rawTherapee/rtengine/pdaflinesfilter.cc

123 lines
4.8 KiB
C++

/* -*- C++ -*-
*
* This file is part of RawTherapee.
*
* Copyright (c) 2017 Alberto Griggio <alberto.griggio@gmail.com>
*
* RawTherapee is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* RawTherapee is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
*/
#include "pdaflinesfilter.h"
#include "settings.h"
#include <iostream>
namespace rtengine {
extern const Settings *settings;
PDAFLinesFilter::PDAFLinesFilter(RawImage *ri):
ri_(ri),
W_(ri->get_width()),
H_(ri->get_height())
{
if (ri_->get_maker() == "Sony") {
if (ri_->get_model() == "ILCE-7M3") {
// A7III, from https://www.dpreview.com/forums/post/60843139
// in the original post:
// P 5 P 17 P 11 P 11 P 17 P 11 P 5 P 11 P 11 P 11 P 17 P 11 P 5 P 11 P 11 P 17 P 5 P 11 P 17 P 5 P 17 P 5 P 11 P 11 P 11 P 17 P 5 P 11 P 11 P 11 P 5 P 17 P 5 P 17 P 11
//
// rotated to match the start of the frame
// P 11 P 11 P 11 P 17 P 11 P 5 P 11 P 11 P 17 P 5 P 11 P 17 P 5 P 17 P 5 P 11 P 11 P 11 P 17 P 5 P 11 P 11 P 11 P 5 P 17 P 5 P 17 P 11 P 5 P 17 P 11 P 11 P 17 P 11 P 5
pattern_ = {
0, 12, 24, 36, 54, 66, 72, 84, 96, 114, 120, 132, 150, 156, 174, 180, 192, 204, 216, 234, 240, 252, 264, 276, 282, 300, 306, 324, 336, 342, 360, 372, 384, 402, 414, 420
};
offset_ = 9;
} else if (ri_->get_model() == "ILCE-6000") {
// detected by hand, using the picture from https://www.dpreview.com/forums/thread/3923513
// P 11 P 23 P 17 P 17 P 17 P 23 P 11 P 17 P 17 P 17 P 23 P 11 P 23 P 11 P 17 P 23 P 11 P 17 P 17 P 23 P 17 P 11 P 17 P 17 P 17 P 23 P 17 P 11 P 17 P 17 P 23 P 11 P 17 P 11 P 23
pattern_ = {
0, 12, 36, 54, 72, 90, 114, 126, 144, 162, 180, 204, 216, 240, 252, 270, 294, 306, 324, 342, 366, 384, 396, 414, 432, 450, 474, 492, 504, 522, 540, 564, 576, 594, 606, 630
};
offset_ = 3;
} else if (ri_->get_model() == "ILCE-9") {
// the A9 is the same as the A7III, rotated of 1 position
// source: https://www.dpreview.com/forums/post/60857788
// P 11 P 11 P 11 P 17 P 11 P 5 P 11 P 11 P 17 P 5 P 11 P 17 P 5 P 17 P 5 P 11 P 11 P 11 P 17 P 5 P 11 P 11 P 11 P 5 P 17 P 5 P 17 P 11 P 5 P 17 P 11 P 11 P 17 P 11 P 5
pattern_ = {
0, 12, 24, 36, 54, 66, 72, 84, 96, 114, 120, 132, 150, 156, 174, 180, 192, 204, 216, 234, 240, 252, 264, 276, 282, 300, 306, 324, 336, 342, 360, 372, 384, 402, 414, 420
};
offset_ = -7;
}
}
}
int PDAFLinesFilter::mark(array2D<float> &rawData, PixelsMap &bpMap)
{
if (pattern_.empty()) {
if (settings->verbose) {
std::cout << "no PDAF pattern known for " << ri_->get_maker() << " " << ri_->get_model() << std::endl;
}
return 0;
}
size_t idx = 0;
int off = offset_;
int found = 0;
for (int y = 1; y < H_-1; ++y) {
int yy = pattern_[idx] + off;
if (y == yy) {
int n = 0;
for (int x = 1; x < W_-1; ++x) {
if (ri_->FC(y, x) == 1) {
const float
g0 = rawData[y][x],
g1 = rawData[y-1][x+1],
g2 = rawData[y+1][x+1],
g3 = rawData[y-1][x-1],
g4 = rawData[y+1][x-1];
const float g = max(g0, g1, g2);
if (g > max(g3, g4)) {
int row = y;
if (g == g1) {
--row;
} else if (g == g2) {
++row;
}
bpMap.set(x, row);
bpMap.set(x-1, row);
bpMap.set(x+1, row);
n += 2;
}
}
}
found += n;
if (n && settings->verbose) {
std::cout << "marked " << n << " pixels in PDAF line at " << y << std::endl;
}
} else if (y > yy) {
++idx;
if (idx >= pattern_.size()) {
idx = 0;
off += pattern_.back();
}
}
}
return found;
}
} // namespace rtengine