Mercurial > hg > orthanc-stone
annotate Framework/Fonts/GlyphTextureAlphabet.cpp @ 1298:8a0a62189f46
replacing std::auto_ptr by std::unique_ptr
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 02 Mar 2020 16:31:30 +0100 |
| parents | 2d8ab34c8c91 |
| children | 257f2c9a02ac |
| rev | line source |
|---|---|
| 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 | |
| 27 #include <Core/Images/Image.h> | |
| 28 #include <Core/Images/ImageProcessing.h> | |
| 29 #include <Core/OrthancException.h> | |
| 30 | |
|
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31 #ifdef __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, | |
| 59 const Glyph& glyph) | |
| 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, | |
| 128 const Glyph& glyph) | |
| 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 unsigned int x = column_ * glyphMaxWidth_; | |
| 142 unsigned int y = row_ * glyphMaxHeight_; | |
| 143 | |
| 144 const Orthanc::ImageAccessor& source = dynamic_cast<const DynamicBitmap&>(glyph.GetPayload()).GetBitmap(); | |
| 145 | |
| 146 if (source.GetFormat() != Orthanc::PixelFormat_Grayscale8) | |
| 147 { | |
| 148 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 149 } | |
| 150 | |
| 151 targetAlphabet_.Register(unicode, glyph, new TextureLocation(x, y)); | |
| 152 | |
| 153 Orthanc::ImageAccessor target; | |
| 154 texture_->GetRegion(target, x, y, source.GetWidth(), source.GetHeight()); | |
| 155 | |
| 156 //Orthanc::ImageProcessing::Copy(target, bitmap->GetBitmap()); | |
| 157 | |
| 158 for (unsigned int y = 0; y < source.GetHeight(); y++) | |
| 159 { | |
| 160 const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); | |
| 161 uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); | |
| 162 | |
| 163 for (unsigned int x = 0; x < source.GetWidth(); x++) | |
| 164 { | |
| 165 // Premultiplied alpha | |
| 166 q[0] = 0; | |
| 167 q[1] = 0; | |
| 168 q[2] = 0; | |
| 169 q[3] = *p; | |
| 170 | |
| 171 p++; | |
| 172 q += 4; | |
| 173 } | |
| 174 } | |
| 175 | |
| 176 column_++; | |
| 177 if (column_ == countColumns_) | |
| 178 { | |
| 179 column_ = 0; | |
| 180 row_++; | |
| 181 } | |
| 182 } | |
| 183 | |
| 184 | |
| 185 Orthanc::ImageAccessor* ReleaseTexture() | |
| 186 { | |
| 187 return texture_.release(); | |
| 188 } | |
| 189 }; | |
| 190 | |
| 191 | |
| 192 class GlyphTextureAlphabet::RenderTextVisitor : public GlyphAlphabet::ITextVisitor | |
| 193 { | |
| 194 private: | |
| 195 Orthanc::ImageAccessor& target_; | |
| 196 const Orthanc::ImageAccessor& texture_; | |
| 197 int offsetX_; | |
| 198 int offsetY_; | |
| 199 | |
| 200 public: | |
| 201 RenderTextVisitor(Orthanc::ImageAccessor& target, | |
| 202 const GlyphTextureAlphabet& that, | |
| 203 int offsetX, | |
| 204 int offsetY) : | |
| 205 target_(target), | |
| 206 texture_(that.GetTexture()), | |
| 207 offsetX_(offsetX), | |
| 208 offsetY_(offsetY) | |
| 209 { | |
| 210 } | |
| 211 | |
| 212 virtual void Visit(uint32_t unicode, | |
| 213 int x, | |
| 214 int y, | |
| 215 unsigned int width, | |
| 216 unsigned int height, | |
| 217 const Orthanc::IDynamicObject* payload) | |
| 218 { | |
| 219 int left = x + offsetX_; | |
| 220 int top = y + offsetY_; | |
| 221 | |
| 222 assert(payload != NULL); | |
| 223 const TextureLocation& location = *dynamic_cast<const TextureLocation*>(payload); | |
| 224 | |
| 225 assert(left >= 0 && | |
