Mercurial > hg > orthanc-stone
diff OrthancStone/Sources/Fonts/GlyphBitmapAlphabet.cpp @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Fonts/GlyphBitmapAlphabet.cpp@30deba7bc8e2 |
children | 85e117739eca |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancStone/Sources/Fonts/GlyphBitmapAlphabet.cpp Tue Jul 07 16:21:02 2020 +0200 @@ -0,0 +1,113 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2020 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU Affero General Public License + * as published by the Free Software Foundation, either version 3 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "GlyphBitmapAlphabet.h" + +#include "TextBoundingBox.h" +#include "../Toolbox/DynamicBitmap.h" + +#include <Images/Image.h> +#include <Images/ImageProcessing.h> + +namespace OrthancStone +{ + class GlyphBitmapAlphabet::RenderTextVisitor : public GlyphAlphabet::ITextVisitor + { + private: + Orthanc::ImageAccessor& target_; + const GlyphBitmapAlphabet& that_; + int offsetX_; + int offsetY_; + + public: + RenderTextVisitor(Orthanc::ImageAccessor& target, + const GlyphBitmapAlphabet& that, + int offsetX, + int offsetY) : + target_(target), + that_(that), + offsetX_(offsetX), + offsetY_(offsetY) + { + } + + virtual void Visit(uint32_t unicode, + int x, + int y, + unsigned int width, + unsigned int height, + const Orthanc::IDynamicObject* payload) + { + int left = x + offsetX_; + int top = y + offsetY_; + + assert(payload != NULL); + const DynamicBitmap& glyph = *dynamic_cast<const DynamicBitmap*>(payload); + + assert(left >= 0 && + top >= 0 && + static_cast<unsigned int>(left) + width <= target_.GetWidth() && + static_cast<unsigned int>(top) + height <= target_.GetHeight() && + width == glyph.GetBitmap().GetWidth() && + height == glyph.GetBitmap().GetHeight()); + + { + Orthanc::ImageAccessor region; + target_.GetRegion(region, left, top, width, height); + Orthanc::ImageProcessing::Copy(region, glyph.GetBitmap()); + } + } + }; + + +#if ORTHANC_ENABLE_LOCALE == 1 + void GlyphBitmapAlphabet::LoadCodepage(FontRenderer& renderer, + Orthanc::Encoding codepage) + { + for (unsigned int i = 0; i < 256; i++) + { + uint32_t unicode; + if (GlyphAlphabet::GetUnicodeFromCodepage(unicode, i, codepage)) + { + AddUnicodeCharacter(renderer, unicode); + } + } + } +#endif + + + Orthanc::ImageAccessor* GlyphBitmapAlphabet::RenderText(const std::string& utf8) const + { + TextBoundingBox box(alphabet_, utf8); + + std::unique_ptr<Orthanc::ImageAccessor> bitmap( + new Orthanc::Image(Orthanc::PixelFormat_Grayscale8, + box.GetWidth(), box.GetHeight(), + true /* force minimal pitch */)); + + Orthanc::ImageProcessing::Set(*bitmap, 0); + + RenderTextVisitor visitor(*bitmap, *this, -box.GetLeft(), -box.GetTop()); + alphabet_.Apply(visitor, utf8); + + return bitmap.release(); + } +}