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Toshihiro Shimizu |
890ddd |
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Toshihiro Shimizu |
890ddd |
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Toshihiro Shimizu |
890ddd |
#include "stdfx.h"
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Toshihiro Shimizu |
890ddd |
#include "tfxparam.h"
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Toshihiro Shimizu |
890ddd |
#include "tpixelutils.h"
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Toshihiro Shimizu |
890ddd |
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Shinya Kitaoka |
120a6e |
class Bright_ContFx : public TStandardRasterFx {
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Shinya Kitaoka |
120a6e |
FX_PLUGIN_DECLARATION(Bright_ContFx)
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Toshihiro Shimizu |
890ddd |
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Shinya Kitaoka |
120a6e |
TRasterFxPort m_input;
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Shinya Kitaoka |
120a6e |
TDoubleParamP m_bright;
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Shinya Kitaoka |
120a6e |
TDoubleParamP m_contrast;
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Toshihiro Shimizu |
890ddd |
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Toshihiro Shimizu |
890ddd |
public:
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Shinya Kitaoka |
120a6e |
Bright_ContFx() : m_bright(0.0), m_contrast(0.0) {
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Shinya Kitaoka |
120a6e |
bindParam(this, "brightness", m_bright);
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Shinya Kitaoka |
120a6e |
bindParam(this, "contrast", m_contrast);
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Shinya Kitaoka |
120a6e |
m_bright->setValueRange(-127, 127);
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Shinya Kitaoka |
120a6e |
m_contrast->setValueRange(-127, 127);
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Shinya Kitaoka |
120a6e |
addInputPort("Source", m_input);
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Shinya Kitaoka |
120a6e |
}
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Shinya Kitaoka |
120a6e |
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Shinya Kitaoka |
120a6e |
~Bright_ContFx(){};
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Shinya Kitaoka |
120a6e |
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Shinya Kitaoka |
473e70 |
bool canHandle(const TRenderSettings &info, double frame) override { return true; }
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Shinya Kitaoka |
120a6e |
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Shinya Kitaoka |
473e70 |
bool doGetBBox(double frame, TRectD &bBox, const TRenderSettings &info) override {
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Shinya Kitaoka |
120a6e |
if (!m_input.isConnected()) {
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Shinya Kitaoka |
120a6e |
bBox = TRectD();
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Shinya Kitaoka |
120a6e |
return false;
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Shinya Kitaoka |
120a6e |
}
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Shinya Kitaoka |
120a6e |
return m_input->doGetBBox(frame, bBox, info);
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Shinya Kitaoka |
120a6e |
};
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Shinya Kitaoka |
120a6e |
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Shinya Kitaoka |
473e70 |
void doCompute(TTile &tile, double frame, const TRenderSettings &) override;
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Toshihiro Shimizu |
890ddd |
};
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Toshihiro Shimizu |
890ddd |
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Toshihiro Shimizu |
890ddd |
//===================================================================
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Toshihiro Shimizu |
890ddd |
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Toshihiro Shimizu |
890ddd |
template <typename pixel,="" t="" typename=""></typename>
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Shinya Kitaoka |
120a6e |
void my_compute_lut(double contrast, double brightness, std::vector<t> &lut) {</t>
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Shinya Kitaoka |
120a6e |
int i;
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Shinya Kitaoka |
120a6e |
double value, nvalue, power;
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Shinya Kitaoka |
120a6e |
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Shinya Kitaoka |
120a6e |
int half_maxChannelValue = tfloor(PIXEL::maxChannelValue / 2.0);
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Shinya Kitaoka |
120a6e |
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Shinya Kitaoka |
120a6e |
int lutSize = PIXEL::maxChannelValue + 1;
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Shinya Kitaoka |
120a6e |
for (i = 0; i < lutSize; i++) {
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Shinya Kitaoka |
120a6e |
value = i / double(PIXEL::maxChannelValue);
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Shinya Kitaoka |
120a6e |
/*brightness*/
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Shinya Kitaoka |
120a6e |
if (brightness < 0.0)
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Shinya Kitaoka |
120a6e |
value = value * (1.0 + brightness);
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Shinya Kitaoka |
120a6e |
else
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Shinya Kitaoka |
120a6e |
value = value + ((1.0 - value) * brightness);
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Shinya Kitaoka |
120a6e |
/*contrast*/
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Shinya Kitaoka |
120a6e |
if (contrast < 0.0) {
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Shinya Kitaoka |
120a6e |
if (value > 0.5)
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Shinya Kitaoka |
120a6e |
nvalue = 1.0 - value;
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Shinya Kitaoka |
120a6e |
else
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Shinya Kitaoka |
120a6e |
nvalue = value;
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Shinya Kitaoka |
120a6e |
if (nvalue < 0.0) nvalue = 0.0;
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Shinya Kitaoka |
120a6e |
nvalue = 0.5 * pow(nvalue * 2.0, (double)(1.0 + contrast));
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Shinya Kitaoka |
120a6e |
if (value > 0.5)
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Shinya Kitaoka |
120a6e |
value = 1.0 - nvalue;
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Shinya Kitaoka |
120a6e |
else
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Shinya Kitaoka |
120a6e |
value = nvalue;
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Shinya Kitaoka |
120a6e |
} else {
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Shinya Kitaoka |
120a6e |
if (value > 0.5)
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Shinya Kitaoka |
120a6e |
nvalue = 1.0 - value;
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Shinya Kitaoka |
120a6e |
else
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Shinya Kitaoka |
120a6e |
nvalue = value;
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Shinya Kitaoka |
120a6e |
if (nvalue < 0.0) nvalue = 0.0;
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Shinya Kitaoka |
120a6e |
power = (contrast == 1.0) ? half_maxChannelValue : 1.0 / (1.0 - contrast);
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Shinya Kitaoka |
120a6e |
nvalue = 0.5 * pow(2.0 * nvalue, power);
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Shinya Kitaoka |
120a6e |
if (value > 0.5)
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Shinya Kitaoka |
120a6e |
value = 1.0 - nvalue;
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Shinya Kitaoka |
120a6e |
else
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Shinya Kitaoka |
120a6e |
value = nvalue;
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Shinya Kitaoka |
120a6e |
}
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Shinya Kitaoka |
120a6e |
lut[i] = (int)(value * PIXEL::maxChannelValue);
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Shinya Kitaoka |
120a6e |
}
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Toshihiro Shimizu |
890ddd |
}
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Toshihiro Shimizu |
890ddd |
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Toshihiro Shimizu |
890ddd |
template <typename channel_type="" pixel,="" typename=""></typename>
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Shinya Kitaoka |
120a6e |
void doBrightnessContrast(TRasterPT<pixel> ras, double contrast,</pixel>
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Shinya Kitaoka |
120a6e |
double brightness) {
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Shinya Kitaoka |
120a6e |
int lx = ras->getLx();
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Shinya Kitaoka |
120a6e |
int ly = ras->getLy();
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Shinya Kitaoka |
120a6e |
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Shinya Kitaoka |
120a6e |
std::vector<channel_type> lut(PIXEL::maxChannelValue + 1);</channel_type>
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Shinya Kitaoka |
120a6e |
my_compute_lut<pixel, channel_type="">(contrast, brightness, lut);</pixel,>
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Shinya Kitaoka |
120a6e |
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Shinya Kitaoka |
120a6e |
int j;
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Shinya Kitaoka |
120a6e |
ras->lock();
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Shinya Kitaoka |
120a6e |
for (j = 0; j < ly; j++) {
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Shinya Kitaoka |
120a6e |
PIXEL *pix = ras->pixels(j);
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Shinya Kitaoka |
120a6e |
PIXEL *endPix = pix + lx;
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Shinya Kitaoka |
120a6e |
while (pix < endPix) {
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Shinya Kitaoka |
120a6e |
if (pix->m) {
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Shinya Kitaoka |
120a6e |
*pix = depremultiply(*pix);
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Shinya Kitaoka |
120a6e |
pix->r = lut[pix->r];
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Shinya Kitaoka |
120a6e |
pix->g = lut[pix->g];
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Shinya Kitaoka |
120a6e |
pix->b = lut[pix->b];
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Shinya Kitaoka |
120a6e |
pix->m = pix->m;
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Shinya Kitaoka |
120a6e |
*pix = premultiply(*pix);
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Shinya Kitaoka |
120a6e |
}
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Shinya Kitaoka |
120a6e |
pix++;
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Shinya Kitaoka |
120a6e |
}
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Shinya Kitaoka |
120a6e |
}
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Shinya Kitaoka |
120a6e |
ras->unlock();
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Toshihiro Shimizu |
890ddd |
}
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Toshihiro Shimizu |
890ddd |
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Shinya Kitaoka |
120a6e |
void Bright_ContFx::doCompute(TTile &tile, double frame,
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Shinya Kitaoka |
120a6e |
const TRenderSettings &ri) {
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Shinya Kitaoka |
120a6e |
if (!m_input.isConnected()) return;
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Shinya Kitaoka |
120a6e |
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Shinya Kitaoka |
120a6e |
m_input->compute(tile, frame, ri);
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Shinya Kitaoka |
120a6e |
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Shinya Kitaoka |
120a6e |
double brightness = m_bright->getValue(frame) / 127.0;
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Shinya Kitaoka |
120a6e |
double contrast = m_contrast->getValue(frame) / 127.0;
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Shinya Kitaoka |
120a6e |
if (contrast > 1) contrast = 1;
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Shinya Kitaoka |
120a6e |
if (contrast < -1) contrast = -1;
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Shinya Kitaoka |
120a6e |
TRaster32P raster32 = tile.getRaster();
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Shinya Kitaoka |
120a6e |
if (raster32)
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Shinya Kitaoka |
120a6e |
doBrightnessContrast<tpixel32, uchar="">(raster32, contrast, brightness);</tpixel32,>
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Shinya Kitaoka |
120a6e |
else {
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Shinya Kitaoka |
120a6e |
TRaster64P raster64 = tile.getRaster();
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Shinya Kitaoka |
120a6e |
if (raster64)
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Shinya Kitaoka |
120a6e |
doBrightnessContrast<tpixel64, ushort="">(raster64, contrast, brightness);</tpixel64,>
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Shinya Kitaoka |
120a6e |
else
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Shinya Kitaoka |
120a6e |
throw TException("Brightness&Contrast: unsupported Pixel Type");
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Shinya Kitaoka |
120a6e |
}
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Toshihiro Shimizu |
890ddd |
}
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Toshihiro Shimizu |
890ddd |
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Toshihiro Shimizu |
890ddd |
FX_PLUGIN_IDENTIFIER(Bright_ContFx, "brightContFx")
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