Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
#include "stdfx.h"
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#include "tfxparam.h"
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#include "warp.h"
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#include "trop.h"
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#include "trasterfx.h"
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#include "tspectrumparam.h"
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#include "gradients.h"
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//-------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class LinearWaveFx final : public TStandardRasterFx {
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  FX_PLUGIN_DECLARATION(LinearWaveFx)
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protected:
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  TRasterFxPort m_warped;
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  TDoubleParamP m_intensity;
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  TDoubleParamP m_gridStep;
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  TDoubleParamP m_count;
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  TDoubleParamP m_period;
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  TDoubleParamP m_cycle;
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  TDoubleParamP m_amplitude;
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  TDoubleParamP m_frequency;
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  TDoubleParamP m_phase;
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  TDoubleParamP m_angle;
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  TBoolParamP m_sharpen;
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Toshihiro Shimizu 890ddd
public:
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  LinearWaveFx()
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      : m_intensity(20)
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      , m_gridStep(2)
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      , m_period(100)
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      , m_count(20)
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      , m_cycle(0.0)
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      , m_amplitude(50.0)
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      , m_frequency(200.0)
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      , m_phase(0.0)
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      , m_angle(0.0)
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      , m_sharpen(false) {
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    addInputPort("Source", m_warped);
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    bindParam(this, "intensity", m_intensity);
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    bindParam(this, "sensitivity", m_gridStep);
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    bindParam(this, "period", m_period);
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    bindParam(this, "count", m_count);
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    bindParam(this, "cycle", m_cycle);
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    bindParam(this, "amplitude", m_amplitude);
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    bindParam(this, "frequency", m_frequency);
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    bindParam(this, "phase", m_phase);
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    bindParam(this, "angle", m_angle);
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    bindParam(this, "sharpen", m_sharpen);
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    m_intensity->setValueRange(-1000, 1000);
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    m_gridStep->setValueRange(2, 20);
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    m_period->setValueRange(0, (std::numeric_limits<double>::max)());</double>
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    m_cycle->setValueRange(0, (std::numeric_limits<double>::max)());</double>
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    m_count->setValueRange(0, (std::numeric_limits<double>::max)());</double>
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    m_period->setMeasureName("fxLength");
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    m_amplitude->setMeasureName("fxLength");
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  }
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  virtual ~LinearWaveFx() {}
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  //-------------------------------------------------------------------
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  bool canHandle(const TRenderSettings &info, double frame) override {
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    return isAlmostIsotropic(info.m_affine);
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  }
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  //-------------------------------------------------------------------
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  bool doGetBBox(double frame, TRectD &bBox,
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                 const TRenderSettings &info) override {
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    if (m_warped.isConnected()) {
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      int ret = m_warped->doGetBBox(frame, bBox, info);
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      if (ret && !bBox.isEmpty()) {
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        if (bBox != TConsts::infiniteRectD) {
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          WarpParams params;
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          params.m_intensity = m_intensity->getValue(frame);
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          bBox = bBox.enlarge(getWarpRadius(params));
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        }
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        return true;
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      }
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    }
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    bBox = TRectD();
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    return false;
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  }
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  //-------------------------------------------------------------------
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  void doDryCompute(TRectD &rect, double frame,
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                    const TRenderSettings &info) override {
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    bool isWarped = m_warped.isConnected();
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    if (!isWarped) return;
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    if (fabs(m_intensity->getValue(frame)) < 0.01) {
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      m_warped->dryCompute(rect, frame, info);
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      return;
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    }
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    double scale    = sqrt(fabs(info.m_affine.det()));
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    double gridStep = 1.5 * m_gridStep->getValue(frame);
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    WarpParams params;
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    params.m_intensity   = m_intensity->getValue(frame) / gridStep;
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    params.m_warperScale = scale * gridStep;
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    params.m_sharpen     = m_sharpen->getValue();
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    TRectD warpedBox, warpedComputeRect, tileComputeRect;
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    m_warped->getBBox(frame, warpedBox, info);
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    getWarpComputeRects(tileComputeRect, warpedComputeRect, warpedBox, rect,
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                        params);
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    if (tileComputeRect.getLx() <= 0 || tileComputeRect.getLy() <= 0) return;
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    if (warpedComputeRect.getLx() <= 0 || warpedComputeRect.getLy() <= 0)
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      return;
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    m_warped->dryCompute(warpedComputeRect, frame, info);
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  }
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  //-------------------------------------------------------------------
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  void doCompute(TTile &tile, double frame,
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                 const TRenderSettings &info) override {
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    bool isWarped = m_warped.isConnected();
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    if (!isWarped) return;
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    if (fabs(m_intensity->getValue(frame)) < 0.01) {
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      m_warped->compute(tile, frame, info);
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      return;
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    }
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    int shrink      = (info.m_shrinkX + info.m_shrinkY) / 2;
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    double scale    = sqrt(fabs(info.m_affine.det()));
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    double gridStep = 1.5 * m_gridStep->getValue(frame);
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    WarpParams params;
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    params.m_intensity   = m_intensity->getValue(frame) / gridStep;
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    params.m_warperScale = scale * gridStep;
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    params.m_sharpen     = m_sharpen->getValue();
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    params.m_shrink      = shrink;
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    double period        = m_period->getValue(frame) / info.m_shrinkX;
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    double count         = m_count->getValue(frame);
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    double cycle         = m_cycle->getValue(frame) / info.m_shrinkX;
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    double w_amplitude = m_amplitude->getValue(frame) / info.m_shrinkX;
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    double w_freq      = m_frequency->getValue(frame) * info.m_shrinkX;
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    double w_phase     = m_phase->getValue(frame);
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    w_freq *= 0.01 * M_PI_180;
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    double angle = -m_angle->getValue(frame);
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    // The warper is calculated on a standard reference, with fixed dpi. This
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    // makes sure
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    // that the lattice created for the warp does not depend on camera
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    // transforms and resolution.
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    TRenderSettings warperInfo(info);
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    double warperScaleFactor = 1.0 / params.m_warperScale;
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    warperInfo.m_affine      = TScale(warperScaleFactor) * info.m_affine;
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    // Retrieve tile's geometry
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    TRectD tileRect;
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    {
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      TRasterP tileRas = tile.getRaster();
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      tileRect =
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          TRectD(tile.m_pos, TDimensionD(tileRas->getLx(), tileRas->getLy()));
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    }
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    // Build the compute rect
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    TRectD warpedBox, warpedComputeRect, tileComputeRect;
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    m_warped->getBBox(frame, warpedBox, info);
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    getWarpComputeRects(tileComputeRect, warpedComputeRect, warpedBox, tileRect,
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                        params);
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    if (tileComputeRect.getLx() <= 0 || tileComputeRect.getLy() <= 0) return;
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    if (warpedComputeRect.getLx() <= 0 || warpedComputeRect.getLy() <= 0)
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      return;
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    TRectD warperComputeRect(TScale(warperScaleFactor) * tileComputeRect);
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    double warperEnlargement = getWarperEnlargement(params);
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    warperComputeRect        = warperComputeRect.enlarge(warperEnlargement);
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    warperComputeRect.x0     = tfloor(warperComputeRect.x0);
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    warperComputeRect.y0     = tfloor(warperComputeRect.y0);
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    warperComputeRect.x1     = tceil(warperComputeRect.x1);
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    warperComputeRect.y1     = tceil(warperComputeRect.y1);
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    // Compute the warped tile
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    TTile tileIn;
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    m_warped->allocateAndCompute(
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        tileIn, warpedComputeRect.getP00(),
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        TDimension(warpedComputeRect.getLx(), warpedComputeRect.getLy()),
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        tile.getRaster(), frame, info);
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    TRasterP rasIn = tileIn.getRaster();
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    // Compute the warper tile
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    TSpectrum::ColorKey colors[] = {TSpectrum::ColorKey(0, TPixel32::White),
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                                    TSpectrum::ColorKey(0.5, TPixel32::Black),
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                                    TSpectrum::ColorKey(1, TPixel32::White)};
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    TSpectrumParamP wavecolors = TSpectrumParamP(tArrayCount(colors), colors);
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    // Build the multiradial
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    warperInfo.m_affine = warperInfo.m_affine * TRotation(angle);
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    TAffine aff         = warperInfo.m_affine.inv();
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    TPointD posTrasf    = aff * warperComputeRect.getP00();
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    TRasterP rasWarper =
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        rasIn->create(warperComputeRect.getLx(), warperComputeRect.getLy());
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    multiLinear(rasWarper, posTrasf, wavecolors, period, count, w_amplitude,
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                w_freq, w_phase, cycle, aff, frame);
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    // Warp
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    TPointD db;
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    TRect rasComputeRectI(convert(tileComputeRect - tileRect.getP00(), db));
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    TRasterP tileRas = tile.getRaster()->extract(rasComputeRectI);
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    TPointD rasInPos(warpedComputeRect.getP00() - tileComputeRect.getP00());
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    TPointD warperPos(
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        (TScale(params.m_warperScale) * warperComputeRect.getP00()) -
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        tileComputeRect.getP00());
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    warp(tileRas, rasIn, rasWarper, rasInPos, warperPos, params);
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  }
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  int getMemoryRequirement(const TRectD &rect, double frame,
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                           const TRenderSettings &info) override {
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    // return -1;   //Deactivated. This fx is currently very inefficient if
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    // subdivided!
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    int shrink      = (info.m_shrinkX + info.m_shrinkY) / 2;
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    double scale    = sqrt(fabs(info.m_affine.det()));
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    double gridStep = 1.5 * m_gridStep->getValue(frame);
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    WarpParams params;
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    params.m_intensity   = m_intensity->getValue(frame) / gridStep;
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    params.m_warperScale = scale * gridStep;
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    params.m_sharpen     = m_sharpen->getValue();
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    params.m_shrink      = shrink;
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    double warperScaleFactor = 1.0 / params.m_warperScale;
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    TRectD warpedBox, warpedComputeRect, tileComputeRect;
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    m_warped->getBBox(frame, warpedBox, info);
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    getWarpComputeRects(tileComputeRect, warpedComputeRect, warpedBox, rect,
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                        params);
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    TRectD warperComputeRect(TScale(warperScaleFactor) * tileComputeRect);
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    double warperEnlargement = getWarperEnlargement(params);
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    warperComputeRect        = warperComputeRect.enlarge(warperEnlargement);
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    return std::max(TRasterFx::memorySize(warpedComputeRect, info.m_bpp),
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                    TRasterFx::memorySize(warperComputeRect, info.m_bpp));
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  }
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};
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//-------------------------------------------------------------------
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FX_PLUGIN_IDENTIFIER(LinearWaveFx, "linearWaveFx")