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1 /**
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2 * Palantir - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 **/
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19
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20
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21 #pragma once
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22
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23 #include "../Core/DicomFormat/DicomMap.h"
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24
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25 #include <stdint.h>
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26
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27 namespace Palantir
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28 {
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29 class DicomIntegerPixelAccessor
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30 {
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31 private:
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32 unsigned int width_;
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33 unsigned int height_;
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34 unsigned int samplesPerPixel_;
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35 const void* pixelData_;
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36 size_t size_;
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37
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38 uint8_t shift_;
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39 uint32_t signMask_;
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40 uint32_t mask_;
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41 size_t bytesPerPixel_;
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42
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43 public:
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44 DicomIntegerPixelAccessor(const DicomMap& values,
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45 const void* pixelData,
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46 size_t size);
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47
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48 unsigned int GetWidth() const
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49 {
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50 return width_;
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51 }
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52
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53 unsigned int GetHeight() const
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54 {
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55 return height_;
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56 }
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57
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58 void GetExtremeValues(int32_t& min,
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59 int32_t& max) const;
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60
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61 int32_t GetValue(unsigned int x, unsigned int y) const;
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62 };
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63 }
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