adding files
This commit is contained in:
Emil Martinec
237
rtengine/imagefloat.cc
Normal file
237
rtengine/imagefloat.cc
Normal file
@@ -0,0 +1,237 @@
|
||||
/*
|
||||
* 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 <imagefloat.h>
|
||||
#include <image16.h>
|
||||
#include <image8.h>
|
||||
#include <string.h>
|
||||
#include <rtengine.h>
|
||||
|
||||
using namespace rtengine;
|
||||
|
||||
Imagefloat::Imagefloat ()
|
||||
: unaligned (NULL), data (NULL), r (NULL), g (NULL), b (NULL){
|
||||
}
|
||||
|
||||
Imagefloat::Imagefloat (int w, int h)
|
||||
: unaligned (NULL), width(w), height (h), data (NULL), r (NULL), g (NULL), b (NULL) {
|
||||
|
||||
allocate (w, h);
|
||||
}
|
||||
|
||||
Imagefloat::~Imagefloat () {
|
||||
|
||||
if (data!=NULL) {
|
||||
delete [] data;
|
||||
delete [] r;
|
||||
delete [] g;
|
||||
delete [] b;
|
||||
}
|
||||
}
|
||||
|
||||
void Imagefloat::allocate (int W, int H) {
|
||||
|
||||
width=W;
|
||||
height=H;
|
||||
|
||||
if (data!=NULL) {
|
||||
delete [] data;
|
||||
delete [] r;
|
||||
delete [] g;
|
||||
delete [] b;
|
||||
}
|
||||
|
||||
/*
|
||||
int lsize = width + 8 - width % 8;
|
||||
unaligned = new unsigned char[16 + 3 * lsize * sizeof(float) * height];
|
||||
memset(unaligned, 0, (16 + 3 * lsize * sizeof(float) * height) * sizeof(unsigned char));
|
||||
|
||||
uintptr_t poin = (uintptr_t)unaligned + 16 - (uintptr_t)unaligned % 16;
|
||||
data = (float*) (poin);
|
||||
*/
|
||||
r = new float*[height];
|
||||
g = new float*[height];
|
||||
b = new float*[height];
|
||||
|
||||
data = new float[W*H*3];
|
||||
rowstride = W;
|
||||
planestride = rowstride * H;
|
||||
|
||||
float * redstart = data + 0*planestride;
|
||||
float * greenstart = data + 1*planestride;
|
||||
float * bluestart = data + 2*planestride;
|
||||
|
||||
|
||||
for (int i=0; i<height; i++) {
|
||||
r[i] = (redstart + i*rowstride);
|
||||
g[i] = (greenstart + i*rowstride);
|
||||
b[i] = (bluestart + i*rowstride);
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
Imagefloat* Imagefloat::copy () {
|
||||
|
||||
Imagefloat* cp = new Imagefloat (width, height);
|
||||
|
||||
for (int i=0; i<height; i++) {
|
||||
memcpy (cp->r[i], r[i], width*sizeof(float));
|
||||
memcpy (cp->g[i], g[i], width*sizeof(float));
|
||||
memcpy (cp->b[i], b[i], width*sizeof(float));
|
||||
}
|
||||
|
||||
return cp;
|
||||
}
|
||||
|
||||
Imagefloat* Imagefloat::rotate (int deg) {
|
||||
|
||||
if (deg==90) {
|
||||
Imagefloat* result = new Imagefloat (height, width);
|
||||
for (int i=0; i<width; i++)
|
||||
for (int j=0; j<height; j++) {
|
||||
result->r[i][j] = r[height-1-j][i];
|
||||
result->g[i][j] = g[height-1-j][i];
|
||||
result->b[i][j] = b[height-1-j][i];
|
||||
}
|
||||
return result;
|
||||
}
|
||||
else if (deg==270) {
|
||||
Imagefloat* result = new Imagefloat (height, width);
|
||||
for (int i=0; i<width; i++)
|
||||
for (int j=0; j<height; j++) {
|
||||
result->r[i][j] = r[j][width-1-i];
|
||||
result->g[i][j] = g[j][width-1-i];
|
||||
result->b[i][j] = b[j][width-1-i];
|
||||
}
|
||||
return result;
|
||||
}
|
||||
else if (deg==180) {
|
||||
Imagefloat* result = new Imagefloat (width, height);
|
||||
