2016-03-19 06:57:51 +13:00
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#include "stdfx.h"
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#include "tfxparam.h"
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#include "tpixelutils.h"
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#include "tparamset.h"
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#include "ttonecurveparam.h"
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#include "tcurves.h"
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//===================================================================
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2016-06-15 18:43:10 +12:00
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namespace {
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int getCubicYfromX(TCubic c, int x, double &s0, double &s1) {
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double s = (s1 + s0) * 0.5;
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TPointD p = c.getPoint(s);
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if (areAlmostEqual(double(x), p.x, 0.001)) return tround(p.y);
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if (x < p.x)
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return getCubicYfromX(c, x, s0, s);
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else
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return getCubicYfromX(c, x, s, s1);
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2016-03-19 06:57:51 +13:00
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}
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2016-06-15 18:43:10 +12:00
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int getLinearYfromX(TSegment t, int x, double &s0, double &s1) {
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double s = (s1 + s0) * 0.5;
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TPointD p = t.getPoint(s);
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if (areAlmostEqual(double(x), p.x, 0.001)) return tround(p.y);
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if (x < p.x)
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return getLinearYfromX(t, x, s0, s);
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else
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return getLinearYfromX(t, x, s, s1);
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2016-03-19 06:57:51 +13:00
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}
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2020-03-16 14:37:10 +13:00
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void truncateSpeeds(double aFrame, double bFrame, TPointD &aSpeedTrunc,
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TPointD &bSpeedTrunc) {
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double deltaX = bFrame - aFrame;
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if (aSpeedTrunc.x < 0) aSpeedTrunc.x = 0;
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if (bSpeedTrunc.x > 0) bSpeedTrunc.x = 0;
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if (aFrame + aSpeedTrunc.x > bFrame) {
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if (aSpeedTrunc.x != 0) {
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aSpeedTrunc = aSpeedTrunc * (deltaX / aSpeedTrunc.x);
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}
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}
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if (bFrame + bSpeedTrunc.x < aFrame) {
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if (bSpeedTrunc.x != 0) {
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bSpeedTrunc = -bSpeedTrunc * (deltaX / bSpeedTrunc.x);
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}
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}
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}
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2016-03-19 06:57:51 +13:00
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template <typename PIXEL, typename T>
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2016-06-15 18:43:10 +12:00
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void fill_lut(QList<TPointD> points, std::vector<T> &lut, bool isLinear) {
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int i;
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TPointD p0 = points.at(0);
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TCubic cubic;
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TSegment segment;
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double s0 = 0.0;
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for (i = 1; i < points.size(); i++) {
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TPointD p1 = points.at(i);
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TPointD p2 = points.at(++i);
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TPointD p3 = points.at(++i);
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if (!isLinear) {
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2020-03-16 14:37:10 +13:00
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// truncate speed
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TPointD aSpeed(p1 - p0);
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TPointD bSpeed(p2 - p3);
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truncateSpeeds(p0.x, p3.x, aSpeed, bSpeed);
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2016-06-15 18:43:10 +12:00
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cubic.setP0(p0);
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2020-03-16 14:37:10 +13:00
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cubic.setP1(p0 + aSpeed);
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cubic.setP2(p3 + bSpeed);
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2016-06-15 18:43:10 +12:00
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cubic.setP3(p3);
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int x = (int)p0.x;
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while (x < 0) x++;
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while (x < p3.x && x < PIXEL::maxChannelValue + 1) {
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double s1 = 1.0;
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int y = getCubicYfromX(cubic, x, s0, s1);
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2020-03-16 14:37:10 +13:00
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if (y > PIXEL::maxChannelValue)
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2016-06-15 18:43:10 +12:00
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y = PIXEL::maxChannelValue;
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else if (y < 0)
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2020-03-16 14:37:10 +13:00
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y = 0;
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2016-06-15 18:43:10 +12:00
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lut[x] = y;
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x++;
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}
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} else {
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segment.setP0(p0);
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segment.setP1(p3);
