2016-03-19 06:57:51 +13:00
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#include "texception.h"
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#include "tfxparam.h"
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#include "stdfx.h"
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#include "trandom.h"
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//===================================================================
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2016-06-29 18:17:12 +12:00
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class SaltPepperNoiseFx final : public TStandardRasterFx {
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2016-06-15 18:43:10 +12:00
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FX_PLUGIN_DECLARATION(SaltPepperNoiseFx)
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2016-03-19 06:57:51 +13:00
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2016-06-15 18:43:10 +12:00
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TRasterFxPort m_input;
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TDoubleParamP m_Intensity;
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TBoolParamP m_Animate;
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2016-03-19 06:57:51 +13:00
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public:
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2016-06-15 18:43:10 +12:00
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SaltPepperNoiseFx() : m_Intensity(30.0), m_Animate(0.0) {
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bindParam(this, "Intensity", m_Intensity);
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bindParam(this, "Animate", m_Animate);
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addInputPort("Source", m_input);
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m_Intensity->setValueRange(0.0, 100.0);
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}
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~SaltPepperNoiseFx(){};
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2016-06-20 14:23:05 +12:00
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bool doGetBBox(double frame, TRectD &bBox,
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const TRenderSettings &info) override {
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2016-06-15 18:43:10 +12:00
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if (m_input.isConnected()) {
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bool ret = m_input->doGetBBox(frame, bBox, info);
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return ret;
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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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2016-06-19 20:06:29 +12:00
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void doCompute(TTile &tile, double frame, const TRenderSettings &ri) override;
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2016-06-20 14:23:05 +12:00
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std::string getAlias(double frame,
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const TRenderSettings &info) const override;
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2016-06-15 18:43:10 +12:00
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2016-06-20 14:23:05 +12:00
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bool canHandle(const TRenderSettings &info, double frame) override {
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return true;
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}
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2016-03-19 06:57:51 +13:00
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};
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template <typename PIXEL>
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2016-06-15 18:43:10 +12:00
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void doSaltPepperNoise(const TRasterPT<PIXEL> &ras, const double intensity,
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TRandom &rnd, bool animate, double frame) {
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if (animate) rnd.setSeed(frame);
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double data = 0.5 * intensity;
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double data1 = data + 0.5;
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double data2 = 0.5 - data;
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int j;
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ras->lock();
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for (j = 0; j < ras->getLy(); j++) {
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PIXEL *pix = ras->pixels(j);
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PIXEL *endPix = pix + ras->getLx();
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while (pix < endPix) {
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if (pix->m) {
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data = rnd.getFloat();
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if (data >= 0.5 && data < data1) {
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pix->r = pix->g = pix->b = 0;
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} else if (data >= data2 && data < 0.5)
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pix->r = pix->g = pix->b = pix->m;
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}
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2020-04-12 17:19:20 +12:00
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pix++;
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2016-06-15 18:43:10 +12:00
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}
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}
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ras->unlock();
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2016-03-19 06:57:51 +13:00
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}
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//-------------------------------------------------------------------
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2016-06-15 18:43:10 +12:00
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void SaltPepperNoiseFx::doCompute(TTile &tile, double frame,
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const TRenderSettings &ri) {
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if (!m_input.isConnected()) return;
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m_input->compute(tile, frame, ri);
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TRandom rnd;
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double intensity = m_Intensity->getValue(frame) / 100.0;
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;
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bool animate = m_Animate->getValue();
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TRaster32P raster32 = tile.getRaster();
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if (raster32)
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doSaltPepperNoise<TPixel32>(raster32, intensity, rnd, animate, frame);
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else {
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TRaster64P raster64 = tile.getRaster();
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if (raster64)
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doSaltPepperNoise<TPixel64>(raster64, intensity, rnd, animate, frame);
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else
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throw TException("SaltPepperNoiseFx: unsupported Pixel Type");
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}
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2016-03-19 06:57:51 +13:00
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}
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//------------------------------------------------------------------
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2016-06-15 18:43:10 +12:00
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std::string SaltPepperNoiseFx::getAlias(double frame,
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const TRenderSettings &info) const {
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std::string alias = getFxType();
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alias += "[";
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// alias degli effetti connessi alle porte di input separati da virgole
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// una porta non connessa da luogo a un alias vuoto (stringa vuota)
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int i = 0;
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for (i = 0; i < getInputPortCount(); i++) {
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TFxPort *port = getInputPort(i);
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if (port->isConnected()) {
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TRasterFxP ifx = port->getFx();
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assert(ifx);
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alias += ifx->getAlias(frame, info);
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}
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alias += ",";
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}
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bool addframe = 0;
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std::string paramalias("");
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for (i = 0; i < getParams()->getParamCount(); i++) {
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TParam *param = getParams()->getParam(i);
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paramalias += param->getName() + "=" + param->getValueAlias(frame, 3);
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if (param->getName() == "Animate" && param->getValueAlias(frame, 0) == "1")
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addframe = true;
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}
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if (addframe) alias += std::to_string(frame) + ",";
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alias += paramalias + "]";
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return alias;
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2016-03-19 06:57:51 +13:00
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}
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FX_PLUGIN_IDENTIFIER(SaltPepperNoiseFx, "saltpepperNoiseFx");
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