* g_out_p = glare;
|
|
double max_g = 0.;
|
|
double sum_g = 0.;
|
|
for (int i = 0; i < dimIris * dimIris; i++, g_xyz_p++, g_out_p++) {
|
|
(*g_out_p).x = 3.240479 * (*g_xyz_p).x - 1.537150 * (*g_xyz_p).y -
|
|
0.498535 * (*g_xyz_p).z;
|
|
(*g_out_p).y = -0.969256 * (*g_xyz_p).x + 1.875992 * (*g_xyz_p).y +
|
|
0.041556 * (*g_xyz_p).z;
|
|
(*g_out_p).z = 0.055648 * (*g_xyz_p).x - 0.204043 * (*g_xyz_p).y +
|
|
1.057311 * (*g_xyz_p).z;
|
|
|
|
// get the maximum and sum the green channel
|
|
if ((*g_out_p).y > max_g) max_g = (*g_out_p).y;
|
|
sum_g += (*g_out_p).y;
|
|
}
|
|
|
|
if (getFxVersion() >= 3) {
|
|
double intensityFactor = std::exp(intensity);
|
|
// normalize with the brightest green channel
|
|
if (m_renderMode->getValue() == RenderMode_FilterPreview)
|
|
intensityFactor /= max_g;
|
|
// normalize with the sum of the intensity
|
|
else
|
|
intensityFactor /= sum_g;
|
|
|
|
g_out_p = glare;
|
|
for (int i = 0; i < dimIris * dimIris; i++, g_out_p++) {
|
|
(*g_out_p).x *= intensityFactor;
|
|
(*g_out_p).y *= intensityFactor;
|
|
(*g_out_p).z *= intensityFactor;
|
|
}
|
|
}
|
|
|
|
glare_xyz_ras->unlock();
|
|
}
|
|
|
|
//------------------------------------------------
|
|
|
|
void Iwa_GlareFx::distortGlarePattern(const double frame, const TAffine affine,
|
|
double* glare, const int dimIris) {
|
|
auto lerp = [](double val1, double val2, double ratio) {
|
|
return val1 * (1.0 - ratio) + val2 * ratio;
|
|
};
|
|
|
|
auto lerpGlarePtn = [&](double i, double j, double* gp) {
|
|
int iId[2], jId[2];
|
|
double iRatio, jRatio;
|
|
iId[0] = int(i);
|
|
iId[1] = (iId[0] < dimIris - 1) ? iId[0] + 1 : iId[0];
|
|
iRatio = i - double(iId[0]);
|
|
jId[0] = int(j);
|
|
jId[1] = (jId[0] < dimIris - 1) ? jId[0] + 1 : jId[0];
|
|
jRatio = j - double(jId[0]);
|
|
if (iRatio == 0.0 && jRatio == 0.0) return gp[jId[0] * dimIris + iId[0]];
|
|
|
|
return lerp(lerp(gp[jId[0] * dimIris + iId[0]],
|
|
gp[jId[0] * dimIris + iId[1]], iRatio),
|
|
lerp(gp[jId[1] * dimIris + iId[0]],
|
|
gp[jId[1] * dimIris + iId[1]], iRatio),
|
|
jRatio);
|
|
};
|
|
|
|
double size = m_noise_size->getValue(frame);
|
|
double evolution = m_noise_evolution->getValue(frame);
|
|
int octave = m_noise_octave->getValue();
|
|
double noiseFactor = m_noise_factor->getValue(frame);
|
|
double offsetFactor = 0.005;
|
|
TPointD offset =
|
|
TScale(offsetFactor) * affine * m_noise_offset->getValue(frame);
|
|
double theta = m_rotation->getValue(frame) * M_PI_180;
|
|
double cos_t = std::cos(theta);
|
|
double sin_t = std::sin(theta);
|
|
|
|
QList<double> noise_intensity;
|
|
double intensity_sum = 0.0;
|
|
double tmp_intensity = 1.0;
|
|
for (int i = 0; i < octave; i++) {
|
|
noise_intensity.append(tmp_intensity);
|
|
intensity_sum += tmp_intensity;
|
|
tmp_intensity *= 0.5;
|
|
}
|
|
for (double& n_i : noise_intensity) n_i /= intensity_sum;
|
|
|
|
// raster for storing the result
|
|
double* distortedPtn_p;
|
|
TRasterGR8P distortedPtn_ras(dimIris * sizeof(double), dimIris);
|
|
distortedPtn_p = (double*)distortedPtn_ras->getRawData();
|
|
distortedPtn_ras->lock();
|
|
|
|
double* dist_p = distortedPtn_p;
|
|
for (int j = 0; j < dimIris; j++) {
|
|
double v = double(j) - double(dimIris) / 2.0;
|
|
for (int i = 0; i < dimIris; i++, dist_p++) {
|
|
double u = double(i) - double(dimIris) / 2.0;
|
|
|
|
// obtain the noise coordinate
|
|
double2 noiseUV;
|
|
double len = std::sqrt(u * u + v * v) * size;
|
|
noiseUV.x = (len == 0.0) ? 0.0 : u / len;
|
|
noiseUV.y = (len == 0.0) ? 0.0 : v / len;
|
|
double currentSize = 1.0;
|
|
double currentEvoScale = 1.0;
|
|
double noiseVal = 0.5;
|
|
noiseUV.x += offset.x;
|
|
noiseUV.y += offset.y;
|
|
for (int oct = 0; oct < octave; oct++) {
|
|
double2 currentNoiseUV = {noiseUV.x / currentSize,
|
|
noiseUV.y / currentSize};
|
|
noiseVal += noise_intensity[oct] *
|
|
SimplexNoise::noise(currentNoiseUV.x, currentNoiseUV.y,
|
|
evolution * currentEvoScale);
|
|
currentSize *= 0.5;
|
|
currentEvoScale *= 2.0;
|
|
}
|
|
|
|
double scale = 1.0 / (1.0 + (noiseVal - 1) * noiseFactor);
|
|
double rot_u = u * cos_t - v * sin_t;
|
|
double rot_v = u * sin_t + v * cos_t;
|
|
|
|
double distorted_i = rot_u * scale + double(dimIris) / 2.0;
|
|
double distorted_j = rot_v * scale + double(dimIris) / 2.0;
|
|
|
|
if (distorted_i < 0.0 || distorted_i >= double(dimIris - 1) ||
|
|
distorted_j < 0.0 || distorted_j >= double(dimIris - 1))
|
|
(*dist_p) = 0.0;
|
|
else
|
|
(*dist_p) = lerpGlarePtn(distorted_i, distorted_j, glare);
|
|
}
|
|
}
|
|
|
|
dist_p = distortedPtn_p;
|
|
double* gl_p = glare;
|
|
for (int i = 0; i < dimIris * dimIris; i++, dist_p++, gl_p++)
|
|
(*gl_p) = (*dist_p);
|
|
|
|
distortedPtn_ras->unlock();
|
|
}
|
|
|
|
//------------------------------------------------
|
|
|
|
template <typename RASTER, typename PIXEL>
|
|
void Iwa_GlareFx::setFilterPreviewToResult(const RASTER ras, double3* glare,
|
|
int dimIris, int2 margin) {
|
|
auto clamp01 = [](double chan) {
|
|
if (chan < 0.0) return 0.0;
|
|
if (chan > 1.0) return 1.0;
|
|
return chan;
|
|
};
|
|
bool doClamp = (ras->getPixelSize() != 16);
|
|
int j = margin.y;
|
|
for (int out_j = 0; out_j < ras->getLy(); j++, out_j++) {
|
|
if (j < 0)
|
|
continue;
|
|
else if (j >= dimIris)
|
|
break;
|
|
PIXEL* pix = ras->pixels(out_j);
|
|
int i = margin.x;
|
|
for (int out_i = 0; out_i < ras->getLx(); i++, out_i++, pix++) {
|
|
if (i < 0)
|
|
continue;
|
|
else if (i >= dimIris)
|
|
break;
|
|
double3 gl_p = glare[j * dimIris + i];
|
|
if (doClamp) {
|
|
pix->r = (typename PIXEL::Channel)(clamp01(gl_p.x) *
|
|
