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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 : unsigned mbTextAnimationAllowed : 1;
62 :
63 : // graphic animation allowed?
64 : unsigned 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);
69 :
70 : public:
71 : AnimatedExtractingProcessor2D(
72 : const drawinglayer::geometry::ViewInformation2D& rViewInformation,
73 : bool bTextAnimationAllowed,
74 : bool bGraphicAnimationAllowed);
75 : virtual ~AnimatedExtractingProcessor2D();
76 :
77 : // data access
78 130 : const drawinglayer::primitive2d::Primitive2DSequence& getPrimitive2DSequence() const { return maPrimitive2DSequence; }
79 0 : bool isTextAnimationAllowed() const { return mbTextAnimationAllowed; }
80 0 : bool isGraphicAnimationAllowed() const { return mbGraphicAnimationAllowed; }
81 : };
82 :
83 130 : AnimatedExtractingProcessor2D::AnimatedExtractingProcessor2D(
84 : const drawinglayer::geometry::ViewInformation2D& rViewInformation,
85 : bool bTextAnimationAllowed,
86 : bool bGraphicAnimationAllowed)
87 : : drawinglayer::processor2d::BaseProcessor2D(rViewInformation),
88 : maPrimitive2DSequence(),
89 : mbTextAnimationAllowed(bTextAnimationAllowed),
90 130 : mbGraphicAnimationAllowed(bGraphicAnimationAllowed)
91 : {
92 130 : }
93 :
94 130 : AnimatedExtractingProcessor2D::~AnimatedExtractingProcessor2D()
95 : {
96 130 : }
97 :
98 185 : void AnimatedExtractingProcessor2D::processBasePrimitive2D(const drawinglayer::primitive2d::BasePrimitive2D& rCandidate)
99 : {
100 : // known implementation, access directly
101 185 : 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 : // decompose evtl. animated text contained in MaskPrimitive2D
135 : // or group rimitives
136 : case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
137 : case PRIMITIVE2D_ID_GROUPPRIMITIVE2D :
138 : {
139 34 : process(rCandidate.get2DDecomposition(getViewInformation2D()));
140 34 : break;
141 : }
142 :
143 : default :
144 : {
145 : // nothing to do for the rest
146 151 : break;
147 : }
148 : }
149 185 : }
150 : } // end of anonymous namespace
151 :
152 : //////////////////////////////////////////////////////////////////////////////
153 :
154 : namespace sdr
155 : {
156 : namespace contact
157 : {
158 1740 : ViewObjectContact::ViewObjectContact(ObjectContact& rObjectContact, ViewContact& rViewContact)
159 : : mrObjectContact(rObjectContact),
160 : mrViewContact(rViewContact),
161 : maObjectRange(),
162 : mxPrimitive2DSequence(),
163 : mpPrimitiveAnimation(0),
164 1740 : mbLazyInvalidate(false)
165 : {
166 : // make the ViewContact remember me
167 1740 : mrViewContact.AddViewObjectContact(*this);
168 :
169 : // make the ObjectContact remember me
170 1740 : mrObjectContact.AddViewObjectContact(*this);
171 1740 : }
172 :
173 236 : ViewObjectContact::~ViewObjectContact()
174 : {
175 : // invalidate in view
176 118 : if(!maObjectRange.isEmpty())
177 : {
178 15 : GetObjectContact().InvalidatePartOfView(maObjectRange);
179 : }
180 :
181 : // delete PrimitiveAnimation
182 118 : if(mpPrimitiveAnimation)
183 : {
184 0 : delete mpPrimitiveAnimation;
185 0 : mpPrimitiveAnimation = 0;
186 : }
187 :
188 : // take care of remebered ObjectContact. Remove from
189 : // OC first. The VC removal (below) CAN trigger a StopGettingViewed()
190 : // which (depending of it's implementation) may destroy other OCs. This
191 : // can trigger the deletion of the helper OC of a page visualising object
192 : // which IS the OC of this object. Eventually StopGettingViewed() needs
193 : // to get asynchron later
194 118 : GetObjectContact().RemoveViewObjectContact(*this);
195 :
196 : // take care of remebered ViewContact
197 118 : GetViewContact().RemoveViewObjectContact(*this);
198 118 : }
199 :
200 40 : const basegfx::B2DRange& ViewObjectContact::getObjectRange() const
201 : {
202 40 : if(maObjectRange.isEmpty())
203 : {
204 : // if range is not computed (new or LazyInvalidate objects), force it
205 40 : const DisplayInfo aDisplayInfo;
206 40 : const drawinglayer::primitive2d::Primitive2DSequence xSequence(getPrimitive2DSequence(aDisplayInfo));
207 :
208 40 : if(xSequence.hasElements())
209 : {
210 20 : const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
211 : const_cast< ViewObjectContact* >(this)->maObjectRange =
212 20 : drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(xSequence, rViewInformation2D);
213 40 : }
214 : }
215 :
216 40 : return maObjectRange;
217 : }
218 :
219 12 : void ViewObjectContact::ActionChanged()
220 : {
221 12 : if(!mbLazyInvalidate)
222 : {
223 : // set local flag
224 12 : mbLazyInvalidate = true;
225 :
