Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Fonts/GlyphTextureAlphabet.cpp @ 1582:cdd1932c530c
fix cppcheck
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 16 Oct 2020 17:34:53 +0200 |
parents | 85e117739eca |
children | 4fb8fdf03314 |
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) 2017-2020 Osimis S.A., Belgium |
577 | 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 "GlyphTextureAlphabet.h" | |
23 | |
24 #include "TextBoundingBox.h" | |
25 #include "../Toolbox/DynamicBitmap.h" | |
26 | |
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27 #include <Images/Image.h> |
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28 #include <Images/ImageProcessing.h> |
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29 #include <OrthancException.h> |
577 | 30 |
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31 #if defined(__EMSCRIPTEN__) |
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32 /* |
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33 Avoid this error: |
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34 .../boost/math/special_functions/round.hpp:86:12: warning: implicit conversion from 'std::__2::numeric_limits<int>::type' (aka 'int') to 'float' changes value from 2147483647 to 2147483648 [-Wimplicit-int-float-conversion] |
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35 .../boost/math/special_functions/round.hpp:93:11: note: in instantiation of function template specialization 'boost::math::iround<float, boost::math::policies::policy<boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy> >' requested here |
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36 .../orthanc-stone/Framework/Fonts/GlyphTextureAlphabet.cpp:92:28: note: in instantiation of function template specialization 'boost::math::iround<float>' requested here |
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37 */ |
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38 #pragma GCC diagnostic ignored "-Wimplicit-int-float-conversion" |
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39 #endif |
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40 |
577 | 41 #include <boost/math/special_functions/round.hpp> |
42 | |
43 namespace OrthancStone | |
44 { | |
45 class GlyphTextureAlphabet::GlyphSizeVisitor : public GlyphAlphabet::IGlyphVisitor | |
46 { | |
47 private: | |
48 unsigned int maxWidth_; | |
49 unsigned int maxHeight_; | |
50 | |
51 public: | |
52 GlyphSizeVisitor() : | |
53 maxWidth_(0), | |
54 maxHeight_(0) | |
55 { | |
56 } | |
57 | |
58 virtual void Visit(uint32_t unicode, | |
1571 | 59 const Glyph& glyph) ORTHANC_OVERRIDE |
577 | 60 { |
61 maxWidth_ = std::max(maxWidth_, glyph.GetWidth()); | |
62 maxHeight_ = std::max(maxHeight_, glyph.GetHeight()); | |
63 } | |
64 | |
65 unsigned int GetMaxWidth() const | |
66 { | |
67 return maxWidth_; | |
68 } | |
69 | |
70 unsigned int GetMaxHeight() const | |
71 { | |
72 return maxHeight_; | |
73 } | |
74 }; | |
75 | |
76 | |
77 class GlyphTextureAlphabet::TextureGenerator : public GlyphAlphabet::IGlyphVisitor | |
78 { | |
79 private: | |
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80 std::unique_ptr<Orthanc::ImageAccessor> texture_; |
577 | 81 |
82 unsigned int countColumns_; | |
83 unsigned int countRows_; | |
84 GlyphAlphabet& targetAlphabet_; | |
85 unsigned int glyphMaxWidth_; | |
86 unsigned int glyphMaxHeight_; | |
87 unsigned int column_; | |
88 unsigned int row_; | |
89 | |
90 public: | |
91 TextureGenerator(GlyphAlphabet& targetAlphabet, | |
92 unsigned int countGlyphs, | |
93 unsigned int glyphMaxWidth, | |
94 unsigned int glyphMaxHeight) : | |
95 targetAlphabet_(targetAlphabet), | |
96 glyphMaxWidth_(glyphMaxWidth), | |
97 glyphMaxHeight_(glyphMaxHeight), | |
98 column_(0), | |
99 row_(0) | |
100 { | |
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101 int c = boost::math::iround<float>(sqrt(static_cast<float>(countGlyphs))); |
577 | 102 |
103 if (c <= 0) | |
104 { | |
105 countColumns_ = 1; | |
106 } | |
107 else | |
108 { | |
109 countColumns_ = static_cast<unsigned int>(c); | |
110 } | |
111 | |
112 countRows_ = countGlyphs / countColumns_; | |
113 if (countGlyphs % countColumns_ != 0) | |
114 { | |
115 countRows_++; | |
116 } | |
117 | |
118 texture_.reset(new Orthanc::Image(Orthanc::PixelFormat_RGBA32, | |
119 countColumns_ * glyphMaxWidth_, | |
120 countRows_ * glyphMaxHeight_, | |
121 true /* force minimal pitch */)); | |
122 | |
123 Orthanc::ImageProcessing::Set(*texture_, 0, 0, 0, 0); | |
124 } | |
125 | |
126 | |
127 virtual void Visit(uint32_t unicode, | |
1571 | 128 const Glyph& glyph) ORTHANC_OVERRIDE |
577 | 129 { |
130 if (!glyph.HasPayload()) | |
131 { | |
132 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
133 } | |
134 | |
135 if (column_ >= countColumns_ || | |
136 row_ >= countRows_) | |
137 { | |
138 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
139 } | |
140 | |
