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 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// 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