xref: /aoo41x/main/oox/inc/oox/vml/vmlformatting.hxx (revision cdf0e10c)

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#ifndef OOX_VML_VMLFORMATTING_HXX
#define OOX_VML_VMLFORMATTING_HXX

#include "oox/helper/helper.hxx"

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;

// ============================================================================

class ConversionHelper
{
public:
    /** Returns two values contained in rValue separated by cSep.
     */
    static bool         separatePair(
                            ::rtl::OUString& orValue1, ::rtl::OUString& orValue2,
                            const ::rtl::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.
     */
    static bool         decodeBool( const ::rtl::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 '%' 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.
     */
    static double       decodePercent(
                            const ::rtl::OUString& rValue,
                            double fDefValue );

    /** 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.
     */
    static sal_Int64    decodeMeasureToEmu(
                            const GraphicHelper& rGraphicHelper,
                            const ::rtl::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.
     */
    static sal_Int32    decodeMeasureToHmm(
                            const GraphicHelper& rGraphicHelper,
                            const ::rtl::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  Deafult 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.
     */
    static ::oox::drawingml::Color decodeColor(
                            const GraphicHelper& rGraphicHelper,
                            const OptValue< ::rtl::OUString >& roVmlColor,
                            const OptValue< double >& roVmlOpacity,
                            sal_Int32 nDefaultRgb,
                            sal_Int32 nPrimaryRgb = API_RGB_TRANSPARENT );

private:
                        ConversionHelper();
                        ~ConversionHelper();
};

// ============================================================================

/** 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< ::rtl::OUString > moColor;        /// Solid line color.
    OptValue< double > moOpacity;               /// Solid line color opacity.
    OptValue< ::rtl::OUString > moWeight;       /// Line width.
    OptValue< ::rtl::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 FillModel
{
    OptValue< bool >    moFilled;               /// Shape fill on/off.
    OptValue< ::rtl::OUString > moColor;        /// Solid fill color.
    OptValue< double >  moOpacity;              /// Solid fill color opacity.
    OptValue< ::rtl::OUString > moColor2;       /// End color of gradient.
    OptValue< double >  moOpacity2;             /// End color opycity 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;          /// Rectanguar gradient focus position of second color.
    OptValue< DoublePair > moFocusSize;         /// Rectanguar gradient focus size of second color.
    OptValue< ::rtl::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;
};

// ============================================================================

} // namespace vml
} // namespace oox

#endif