xref: /AOO41X/main/drawinglayer/source/texture/texture.cxx (revision 035a2f44eca4e31ced924464e6584eacbf3e9114) 
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_drawinglayer.hxx"
26 
27 #include <drawinglayer/texture/texture.hxx>
28 #include <basegfx/numeric/ftools.hxx>
29 #include <basegfx/tools/gradienttools.hxx>
30 #include <basegfx/matrix/b2dhommatrixtools.hxx>
31 
32 //////////////////////////////////////////////////////////////////////////////
33 
34 namespace drawinglayer
35 {
36     namespace texture
37     {
GeoTexSvx()38         GeoTexSvx::GeoTexSvx()
39         {
40         }
41 
~GeoTexSvx()42         GeoTexSvx::~GeoTexSvx()
43         {
44         }
45 
operator ==(const GeoTexSvx &) const46         bool GeoTexSvx::operator==(const GeoTexSvx& /*rGeoTexSvx*/) const
47         {
48             // default implementation says yes (no data -> no difference)
49             return true;
50         }
51 
modifyBColor(const basegfx::B2DPoint &,basegfx::BColor & rBColor,double &) const52         void GeoTexSvx::modifyBColor(const basegfx::B2DPoint& /*rUV*/, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
53         {
54             // base implementation creates random color (for testing only, may also be pure virtual)
55             rBColor.setRed((rand() & 0x7fff) / 32767.0);
56             rBColor.setGreen((rand() & 0x7fff) / 32767.0);
57             rBColor.setBlue((rand() & 0x7fff) / 32767.0);
58         }
59 
modifyOpacity(const basegfx::B2DPoint & rUV,double & rfOpacity) const60         void GeoTexSvx::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
61         {
62             // base implementation uses inverse of luminance of solved color (for testing only, may also be pure virtual)
63             basegfx::BColor aBaseColor;
64             modifyBColor(rUV, aBaseColor, rfOpacity);
65             rfOpacity = 1.0 - aBaseColor.luminance();
66         }
67     } // end of namespace texture
68 } // end of namespace drawinglayer
69 
70 //////////////////////////////////////////////////////////////////////////////
71 
72 namespace drawinglayer
73 {
74     namespace texture
75     {
GeoTexSvxGradient(const basegfx::B2DRange & rTargetRange,const basegfx::BColor & rStart,const basegfx::BColor & rEnd,sal_uInt32,double fBorder)76         GeoTexSvxGradient::GeoTexSvxGradient(
77             const basegfx::B2DRange& rTargetRange,
78             const basegfx::BColor& rStart,
79             const basegfx::BColor& rEnd,
80             sal_uInt32 /* nSteps */,
81             double fBorder)
82         :   GeoTexSvx(),
83             maGradientInfo(),
84             maTargetRange(rTargetRange),
85             maStart(rStart),
86             maEnd(rEnd),
87             mfBorder(fBorder)
88         {
89         }
90 
~GeoTexSvxGradient()91         GeoTexSvxGradient::~GeoTexSvxGradient()
92         {
93         }
94 
operator ==(const GeoTexSvx & rGeoTexSvx) const95         bool GeoTexSvxGradient::operator==(const GeoTexSvx& rGeoTexSvx) const
96         {
97             const GeoTexSvxGradient* pCompare = dynamic_cast< const GeoTexSvxGradient* >(&rGeoTexSvx);
98 
99             return (pCompare
100                 && maGradientInfo == pCompare->maGradientInfo
101                 && maTargetRange == pCompare->maTargetRange
102                 && mfBorder == pCompare->mfBorder);
103         }
104     } // end of namespace texture
105 } // end of namespace drawinglayer
106 
107 //////////////////////////////////////////////////////////////////////////////
108 
109 namespace drawinglayer
110 {
111     namespace texture
112     {
GeoTexSvxGradientLinear(const basegfx::B2DRange & rTargetRange,const basegfx::BColor & rStart,const basegfx::BColor & rEnd,sal_uInt32 nSteps,double fBorder,double fAngle)113         GeoTexSvxGradientLinear::GeoTexSvxGradientLinear(
114             const basegfx::B2DRange& rTargetRange,
115             const basegfx::BColor& rStart,
116             const basegfx::BColor& rEnd,
117             sal_uInt32 nSteps,
118             double fBorder,
119             double fAngle)
120         :   GeoTexSvxGradient(rTargetRange, rStart, rEnd, nSteps, fBorder)
121         {
122             maGradientInfo = basegfx::tools::createLinearODFGradientInfo(
123                 rTargetRange,
124                 nSteps,
125                 fBorder,
126                 fAngle);
127         }
128 
~GeoTexSvxGradientLinear()129         GeoTexSvxGradientLinear::~GeoTexSvxGradientLinear()
130         {
131         }
132 
appendTransformationsAndColors(std::vector<B2DHomMatrixAndBColor> & rEntries,basegfx::BColor & rOutmostColor)133         void GeoTexSvxGradientLinear::appendTransformationsAndColors(
134             std::vector< B2DHomMatrixAndBColor >& rEntries,
135             basegfx::BColor& rOutmostColor)
136         {
137             rOutmostColor = maStart;
138 
139             if(maGradientInfo.getSteps())
140             {
141                 const double fStripeWidth(1.0 / maGradientInfo.getSteps());
142                 B2DHomMatrixAndBColor aB2DHomMatrixAndBColor;
143 
144                 for(sal_uInt32 a(1); a < maGradientInfo.getSteps(); a++)
145                 {
146                     const double fPos(fStripeWidth * a);
147                     // optimized below...
148                     //
149                     // basegfx::B2DHomMatrix aNew;
150                     // aNew.scale(0.5, 0.5);
151                     // aNew.translate(0.5, 0.5);
152                     // aNew.scale(1.0, (1.0 - fPos));
153                     // aNew.translate(0.0, fPos);
154                     // aNew = maGradientInfo.getTextureTransform() * aNew;
155                     aB2DHomMatrixAndBColor.maB2DHomMatrix = maGradientInfo.getTextureTransform() *
156                         basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 0.5 * (1.0 - fPos), 0.5, 0.5 * (1.0 + fPos));
157                     aB2DHomMatrixAndBColor.maBColor = interpolate(maStart, maEnd, double(a) / double(maGradientInfo.getSteps() - 1));
158                     rEntries.push_back(aB2DHomMatrixAndBColor);
159                 }
160             }
161         }
162 
modifyBColor(const basegfx::B2DPoint & rUV,basegfx::BColor & rBColor,double &) const163         void GeoTexSvxGradientLinear::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
164         {
165             const double fScaler(basegfx::tools::getLinearGradientAlpha(rUV, maGradientInfo));
166 
167             rBColor = basegfx::interpolate(maStart, maEnd, fScaler);
168         }
169     } // end of namespace texture
170 } // end of namespace drawinglayer
171 
172 //////////////////////////////////////////////////////////////////////////////
173 
174 namespace drawinglayer
175 {
176     namespace texture
177     {
GeoTexSvxGradientAxial(const basegfx::B2DRange & rTargetRange,const basegfx::BColor & rStart,const basegfx::BColor & rEnd,sal_uInt32 nSteps,double fBorder,double fAngle)178         GeoTexSvxGradientAxial::GeoTexSvxGradientAxial(
179             const basegfx::B2DRange& rTargetRange,
180             const basegfx::BColor& rStart,
181             const basegfx::BColor& rEnd,
182             sal_uInt32 nSteps,
183             double fBorder,
184             double fAngle)
185         :   GeoTexSvxGradient(rTargetRange, rStart, rEnd, nSteps, fBorder)
186         {
187             maGradientInfo = basegfx::tools::createAxialODFGradientInfo(
188                 rTargetRange,
189                 nSteps,
190                 fBorder,
191                 fAngle);
192         }
193 
~GeoTexSvxGradientAxial()194         GeoTexSvxGradientAxial::~GeoTexSvxGradientAxial()
195         {
196         }
197 
appendTransformationsAndColors(std::vector<B2DHomMatrixAndBColor> & rEntries,basegfx::BColor & rOutmostColor)198         void GeoTexSvxGradientAxial::appendTransformationsAndColors(
199             std::vector< B2DHomMatrixAndBColor >& rEntries,
200             basegfx::BColor& rOutmostColor)
201         {
202             rOutmostColor = maEnd;
203 
204             if(maGradientInfo.getSteps())
205             {
206                 const double fStripeWidth(1.0 / maGradientInfo.getSteps());
207                 B2DHomMatrixAndBColor aB2DHomMatrixAndBColor;
208 
209                 for(sal_uInt32 a(1); a < maGradientInfo.getSteps(); a++)
210                 {
211                     // const double fPos(fStripeWidth * a);
212                     // optimized below...
213                     //
214                     // basegfx::B2DHomMatrix aNew;
215                     // aNew.scale(0.50, (1.0 - fPos));
216                     // aNew.translate(0.5, 0.0);
217                     // aNew = maGradientInfo.getTextureTransform() * aNew;
218                     aB2DHomMatrixAndBColor.maB2DHomMatrix = maGradientInfo.getTextureTransform() *
219                         basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 1.0 - (fStripeWidth * a), 0.5, 0.0);
220                     aB2DHomMatrixAndBColor.maBColor = interpolate(maEnd, maStart, double(a) / double(maGradientInfo.getSteps() - 1));
221                     rEntries.push_back(aB2DHomMatrixAndBColor);
222                 }
223             }
224         }
225 
modifyBColor(const basegfx::B2DPoint & rUV,basegfx::BColor & rBColor,double &) const226         void GeoTexSvxGradientAxial::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
227         {
228             const double fScaler(basegfx::tools::getAxialGradientAlpha(rUV, maGradientInfo));
229 
230             rBColor = basegfx::interpolate(maStart, maEnd, fScaler);
231         }
232     } // end of namespace texture
233 } // end of namespace drawinglayer
234 
235 //////////////////////////////////////////////////////////////////////////////
236 
237 namespace drawinglayer
238 {
239     namespace texture
240     {
GeoTexSvxGradientRadial(const basegfx::B2DRange & rTargetRange,const basegfx::BColor & rStart,const basegfx::BColor & rEnd,sal_uInt32 nSteps,double fBorder,double fOffsetX,double fOffsetY)241         GeoTexSvxGradientRadial::GeoTexSvxGradientRadial(
242             const basegfx::B2DRange& rTargetRange,
243             const basegfx::BColor& rStart,
244             const basegfx::BColor& rEnd,
245             sal_uInt32 nSteps,
246             double fBorder,
247             double fOffsetX,
248             double fOffsetY)
249         :   GeoTexSvxGradient(rTargetRange, rStart, rEnd, nSteps, fBorder)
250         {
251             maGradientInfo = basegfx::tools::createRadialODFGradientInfo(
252                 rTargetRange,
253                 basegfx::B2DVector(fOffsetX,fOffsetY),
254                 nSteps,
255                 fBorder);
256         }
257 
~GeoTexSvxGradientRadial()258         GeoTexSvxGradientRadial::~GeoTexSvxGradientRadial()
259         {
260         }
261 
appendTransformationsAndColors(std::vector<B2DHomMatrixAndBColor> & rEntries,basegfx::BColor & rOutmostColor)262         void GeoTexSvxGradientRadial::appendTransformationsAndColors(
263             std::vector< B2DHomMatrixAndBColor >& rEntries,
264             basegfx::BColor& rOutmostColor)
265         {
266             rOutmostColor = maStart;
267 
268             if(maGradientInfo.getSteps())
269             {
270                 const double fStepSize(1.0 / maGradientInfo.getSteps());
271                 B2DHomMatrixAndBColor aB2DHomMatrixAndBColor;
272 
273                 for(sal_uInt32 a(1); a < maGradientInfo.getSteps(); a++)
274                 {
275                     const double fSize(1.0 - (fStepSize * a));
276                     aB2DHomMatrixAndBColor.maB2DHomMatrix = maGradientInfo.getTextureTransform() * basegfx::tools::createScaleB2DHomMatrix(fSize, fSize);
277                     aB2DHomMatrixAndBColor.maBColor = interpolate(maStart, maEnd, double(a) / double(maGradientInfo.getSteps() - 1));
278                     rEntries.push_back(aB2DHomMatrixAndBColor);
279                 }
280             }
281         }
282 
modifyBColor(const basegfx::B2DPoint & rUV,basegfx::BColor & rBColor,double &) const283         void GeoTexSvxGradientRadial::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
284         {
285             const double fScaler(basegfx::tools::getRadialGradientAlpha(rUV, maGradientInfo));
286 
287             rBColor = basegfx::interpolate(maStart, maEnd, fScaler);
288         }
289     } // end of namespace texture
290 } // end of namespace drawinglayer
291 
292 //////////////////////////////////////////////////////////////////////////////
293 
294 namespace drawinglayer
295 {
296     namespace texture
297     {
GeoTexSvxGradientElliptical(const basegfx::B2DRange & rTargetRange,const basegfx::BColor & rStart,const basegfx::BColor & rEnd,sal_uInt32 nSteps,double fBorder,double fOffsetX,double fOffsetY,double fAngle)298         GeoTexSvxGradientElliptical::GeoTexSvxGradientElliptical(
299             const basegfx::B2DRange& rTargetRange,
300             const basegfx::BColor& rStart,
301             const basegfx::BColor& rEnd,
302             sal_uInt32 nSteps,
303             double fBorder,
304             double fOffsetX,
305             double fOffsetY,
306             double fAngle)
307         :   GeoTexSvxGradient(rTargetRange, rStart, rEnd, nSteps, fBorder)
308         {
309             maGradientInfo = basegfx::tools::createEllipticalODFGradientInfo(
310                 rTargetRange,
311                 basegfx::B2DVector(fOffsetX,fOffsetY),
312                 nSteps,
313                 fBorder,
314                 fAngle);
315         }
316 
~GeoTexSvxGradientElliptical()317         GeoTexSvxGradientElliptical::~GeoTexSvxGradientElliptical()
318         {
319         }
320 
appendTransformationsAndColors(std::vector<B2DHomMatrixAndBColor> & rEntries,basegfx::BColor & rOutmostColor)321         void GeoTexSvxGradientElliptical::appendTransformationsAndColors(
322             std::vector< B2DHomMatrixAndBColor >& rEntries,
323             basegfx::BColor& rOutmostColor)
324         {
325             rOutmostColor = maStart;
326 
327             if(maGradientInfo.getSteps())
328             {
329                 double fWidth(1.0);
330                 double fHeight(1.0);
331                 double fIncrementX(0.0);
332                 double fIncrementY(0.0);
333 
334                 if(maGradientInfo.getAspectRatio() > 1.0)
335                 {
336                     fIncrementY = fHeight / maGradientInfo.getSteps();
337                     fIncrementX = fIncrementY / maGradientInfo.getAspectRatio();
338                 }
339                 else
340                 {
341                     fIncrementX = fWidth / maGradientInfo.getSteps();
342                     fIncrementY = fIncrementX * maGradientInfo.getAspectRatio();
343                 }
344 
345                 B2DHomMatrixAndBColor aB2DHomMatrixAndBColor;
346 
347                 for(sal_uInt32 a(1); a < maGradientInfo.getSteps(); a++)
348                 {
349                     // next step
350                     fWidth -= fIncrementX;
351                     fHeight -= fIncrementY;
352 
353                     aB2DHomMatrixAndBColor.maB2DHomMatrix = maGradientInfo.getTextureTransform() * basegfx::tools::createScaleB2DHomMatrix(fWidth, fHeight);
354                     aB2DHomMatrixAndBColor.maBColor = interpolate(maStart, maEnd, double(a) / double(maGradientInfo.getSteps() - 1));
355                     rEntries.push_back(aB2DHomMatrixAndBColor);
356                 }
357             }
358         }
359 
modifyBColor(const basegfx::B2DPoint & rUV,basegfx::BColor & rBColor,double &) const360         void GeoTexSvxGradientElliptical::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
361         {
362             const double fScaler(basegfx::tools::getEllipticalGradientAlpha(rUV, maGradientInfo));
363 
364             rBColor = basegfx::interpolate(maStart, maEnd, fScaler);
365         }
366     } // end of namespace texture
367 } // end of namespace drawinglayer
368 
369 //////////////////////////////////////////////////////////////////////////////
370 
371 namespace drawinglayer
372 {
373     namespace texture
374     {
GeoTexSvxGradientSquare(const basegfx::B2DRange & rTargetRange,const basegfx::BColor & rStart,const basegfx::BColor & rEnd,sal_uInt32 nSteps,double fBorder,double fOffsetX,double fOffsetY,double fAngle)375         GeoTexSvxGradientSquare::GeoTexSvxGradientSquare(
376             const basegfx::B2DRange& rTargetRange,
377             const basegfx::BColor& rStart,
378             const basegfx::BColor& rEnd,
379             sal_uInt32 nSteps,
380             double fBorder,
381             double fOffsetX,
382             double fOffsetY,
383             double fAngle)
384         :   GeoTexSvxGradient(rTargetRange, rStart, rEnd, nSteps, fBorder)
385         {
386             maGradientInfo = basegfx::tools::createSquareODFGradientInfo(
387                 rTargetRange,
388                 basegfx::B2DVector(fOffsetX,fOffsetY),
389                 nSteps,
390                 fBorder,
391                 fAngle);
392         }
393 
~GeoTexSvxGradientSquare()394         GeoTexSvxGradientSquare::~GeoTexSvxGradientSquare()
395         {
396         }
397 
appendTransformationsAndColors(std::vector<B2DHomMatrixAndBColor> & rEntries,basegfx::BColor & rOutmostColor)398         void GeoTexSvxGradientSquare::appendTransformationsAndColors(
399             std::vector< B2DHomMatrixAndBColor >& rEntries,
400             basegfx::BColor& rOutmostColor)
401         {
402             rOutmostColor = maStart;
403 
404             if(maGradientInfo.getSteps())
405             {
406                 const double fStepSize(1.0 / maGradientInfo.getSteps());
407                 B2DHomMatrixAndBColor aB2DHomMatrixAndBColor;
408 
409                 for(sal_uInt32 a(1); a < maGradientInfo.getSteps(); a++)
410                 {
411                     const double fSize(1.0 - (fStepSize * a));
412                     aB2DHomMatrixAndBColor.maB2DHomMatrix = maGradientInfo.getTextureTransform() * basegfx::tools::createScaleB2DHomMatrix(fSize, fSize);
413                     aB2DHomMatrixAndBColor.maBColor = interpolate(maStart, maEnd, double(a) / double(maGradientInfo.getSteps() - 1));
414                     rEntries.push_back(aB2DHomMatrixAndBColor);
415                 }
416             }
417         }
418 
modifyBColor(const basegfx::B2DPoint & rUV,basegfx::BColor & rBColor,double &) const419         void GeoTexSvxGradientSquare::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
420         {
421             const double fScaler(basegfx::tools::getSquareGradientAlpha(rUV, maGradientInfo));
422 
423             rBColor = basegfx::interpolate(maStart, maEnd, fScaler);
424         }
425     } // end of namespace texture
426 } // end of namespace drawinglayer
427 
428 //////////////////////////////////////////////////////////////////////////////
429 
430 namespace drawinglayer
431 {
432     namespace texture
433     {
GeoTexSvxGradientRect(const basegfx::B2DRange & rTargetRange,const basegfx::BColor & rStart,const basegfx::BColor & rEnd,sal_uInt32 nSteps,double fBorder,double fOffsetX,double fOffsetY,double fAngle)434         GeoTexSvxGradientRect::GeoTexSvxGradientRect(
435             const basegfx::B2DRange& rTargetRange,
436             const basegfx::BColor& rStart,
437             const basegfx::BColor& rEnd,
438             sal_uInt32 nSteps,
439             double fBorder,
440             double fOffsetX,
441             double fOffsetY,
442             double fAngle)
443         :   GeoTexSvxGradient(rTargetRange, rStart, rEnd, nSteps, fBorder)
444         {
445             maGradientInfo = basegfx::tools::createRectangularODFGradientInfo(
446                 rTargetRange,
447                 basegfx::B2DVector(fOffsetX,fOffsetY),
448                 nSteps,
449                 fBorder,
450                 fAngle);
451         }
452 
~GeoTexSvxGradientRect()453         GeoTexSvxGradientRect::~GeoTexSvxGradientRect()
454         {
455         }
456 
appendTransformationsAndColors(std::vector<B2DHomMatrixAndBColor> & rEntries,basegfx::BColor & rOutmostColor)457         void GeoTexSvxGradientRect::appendTransformationsAndColors(
458             std::vector< B2DHomMatrixAndBColor >& rEntries,
459             basegfx::BColor& rOutmostColor)
460         {
461             rOutmostColor = maStart;
462 
463             if(maGradientInfo.getSteps())
464             {
465                 double fWidth(1.0);
466                 double fHeight(1.0);
467                 double fIncrementX(0.0);
468                 double fIncrementY(0.0);
469 
470                 if(maGradientInfo.getAspectRatio() > 1.0)
471                 {
472                     fIncrementY = fHeight / maGradientInfo.getSteps();
473                     fIncrementX = fIncrementY / maGradientInfo.getAspectRatio();
474                 }
475                 else
476                 {
477                     fIncrementX = fWidth / maGradientInfo.getSteps();
478                     fIncrementY = fIncrementX * maGradientInfo.getAspectRatio();
479                 }
480 
481                 B2DHomMatrixAndBColor aB2DHomMatrixAndBColor;
482 
483                 for(sal_uInt32 a(1); a < maGradientInfo.getSteps(); a++)
484                 {
485                     // next step
486                     fWidth -= fIncrementX;
487                     fHeight -= fIncrementY;
488 
489                     aB2DHomMatrixAndBColor.maB2DHomMatrix = maGradientInfo.getTextureTransform() * basegfx::tools::createScaleB2DHomMatrix(fWidth, fHeight);
490                     aB2DHomMatrixAndBColor.maBColor = interpolate(maStart, maEnd, double(a) / double(maGradientInfo.getSteps() - 1));
491                     rEntries.push_back(aB2DHomMatrixAndBColor);
492                 }
493             }
494         }
495 
modifyBColor(const basegfx::B2DPoint & rUV,basegfx::BColor & rBColor,double &) const496         void GeoTexSvxGradientRect::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
497         {
498             const double fScaler(basegfx::tools::getRectangularGradientAlpha(rUV, maGradientInfo));
499 
500             rBColor = basegfx::interpolate(maStart, maEnd, fScaler);
501         }
502     } // end of namespace texture
503 } // end of namespace drawinglayer
504 
505 //////////////////////////////////////////////////////////////////////////////
506 
507 namespace drawinglayer
508 {
509     namespace texture
510     {
GeoTexSvxHatch(const basegfx::B2DRange & rTargetRange,double fDistance,double fAngle)511         GeoTexSvxHatch::GeoTexSvxHatch(
512             const basegfx::B2DRange& rTargetRange,
513             double fDistance,
514             double fAngle)
515         :   mfDistance(0.1),
516             mfAngle(fAngle),
517             mnSteps(10L)
518         {
519             double fTargetSizeX(rTargetRange.getWidth());
520             double fTargetSizeY(rTargetRange.getHeight());
521             double fTargetOffsetX(rTargetRange.getMinX());
522             double fTargetOffsetY(rTargetRange.getMinY());
523 
524             fAngle = -fAngle;
525 
526             // add object expansion
527             if(0.0 != fAngle)
528             {
529                 const double fAbsCos(fabs(cos(fAngle)));
530                 const double fAbsSin(fabs(sin(fAngle)));
531                 const double fNewX(fTargetSizeX * fAbsCos + fTargetSizeY * fAbsSin);
532                 const double fNewY(fTargetSizeY * fAbsCos + fTargetSizeX * fAbsSin);
533                 fTargetOffsetX -= (fNewX - fTargetSizeX) / 2.0;
534                 fTargetOffsetY -= (fNewY - fTargetSizeY) / 2.0;
535                 fTargetSizeX = fNewX;
536                 fTargetSizeY = fNewY;
537             }
538 
539             // add object scale before rotate
540             maTextureTransform.scale(fTargetSizeX, fTargetSizeY);
541 
542             // add texture rotate after scale to keep perpendicular angles
543             if(0.0 != fAngle)
544             {
545                 basegfx::B2DPoint aCenter(0.5, 0.5);
546                 aCenter *= maTextureTransform;
547 
548                 maTextureTransform = basegfx::tools::createRotateAroundPoint(aCenter, fAngle)
549                     * maTextureTransform;
550             }
551 
552             // add object translate
553             maTextureTransform.translate(fTargetOffsetX, fTargetOffsetY);
554 
555             // prepare height for texture
556             const double fSteps((0.0 != fDistance) ? fTargetSizeY / fDistance : 10.0);
557             mnSteps = basegfx::fround(fSteps + 0.5);
558             mfDistance = 1.0 / fSteps;
559         }
560 
~GeoTexSvxHatch()561         GeoTexSvxHatch::~GeoTexSvxHatch()
562         {
563         }
564 
operator ==(const GeoTexSvx & rGeoTexSvx) const565         bool GeoTexSvxHatch::operator==(const GeoTexSvx& rGeoTexSvx) const
566         {
567             const GeoTexSvxHatch* pCompare = dynamic_cast< const GeoTexSvxHatch* >(&rGeoTexSvx);
568             return (pCompare
569                 && maTextureTransform == pCompare->maTextureTransform
570                 && mfDistance == pCompare->mfDistance
571                 && mfAngle == pCompare->mfAngle
572                 && mnSteps == pCompare->mnSteps);
573         }
574 
appendTransformations(::std::vector<basegfx::B2DHomMatrix> & rMatrices)575         void GeoTexSvxHatch::appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices)
576         {
577             for(sal_uInt32 a(1L); a < mnSteps; a++)
578             {
579                 // create matrix
580                 const double fOffset(mfDistance * (double)a);
581                 basegfx::B2DHomMatrix aNew;
582                 aNew.set(1, 2, fOffset);
583                 rMatrices.push_back(maTextureTransform * aNew);
584             }
585         }
586 
getDistanceToHatch(const basegfx::B2DPoint & rUV) const587         double GeoTexSvxHatch::getDistanceToHatch(const basegfx::B2DPoint& rUV) const
588         {
589             const basegfx::B2DPoint aCoor(getBackTextureTransform() * rUV);
590             return fmod(aCoor.getY(), mfDistance);
591         }
592 
getBackTextureTransform() const593         const basegfx::B2DHomMatrix& GeoTexSvxHatch::getBackTextureTransform() const
594         {
595             if(maBackTextureTransform.isIdentity())
596             {
597                 const_cast< GeoTexSvxHatch* >(this)->maBackTextureTransform = maTextureTransform;
598                 const_cast< GeoTexSvxHatch* >(this)->maBackTextureTransform.invert();
599             }
600 
601             return maBackTextureTransform;
602         }
603     } // end of namespace texture
604 } // end of namespace drawinglayer
605 
606 //////////////////////////////////////////////////////////////////////////////
607 
608 namespace drawinglayer
609 {
610     namespace texture
611     {
GeoTexSvxTiled(const basegfx::B2DRange & rRange,double fOffsetX,double fOffsetY)612         GeoTexSvxTiled::GeoTexSvxTiled(
613             const basegfx::B2DRange& rRange,
614             double fOffsetX,
615             double fOffsetY)
616         :   maRange(rRange),
617             mfOffsetX(basegfx::clamp(fOffsetX, 0.0, 1.0)),
618             mfOffsetY(basegfx::clamp(fOffsetY, 0.0, 1.0))
619         {
620             if(!basegfx::fTools::equalZero(mfOffsetX))
621             {
622                 mfOffsetY = 0.0;
623             }
624         }
625 
~GeoTexSvxTiled()626         GeoTexSvxTiled::~GeoTexSvxTiled()
627         {
628         }
629 
operator ==(const GeoTexSvx & rGeoTexSvx) const630         bool GeoTexSvxTiled::operator==(const GeoTexSvx& rGeoTexSvx) const
631         {
632             const GeoTexSvxTiled* pCompare = dynamic_cast< const GeoTexSvxTiled* >(&rGeoTexSvx);
633 
634             return (pCompare
635                 && maRange == pCompare->maRange
636                 && mfOffsetX == pCompare->mfOffsetX
637                 && mfOffsetY == pCompare->mfOffsetY);
638         }
639 
appendTransformations(::std::vector<basegfx::B2DHomMatrix> & rMatrices)640         void GeoTexSvxTiled::appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices)
641         {
642             const double fWidth(maRange.getWidth());
643 
644             if(!basegfx::fTools::equalZero(fWidth))
645             {
646                 const double fHeight(maRange.getHeight());
647 
648                 if(!basegfx::fTools::equalZero(fHeight))
649                 {
650                     double fStartX(maRange.getMinX());
651                     double fStartY(maRange.getMinY());
652                     sal_Int32 nPosX(0);
653                     sal_Int32 nPosY(0);
654 
655                     if(basegfx::fTools::more(fStartX, 0.0))
656                     {
657                         const sal_Int32 nDiff(static_cast<sal_Int32>(floor(fStartX / fWidth)) + 1);
658 
659                         nPosX -= nDiff;
660                         fStartX -= nDiff * fWidth;
661                     }
662 
663                     if(basegfx::fTools::less(fStartX + fWidth, 0.0))
664                     {
665                         const sal_Int32 nDiff(static_cast<sal_Int32>(floor(-fStartX / fWidth)));
666 
667                         nPosX += nDiff;
668                         fStartX += nDiff * fWidth;
669                     }
670 
671                     if(basegfx::fTools::more(fStartY, 0.0))
672                     {
673                         const sal_Int32 nDiff(static_cast<sal_Int32>(floor(fStartY / fHeight)) + 1);
674 
675                         nPosY -= nDiff;
676                         fStartY -= nDiff * fHeight;
677                     }
678 
679                     if(basegfx::fTools::less(fStartY + fHeight, 0.0))
680                     {
681                         const sal_Int32 nDiff(static_cast<sal_Int32>(floor(-fStartY / fHeight)));
682 
683                         nPosY += nDiff;
684                         fStartY += nDiff * fHeight;
685                     }
686 
687                     if(!basegfx::fTools::equalZero(mfOffsetY))
688                     {
689                         for(double fPosX(fStartX); basegfx::fTools::less(fPosX, 1.0); fPosX += fWidth, nPosX++)
690                         {
691                             for(double fPosY(nPosX % 2 ? fStartY - fHeight + (mfOffsetY * fHeight) : fStartY);
692                                 basegfx::fTools::less(fPosY, 1.0); fPosY += fHeight)
693                             {
694                                 rMatrices.push_back(
695                                     basegfx::tools::createScaleTranslateB2DHomMatrix(
696                                         fWidth,
697                                         fHeight,
698                                         fPosX,
699                                         fPosY));
700                             }
701                         }
702                     }
703                     else
704                     {
705                         for(double fPosY(fStartY); basegfx::fTools::less(fPosY, 1.0); fPosY += fHeight, nPosY++)
706                         {
707                             for(double fPosX(nPosY % 2 ? fStartX - fWidth + (mfOffsetX * fWidth) : fStartX);
708                                 basegfx::fTools::less(fPosX, 1.0); fPosX += fWidth)
709                             {
710                                 rMatrices.push_back(
711                                     basegfx::tools::createScaleTranslateB2DHomMatrix(
712                                         fWidth,
713                                         fHeight,
714                                         fPosX,
715                                         fPosY));
716                             }
717                         }
718                     }
719                 }
720             }
721         }
722     } // end of namespace texture
723 } // end of namespace drawinglayer
724 
725 //////////////////////////////////////////////////////////////////////////////
726 // eof
727