52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
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#include "stdfx.h"
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#include "tfxparam.h"
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#include "trop.h"
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class GammaFx : public TStandardRasterFx {
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FX_PLUGIN_DECLARATION(GammaFx)
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TRasterFxPort m_input;
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TDoubleParamP m_gamma;
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public:
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GammaFx() : m_gamma(1.0) {
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bindParam(this, "value", m_gamma);
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addInputPort("Source", m_input);
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// m_gamma->setValueRange(0, std::numeric_limits<double>::max());
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m_gamma->setValueRange(0.0, 200.0);
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}
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~GammaFx(){};
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bool doGetBBox(double frame, TRectD &bBox, const TRenderSettings &info) {
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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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//-------------------------------------------------------------------
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void GammaFx::doCompute(TTile &tile, double frame, 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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double gamma = m_gamma->getValue(frame);
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if (gamma == 0.0) gamma = 0.01;
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TRop::gammaCorrect(tile.getRaster(), gamma);
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}
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//------------------------------------------------------------------
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FX_PLUGIN_IDENTIFIER(GammaFx, "gammaFx")
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