xref: /trunk/main/drawinglayer/source/primitive2d/discreteshadowprimitive2d.cxx (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_drawinglayer.hxx"
30 
31 #include <drawinglayer/primitive2d/discreteshadowprimitive2d.hxx>
32 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
33 #include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
34 #include <basegfx/matrix/b2dhommatrixtools.hxx>
35 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
36 #include <drawinglayer/geometry/viewinformation2d.hxx>
37 
38 //////////////////////////////////////////////////////////////////////////////
39 
40 namespace drawinglayer
41 {
42     namespace primitive2d
43     {
44         DiscreteShadow::DiscreteShadow(const BitmapEx& rBitmapEx)
45         :   maBitmapEx(rBitmapEx),
46             maTopLeft(),
47             maTop(),
48             maTopRight(),
49             maRight(),
50             maBottomRight(),
51             maBottom(),
52             maBottomLeft(),
53             maLeft()
54         {
55             const Size& rBitmapSize = getBitmapEx().GetSizePixel();
56 
57             if(rBitmapSize.Width() != rBitmapSize.Height() || rBitmapSize.Width() < 7)
58             {
59                 OSL_ENSURE(false, "DiscreteShadowPrimitive2D: wrong bitmap format (!)");
60                 maBitmapEx = BitmapEx();
61             }
62         }
63 
64         const BitmapEx& DiscreteShadow::getTopLeft() const
65         {
66             if(maTopLeft.IsEmpty())
67             {
68                 const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
69                 const_cast< DiscreteShadow* >(this)->maTopLeft = getBitmapEx();
70                 const_cast< DiscreteShadow* >(this)->maTopLeft.Crop(
71                     Rectangle(Point(0,0),Size(nQuarter*2+1,nQuarter*2+1)));
72             }
73 
74             return maTopLeft;
75         }
76 
77         const BitmapEx& DiscreteShadow::getTop() const
78         {
79             if(maTop.IsEmpty())
80             {
81                 const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
82                 const_cast< DiscreteShadow* >(this)->maTop = getBitmapEx();
83                 const_cast< DiscreteShadow* >(this)->maTop.Crop(
84                     Rectangle(Point(nQuarter*2+1,0),Size(1,nQuarter+1)));
85             }
86 
87             return maTop;
88         }
89 
90         const BitmapEx& DiscreteShadow::getTopRight() const
91         {
92             if(maTopRight.IsEmpty())
93             {
94                 const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
95                 const_cast< DiscreteShadow* >(this)->maTopRight = getBitmapEx();
96                 const_cast< DiscreteShadow* >(this)->maTopRight.Crop(
97                     Rectangle(Point(nQuarter*2+2,0),Size(nQuarter*2+1,nQuarter*2+1)));
98             }
99 
100             return maTopRight;
101         }
102 
103         const BitmapEx& DiscreteShadow::getRight() const
104         {
105             if(maRight.IsEmpty())
106             {
107                 const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
108                 const_cast< DiscreteShadow* >(this)->maRight = getBitmapEx();
109                 const_cast< DiscreteShadow* >(this)->maRight.Crop(
110                     Rectangle(Point(nQuarter*3+2,nQuarter*2+1),Size(nQuarter+1,1)));
111             }
112 
113             return maRight;
114         }
115 
116         const BitmapEx& DiscreteShadow::getBottomRight() const
117         {
118             if(maBottomRight.IsEmpty())
119             {
120                 const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
121                 const_cast< DiscreteShadow* >(this)->maBottomRight = getBitmapEx();
122                 const_cast< DiscreteShadow* >(this)->maBottomRight.Crop(
123                     Rectangle(Point(nQuarter*2+2,nQuarter*2+2),Size(nQuarter*2+1,nQuarter*2+1)));
124             }
125 
126             return maBottomRight;
127         }
128 
129         const BitmapEx& DiscreteShadow::getBottom() const
130         {
131             if(maBottom.IsEmpty())
132             {
133                 const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
134                 const_cast< DiscreteShadow* >(this)->maBottom = getBitmapEx();
135                 const_cast< DiscreteShadow* >(this)->maBottom.Crop(
136                     Rectangle(Point(nQuarter*2+1,nQuarter*3+2),Size(1,nQuarter+1)));
