svx/source/sdr/primitive2d/sdrdecompositiontools.cxx

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  31
  32 #include "precompiled_svx.hxx"
  33 #include <svx/sdr/primitive2d/sdrdecompositiontools.hxx>
  34 #include <svx/sdr/attribute/sdrallattribute.hxx>
  35 #include <drawinglayer/primitive2d/baseprimitive2d.hxx>
  36 #include <drawinglayer/attribute/sdrattribute.hxx>
  37 #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
  38 #include <drawinglayer/primitive2d/unifiedalphaprimitive2d.hxx>
  39 #include <drawinglayer/primitive2d/alphaprimitive2d.hxx>
  40 #include <basegfx/polygon/b2dpolypolygontools.hxx>
  41 #include <drawinglayer/primitive2d/fillgradientprimitive2d.hxx>
  42 #include <drawinglayer/attribute/strokeattribute.hxx>
  43 #include <drawinglayer/attribute/linestartendattribute.hxx>
  44 #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
  45 #include <drawinglayer/attribute/sdrfillbitmapattribute.hxx>
  46 #include <basegfx/matrix/b2dhommatrix.hxx>
  47 #include <drawinglayer/primitive2d/shadowprimitive2d.hxx>
  48 #include <svx/sdr/attribute/sdrtextattribute.hxx>
  49 #include <svx/sdr/primitive2d/sdrtextprimitive2d.hxx>
  50 #include <svx/svdotext.hxx>
  51 #include <basegfx/polygon/b2dpolygontools.hxx>
  52 #include <drawinglayer/primitive2d/animatedprimitive2d.hxx>
  53 #include <drawinglayer/animation/animationtiming.hxx>
  54 #include <drawinglayer/primitive2d/maskprimitive2d.hxx>
  55 #include <basegfx/tools/canvastools.hxx>
  56 #include <drawinglayer/geometry/viewinformation2d.hxx>
  57 #include <drawinglayer/primitive2d/texthierarchyprimitive2d.hxx>
  58
  59 //////////////////////////////////////////////////////////////////////////////
  60
  61 using namespace com::sun::star;
  62
  63 //////////////////////////////////////////////////////////////////////////////
  64
  65 namespace drawinglayer
  66 {
  67     namespace primitive2d
  68     {
  69         Primitive2DReference createPolyPolygonFillPrimitive(
  70             const basegfx::B2DPolyPolygon& rUnitPolyPolygon,
  71             const basegfx::B2DHomMatrix& rObjectTransform,
  72             const attribute::SdrFillAttribute& rFill,
  73             const attribute::FillGradientAttribute* pFillGradient)
  74         {
  75             // prepare fully scaled polygon
  76             basegfx::B2DPolyPolygon aScaledPolyPolygon(rUnitPolyPolygon);
  77             aScaledPolyPolygon.transform(rObjectTransform);
  78             BasePrimitive2D* pNewFillPrimitive = 0L;
  79
  80             if(rFill.isGradient())
  81             {
  82                 pNewFillPrimitive = new PolyPolygonGradientPrimitive2D(aScaledPolyPolygon, rFill.getColor(), *rFill.getGradient());
  83             }
  84             else if(rFill.isHatch())
  85             {
  86                 pNewFillPrimitive = new PolyPolygonHatchPrimitive2D(aScaledPolyPolygon, rFill.getColor(), *rFill.getHatch());
  87             }
  88             else if(rFill.isBitmap())
  89             {
  90                 const basegfx::B2DRange aRange(basegfx::tools::getRange(aScaledPolyPolygon));
  91                 pNewFillPrimitive = new PolyPolygonBitmapPrimitive2D(aScaledPolyPolygon, rFill.getColor(), rFill.getBitmap()->getFillBitmapAttribute(aRange));
  92             }
  93             else
  94             {
  95                 pNewFillPrimitive = new PolyPolygonColorPrimitive2D(aScaledPolyPolygon, rFill.getColor());
  96             }
  97
  98             if(0.0 != rFill.getTransparence())
  99             {
 100                 // create simpleTransparencePrimitive, add created fill primitive
 101                 const Primitive2DReference xRefA(pNewFillPrimitive);
 102                 const Primitive2DSequence aContent(&xRefA, 1L);
 103                 return Primitive2DReference(new UnifiedAlphaPrimitive2D(aContent, rFill.getTransparence()));
 104             }
 105             else if(pFillGradient)
 106             {
 107                 // create sequence with created fill primitive
 108                 const Primitive2DReference xRefA(pNewFillPrimitive);
 109                 const Primitive2DSequence aContent(&xRefA, 1L);
 110
 111                 // create FillGradientPrimitive2D for transparence and add to new sequence
 112                 // fillGradientPrimitive is enough here (compared to PolyPolygonGradientPrimitive2D) since float transparence will be masked anyways
 113                 const basegfx::B2DRange aRange(basegfx::tools::getRange(aScaledPolyPolygon));
 114                 const Primitive2DReference xRefB(new FillGradientPrimitive2D(aRange, *pFillGradient));
 115                 const Primitive2DSequence aAlpha(&xRefB, 1L);
 116
 117                 // create AlphaPrimitive2D using alpha and content
 118                 return Primitive2DReference(new AlphaPrimitive2D(aContent, aAlpha));
 119             }
 120             else
 121             {
 122                 // add to decomposition
 123                 return Primitive2DReference(pNewFillPrimitive);
 124             }
 125         }
 126
 127         Primitive2DReference createPolygonLinePrimitive(
 128             const basegfx::B2DPolygon& rUnitPolygon,
 129             const basegfx::B2DHomMatrix& rObjectTransform,
 130             const attribute::SdrLineAttribute& rLine,
 131             const attribute::SdrLineStartEndAttribute* pStroke)
 132         {
 133             // prepare fully scaled polygon
 134             basegfx::B2DPolygon aScaledPolygon(rUnitPolygon);
 135             aScaledPolygon.transform(rObjectTransform);
 136
 137             // create line and stroke attribute
 138             const attribute::LineAttribute aLineAttribute(rLine.getColor(), rLine.getWidth(), rLine.getJoin());
 139             const attribute::StrokeAttribute aStrokeAttribute(rLine.getDotDashArray(), rLine.getFullDotDashLen());
 140             BasePrimitive2D* pNewLinePrimitive = 0L;
 141
 142             if(!rUnitPolygon.isClosed() && pStroke)
 143             {
 144                 attribute::LineStartEndAttribute aStart(pStroke->getStartWidth(), pStroke->getStartPolyPolygon(), pStroke->isStartCentered());
 145                 attribute::LineStartEndAttribute aEnd(pStroke->getEndWidth(), pStroke->getEndPolyPolygon(), pStroke->isEndCentered());
 146
 147                 // create data
 148                 pNewLinePrimitive = new PolygonStrokeArrowPrimitive2D(aScaledPolygon, aLineAttribute, aStrokeAttribute, aStart, aEnd);
 149             }
 150             else
 151             {
 152                 // create data
 153                 pNewLinePrimitive = new PolygonStrokePrimitive2D(aScaledPolygon, aLineAttribute, aStrokeAttribute);
 154             }
 155
 156             if(0.0 != rLine.getTransparence())
 157             {
 158                 // create simpleTransparencePrimitive, add created fill primitive
 159                 const Primitive2DReference xRefA(pNewLinePrimitive);
 160                 const Primitive2DSequence aContent(&xRefA, 1L);
 161                 return Primitive2DReference(new UnifiedAlphaPrimitive2D(aContent, rLine.getTransparence()));
 162             }
 163             else
 164             {
 165                 // add to decomposition
 166                 return Primitive2DReference(pNewLinePrimitive);
 167             }
 168         }
 169
 170         Primitive2DReference createTextPrimitive(
 171             const basegfx::B2DPolyPolygon& rUnitPolyPolygon,
 172             const basegfx::B2DHomMatrix& rObjectTransform,
 173             const attribute::SdrTextAttribute& rText,
 174             const attribute::SdrLineAttribute* pStroke,
 175             bool bCellText,
 176             bool bWordWrap)
 177         {
 178             basegfx::B2DHomMatrix aAnchorTransform(rObjectTransform);
 179             SdrTextPrimitive2D* pNew = 0;
 180
 181             if(rText.isContour())
 182             {
 183                 // contour text
 184                 if(pStroke && 0.0 != pStroke->getWidth())
 185                 {
 186                     // take line width into account and shrink contour polygon accordingly
 187                     // decompose to get scale
 188                     basegfx::B2DVector aScale, aTranslate;
 189                     double fRotate, fShearX;
 190                     rObjectTransform.decompose(aScale, aTranslate, fRotate, fShearX);
 191
 192                     // scale outline to object's size to allow growing with value relative to that size
 193                     // and also to keep aspect ratio
 194                     basegfx::B2DHomMatrix aScaleTransform;
 195                     aScaleTransform.set(0, 0, fabs(aScale.getX()));
 196                     aScaleTransform.set(1, 1, fabs(aScale.getY()));
 197                     basegfx::B2DPolyPolygon aScaledUnitPolyPolygon(rUnitPolyPolygon);
 198                     aScaledUnitPolyPolygon.transform(aScaleTransform);
 199
 200                     // grow the polygon. To shrink, use negative value (half width)
 201                     aScaledUnitPolyPolygon = basegfx::tools::growInNormalDirection(aScaledUnitPolyPolygon, -(pStroke->getWidth() * 0.5));
 202
 203                     // scale back to unit polygon
 204                     aScaleTransform.set(0, 0, 0.0 != aScale.getX() ? 1.0 / aScale.getX() : 1.0);
 205                     aScaleTransform.set(1, 1, 0.0 != aScale.getY() ? 1.0 / aScale.getY() : 1.0);
 206                     aScaledUnitPolyPolygon.transform(aScaleTransform);
 207
 208                     // create with unit polygon
 209                     pNew = new SdrContourTextPrimitive2D(
 210                         &rText.getSdrText(),
 211                         rText.getOutlinerParaObject(),
 212                         aScaledUnitPolyPolygon,
 213                         rObjectTransform);
 214                 }
 215                 else
 216                 {
 217                     // create with unit polygon
 218                     pNew = new SdrContourTextPrimitive2D(
 219                         &rText.getSdrText(),
 220                         rText.getOutlinerParaObject(),
 221                         rUnitPolyPolygon,
 222                         rObjectTransform);
 223                 }
 224             }
 225             else if(rText.getSdrFormTextAttribute())
 226             {
 227                 // text on path, use scaled polygon
 228                 basegfx::B2DPolyPolygon aScaledPolyPolygon(rUnitPolyPolygon);
 229                 aScaledPolyPolygon.transform(rObjectTransform);
 230                 pNew = new SdrPathTextPrimitive2D(
 231                     &rText.getSdrText(),
 232                     rText.getOutlinerParaObject(),
 233                     aScaledPolyPolygon,
 234                     *rText.getSdrFormTextAttribute());
 235             }
 236             else
 237             {
 238                 // rObjectTransform is the whole SdrObject transformation from unit rectangle
 239                 // to it's size and position. Decompose to allow working with single values.
 240                 basegfx::B2DVector aScale, aTranslate;
 241                 double fRotate, fShearX;
 242                 rObjectTransform.decompose(aScale, aTranslate, fRotate, fShearX);
 243
 244                 // extract mirroring
 245                 const bool bMirrorX(basegfx::fTools::less(aScale.getX(), 0.0));
 246                 const bool bMirrorY(basegfx::fTools::less(aScale.getY(), 0.0));
 247                 aScale = basegfx::absolute(aScale);
 248
 249                 // Get the real size, since polygon ountline and scale
 250                 // from the object transformation may vary (e.g. ellipse segments)
 251                 basegfx::B2DHomMatrix aJustScaleTransform;
 252                 aJustScaleTransform.set(0, 0, aScale.getX());
 253                 aJustScaleTransform.set(1, 1, aScale.getY());
 254                 basegfx::B2DPolyPolygon aScaledUnitPolyPolygon(rUnitPolyPolygon);
 255                 aScaledUnitPolyPolygon.transform(aJustScaleTransform);
 256                 const basegfx::B2DRange aSnapRange(basegfx::tools::getRange(aScaledUnitPolyPolygon));
 257
 258                 // create a range describing the wanted text position and size (aTextAnchorRange). This
 259                 // means to use the text distance values here
 260                 const basegfx::B2DPoint aTopLeft(aSnapRange.getMinX() + rText.getTextLeftDistance(), aSnapRange.getMinY() + rText.getTextUpperDistance());
 261                 const basegfx::B2DPoint aBottomRight(aSnapRange.getMaxX() - rText.getTextRightDistance(), aSnapRange.getMaxY() - rText.getTextLowerDistance());
 262                 basegfx::B2DRange aTextAnchorRange;
 263                 aTextAnchorRange.expand(aTopLeft);
 264                 aTextAnchorRange.expand(aBottomRight);
 265
 266                 // now create a transformation from this basic range (aTextAnchorRange)
 267                 aAnchorTransform.identity();
 268                 aAnchorTransform.scale(aTextAnchorRange.getWidth(), aTextAnchorRange.getHeight());
 269                 aAnchorTransform.translate(aTextAnchorRange.getMinX(), aTextAnchorRange.getMinY());
 270
 271                 // apply mirroring
 272                 aAnchorTransform.scale(bMirrorX ? -1.0 : 1.0, bMirrorY ? -1.0 : 1.0);
 273
 274                 // apply object's other transforms
 275                 aAnchorTransform.shearX(fShearX);
 276                 aAnchorTransform.rotate(fRotate);
 277                 aAnchorTransform.translate(aTranslate.getX(), aTranslate.getY());
 278
 279                 if(rText.isFitToSize())
 280                 {
 281                     // streched text in range
 282                     pNew = new SdrStretchTextPrimitive2D(
 283                         &rText.getSdrText(),
 284                         rText.getOutlinerParaObject(),
 285                         aAnchorTransform);
 286                 }
 287                                 else if(rText.isAutoFit())
 288                                 {
 289                                         // isotrophically scaled text in range
 290                                         pNew = new SdrAutoFitTextPrimitive2D(&rText.getSdrText(), rText.getOutlinerParaObject(), aAnchorTransform, bWordWrap);
 291                                 }
 292                 else // text in range
 293                 {
 294                     // build new primitive
 295                     pNew = new SdrBlockTextPrimitive2D(
 296                         &rText.getSdrText(),
 297                         rText.getOutlinerParaObject(),
 298                         aAnchorTransform,
 299                         rText.isScroll(),
 300                         bCellText,
 301                         bWordWrap);
 302                 }
 303             }
 304
 305             OSL_ENSURE(pNew != 0, "createTextPrimitive: no text primitive created (!)");
 306
 307             if(rText.isBlink())
 308             {
 309                 // prepare animation and primitive list
 310                 drawinglayer::animation::AnimationEntryList aAnimationList;
 311                 rText.getBlinkTextTiming(aAnimationList);
 312
 313                 if(0.0 != aAnimationList.getDuration())
 314                 {
 315                     // create content sequence
 316                     const Primitive2DReference xRefA(pNew);
 317                     const Primitive2DSequence aContent(&xRefA, 1L);
 318
 319                     // create and add animated switch primitive
 320                     return Primitive2DReference(new AnimatedBlinkPrimitive2D(aAnimationList, aContent, true));
 321                 }
 322                 else
 323                 {
 324                     // add to decomposition
 325                     return Primitive2DReference(pNew);
 326                 }
 327             }
 328
 329             if(rText.isScroll())
 330             {
 331                 // suppress scroll when FontWork
 332                 if(!rText.getSdrFormTextAttribute())
 333                 {
 334                     // get scroll direction
 335                     const SdrTextAniDirection eDirection(rText.getSdrText().GetObject().GetTextAniDirection());
 336                     const bool bHorizontal(SDRTEXTANI_LEFT == eDirection || SDRTEXTANI_RIGHT == eDirection);
 337
 338                     // decompose to get separated values for the scroll box
 339                     basegfx::B2DVector aScale, aTranslate;
 340                     double fRotate, fShearX;
 341                     aAnchorTransform.decompose(aScale, aTranslate, fRotate, fShearX);
 342
 343                     // build transform from scaled only to full AnchorTransform and inverse
 344                     basegfx::B2DHomMatrix aSRT;
 345                     aSRT.shearX(fShearX);
 346                     aSRT.rotate(fRotate);
 347                     aSRT.translate(aTranslate.getX(), aTranslate.getY());
 348                     basegfx::B2DHomMatrix aISRT(aSRT);
 349                     aISRT.invert();
 350
 351                     // bring the primitive back to scaled only and get scaled range, create new clone for this
 352                     SdrTextPrimitive2D* pNew2 = pNew->createTransformedClone(aISRT);
 353                     OSL_ENSURE(pNew2, "createTextPrimitive: Could not create transformed clone of text primitive (!)");
 354                     delete pNew;
 355                     pNew = pNew2;
 356
 357                     // create neutral geometry::ViewInformation2D for local range and decompose calls. This is okay
 358                     // since the decompose is view-independent
 359                     const uno::Sequence< beans::PropertyValue > xViewParameters;
 360                     geometry::ViewInformation2D aViewInformation2D(xViewParameters);
 361
 362                     // get range
 363                     const basegfx::B2DRange aScaledRange(pNew->getB2DRange(aViewInformation2D));
 364
 365                     // create left outside and right outside transformations. Also take care
 366                     // of the clip rectangle
 367                     basegfx::B2DHomMatrix aLeft, aRight;
 368                     basegfx::B2DPoint aClipTopLeft(0.0, 0.0);
 369                     basegfx::B2DPoint aClipBottomRight(aScale.getX(), aScale.getY());
 370
 371                     if(bHorizontal)
 372                     {
 373                         aClipTopLeft.setY(aScaledRange.getMinY());
 374                         aClipBottomRight.setY(aScaledRange.getMaxY());
 375                         aLeft.translate(-aScaledRange.getMaxX(), 0.0);
 376                         aRight.translate(aScale.getX() - aScaledRange.getMinX(), 0.0);
 377                     }
 378                     else
 379                     {
 380                         aClipTopLeft.setX(aScaledRange.getMinX());
 381                         aClipBottomRight.setX(aScaledRange.getMaxX());
 382                         aLeft.translate(0.0, -aScaledRange.getMaxY());
 383                         aRight.translate(0.0, aScale.getY() - aScaledRange.getMinY());
 384                     }
 385
 386                     aLeft *= aSRT;
 387                     aRight *= aSRT;
 388
 389                     // prepare animation list
 390                     drawinglayer::animation::AnimationEntryList aAnimationList;
 391
 392                     if(bHorizontal)
 393                     {
 394                         rText.getScrollTextTiming(aAnimationList, aScale.getX(), aScaledRange.getWidth());
 395                     }
 396                     else
 397                     {
 398                         rText.getScrollTextTiming(aAnimationList, aScale.getY(), aScaledRange.getHeight());
 399                     }
 400
 401                     if(0.0 != aAnimationList.getDuration())
 402                     {
 403                         // create a new Primitive2DSequence containing the animated text in it's scaled only state.
 404                         // use the decomposition to force to simple text primitives, those will no longer
 405                         // need the outliner for formatting (alternatively it is also possible to just add
 406                         // pNew to aNewPrimitiveSequence)
 407                         Primitive2DSequence aAnimSequence(pNew->get2DDecomposition(aViewInformation2D));
 408                         delete pNew;
 409
 410                         // create a new animatedInterpolatePrimitive and add it
 411                         std::vector< basegfx::B2DHomMatrix > aMatrixStack;
 412                         aMatrixStack.push_back(aLeft);
 413                         aMatrixStack.push_back(aRight);
 414                         const Primitive2DReference xRefA(new AnimatedInterpolatePrimitive2D(aMatrixStack, aAnimationList, aAnimSequence, true));
 415                         const Primitive2DSequence aContent(&xRefA, 1L);
 416
 417                         // scrolling needs an encapsulating clipping primitive
 418                         const basegfx::B2DRange aClipRange(aClipTopLeft, aClipBottomRight);
 419                         basegfx::B2DPolygon aClipPolygon(basegfx::tools::createPolygonFromRect(aClipRange));
 420                         aClipPolygon.transform(aSRT);
 421                         return Primitive2DReference(new MaskPrimitive2D(basegfx::B2DPolyPolygon(aClipPolygon), aContent));
 422                     }
 423                     else
 424                     {
 425                         // add to decomposition
 426                         return Primitive2DReference(pNew);
 427                     }
 428                 }
 429             }
 430
 431             if(rText.isInEditMode())
 432             {
 433                 // #i97628#
 434                 // encapsulate with TextHierarchyEditPrimitive2D to allow renderers
 435                 // to suppress actively edited content if needed
 436                 const Primitive2DReference xRefA(pNew);
 437                 const Primitive2DSequence aContent(&xRefA, 1L);
 438
 439                 // create and add TextHierarchyEditPrimitive2D primitive
 440                 return Primitive2DReference(new TextHierarchyEditPrimitive2D(aContent));
 441             }
 442             else
 443             {
 444                 // add to decomposition
 445                 return Primitive2DReference(pNew);
 446             }
 447         }
 448
 449         Primitive2DSequence createEmbeddedShadowPrimitive(
 450             const Primitive2DSequence& rContent,
 451             const attribute::SdrShadowAttribute& rShadow)
 452         {
 453             if(rContent.hasElements())
 454             {
 455                 Primitive2DSequence aRetval(2);
 456                 basegfx::B2DHomMatrix aShadowOffset;
 457
 458                 // prepare shadow offset
 459                 aShadowOffset.set(0, 2, rShadow.getOffset().getX());
 460                 aShadowOffset.set(1, 2, rShadow.getOffset().getY());
 461
 462                 // create shadow primitive and add content
 463                 aRetval[0] = Primitive2DReference(
 464                     new ShadowPrimitive2D(
 465                         aShadowOffset,
 466                         rShadow.getColor(),
 467                         rContent));
 468
 469                 if(0.0 != rShadow.getTransparence())
 470                 {
 471                     // create SimpleTransparencePrimitive2D
 472                     const Primitive2DSequence aTempContent(&aRetval[0], 1);
 473
 474                     aRetval[0] = Primitive2DReference(
 475                         new UnifiedAlphaPrimitive2D(
 476                             aTempContent,
 477                             rShadow.getTransparence()));
 478                 }
 479
 480                 aRetval[1] = Primitive2DReference(new GroupPrimitive2D(rContent));
 481                 return aRetval;
 482             }
 483             else
 484             {
 485                 return rContent;
 486             }
 487         }
 488     } // end of namespace primitive2d
 489 } // end of namespace drawinglayer
 490
 491 //////////////////////////////////////////////////////////////////////////////
 492 // eof