Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 161 insertions, 0 deletions

diff --git a/include/oox/helper/graphichelper.hxx b/include/oox/helper/graphichelper.hxx
new file mode 100644
index 000000000..eab39beff
--- /dev/null
+++ b/include/oox/helper/graphichelper.hxx
@@ -0,0 +1,161 @@
+/* -*- 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/.
+ *
+ * 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 .
+ */
+
+#ifndef INCLUDED_OOX_HELPER_GRAPHICHELPER_HXX
+#define INCLUDED_OOX_HELPER_GRAPHICHELPER_HXX
+
+#include <map>
+
+#include <com/sun/star/awt/DeviceInfo.hpp>
+#include <com/sun/star/uno/Reference.hxx>
+#include <oox/dllapi.h>
+#include <oox/helper/binarystreambase.hxx>
+#include <oox/helper/helper.hxx>
+#include <oox/helper/storagebase.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+#include <com/sun/star/graphic/XGraphicProvider2.hpp>
+#include <com/sun/star/graphic/XGraphicMapper.hpp>
+#include <vcl/vclptr.hxx>
+
+struct WmfExternal;
+class OutputDevice;
+
+namespace com::sun::star {
+    namespace awt { struct Point; }
+    namespace awt { struct Size; }
+    namespace awt { class XUnitConversion; }
+    namespace io { class XInputStream; }
+    namespace frame { class XFrame; }
+    namespace graphic { class XGraphic; }
+    namespace graphic { class XGraphicObject; }
+    namespace graphic { class XGraphicProvider; }
+    namespace uno { class XComponentContext; }
+}
+
+namespace oox {
+
+
+/** Provides helper functions for colors, device measurement conversion,
+    graphics, and graphic objects handling.
+ */
+class OOX_DLLPUBLIC GraphicHelper
+{
+public:
+    explicit            GraphicHelper(
+                            const css::uno::Reference< css::uno::XComponentContext >& rxContext,
+                            const css::uno::Reference< css::frame::XFrame >& rxTargetFrame,
+                            const StorageRef& rxStorage );
+    virtual             ~GraphicHelper();
+
+    // Avoid implicitly defined copy constructors/assignments for the DLLPUBLIC class (they may
+    // require forward-declared classes used internally to be defined in places using GraphicHelper)
+    GraphicHelper(const GraphicHelper&) = delete;
+    GraphicHelper(GraphicHelper&&) = delete;
+    GraphicHelper& operator=(const GraphicHelper&) = delete;
+    GraphicHelper& operator=(GraphicHelper&&) = delete;
+
+    // System colors and predefined colors ------------------------------------
+
+    /** Returns a system color specified by the passed XML token identifier. */
+    ::Color            getSystemColor( sal_Int32 nToken, ::Color nDefaultRgb = API_RGB_TRANSPARENT ) const;
+    /** Derived classes may implement to resolve a scheme color from the passed XML token identifier. */
+    virtual ::Color    getSchemeColor( sal_Int32 nToken ) const;
+    /** Derived classes may implement to resolve a palette index to an RGB color. */
+    virtual ::Color    getPaletteColor( sal_Int32 nPaletteIdx ) const;
+
+    virtual sal_Int32 getDefaultChartAreaFillStyle() const;
+
+    /** Returns chartspace automatic default border style */
+    static sal_Int32 getDefaultChartAreaLineStyle();
+
+    /** Returns chartspace automatic default border width in Emu */
+    static sal_Int16 getDefaultChartAreaLineWidth();
+
+    // Device info and device dependent unit conversion -----------------------
+
+    /** Returns information about the output device. */
+    const css::awt::DeviceInfo& getDeviceInfo() const { return maDeviceInfo;}
+
+    /** Converts the passed value from horizontal screen pixels to 1/100 mm. */
+    sal_Int32           convertScreenPixelXToHmm( double fPixelX ) const;
+    /** Converts the passed value from vertical screen pixels to 1/100 mm. */
+    sal_Int32           convertScreenPixelYToHmm( double fPixelY ) const;
+    /** Converts the passed size from screen pixels to 1/100 mm. */
+    css::awt::Size convertScreenPixelToHmm( const css::awt::Size& rPixel ) const;
+
+    /** Converts the passed value from 1/100 mm to horizontal screen pixels. */
+    double              convertHmmToScreenPixelX( sal_Int32 nHmmX ) const;
+    /** Converts the passed value from 1/100 mm to vertical screen pixels. */
+    double              convertHmmToScreenPixelY( sal_Int32 nHmmY ) const;
+    /** Converts the passed point from 1/100 mm to screen pixels. */
+    css::awt::Point convertHmmToScreenPixel( const css::awt::Point& rHmm ) const;
+    /** Converts the passed size from 1/100 mm to screen pixels. */
+    css::awt::Size convertHmmToScreenPixel( const css::awt::Size& rHmm ) const;
+
+    /** Converts the passed point from 1/100 mm to AppFont units. */
+    css::awt::Point convertHmmToAppFont( const css::awt::Point& rHmm ) const;
+    /** Converts the passed size from 1/100 mm to AppFont units. */
+    css::awt::Size convertHmmToAppFont( const css::awt::Size& rHmm ) const;
+
+
+    // Graphics and graphic objects  ------------------------------------------
+
+    /** Imports a graphic from the passed input stream. */
+    css::uno::Reference< css::graphic::XGraphic >
+                        importGraphic(
+                            const css::uno::Reference< css::io::XInputStream >& rxInStrm,
+                            const WmfExternal* pExtHeader = nullptr ) const;
+
+    /** Imports a graphic from the passed binary memory block. */
+    css::uno::Reference< css::graphic::XGraphic >
+                        importGraphic( const StreamDataSequence& rGraphicData ) const;
+
+    /** Imports a graphic from the storage stream with the passed path and name. */
+    css::uno::Reference< css::graphic::XGraphic >
+                        importEmbeddedGraphic(
+                            const OUString& rStreamName,
+                            const WmfExternal* pExtHeader = nullptr ) const;
+
+    /** calculates the original size of a graphic which is necessary to be able to calculate cropping values
+        @return The original Graphic size in 100thmm */
+    css::awt::Size getOriginalSize( const css::uno::Reference< css::graphic::XGraphic >& rxGraphic ) const;
+
+    void setGraphicMapper(css::uno::Reference<css::graphic::XGraphicMapper> const & rxGraphicMapper);
+
+    void initializeGraphicMapperIfNeeded() const;
+private:
+
+    css::uno::Reference< css::uno::XComponentContext > mxContext;
+    css::uno::Reference< css::graphic::XGraphicProvider2 > mxGraphicProvider;
+    VclPtr<OutputDevice> mxDefaultOutputDevice;
+    css::awt::DeviceInfo maDeviceInfo; ///< Current output device info.
+    ::std::map< sal_Int32, ::Color >  maSystemPalette;  ///< Maps system colors (XML tokens) to RGB color values.
+    StorageRef          mxStorage;                  ///< Storage containing embedded graphics.
+    double              mfPixelPerHmmX;             ///< Number of screen pixels per 1/100 mm in X direction.
+    double              mfPixelPerHmmY;             ///< Number of screen pixels per 1/100 mm in Y direction.
+    css::uno::Reference<css::graphic::XGraphicMapper> mxGraphicMapper;
+};
+
+
+} // namespace oox
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */