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annotate OrthancFramework/Sources/Images/PngWriter.h @ 4642:69bbb4bd35cb

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PngWriter recreates a new libpng context for each encoding
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 28 Apr 2021 11:22:39 +0200
parents d9473bd5ed43
children 7053502fbf97
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Lesser General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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23 #pragma once
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24
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25 #if !defined(ORTHANC_ENABLE_PNG)
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26 # error The macro ORTHANC_ENABLE_PNG must be defined
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27 #endif
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28
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29 #if ORTHANC_ENABLE_PNG != 1
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30 # error PNG support must be enabled to include this file
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31 #endif
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32
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33 #include "IImageWriter.h"
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34 #include "../Compatibility.h" // For ORTHANC_OVERRIDE
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36 #include <boost/shared_ptr.hpp>
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37
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38 namespace Orthanc
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39 {
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40 class ORTHANC_PUBLIC PngWriter : public IImageWriter
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41 {
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42 private:
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43 class Context;
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44
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45 protected:
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46 #if ORTHANC_SANDBOXED == 0
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47 virtual void WriteToFileInternal(const std::string& filename,
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48 unsigned int width,
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49 unsigned int height,
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50 unsigned int pitch,
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51 PixelFormat format,
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52 const void* buffer) ORTHANC_OVERRIDE;
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53 #endif
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54
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55 virtual void WriteToMemoryInternal(std::string& png,
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56 unsigned int width,
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57 unsigned int height,
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58 unsigned int pitch,
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59 PixelFormat format,
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60 const void* buffer) ORTHANC_OVERRIDE;
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61 };
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62 }