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Standalone command-line executable allowing for easy conversion of black&white images to distance field texture.pull/23/head
Vladimír Vondruš
13 years ago
5 changed files with 182 additions and 3 deletions
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/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#define MAGNUM_IMPORTER_PLUGIN_DIR "${MAGNUM_LIBRARY_INSTALL_DIR}/magnum/importers" |
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#define MAGNUM_IMAGECONVERTER_PLUGIN_DIR "${MAGNUM_LIBRARY_INSTALL_DIR}/magnum/imageconverters" |
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/*
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz> |
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|
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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|
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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|
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include <Utility/Arguments.h> |
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#include <PluginManager/Manager.h> |
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#include "Math/Geometry/Rectangle.h" |
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#include "Image.h" |
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#include "ImageFormat.h" |
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#include "Renderer.h" |
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#include "Texture.h" |
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#include "TextureFormat.h" |
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#include "Platform/WindowlessGlxApplication.h" |
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#include "TextureTools/DistanceField.h" |
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#include "Trade/AbstractImporter.h" |
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#include "Trade/AbstractImageConverter.h" |
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#include "Trade/ImageData.h" |
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#include "configure.h" |
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namespace Magnum { |
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class DistanceFieldConverter: public Platform::WindowlessApplication { |
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public: |
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explicit DistanceFieldConverter(const Arguments& arguments); |
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int exec() override; |
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private: |
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Utility::Arguments args; |
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}; |
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DistanceFieldConverter::DistanceFieldConverter(const Arguments& arguments): WindowlessGlxApplication(arguments, nullptr) { |
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args.addArgument("input").setHelp("input", "input image") |
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.addArgument("output").setHelp("output", "output image") |
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.addOption("importer", "TgaImporter").setHelp("image importer plugin") |
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.addOption("converter", "TgaImageConverter").setHelp("image converter plugin") |
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.addNamedArgument("output-size").setHelpKey("output-size", "\"X Y\"").setHelp("output-size", "size of output image") |
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.addNamedArgument("radius").setHelpKey("radius", "N").setHelp("radius", "distance field computation radius") |
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.setHelp("Converts black&white image to distance-field representation.") |
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.parse(arguments.argc, arguments.argv); |
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createContext({}); |
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} |
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int DistanceFieldConverter::exec() { |
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/* Load plugins */ |
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PluginManager::Manager<Trade::AbstractImporter> importerManager(MAGNUM_IMPORTER_PLUGIN_DIR); |
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if(!(importerManager.load(args.value("importer")) & (PluginManager::LoadState::Loaded|PluginManager::LoadState::Static))) { |
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Error() << "Cannot load importer plugin" << args.value("importer") << "from" << MAGNUM_IMPORTER_PLUGIN_DIR; |
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return 1; |
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} |
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PluginManager::Manager<Trade::AbstractImageConverter> converterManager(MAGNUM_IMAGECONVERTER_PLUGIN_DIR); |
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if(!(converterManager.load(args.value("converter")) & (PluginManager::LoadState::Loaded|PluginManager::LoadState::Static))) { |
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Error() << "Cannot load converter plugin" << args.value("converter") << "from" << MAGNUM_IMAGECONVERTER_PLUGIN_DIR; |
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return 1; |
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} |
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/* Instance plugins */ |
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Trade::AbstractImporter* importer = importerManager.instance(args.value("importer")); |
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Trade::AbstractImageConverter* converter = converterManager.instance(args.value("converter")); |
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CORRADE_INTERNAL_ASSERT(importer && converter); |
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/* Open input file */ |
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Trade::ImageData2D* image = nullptr; |
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if(!importer->openFile(args.value("input")) || !(image = importer->image2D(0))) { |
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Error() << "Cannot open file" << args.value("input"); |
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delete importer; |
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delete converter; |
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return 1; |
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} |
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delete importer; |
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if(image->format() != ImageFormat::Red) { |
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Error() << "Unsupported image format" << image->format(); |
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delete converter; |
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return 1; |
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} |
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/* Input texture */ |
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Texture2D input; |
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input.setMinificationFilter(Sampler::Filter::Linear) |
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.setMagnificationFilter(Sampler::Filter::Linear) |
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.setWrapping(Sampler::Wrapping::ClampToEdge) |
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.setImage(0, TextureFormat::R8, *image); |
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/* Output texture */ |
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Texture2D output; |
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output.setStorage(1, TextureFormat::R8, args.value<Vector2i>("output-size")); |
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CORRADE_INTERNAL_ASSERT(Renderer::error() == Renderer::Error::NoError); |
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/* Do it */ |
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Debug() << "Converting image of size" << image->size() << "to distance field..."; |
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TextureTools::distanceField(input, output, {{}, args.value<Vector2i>("output-size")}, args.value<Int>("radius"), image->size()); |
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delete image; |
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/* Save image */ |
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Image2D result(ImageFormat::Red, ImageType::UnsignedByte); |
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output.image(0, result); |
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if(!converter->exportToFile(result, args.value("output"))) { |
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Error() << "Cannot save file" << args.value("output"); |
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delete converter; |
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return 1; |
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} |
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delete converter; |
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return 0; |
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} |
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} |
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MAGNUM_WINDOWLESSAPPLICATION_MAIN(Magnum::DistanceFieldConverter) |
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