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Issue 2134: removed obsolete raw highlight preservation setting from GUI (still left in procparams for backwards compatilibility)

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torger
2015-07-10 12:00:36 +02:00
commit d5ca351c20
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rtengine/utils.cc Normal file
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/*
* This file is part of RawTherapee.
*
* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.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 <cmath>
#include <cstring>
#include <cstdio>
#include "rt_math.h"
#include "utils.h"
#include "rt_math.h"
using namespace std;
namespace rtengine {
void bilinearInterp (const unsigned char* src, int sw, int sh, unsigned char* dst, int dw, int dh) {
int ix = 0;
for (int i=0; i<dh; i++) {
int sy = i*sh/dh;
if (sy>=sh) sy = sh-1;
double dy = (double)i*sh/dh - sy;
int ny = sy+1;
if (ny>=sh) ny = sy;
int or1 = 3*sw*sy;
int or2 = 3*sw*ny;
for (int j=0; j<dw; j++) {
int sx = j*sw/dw;
if (sx>=sw) sx = sw;
double dx = (double)j*sw/dw - sx;
int nx = sx+1;
if (nx>=sw) nx = sx;
int ofs11 = or1 + 3*sx;
int ofs12 = or1 + 3*nx;
int ofs21 = or2 + 3*sx;
int ofs22 = or2 + 3*nx;
unsigned int val = src[ofs11]*(1-dx)*(1-dy) + src[ofs12]*dx*(1-dy) + src[ofs21]*(1-dx)*dy + src[ofs22]*dx*dy;
dst[ix++] = val;
ofs11++; ofs12++; ofs21++; ofs22++;
val = src[ofs11]*(1-dx)*(1-dy) + src[ofs12]*dx*(1-dy) + src[ofs21]*(1-dx)*dy + src[ofs22]*dx*dy;
dst[ix++] = val;
ofs11++; ofs12++; ofs21++; ofs22++;
val = src[ofs11]*(1-dx)*(1-dy) + src[ofs12]*dx*(1-dy) + src[ofs21]*(1-dx)*dy + src[ofs22]*dx*dy;
dst[ix++] = val;
}
}
}
void nearestInterp (const unsigned char* src, int sw, int sh, unsigned char* dst, int dw, int dh) {
int ix = 0;
for (int i=0; i<dh; i++) {
int rofs = sw * (i * sh / dh);
for (int j=0; j<dw; j++) {
int dx = rofs + j * sw / dw;
dx *= 3;
dst[ix++] = src[dx++];
dst[ix++] = src[dx++];
dst[ix++] = src[dx++];
}
}
}
void rotate (unsigned char* img, int& w, int& h, int deg) {
if (deg==0) {
return;
}
unsigned char* rotated = new unsigned char[3*w*h];
int ix = 0;
if (deg==90) {
for (int i=0; i<h; i++)
for (int j=0; j<w; j++) {
rotated[3*(j*h+h-i-1)+0] = img[ix++];
rotated[3*(j*h+h-i-1)+1] = img[ix++];
rotated[3*(j*h+h-i-1)+2] = img[ix++];
}
int tmp = w;
w = h;
h = tmp;
}
else if (deg==270) {
for (int i=0; i<h; i++)
for (int j=0; j<w; j++) {
rotated[3*(h*(w-j-1)+i)+0] = img[ix++];
rotated[3*(h*(w-j-1)+i)+1] = img[ix++];
rotated[3*(h*(w-j-1)+i)+2] = img[ix++];
}
int tmp = w;
w = h;
h = tmp;
}
else if (deg==180)
for (int i=0; i<h; i++)
for (int j=0; j<w; j++) {
rotated[3*(w*(h-i-1)+w-j-1)+0] = img[ix++];
rotated[3*(w*(h-i-1)+w-j-1)+1] = img[ix++];
rotated[3*(w*(h-i-1)+w-j-1)+2] = img[ix++];
}
memcpy (img, rotated, 3*w*h);
delete [] rotated;
}
void hflip (unsigned char* img, int w, int h) {
unsigned char* flipped = new unsigned char[3*w*h];
int ix = 0;
for (int i=0; i<h; i++)
for (int j=0; j<w; j++) {
flipped[3*(w*i+w-1-j)+0] = img[ix++];
flipped[3*(w*i+w-1-j)+1] = img[ix++];
flipped[3*(w*i+w-1-j)+2] = img[ix++];
}
memcpy (img, flipped, 3*w*h);
delete [] flipped;
}
void vflip (unsigned char* img, int w, int h) {
unsigned char* flipped = new unsigned char[3*w*h];
int ix = 0;
for (int i=0; i<h; i++)
for (int j=0; j<w; j++) {
flipped[3*(w*(h-1-i)+j)+0] = img[ix++];
flipped[3*(w*(h-1-i)+j)+1] = img[ix++];
flipped[3*(w*(h-1-i)+j)+2] = img[ix++];
}
memcpy (img, flipped, 3*w*h);
delete [] flipped;
}
}