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Diffstat (limited to 'comphelper/source/misc/graphicmimetype.cxx')
-rw-r--r-- | comphelper/source/misc/graphicmimetype.cxx | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/comphelper/source/misc/graphicmimetype.cxx b/comphelper/source/misc/graphicmimetype.cxx new file mode 100644 index 000000000000..bf88312304b1 --- /dev/null +++ b/comphelper/source/misc/graphicmimetype.cxx @@ -0,0 +1,105 @@ +/* -*- 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 <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/beans/PropertyValue.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/graphic/XGraphic.hpp> +#include <com/sun/star/uno/Reference.hxx> + +#include <comphelper/processfactory.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(const OString& 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" }, { "eps", "image/x-eps" }, { "bmp", "image/bmp" }, + { "pct", "image/x-pict" } }; + + OUString aMimeType; + + long const nCount = SAL_N_ELEMENTS(aMapper); + for (long 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(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(""); +} + +OUString GraphicMimeTypeHelper::GetMimeTypeForImageUrl(const OUString& rImageUrl) +{ + // Create the graphic to retrieve the mimetype from it + Reference<XGraphicProvider> xProvider + = css::graphic::GraphicProvider::create(comphelper::getProcessComponentContext()); + Sequence<PropertyValue> aMediaProperties(1); + aMediaProperties[0].Name = "URL"; + aMediaProperties[0].Value <<= rImageUrl; + Reference<XGraphic> xGraphic(xProvider->queryGraphic(aMediaProperties)); + + return GetMimeTypeForXGraphic(xGraphic); +} + +OUString GraphicMimeTypeHelper::GetMimeTypeForImageStream(Reference<XInputStream> xInputStream) +{ + // Create the graphic to retrieve the mimetype from it + Reference<XGraphicProvider> xProvider + = css::graphic::GraphicProvider::create(comphelper::getProcessComponentContext()); + Sequence<PropertyValue> aMediaProperties(1); + aMediaProperties[0].Name = "InputStream"; + aMediaProperties[0].Value <<= xInputStream; + Reference<XGraphic> xGraphic(xProvider->queryGraphic(aMediaProperties)); + + return GetMimeTypeForXGraphic(xGraphic); +} +} +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |