xref: /aoo42x/main/svx/source/sdr/contact/viewcontactofsdrcaptionobj.cxx (revision 672a9062)

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 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"

#include <svx/sdr/contact/viewcontactofsdrcaptionobj.hxx>
#include <svx/svdocapt.hxx>
#include <svx/sdr/primitive2d/sdrattributecreator.hxx>
#include <svx/sdr/primitive2d/sdrcaptionprimitive2d.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>

//////////////////////////////////////////////////////////////////////////////
// includes for special text box shadow (SC)

#include <svl/itemset.hxx>
#include <svx/xhatch.hxx>
#include <svx/xflhtit.hxx>
#include <svx/xflclit.hxx>
#include <svx/xfltrit.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <svx/sdr/primitive2d/sdrdecompositiontools.hxx>
#include <basegfx/polygon/b2dpolygonclipper.hxx>

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

namespace sdr
{
	namespace contact
	{
		ViewContactOfSdrCaptionObj::ViewContactOfSdrCaptionObj(SdrCaptionObj& rCaptionObj)
		:	ViewContactOfSdrRectObj(rCaptionObj)
		{
		}

		ViewContactOfSdrCaptionObj::~ViewContactOfSdrCaptionObj()
		{
		}

		drawinglayer::primitive2d::Primitive2DSequence ViewContactOfSdrCaptionObj::createViewIndependentPrimitive2DSequence() const
		{
			drawinglayer::primitive2d::Primitive2DSequence xRetval;
			const SdrCaptionObj& rCaptionObj(GetCaptionObj());
			const SfxItemSet& rItemSet = rCaptionObj.GetMergedItemSet();
			const drawinglayer::attribute::SdrLineFillShadowTextAttribute aAttribute(
				drawinglayer::primitive2d::createNewSdrLineFillShadowTextAttribute(
					rItemSet,
					rCaptionObj.getText(0),
					false));

			// take unrotated snap rect (direct model data) for position and size
			const Rectangle& rRectangle = rCaptionObj.GetGeoRect();
			const ::basegfx::B2DRange aObjectRange(
				rRectangle.Left(), rRectangle.Top(),
				rRectangle.Right(), rRectangle.Bottom());
			const GeoStat& rGeoStat(rCaptionObj.GetGeoStat());

			// fill object matrix
			basegfx::B2DHomMatrix aObjectMatrix(basegfx::tools::createScaleShearXRotateTranslateB2DHomMatrix(
				aObjectRange.getWidth(), aObjectRange.getHeight(),
				rGeoStat.nShearWink ? tan((36000 - rGeoStat.nShearWink) * F_PI18000) : 0.0,
				rGeoStat.nDrehWink ? (36000 - rGeoStat.nDrehWink) * F_PI18000 : 0.0,
				aObjectRange.getMinX(), aObjectRange.getMinY()));

			// calculate corner radius
			double fCornerRadiusX;
			double fCornerRadiusY;
			drawinglayer::primitive2d::calculateRelativeCornerRadius(
				rCaptionObj.GetEckenradius(), aObjectRange, fCornerRadiusX, fCornerRadiusY);

			// create primitive. Always create one (even if invisible) to let the decomposition
			// of SdrCaptionPrimitive2D create needed invisible elements for HitTest and BoundRect
			const drawinglayer::primitive2d::Primitive2DReference xReference(
				new drawinglayer::primitive2d::SdrCaptionPrimitive2D(
					aObjectMatrix,
					aAttribute,
					rCaptionObj.getTailPolygon(),
					fCornerRadiusX,
					fCornerRadiusY));

			xRetval = drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);

			if(!aAttribute.isDefault() && rCaptionObj.GetSpecialTextBoxShadow())
			{
				// for SC, the caption object may have a specialized shadow. The usual object shadow is off
				// and a specialized shadow gets created here (see old paint)
				const SdrShadowColorItem& rShadColItem = (SdrShadowColorItem&)(rItemSet.Get(SDRATTR_SHADOWCOLOR));
				const sal_uInt16 nShadowTransparence(((SdrShadowTransparenceItem&)(rItemSet.Get(SDRATTR_SHADOWTRANSPARENCE))).GetValue());
				const Color aShadowColor(rShadColItem.GetColorValue());
				const XFillStyle eShadowStyle = ((XFillStyleItem&)(rItemSet.Get(XATTR_FILLSTYLE))).GetValue();

				// Create own ItemSet and modify as needed
				// Always hide lines for special calc shadow
				SfxItemSet aSet(rItemSet);
				aSet.Put(XLineStyleItem(XLINE_NONE));

				if(XFILL_HATCH == eShadowStyle)
				{
					// #41666# Hatch color is set hard to shadow color
					XHatch aHatch = ((XFillHatchItem&)(rItemSet.Get(XATTR_FILLHATCH))).GetHatchValue();
					aHatch.SetColor(aShadowColor);
					aSet.Put(XFillHatchItem(String(),aHatch));
				}
				else
				{
					if(XFILL_SOLID != eShadowStyle)
					{
						// force fill to solid (for Gradient, Bitmap and *no* fill (#119750# not filled comments *have* shadow))
						aSet.Put(XFillStyleItem(XFILL_SOLID));
					}

					aSet.Put(XFillColorItem(String(),aShadowColor));
					aSet.Put(XFillTransparenceItem(nShadowTransparence));
				}

				// crete FillAttribute from modified ItemSet
				const drawinglayer::attribute::SdrFillAttribute aFill(
					drawinglayer::primitive2d::createNewSdrFillAttribute(aSet));
				drawinglayer::primitive2d::Primitive2DReference xSpecialShadow;

				if(!aFill.isDefault() && 1.0 != aFill.getTransparence())
				{
					// add shadow offset to object matrix
					const sal_uInt32 nXDist(((SdrShadowXDistItem&)(rItemSet.Get(SDRATTR_SHADOWXDIST))).GetValue());
					const sal_uInt32 nYDist(((SdrShadowYDistItem&)(rItemSet.Get(SDRATTR_SHADOWYDIST))).GetValue());

					if(nXDist || nYDist)
					{
						// #119750# create object and shadow outline, clip shadow outline
						// on object outline. If there is a rest, create shadow. Do this to
						// emulate that shadow is *not* visible behind the object for
						// transparent object fill for comments in excel
						basegfx::B2DPolygon aObjectOutline(
							basegfx::tools::createPolygonFromRect(
								basegfx::B2DRange(0.0, 0.0, 1.0, 1.0),
								fCornerRadiusX,
								fCornerRadiusY));
						aObjectOutline.transform(aObjectMatrix);

						// create shadow outline
						basegfx::B2DPolygon aShadowOutline(aObjectOutline);
						aShadowOutline.transform(
							basegfx::tools::createTranslateB2DHomMatrix(nXDist, nYDist));

						// clip shadow outline against object outline
						const basegfx::B2DPolyPolygon aClippedShadow(
							basegfx::tools::clipPolygonOnPolyPolygon(
								aShadowOutline,
								basegfx::B2DPolyPolygon(aObjectOutline),
								false, // take the outside
								false));

						if(aClippedShadow.count())
						{
							// if there is shadow, create the specialized shadow primitive
							xSpecialShadow = drawinglayer::primitive2d::createPolyPolygonFillPrimitive(
								aClippedShadow,
								aFill,
								drawinglayer::attribute::FillGradientAttribute());
						}
					}
				}

				if(xSpecialShadow.is())
				{
					// if we really got a special shadow, create a two-element retval with the shadow
					// behind the standard object's geometry
					xRetval.realloc(2);

					xRetval[0] = xSpecialShadow;
					xRetval[1] = xReference;
				}
			}

			return xRetval;
		}
	} // end of namespace contact
} // end of namespace sdr

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