/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * 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/. */ #ifndef INCLUDED_VCL_EMBEDDEDFONTSHELPER_HXX #define INCLUDED_VCL_EMBEDDEDFONTSHELPER_HXX #include #include #include #include #include #include namespace com::sun::star::io { class XInputStream; } namespace com::sun::star::uno { template class Reference; } /** Helper functions for handling embedded fonts in documents. */ class VCL_DLLPUBLIC EmbeddedFontsHelper { private: std::vector> m_aAccumulatedFonts; /** Adds the given font to the list of known fonts. The font is used only until application exit. @param fontName name of the font (e.g. 'Times New Roman') @param fileUrl URL of the font file */ static void activateFont( const OUString& fontName, const OUString& fileUrl ); public: /// Specification of what kind of operation is allowed when embedding a font enum class FontRights { ViewingAllowed, ///< Font may be embedded for viewing the document (but not editing) EditingAllowed ///< Font may be embedded for editing document (implies viewing) }; /** Returns URL for a font file for the given font, or empty if it does not exist. */ static OUString fontFileUrl( std::u16string_view familyName, FontFamily family, FontItalic italic, FontWeight weight, FontPitch pitch, FontRights rights ); /** Reads a font from the input stream, saves it to a temporary font file and adds it to the list of fonts that activateFonts will activate. @param stream stream of font data @param fontName name of the font (e.g. 'Times New Roman') @param extra additional text to use for name (e.g. to distinguish regular from bold, italic,...), "?" for unique @param key key to xor the data with, from the start until the key's length (not repeated) @param eot whether the data is compressed in Embedded OpenType format */ bool addEmbeddedFont( const css::uno::Reference< css::io::XInputStream >& stream, const OUString& fontName, std::u16string_view extra, std::vector< unsigned char > const & key, bool eot = false); /** Returns a URL for a file where to store contents of a given temporary font. The file may or not may not exist yet, and will be cleaned up automatically as appropriate. Use activateTemporaryFont() to actually enable usage of the font. @param fontName name of the font (e.g. 'Times New Roman') @param extra additional text to use for name (e.g. to distinguish regular from bold, italic,...), "?" for unique */ static OUString fileUrlForTemporaryFont( const OUString& fontName, std::u16string_view extra ); /** Adds the accumulated fonts to the list of known fonts. The fonts are used only until application exit. */ void activateFonts(); /** Returns if the restrictions specified in the font (if present) allow embedding the font for a particular purpose. @param data font data @param size size of the font data @param rights type of operation to be allowed for the font */ static bool sufficientTTFRights( const void* data, tools::Long size, FontRights rights ); /** Removes all temporary fonts in the path used by fileUrlForTemporaryFont(). @internal */ static void clearTemporaryFontFiles(); ~EmbeddedFontsHelper() COVERITY_NOEXCEPT_FALSE { activateFonts(); } }; #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ lue='distro/collabora/cp-5.3'>distro/collabora/cp-5.3 LibreOffice 核心代码仓库文档基金会
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path: root/sfx2/source/doc/DocumentMetadataAccess.cxx
AgeCommit message (Expand)Author
2023-10-20Extended loplugin:ostr: Automatic rewrite O[U]StringLiteral: sfx2Stephan Bergmann
2023-10-14Use exception ctors, instead of setting members laterMike Kaganski
2023-10-03replace ErrorInfo with simpler mechanismNoel Grandin
2023-09-29rename SfxMedium::GetError -> GetErrorIgnoreWarningNoel Grandin
2023-03-30loplugin:stringadd in sfx2Noel Grandin
2023-02-13Fix/simplify some vnd.sun.star.expand: handlingMike Kaganski