/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: textdecoratedprimitive2d.cxx,v $
 *
 *  $Revision: 1.12 $
 *
 *  last change: $Author: aw $ $Date: 2008-05-27 14:11:20 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"

#include <drawinglayer/primitive2d/textstrikeoutprimitive2d.hxx>
#include <drawinglayer/primitive2d/textlayoutdevice.hxx>
#include <drawinglayer/primitive2d/textprimitive2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <drawinglayer/attribute/lineattribute.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
    namespace primitive2d
    {
        BaseTextStrikeoutPrimitive2D::BaseTextStrikeoutPrimitive2D(
            const basegfx::B2DHomMatrix& rObjectTransformation,
            double fWidth,
            const basegfx::BColor& rFontColor)
        :   BufferedDecompositionPrimitive2D(),
            maObjectTransformation(rObjectTransformation),
            mfWidth(fWidth),
            maFontColor(rFontColor)
        {
        }

        bool BaseTextStrikeoutPrimitive2D::operator==( const BasePrimitive2D& rPrimitive ) const
        {
            if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
            {
                const BaseTextStrikeoutPrimitive2D& rCompare = (BaseTextStrikeoutPrimitive2D&)rPrimitive;

                return (getObjectTransformation() == rCompare.getObjectTransformation()
                    && getWidth() == rCompare.getWidth()
                    && getFontColor() == rCompare.getFontColor());
            }

            return false;
        }
    } // end of namespace primitive2d
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
    namespace primitive2d
    {
        Primitive2DSequence TextCharacterStrikeoutPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
        {
            // strikeout with character
            const String aSingleCharString(getStrikeoutChar());
            basegfx::B2DVector aScale, aTranslate;
            double fRotate, fShearX;

            // get decomposition
            getObjectTransformation().decompose(aScale, aTranslate, fRotate, fShearX);

            // prepare TextLayouter
            TextLayouterDevice aTextLayouter;

            aTextLayouter.setFontAttribute(
                getFontAttribute(),
                aScale.getX(),
                aScale.getY(),
                getLocale());

            const double fStrikeCharWidth(aTextLayouter.getTextWidth(aSingleCharString, 0, 1));
            const double fStrikeCharCount(fabs(getWidth()/fStrikeCharWidth));
            const sal_uInt32 nStrikeCharCount(static_cast< sal_uInt32 >(fStrikeCharCount + 0.5));
            std::vector<double> aDXArray(nStrikeCharCount);
            String aStrikeoutString;

            for(sal_uInt32 a(0); a < nStrikeCharCount; a++)
            {
                aStrikeoutString += aSingleCharString;
                aDXArray[a] = (a + 1) * fStrikeCharWidth;
            }

            Primitive2DReference xReference(
                new TextSimplePortionPrimitive2D(
                    getObjectTransformation(),
                    aStrikeoutString,
                    0,
                    aStrikeoutString.Len(),
                    aDXArray,
                    getFontAttribute(),
                    getLocale(),
                    getFontColor()));

            return Primitive2DSequence(&xReference, 1);
        }

        TextCharacterStrikeoutPrimitive2D::TextCharacterStrikeoutPrimitive2D(
            const basegfx::B2DHomMatrix& rObjectTransformation,
            double fWidth,
            const basegfx::BColor& rFontColor,
            sal_Unicode aStrikeoutChar,
            const attribute::FontAttribute& rFontAttribute,
            const ::com::sun::star::lang::Locale& rLocale)
        :   BaseTextStrikeoutPrimitive2D(rObjectTransformation, fWidth, rFontColor),
            maStrikeoutChar(aStrikeoutChar),
            maFontAttribute(rFontAttribute),
            maLocale(rLocale)
        {
        }

        bool TextCharacterStrikeoutPrimitive2D::operator==( const BasePrimitive2D& rPrimitive ) const
        {
            if(BaseTextStrikeoutPrimitive2D::operator==(rPrimitive))
            {
                const TextCharacterStrikeoutPrimitive2D& rCompare = (TextCharacterStrikeoutPrimitive2D&)rPrimitive;

                return (getStrikeoutChar() == rCompare.getStrikeoutChar()
                    && getFontAttribute() == rCompare.getFontAttribute()
                    && LocalesAreEqual(getLocale(), rCompare.getLocale()));
            }

            return false;
        }

        // provide unique ID
        ImplPrimitrive2DIDBlock(TextCharacterStrikeoutPrimitive2D, PRIMITIVE2D_ID_TEXTCHARACTERSTRIKEOUTPRIMITIVE2D)

