101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
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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 "tspectrumparam.h"
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#include "tparamuiconcept.h"
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class DiamondGradientFx : public TStandardZeraryFx
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{
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FX_PLUGIN_DECLARATION(DiamondGradientFx)
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TSpectrumParamP m_colors;
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TDoubleParamP m_size;
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public:
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DiamondGradientFx()
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: m_size(100.0)
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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(0.2, TPixel32::Yellow),
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TSpectrum::ColorKey(0.4, TPixel32::Blue),
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TSpectrum::ColorKey(0.6, TPixel32::Green),
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TSpectrum::ColorKey(0.8, TPixel32::Magenta),
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TSpectrum::ColorKey(1, TPixel32::Red)};
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m_colors = TSpectrumParamP(tArrayCount(colors), colors);
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m_size->setMeasureName("fxLength");
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bindParam(this, "colors", m_colors);
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bindParam(this, "size", m_size);
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}
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~DiamondGradientFx(){};
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bool doGetBBox(double, TRectD &bBox, const TRenderSettings &info)
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{
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bBox = TConsts::infiniteRectD;
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return true;
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};
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void doCompute(TTile &tile, double frame, const TRenderSettings &ri);
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bool canHandle(const TRenderSettings &info, double frame) { return false; }
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void getParamUIs(TParamUIConcept *&concepts, int &length)
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{
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concepts = new TParamUIConcept[length = 1];
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concepts[0].m_type = TParamUIConcept::RADIUS;
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concepts[0].m_label = "Size";
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concepts[0].m_params.push_back(m_size);
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}
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};
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template <typename PIXEL>
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void doDiamondGradient(const TRasterPT<PIXEL> &ras, const TSpectrumT<PIXEL> &spectrum, TPointD &tilepos, double size)
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{
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PIXEL outpixel = spectrum.getPremultipliedValue(1.);
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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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TPointD pos = tilepos;
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pos.y += j;
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double fy = fabs(pos.y) / size;
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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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double s;
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double fx = fabs(pos.x) / size;
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if ((fx * fy) < 1) {
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s = fx * fy;
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*pix++ = spectrum.getPremultipliedValue(s);
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} else
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*pix++ = outpixel;
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pos.x += 1.0;
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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 DiamondGradientFx::doCompute(TTile &tile, double frame, const TRenderSettings &ri)
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{
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double size = m_size->getValue(frame) * ri.m_affine.a11 / ri.m_shrinkX;
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TPointD pos = tile.m_pos;
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if (TRaster32P raster32 = tile.getRaster())
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doDiamondGradient<TPixel32>(
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raster32,
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m_colors->getValue(frame),
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pos, size);
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else if (TRaster64P raster64 = tile.getRaster())
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doDiamondGradient<TPixel64>(
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raster64,
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m_colors->getValue64(frame),
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pos, size);
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else
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throw TException("DiamondGradientFx: unsupported Pixel Type");
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}
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//==============================================================================
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FX_PLUGIN_IDENTIFIER(DiamondGradientFx, "diamondGradientFx");
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