xref: /aoo42x/main/svx/source/sdr/primitive2d/sdrdecompositiontools.cxx (revision f6e50924)

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#include "precompiled_svx.hxx"
#include <svx/sdr/primitive2d/sdrdecompositiontools.hxx>
#include <drawinglayer/primitive2d/baseprimitive2d.hxx>
#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
#include <drawinglayer/primitive2d/transparenceprimitive2d.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <drawinglayer/primitive2d/fillgradientprimitive2d.hxx>
#include <drawinglayer/attribute/strokeattribute.hxx>
#include <drawinglayer/attribute/linestartendattribute.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/attribute/sdrfillbitmapattribute.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <drawinglayer/primitive2d/shadowprimitive2d.hxx>
#include <svx/sdr/attribute/sdrtextattribute.hxx>
#include <svx/sdr/primitive2d/sdrtextprimitive2d.hxx>
#include <svx/svdotext.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <drawinglayer/primitive2d/animatedprimitive2d.hxx>
#include <drawinglayer/animation/animationtiming.hxx>
#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
#include <basegfx/tools/canvastools.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
#include <drawinglayer/primitive2d/texthierarchyprimitive2d.hxx>
#include <drawinglayer/attribute/sdrfillattribute.hxx>
#include <drawinglayer/attribute/sdrlineattribute.hxx>
#include <drawinglayer/attribute/sdrlinestartendattribute.hxx>
#include <drawinglayer/attribute/sdrshadowattribute.hxx>

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

using namespace com::sun::star;

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

namespace drawinglayer
{
	namespace primitive2d
	{
		Primitive2DReference createPolyPolygonFillPrimitive(
			const basegfx::B2DPolyPolygon& rUnitPolyPolygon,
			const basegfx::B2DHomMatrix& rObjectTransform,
			const attribute::SdrFillAttribute& rFill,
			const attribute::FillGradientAttribute& rFillGradient)
		{
			// prepare fully scaled polygon
			basegfx::B2DPolyPolygon aScaledPolyPolygon(rUnitPolyPolygon);
			aScaledPolyPolygon.transform(rObjectTransform);
			BasePrimitive2D* pNewFillPrimitive = 0;

			if(!rFill.getGradient().isDefault())
			{
				pNewFillPrimitive = new PolyPolygonGradientPrimitive2D(aScaledPolyPolygon, rFill.getGradient());
			}
			else if(!rFill.getHatch().isDefault())
			{
				pNewFillPrimitive = new PolyPolygonHatchPrimitive2D(aScaledPolyPolygon, rFill.getColor(), rFill.getHatch());
			}
			else if(!rFill.getBitmap().isDefault())
			{
				const basegfx::B2DRange aRange(basegfx::tools::getRange(aScaledPolyPolygon));
				pNewFillPrimitive = new PolyPolygonBitmapPrimitive2D(aScaledPolyPolygon, rFill.getBitmap().getFillBitmapAttribute(aRange));
			}
			else
			{
				pNewFillPrimitive = new PolyPolygonColorPrimitive2D(aScaledPolyPolygon, rFill.getColor());
			}

			if(0.0 != rFill.getTransparence())
			{
				// create simpleTransparencePrimitive, add created fill primitive
				const Primitive2DReference xRefA(pNewFillPrimitive);
				const Primitive2DSequence aContent(&xRefA, 1L);
				return Primitive2DReference(new UnifiedTransparencePrimitive2D(aContent, rFill.getTransparence()));
			}
			else if(!rFillGradient.isDefault())
			{
				// create sequence with created fill primitive
				const Primitive2DReference xRefA(pNewFillPrimitive);
				const Primitive2DSequence aContent(&xRefA, 1L);

				// create FillGradientPrimitive2D for transparence and add to new sequence
				// fillGradientPrimitive is enough here (compared to PolyPolygonGradientPrimitive2D) since float transparence will be masked anyways
				const basegfx::B2DRange aRange(basegfx::tools::getRange(aScaledPolyPolygon));
				const Primitive2DReference xRefB(new FillGradientPrimitive2D(aRange, rFillGradient));
				const Primitive2DSequence aAlpha(&xRefB, 1L);

				// create TransparencePrimitive2D using alpha and content
				return Primitive2DReference(new TransparencePrimitive2D(aContent, aAlpha));
			}
			else
			{
				// add to decomposition
				return Primitive2DReference(pNewFillPrimitive);
			}
		}

		Primitive2DReference createPolygonLinePrimitive(
			const basegfx::B2DPolygon& rUnitPolygon,
			const basegfx::B2DHomMatrix& rObjectTransform,
			const attribute::SdrLineAttribute& rLine,
			const attribute::SdrLineStartEndAttribute& rStroke)
		{
			// prepare fully scaled polygon
			basegfx::B2DPolygon aScaledPolygon(rUnitPolygon);
			aScaledPolygon.transform(rObjectTransform);

			// create line and stroke attribute
			const attribute::LineAttribute aLineAttribute(rLine.getColor(), rLine.getWidth(), rLine.getJoin());
			const attribute::StrokeAttribute aStrokeAttribute(rLine.getDotDashArray(), rLine.getFullDotDashLen());
			BasePrimitive2D* pNewLinePrimitive = 0L;

			if(!rUnitPolygon.isClosed() && !rStroke.isDefault())
			{
				attribute::LineStartEndAttribute aStart(rStroke.getStartWidth(), rStroke.getStartPolyPolygon(), rStroke.isStartCentered());
				attribute::LineStartEndAttribute aEnd(rStroke.getEndWidth(), rStroke.getEndPolyPolygon(), rStroke.isEndCentered());

				// create data
				pNewLinePrimitive = new PolygonStrokeArrowPrimitive2D(aScaledPolygon, aLineAttribute, aStrokeAttribute, aStart, aEnd);
			}
			else
			{
				// create data
				pNewLinePrimitive = new PolygonStrokePrimitive2D(aScaledPolygon, aLineAttribute, aStrokeAttribute);
			}

			if(0.0 != rLine.getTransparence())
			{
				// create simpleTransparencePrimitive, add created fill primitive
				const Primitive2DReference xRefA(pNewLinePrimitive);
				const Primitive2DSequence aContent(&xRefA, 1L);
				return Primitive2DReference(new UnifiedTransparencePrimitive2D(aContent, rLine.getTransparence()));
			}
			else
			{
				// add to decomposition
				return Primitive2DReference(pNewLinePrimitive);
			}
		}

		Primitive2DReference createTextPrimitive(
			const basegfx::B2DPolyPolygon& rUnitPolyPolygon,
			const basegfx::B2DHomMatrix& rObjectTransform,
			const attribute::SdrTextAttribute& rText,
			const attribute::SdrLineAttribute& rStroke,
			bool bCellText,
            bool bWordWrap,
			bool bClipOnBounds)
		{
			basegfx::B2DHomMatrix aAnchorTransform(rObjectTransform);
			SdrTextPrimitive2D* pNew = 0;

			if(rText.isContour())
			{
				// contour text
				if(!rStroke.isDefault() && 0.0 != rStroke.getWidth())
				{
					// take line width into account and shrink contour polygon accordingly
					// decompose to get scale
					basegfx::B2DVector aScale, aTranslate;
					double fRotate, fShearX;
					rObjectTransform.decompose(aScale, aTranslate, fRotate, fShearX);

					// scale outline to object's size to allow growing with value relative to that size
					// and also to keep aspect ratio
					basegfx::B2DPolyPolygon aScaledUnitPolyPolygon(rUnitPolyPolygon);
					aScaledUnitPolyPolygon.transform(basegfx::tools::createScaleB2DHomMatrix(
						fabs(aScale.getX()), fabs(aScale.getY())));

					// grow the polygon. To shrink, use negative value (half width)
					aScaledUnitPolyPolygon = basegfx::tools::growInNormalDirection(aScaledUnitPolyPolygon, -(rStroke.getWidth() * 0.5));

					// scale back to unit polygon
					aScaledUnitPolyPolygon.transform(basegfx::tools::createScaleB2DHomMatrix(
						0.0 != aScale.getX() ? 1.0 / aScale.getX() : 1.0,
						0.0 != aScale.getY() ? 1.0 / aScale.getY() : 1.0));

					// create with unit polygon
					pNew = new SdrContourTextPrimitive2D(
                        &rText.getSdrText(),
                        rText.getOutlinerParaObject(),
                        aScaledUnitPolyPolygon,
                        rObjectTransform);
				}
				else
				{
					// create with unit polygon
					pNew = new SdrContourTextPrimitive2D(
                        &rText.getSdrText(),
                        rText.getOutlinerParaObject(),
                        rUnitPolyPolygon,
                        rObjectTransform);
				}
			}
			else if(!rText.getSdrFormTextAttribute().isDefault())
			{
				// text on path, use scaled polygon
				basegfx::B2DPolyPolygon aScaledPolyPolygon(rUnitPolyPolygon);
				aScaledPolyPolygon.transform(rObjectTransform);
				pNew = new SdrPathTextPrimitive2D(
                    &rText.getSdrText(),
                    rText.getOutlinerParaObject(),
                    aScaledPolyPolygon,
                    rText.getSdrFormTextAttribute());
			}
			else
			{
				// rObjectTransform is the whole SdrObject transformation from unit rectangle
				// to it's size and position. Decompose to allow working with single values.
				basegfx::B2DVector aScale, aTranslate;
				double fRotate, fShearX;
				rObjectTransform.decompose(aScale, aTranslate, fRotate, fShearX);

				// extract mirroring
				const bool bMirrorX(basegfx::fTools::less(aScale.getX(), 0.0));
				const bool bMirrorY(basegfx::fTools::less(aScale.getY(), 0.0));
				aScale = basegfx::absolute(aScale);

				// Get the real size, since polygon ountline and scale
				// from the object transformation may vary (e.g. ellipse segments)
				basegfx::B2DHomMatrix aJustScaleTransform;
				aJustScaleTransform.set(0, 0, aScale.getX());
				aJustScaleTransform.set(1, 1, aScale.getY());
				basegfx::B2DPolyPolygon aScaledUnitPolyPolygon(rUnitPolyPolygon);
				aScaledUnitPolyPolygon.transform(aJustScaleTransform);
				const basegfx::B2DRange aSnapRange(basegfx::tools::getRange(aScaledUnitPolyPolygon));

				// create a range describing the wanted text position and size (aTextAnchorRange). This
				// means to use the text distance values here
				const basegfx::B2DPoint aTopLeft(aSnapRange.getMinX() + rText.getTextLeftDistance(), aSnapRange.getMinY() + rText.getTextUpperDistance());
				const basegfx::B2DPoint aBottomRight(aSnapRange.getMaxX() - rText.getTextRightDistance(), aSnapRange.getMaxY() - rText.getTextLowerDistance());
				basegfx::B2DRange aTextAnchorRange;
				aTextAnchorRange.expand(aTopLeft);
				aTextAnchorRange.expand(aBottomRight);

				// now create a transformation from this basic range (aTextAnchorRange)
				aAnchorTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(
					aTextAnchorRange.getWidth(), aTextAnchorRange.getHeight(),
					aTextAnchorRange.getMinX(), aTextAnchorRange.getMinY());

				// apply mirroring
				aAnchorTransform.scale(bMirrorX ? -1.0 : 1.0, bMirrorY ? -1.0 : 1.0);

				// apply object's other transforms
				aAnchorTransform = basegfx::tools::createShearXRotateTranslateB2DHomMatrix(fShearX, fRotate, aTranslate)
					* aAnchorTransform;

				if(rText.isFitToSize())
				{
					// streched text in range
					pNew = new SdrStretchTextPrimitive2D(
                        &rText.getSdrText(),
                        rText.getOutlinerParaObject(),
                        aAnchorTransform,
                        rText.isFixedCellHeight());
				}
				else // text in range
				{
					// build new primitive
					pNew = new SdrBlockTextPrimitive2D(
                        &rText.getSdrText(),
                        rText.getOutlinerParaObject(),
                        aAnchorTransform,
                        rText.getSdrTextHorzAdjust(),
                        rText.getSdrTextVertAdjust(),
                        rText.isFixedCellHeight(),
                        rText.isScroll(),
                        bCellText,
                        bWordWrap,
						bClipOnBounds);
				}
			}

			OSL_ENSURE(pNew != 0, "createTextPrimitive: no text primitive created (!)");

			if(rText.isBlink())
			{
				// prepare animation and primitive list
				drawinglayer::animation::AnimationEntryList aAnimationList;
				rText.getBlinkTextTiming(aAnimationList);

				if(0.0 != aAnimationList.getDuration())
				{
					// create content sequence
					const Primitive2DReference xRefA(pNew);
					const Primitive2DSequence aContent(&xRefA, 1L);

					// create and add animated switch primitive
					return Primitive2DReference(new AnimatedBlinkPrimitive2D(aAnimationList, aContent, true));
				}
				else
				{
					// add to decomposition
					return Primitive2DReference(pNew);
				}
			}

            if(rText.isScroll())
			{
                // suppress scroll when FontWork
			    if(rText.getSdrFormTextAttribute().isDefault())
			    {
				    // get scroll direction
				    const SdrTextAniDirection eDirection(rText.getSdrText().GetObject().GetTextAniDirection());
				    const bool bHorizontal(SDRTEXTANI_LEFT == eDirection || SDRTEXTANI_RIGHT == eDirection);

				    // decompose to get separated values for the scroll box
				    basegfx::B2DVector aScale, aTranslate;
				    double fRotate, fShearX;
				    aAnchorTransform.decompose(aScale, aTranslate, fRotate, fShearX);

				    // build transform from scaled only to full AnchorTransform and inverse
					const basegfx::B2DHomMatrix aSRT(basegfx::tools::createShearXRotateTranslateB2DHomMatrix(
						fShearX, fRotate, aTranslate));
				    basegfx::B2DHomMatrix aISRT(aSRT);
				    aISRT.invert();

				    // bring the primitive back to scaled only and get scaled range, create new clone for this
				    SdrTextPrimitive2D* pNew2 = pNew->createTransformedClone(aISRT);
				    OSL_ENSURE(pNew2, "createTextPrimitive: Could not create transformed clone of text primitive (!)");
				    delete pNew;
				    pNew = pNew2;

				    // create neutral geometry::ViewInformation2D for local range and decompose calls. This is okay
				    // since the decompose is view-independent
				    const uno::Sequence< beans::PropertyValue > xViewParameters;
				    geometry::ViewInformation2D aViewInformation2D(xViewParameters);

				    // get range
				    const basegfx::B2DRange aScaledRange(pNew->getB2DRange(aViewInformation2D));

				    // create left outside and right outside transformations. Also take care
				    // of the clip rectangle
				    basegfx::B2DHomMatrix aLeft, aRight;
				    basegfx::B2DPoint aClipTopLeft(0.0, 0.0);
				    basegfx::B2DPoint aClipBottomRight(aScale.getX(), aScale.getY());

				    if(bHorizontal)
				    {
					    aClipTopLeft.setY(aScaledRange.getMinY());
					    aClipBottomRight.setY(aScaledRange.getMaxY());
					    aLeft.translate(-aScaledRange.getMaxX(), 0.0);
					    aRight.translate(aScale.getX() - aScaledRange.getMinX(), 0.0);
				    }
				    else
				    {
					    aClipTopLeft.setX(aScaledRange.getMinX());
					    aClipBottomRight.setX(aScaledRange.getMaxX());
					    aLeft.translate(0.0, -aScaledRange.getMaxY());
					    aRight.translate(0.0, aScale.getY() - aScaledRange.getMinY());
				    }

				    aLeft *= aSRT;
				    aRight *= aSRT;

				    // prepare animation list
				    drawinglayer::animation::AnimationEntryList aAnimationList;

				    if(bHorizontal)
				    {
					    rText.getScrollTextTiming(aAnimationList, aScale.getX(), aScaledRange.getWidth());
				    }
				    else
				    {
					    rText.getScrollTextTiming(aAnimationList, aScale.getY(), aScaledRange.getHeight());
				    }

				    if(0.0 != aAnimationList.getDuration())
				    {
					    // create a new Primitive2DSequence containing the animated text in it's scaled only state.
					    // use the decomposition to force to simple text primitives, those will no longer
					    // need the outliner for formatting (alternatively it is also possible to just add
					    // pNew to aNewPrimitiveSequence)
					    Primitive2DSequence aAnimSequence(pNew->get2DDecomposition(aViewInformation2D));
					    delete pNew;

					    // create a new animatedInterpolatePrimitive and add it
					    std::vector< basegfx::B2DHomMatrix > aMatrixStack;
					    aMatrixStack.push_back(aLeft);
					    aMatrixStack.push_back(aRight);
					    const Primitive2DReference xRefA(new AnimatedInterpolatePrimitive2D(aMatrixStack, aAnimationList, aAnimSequence, true));
					    const Primitive2DSequence aContent(&xRefA, 1L);

					    // scrolling needs an encapsulating clipping primitive
					    const basegfx::B2DRange aClipRange(aClipTopLeft, aClipBottomRight);
					    basegfx::B2DPolygon aClipPolygon(basegfx::tools::createPolygonFromRect(aClipRange));
					    aClipPolygon.transform(aSRT);
					    return Primitive2DReference(new MaskPrimitive2D(basegfx::B2DPolyPolygon(aClipPolygon), aContent));
				    }
				    else
				    {
					    // add to decomposition
					    return Primitive2DReference(pNew);
				    }
                }
			}

            if(rText.isInEditMode())
            {
                // #i97628#
                // encapsulate with TextHierarchyEditPrimitive2D to allow renderers
                // to suppress actively edited content if needed
			    const Primitive2DReference xRefA(pNew);
			    const Primitive2DSequence aContent(&xRefA, 1L);

			    // create and add TextHierarchyEditPrimitive2D primitive
			    return Primitive2DReference(new TextHierarchyEditPrimitive2D(aContent));
            }
            else
            {
				// add to decomposition
    			return Primitive2DReference(pNew);
            }
		}

        Primitive2DSequence createEmbeddedShadowPrimitive(
            const Primitive2DSequence& rContent,
            const attribute::SdrShadowAttribute& rShadow)
        {
			if(rContent.hasElements())
			{
				Primitive2DSequence aRetval(2);
		        basegfx::B2DHomMatrix aShadowOffset;

		        // prepare shadow offset
                aShadowOffset.set(0, 2, rShadow.getOffset().getX());
		        aShadowOffset.set(1, 2, rShadow.getOffset().getY());

		        // create shadow primitive and add content
		        aRetval[0] = Primitive2DReference(
                    new ShadowPrimitive2D(
                        aShadowOffset,
                        rShadow.getColor(),
                        rContent));

		        if(0.0 != rShadow.getTransparence())
		        {
			        // create SimpleTransparencePrimitive2D
			        const Primitive2DSequence aTempContent(&aRetval[0], 1);

                    aRetval[0] = Primitive2DReference(
                        new UnifiedTransparencePrimitive2D(
                            aTempContent,
                            rShadow.getTransparence()));
		        }

                aRetval[1] = Primitive2DReference(new GroupPrimitive2D(rContent));
                return aRetval;
			}
            else
            {
                return rContent;
            }
        }
	} // end of namespace primitive2d
} // end of namespace drawinglayer

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