109 lines
2.5 KiB
C++
109 lines
2.5 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <image8.h>
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#include <rtengine.h>
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using namespace rtengine;
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Image8::Image8 ()
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: data(NULL), width(-1), height(-1) {
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}
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Image8::Image8 (int w, int h)
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: data(NULL), width(w), height (h) {
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allocate (w, h);
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}
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void Image8::allocate (int width, int height) {
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if (data!=NULL)
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delete [] data;
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data = new unsigned char [width * height * 3];
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this->width = width;
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this->height = height;
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}
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Image8::~Image8 () {
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if (data!=NULL)
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delete [] data;
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}
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void Image8::getScanline (int row, unsigned char* buffer, int bps) {
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if (data==NULL)
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return;
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if (bps==8)
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memcpy (buffer, data + row*width*3, width*3);
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else if (bps==16) {
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unsigned short* sbuffer = (unsigned short*) buffer;
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for (int i=0, ix = row*width*3; i<width*3; i++, ix++)
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sbuffer[i] = data[ix] << 8;
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}
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}
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void Image8::setScanline (int row, unsigned char* buffer, int bps) {
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if (data==NULL)
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return;
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if (bps==8)
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memcpy (data + row*width*3, buffer, width*3);
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else if (bps==16) {
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unsigned short* sbuffer = (unsigned short*) buffer;
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for (int i=0, ix = row*width*3; i<width*3; i++, ix++)
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data[ix] = sbuffer[i] >> 8;
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}
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}
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unsigned char Image8::r (int row, int col) {
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return data[3*(row*width+col)];
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}
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unsigned char Image8::g (int row, int col) {
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return data[3*(row*width+col)+1];
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}
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unsigned char Image8::b (int row, int col) {
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return data[3*(row*width+col)+2];
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}
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void Image8::r (int row, int col, unsigned char val) {
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data[3*(row*width+col)] = val;
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}
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void Image8::g (int row, int col, unsigned char val) {
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data[3*(row*width+col)+1] = val;
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}
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void Image8::b (int row, int col, unsigned char val) {
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data[3*(row*width+col)+2] = val;
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}
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