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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 : #include <svx/sdr/contact/viewobjectcontact.hxx>
21 : #include <svx/sdr/contact/viewcontact.hxx>
22 : #include <svx/sdr/contact/objectcontact.hxx>
23 : #include <svx/sdr/contact/displayinfo.hxx>
24 : #include <vcl/region.hxx>
25 : #include <svx/sdr/animation/objectanimator.hxx>
26 : #include <svx/sdr/animation/animationstate.hxx>
27 : #include <svx/sdr/contact/viewobjectcontactredirector.hxx>
28 : #include <basegfx/numeric/ftools.hxx>
29 : #include <basegfx/color/bcolor.hxx>
30 : #include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
31 : #include <basegfx/tools/canvastools.hxx>
32 : #include <drawinglayer/primitive2d/animatedprimitive2d.hxx>
33 : #include <drawinglayer/processor2d/baseprocessor2d.hxx>
34 : #include <svx/sdr/primitive2d/svx_primitivetypes2d.hxx>
35 :
36 :
37 :
38 : using namespace com::sun::star;
39 :
40 :
41 :
42 : namespace
43 : {
44 : // animated extractor
45 :
46 : // Necessary to filter a sequence of animated primitives from
47 : // a sequence of primitives to find out if animated or not. The decision for
48 : // what to decompose is hard-coded and only done for knowingly animated primitives
49 : // to not decompose too deeply and unnecessarily. This implies that the list
50 : // which is view-specific needs to be expanded by hand when new animated objects
51 : // are added. This may eventually be changed to a dynamically configurable approach
52 : // if necessary.
53 : class AnimatedExtractingProcessor2D : public drawinglayer::processor2d::BaseProcessor2D
54 : {
55 : protected:
56 : // the found animated primitives
57 : drawinglayer::primitive2d::Primitive2DSequence maPrimitive2DSequence;
58 :
59 : // bitfield
60 : // text animation allowed?
61 : bool mbTextAnimationAllowed : 1;
62 :
63 : // graphic animation allowed?
64 : bool mbGraphicAnimationAllowed : 1;
65 :
66 : // as tooling, the process() implementation takes over API handling and calls this
67 : // virtual render method when the primitive implementation is BasePrimitive2D-based.
68 : virtual void processBasePrimitive2D(const drawinglayer::primitive2d::BasePrimitive2D& rCandidate) SAL_OVERRIDE;
69 :
70 : public:
71 : AnimatedExtractingProcessor2D(
72 : const drawinglayer::geometry::ViewInformation2D& rViewInformation,
73 : bool bTextAnimationAllowed,
74 : bool bGraphicAnimationAllowed);
75 : virtual ~AnimatedExtractingProcessor2D();
76 :
77 : // data access
78 0 : const drawinglayer::primitive2d::Primitive2DSequence& getPrimitive2DSequence() const { return maPrimitive2DSequence; }
79 0 : bool isTextAnimationAllowed() const { return mbTextAnimationAllowed; }
80 0 : bool isGraphicAnimationAllowed() const { return mbGraphicAnimationAllowed; }
81 : };
82 :
83 0 : AnimatedExtractingProcessor2D::AnimatedExtractingProcessor2D(
84 : const drawinglayer::geometry::ViewInformation2D& rViewInformation,
85 : bool bTextAnimationAllowed,
86 : bool bGraphicAnimationAllowed)
87 : : drawinglayer::processor2d::BaseProcessor2D(rViewInformation),
88 : maPrimitive2DSequence(),
89 : mbTextAnimationAllowed(bTextAnimationAllowed),
90 0 : mbGraphicAnimationAllowed(bGraphicAnimationAllowed)
91 : {
92 0 : }
93 :
94 0 : AnimatedExtractingProcessor2D::~AnimatedExtractingProcessor2D()
95 : {
96 0 : }
97 :
98 0 : void AnimatedExtractingProcessor2D::processBasePrimitive2D(const drawinglayer::primitive2d::BasePrimitive2D& rCandidate)
99 : {
100 : // known implementation, access directly
101 0 : switch(rCandidate.getPrimitive2DID())
102 : {
103 : // add and accept animated primitives directly, no need to decompose
104 : case PRIMITIVE2D_ID_ANIMATEDSWITCHPRIMITIVE2D :
105 : case PRIMITIVE2D_ID_ANIMATEDBLINKPRIMITIVE2D :
106 : case PRIMITIVE2D_ID_ANIMATEDINTERPOLATEPRIMITIVE2D :
107 : {
108 0 : const drawinglayer::primitive2d::AnimatedSwitchPrimitive2D& rSwitchPrimitive = static_cast< const drawinglayer::primitive2d::AnimatedSwitchPrimitive2D& >(rCandidate);
109 :
110 0 : if((rSwitchPrimitive.isTextAnimation() && isTextAnimationAllowed())
111 0 : || (rSwitchPrimitive.isGraphicAnimation() && isGraphicAnimationAllowed()))
112 : {
113 0 : const drawinglayer::primitive2d::Primitive2DReference xReference(const_cast< drawinglayer::primitive2d::BasePrimitive2D* >(&rCandidate));
114 0 : drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(maPrimitive2DSequence, xReference);
115 : }
116 0 : break;
117 : }
118 :
119 : // decompose animated gifs where SdrGrafPrimitive2D produces a GraphicPrimitive2D
120 : // which then produces the animation infos (all when used/needed)
121 : case PRIMITIVE2D_ID_SDRGRAFPRIMITIVE2D :
122 : case PRIMITIVE2D_ID_GRAPHICPRIMITIVE2D :
123 :
124 : // decompose SdrObjects with evtl. animated text
125 : case PRIMITIVE2D_ID_SDRCAPTIONPRIMITIVE2D :
126 : case PRIMITIVE2D_ID_SDRCONNECTORPRIMITIVE2D :
127 : case PRIMITIVE2D_ID_SDRCUSTOMSHAPEPRIMITIVE2D :
128 : case PRIMITIVE2D_ID_SDRELLIPSEPRIMITIVE2D :
129 : case PRIMITIVE2D_ID_SDRELLIPSESEGMENTPRIMITIVE2D :
130 : case PRIMITIVE2D_ID_SDRMEASUREPRIMITIVE2D :
131 : case PRIMITIVE2D_ID_SDRPATHPRIMITIVE2D :
132 : case PRIMITIVE2D_ID_SDRRECTANGLEPRIMITIVE2D :
133 :
134 : // #121194# With Graphic as Bitmap FillStyle, also check
135 : // for primitives filled with animated graphics
136 : case PRIMITIVE2D_ID_POLYPOLYGONGRAPHICPRIMITIVE2D:
137 : case PRIMITIVE2D_ID_FILLGRAPHICPRIMITIVE2D:
138 : case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D:
139 :
140 : // decompose evtl. animated text contained in MaskPrimitive2D
141 : // or group rimitives
142 : case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
143 : case PRIMITIVE2D_ID_GROUPPRIMITIVE2D :
144 : {
145 0 : process(rCandidate.get2DDecomposition(getViewInformation2D()));
146 0 : break;
147 : }
148 :
149 : default :
150 : {
151 : // nothing to do for the rest
152 0 : break;
153 : }
154 : }
155 0 : }
156 : } // end of anonymous namespace
157 :
158 :
159 :
160 : namespace sdr
161 : {
162 : namespace contact
163 : {
164 0 : ViewObjectContact::ViewObjectContact(ObjectContact& rObjectContact, ViewContact& rViewContact)
165 : : mrObjectContact(rObjectContact),
166 : mrViewContact(rViewContact),
167 : maObjectRange(),
168 : mxPrimitive2DSequence(),
169 : mpPrimitiveAnimation(0),
170 0 : mbLazyInvalidate(false)
171 : {
172 : // make the ViewContact remember me
173 0 : mrViewContact.AddViewObjectContact(*this);
174 :
175 : // make the ObjectContact remember me
176 0 : mrObjectContact.AddViewObjectContact(*this);
177 0 : }
178 :
179 0 : ViewObjectContact::~ViewObjectContact()
180 : {
181 : // invalidate in view
182 0 : if(!maObjectRange.isEmpty())
183 : {
184 0 : GetObjectContact().InvalidatePartOfView(maObjectRange);
185 : }
186 :
187 : // delete PrimitiveAnimation
188 0 : if(mpPrimitiveAnimation)
189 : {
190 0 : delete mpPrimitiveAnimation;
191 0 : mpPrimitiveAnimation = 0;
192 : }
193 :
194 : // take care of remebered ObjectContact. Remove from
195 : // OC first. The VC removal (below) CAN trigger a StopGettingViewed()
196 : // which (depending of it's implementation) may destroy other OCs. This
197 : // can trigger the deletion of the helper OC of a page visualising object
198 : // which IS the OC of this object. Eventually StopGettingViewed() needs
199 : // to get asynchron later
200 0 : GetObjectContact().RemoveViewObjectContact(*this);
201 :
202 : // take care of remebered ViewContact
203 0 : GetViewContact().RemoveViewObjectContact(*this);
204 0 : }
205 :
206 0 : const basegfx::B2DRange& ViewObjectContact::getObjectRange() const
207 : {
208 0 : if(maObjectRange.isEmpty())
209 : {
210 : // if range is not computed (new or LazyInvalidate objects), force it
211 0 : const DisplayInfo aDisplayInfo;
212 0 : const drawinglayer::primitive2d::Primitive2DSequence xSequence(getPrimitive2DSequence(aDisplayInfo));
213 :
214 0 : if(xSequence.hasElements())
215 : {
216 0 : const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
217 : const_cast< ViewObjectContact* >(this)->maObjectRange =
218 0 : drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(xSequence, rViewInformation2D);
219 0 : }
220 : }
221 :
222 0 : return maObjectRange;
223 : }
224 :
225 0 : void ViewObjectContact::ActionChanged()
226 : {
227 0 : if(!mbLazyInvalidate)
228 : {
229 : // set local flag
230 0 : mbLazyInvalidate = true;
231 :
232 : // force ObjectRange
233 0 : getObjectRange();
234 :
235 0 : if(!maObjectRange.isEmpty())
236 : {
237 : // invalidate current valid range
238 0 : GetObjectContact().InvalidatePartOfView(maObjectRange);
239 :
240 : // reset ObjectRange, it needs to be recalculated
241 0 : maObjectRange.reset();
