341 lines
10 KiB
C++
341 lines
10 KiB
C++
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#include "stdfx.h"
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#include "tfxparam.h"
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#include "tparamset.h"
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#include "tparamuiconcept.h"
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class RadialBlurFx : public TStandardRasterFx
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{
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FX_PLUGIN_DECLARATION(RadialBlurFx)
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TRasterFxPort m_input;
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TPointParamP m_point;
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TDoubleParamP m_radius;
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TDoubleParamP m_blur;
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public:
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RadialBlurFx()
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: m_point(TPointD(0.0, 0.0)), m_radius(0.0), m_blur(5.0)
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{
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m_point->getX()->setMeasureName("fxLength");
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m_point->getY()->setMeasureName("fxLength");
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m_radius->setMeasureName("fxLength");
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bindParam(this, "point", m_point);
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bindParam(this, "radius", m_radius);
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bindParam(this, "blur", m_blur);
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addInputPort("Source", m_input);
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m_radius->setValueRange(0, (std::numeric_limits<double>::max)());
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m_blur->setValueRange(0, (std::numeric_limits<double>::max)());
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}
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~RadialBlurFx(){};
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int getMaxBraid(const TRectD &bBox, double frame, const TAffine &aff = TAffine())
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{
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double scale = sqrt(fabs(aff.det()));
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TPointD point = aff * m_point->getValue(frame);
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double radius = m_radius->getValue(frame) * scale;
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double blur = m_blur->getValue(frame);
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double intensity = blur * (TConsts::pi / 180);
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TPointD p1 = bBox.getP00() - point;
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TPointD p2 = bBox.getP01() - point;
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TPointD p3 = bBox.getP10() - point;
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TPointD p4 = bBox.getP11() - point;
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double d1 = p1.x * p1.x + p1.y * p1.y;
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double d2 = p2.x * p2.x + p2.y * p2.y;
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double d3 = p3.x * p3.x + p3.y * p3.y;
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double d4 = p4.x * p4.x + p4.y * p4.y;
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double maxD = tmax(tmax(tmax(d3, d4), d2), d1);
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return tround(tmax(sqrt(maxD) - radius, 0.0)) * intensity;
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}
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void enlarge(
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const TRectD &bbox, TRectD &requestedGeom,
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const TRenderSettings &ri, double frame);
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bool doGetBBox(double frame, TRectD &bBox, const TRenderSettings &info)
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{
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if (m_input.isConnected()) {
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m_input->doGetBBox(frame, bBox, info);
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bBox = bBox.enlarge(getMaxBraid(bBox, frame));
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return true;
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} else {
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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 transform(double frame,
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int port,
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const TRectD &rectOnOutput,
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const TRenderSettings &infoOnOutput,
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TRectD &rectOnInput,
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TRenderSettings &infoOnInput);
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void doCompute(TTile &tile, double frame, const TRenderSettings &);
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int getMemoryRequirement(const TRectD &rect, double frame, const TRenderSettings &info);
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bool canHandle(const TRenderSettings &info, double frame)
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{
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if (info.m_isSwatch)
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return true;
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return m_blur->getValue(frame) == 0 ? true : isAlmostIsotropic(info.m_affine);
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}
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void getParamUIs(TParamUIConcept *&concepts, int &length)
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{
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concepts = new TParamUIConcept[length = 2];
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concepts[0].m_type = TParamUIConcept::POINT;
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concepts[0].m_label = "Center";
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concepts[0].m_params.push_back(m_point);
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concepts[1].m_type = TParamUIConcept::RADIUS;
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concepts[1].m_label = "Radius";
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concepts[1].m_params.push_back(m_radius);
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concepts[1].m_params.push_back(m_point);
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}
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};
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//------------------------------------------------------------------------------
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template <typename PIXEL, typename CHANNEL_TYPE, int MAX_CHANNEL_VALUE>
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void doRadialBlur(const TRasterPT<PIXEL> rout, const TRasterPT<PIXEL> rin, double blur, double radius, TPointD point)
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{
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/*-センター位置-*/
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int dx = (int)point.x;
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int dy = (int)point.y;
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int i, j;
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/*- 出力サイズ -*/
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int lx = rout->getLx();
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int ly = rout->getLy();
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PIXEL *src_buf, *dst_buf;
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/*- チャンネル最大値(bppにより異なる) -*/
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double CROP_VAL = (double)MAX_CHANNEL_VALUE;
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CHANNEL_TYPE U_CROP_VAL = MAX_CHANNEL_VALUE;
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double intensity = blur * (TConsts::pi / 180);
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/*-出力サイズの画面の中の、ブラーのセンター位置-*/
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int cx = lx / 2 + dx;
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int cy = ly / 2 + dy;
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rin->lock();
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rout->lock();
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for (i = 0; i < ly; i++) {
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src_buf = rin->pixels(i);
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dst_buf = rout->pixels(i);
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for (j = 0; j < lx; j++, src_buf++, dst_buf++) {
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double valr = 0, valg = 0, valb = 0, valm = 0;
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double sinangle = 0, cosangle = 0;
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double angle = 0, dist, rangeinv = 0;
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int ii, vx, vy;
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int shiftx, shifty, range = 0, rangehalf;
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/*- ブラー中心→現在のピクセルへのベクトル -*/
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vx = (int)(j - cx);
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vy = (int)(i - cy);
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dist = sqrt((double)(vx * vx + vy * vy));
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/*- ブラーのかかる大きさ。（距離-radius）に比例 -*/
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range = (int)((dist - radius) * intensity);
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/*- ブラーが少しでもかかる場合 -*/
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if (range >= 1 && (dist - radius) > 0) {
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rangehalf = range / 2;
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/*- ブラーの角度 -*/
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angle = atan2((double)vy, (double)vx);
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cosangle = cos(angle);
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if (vx)
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sinangle = cosangle * (vy / (float)vx);
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else
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sinangle = sin(angle);
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for (ii = 0; ii <= range; ii++) {
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shiftx = (int)((ii - rangehalf) * cosangle);
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shifty = (int)((ii - rangehalf) * sinangle);
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/*- 画面外にはみだす条件 -*/
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if ((j + shiftx) < 0)
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continue; // shiftx=-j;
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if ((j + shiftx) >= lx)
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continue; //shiftx=lx-j-1;
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if ((i + shifty) < 0)
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continue; //shifty=-i;
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if ((i + shifty) >= ly)
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continue; //shifty=ly-i-1;
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valr += rin->pixels(i + shifty)[j + shiftx].r;
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valg += rin->pixels(i + shifty)[j + shiftx].g;
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valb += rin->pixels(i + shifty)[j + shiftx].b;
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valm += rin->pixels(i + shifty)[j + shiftx].m;
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}
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rangeinv = 1.0 / (range + 1);
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valr *= rangeinv;
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valg *= rangeinv;
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valb *= rangeinv;
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valm *= rangeinv;
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dst_buf->r = (valr > CROP_VAL) ? U_CROP_VAL : ((valr < 0) ? 0 : (CHANNEL_TYPE)valr);
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dst_buf->g = (valg > CROP_VAL) ? U_CROP_VAL : ((valg < 0) ? 0 : (CHANNEL_TYPE)valg);
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dst_buf->b = (valb > CROP_VAL) ? U_CROP_VAL : ((valb < 0) ? 0 : (CHANNEL_TYPE)valb);
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dst_buf->m = (valm > CROP_VAL) ? U_CROP_VAL : ((valm < 0) ? 0 : (CHANNEL_TYPE)valm);
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} else {
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*(dst_buf) = *(src_buf);
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}
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}
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}
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rin->unlock();
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rout->unlock();
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}
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//------------------------------------------------------------------------------
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//!Calculates the geometry we need for this node computation, given
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//!the known input data (bbox) and the requested output (requestedGeom).
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void RadialBlurFx::enlarge(
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const TRectD &bbox, TRectD &requestedGeom,
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const TRenderSettings &ri, double frame)
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{
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TRectD enlargedBbox(bbox);
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TRectD enlargedGeom(requestedGeom);
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TPointD originalP00(requestedGeom.getP00());
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double maxRange = getMaxBraid(enlargedBbox, frame, ri.m_affine);
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/*- 最低でも1pixel追加する -*/
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maxRange = tmax(maxRange, 1.0);
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enlargedBbox = enlargedBbox.enlarge(maxRange);
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enlargedGeom = enlargedGeom.enlarge(maxRange);
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//We are to find out the geometry that is useful for the fx computation.
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//There are some rules to follow:
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// a) First, the interesting output we can generate is bounded by both
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// the requestedRect and the blurred bbox (i.e. enlarged by the blur radius).
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// b) Pixels contributing to any output are necessarily part of bbox - and only
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// those which are blurrable into the requestedRect are useful to us
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// (i.e. pixels contained in its enlargement by the blur radius).
