Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Fonts/GlyphBitmapAlphabet.cpp @ 1688:c14dd6e11ddd
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| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Wed, 25 Nov 2020 17:03:08 +0100 |
| parents | 8563ea5d8ae4 |
| children | 9ac2a65d4172 |
| 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 | |
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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 } |