102 lines
2.5 KiB
C++
102 lines
2.5 KiB
C++
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#include "stdfx.h"
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#include "tfxparam.h"
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#include "tspectrumparam.h"
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class MultiToneFx : public TStandardRasterFx
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{
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FX_PLUGIN_DECLARATION(MultiToneFx)
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TRasterFxPort m_input;
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TSpectrumParamP m_colors;
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public:
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MultiToneFx()
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{
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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::Yellow),
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TSpectrum::ColorKey(1, TPixel32::Red)};
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m_colors = TSpectrumParamP(tArrayCount(colors), colors);
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bool ret = m_colors->isKeyframe(0);
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bindParam(this, "colors", m_colors);
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ret = getParams()->getParam(0)->isKeyframe(0);
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addInputPort("Source", m_input);
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}
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~MultiToneFx(){};
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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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return m_input->doGetBBox(frame, bBox, info);
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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 doCompute(TTile &tile, double frame, const TRenderSettings &);
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bool canHandle(const TRenderSettings &info, double frame) { return true; }
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};
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template <typename PIXEL, typename PIXELGRAY, typename CHANNEL_TYPE>
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void doMultiTone(const TRasterPT<PIXEL> &ras, const TSpectrumT<PIXEL> &spectrum)
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{
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double aux = (double)PIXEL::maxChannelValue;
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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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CHANNEL_TYPE reference;
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double s;
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reference = PIXELGRAY::from(*pix).value;
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s = reference / aux;
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if (pix->m == aux) {
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*pix = spectrum.getPremultipliedValue(s);
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} else {
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PIXEL tmp = spectrum.getPremultipliedValue(s);
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s = pix->m / aux;
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tmp.r = (CHANNEL_TYPE)(tmp.r * s);
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tmp.g = (CHANNEL_TYPE)(tmp.g * s);
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tmp.b = (CHANNEL_TYPE)(tmp.b * s);
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tmp.m = (CHANNEL_TYPE)(tmp.m * s);
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*pix = tmp;
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}
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}
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pix++;
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}
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}
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ras->unlock();
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}
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//------------------------------------------------------------------------------
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void MultiToneFx::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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m_input->compute(tile, frame, ri);
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if (TRaster32P raster32 = tile.getRaster())
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doMultiTone<TPixel32, TPixelGR8, UCHAR>(
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raster32, m_colors->getValue(frame));
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else if (TRaster64P raster64 = tile.getRaster())
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doMultiTone<TPixel64, TPixelGR16, USHORT>(
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raster64, m_colors->getValue64(frame));
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else
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throw TException("MultiToneFx: unsupported Pixel Type");
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}
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//------------------------------------------------------------------
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FX_PLUGIN_IDENTIFIER(MultiToneFx, "multiToneFx")
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