137             }
138 
139             return maBottom;
140         }
141 
142         const BitmapEx& DiscreteShadow::getBottomLeft() const
143         {
144             if(maBottomLeft.IsEmpty())
145             {
146                 const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
147                 const_cast< DiscreteShadow* >(this)->maBottomLeft = getBitmapEx();
148                 const_cast< DiscreteShadow* >(this)->maBottomLeft.Crop(
149                     Rectangle(Point(0,nQuarter*2+2),Size(nQuarter*2+1,nQuarter*2+1)));
150             }
151 
152             return maBottomLeft;
153         }
154 
155         const BitmapEx& DiscreteShadow::getLeft() const
156         {
157             if(maLeft.IsEmpty())
158             {
159                 const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
160                 const_cast< DiscreteShadow* >(this)->maLeft = getBitmapEx();
161                 const_cast< DiscreteShadow* >(this)->maLeft.Crop(
162                     Rectangle(Point(0,nQuarter*2+1),Size(nQuarter+1,1)));
163             }
164 
165             return maLeft;
166         }
167 
168     } // end of namespace primitive2d
169 } // end of namespace drawinglayer
170 
171 //////////////////////////////////////////////////////////////////////////////
172 
173 namespace drawinglayer
174 {
175     namespace primitive2d
176     {
177         Primitive2DSequence DiscreteShadowPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
178         {
179             Primitive2DSequence xRetval;
180 
181             if(!getDiscreteShadow().getBitmapEx().IsEmpty())
182             {
183                 const sal_Int32 nQuarter((getDiscreteShadow().getBitmapEx().GetSizePixel().Width() - 3) >> 2);
184                 const basegfx::B2DVector aScale(getTransform() * basegfx::B2DVector(1.0, 1.0));
185                 const double fSingleX(getDiscreteUnit() / aScale.getX());
186                 const double fSingleY(getDiscreteUnit() / aScale.getY());
187                 const double fBorderX(fSingleX * nQuarter);
188                 const double fBorderY(fSingleY * nQuarter);
189                 const double fBigLenX((fBorderX * 2.0) + fSingleX);
190                 const double fBigLenY((fBorderY * 2.0) + fSingleY);
191 
192                 xRetval.realloc(8);
193 
194                 // TopLeft
195                 xRetval[0] = Primitive2DReference(
196                     new BitmapPrimitive2D(
197                         getDiscreteShadow().getTopLeft(),
198                         basegfx::tools::createScaleTranslateB2DHomMatrix(
199                             fBigLenX,
200                             fBigLenY,
201                             -fBorderX,
202                             -fBorderY)));
203 
204                 // Top
205                 xRetval[1] = Primitive2DReference(
206                     new BitmapPrimitive2D(
207                         getDiscreteShadow().getTop(),
208                         basegfx::tools::createScaleTranslateB2DHomMatrix(
209                             1.0 - (2.0 * fBorderX) - fSingleX,
210                             fBorderY + fSingleY,
211                             fBorderX + fSingleX,
212                             -fBorderY)));
213 
214                 // TopRight
215                 xRetval[2] = Primitive2DReference(
216                     new BitmapPrimitive2D(
217                         getDiscreteShadow().getTopRight(),
218                         basegfx::tools::createScaleTranslateB2DHomMatrix(
219                             fBigLenX,
220                             fBigLenY,
221                             1.0 - fBorderX,
222                             -fBorderY)));
223 
224                 // Right
225                 xRetval[3] = Primitive2DReference(
226                     new BitmapPrimitive2D(
227                         getDiscreteShadow().getRight(),
228                         basegfx::tools::createScaleTranslateB2DHomMatrix(
229                             fBorderX + fSingleX,
230                             1.0 - (2.0 * fBorderY) - fSingleY,
231                             1.0,
232                             fBorderY + fSingleY)));
233 
234                 // BottomRight
235                 xRetval[4] = Primitive2DReference(
236                     new BitmapPrimitive2D(
237                         getDiscreteShadow().getBottomRight(),
238                         basegfx::tools::createScaleTranslateB2DHomMatrix(
239                             fBigLenX,
240                             fBigLenY,
241                             1.0 - fBorderX,
242                             1.0 - fBorderY)));
243 
244                 // Bottom
245                 xRetval[5] = Primitive2DReference(
246                     new BitmapPrimitive2D(
247                         getDiscreteShadow().getBottom(),
248                         basegfx::tools::createScaleTranslateB2DHomMatrix(
249                             1.0 - (2.0 * fBorderX) - fSingleX,
250                             fBorderY + fSingleY,
251                             fBorderX + fSingleX,
252                             1.0)));
253 
254                 // BottomLeft
255                 xRetval[6] = Primitive2DReference(
256                     new BitmapPrimitive2D(
257                         getDiscreteShadow().getBottomLeft(),
258                         basegfx::tools::createScaleTranslateB2DHomMatrix(
259                             fBigLenX,
260                             fBigLenY,
261                             -fBorderX,
262                             1.0 - fBorderY)));
263 
264                 // Left
265                 xRetval[7] = Primitive2DReference(
266                     new BitmapPrimitive2D(
267                         getDiscreteShadow().getLeft(),
268                         basegfx::tools::createScaleTranslateB2DHomMatrix(
269                             fBorderX + fSingleX,
270                             1.0 - (2.0 * fBorderY) - fSingleY,
271                             -fBorderX,
272                             fBorderY + fSingleY)));
273 
274                 // put all in object transformation to get to target positions
275                 const Primitive2DReference xTransformed(
276                     new TransformPrimitive2D(
277                         getTransform(),
278                         xRetval));
279 
280                 xRetval = Primitive2DSequence(&xTransformed, 1);
281             }
282 
283             return xRetval;
284         }
285 
286         DiscreteShadowPrimitive2D::DiscreteShadowPrimitive2D(
287             const basegfx::B2DHomMatrix& rTransform,
288             const DiscreteShadow& rDiscreteShadow)
289         :   DiscreteMetricDependentPrimitive2D(),
290             maTransform(rTransform),
291             maDiscreteShadow(rDiscreteShadow)
292         {
293         }
294 
295         bool DiscreteShadowPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
296         {
297             if(DiscreteMetricDependentPrimitive2D::operator==(rPrimitive))
298             {
299                 const DiscreteShadowPrimitive2D& rCompare = (DiscreteShadowPrimitive2D&)rPrimitive;
300 
301                 return (getTransform() == rCompare.getTransform()
302                     && getDiscreteShadow() == rCompare.getDiscreteShadow());
303             }
304 
305             return false;
306         }
307 
308         basegfx::B2DRange DiscreteShadowPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
309         {
310             if(getDiscreteShadow().getBitmapEx().IsEmpty())
311             {
312                 // no graphics without valid bitmap definition
313                 return basegfx::B2DRange();
314             }
315             else
316             {
317                 // prepare normal objectrange
318                 basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0);
319                 aRetval.transform(getTransform());
320 
321                 // extract discrete shadow size and grow
322                 const basegfx::B2DVector aScale(rViewInformation.getViewTransformation() * basegfx::B2DVector(1.0, 1.0));
323                 const sal_Int32 nQuarter((getDiscreteShadow().getBitmapEx().GetSizePixel().Width() - 3) >> 2);
324                 const double fGrowX((1.0 / aScale.getX()) * nQuarter);
325                 const double fGrowY((1.0 / aScale.getY()) * nQuarter);
326                 aRetval.grow(std::max(fGrowX, fGrowY));
327 
328                 return aRetval;
329             }
330         }
331 
332         // provide unique ID
333         ImplPrimitrive2DIDBlock(DiscreteShadowPrimitive2D, PRIMITIVE2D_ID_DISCRETESHADOWPRIMITIVE2D)
334 
335     } // end of namespace primitive2d
336 } // end of namespace drawinglayer
337 
338 //////////////////////////////////////////////////////////////////////////////
339 // eof
340