xref: /trunk/main/drawinglayer/source/primitive2d/textlineprimitive2d.cxx (revision e38dead8)

/**************************************************************
 *
 * 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
 *
 * 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
 * under the License.
 *
 *************************************************************/



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

#include <drawinglayer/primitive2d/textlineprimitive2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/attribute/strokeattribute.hxx>
#include <drawinglayer/attribute/lineattribute.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>

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

namespace drawinglayer
{
	namespace primitive2d
	{
		Primitive2DSequence TextLinePrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
        {
            Primitive2DSequence xRetval;

            if(TEXT_LINE_NONE != getTextLine())
            {
                bool bDoubleLine(false);
                bool bWaveLine(false);
                bool bBoldLine(false);
                const int* pDotDashArray(0);
                basegfx::B2DLineJoin eLineJoin(basegfx::B2DLINEJOIN_NONE);
                double fOffset(getOffset());
                double fHeight(getHeight());

                static const int aDottedArray[]     = { 1, 1, 0};               // DOTTED LINE
                static const int aDotDashArray[]    = { 1, 1, 4, 1, 0};         // DASHDOT
                static const int aDashDotDotArray[] = { 1, 1, 1, 1, 4, 1, 0};   // DASHDOTDOT
                static const int aDashedArray[]     = { 5, 2, 0};               // DASHED LINE
                static const int aLongDashArray[]   = { 7, 2, 0};               // LONGDASH

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

                switch(getTextLine())
                {
                    default: // case TEXT_LINE_SINGLE:
                    {
                        break;
                    }
                    case TEXT_LINE_DOUBLE:
                    {
                        bDoubleLine = true;
                        break;
                    }
                    case TEXT_LINE_DOTTED:
                    {
                        pDotDashArray = aDottedArray;
                        break;
                    }
                    case TEXT_LINE_DASH:
                    {
                        pDotDashArray = aDashedArray;
                        break;
                    }
                    case TEXT_LINE_LONGDASH:
                    {
                        pDotDashArray = aLongDashArray;
                        break;
                    }
                    case TEXT_LINE_DASHDOT:
                    {
                        pDotDashArray = aDotDashArray;
                        break;
                    }
                    case TEXT_LINE_DASHDOTDOT:
                    {
                        pDotDashArray = aDashDotDotArray;
                        break;
                    }
                    case TEXT_LINE_SMALLWAVE:
                    {
                        bWaveLine = true;
                        break;
                    }
                    case TEXT_LINE_WAVE:
                    {
                        bWaveLine = true;
                        break;
                    }
                    case TEXT_LINE_DOUBLEWAVE:
                    {
                        bDoubleLine = true;
                        bWaveLine = true;
                        break;
                    }
                    case TEXT_LINE_BOLD:
                    {
                        bBoldLine = true;
                        break;
                    }
                    case TEXT_LINE_BOLDDOTTED:
                    {
                        bBoldLine = true;
                        pDotDashArray = aDottedArray;
                        break;
                    }
                    case TEXT_LINE_BOLDDASH:
                    {
                        bBoldLine = true;
                        pDotDashArray = aDashedArray;
                        break;
                    }
                    case TEXT_LINE_BOLDLONGDASH:
                    {
                        bBoldLine = true;
                        pDotDashArray = aLongDashArray;
                        break;
                    }
                    case TEXT_LINE_BOLDDASHDOT:
                    {
                        bBoldLine = true;
                        pDotDashArray = aDotDashArray;
                        break;
                    }
                    case TEXT_LINE_BOLDDASHDOTDOT:
                    {
                        bBoldLine = true;
                        pDotDashArray = aDashDotDotArray;
                        break;
                    }
                    case TEXT_LINE_BOLDWAVE:
                    {
                        bWaveLine = true;
                        bBoldLine = true;
                        break;
                    }
                }

                if(bBoldLine)
                {
                    fHeight *= 2.0;
                }

                if(bDoubleLine)
                {
                    fOffset -= 0.50 * fHeight;
                    fHeight *= 0.64;
                }

                if(bWaveLine)
                {
                    eLineJoin = basegfx::B2DLINEJOIN_ROUND;
                    fHeight *= 0.25;
                }

                // prepare Line and Stroke Attributes
                const attribute::LineAttribute aLineAttribute(getLineColor(), fHeight, eLineJoin);
                attribute::StrokeAttribute aStrokeAttribute;

                if(pDotDashArray)
                {
                    ::std::vector< double > aDoubleArray;

                    for(const int* p = pDotDashArray; *p; ++p)
                    {
                        aDoubleArray.push_back((double)(*p) * fHeight);
                    }

                    aStrokeAttribute = attribute::StrokeAttribute(aDoubleArray);
                }

                // create base polygon and new primitive
                basegfx::B2DPolygon aLine;
                Primitive2DReference aNewPrimitive;

                aLine.append(basegfx::B2DPoint(0.0, fOffset));
                aLine.append(basegfx::B2DPoint(getWidth(), fOffset));

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

                aLine.transform(aUnscaledTransform);

                if(bWaveLine)
                {
                    double fWaveWidth(10.6 * fHeight);

                    if(TEXT_LINE_SMALLWAVE == getTextLine())
                    {
                        fWaveWidth *= 0.7;
                    }
                    else if(TEXT_LINE_WAVE == getTextLine())
                    {
                        // extra multiply to get the same WaveWidth as with the bold version
                        fWaveWidth *= 2.0;
                    }

                    aNewPrimitive = Primitive2DReference(new PolygonWavePrimitive2D(aLine, aLineAttribute, aStrokeAttribute, fWaveWidth, fWaveWidth * 0.5));
                }
                else
                {
                    aNewPrimitive = Primitive2DReference(new PolygonStrokePrimitive2D(aLine, aLineAttribute, aStrokeAttribute));
                }

                // add primitive
                appendPrimitive2DReferenceToPrimitive2DSequence(xRetval, aNewPrimitive);

                if(bDoubleLine)
                {
                    // double line, create 2nd primitive with offset using TransformPrimitive based on
                    // already created NewPrimitive
                    double fLineDist(2.3 * fHeight);

                    if(bWaveLine)
                    {
                        fLineDist = 6.3 * fHeight;
                    }

                    // 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
                    const Primitive2DSequence aContent(&aNewPrimitive, 1);
                    appendPrimitive2DReferenceToPrimitive2DSequence(xRetval,
                        Primitive2DReference(new TransformPrimitive2D(aTransform, aContent)));
                }
            }

            return xRetval;
        }

        TextLinePrimitive2D::TextLinePrimitive2D(
            const basegfx::B2DHomMatrix& rObjectTransformation,
            double fWidth,
            double fOffset,
            double fHeight,
            TextLine eTextLine,
            const basegfx::BColor& rLineColor)
        :   BufferedDecompositionPrimitive2D(),
            maObjectTransformation(rObjectTransformation),
            mfWidth(fWidth),
            mfOffset(fOffset),
            mfHeight(fHeight),
            meTextLine(eTextLine),
            maLineColor(rLineColor)
        {
        }

		bool TextLinePrimitive2D::operator==( const BasePrimitive2D& rPrimitive ) const
        {
			if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
			{
				const TextLinePrimitive2D& rCompare = (TextLinePrimitive2D&)rPrimitive;

				return (getObjectTransformation() == rCompare.getObjectTransformation()
                    && getWidth() == rCompare.getWidth()
                    && getOffset() == rCompare.getOffset()
                    && getHeight() == rCompare.getHeight()
                    && getTextLine() == rCompare.getTextLine()
                    && getLineColor() == rCompare.getLineColor());
			}

			return false;
        }

		// provide unique ID
		ImplPrimitrive2DIDBlock(TextLinePrimitive2D, PRIMITIVE2D_ID_TEXTLINEPRIMITIVE2D)

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

/* vim: set noet sw=4 ts=4: */