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requestedGeom = (enlargedGeom * bbox) + (enlargedBbox * requestedGeom);
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//Finally, make sure that the result is coherent with the original P00
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requestedGeom -= originalP00;
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requestedGeom.x0 = tfloor(requestedGeom.x0);
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requestedGeom.y0 = tfloor(requestedGeom.y0);
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requestedGeom.x1 = tceil(requestedGeom.x1);
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requestedGeom.y1 = tceil(requestedGeom.y1);
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requestedGeom += originalP00;
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}
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//------------------------------------------------------------------------------
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void RadialBlurFx::transform(
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double frame,
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int port,
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const TRectD &rectOnOutput,
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const TRenderSettings &infoOnOutput,
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TRectD &rectOnInput,
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TRenderSettings &infoOnInput)
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{
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TRectD rectOut(rectOnOutput);
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if (canHandle(infoOnOutput, frame))
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infoOnInput = infoOnOutput;
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else {
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infoOnInput = infoOnOutput;
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infoOnInput.m_affine = TAffine(); // because the affine does not commute
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rectOut = infoOnOutput.m_affine.inv() * rectOut;
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}
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TRectD bbox;
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m_input->getBBox(frame, bbox, infoOnInput);
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if (rectOnInput == TConsts::infiniteRectD)
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bbox = rectOut;
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rectOnInput = rectOut;
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enlarge(bbox, rectOnInput, infoOnInput, frame);
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}
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//------------------------------------------------------------------------------
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void RadialBlurFx::doCompute(TTile &tile, double frame, const TRenderSettings &ri)
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{
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if (!m_input.isConnected())
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return;
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double scale = sqrt(fabs(ri.m_affine.det()));
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TPointD point = ri.m_affine * m_point->getValue(frame);
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double radius = m_radius->getValue(frame) * scale;
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double blur = m_blur->getValue(frame);
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TRectD tileRect = convert(tile.getRaster()->getBounds()) + tile.m_pos;
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TRectD bBox;
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m_input->getBBox(frame, bBox, ri);
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if (bBox.isEmpty())
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return;
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if (bBox == TConsts::infiniteRectD)
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bBox = tileRect;
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enlarge(bBox, tileRect, ri, frame);
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TPointD tileRectCenter = (tileRect.getP00() + tileRect.getP11()) * 0.5;
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point -= tileRectCenter;
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int rasInLx = tileRect.getLx();
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int rasInLy = tileRect.getLy();
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TRaster32P raster32 = tile.getRaster();
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TRaster64P raster64 = tile.getRaster();
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TPoint offset = convert(tile.m_pos - tileRect.getP00());
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TTile tileIn;
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if (raster32) {
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m_input->allocateAndCompute(tileIn, tileRect.getP00(),
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TDimension(rasInLx, rasInLy),
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raster32, frame, ri);
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TRaster32P rin = tileIn.getRaster();
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TRaster32P app = raster32->create(rasInLx, rasInLy);
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doRadialBlur<TPixel32, UCHAR, 255>(app, rin, blur, radius, point);
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raster32->copy(app, -offset);
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} else if (raster64) {
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TRaster64P raster64 = tile.getRaster();
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m_input->allocateAndCompute(tileIn, tileRect.getP00(),
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TDimension(rasInLx, rasInLy),
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raster64, frame, ri);
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TRaster64P rin = tileIn.getRaster();
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TRaster64P app = raster64->create(rasInLx, rasInLy);
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doRadialBlur<TPixel64, USHORT, 65535>(app, rin, blur, radius, point);
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raster64->copy(app, -offset);
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} else
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throw TException("Brightness&Contrast: unsupported Pixel Type");
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}
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//------------------------------------------------------------------
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int RadialBlurFx::getMemoryRequirement(const TRectD &rect, double frame, const TRenderSettings &info)
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{
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double scale = sqrt(fabs(info.m_affine.det()));
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TPointD point = info.m_affine * m_point->getValue(frame);
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double blur = m_blur->getValue(frame);
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TRectD bBox;
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m_input->getBBox(frame, bBox, info);
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if (bBox.isEmpty())
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return 0;
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|
|||
|
|
if (bBox == TConsts::infiniteRectD)
|
|||
|
|
bBox = rect;
|
|||
|
|
|
|||
|
|
TRectD tileRect(rect);
|
|||
|
|
enlarge(bBox, tileRect, info, frame);
|
|||
|
|
|
|||
|
|
return TRasterFx::memorySize(tileRect.enlarge(blur), info.m_bpp);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//------------------------------------------------------------------
|
|||
|
|
|
|||
|
|
FX_PLUGIN_IDENTIFIER(RadialBlurFx, "radialBlurFx")
|