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int x = (int)p0.x;
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while (x < 0) x++;
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while (x < p3.x && x < PIXEL::maxChannelValue + 1) {
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double s1 = 1.0;
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int y = getLinearYfromX(segment, x, s0, s1);
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2020-03-16 14:37:10 +13:00
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if (y > PIXEL::maxChannelValue)
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2016-06-15 18:43:10 +12:00
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y = PIXEL::maxChannelValue;
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else if (y < 0)
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2020-03-16 14:37:10 +13:00
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y = 0;
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2016-06-15 18:43:10 +12:00
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lut[x] = y;
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x++;
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}
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}
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p0 = p3;
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}
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2016-03-19 06:57:51 +13:00
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}
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2016-06-15 18:43:10 +12:00
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} // Namespace
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2016-03-19 06:57:51 +13:00
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//===================================================================
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2016-06-29 18:17:12 +12:00
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class ToneCurveFx final : public TStandardRasterFx {
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2016-06-15 18:43:10 +12:00
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FX_PLUGIN_DECLARATION(ToneCurveFx)
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2016-03-19 06:57:51 +13:00
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2016-06-15 18:43:10 +12:00
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TRasterFxPort m_input;
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TToneCurveParamP m_toneCurve;
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2016-03-19 06:57:51 +13:00
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public:
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2016-06-15 18:43:10 +12:00
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ToneCurveFx() : m_toneCurve(new TToneCurveParam()) {
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bindParam(this, "curve", m_toneCurve);
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addInputPort("Source", m_input);
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}
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~ToneCurveFx(){};
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2016-06-20 14:23:05 +12:00
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bool canHandle(const TRenderSettings &info, double frame) override {
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return true;
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}
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2016-06-15 18:43:10 +12:00
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2016-06-20 14:23:05 +12:00
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bool doGetBBox(double frame, TRectD &bBox,
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const TRenderSettings &info) override {
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2016-06-15 18:43:10 +12:00
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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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2016-06-19 20:06:29 +12:00
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void doCompute(TTile &tile, double frame, const TRenderSettings &ri) override;
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2016-03-19 06:57:51 +13:00
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};
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//-------------------------------------------------------------------
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2016-06-15 18:43:10 +12:00
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namespace {
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void update_param(double ¶m, TRaster32P ras) { return; }
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2016-03-19 06:57:51 +13:00
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2016-06-15 18:43:10 +12:00
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void update_param(double ¶m, TRaster64P ras) {
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param = param * 257;
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return;
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2016-03-19 06:57:51 +13:00
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}
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2016-06-15 18:43:10 +12:00
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QList<TPointD> getParamSetPoints(const TParamSet *paramSet, int frame) {
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QList<TPointD> points;
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int i;
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for (i = 0; i < paramSet->getParamCount(); i++) {
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TPointParamP pointParam = paramSet->getParam(i);
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TPointD point = pointParam->getValue(frame);
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int x = (int)point.x;
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int y = (int)point.y;
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points.push_back(TPointD(x, y));
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}
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return points;
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2016-03-19 06:57:51 +13:00
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}
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2020-03-16 14:37:10 +13:00
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} // namespace
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2016-03-19 06:57:51 +13:00
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//-------------------------------------------------------------------
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template <typename PIXEL, typename CHANNEL_TYPE>
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2016-06-15 18:43:10 +12:00
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void doToneCurveFx(TRasterPT<PIXEL> ras, double frame,
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const TToneCurveParam *toneCurveParam) {
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QList<QList<TPointD>> pointsList;
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int e;
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for (e = 0; e < 6; e++) {
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TParamSet *paramSet =
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toneCurveParam->getParamSet(TToneCurveParam::ToneChannel(e))
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.getPointer();
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QList<TPointD> points = getParamSetPoints(paramSet, frame);
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pointsList.push_back(points);
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}
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bool isLinear = toneCurveParam->isLinear();
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int i, t;
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for (i = 0; i < pointsList.size(); i++) {
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QList<TPointD> &points = pointsList[i];
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for (t = 0; t < points.size(); t++) {
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TPointD &p = points[t];
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double &x = p.x;
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double &y = p.y;
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update_param(x, ras);
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update_param(y, ras);
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}
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}
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std::vector<CHANNEL_TYPE> rgbaLut(PIXEL::maxChannelValue + 1);
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std::vector<CHANNEL_TYPE> rgbLut(PIXEL::maxChannelValue + 1);
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std::vector<CHANNEL_TYPE> rLut(PIXEL::maxChannelValue + 1);
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std::vector<CHANNEL_TYPE> gLut(PIXEL::maxChannelValue + 1);
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std::vector<CHANNEL_TYPE> bLut(PIXEL::maxChannelValue + 1);
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std::vector<CHANNEL_TYPE> aLut(PIXEL::maxChannelValue + 1);
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fill_lut<PIXEL, CHANNEL_TYPE>(pointsList[0], rgbaLut, isLinear);
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fill_lut<PIXEL, CHANNEL_TYPE>(pointsList[1], rgbLut, isLinear);
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fill_lut<PIXEL, CHANNEL_TYPE>(pointsList[2], rLut, isLinear);
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fill_lut<PIXEL, CHANNEL_TYPE>(pointsList[3], gLut, isLinear);
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fill_lut<PIXEL, CHANNEL_TYPE>(pointsList[4], bLut, isLinear);
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fill_lut<PIXEL, CHANNEL_TYPE>(pointsList[5], aLut, isLinear);
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int lx = ras->getLx();
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int ly = ras->getLy();
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int j;
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ras->lock();
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for (j = 0; j < ly; j++) {
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PIXEL *pix = ras->pixels(j);
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PIXEL *endPix = pix + lx;
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while (pix < endPix) {
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if (pix->m != 0 && pix->m != PIXEL::maxChannelValue)
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*pix = depremultiply(*pix);
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pix->r = rLut[(int)(pix->r)];
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pix->g = gLut[(int)(pix->g)];
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pix->b = bLut[(int)(pix->b)];
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pix->m = aLut[(int)(pix->m)];
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pix->r = rgbLut[(int)(pix->r)];
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pix->g = rgbLut[(int)(pix->g)];
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pix->b = rgbLut[(int)(pix->b)];
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pix->r = rgbaLut[(int)(pix->r)];
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pix->g = rgbaLut[(int)(pix->g)];
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pix->b = rgbaLut[(int)(pix->b)];
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pix->m = rgbaLut[(int)(pix->m)];
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if (pix->m != 0 && pix->m != PIXEL::maxChannelValue)
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*pix = premultiply(*pix);
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pix++;
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}
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}
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ras->unlock();
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2016-03-19 06:57:51 +13:00
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}
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//-------------------------------------------------------------------
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2016-06-15 18:43:10 +12:00
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void ToneCurveFx::doCompute(TTile &tile, double frame,
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const TRenderSettings &ri) {
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if (!m_input.isConnected()) return;
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2016-03-19 06:57:51 +13:00
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2016-06-15 18:43:10 +12:00
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m_input->compute(tile, frame, ri);
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2016-03-19 06:57:51 +13:00
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2016-06-15 18:43:10 +12:00
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TRaster32P raster32 = tile.getRaster();
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2016-03-19 06:57:51 +13:00
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2016-06-15 18:43:10 +12:00
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if (raster32)
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doToneCurveFx<TPixel32, UCHAR>(raster32, frame, m_toneCurve.getPointer());
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else {
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TRaster64P raster64 = tile.getRaster();
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if (raster64)
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doToneCurveFx<TPixel64, USHORT>(raster64, frame,
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m_toneCurve.getPointer());
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else
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throw TException("Brightness&Contrast: unsupported Pixel Type");
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}
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2016-03-19 06:57:51 +13:00
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}
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FX_PLUGIN_IDENTIFIER(ToneCurveFx, "toneCurveFx");
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