132 lines
3.2 KiB
C++
132 lines
3.2 KiB
C++
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//#include "trop.h"
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#include "tfxparam.h"
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#include <math.h>
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#include "stdfx.h"
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#include "tparamset.h"
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class RGBKeyFx : public TStandardRasterFx
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{
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FX_PLUGIN_DECLARATION(RGBKeyFx)
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TRasterFxPort m_input;
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TPixelParamP m_color;
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TDoubleParamP m_rrange;
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TDoubleParamP m_grange;
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TDoubleParamP m_brange;
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TBoolParamP m_gender;
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public:
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RGBKeyFx()
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: m_color(TPixel32::Black), m_rrange(0.0), m_grange(0.0), m_brange(0.0), m_gender(false)
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{
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bindParam(this, "color", m_color);
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bindParam(this, "r_range", m_rrange);
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bindParam(this, "g_range", m_grange);
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bindParam(this, "b_range", m_brange);
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bindParam(this, "invert", m_gender);
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m_rrange->setValueRange(0.0, 255.0);
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m_grange->setValueRange(0.0, 255.0);
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m_brange->setValueRange(0.0, 255.0);
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addInputPort("Source", m_input);
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}
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~RGBKeyFx(){};
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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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return true;
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}
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return false;
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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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namespace
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{
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void update_param(int ¶m, TRaster32P ras)
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{
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return;
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}
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void update_param(int ¶m, TRaster64P ras)
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{
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param = param * 257;
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return;
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}
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}
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//-------------------------------------------------------------------
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template <typename PIXEL, typename CHANNEL_TYPE>
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void doRGBKey(TRasterPT<PIXEL> ras, int highR, int highG, int highB,
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int lowR, int lowG, int lowB, bool gender)
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{
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update_param(highR, ras);
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update_param(highG, ras);
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update_param(highB, ras);
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update_param(lowR, ras);
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update_param(lowG, ras);
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update_param(lowB, ras);
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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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bool condition = pix->r >= lowR && pix->r <= highR && pix->g >= lowG && pix->g <= highG && pix->b >= lowB && pix->b <= highB;
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if (condition != gender)
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*pix = PIXEL::Transparent;
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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 RGBKeyFx::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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int r_range = (int)m_rrange->getValue(frame);
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int g_range = (int)m_grange->getValue(frame);
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int b_range = (int)m_brange->getValue(frame);
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bool gender = (int)m_gender->getValue();
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const TPixel32 Color = m_color->getPremultipliedValue(frame);
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TRaster32P raster32 = tile.getRaster();
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int lowR = tmax(0, Color.r - r_range);
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int highR = tmin(255, Color.r + r_range);
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int lowG = tmax(0, Color.g - g_range);
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int highG = tmin(255, Color.g + g_range);
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int lowB = tmax(0, Color.b - b_range);
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int highB = tmin(255, Color.b + b_range);
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if (raster32)
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doRGBKey<TPixel32, UCHAR>(raster32, highR, highG, highB, lowR, lowG, lowB, gender);
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else {
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TRaster64P raster64 = tile.getRaster();
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if (raster64)
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doRGBKey<TPixel64, USHORT>(raster64, highR, highG, highB, lowR, lowG, lowB, gender);
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else
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throw TException("RGBKeyFx: unsupported Pixel Type");
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}
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}
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//------------------------------------------------------------------
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FX_PLUGIN_IDENTIFIER(RGBKeyFx, "rgbKeyFx")
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