8b2eac9a3d
The pipette part is already working quite nice but need to be finished. The widgets part needs more work...
62 lines
2.4 KiB
C++
62 lines
2.4 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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#ifndef _SLICER_
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#define _SLICER_
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//The image is divided in blocks even on single processor machine, mainly to decrease memory consumption
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//maximum number of pixel per block
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#define PIXELS_PER_BLOCK 250000
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/*
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* Used to specify a subregion of an image and to specify a cell in this subregion
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*/
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class Block {
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public:
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unsigned int posX;
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unsigned int posY;
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unsigned int width; // If 0, use the full width of the image
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unsigned int height; // If 0, use the full height of the image
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Block();
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Block(unsigned int x, unsigned int y, unsigned int w, unsigned int h);
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};
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/*
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* This class handle the best slicing of the image with a given number of pixels per block and the number of
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* processor, and tries to create blocks as square as possible. There can be a different number of block on
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* each line, and the pixel per block requested may be oversized by very few percents.
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*/
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class Slicer {
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protected:
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bool portrait; // Orientation of the sub-region
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unsigned int imWidth; // Image width
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unsigned int imHeight; // Image height
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Block region; // Sub-region to process
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double hBlockNumber; // Horizontal number of block for the sub-region
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unsigned int vBlockNumber; // Vertical number of block for the sub-region
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double blockWidth;
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public:
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unsigned int blockNumber; // number of block for the sub-region
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unsigned int maxPixelNumber; // number of pixel of the biggest block (for memory allocation purpose)
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Slicer(unsigned int imageWidth, unsigned int imageHeight, Block *subRegion, unsigned int pixels);
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void get_block(unsigned int blockId, Block *block);
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};
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#endif
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