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path: root/include/oox/vml/vmlformatting.hxx
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/* -*- 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_VML_VMLFORMATTING_HXX
#define INCLUDED_OOX_VML_VMLFORMATTING_HXX

#include <utility>
#include <vector>

#include <com/sun/star/drawing/PolygonFlags.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <oox/dllapi.h>
#include <oox/helper/helper.hxx>
#include <rtl/ustring.hxx>
#include <sal/types.h>

namespace com { namespace sun { namespace star {
    namespace awt { struct Point; }
    namespace drawing { class XShape; }
} } }

namespace oox {
    class GraphicHelper;
    namespace drawingml { class Color; }
    namespace drawingml { class ShapePropertyMap; }
}

namespace oox {
namespace vml {


typedef ::std::pair< sal_Int32, sal_Int32 > Int32Pair;
typedef ::std::pair< double, double >       DoublePair;


namespace ConversionHelper
{
    /** Returns two values contained in rValue separated by cSep.
     */
    OOX_DLLPUBLIC bool         separatePair(
                            OUString& orValue1, OUString& orValue2,
                            const OUString& rValue, sal_Unicode cSep );

    /** Returns the boolean value from the passed string of a VML attribute.
        Supported values: 'f', 't', 'false', 'true'. False for anything else.
     */
    OOX_DLLPUBLIC bool         decodeBool( const OUString& rValue );

    /** Converts the passed VML percentage measure string to a normalized
        floating-point value.

        @param rValue  The VML percentage value. This is a floating-point value
            with optional following '%' or 'f' sign. If the sign is missing, the
            floating point value will be returned unmodified. If the '%' sign
            is present, the value will be divided by 100. If the 'f' sign is present,
            the value will be divided by 65536.
     */
    OOX_DLLPUBLIC double       decodePercent(
                            const OUString& rValue,
                            double fDefValue );

    /** Converts the passed VML rotation value to degrees.
        See DffPropertyReader::Fix16ToAngle(): in VML, positive rotation
        angles are clockwise, we have them as counter-clockwise.
        Additionally, VML type is 0..360, our is 0..36000.

        @param rValue  The VML rotation value. This is a floating-point value
            with optional 'fd' suffix. If the suffix is missing, the floating
            point value will be returned unmodified. If the 'fd' suffix is
            present, the value will be divided by 65536.
    */
    OOX_DLLPUBLIC sal_Int32    decodeRotation( const OUString& rValue );

    /** Converts the passed VML measure string to EMU (English Metric Units).

        @param rGraphicHelper  The graphic helper needed to perform pixel
            conversion according to the current output device.

        @param rValue  The VML measure value. This is a floating-point value
            with optional measure string following the value.

        @param nRefValue  Reference value needed for percentage measure.

        @param bPixelX  Set to true if the value is oriented horizontally (e.g.
            X coordinates, widths). Set to false if the value is oriented
            vertically (e.g. Y coordinates, heights). This is needed because
            output devices may specify different width and height for a pixel.

        @param bDefaultAsPixel  Set to true if omitted measure unit means
            pixel. Set to false if omitted measure unit means EMU.
     */
    OOX_DLLPUBLIC sal_Int64    decodeMeasureToEmu(
                            const GraphicHelper& rGraphicHelper,
                            const OUString& rValue,
                            sal_Int32 nRefValue,
                            bool bPixelX,
                            bool bDefaultAsPixel );

    /** Converts the passed VML measure string to 1/100 mm.

        @param rGraphicHelper  See above.
        @param rValue  See above.
        @param nRefValue  See above.
        @param bPixelX  See above.
        @param bDefaultAsPixel  See above.
     */
    OOX_DLLPUBLIC sal_Int32    decodeMeasureToHmm(
                            const GraphicHelper& rGraphicHelper,
                            const OUString& rValue,
                            sal_Int32 nRefValue,
                            bool bPixelX,
                            bool bDefaultAsPixel );

    /** Converts VML color attributes to a DrawingML color.

        @param roVmlColor  The VML string representation of the color. If
            existing, this can be a 3-digit or 6-digit hexadecimal RGB value
            with leading '#' character, a predefined color name (e.g. 'black',
            'red', etc.), the index into an application defined color palette
            in brackets with leading color name (e.g. 'red [9]' or
            'windowColor [64]'), or a color modifier used in one-color
            gradients (e.g. 'fill darken(128)' or 'fill lighten(0)').

        @param roVmlOpacity  The opacity of the color. If existing, this should
            be a floating-point value in the range [0.0;1.0].

        @param nDefaultRgb  Default RGB color used if the parameter roVmlColor
            is empty.

        @param nPrimaryRgb  If set to something else than API_RGB_TRANSPARENT,
            specifies the color to be used to resolve the color modifiers used
            in one-color gradients.

        @return  The resulting DrawingML color.
     */
    OOX_DLLPUBLIC ::oox::drawingml::Color decodeColor(
                            const GraphicHelper& rGraphicHelper,
                            const OptValue< OUString >& roVmlColor,
                            const OptValue< double >& roVmlOpacity,
                            sal_Int32 nDefaultRgb,
                            sal_Int32 nPrimaryRgb = API_RGB_TRANSPARENT );

    /** Converts VML path string into point and flag vectors.

