Mercurial > hg > orthanc
annotate OrthancFramework/Sources/Images/Font.h @ 4278:9279de56a405
avoid multiple calls to GetWidth() and GetHeight() on pixel loops
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 03 Nov 2020 20:05:55 +0100 |
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 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) 2017-2020 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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21 |
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22 |
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23 #pragma once |
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24 |
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25 #include "../OrthancFramework.h" |
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26 |
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27 #include "ImageAccessor.h" |
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28 |
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29 #include <stdint.h> |
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30 #include <vector> |
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31 #include <map> |
1616 | 32 #include <boost/noncopyable.hpp> |
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33 |
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34 namespace Orthanc |
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35 { |
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36 class ORTHANC_PUBLIC Font : public boost::noncopyable |
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37 { |
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38 private: |
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39 struct Character |
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40 { |
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41 unsigned int width_; |
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42 unsigned int height_; |
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43 unsigned int top_; |
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44 unsigned int advance_; |
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45 std::vector<uint8_t> bitmap_; |
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46 }; |
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47 |
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48 typedef std::map<char, Character*> Characters; |
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49 |
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50 std::string name_; |
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51 unsigned int size_; |
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52 Characters characters_; |
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53 unsigned int maxHeight_; |
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54 |
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55 void DrawCharacter(ImageAccessor& target, |
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56 const Character& character, |
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57 int x, |
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58 int y, |
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59 const uint8_t color[4]) const; |
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60 |
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61 void DrawInternal(ImageAccessor& target, |
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62 const std::string& utf8, |
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63 int x, |
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64 int y, |
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65 const uint8_t color[4]) const; |
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66 |
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67 public: |
1617 | 68 Font() : |
69 size_(0), | |
70 maxHeight_(0) | |
1616 | 71 { |
72 } | |
73 | |
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74 ~Font(); |
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75 |
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76 void LoadFromMemory(const std::string& font); |
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77 |
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78 #if ORTHANC_SANDBOXED == 0 |
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79 void LoadFromFile(const std::string& path); |
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80 #endif |
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81 |
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82 const std::string& GetName() const |
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83 { |
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84 return name_; |
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85 } |
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86 |
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87 unsigned int GetSize() const |
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88 { |
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89 return size_; |
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90 } |
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91 |
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92 void Draw(ImageAccessor& target, |
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93 const std::string& utf8, |
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94 int x, |
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95 int y, |
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96 uint8_t grayscale) const; |
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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 r, |
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103 uint8_t g, |
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104 uint8_t b) const; |
2900 | 105 |
106 void ComputeTextExtent(unsigned int& width, | |
107 unsigned int& height, | |
108 const std::string& utf8) const; | |
109 | |
110 ImageAccessor* Render(const std::string& utf8, | |
111 PixelFormat format, | |
112 uint8_t r, | |
113 uint8_t g, | |
114 uint8_t b) const; | |
115 | |
116 ImageAccessor* RenderAlpha(const std::string& utf8) const; | |
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117 }; |
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118 } |