svx/source/sdr/contact/viewcontactofsdrcaptionobj.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <sdr/contact/viewcontactofsdrcaptionobj.hxx>
  22 #include <svx/svdocapt.hxx>
  23 #include <sdr/primitive2d/sdrattributecreator.hxx>
  24 #include <sdr/primitive2d/sdrcaptionprimitive2d.hxx>
  25 #include <basegfx/matrix/b2dhommatrixtools.hxx>
  26
  27
  28 // includes for special text box shadow (SC)
  29
  30 #include <svl/itemset.hxx>
  31 #include <svx/xhatch.hxx>
  32 #include <svx/xfillit0.hxx>
  33 #include <svx/xflhtit.hxx>
  34 #include <svx/xflclit.hxx>
  35 #include <svx/xfltrit.hxx>
  36 #include <svx/xlineit0.hxx>
  37 #include <svx/sdmetitm.hxx>
  38 #include <svx/sdooitm.hxx>
  39 #include <svx/sdprcitm.hxx>
  40 #include <basegfx/polygon/b2dpolygontools.hxx>
  41 #include <sdr/primitive2d/sdrdecompositiontools.hxx>
  42 #include <basegfx/polygon/b2dpolygonclipper.hxx>
  43 #include <vcl/canvastools.hxx>
  44
  45 using namespace com::sun::star;
  46
  47 namespace sdr::contact
  48 {
  49         ViewContactOfSdrCaptionObj::ViewContactOfSdrCaptionObj(SdrCaptionObj& rCaptionObj)
  50         :   ViewContactOfSdrRectObj(rCaptionObj)
  51         {
  52         }
  53
  54         ViewContactOfSdrCaptionObj::~ViewContactOfSdrCaptionObj()
  55         {
  56         }
  57
  58         void ViewContactOfSdrCaptionObj::createViewIndependentPrimitive2DSequence(drawinglayer::primitive2d::Primitive2DDecompositionVisitor& rVisitor) const
  59         {
  60             const SdrCaptionObj& rCaptionObj(static_cast<const SdrCaptionObj&>(GetSdrObject()));
  61             const SfxItemSet& rItemSet = rCaptionObj.GetMergedItemSet();
  62             const drawinglayer::attribute::SdrLineFillEffectsTextAttribute aAttribute(
  63                 drawinglayer::primitive2d::createNewSdrLineFillEffectsTextAttribute(
  64                     rItemSet,
  65                     rCaptionObj.getText(0),
  66                     false, rCaptionObj.GetSpecialTextBoxShadow()));
  67
  68             // take unrotated snap rect (direct model data) for position and size
  69             const tools::Rectangle aRectangle(rCaptionObj.GetGeoRect());
  70             const ::basegfx::B2DRange aObjectRange = vcl::unotools::b2DRectangleFromRectangle(aRectangle);
  71             const GeoStat& rGeoStat(rCaptionObj.GetGeoStat());
  72
  73             // fill object matrix
  74             basegfx::B2DHomMatrix aObjectMatrix(basegfx::utils::createScaleShearXRotateTranslateB2DHomMatrix(
  75                 aObjectRange.getWidth(), aObjectRange.getHeight(),
  76                 -rGeoStat.mfTanShearAngle,
  77                 rGeoStat.m_nRotationAngle ? toRadians(36000_deg100 - rGeoStat.m_nRotationAngle) : 0.0,
  78                 aObjectRange.getMinX(), aObjectRange.getMinY()));
  79
  80             // calculate corner radius
  81             double fCornerRadiusX;
  82             double fCornerRadiusY;
  83             drawinglayer::primitive2d::calculateRelativeCornerRadius(
  84                 rCaptionObj.GetEckenradius(), aObjectRange, fCornerRadiusX, fCornerRadiusY);
  85             basegfx::B2DPolygon aTail(rCaptionObj.getTailPolygon());
  86
  87             // create primitive. Always create one (even if invisible) to let the decomposition
  88             // of SdrCaptionPrimitive2D create needed invisible elements for HitTest and BoundRect
  89             drawinglayer::primitive2d::Primitive2DReference xReference(
  90                 new drawinglayer::primitive2d::SdrCaptionPrimitive2D(
  91                     aObjectMatrix,
  92                     aAttribute,
  93                     std::move(aTail),
  94                     fCornerRadiusX,
  95                     fCornerRadiusY));
  96
  97             if(!aAttribute.isDefault() && rCaptionObj.GetSpecialTextBoxShadow())
  98             {
  99                 // for SC, the caption object may have a specialized shadow. The usual object shadow is off
 100                 // and a specialized shadow gets created here (see old paint)
 101                 const XColorItem& rShadColItem = rItemSet.Get(SDRATTR_SHADOWCOLOR);
 102                 const sal_uInt16 nShadowTransparence(rItemSet.Get(SDRATTR_SHADOWTRANSPARENCE).GetValue());
 103                 const Color aShadowColor(rShadColItem.GetColorValue());
 104                 const drawing::FillStyle eShadowStyle = rItemSet.Get(XATTR_FILLSTYLE).GetValue();
 105
 106                 // Create own ItemSet and modify as needed
 107                 // Always hide lines for special calc shadow
 108                 SfxItemSet aSet(rItemSet);
 109                 aSet.Put(XLineStyleItem(drawing::LineStyle_NONE));
 110
 111                 if(drawing::FillStyle_HATCH == eShadowStyle)
 112                 {
 113                     // #41666# Hatch color is set hard to shadow color
 114                     XHatch aHatch = rItemSet.Get(XATTR_FILLHATCH).GetHatchValue();
 115                     aHatch.SetColor(aShadowColor);
 116                     aSet.Put(XFillHatchItem(OUString(),aHatch));
 117                 }
 118                 else
 119                 {
 120                     if(drawing::FillStyle_SOLID != eShadowStyle)
 121                     {
 122                         // force fill to solid (for Gradient, Bitmap and *no* fill (#119750# not filled comments *have* shadow))
 123                         aSet.Put(XFillStyleItem(drawing::FillStyle_SOLID));
 124                     }
 125
 126                     aSet.Put(XFillColorItem(OUString(),aShadowColor));
 127                     aSet.Put(XFillTransparenceItem(nShadowTransparence));
 128                 }
 129
 130                 // create FillAttribute from modified ItemSet
 131                 const drawinglayer::attribute::SdrFillAttribute aFill(
 132                     drawinglayer::primitive2d::createNewSdrFillAttribute(aSet));
 133                 drawinglayer::primitive2d::Primitive2DReference xSpecialShadow;
 134
 135                 if(!aFill.isDefault() && 1.0 != aFill.getTransparence())
 136                 {
 137                     // add shadow offset to object matrix
 138                     const bool bShadow(rItemSet.Get(SDRATTR_SHADOW).GetValue());
 139                     const sal_uInt32 nXDist(rItemSet.Get(SDRATTR_SHADOWXDIST).GetValue());
 140                     const sal_uInt32 nYDist(rItemSet.Get(SDRATTR_SHADOWYDIST).GetValue());
 141
 142                     if (bShadow && (nXDist || nYDist))
 143                     {
 144                         // #119750# create object and shadow outline, clip shadow outline
 145                         // on object outline. If there is a rest, create shadow. Do this to
 146                         // emulate that shadow is *not* visible behind the object for
 147                         // transparent object fill for comments in excel
 148                         basegfx::B2DPolygon aObjectOutline(
 149                             basegfx::utils::createPolygonFromRect(
 150                                 basegfx::B2DRange(0.0, 0.0, 1.0, 1.0),
 151                                 fCornerRadiusX,
 152                                 fCornerRadiusY));
 153                         aObjectOutline.transform(aObjectMatrix);
 154
 155                         // create shadow outline
 156                         basegfx::B2DPolygon aShadowOutline(aObjectOutline);
 157                         aShadowOutline.transform(
 158                             basegfx::utils::createTranslateB2DHomMatrix(nXDist, nYDist));
 159
 160                         // clip shadow outline against object outline
 161                         const basegfx::B2DPolyPolygon aClippedShadow(
 162                             basegfx::utils::clipPolygonOnPolyPolygon(
 163                                 aShadowOutline,
 164                                 basegfx::B2DPolyPolygon(aObjectOutline),
 165                                 false, // take the outside
 166                                 false));
 167
 168                         if(aClippedShadow.count())
 169                         {
 170                             // if there is shadow, create the specialized shadow primitive
 171                             xSpecialShadow = drawinglayer::primitive2d::createPolyPolygonFillPrimitive(
 172                                 aClippedShadow,
 173                                 aFill,
 174                                 drawinglayer::attribute::FillGradientAttribute());
 175                         }
 176                     }
 177                 }
 178
 179                 if(xSpecialShadow.is())
 180                 {
 181                     // if we really got a special shadow, create a two-element retval with the shadow
 182                     // behind the standard object's geometry
 183                     rVisitor.visit(std::move(xSpecialShadow));
 184                 }
 185             }
 186
 187             rVisitor.visit(std::move(xReference));
 188         }
 189
 190 } // end of namespace
 191
 192 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */