249 lines
8.2 KiB
C++
249 lines
8.2 KiB
C++
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#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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//-------------------------------------------------------------------
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class LinearWaveFx : public TStandardRasterFx
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{
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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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public:
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LinearWaveFx()
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: m_intensity(20), m_gridStep(2), m_period(100), m_count(20), m_cycle(0.0), m_amplitude(50.0), m_frequency(200.0), m_phase(0.0), m_angle(0.0), m_sharpen(false)
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{
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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)());
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m_cycle->setValueRange(0, (std::numeric_limits<double>::max)());
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m_count->setValueRange(0, (std::numeric_limits<double>::max)());
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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)
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{
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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, const TRenderSettings &info)
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{
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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,
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double frame,
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const TRenderSettings &info)
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{
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bool isWarped = m_warped.isConnected();
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if (!isWarped)
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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, params);
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if (tileComputeRect.getLx() <= 0 || tileComputeRect.getLy() <= 0)
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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, const TRenderSettings &info)
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{
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bool isWarped = m_warped.isConnected();
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if (!isWarped)
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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 = (w_freq * 0.01 * TConsts::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 makes sure
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//that the lattice created for the warp does not depend on camera 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 = 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, params);
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if (tileComputeRect.getLx() <= 0 || tileComputeRect.getLy() <= 0)
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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(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[] = {
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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 = rasIn->create(warperComputeRect.getLx(), warperComputeRect.getLy());
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multiLinear(rasWarper, posTrasf, wavecolors, period, count, w_amplitude, 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((TScale(params.m_warperScale) * warperComputeRect.getP00()) - 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, const TRenderSettings &info)
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{
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//return -1; //Deactivated. This fx is currently very inefficient if 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, 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 tmax(
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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")
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