tahoma2d/toonz/sources/stdfx/dissolvefx.cpp

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#include "texception.h"
#include "tfxparam.h"
#include "stdfx.h"
#include "trandom.h"
//===================================================================
class DissolveFx final : public TStandardRasterFx {
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FX_PLUGIN_DECLARATION(DissolveFx)
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TRasterFxPort m_input;
TDoubleParamP m_intensity;
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public:
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DissolveFx() : m_intensity(30.0) {
bindParam(this, "intensity", m_intensity);
addInputPort("Source", m_input);
m_intensity->setValueRange(0.0, 100.0);
}
~DissolveFx(){};
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bool doGetBBox(double frame, TRectD &bBox,
const TRenderSettings &info) override {
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if (m_input.isConnected()) {
bool ret = m_input->doGetBBox(frame, bBox, info);
return ret;
} else {
bBox = TRectD();
return false;
}
}
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void doCompute(TTile &tile, double frame, const TRenderSettings &ri) override;
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bool canHandle(const TRenderSettings &info, double frame) override {
return true;
}
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};
template <typename PIXEL>
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void doDissolve(const TRasterPT<PIXEL> &ras, const double intensity,
TRandom &rnd) {
int j;
ras->lock();
for (j = 0; j < ras->getLy(); j++) {
PIXEL *pix = ras->pixels(j);
PIXEL *endPix = pix + ras->getLx();
while (pix < endPix) {
if (pix->m) {
double data;
data = rnd.getFloat();
if (data < intensity) {
pix->r = pix->g = pix->b = pix->m = 0;
}
}
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pix++;
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}
}
ras->unlock();
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}
//-------------------------------------------------------------------
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void DissolveFx::doCompute(TTile &tile, double frame,
const TRenderSettings &ri) {
if (!m_input.isConnected()) return;
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m_input->compute(tile, frame, ri);
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TRandom rnd;
double intensity = m_intensity->getValue(frame) / 100.0;
;
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TRaster32P raster32 = tile.getRaster();
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if (raster32)
doDissolve<TPixel32>(raster32, intensity, rnd);
else {
TRaster64P raster64 = tile.getRaster();
if (raster64)
doDissolve<TPixel64>(raster64, intensity, rnd);
else
throw TException("Brightness&Contrast: unsupported Pixel Type");
}
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}
FX_PLUGIN_IDENTIFIER(DissolveFx, "dissolveFx");