svx/source/sdr/primitive2d/sdrellipseprimitive2d.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
  10  *
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  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 #include <sdr/primitive2d/sdrellipseprimitive2d.hxx>
  21 #include <basegfx/polygon/b2dpolygon.hxx>
  22 #include <basegfx/polygon/b2dpolygontools.hxx>
  23 #include <svx/sdr/primitive2d/sdrdecompositiontools.hxx>
  24 #include <drawinglayer/primitive2d/groupprimitive2d.hxx>
  25 #include <svx/sdr/primitive2d/svx_primitivetypes2d.hxx>
  26 #include <basegfx/color/bcolor.hxx>
  27 #include <basegfx/matrix/b2dhommatrixtools.hxx>
  28 #include <drawinglayer/primitive2d/sdrdecompositiontools2d.hxx>
  29
  30
  31
  32 using namespace com::sun::star;
  33
  34
  35
  36 namespace drawinglayer
  37 {
  38     namespace primitive2d
  39     {
  40         Primitive2DSequence SdrEllipsePrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*aViewInformation*/) const
  41         {
  42             Primitive2DSequence aRetval;
  43
  44             // create unit outline polygon
  45             // Do use createPolygonFromUnitCircle, but let create from first quadrant to mimic old geometry creation.
  46             // This is needed to have the same look when stroke is used since the polygon start point defines the
  47             // stroke start, too.
  48             basegfx::B2DPolygon aUnitOutline(basegfx::tools::createPolygonFromUnitCircle(1));
  49
  50             // scale and move UnitEllipse to UnitObject (-1,-1 1,1) -> (0,0 1,1)
  51             const basegfx::B2DHomMatrix aUnitCorrectionMatrix(
  52                 basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 0.5, 0.5, 0.5));
  53
  54             // apply to the geometry
  55             aUnitOutline.transform(aUnitCorrectionMatrix);
  56
  57             // add fill
  58             if(!getSdrLFSTAttribute().getFill().isDefault())
  59             {
  60                 basegfx::B2DPolyPolygon aTransformed(aUnitOutline);
  61
  62                 aTransformed.transform(getTransform());
  63                 appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
  64                     createPolyPolygonFillPrimitive(
  65                         aTransformed,
  66                         getSdrLFSTAttribute().getFill(),
  67                         getSdrLFSTAttribute().getFillFloatTransGradient()));
  68             }
  69
  70             // add line
  71             if(getSdrLFSTAttribute().getLine().isDefault())
  72             {
  73                 // create invisible line for HitTest/BoundRect
  74                 appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
  75                     createHiddenGeometryPrimitives2D(
  76                         false,
  77                         basegfx::B2DPolyPolygon(aUnitOutline),
  78                         getTransform()));
  79             }
  80             else
  81             {
  82                 basegfx::B2DPolygon aTransformed(aUnitOutline);
  83
  84                 aTransformed.transform(getTransform());
  85                 appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
  86                     createPolygonLinePrimitive(
  87                         aTransformed,
  88                         getSdrLFSTAttribute().getLine(),
  89                         attribute::SdrLineStartEndAttribute()));
  90             }
  91
  92             // add text
  93             if(!getSdrLFSTAttribute().getText().isDefault())
  94             {
  95                 appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
  96                     createTextPrimitive(
  97                         basegfx::B2DPolyPolygon(aUnitOutline),
  98                         getTransform(),
  99                         getSdrLFSTAttribute().getText(),
 100                         getSdrLFSTAttribute().getLine(),
 101                         false,
 102                         false,
 103                         false));
 104             }
 105
 106             // add shadow
 107             if(!getSdrLFSTAttribute().getShadow().isDefault())
 108             {
 109                 aRetval = createEmbeddedShadowPrimitive(
 110                     aRetval,
 111                     getSdrLFSTAttribute().getShadow());
 112             }
 113
 114             return aRetval;
 115         }
 116
 117         SdrEllipsePrimitive2D::SdrEllipsePrimitive2D(
 118             const basegfx::B2DHomMatrix& rTransform,
 119             const attribute::SdrLineFillShadowTextAttribute& rSdrLFSTAttribute)
 120         :   BufferedDecompositionPrimitive2D(),
 121             maTransform(rTransform),
 122             maSdrLFSTAttribute(rSdrLFSTAttribute)
 123         {
 124         }
 125
 126         bool SdrEllipsePrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
 127         {
 128             if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
 129             {
 130                 const SdrEllipsePrimitive2D& rCompare = static_cast<const SdrEllipsePrimitive2D&>(rPrimitive);
 131
 132                 return (getTransform() == rCompare.getTransform()
 133                     && getSdrLFSTAttribute() == rCompare.getSdrLFSTAttribute());
 134             }
 135
 136             return false;
 137         }
 138
 139         // provide unique ID
 140         ImplPrimitive2DIDBlock(SdrEllipsePrimitive2D, PRIMITIVE2D_ID_SDRELLIPSEPRIMITIVE2D)
 141
 142     } // end of namespace primitive2d
 143 } // end of namespace drawinglayer
 144
 145
 146
 147 namespace drawinglayer
 148 {
 149     namespace primitive2d
 150     {
 151         Primitive2DSequence SdrEllipseSegmentPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*aViewInformation*/) const
 152         {
 153             Primitive2DSequence aRetval;
 154
 155             // create unit outline polygon
 156             basegfx::B2DPolygon aUnitOutline(basegfx::tools::createPolygonFromUnitEllipseSegment(mfStartAngle, mfEndAngle));
 157
 158             if(mbCloseSegment)
 159             {
 160                 if(mbCloseUsingCenter)
 161                 {
 162                     // for compatibility, insert the center point at polygon start to get the same
 163                     // line stroking pattern as the old painting mechanisms.