242 : }
243 :
244 : // register at OC for lazy invalidate
245 0 : GetObjectContact().setLazyInvalidate(*this);
246 : }
247 0 : }
248 :
249 0 : void ViewObjectContact::triggerLazyInvalidate()
250 : {
251 0 : if(mbLazyInvalidate)
252 : {
253 : // reset flag
254 0 : mbLazyInvalidate = false;
255 :
256 : // force ObjectRange
257 0 : getObjectRange();
258 :
259 0 : if(!maObjectRange.isEmpty())
260 : {
261 : // invalidate current valid range
262 0 : GetObjectContact().InvalidatePartOfView(maObjectRange);
263 : }
264 : }
265 0 : }
266 :
267 : // Take some action when new objects are inserted
268 0 : void ViewObjectContact::ActionChildInserted(ViewContact& rChild)
269 : {
270 : // force creation of the new VOC and trigger it's refresh, so it
271 : // will take part in LazyInvalidate immediately
272 0 : rChild.GetViewObjectContact(GetObjectContact()).ActionChanged();
273 :
274 : // forward action to ObjectContact
275 : // const ViewObjectContact& rChildVOC = rChild.GetViewObjectContact(GetObjectContact());
276 : // GetObjectContact().InvalidatePartOfView(rChildVOC.getObjectRange());
277 0 : }
278 :
279 0 : void ViewObjectContact::checkForPrimitive2DAnimations()
280 : {
281 : // remove old one
282 0 : if(mpPrimitiveAnimation)
283 : {
284 0 : delete mpPrimitiveAnimation;
285 0 : mpPrimitiveAnimation = 0;
286 : }
287 :
288 : // check for animated primitives
289 0 : if(mxPrimitive2DSequence.hasElements())
290 : {
291 0 : const bool bTextAnimationAllowed(GetObjectContact().IsTextAnimationAllowed());
292 0 : const bool bGraphicAnimationAllowed(GetObjectContact().IsGraphicAnimationAllowed());
293 :
294 0 : if(bTextAnimationAllowed || bGraphicAnimationAllowed)
295 : {
296 0 : AnimatedExtractingProcessor2D aAnimatedExtractor(GetObjectContact().getViewInformation2D(),
297 0 : bTextAnimationAllowed, bGraphicAnimationAllowed);
298 0 : aAnimatedExtractor.process(mxPrimitive2DSequence);
299 :
300 0 : if(aAnimatedExtractor.getPrimitive2DSequence().hasElements())
301 : {
302 : // dervied primitiveList is animated, setup new PrimitiveAnimation
303 0 : mpPrimitiveAnimation = new sdr::animation::PrimitiveAnimation(*this, aAnimatedExtractor.getPrimitive2DSequence());
304 0 : }
305 : }
306 : }
307 0 : }
308 :
309 0 : drawinglayer::primitive2d::Primitive2DSequence ViewObjectContact::createPrimitive2DSequence(const DisplayInfo& rDisplayInfo) const
310 : {
311 : // get the view-independent Primitive from the viewContact
312 0 : drawinglayer::primitive2d::Primitive2DSequence xRetval(GetViewContact().getViewIndependentPrimitive2DSequence());
313 :
314 0 : if(xRetval.hasElements())
315 : {
316 : // handle GluePoint
317 0 : if(!GetObjectContact().isOutputToPrinter() && GetObjectContact().AreGluePointsVisible())
318 : {
319 0 : const drawinglayer::primitive2d::Primitive2DSequence xGlue(GetViewContact().createGluePointPrimitive2DSequence());
320 :
321 0 : if(xGlue.hasElements())
322 : {
323 0 : drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(xRetval, xGlue);
324 0 : }
325 : }
326 :
327 : // handle ghosted
328 0 : if(isPrimitiveGhosted(rDisplayInfo))
329 : {
330 0 : const basegfx::BColor aRGBWhite(1.0, 1.0, 1.0);
331 : const basegfx::BColorModifierSharedPtr aBColorModifier(
332 : new basegfx::BColorModifier_interpolate(
333 : aRGBWhite,
334 0 : 0.5));
335 : const drawinglayer::primitive2d::Primitive2DReference xReference(
336 : new drawinglayer::primitive2d::ModifiedColorPrimitive2D(
337 : xRetval,
338 0 : aBColorModifier));
339 :
340 0 : xRetval = drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
341 : }
342 : }
343 :
344 0 : return xRetval;
345 : }
346 :
347 0 : drawinglayer::primitive2d::Primitive2DSequence ViewObjectContact::getPrimitive2DSequence(const DisplayInfo& rDisplayInfo) const
348 : {
349 0 : drawinglayer::primitive2d::Primitive2DSequence xNewPrimitiveSequence;
350 :
351 : // take care of redirectors and create new list
352 0 : ViewObjectContactRedirector* pRedirector = GetObjectContact().GetViewObjectContactRedirector();
353 :
354 0 : if(pRedirector)
355 : {
356 0 : xNewPrimitiveSequence = pRedirector->createRedirectedPrimitive2DSequence(*this, rDisplayInfo);
357 : }
358 : else
359 : {
360 0 : xNewPrimitiveSequence = createPrimitive2DSequence(rDisplayInfo);
361 : }
362 :
363 : // local up-to-date checks. New list different from local one?
364 0 : if(!drawinglayer::primitive2d::arePrimitive2DSequencesEqual(mxPrimitive2DSequence, xNewPrimitiveSequence))
365 : {
366 : // has changed, copy content
367 0 : const_cast< ViewObjectContact* >(this)->mxPrimitive2DSequence = xNewPrimitiveSequence;
368 :
369 : // check for animated stuff
370 0 : const_cast< ViewObjectContact* >(this)->checkForPrimitive2DAnimations();
371 :
372 : // always update object range when PrimitiveSequence changes
373 0 : const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
374 : const_cast< ViewObjectContact* >(this)->maObjectRange =
375 0 : drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(mxPrimitive2DSequence, rViewInformation2D);
376 : }
377 :
378 : // return current Primitive2DSequence
379 0 : return mxPrimitive2DSequence;
380 : }
381 :
382 0 : bool ViewObjectContact::isPrimitiveVisible(const DisplayInfo& /*rDisplayInfo*/) const
383 : {
384 : // default: always visible
385 0 : return true;
386 : }
387 :
388 0 : bool ViewObjectContact::isPrimitiveGhosted(const DisplayInfo& rDisplayInfo) const
389 : {
390 : // default: standard check
391 0 : return (GetObjectContact().DoVisualizeEnteredGroup() && !GetObjectContact().isOutputToPrinter() && rDisplayInfo.IsGhostedDrawModeActive());
392 : }
393 :
394 0 : drawinglayer::primitive2d::Primitive2DSequence ViewObjectContact::getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo) const
395 : {
396 0 : drawinglayer::primitive2d::Primitive2DSequence xRetval;
397 :
398 : // check model-view visibility
399 0 : if(isPrimitiveVisible(rDisplayInfo))
400 : {
401 0 : xRetval = getPrimitive2DSequence(rDisplayInfo);
402 :
403 0 : if(xRetval.hasElements())
404 : {
405 : // get ranges
406 0 : const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
407 0 : const basegfx::B2DRange aObjectRange(drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(xRetval, rViewInformation2D));
408 0 : const basegfx::B2DRange aViewRange(rViewInformation2D.getViewport());
409 :
410 : // check geometrical visibility
411 0 : if(!aViewRange.isEmpty() && !aViewRange.overlaps(aObjectRange))
412 : {
413 : // not visible, release
414 0 : xRetval.realloc(0);
415 : }
416 : }
417 : }
418 :
419 0 : return xRetval;
420 : }
421 :
422 0 : drawinglayer::primitive2d::Primitive2DSequence ViewObjectContact::getPrimitive2DSequenceSubHierarchy(DisplayInfo& rDisplayInfo) const
423 : {
424 0 : const sal_uInt32 nSubHierarchyCount(GetViewContact().GetObjectCount());
425 0 : drawinglayer::primitive2d::Primitive2DSequence xSeqRetval;
426 :
427 0 : for(sal_uInt32 a(0); a < nSubHierarchyCount; a++)
428 : {
429 0 : const ViewObjectContact& rCandidate(GetViewContact().GetViewContact(a).GetViewObjectContact(GetObjectContact()));
430 :
431 0 : drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(xSeqRetval, rCandidate.getPrimitive2DSequenceHierarchy(rDisplayInfo));
432 : }
433 :
434 0 : return xSeqRetval;
435 : }
436 : } // end of namespace contact
437 : } // end of namespace sdr
438 :
439 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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