        @param rPoints  The point vector to fill with coordinates.

        @param rFlags  The flag vector to fill. PolygonFlags_NORMAL indicates
            a corresponding plain shape coordinate in rPoints and
            PolygonFlags_CONTROL indicates a bezier curve control point.

        @param rPath  The VML path string.

        @param rGraphicHelper  See above.
    */
    OOX_DLLPUBLIC void         decodeVmlPath(
                            ::std::vector< ::std::vector< css::awt::Point > >& rPoints,
                            ::std::vector< ::std::vector< css::drawing::PolygonFlags > >& rFlags,
                            const OUString& rPath );
}


/** The stroke arrow model structure contains all properties for an line end arrow. */
struct StrokeArrowModel
{
    OptValue< sal_Int32 > moArrowType;
    OptValue< sal_Int32 > moArrowWidth;
    OptValue< sal_Int32 > moArrowLength;

    void                assignUsed( const StrokeArrowModel& rSource );
};


/** The stroke model structure contains all shape border properties. */
struct StrokeModel
{
    OptValue< bool >    moStroked;              ///< Shape border line on/off.
    StrokeArrowModel    maStartArrow;           ///< Start line arrow style.
    StrokeArrowModel    maEndArrow;             ///< End line arrow style.
    OptValue< OUString > moColor;        ///< Solid line color.
    OptValue< double > moOpacity;               ///< Solid line color opacity.
    OptValue< OUString > moWeight;       ///< Line width.
    OptValue< OUString > moDashStyle;    ///< Line dash (predefined or manually).
    OptValue< sal_Int32 > moLineStyle;          ///< Line style (single, double, ...).
    OptValue< sal_Int32 > moEndCap;             ///< Type of line end cap.
    OptValue< sal_Int32 > moJoinStyle;          ///< Type of line join.

    void                assignUsed( const StrokeModel& rSource );

    /** Writes the properties to the passed property map. */
    void                pushToPropMap(
                            ::oox::drawingml::ShapePropertyMap& rPropMap,
                            const GraphicHelper& rGraphicHelper ) const;
};


/** The fill model structure contains all shape fill properties. */
struct OOX_DLLPUBLIC FillModel
{
    OptValue< bool >    moFilled;               ///< Shape fill on/off.
    OptValue< OUString > moColor;        ///< Solid fill color.
    OptValue< double >  moOpacity;              ///< Solid fill color opacity.
    OptValue< OUString > moColor2;       ///< End color of gradient.
    OptValue< double >  moOpacity2;             ///< End color opacity of gradient.
    OptValue< sal_Int32 > moType;               ///< Fill type.
    OptValue< sal_Int32 > moAngle;              ///< Gradient rotation angle.
    OptValue< double >  moFocus;                ///< Linear gradient focus of second color.
    OptValue< DoublePair > moFocusPos;          ///< Rectangular gradient focus position of second color.
    OptValue< DoublePair > moFocusSize;         ///< Rectangular gradient focus size of second color.
    OptValue< OUString > moBitmapPath;   ///< Path to fill bitmap fragment.
    OptValue< bool >    moRotate;               ///< True = rotate gradient/bitmap with shape.

    void                assignUsed( const FillModel& rSource );

    /** Writes the properties to the passed property map. */
    void                pushToPropMap(
                            ::oox::drawingml::ShapePropertyMap& rPropMap,
                            const GraphicHelper& rGraphicHelper ) const;
};


/** The shadow model structure contains all shape shadow properties. */
struct OOX_DLLPUBLIC ShadowModel
{
    bool               mbHasShadow;               ///< Is a v:shadow element seen?
    OptValue<bool>     moShadowOn;                ///< Is the element turned on?
    OptValue<OUString> moColor;                   ///< Specifies the color of the shadow.
    OptValue<OUString> moOffset;                  ///< Specifies the shadow's offset from the shape's location.
    OptValue<double>   moOpacity;                 ///< Specifies the opacity of the shadow.

    ShadowModel();

    /** Writes the properties to the passed property map. */
    void pushToPropMap(oox::drawingml::ShapePropertyMap& rPropMap, const GraphicHelper& rGraphicHelper) const;
};

/** The shadow model structure contains all shape textpath properties. */
struct OOX_DLLPUBLIC TextpathModel
{
    OptValue<OUString> moString;                  ///< Specifies the string of the textpath.
    OptValue<OUString> moStyle;                   ///< Specifies the style of the textpath.
    OptValue<bool>     moTrim;                    ///< Specifies whether extra space is removed above and below the text

    TextpathModel();

    /** Writes the properties to the passed property map. */
    void pushToPropMap(oox::drawingml::ShapePropertyMap& rPropMap, const css::uno::Reference<css::drawing::XShape>& xShape,
                       const GraphicHelper& rGraphicHelper) const;
};

} // namespace vml
} // namespace oox

#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */