removed rtengine/slicer.*

This commit is contained in:
Ingo Weyrich
2019-10-29 21:09:37 +01:00
parent 068847eb5a
commit dfa41d6947
2 changed files with 0 additions and 215 deletions

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@@ -1,152 +0,0 @@
/*
* 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 <https://www.gnu.org/licenses/>.
*/
#include <cmath>
#include <gtkmm.h>
#include "rt_math.h"
#include "slicer.h"
#ifdef _OPENMP
#include <omp.h>
#endif
using namespace std;
// If no parameter set, everything = 0 -> process all the image
Block::Block()
{
posX = 0;
posY = 0;
width = 0;
height = 0;
}
Block::Block(unsigned int x, unsigned int y, unsigned int w, unsigned int h)
{
posX = x;
posY = y;
width = w;
height = h;
}
/*
* Slice a sub-region to process in blocks who's size is given by the number of processor
* and the number of pixel per block (and hence the memory footprint)
*/
Slicer::Slicer(unsigned int imageWidth, unsigned int imageHeight, Block *subRegion, unsigned int pixels )
{
// If the sub-region has a portrait shape, X and Y coordinates are swapped for better result
// It will be swapped back when sending back the block coordinates
region.width = !(subRegion->width) ? imageWidth : subRegion->width;
region.height = !(subRegion->height) ? imageHeight : subRegion->height; // Assuming that the sub-region is under posY
if (region.width < region.height) {
region.width = !(subRegion->height) ? imageHeight : subRegion->height;
region.height = !(subRegion->width) ? imageWidth : subRegion->width; // Assuming that the sub-region is under posY
portrait = true;
imWidth = imageHeight;
imHeight = imageWidth;
region.posX = subRegion->posY;
region.posY = subRegion->posX;
} else {
portrait = false;
imWidth = imageWidth;
imHeight = imageHeight;
region.posX = subRegion->posX;
region.posY = subRegion->posY;
}
double subRegionRatio = (double)(region.width) / (double)(region.height);
//total number of core/processor
#ifdef _OPENMP
unsigned int procNumber = omp_get_num_procs();
#else
unsigned int procNumber = 1;
#endif
//calculate the number of block
blockNumber = (double(region.width * region.height) / (double)pixels);
blockNumber = int((rtengine::max(blockNumber, 1U) + (double)procNumber / 2.) / procNumber) * procNumber;
vBlockNumber = (unsigned int)(sqrt((double)blockNumber / subRegionRatio) + 0.5);
vBlockNumber = CLAMP(vBlockNumber, 1, blockNumber);
hBlockNumber = (double)blockNumber / (double)vBlockNumber;
blockWidth = 1.0 / hBlockNumber;
double maxPixelNumberX = (double)region.height / (double)vBlockNumber;
double maxPixelNumberY = (double)region.width / (double)((unsigned int)hBlockNumber);
if (maxPixelNumberX - (double)((unsigned int)maxPixelNumberX) != 0.) {
maxPixelNumberX += 1.;
}
if (maxPixelNumberY - (double)((unsigned int)maxPixelNumberY) != 0.) {
maxPixelNumberY += 1.;
}
maxPixelNumber = (unsigned int)maxPixelNumberX * (unsigned int)maxPixelNumberY;
}
// return the absolute position and size of the requested block
void Slicer::get_block(unsigned int numBlock, Block *block)
{
double roundingTradeOff = (hBlockNumber - (double)((int)hBlockNumber)) == 0.5 ? 2.1 : 2.0;
unsigned int alreadyCompletedLineNbr = (unsigned int)((double)(numBlock) * blockWidth + (blockWidth / roundingTradeOff));
unsigned int prevLineEnd = (unsigned int)((double)alreadyCompletedLineNbr * hBlockNumber + 0.5);
unsigned int myLineEnd = (unsigned int)((double)(alreadyCompletedLineNbr + 1) * hBlockNumber + 0.5);
unsigned int nbrCellsOnMyLine = myLineEnd - prevLineEnd;
unsigned int cellOnMyLine = numBlock - prevLineEnd;
unsigned int blockStart = (unsigned int)(((double)region.width / (double)nbrCellsOnMyLine) * (double)(cellOnMyLine));
unsigned int blockEnd = (unsigned int)(((double)region.width / (double)nbrCellsOnMyLine) * (double)(cellOnMyLine + 1));
block->width = blockEnd - blockStart;
block->posX = region.posX + blockStart;
if (cellOnMyLine == (nbrCellsOnMyLine - 1)) {
// We make sure that the last block of the row take the rest of the remaining X space
block->width = region.posX + region.width - block->posX;
}
blockStart = (unsigned int)(((double)region.height / (double)vBlockNumber) * (double)(alreadyCompletedLineNbr));
blockEnd = (unsigned int)(((double)region.height / (double)vBlockNumber) * (double)(alreadyCompletedLineNbr + 1));
block->height = blockEnd - blockStart;
block->posY = region.posY + blockStart;
if (alreadyCompletedLineNbr == (vBlockNumber - 1)) {
block->height = region.posY + region.height - block->posY;
}
if (portrait) {
// we swap back the X/Y coordinates
unsigned int temp;
temp = block->posX;
block->posX = block->posY;
block->posY = temp;
temp = block->width;
block->width = block->height;
block->height = temp;
}
}

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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 <https://www.gnu.org/licenses/>.
*/
#ifndef _SLICER_
#define _SLICER_
//The image is divided in blocks even on single processor machine, mainly to decrease memory consumption
//maximum number of pixel per block
#define PIXELS_PER_BLOCK 250000
/*
* Used to specify a subregion of an image and to specify a cell in this subregion
*/
class Block
{
public:
unsigned int posX;
unsigned int posY;
unsigned int width; // If 0, use the full width of the image
unsigned int height; // If 0, use the full height of the image
Block();
Block(unsigned int x, unsigned int y, unsigned int w, unsigned int h);
};
/*
* This class handle the best slicing of the image with a given number of pixels per block and the number of
* processor, and tries to create blocks as square as possible. There can be a different number of block on
* each line, and the pixel per block requested may be oversized by very few percents.
*/
class Slicer
{
protected:
bool portrait; // Orientation of the sub-region
unsigned int imWidth; // Image width
unsigned int imHeight; // Image height
Block region; // Sub-region to process
double hBlockNumber; // Horizontal number of block for the sub-region
unsigned int vBlockNumber; // Vertical number of block for the sub-region
double blockWidth;
public:
unsigned int blockNumber; // number of block for the sub-region
unsigned int maxPixelNumber; // number of pixel of the biggest block (for memory allocation purpose)
Slicer(unsigned int imageWidth, unsigned int imageHeight, Block *subRegion, unsigned int pixels);
void get_block(unsigned int blockId, Block *block);
};
#endif