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annotate Core/Images/Font.h @ 1900:b1291df2f780

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2016
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 04 Jan 2016 13:17:22 +0100
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
1900
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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 *
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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 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #pragma once
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34
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35 #include "ImageAccessor.h"
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36
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37 #include <stdint.h>
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38 #include <vector>
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39 #include <map>
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40 #include <boost/noncopyable.hpp>
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41
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42 namespace Orthanc
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43 {
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44 class Font : public boost::noncopyable
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45 {
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46 private:
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47 struct Character
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48 {
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49 unsigned int width_;
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50 unsigned int height_;
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51 unsigned int top_;
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52 unsigned int advance_;
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53 std::vector<uint8_t> bitmap_;
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54 };
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55
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56 typedef std::map<char, Character*> Characters;
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57
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58 std::string name_;
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59 unsigned int size_;
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60 Characters characters_;
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61 unsigned int maxHeight_;
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62
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63 void DrawCharacter(ImageAccessor& target,
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64 const Character& character,
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65 int x,
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66 int y,
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67 const uint8_t color[4]) const;
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68
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69 void DrawInternal(ImageAccessor& target,
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70 const std::string& utf8,
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71 int x,
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72 int y,
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73 const uint8_t color[4]) const;
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74
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75 public:
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76 Font() :
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77 size_(0),
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78 maxHeight_(0)
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79 {
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80 }
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81
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82 ~Font();
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83
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84 void LoadFromMemory(const std::string& font);
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85
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86 void LoadFromFile(const std::string& path);
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87
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88 const std::string& GetName() const
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89 {
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90 return name_;
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91 }
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92
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93 unsigned int GetSize() const
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94 {
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95 return size_;
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96 }
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97
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98 void Draw(ImageAccessor& target,
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99 const std::string& utf8,
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100 int x,
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101 int y,
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102 uint8_t grayscale) const;
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103
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104 void Draw(ImageAccessor& target,
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105 const std::string& utf8,
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106 int x,
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107 int y,
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108 uint8_t r,
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109 uint8_t g,
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110 uint8_t b) const;
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111 };
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112 }