int HSLFilter::vibranceBias(double sat, double hue, double vib, bool sixteenbit)
{
double ratio;
int localsat;
double normalized_hue = hue / (sixteenbit ? 65535.0: 255.0);
if (normalized_hue>0.85 || normalized_hue <0.2)
{
ratio = 0.3;
}
else
{
ratio = 1.0;
}
localsat = lround((sat * (100.0 + vib*ratio)) / 100.0 );
if (sixteenbit)
{
return(CLAMP065535(localsat));
}
else
{
return(CLAMP0255(localsat));
}
}
void HSLFilter::setSaturation(double val)
{
val = CLAMP(val, -100.0, 100.0);
int value;
for (int i = 0; i < 65536; ++i)
{
value = lround( (i * (100.0 + val)) / 100.0 );
d->stransfer16[i] = CLAMP065535(value);
}
for (int i = 0; i < 256; ++i)
{
value = lround( (i * (100.0 + val)) / 100.0 );
d->stransfer[i] = CLAMP0255(value);
}
}
void BCGFilter::applyBCG(uchar* const bits, uint width, uint height, bool sixteenBits)
{
if (!bits)
{
return;
}
uint size = width * height;
int progress;
if (!sixteenBits) // 8 bits image.
{
uchar* data = bits;
for (uint i = 0; runningFlag() && (i < size); ++i)
{
switch (d->settings.channel)
{
case BlueChannel:
data[0] = CLAMP0255(d->map[data[0]]);
break;
case GreenChannel:
data[1] = CLAMP0255(d->map[data[1]]);
break;
case RedChannel:
data[2] = CLAMP0255(d->map[data[2]]);
break;
default: // all channels
data[0] = CLAMP0255(d->map[data[0]]);
data[1] = CLAMP0255(d->map[data[1]]);
data[2] = CLAMP0255(d->map[data[2]]);
break;
}
data += 4;
progress = (int)(((double)i * 100.0) / size);
if (progress % 5 == 0)
{
postProgress(progress);
}
}
}
else // 16 bits image.
{
ushort* data = reinterpret_cast<ushort*>(bits);
for (uint i = 0; runningFlag() && (i < size); ++i)
{
switch (d->settings.channel)
{
case BlueChannel:
data[0] = CLAMP065535(d->map16[data[0]]);
break;
case GreenChannel:
data[1] = CLAMP065535(d->map16[data[1]]);
break;
case RedChannel:
data[2] = CLAMP065535(d->map16[data[2]]);
break;
default: // all channels
data[0] = CLAMP065535(d->map16[data[0]]);
data[1] = CLAMP065535(d->map16[data[1]]);
data[2] = CLAMP065535(d->map16[data[2]]);
break;
}
data += 4;
progress = (int)(((double)i * 100.0) / size);
if (progress % 5 == 0)
{
postProgress(progress);
}
}
}
}