| 226 top >= 0 && | |
| 227 static_cast<unsigned int>(left) + width <= target_.GetWidth() && | |
| 228 static_cast<unsigned int>(top) + height <= target_.GetHeight()); | |
| 229 | |
| 230 { | |
| 231 Orthanc::ImageAccessor to; | |
| 232 target_.GetRegion(to, left, top, width, height); | |
| 233 | |
| 234 Orthanc::ImageAccessor from; | |
| 235 texture_.GetRegion(from, location.GetX(), location.GetY(), width, height); | |
| 236 | |
| 237 Orthanc::ImageProcessing::Copy(to, from); | |
| 238 } | |
| 239 } | |
| 240 }; | |
| 241 | |
| 242 | |
| 243 GlyphTextureAlphabet::GlyphTextureAlphabet(const GlyphBitmapAlphabet& sourceAlphabet) : | |
| 244 textureWidth_(0), | |
| 245 textureHeight_(0) | |
| 246 { | |
| 247 GlyphSizeVisitor size; | |
| 248 sourceAlphabet.GetAlphabet().Apply(size); | |
| 249 | |
| 250 TextureGenerator generator(alphabet_, | |
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9a474e90e832
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Benjamin Golinvaux <bgo@osimis.io>
parents:
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diff
changeset
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251 static_cast<unsigned int>(sourceAlphabet.GetAlphabet().GetSize()), |
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9a474e90e832
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Benjamin Golinvaux <bgo@osimis.io>
parents:
577
diff
changeset
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252 size.GetMaxWidth(), |
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9a474e90e832
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Benjamin Golinvaux <bgo@osimis.io>
parents:
577
diff
changeset
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253 size.GetMaxHeight()); |
| 577 | 254 sourceAlphabet.GetAlphabet().Apply(generator); |
| 255 | |
| 256 texture_.reset(generator.ReleaseTexture()); | |
| 257 textureWidth_ = texture_->GetWidth(); | |
| 258 textureHeight_ = texture_->GetHeight(); | |
| 259 } | |
| 260 | |
| 261 | |
| 262 const Orthanc::ImageAccessor& GlyphTextureAlphabet::GetTexture() const | |
| 263 { | |
| 264 if (texture_.get() == NULL) | |
| 265 { | |
| 266 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 267 } | |
| 268 else | |
| 269 { | |
| 270 return *texture_; | |
| 271 } | |
| 272 } | |
| 273 | |
| 274 | |
| 275 Orthanc::ImageAccessor* GlyphTextureAlphabet::ReleaseTexture() | |
| 276 { | |
| 277 if (texture_.get() == NULL) | |
| 278 { | |
| 279 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 280 } | |
| 281 else | |
| 282 { | |
| 283 return texture_.release(); | |
| 284 } | |
| 285 } | |
| 286 | |
| 287 | |
| 288 Orthanc::ImageAccessor* GlyphTextureAlphabet::RenderText(const std::string& utf8) | |
| 289 { | |
| 290 TextBoundingBox box(alphabet_, utf8); | |
| 291 | |
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parents:
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292 std::unique_ptr<Orthanc::ImageAccessor> bitmap( |
| 577 | 293 new Orthanc::Image(Orthanc::PixelFormat_RGBA32, |
| 294 box.GetWidth(), box.GetHeight(), | |
| 295 true /* force minimal pitch */)); | |
| 296 | |
| 297 Orthanc::ImageProcessing::Set(*bitmap, 0, 0, 0, 0); | |
| 298 | |
| 299 RenderTextVisitor visitor(*bitmap, *this, -box.GetLeft(), -box.GetTop()); | |
| 300 alphabet_.Apply(visitor, utf8); | |
| 301 | |
| 302 return bitmap.release(); | |
| 303 } | |
| 304 } |