Mercurial > hg > orthanc-stone
comparison OrthancStone/Sources/Fonts/GlyphBitmapAlphabet.cpp @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Fonts/GlyphBitmapAlphabet.cpp@30deba7bc8e2 |
children | 85e117739eca |
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1511:9dfeee74c1e6 | 1512:244ad1e4e76a |
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1 /** | |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
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 | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #include "GlyphBitmapAlphabet.h" | |
23 | |
24 #include "TextBoundingBox.h" | |
25 #include "../Toolbox/DynamicBitmap.h" | |
26 | |
27 #include <Images/Image.h> | |
28 #include <Images/ImageProcessing.h> | |
29 | |
30 namespace OrthancStone | |
31 { | |
32 class GlyphBitmapAlphabet::RenderTextVisitor : public GlyphAlphabet::ITextVisitor | |
33 { | |
34 private: | |
35 Orthanc::ImageAccessor& target_; | |
36 const GlyphBitmapAlphabet& that_; | |
37 int offsetX_; | |
38 int offsetY_; | |
39 | |
40 public: | |
41 RenderTextVisitor(Orthanc::ImageAccessor& target, | |
42 const GlyphBitmapAlphabet& that, | |
43 int offsetX, | |
44 int offsetY) : | |
45 target_(target), | |
46 that_(that), | |
47 offsetX_(offsetX), | |
48 offsetY_(offsetY) | |
49 { | |
50 } | |
51 | |
52 virtual void Visit(uint32_t unicode, | |
53 int x, | |
54 int y, | |
55 unsigned int width, | |
56 unsigned int height, | |
57 const Orthanc::IDynamicObject* payload) | |
58 { | |
59 int left = x + offsetX_; | |
60 int top = y + offsetY_; | |
61 | |
62 assert(payload != NULL); | |
63 const DynamicBitmap& glyph = *dynamic_cast<const DynamicBitmap*>(payload); | |
64 | |
65 assert(left >= 0 && | |
66 top >= 0 && | |
67 static_cast<unsigned int>(left) + width <= target_.GetWidth() && | |
68 static_cast<unsigned int>(top) + height <= target_.GetHeight() && | |
69 width == glyph.GetBitmap().GetWidth() && | |
70 height == glyph.GetBitmap().GetHeight()); | |
71 | |
72 { | |
73 Orthanc::ImageAccessor region; | |
74 target_.GetRegion(region, left, top, width, height); | |
75 Orthanc::ImageProcessing::Copy(region, glyph.GetBitmap()); | |
76 } | |
77 } | |
78 }; | |
79 | |
80 | |
81 #if ORTHANC_ENABLE_LOCALE == 1 | |
82 void GlyphBitmapAlphabet::LoadCodepage(FontRenderer& renderer, | |
83 Orthanc::Encoding codepage) | |
84 { | |
85 for (unsigned int i = 0; i < 256; i++) | |
86 { | |
87 uint32_t unicode; | |
88 if (GlyphAlphabet::GetUnicodeFromCodepage(unicode, i, codepage)) | |
89 { | |
90 AddUnicodeCharacter(renderer, unicode); | |
91 } | |
92 } | |
93 } | |
94 #endif | |
95 | |
96 | |
97 Orthanc::ImageAccessor* GlyphBitmapAlphabet::RenderText(const std::string& utf8) const | |
98 { | |
99 TextBoundingBox box(alphabet_, utf8); | |
100 | |
101 std::unique_ptr<Orthanc::ImageAccessor> bitmap( | |
102 new Orthanc::Image(Orthanc::PixelFormat_Grayscale8, | |
103 box.GetWidth(), box.GetHeight(), | |
104 true /* force minimal pitch */)); | |
105 | |
106 Orthanc::ImageProcessing::Set(*bitmap, 0); | |
107 | |
108 RenderTextVisitor visitor(*bitmap, *this, -box.GetLeft(), -box.GetTop()); | |
109 alphabet_.Apply(visitor, utf8); | |
110 | |
111 return bitmap.release(); | |
112 } | |
113 } |