226 : // force ObjectRange
227 12 : getObjectRange();
228 :
229 12 : if(!maObjectRange.isEmpty())
230 : {
231 : // invalidate current valid range
232 9 : GetObjectContact().InvalidatePartOfView(maObjectRange);
233 :
234 : // reset ObjectRange, it needs to be recalculated
235 9 : maObjectRange.reset();
236 : }
237 :
238 : // register at OC for lazy invalidate
239 12 : GetObjectContact().setLazyInvalidate(*this);
240 : }
241 12 : }
242 :
243 139 : void ViewObjectContact::triggerLazyInvalidate()
244 : {
245 139 : if(mbLazyInvalidate)
246 : {
247 : // reset flag
248 12 : mbLazyInvalidate = false;
249 :
250 : // force ObjectRange
251 12 : getObjectRange();
252 :
253 12 : if(!maObjectRange.isEmpty())
254 : {
255 : // invalidate current valid range
256 9 : GetObjectContact().InvalidatePartOfView(maObjectRange);
257 : }
258 : }
259 139 : }
260 :
261 : // Take some action when new objects are inserted
262 0 : void ViewObjectContact::ActionChildInserted(ViewContact& rChild)
263 : {
264 : // force creation of the new VOC and trigger it's refresh, so it
265 : // will take part in LazyInvalidate immediately
266 0 : rChild.GetViewObjectContact(GetObjectContact()).ActionChanged();
267 :
268 : // forward action to ObjectContact
269 : // const ViewObjectContact& rChildVOC = rChild.GetViewObjectContact(GetObjectContact());
270 : // GetObjectContact().InvalidatePartOfView(rChildVOC.getObjectRange());
271 0 : }
272 :
273 130 : void ViewObjectContact::checkForPrimitive2DAnimations()
274 : {
275 : // remove old one
276 130 : if(mpPrimitiveAnimation)
277 : {
278 0 : delete mpPrimitiveAnimation;
279 0 : mpPrimitiveAnimation = 0;
280 : }
281 :
282 : // check for animated primitives
283 130 : if(mxPrimitive2DSequence.hasElements())
284 : {
285 130 : const bool bTextAnimationAllowed(GetObjectContact().IsTextAnimationAllowed());
286 130 : const bool bGraphicAnimationAllowed(GetObjectContact().IsGraphicAnimationAllowed());
287 :
288 130 : if(bTextAnimationAllowed || bGraphicAnimationAllowed)
289 : {
290 130 : AnimatedExtractingProcessor2D aAnimatedExtractor(GetObjectContact().getViewInformation2D(),
291 260 : bTextAnimationAllowed, bGraphicAnimationAllowed);
292 130 : aAnimatedExtractor.process(mxPrimitive2DSequence);
293 :
294 130 : if(aAnimatedExtractor.getPrimitive2DSequence().hasElements())
295 : {
296 : // dervied primitiveList is animated, setup new PrimitiveAnimation
297 0 : mpPrimitiveAnimation = new sdr::animation::PrimitiveAnimation(*this, aAnimatedExtractor.getPrimitive2DSequence());
298 130 : }
299 : }
300 : }
301 130 : }
302 :
303 284 : drawinglayer::primitive2d::Primitive2DSequence ViewObjectContact::createPrimitive2DSequence(const DisplayInfo& rDisplayInfo) const
304 : {
305 : // get the view-independent Primitive from the viewContact
306 284 : drawinglayer::primitive2d::Primitive2DSequence xRetval(GetViewContact().getViewIndependentPrimitive2DSequence());
307 :
308 284 : if(xRetval.hasElements())
309 : {
310 : // handle GluePoint
311 237 : if(!GetObjectContact().isOutputToPrinter() && GetObjectContact().AreGluePointsVisible())
312 : {
313 0 : const drawinglayer::primitive2d::Primitive2DSequence xGlue(GetViewContact().createGluePointPrimitive2DSequence());
314 :
315 0 : if(xGlue.hasElements())
316 : {
317 0 : drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(xRetval, xGlue);
318 0 : }
319 : }
320 :
321 : // handle ghosted
322 237 : if(isPrimitiveGhosted(rDisplayInfo))
323 : {
324 0 : const basegfx::BColor aRGBWhite(1.0, 1.0, 1.0);
325 0 : const basegfx::BColorModifier aBColorModifier(aRGBWhite, 0.5, basegfx::BCOLORMODIFYMODE_INTERPOLATE);
326 0 : const drawinglayer::primitive2d::Primitive2DReference xReference(new drawinglayer::primitive2d::ModifiedColorPrimitive2D(xRetval, aBColorModifier));
327 0 : xRetval = drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
328 : }
329 : }
330 :
331 284 : return xRetval;
332 : }
333 :
334 300 : drawinglayer::primitive2d::Primitive2DSequence ViewObjectContact::getPrimitive2DSequence(const DisplayInfo& rDisplayInfo) const
335 : {
336 300 : drawinglayer::primitive2d::Primitive2DSequence xNewPrimitiveSequence;
337 :
338 : // take care of redirectors and create new list
339 300 : ViewObjectContactRedirector* pRedirector = GetObjectContact().GetViewObjectContactRedirector();
340 :
341 300 : if(pRedirector)
342 : {
343 244 : xNewPrimitiveSequence = pRedirector->createRedirectedPrimitive2DSequence(*this, rDisplayInfo);
344 : }
345 : else
346 : {
347 56 : xNewPrimitiveSequence = createPrimitive2DSequence(rDisplayInfo);
348 : }
349 :
350 : // local up-to-date checks. New list different from local one?
351 300 : if(!drawinglayer::primitive2d::arePrimitive2DSequencesEqual(mxPrimitive2DSequence, xNewPrimitiveSequence))
352 : {
353 : // has changed, copy content
354 130 : const_cast< ViewObjectContact* >(this)->mxPrimitive2DSequence = xNewPrimitiveSequence;
355 :
356 : // check for animated stuff
357 130 : const_cast< ViewObjectContact* >(this)->checkForPrimitive2DAnimations();
358 :
359 : // always update object range when PrimitiveSequence changes
360 130 : const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
361 : const_cast< ViewObjectContact* >(this)->maObjectRange =
362 130 : drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(mxPrimitive2DSequence, rViewInformation2D);
363 : }
364 :
365 : // return current Primitive2DSequence
366 300 : return mxPrimitive2DSequence;
367 : }
368 :
369 0 : bool ViewObjectContact::isPrimitiveVisible(const DisplayInfo& /*rDisplayInfo*/) const
370 : {
371 : // default: always visible
372 0 : return true;
373 : }
374 :
375 231 : bool ViewObjectContact::isPrimitiveGhosted(const DisplayInfo& rDisplayInfo) const
376 : {
377 : // default: standard check
378 231 : return (GetObjectContact().DoVisualizeEnteredGroup() && !GetObjectContact().isOutputToPrinter() && rDisplayInfo.IsGhostedDrawModeActive());
379 : }
380 :
381 8908 : drawinglayer::primitive2d::Primitive2DSequence ViewObjectContact::getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo) const
382 : {
383 8908 : drawinglayer::primitive2d::Primitive2DSequence xRetval;
384 :
385 : // check model-view visibility
386 8908 : if(isPrimitiveVisible(rDisplayInfo))
387 : {
388 260 : xRetval = getPrimitive2DSequence(rDisplayInfo);
389 :
390 260 : if(xRetval.hasElements())
391 : {
392 : // get ranges
393 225 : const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
394 225 : const basegfx::B2DRange aObjectRange(drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(xRetval, rViewInformation2D));
395 225 : const basegfx::B2DRange aViewRange(rViewInformation2D.getViewport());
396 :
397 : // check geometrical visibility
398 225 : if(!aViewRange.isEmpty() && !aViewRange.overlaps(aObjectRange))
399 : {
400 : // not visible, release
401 20 : xRetval.realloc(0);
402 : }
403 : }
404 : }
405 :
406 8908 : return xRetval;
407 : }
408 :
409 1169 : drawinglayer::primitive2d::Primitive2DSequence ViewObjectContact::getPrimitive2DSequenceSubHierarchy(DisplayInfo& rDisplayInfo) const
410 : {
411 1169 : const sal_uInt32 nSubHierarchyCount(GetViewContact().GetObjectCount());
412 1169 : drawinglayer::primitive2d::Primitive2DSequence xSeqRetval;
413 :
414 10885 : for(sal_uInt32 a(0); a < nSubHierarchyCount; a++)
415 : {
416 9716 : const ViewObjectContact& rCandidate(GetViewContact().GetViewContact(a).GetViewObjectContact(GetObjectContact()));
417 :
418 9716 : drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(xSeqRetval, rCandidate.getPrimitive2DSequenceHierarchy(rDisplayInfo));
419 : }
420 :
421 1169 : return xSeqRetval;
422 : }
423 : } // end of namespace contact
424 : } // end of namespace sdr
425 :
426 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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