annotate Framework/Fonts/TextBoundingBox.cpp @ 884:aad5ccf1be10 am-dev

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author Alain Mazy <alain@mazy.be>
date Tue, 09 Jul 2019 14:43:00 +0200
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1 /**
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2 * Stone of Orthanc
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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) 2017-2019 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 Affero 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 * Affero 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 Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #include "TextBoundingBox.h"
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23
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24 namespace OrthancStone
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25 {
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26 void TextBoundingBox::AddPoint(int x,
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27 int y)
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28 {
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29 left_ = std::min(left_, x);
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30 right_ = std::max(right_, x);
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31 top_ = std::min(top_, y);
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32 bottom_ = std::max(bottom_, y);
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33 }
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34
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35
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36 void TextBoundingBox::Clear()
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37 {
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38 left_ = 0;
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39 top_ = 0;
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40 right_ = 0;
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41 bottom_ = 0;
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42 countCharacters_ = 0;
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43 }
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44
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45
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46 void TextBoundingBox::Visit(uint32_t unicode,
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47 int x,
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48 int y,
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49 unsigned int width,
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50 unsigned int height,
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51 const Orthanc::IDynamicObject* payload /* ignored */)
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52 {
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53 AddPoint(x, y);
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54 AddPoint(x + static_cast<int>(width),
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55 y + static_cast<int>(height));
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56 countCharacters_++;
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57 }
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58
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59
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60 TextBoundingBox::TextBoundingBox(const GlyphAlphabet& alphabet,
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61 const std::string& utf8)
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62 {
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63 Clear();
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64 alphabet.Apply(*this, utf8);
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65 }
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66
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67
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68 unsigned int TextBoundingBox::GetWidth() const
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69 {
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70 assert(left_ <= right_);
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71 return static_cast<unsigned int>(right_ - left_ + 1);
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72 }
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73
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74
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75 unsigned int TextBoundingBox::GetHeight() const
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76 {
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77 assert(top_ <= bottom_);
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78 return static_cast<unsigned int>(bottom_ - top_ + 1);
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79 }
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80 }