office-gobmx/include/vcl/canvastools.hxx

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 *
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 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
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 *   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
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 */

#ifndef INCLUDED_VCL_CANVASTOOLS_HXX
#define INCLUDED_VCL_CANVASTOOLS_HXX

#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/range/b2irectangle.hxx>

#include <vcl/dllapi.h>

class Point;
class Size;
namespace tools { class Rectangle; }
class BitmapEx;
class Color;

namespace basegfx
{
    class B2DVector;
    class B2DPoint;
    class B2DRange;
    class B2IPoint;
    class B2IRange;
    class B2DSize;
}

namespace com::sun::star::geometry
{
    struct RealSize2D;
    struct IntegerPoint2D;
    struct IntegerSize2D;
    struct IntegerRectangle2D;
}

namespace com::sun::star::rendering
{
    class  XBitmap;
    class  XIntegerReadOnlyBitmap;
}

namespace com::sun::star::rendering { class XColorSpace; }

namespace vcl::unotools
{
        // Bitmap conversions


        /** Create an XBitmap from VCL BitmapEx
         */
        css::uno::Reference< css::rendering::XBitmap >
            VCL_DLLPUBLIC xBitmapFromBitmapEx( const ::BitmapEx& inputBitmap );

        /** Create a BitmapEx from an XBitmap
         */
        ::BitmapEx VCL_DLLPUBLIC bitmapExFromXBitmap( const css::uno::Reference< css::rendering::XIntegerReadOnlyBitmap >& xInputBitmap );

        // Color conversions (vcl/tools Color <-> canvas standard color space)


        /** Create a device-specific color sequence from VCL/Tools color

            Note that this method assumes a color space equivalent to
            the one returned from createStandardColorSpace()
         */
        css::uno::Sequence< double >
            VCL_DLLPUBLIC colorToStdColorSpaceSequence( const Color& rColor );

        /** Convert color to device color sequence

            @param rColor
            Color to convert

            @param xColorSpace
            Color space to convert into
         */
        css::uno::Sequence< double >
        VCL_DLLPUBLIC colorToDoubleSequence( const Color&                                              rColor,
                                             const css::uno::Reference< css::rendering::XColorSpace >& xColorSpace );

        /** Convert from standard device color space to VCL/Tools color

            Note that this method assumes a color space equivalent to
            the one returned from createStandardColorSpace()
         */
        Color VCL_DLLPUBLIC stdColorSpaceSequenceToColor(
            const css::uno::Sequence< double >& rColor );

        /** Convert color to device color sequence

            @param rColor
            Color sequence to convert from

            @param xColorSpace
            Color space to convert from
         */
        Color VCL_DLLPUBLIC doubleSequenceToColor( const css::uno::Sequence< double >& rColor,
                                                   const css::uno::Reference< css::rendering::XColorSpace >& xColorSpace );

        /// Convert [0,1] double value to [0,255] int
        inline sal_Int8 toByteColor( double val )
        {
            return sal::static_int_cast<sal_Int8>(
                basegfx::fround(val*255.0));
        }

        /// Convert [0,255] int value to [0,1] double value
        inline double toDoubleColor( sal_uInt8 val )
        {
            return val / 255.0;
        }

        /// Create a standard color space suitable for VCL RGB color
        css::uno::Reference< css::rendering::XColorSpace> VCL_DLLPUBLIC createStandardColorSpace();

        // Geometry conversions (vcl/tools <-> x)


        // geometry::Real
        css::geometry::RealSize2D          VCL_DLLPUBLIC size2DFromSize( const Size& );

        Size                               VCL_DLLPUBLIC sizeFromRealSize2D( const css::geometry::RealSize2D& );

        // geometry::Integer
        css::geometry::IntegerSize2D       VCL_DLLPUBLIC integerSize2DFromSize( const Size& );

        Size                               VCL_DLLPUBLIC sizeFromIntegerSize2D( const css::geometry::IntegerSize2D& );
        Point                              VCL_DLLPUBLIC pointFromIntegerPoint2D( const css::geometry::IntegerPoint2D& );
        tools::Rectangle                          VCL_DLLPUBLIC rectangleFromIntegerRectangle2D( const css::geometry::IntegerRectangle2D& );

        // basegfx::B2D
        Size                        VCL_DLLPUBLIC sizeFromB2DSize( const basegfx::B2DVector& );
        Point                       VCL_DLLPUBLIC pointFromB2DPoint( const basegfx::B2DPoint& );
        tools::Rectangle                   VCL_DLLPUBLIC rectangleFromB2DRectangle( const basegfx::B2DRange& );

        VCL_DLLPUBLIC basegfx::B2DSize b2DSizeFromSize(const Size& rSize);
        VCL_DLLPUBLIC basegfx::B2DVector b2DVectorFromSize(const Size& rSize);
        basegfx::B2DPoint           VCL_DLLPUBLIC b2DPointFromPoint( const Point& );
        basegfx::B2DRange           VCL_DLLPUBLIC b2DRectangleFromRectangle( const tools::Rectangle& );

        // basegfx::B2I
        Point                       VCL_DLLPUBLIC pointFromB2IPoint( const basegfx::B2IPoint& );
        tools::Rectangle                   VCL_DLLPUBLIC rectangleFromB2IRectangle( const basegfx::B2IRange& );
        basegfx::B2IPoint           VCL_DLLPUBLIC b2IPointFromPoint(const Point&);
        basegfx::B2IRectangle       VCL_DLLPUBLIC b2IRectangleFromRectangle(const tools::Rectangle&);

}

#endif // INCLUDED_VCL_CANVASTOOLS_HXX

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