141 const Orthanc::ImageAccessor& source = dynamic_cast<const DynamicBitmap&>(glyph.GetPayload()).GetBitmap(); | |
142 | |
143 if (source.GetFormat() != Orthanc::PixelFormat_Grayscale8) | |
144 { | |
145 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
146 } | |
147 | |
1571 | 148 Orthanc::ImageAccessor target; |
577 | 149 |
1571 | 150 { |
151 unsigned int x = column_ * glyphMaxWidth_; | |
152 unsigned int y = row_ * glyphMaxHeight_; | |
153 targetAlphabet_.Register(unicode, glyph, new TextureLocation(x, y)); | |
154 texture_->GetRegion(target, x, y, source.GetWidth(), source.GetHeight()); | |
155 } | |
577 | 156 |
157 //Orthanc::ImageProcessing::Copy(target, bitmap->GetBitmap()); | |
158 | |
159 for (unsigned int y = 0; y < source.GetHeight(); y++) | |
160 { | |
161 const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); | |
162 uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); | |
163 | |
164 for (unsigned int x = 0; x < source.GetWidth(); x++) | |
165 { | |
166 // Premultiplied alpha | |
167 q[0] = 0; | |
168 q[1] = 0; | |
169 q[2] = 0; | |
170 q[3] = *p; | |
171 | |
172 p++; | |
173 q += 4; | |
174 } | |
175 } | |
176 | |
177 column_++; | |
178 if (column_ == countColumns_) | |
179 { | |
180 column_ = 0; | |
181 row_++; | |
182 } | |
183 } | |
184 | |
185 | |
186 Orthanc::ImageAccessor* ReleaseTexture() | |
187 { | |
188 return texture_.release(); | |
189 } | |
190 }; | |
191 | |
192 | |
193 class GlyphTextureAlphabet::RenderTextVisitor : public GlyphAlphabet::ITextVisitor | |
194 { | |
195 private: | |
196 Orthanc::ImageAccessor& target_; | |
197 const Orthanc::ImageAccessor& texture_; | |
198 int offsetX_; | |
199 int offsetY_; | |
200 | |
201 public: | |
202 RenderTextVisitor(Orthanc::ImageAccessor& target, | |
203 const GlyphTextureAlphabet& that, | |
204 int offsetX, | |
205 int offsetY) : | |
206 target_(target), | |
207 texture_(that.GetTexture()), | |
208 offsetX_(offsetX), | |
209 offsetY_(offsetY) | |
210 { | |
211 } | |
212 | |
213 virtual void Visit(uint32_t unicode, | |
214 int x, | |
215 int y, | |
216 unsigned int width, | |
217 unsigned int height, | |
1571 | 218 const Orthanc::IDynamicObject* payload) ORTHANC_OVERRIDE |
577 | 219 { |
220 int left = x + offsetX_; | |
221 int top = y + offsetY_; | |
222 | |
223 assert(payload != NULL); | |
224 const TextureLocation& location = *dynamic_cast<const TextureLocation*>(payload); | |
225 | |
226 assert(left >= 0 && | |
227 top >= 0 && | |
228 static_cast<unsigned int>(left) + width <= target_.GetWidth() && | |
229 static_cast<unsigned int>(top) + height <= target_.GetHeight()); | |
230 | |
231 { | |
232 Orthanc::ImageAccessor to; | |
233 target_.GetRegion(to, left, top, width, height); | |
234 | |
235 Orthanc::ImageAccessor from; | |
236 texture_.GetRegion(from, location.GetX(), location.GetY(), width, height); | |
237 | |
238 Orthanc::ImageProcessing::Copy(to, from); | |
239 } | |
240 } | |
241 }; | |
242 | |
243 | |
244 GlyphTextureAlphabet::GlyphTextureAlphabet(const GlyphBitmapAlphabet& sourceAlphabet) : | |
245 textureWidth_(0), | |
246 textureHeight_(0) | |
247 { | |
248 GlyphSizeVisitor size; | |
249 sourceAlphabet.GetAlphabet().Apply(size); | |
250 | |
251 TextureGenerator generator(alphabet_, | |
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252 static_cast<unsigned int>(sourceAlphabet.GetAlphabet().GetSize()), |
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253 size.GetMaxWidth(), |
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254 size.GetMaxHeight()); |
577 | 255 sourceAlphabet.GetAlphabet().Apply(generator); |
256 | |
257 texture_.reset(generator.ReleaseTexture()); | |
258 textureWidth_ = texture_->GetWidth(); | |
259 textureHeight_ = texture_->GetHeight(); | |
260 } | |
261 | |
262 | |
263 const Orthanc::ImageAccessor& GlyphTextureAlphabet::GetTexture() const | |
264 { | |
265 if (texture_.get() == NULL) | |
266 { | |
267 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
268 } | |
269 else | |
270 { | |
271 return *texture_; | |
272 } | |
273 } | |
274 | |
275 | |
276 Orthanc::ImageAccessor* GlyphTextureAlphabet::ReleaseTexture() | |
277 { | |
278 if (texture_.get() == NULL) | |
279 { | |
280 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
281 } | |
282 else | |
283 { | |
284 return texture_.release(); | |
285 } | |
286 } | |
287 | |
288 | |
289 Orthanc::ImageAccessor* GlyphTextureAlphabet::RenderText(const std::string& utf8) | |
290 { | |
291 TextBoundingBox box(alphabet_, utf8); | |
292 | |
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293 std::unique_ptr<Orthanc::ImageAccessor> bitmap( |
577 | 294 new Orthanc::Image(Orthanc::PixelFormat_RGBA32, |
295 box.GetWidth(), box.GetHeight(), | |
296 true /* force minimal pitch */)); | |
297 | |
298 Orthanc::ImageProcessing::Set(*bitmap, 0, 0, 0, 0); | |
299 | |
300 RenderTextVisitor visitor(*bitmap, *this, -box.GetLeft(), -box.GetTop()); | |
301 alphabet_.Apply(visitor, utf8); | |
302 | |
303 return bitmap.release(); | |
304 } | |
305 } |