 164                     aUnitOutline.insert(0L, basegfx::B2DPoint(0.0, 0.0));
 165                 }
 166
 167                 aUnitOutline.setClosed(true);
 168             }
 169
 170             // move and scale UnitEllipse to UnitObject (-1,-1 1,1) -> (0,0 1,1)
 171             const basegfx::B2DHomMatrix aUnitCorrectionMatrix(
 172                 basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 0.5, 0.5, 0.5));
 173
 174             // apply to the geometry
 175             aUnitOutline.transform(aUnitCorrectionMatrix);
 176
 177             // add fill
 178             if(!getSdrLFSTAttribute().getFill().isDefault() && aUnitOutline.isClosed())
 179             {
 180                 basegfx::B2DPolyPolygon aTransformed(aUnitOutline);
 181
 182                 aTransformed.transform(getTransform());
 183                 appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
 184                     createPolyPolygonFillPrimitive(
 185                         aTransformed,
 186                         getSdrLFSTAttribute().getFill(),
 187                         getSdrLFSTAttribute().getFillFloatTransGradient()));
 188             }
 189
 190             // add line
 191             if(getSdrLFSTAttribute().getLine().isDefault())
 192             {
 193                 // create invisible line for HitTest/BoundRect
 194                 appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
 195                     createHiddenGeometryPrimitives2D(
 196                         false,
 197                         basegfx::B2DPolyPolygon(aUnitOutline),
 198                         getTransform()));
 199             }
 200             else
 201             {
 202                 basegfx::B2DPolygon aTransformed(aUnitOutline);
 203
 204                 aTransformed.transform(getTransform());
 205                 appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
 206                     createPolygonLinePrimitive(
 207                         aTransformed,
 208                         getSdrLFSTAttribute().getLine(),
 209                         getSdrLFSTAttribute().getLineStartEnd()));
 210             }
 211
 212             // add text
 213             if(!getSdrLFSTAttribute().getText().isDefault())
 214             {
 215                 appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
 216                     createTextPrimitive(
 217                         basegfx::B2DPolyPolygon(aUnitOutline),
 218                         getTransform(),
 219                         getSdrLFSTAttribute().getText(),
 220                         getSdrLFSTAttribute().getLine(),
 221                         false,
 222                         false,
 223                         false));
 224             }
 225
 226             // add shadow
 227             if(!getSdrLFSTAttribute().getShadow().isDefault())
 228             {
 229                 aRetval = createEmbeddedShadowPrimitive(
 230                     aRetval,
 231                     getSdrLFSTAttribute().getShadow());
 232             }
 233
 234             return aRetval;
 235         }
 236
 237         SdrEllipseSegmentPrimitive2D::SdrEllipseSegmentPrimitive2D(
 238             const basegfx::B2DHomMatrix& rTransform,
 239             const attribute::SdrLineFillShadowTextAttribute& rSdrLFSTAttribute,
 240             double fStartAngle,
 241             double fEndAngle,
 242             bool bCloseSegment,
 243             bool bCloseUsingCenter)
 244         :   SdrEllipsePrimitive2D(rTransform, rSdrLFSTAttribute),
 245             mfStartAngle(fStartAngle),
 246             mfEndAngle(fEndAngle),
 247             mbCloseSegment(bCloseSegment),
 248             mbCloseUsingCenter(bCloseUsingCenter)
 249         {
 250         }
 251
 252         bool SdrEllipseSegmentPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
 253         {
 254             if(SdrEllipsePrimitive2D::operator==(rPrimitive))
 255             {
 256                 const SdrEllipseSegmentPrimitive2D& rCompare = static_cast<const SdrEllipseSegmentPrimitive2D&>(rPrimitive);
 257
 258                 if( mfStartAngle == rCompare.mfStartAngle
 259                     && mfEndAngle == rCompare.mfEndAngle
 260                     && mbCloseSegment == rCompare.mbCloseSegment
 261                     && mbCloseUsingCenter == rCompare.mbCloseUsingCenter)
 262                 {
 263                     return true;
 264                 }
 265             }
 266
 267             return false;
 268         }
 269
 270         // provide unique ID
 271         ImplPrimitive2DIDBlock(SdrEllipseSegmentPrimitive2D, PRIMITIVE2D_ID_SDRELLIPSESEGMENTPRIMITIVE2D)
 272
 273     } // end of namespace primitive2d
 274 } // end of namespace drawinglayer
 275
 276 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */