Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Fonts/GlyphBitmapAlphabet.cpp @ 2130:ed2c704b1119 StoneWebViewer-2.1
closing StoneWebViewer-2.1
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 30 May 2024 17:08:23 +0200 |
parents | 9ac2a65d4172 |
children | 3889ae96d2e9 |
rev | line source |
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577 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium |
577 | 6 * |
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 |
577 | 9 * as published by the Free Software Foundation, either version 3 of |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
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/>. |
577 | 20 **/ |
21 | |
22 | |
23 #include "GlyphBitmapAlphabet.h" | |
24 | |
25 #include "TextBoundingBox.h" | |
26 #include "../Toolbox/DynamicBitmap.h" | |
27 | |
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28 #include <Images/Image.h> |
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29 #include <Images/ImageProcessing.h> |
577 | 30 |
31 namespace OrthancStone | |
32 { | |
33 class GlyphBitmapAlphabet::RenderTextVisitor : public GlyphAlphabet::ITextVisitor | |
34 { | |
35 private: | |
36 Orthanc::ImageAccessor& target_; | |
37 const GlyphBitmapAlphabet& that_; | |
38 int offsetX_; | |
39 int offsetY_; | |
40 | |
41 public: | |
42 RenderTextVisitor(Orthanc::ImageAccessor& target, | |
43 const GlyphBitmapAlphabet& that, | |
44 int offsetX, | |
45 int offsetY) : | |
46 target_(target), | |
47 that_(that), | |
48 offsetX_(offsetX), | |
49 offsetY_(offsetY) | |
50 { | |
51 } | |
52 | |
53 virtual void Visit(uint32_t unicode, | |
54 int x, | |
55 int y, | |
56 unsigned int width, | |
57 unsigned int height, | |
1571 | 58 const Orthanc::IDynamicObject* payload) ORTHANC_OVERRIDE |
577 | 59 { |
60 int left = x + offsetX_; | |
61 int top = y + offsetY_; | |
62 | |
63 assert(payload != NULL); | |
64 const DynamicBitmap& glyph = *dynamic_cast<const DynamicBitmap*>(payload); | |
65 | |
66 assert(left >= 0 && | |
67 top >= 0 && | |
68 static_cast<unsigned int>(left) + width <= target_.GetWidth() && | |
69 static_cast<unsigned int>(top) + height <= target_.GetHeight() && | |
70 width == glyph.GetBitmap().GetWidth() && | |
71 height == glyph.GetBitmap().GetHeight()); | |
72 | |
73 { | |
74 Orthanc::ImageAccessor region; | |
75 target_.GetRegion(region, left, top, width, height); | |
76 Orthanc::ImageProcessing::Copy(region, glyph.GetBitmap()); | |
77 } | |
78 } | |
79 }; | |
80 | |
81 | |
82 #if ORTHANC_ENABLE_LOCALE == 1 | |
83 void GlyphBitmapAlphabet::LoadCodepage(FontRenderer& renderer, | |
84 Orthanc::Encoding codepage) | |
85 { | |
86 for (unsigned int i = 0; i < 256; i++) | |
87 { | |
88 uint32_t unicode; | |
89 if (GlyphAlphabet::GetUnicodeFromCodepage(unicode, i, codepage)) | |
90 { | |
91 AddUnicodeCharacter(renderer, unicode); | |
92 } | |
93 } | |
94 } | |
95 #endif | |
96 | |
97 | |
98 Orthanc::ImageAccessor* GlyphBitmapAlphabet::RenderText(const std::string& utf8) const | |
99 { | |
100 TextBoundingBox box(alphabet_, utf8); | |
101 | |
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102 std::unique_ptr<Orthanc::ImageAccessor> bitmap( |
577 | 103 new Orthanc::Image(Orthanc::PixelFormat_Grayscale8, |
104 box.GetWidth(), box.GetHeight(), | |
105 true /* force minimal pitch */)); | |
106 | |
107 Orthanc::ImageProcessing::Set(*bitmap, 0); | |
108 | |
109 RenderTextVisitor visitor(*bitmap, *this, -box.GetLeft(), -box.GetTop()); | |
110 alphabet_.Apply(visitor, utf8); | |
111 | |
112 return bitmap.release(); | |
113 } | |
114 } |