for (int i=0; i<height; i++)
|
||||
for (int j=0; j<width; j++) {
|
||||
result->r[i][j] = r[height-1-i][width-1-j];
|
||||
result->g[i][j] = g[height-1-i][width-1-j];
|
||||
result->b[i][j] = b[height-1-i][width-1-j];
|
||||
}
|
||||
return result;
|
||||
}
|
||||
else
|
||||
return NULL;
|
||||
}
|
||||
|
||||
Imagefloat* Imagefloat::hflip () {
|
||||
|
||||
Imagefloat* result = new Imagefloat (width, height);
|
||||
for (int i=0; i<height; i++)
|
||||
for (int j=0; j<width; j++) {
|
||||
result->r[i][j] = r[i][width-1-j];
|
||||
result->g[i][j] = g[i][width-1-j];
|
||||
result->b[i][j] = b[i][width-1-j];
|
||||
}
|
||||
return result;
|
||||
|
||||
}
|
||||
|
||||
Imagefloat* Imagefloat::vflip () {
|
||||
|
||||
Imagefloat* result = new Imagefloat (width, height);
|
||||
for (int i=0; i<height; i++)
|
||||
for (int j=0; j<width; j++) {
|
||||
result->r[i][j] = r[height-1-i][j];
|
||||
result->g[i][j] = g[height-1-i][j];
|
||||
result->b[i][j] = b[height-1-i][j];
|
||||
}
|
||||
return result;
|
||||
|
||||
}
|
||||
|
||||
/*Imagefloat* Imagefloat::resize (int nw, int nh, TypeInterpolation interp) {
|
||||
|
||||
if (interp == TI_Nearest) {
|
||||
Imagefloat* res = new Imagefloat (nw, nh);
|
||||
for (int i=0; i<nh; i++) {
|
||||
int ri = i*height/nh;
|
||||
for (int j=0; j<nw; j++) {
|
||||
int ci = j*width/nw;
|
||||
res->r[i][j] = r[ri][ci];
|
||||
res->g[i][j] = g[ri][ci];
|
||||
res->b[i][j] = b[ri][ci];
|
||||
}
|
||||
}
|
||||
return res;
|
||||
}
|
||||
else if (interp == TI_Bilinear) {
|
||||
Imagefloat* res = new Imagefloat (nw, nh);
|
||||
for (int i=0; i<nh; i++) {
|
||||
int sy = i*height/nh;
|
||||
if (sy>=height) sy = height-1;
|
||||
double dy = (double)i*height/nh - sy;
|
||||
int ny = sy+1;
|
||||
if (ny>=height) ny = sy;
|
||||
for (int j=0; j<nw; j++) {
|
||||
int sx = j*width/nw;
|
||||
if (sx>=width) sx = width;
|
||||
double dx = (double)j*width/nw - sx;
|
||||
int nx = sx+1;
|
||||
if (nx>=width) nx = sx;
|
||||
res->r[i][j] = r[sy][sx]*(1-dx)*(1-dy) + r[sy][nx]*dx*(1-dy) + r[ny][sx]*(1-dx)*dy + r[ny][nx]*dx*dy;
|
||||
res->g[i][j] = g[sy][sx]*(1-dx)*(1-dy) + g[sy][nx]*dx*(1-dy) + g[ny][sx]*(1-dx)*dy + g[ny][nx]*dx*dy;
|
||||
res->b[i][j] = b[sy][sx]*(1-dx)*(1-dy) + b[sy][nx]*dx*(1-dy) + b[ny][sx]*(1-dx)*dy + b[ny][nx]*dx*dy;
|
||||
}
|
||||
}
|
||||
return res;
|
||||
}
|
||||
return NULL;
|
||||
}*/
|
||||
|
||||
Image8*
|
||||
Imagefloat::to8() const
|
||||
{
|
||||
Image8* img8 = new Image8(width,height);
|
||||
for ( int h = 0; h < height; ++h )
|
||||
{
|
||||
for ( int w = 0; w < width; ++w )
|
||||
{
|
||||
img8->r(h,w,((int)r[h][w]) >> 8);
|
||||
img8->g(h,w,((int)g[h][w]) >> 8);
|
||||
img8->b(h,w,((int)b[h][w]) >> 8);
|
||||
}
|
||||
}
|
||||
return img8;
|
||||
}
|
||||
|
||||
Image16*
|
||||
Imagefloat::to16() const
|
||||
{
|
||||
Image16* img16 = new Image16(width,height);
|
||||
for ( int h = 0; h < height; ++h )
|
||||
{
|
||||
for ( int w = 0; w < width; ++w )
|
||||
{
|
||||
img16->r[h][w] = ((int)r[h][w]) ;
|
||||
img16->g[h][w] = ((int)g[h][w]) ;
|
||||
img16->b[h][w] = ((int)b[h][w]) ;
|
||||
}
|
||||
}
|
||||
return img16;
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user