805fd61f8e
Change-Id: I154f0ff1769fbda361ec62f1dd589ca0d7686bd9 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/168506 Tested-by: Jenkins Reviewed-by: Nagy Tibor <tibor.nagy.extern@allotropia.de>
164 lines
7.5 KiB
C++
164 lines
7.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_OOX_HELPER_GRAPHICHELPER_HXX
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#define INCLUDED_OOX_HELPER_GRAPHICHELPER_HXX
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#include <map>
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#include <com/sun/star/awt/DeviceInfo.hpp>
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#include <com/sun/star/uno/Reference.hxx>
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#include <oox/dllapi.h>
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#include <oox/helper/binarystreambase.hxx>
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#include <oox/helper/helper.hxx>
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#include <oox/helper/storagebase.hxx>
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#include <rtl/ustring.hxx>
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#include <sal/types.h>
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#include <com/sun/star/graphic/XGraphicProvider2.hpp>
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#include <com/sun/star/graphic/XGraphicMapper.hpp>
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#include <vcl/vclptr.hxx>
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struct WmfExternal;
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class OutputDevice;
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namespace com::sun::star {
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namespace awt { struct Point; }
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namespace awt { struct Size; }
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namespace awt { class XUnitConversion; }
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namespace io { class XInputStream; }
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namespace frame { class XFrame; }
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namespace graphic { class XGraphic; }
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namespace graphic { class XGraphicObject; }
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namespace graphic { class XGraphicProvider; }
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namespace uno { class XComponentContext; }
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}
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namespace oox {
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/** Provides helper functions for colors, device measurement conversion,
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graphics, and graphic objects handling.
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*/
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class OOX_DLLPUBLIC GraphicHelper
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{
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public:
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explicit GraphicHelper(
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const css::uno::Reference< css::uno::XComponentContext >& rxContext,
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const css::uno::Reference< css::frame::XFrame >& rxTargetFrame,
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StorageRef xStorage );
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virtual ~GraphicHelper();
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// Avoid implicitly defined copy constructors/assignments for the DLLPUBLIC class (they may
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// require forward-declared classes used internally to be defined in places using GraphicHelper)
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GraphicHelper(const GraphicHelper&) = delete;
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GraphicHelper(GraphicHelper&&) = delete;
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GraphicHelper& operator=(const GraphicHelper&) = delete;
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GraphicHelper& operator=(GraphicHelper&&) = delete;
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// System colors and predefined colors ------------------------------------
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/** Returns a system color specified by the passed XML token identifier. */
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::Color getSystemColor( sal_Int32 nToken, ::Color nDefaultRgb = API_RGB_TRANSPARENT ) const;
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/** Derived classes may implement to resolve a scheme color from the passed XML token identifier. */
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virtual ::Color getSchemeColor( sal_Int32 nToken ) const;
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/** Derived classes may implement to resolve a ColorMap token from the passed XML token identifier. */
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virtual void getSchemeColorToken(sal_Int32& nToken) const;
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/** Derived classes may implement to resolve a palette index to an RGB color. */
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virtual ::Color getPaletteColor( sal_Int32 nPaletteIdx ) const;
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virtual sal_Int32 getDefaultChartAreaFillStyle() const;
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/** Returns chartspace automatic default border style */
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static sal_Int32 getDefaultChartAreaLineStyle();
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/** Returns chartspace automatic default border width in Emu */
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static sal_Int16 getDefaultChartAreaLineWidth();
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// Device info and device dependent unit conversion -----------------------
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/** Returns information about the output device. */
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const css::awt::DeviceInfo& getDeviceInfo() const { return maDeviceInfo;}
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/** Converts the passed value from horizontal screen pixels to 1/100 mm. */
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sal_Int32 convertScreenPixelXToHmm( double fPixelX ) const;
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/** Converts the passed value from vertical screen pixels to 1/100 mm. */
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sal_Int32 convertScreenPixelYToHmm( double fPixelY ) const;
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/** Converts the passed size from screen pixels to 1/100 mm. */
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css::awt::Size convertScreenPixelToHmm( const css::awt::Size& rPixel ) const;
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/** Converts the passed value from 1/100 mm to horizontal screen pixels. */
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double convertHmmToScreenPixelX( sal_Int32 nHmmX ) const;
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/** Converts the passed value from 1/100 mm to vertical screen pixels. */
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double convertHmmToScreenPixelY( sal_Int32 nHmmY ) const;
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/** Converts the passed point from 1/100 mm to screen pixels. */
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css::awt::Point convertHmmToScreenPixel( const css::awt::Point& rHmm ) const;
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/** Converts the passed size from 1/100 mm to screen pixels. */
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css::awt::Size convertHmmToScreenPixel( const css::awt::Size& rHmm ) const;
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/** Converts the passed point from 1/100 mm to AppFont units. */
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css::awt::Point convertHmmToAppFont( const css::awt::Point& rHmm ) const;
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/** Converts the passed size from 1/100 mm to AppFont units. */
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css::awt::Size convertHmmToAppFont( const css::awt::Size& rHmm ) const;
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// Graphics and graphic objects ------------------------------------------
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/** Imports a graphic from the passed input stream. */
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css::uno::Reference< css::graphic::XGraphic >
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importGraphic(
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const css::uno::Reference< css::io::XInputStream >& rxInStrm,
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const WmfExternal* pExtHeader = nullptr,
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const bool bLazyLoad = true ) const;
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/** Imports a graphic from the passed binary memory block. */
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css::uno::Reference< css::graphic::XGraphic >
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importGraphic( const StreamDataSequence& rGraphicData ) const;
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/** Imports a graphic from the storage stream with the passed path and name. */
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css::uno::Reference< css::graphic::XGraphic >
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importEmbeddedGraphic(
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const OUString& rStreamName,
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const WmfExternal* pExtHeader = nullptr ) const;
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/** calculates the original size of a graphic which is necessary to be able to calculate cropping values
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@return The original Graphic size in 100thmm */
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css::awt::Size getOriginalSize( const css::uno::Reference< css::graphic::XGraphic >& rxGraphic ) const;
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void setGraphicMapper(css::uno::Reference<css::graphic::XGraphicMapper> const & rxGraphicMapper);
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void initializeGraphicMapperIfNeeded() const;
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private:
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css::uno::Reference< css::uno::XComponentContext > mxContext;
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css::uno::Reference< css::graphic::XGraphicProvider2 > mxGraphicProvider;
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VclPtr<OutputDevice> mxDefaultOutputDevice;
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css::awt::DeviceInfo maDeviceInfo; ///< Current output device info.
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::std::map< sal_Int32, ::Color > maSystemPalette; ///< Maps system colors (XML tokens) to RGB color values.
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StorageRef mxStorage; ///< Storage containing embedded graphics.
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double mfPixelPerHmmX; ///< Number of screen pixels per 1/100 mm in X direction.
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double mfPixelPerHmmY; ///< Number of screen pixels per 1/100 mm in Y direction.
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css::uno::Reference<css::graphic::XGraphicMapper> mxGraphicMapper;
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};
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} // namespace oox
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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