xref: /trunk/main/svx/source/sdr/contact/viewcontactofsdrcaptionobj.cxx (revision 3be598994e7b43df5b6acf9cd98e334f564d9374)

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 *
 * 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
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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