double(PIXEL::maxChannelValue));
|
|
pix->g = (typename PIXEL::Channel)(clamp01(gl_p.y) *
|
|
double(PIXEL::maxChannelValue));
|
|
pix->b = (typename PIXEL::Channel)(clamp01(gl_p.z) *
|
|
double(PIXEL::maxChannelValue));
|
|
} else { // floating point case
|
|
pix->r = (typename PIXEL::Channel)gl_p.x;
|
|
pix->g = (typename PIXEL::Channel)gl_p.y;
|
|
pix->b = (typename PIXEL::Channel)gl_p.z;
|
|
}
|
|
pix->m = PIXEL::maxChannelValue;
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------
|
|
|
|
// put the source tile's brightness to fft buffer
|
|
template <typename RASTER, typename PIXEL>
|
|
void Iwa_GlareFx::setSourceTileToBuffer(const RASTER ras, kiss_fft_cpx* buf) {
|
|
kiss_fft_cpx* buf_p = buf;
|
|
for (int j = 0; j < ras->getLy(); j++) {
|
|
PIXEL* pix = ras->pixels(j);
|
|
for (int i = 0; i < ras->getLx(); i++, pix++, buf_p++) {
|
|
// Value = 0.3R 0.59G 0.11B
|
|
(*buf_p).r = (double(pix->r) * 0.3 + double(pix->g) * 0.59 +
|
|
double(pix->b) * 0.11) /
|
|
double(PIXEL::maxChannelValue);
|
|
}
|
|
}
|
|
}
|
|
|
|
// put the source tile's brightness to fft buffer
|
|
template <typename RASTER, typename PIXEL>
|
|
void Iwa_GlareFx::setSourceTileToBuffer(const RASTER ras, kiss_fft_cpx* buf,
|
|
int channel) {
|
|
kiss_fft_cpx* buf_p = buf;
|
|
for (int j = 0; j < ras->getLy(); j++) {
|
|
PIXEL* pix = ras->pixels(j);
|
|
for (int i = 0; i < ras->getLx(); i++, pix++, buf_p++) {
|
|
if (channel == 0)
|
|
(*buf_p).r = float(pix->r) / float(PIXEL::maxChannelValue);
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else if (channel == 1)
|
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(*buf_p).r = float(pix->g) / float(PIXEL::maxChannelValue);
|
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else { // if (channel == 2)
|
|
(*buf_p).r = float(pix->b) / float(PIXEL::maxChannelValue);
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}
|
|
(*buf_p).i = 0.f;
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------
|
|
|
|
void Iwa_GlareFx::setGlarePatternToBuffer(const double3* glare,
|
|
kiss_fft_cpx* buf, const int channel,
|
|
const int dimIris,
|
|
const TDimensionI& dimOut) {
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|
int margin_x = (dimOut.lx - dimIris) / 2;
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|
int margin_y = (dimOut.ly - dimIris) / 2;
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|
for (int j = margin_y; j < margin_y + dimIris; j++) {
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|
const double3* glare_p = &glare[(j - margin_y) * dimIris];
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|
kiss_fft_cpx* buf_p = &buf[j * dimOut.lx + margin_x];
|
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for (int i = margin_x; i < margin_x + dimIris; i++, buf_p++, glare_p++) {
|
|
(*buf_p).r = (channel == 0) ? (*glare_p).x
|
|
: (channel == 1) ? (*glare_p).y
|
|
: (*glare_p).z;
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------
|
|
|
|
void Iwa_GlareFx::multiplyFilter(kiss_fft_cpx* glare,
|
|
const kiss_fft_cpx* source, const int count) {
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|
kiss_fft_cpx* g_p = glare;
|
|
const kiss_fft_cpx* s_p = source;
|
|
for (int i = 0; i < count; i++, g_p++, s_p++) {
|
|
double re = (*g_p).r * (*s_p).r - (*g_p).i * (*s_p).i;
|
|
double im = (*g_p).r * (*s_p).i + (*s_p).r * (*g_p).i;
|
|
(*g_p).r = re;
|
|
(*g_p).i = im;
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------
|
|
template <typename RASTER, typename PIXEL>
|
|
void Iwa_GlareFx::setChannelToResult(const RASTER ras, kiss_fft_cpx* buf,
|
|
int channel, const TDimensionI& dimOut) {
|
|
auto clamp01 = [](double chan) {
|
|
if (chan < 0.0) return 0.0;
|
|
if (chan > 1.0) return 1.0;
|
|
return chan;
|
|
};
|
|
|
|
int margin_x = (dimOut.lx - ras->getSize().lx) / 2;
|
|
int margin_y = (dimOut.ly - ras->getSize().ly) / 2;
|
|
|
|
bool doClamp = (ras->getPixelSize() != 16);
|
|
|
|
for (int j = 0; j < ras->getLy(); j++) {
|
|
// kiss_fft_cpx* buf_p = &buf[(j + margin_y)*dimOut.lx + margin_x];
|
|
PIXEL* pix = ras->pixels(j);
|
|
for (int i = 0; i < ras->getLx(); i++, pix++) {
|
|
kiss_fft_cpx fft_val =
|
|
buf[getCoord(i + margin_x, j + margin_y, dimOut.lx, dimOut.ly)];
|
|
double val = fft_val.r / (dimOut.lx * dimOut.ly);
|
|
if (doClamp) {
|
|
if (channel == 0)
|
|
pix->r = (typename PIXEL::Channel)(clamp01(val) *
|
|
double(PIXEL::maxChannelValue));
|
|
else if (channel == 1)
|
|
pix->g = (typename PIXEL::Channel)(clamp01(val) *
|
|
double(PIXEL::maxChannelValue));
|
|
else if (channel == 2) {
|
|
pix->b = (typename PIXEL::Channel)(clamp01(val) *
|
|
double(PIXEL::maxChannelValue));
|
|
pix->m = PIXEL::maxChannelValue;
|
|
}
|
|
} else { // floating point case
|
|
if (channel == 0)
|
|
pix->r = (typename PIXEL::Channel)val;
|
|
else if (channel == 1)
|
|
pix->g = (typename PIXEL::Channel)val;
|
|
else if (channel == 2) {
|
|
pix->b = (typename PIXEL::Channel)val;
|
|
pix->m = PIXEL::maxChannelValue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------
|
|
bool Iwa_GlareFx::doGetBBox(double frame, TRectD& bBox,
|
|
const TRenderSettings& info) {
|
|
bBox = TConsts::infiniteRectD;
|
|
return true;
|
|
}
|
|
|
|
//------------------------------------------------
|
|
|
|
bool Iwa_GlareFx::canHandle(const TRenderSettings& info, double frame) {
|
|
return false;
|
|
}
|
|
|
|
//------------------------------------------------
|
|
// Resize / flip the iris image according to the size ratio.
|
|
// Normalize the brightness of the iris image.
|
|
// Enlarge the iris to the output size.
|
|
void Iwa_GlareFx::convertIris(kiss_fft_cpx* kissfft_comp_iris_before,
|
|
const int& dimIris, const TRectD& irisBBox,
|
|
const TRasterP irisRaster) {
|
|
// the original size of iris image
|
|
double2 irisOrgSize = {irisBBox.getLx(), irisBBox.getLy()};
|
|
|
|
// add 1 pixel margins to all sides
|
|
int2 filterSize = {(int)std::ceil(irisOrgSize.x) + 2,
|
|
(int)std::ceil(irisOrgSize.y) + 2};
|
|
TPointD resizeOffset((double)filterSize.x - irisOrgSize.x,
|
|
(double)filterSize.y - irisOrgSize.y);
|
|
|
|
// Try to set the center of the iris to the center of the screen
|
|
if ((dimIris - filterSize.x) % 2 == 1) filterSize.x++;
|
|
if ((dimIris - filterSize.y) % 2 == 1) filterSize.y++;
|
|
|
|
TRaster64P resizedIris(TDimension(filterSize.x, filterSize.y));
|
|
|
|
TAffine aff;
|
|
TPointD affOffset(0.5, 0.5);
|
|
if (dimIris % 2 == 1) affOffset += TPointD(0.5, 0.5);
|
|
|
|
aff = TTranslation(resizedIris->getCenterD() + affOffset);
|
|
aff *= TTranslation(-(irisRaster->getCenterD() + affOffset));
|
|
|
|
// resample the iris
|
|
TRop::resample(resizedIris, irisRaster, aff);
|
|
|
|
// accumulated value
|
|
float irisValAmount = 0.0;
|
|
|
|
int iris_j = 0;
|
|
// Initialize
|
|
for (int i = 0; i < dimIris * dimIris; i++) {
|
|
kissfft_comp_iris_before[i].r = 0.0;
|
|
kissfft_comp_iris_before[i].i = 0.0;
|
|
}
|
|
for (int j = (dimIris - filterSize.y) / 2; iris_j < filterSize.y;
|
|
j++, iris_j++) {
|
|
if (j < 0) continue;
|
|
if (j >= dimIris) break;
|
|
TPixel64* pix = resizedIris->pixels(iris_j);
|
|
int iris_i = 0;
|
|
for (int i = (dimIris - filterSize.x) / 2; iris_i < filterSize.x;
|
|
i++, iris_i++) {
|
|
if (i < 0) continue;
|
|
if (i >= dimIris) break;
|
|
// Value = 0.3R 0.59G 0.11B
|
|
kissfft_comp_iris_before[j * dimIris + i].r =
|
|
((float)pix->r * 0.3f + (float)pix->g * 0.59f +
|
|
(float)pix->b * 0.11f) /
|
|
(float)USHRT_MAX;
|
|
irisValAmount += kissfft_comp_iris_before[j * dimIris + i].r;
|
|
pix++;
|
|
}
|
|
}
|
|
|
|
// Normalize value
|
|
for (int i = 0; i < dimIris * dimIris; i++) {
|
|
kissfft_comp_iris_before[i].r /= irisValAmount;
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------
|
|
|
|
void Iwa_GlareFx::getParamUIs(TParamUIConcept*& concepts, int& length) {
|
|
concepts = new TParamUIConcept[length = 2];
|
|
|
|
concepts[0].m_type = TParamUIConcept::RADIUS;
|
|
concepts[0].m_label = "Size";
|
|
concepts[0].m_params.push_back(m_size);
|
|
|
|
concepts[1].m_type = TParamUIConcept::POINT;
|
|
concepts[1].m_label = "Noise Offset";
|
|
concepts[1].m_params.push_back(m_noise_offset);
|
|
}
|
|
|
|
//------------------------------------------------
|
|
|
|
bool Iwa_GlareFx::toBeComputedInLinearColorSpace(bool settingsIsLinear,
|
|
bool tileIsLinear) const {
|
|
return settingsIsLinear;
|
|
}
|
|
|
|
FX_PLUGIN_IDENTIFIER(Iwa_GlareFx, "iwa_GlareFx") |