    } // end of namespace primitive2d
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
    namespace primitive2d
    {
        Primitive2DSequence TextGeometryStrikeoutPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
        {
            OSL_ENSURE(TEXT_STRIKEOUT_SLASH != getTextStrikeout() && TEXT_STRIKEOUT_X != getTextStrikeout(),
                "Wrong TEXT_STRIKEOUT type; a TextCharacterStrikeoutPrimitive2D should be used (!)");

            // strikeout with geometry
            double fStrikeoutHeight(getHeight());
            double fStrikeoutOffset(getOffset());
            bool bDoubleLine(false);

            // get decomposition
            basegfx::B2DVector aScale, aTranslate;
            double fRotate, fShearX;
            getObjectTransformation().decompose(aScale, aTranslate, fRotate, fShearX);

            // set line attribute
            switch(getTextStrikeout())
            {
                default : // case primitive2d::TEXT_STRIKEOUT_SINGLE:
                {
                    break;
                }
                case primitive2d::TEXT_STRIKEOUT_DOUBLE:
                {
                    bDoubleLine = true;
                    break;
                }
                case primitive2d::TEXT_STRIKEOUT_BOLD:
                {
                    fStrikeoutHeight *= 2.0;
                    break;
                }
            }

            if(bDoubleLine)
            {
                fStrikeoutOffset -= 0.50 * fStrikeoutHeight;
                fStrikeoutHeight *= 0.64;
            }

            // create base polygon and new primitive
            basegfx::B2DPolygon aStrikeoutLine;

            aStrikeoutLine.append(basegfx::B2DPoint(0.0, -fStrikeoutOffset));
            aStrikeoutLine.append(basegfx::B2DPoint(getWidth(), -fStrikeoutOffset));

            const basegfx::B2DHomMatrix aUnscaledTransform(
                basegfx::tools::createShearXRotateTranslateB2DHomMatrix(
                    fShearX, fRotate, aTranslate));

            aStrikeoutLine.transform(aUnscaledTransform);

            // add primitive
            const attribute::LineAttribute aLineAttribute(getFontColor(), fStrikeoutHeight, basegfx::B2DLINEJOIN_NONE);
            Primitive2DSequence xRetval(1);
            xRetval[0] = Primitive2DReference(new PolygonStrokePrimitive2D(aStrikeoutLine, aLineAttribute));

            if(bDoubleLine)
            {
                // double line, create 2nd primitive with offset using TransformPrimitive based on
                // already created NewPrimitive
                const double fLineDist(2.0 * fStrikeoutHeight);

                // move base point of text to 0.0 and de-rotate
                basegfx::B2DHomMatrix aTransform(basegfx::tools::createTranslateB2DHomMatrix(
                    -aTranslate.getX(), -aTranslate.getY()));
                aTransform.rotate(-fRotate);

                // translate in Y by offset
                aTransform.translate(0.0, -fLineDist);

                // move back and rotate
                aTransform.rotate(fRotate);
                aTransform.translate(aTranslate.getX(), aTranslate.getY());

                // add transform primitive
                appendPrimitive2DReferenceToPrimitive2DSequence(xRetval,
                    Primitive2DReference(
                        new TransformPrimitive2D(
                            aTransform,
                            xRetval)));
            }

            return xRetval;
        }

        TextGeometryStrikeoutPrimitive2D::TextGeometryStrikeoutPrimitive2D(
            const basegfx::B2DHomMatrix& rObjectTransformation,
            double fWidth,
            const basegfx::BColor& rFontColor,
            double fHeight,
            double fOffset,
            TextStrikeout eTextStrikeout)
        :   BaseTextStrikeoutPrimitive2D(rObjectTransformation, fWidth, rFontColor),
            mfHeight(fHeight),
            mfOffset(fOffset),
            meTextStrikeout(eTextStrikeout)
        {
        }

        bool TextGeometryStrikeoutPrimitive2D::operator==( const BasePrimitive2D& rPrimitive ) const
        {
            if(BaseTextStrikeoutPrimitive2D::operator==(rPrimitive))
            {
                const TextGeometryStrikeoutPrimitive2D& rCompare = (TextGeometryStrikeoutPrimitive2D&)rPrimitive;

                return (getHeight() == rCompare.getHeight()
                    && getOffset() == rCompare.getOffset()
                    && getTextStrikeout() == rCompare.getTextStrikeout());
            }

            return false;
        }

        // provide unique ID
        ImplPrimitrive2DIDBlock(TextGeometryStrikeoutPrimitive2D, PRIMITIVE2D_ID_TEXTGEOMETRYSTRIKEOUTPRIMITIVE2D)

    } // end of namespace primitive2d
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////
// eof