Renaming profile Tuned-1 to Highkey-1
This commit is contained in:
Michael Ezra
222
rtengine/utils.cc
Normal file
222
rtengine/utils.cc
Normal file
@@ -0,0 +1,222 @@
|
||||
/*
|
||||
* 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 "../rtengine/utils.h"
|
||||
#include <cmath>
|
||||
#include <cstring>
|
||||
#include <cstdio>
|
||||
|
||||
#undef MAX
|
||||
#undef MIN
|
||||
|
||||
#define MAX(a,b) ((a)<(b)?(b):(a))
|
||||
#define MIN(a,b) ((a)>(b)?(b):(a))
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
void rgb2hsv (int r, int g, int b, float &h, float &s, float &v) {
|
||||
|
||||
double var_R = r / 65535.0;
|
||||
double var_G = g / 65535.0;
|
||||
double var_B = b / 65535.0;
|
||||
|
||||
double var_Min = MIN(MIN(var_R,var_G),var_B);
|
||||
double var_Max = MAX(MAX(var_R,var_G),var_B);
|
||||
double del_Max = var_Max - var_Min;
|
||||
v = var_Max;
|
||||
if (fabs(del_Max)<0.00001) {
|
||||
h = 0;
|
||||
s = 0;
|
||||
}
|
||||
else {
|
||||
s = del_Max/var_Max;
|
||||
|
||||
if ( var_R == var_Max ) h = (var_G - var_B)/del_Max;
|
||||
else if ( var_G == var_Max ) h = 2.0 + (var_B - var_R)/del_Max;
|
||||
else if ( var_B == var_Max ) h = 4.0 + (var_R - var_G)/del_Max;
|
||||
h /= 6.0;
|
||||
|
||||
if ( h < 0 ) h += 1;
|
||||
if ( h > 1 ) h -= 1;
|
||||
}
|
||||
}
|
||||
|
||||
void hsv2rgb (float h, float s, float v, int &r, int &g, int &b) {
|
||||
|
||||
float h1 = h*6; // sector 0 to 5
|
||||
int i = floor( h1 );
|
||||
float f = h1 - i; // fractional part of h
|
||||
|
||||
float p = v * ( 1 - s );
|
||||
float q = v * ( 1 - s * f );
|
||||
float t = v * ( 1 - s * ( 1 - f ) );
|
||||
|
||||
float r1,g1,b1;
|
||||
|
||||
if (i==0) {r1 = v; g1 = t; b1 = p;}
|
||||
else if (i==1) {r1 = q; g1 = v; b1 = p;}
|
||||
else if (i==2) {r1 = p; g1 = v; b1 = t;}
|
||||
else if (i==3) {r1 = p; g1 = q; b1 = v;}
|
||||
else if (i==4) {r1 = t; g1 = p; b1 = v;}
|
||||
else if (i==5) {r1 = v; g1 = p; b1 = q;}
|
||||
|
||||
r = (int)( r1 * 65535);
|
||||
g = (int)( g1 * 65535);
|
||||
b = (int)( b1 * 65535);
|
||||
}
|
||||
|
||||
// The same function but set float values instead if int
|
||||
// Function copied for speed concerns
|
||||
void hsv2rgb (float h, float s, float v, float &r, float &g, float &b) {
|
||||
|
||||
float h1 = h*6; // sector 0 to 5
|
||||
int i = floor( h1 );
|
||||
float f = h1 - i; // fractional part of h
|
||||
|
||||
float p = v * ( 1 - s );
|
||||
float q = v * ( 1 - s * f );
|
||||
float t = v * ( 1 - s * ( 1 - f ) );
|
||||
|
||||
if (i==0) {r = v; g = t; b = p;}
|
||||
else if (i==1) {r = q; g = v; b = p;}
|
||||
else if (i==2) {r = p; g = v; b = t;}
|
||||
else if (i==3) {r = p; g = q; b = v;}
|
||||
else if (i==4) {r = t; g = p; b = v;}
|
||||
else if (i==5) {r = v; g = p; b = q;}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user