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Diffstat (limited to 'comphelper/source/misc/graphicmimetype.cxx')
| -rw-r--r-- | comphelper/source/misc/graphicmimetype.cxx | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/comphelper/source/misc/graphicmimetype.cxx b/comphelper/source/misc/graphicmimetype.cxx new file mode 100644 index 0000000000..8ae3dad561 --- /dev/null +++ b/comphelper/source/misc/graphicmimetype.cxx @@ -0,0 +1,239 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <comphelper/graphicmimetype.hxx> +#include <comphelper/mediamimetype.hxx> + +#include <map> +#include <set> + +#include <com/sun/star/beans/PropertyValue.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/graphic/GraphicProvider.hpp> +#include <com/sun/star/graphic/XGraphicProvider.hpp> +#include <com/sun/star/io/XInputStream.hpp> +#include <com/sun/star/uno/Reference.hxx> + +#include <comphelper/processfactory.hxx> +#include <comphelper/propertyvalue.hxx> + +using namespace css; +using namespace css::beans; +using namespace css::graphic; +using namespace css::io; +using namespace css::uno; + +namespace comphelper +{ +OUString GraphicMimeTypeHelper::GetMimeTypeForExtension(std::string_view rExt) +{ + struct XMLGraphicMimeTypeMapper + { + const char* pExt; + const char* pMimeType; + }; + + static const XMLGraphicMimeTypeMapper aMapper[] + = { { "gif", "image/gif" }, { "png", "image/png" }, { "jpg", "image/jpeg" }, + { "tif", "image/tiff" }, { "svg", "image/svg+xml" }, { "pdf", "application/pdf" }, + { "wmf", "image/x-wmf" }, { "emf", "image/x-emf" }, { "eps", "image/x-eps" }, + { "bmp", "image/bmp" }, { "pct", "image/x-pict" }, { "svm", "image/x-svm" } }; + + OUString aMimeType; + + size_t const nCount = std::size(aMapper); + for (size_t i = 0; (i < nCount) && aMimeType.isEmpty(); ++i) + { + if (rExt == aMapper[i].pExt) + aMimeType = OUString(aMapper[i].pMimeType, strlen(aMapper[i].pMimeType), + RTL_TEXTENCODING_ASCII_US); + } + + return aMimeType; +} + +OUString GraphicMimeTypeHelper::GetMimeTypeForXGraphic(const Reference<XGraphic>& xGraphic) +{ + OUString aSourceMimeType; + Reference<XPropertySet> const xGraphicPropertySet(xGraphic, UNO_QUERY); + if (xGraphicPropertySet.is() && // it's null if it's an external link + (xGraphicPropertySet->getPropertyValue("MimeType") >>= aSourceMimeType)) + { + return aSourceMimeType; + } + return ""; +} + +OUString +GraphicMimeTypeHelper::GetMimeTypeForImageStream(const Reference<XInputStream>& xInputStream) +{ + // Create the graphic to retrieve the mimetype from it + Reference<XGraphicProvider> xProvider + = css::graphic::GraphicProvider::create(comphelper::getProcessComponentContext()); + Sequence<PropertyValue> aMediaProperties{ comphelper::makePropertyValue("InputStream", + xInputStream) }; + Reference<XGraphic> xGraphic(xProvider->queryGraphic(aMediaProperties)); + + return GetMimeTypeForXGraphic(xGraphic); +} + +OUString GraphicMimeTypeHelper::GetMimeTypeForConvertDataFormat(ConvertDataFormat convertDataFormat) +{ + switch (convertDataFormat) + { + case ConvertDataFormat::BMP: + return "image/bmp"; + case ConvertDataFormat::GIF: + return "image/gif"; + case ConvertDataFormat::JPG: + return "image/jpeg"; + case ConvertDataFormat::PCT: + return "image/x-pict"; + case ConvertDataFormat::PNG: + return "image/png"; + case ConvertDataFormat::SVM: + return "image/x-svm"; + case ConvertDataFormat::TIF: + return "image/tiff"; + case ConvertDataFormat::WMF: + return "image/x-wmf"; + case ConvertDataFormat::EMF: + return "image/x-emf"; + case ConvertDataFormat::SVG: + return "image/svg+xml"; + case ConvertDataFormat::MET: // What is this? + case ConvertDataFormat::Unknown: + default: + return ""; + } +} + +char const* GraphicMimeTypeHelper::GetExtensionForConvertDataFormat(ConvertDataFormat nFormat) +{ + char const* pExt = nullptr; + // create extension + if (nFormat != ConvertDataFormat::Unknown) + { + switch (nFormat) + { + case ConvertDataFormat::BMP: + pExt = ".bmp"; + break; + case ConvertDataFormat::GIF: + pExt = ".gif"; + break; + case ConvertDataFormat::JPG: + pExt = ".jpg"; + break; + case ConvertDataFormat::MET: + pExt = ".met"; + break; + case ConvertDataFormat::PCT: + pExt = ".pct"; + break; + case ConvertDataFormat::PNG: + pExt = ".png"; + break; + case ConvertDataFormat::SVM: + pExt = ".svm"; + break; + case ConvertDataFormat::TIF: + pExt = ".tif"; + break; + case ConvertDataFormat::WMF: + pExt = ".wmf"; + break; + case ConvertDataFormat::EMF: + pExt = ".emf"; + break; + + default: + pExt = ".grf"; + break; + } + } + return pExt; +} + +static auto GetMediaMimes() -> std::map<OString, OString> const& +{ + static std::map<OString, OString> const mimes = { + { "mp4", "video/mp4" }, + { "ts", "video/MP2T" }, + { "mpeg", "video/mpeg" }, + { "mpg", "video/mpeg" }, + { "mkv", "video/x-matroska" }, + { "webm", "video/webm" }, + { "ogv", "video/ogg" }, + { "mov", "video/quicktime" }, + { "wmv", "video/x-ms-wmv" }, + { "avi", "video/x-msvideo" }, + { "m4a", "audio/mp4" }, + { "aac", "audio/aac" }, + { "mp3", "audio/mpeg" }, // https://bugs.chromium.org/p/chromium/issues/detail?id=227004 + { "ogg", "audio/ogg" }, + { "oga", "audio/ogg" }, + { "opus", "audio/ogg" }, + { "flac", "audio/flac" }, // missing at IANA? + // note there is RFC 2631 but i got the impression that vnd.wave + // requires specifying the codec in the container; also this page + // says "Historic" whatever that means: + // https://www.iana.org/assignments/wave-avi-codec-registry/wave-avi-codec-registry.xhtml + { "wav", "audio/x-wav" }, + }; + return mimes; +} + +auto IsMediaMimeType(::std::string_view const rMimeType) -> bool +{ + return IsMediaMimeType(OStringToOUString(rMimeType, RTL_TEXTENCODING_UTF8)); +} + +auto IsMediaMimeType(OUString const& rMimeType) -> bool +{ + static std::set<OUString> mimes; + if (mimes.empty()) + { + auto const& rMap(GetMediaMimes()); + for (auto const& it : rMap) + { + mimes.insert(OStringToOUString(it.second, RTL_TEXTENCODING_UTF8)); + } + } + return rMimeType == AVMEDIA_MIMETYPE_COMMON || mimes.find(rMimeType) != mimes.end(); +} + +auto GuessMediaMimeType(::std::u16string_view rFileName) -> OUString +{ + if (auto const i = rFileName.rfind('.'); i != ::std::string_view::npos) + { + OString const ext(OUStringToOString(rFileName.substr(i + 1), RTL_TEXTENCODING_UTF8)); + auto const& rMap(GetMediaMimes()); + auto const it(rMap.find(ext)); + if (it != rMap.end()) + { + return OStringToOUString(it->second, RTL_TEXTENCODING_ASCII_US); + } + } + return OUString(); +} + +} // namespace comphelper + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |