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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 :
21 : #include <canvas/debug.hxx>
22 : #include <tools/diagnose_ex.h>
23 :
24 : #include <comphelper/anytostring.hxx>
25 : #include <cppuhelper/exc_hlp.hxx>
26 : #include <basegfx/numeric/ftools.hxx>
27 : #include <basegfx/matrix/b2dhommatrix.hxx>
28 : #include <basegfx/polygon/b2dpolypolygontools.hxx>
29 :
30 : #include <com/sun/star/animations/TransitionType.hpp>
31 : #include <com/sun/star/animations/TransitionSubType.hpp>
32 :
33 : #include "transitionfactory.hxx"
34 : #include "transitiontools.hxx"
35 : #include "parametricpolypolygonfactory.hxx"
36 : #include "animationfactory.hxx"
37 : #include "clippingfunctor.hxx"
38 :
39 : using namespace ::com::sun::star;
40 :
41 : namespace slideshow {
42 : namespace internal {
43 :
44 : /***************************************************
45 : *** ***
46 : *** Shape Transition Effects ***
47 : *** ***
48 : ***************************************************/
49 :
50 : namespace {
51 :
52 : class ClippingAnimation : public NumberAnimation
53 : {
54 : public:
55 : ClippingAnimation(
56 : const ParametricPolyPolygonSharedPtr& rPolygon,
57 : const ShapeManagerSharedPtr& rShapeManager,
58 : const TransitionInfo& rTransitionInfo,
59 : bool bDirectionForward,
60 : bool bModeIn );
61 :
62 : ~ClippingAnimation();
63 :
64 : // Animation interface
65 : // -------------------
66 : virtual void prefetch( const AnimatableShapeSharedPtr& rShape,
67 : const ShapeAttributeLayerSharedPtr& rAttrLayer );
68 : virtual void start( const AnimatableShapeSharedPtr& rShape,
69 : const ShapeAttributeLayerSharedPtr& rAttrLayer );
70 : virtual void end();
71 :
72 : // NumberAnimation interface
73 : // -----------------------
74 : virtual bool operator()( double nValue );
75 : virtual double getUnderlyingValue() const;
76 :
77 : private:
78 : void end_();
79 :
80 : AnimatableShapeSharedPtr mpShape;
81 : ShapeAttributeLayerSharedPtr mpAttrLayer;
82 : ShapeManagerSharedPtr mpShapeManager;
83 : ClippingFunctor maClippingFunctor;
84 : bool mbSpriteActive;
85 : };
86 :
87 0 : ClippingAnimation::ClippingAnimation(
88 : const ParametricPolyPolygonSharedPtr& rPolygon,
89 : const ShapeManagerSharedPtr& rShapeManager,
90 : const TransitionInfo& rTransitionInfo,
91 : bool bDirectionForward,
92 : bool bModeIn ) :
93 : mpShape(),
94 : mpAttrLayer(),
95 : mpShapeManager( rShapeManager ),
96 : maClippingFunctor( rPolygon,
97 : rTransitionInfo,
98 : bDirectionForward,
99 : bModeIn ),
100 0 : mbSpriteActive(false)
101 : {
102 0 : ENSURE_OR_THROW(
103 : rShapeManager,
104 : "ClippingAnimation::ClippingAnimation(): Invalid ShapeManager" );
105 0 : }
106 :
107 0 : ClippingAnimation::~ClippingAnimation()
108 : {
109 : try
110 : {
111 0 : end_();
112 : }
113 0 : catch (uno::Exception &)
114 : {
115 : OSL_FAIL( rtl::OUStringToOString(
116 : comphelper::anyToString(
117 : cppu::getCaughtException() ),
118 : RTL_TEXTENCODING_UTF8 ).getStr() );
119 : }
120 0 : }
121 :
122 0 : void ClippingAnimation::prefetch( const AnimatableShapeSharedPtr&,
123 : const ShapeAttributeLayerSharedPtr& )
124 : {
125 0 : }
126 :
127 0 : void ClippingAnimation::start( const AnimatableShapeSharedPtr& rShape,
128 : const ShapeAttributeLayerSharedPtr& rAttrLayer )
129 : {
130 : OSL_ENSURE( !mpShape,
131 : "ClippingAnimation::start(): Shape already set" );
132 : OSL_ENSURE( !mpAttrLayer,
133 : "ClippingAnimation::start(): Attribute layer already set" );
134 0 : ENSURE_OR_THROW( rShape,
135 : "ClippingAnimation::start(): Invalid shape" );
136 0 : ENSURE_OR_THROW( rAttrLayer,
137 : "ClippingAnimation::start(): Invalid attribute layer" );
138 :
139 0 : mpShape = rShape;
140 0 : mpAttrLayer = rAttrLayer;
141 :
142 0 : if( !mbSpriteActive )
143 : {
144 0 : mpShapeManager->enterAnimationMode( mpShape );
145 0 : mbSpriteActive = true;
146 : }
147 0 : }
148 :
149 0 : void ClippingAnimation::end()
150 : {
151 0 : end_();
152 0 : }
153 :
154 0 : void ClippingAnimation::end_()
155 : {
156 0 : if( mbSpriteActive )
157 : {
158 0 : mbSpriteActive = false;
159 0 : mpShapeManager->leaveAnimationMode( mpShape );
160 :
161 0 : if( mpShape->isContentChanged() )
162 0 : mpShapeManager->notifyShapeUpdate( mpShape );
163 : }
164 0 : }
165 :
166 0 : bool ClippingAnimation::operator()( double nValue )
167 : {
168 0 : ENSURE_OR_RETURN_FALSE(
169 : mpAttrLayer && mpShape,
170 : "ClippingAnimation::operator(): Invalid ShapeAttributeLayer" );
171 :
172 : // set new clip
173 : mpAttrLayer->setClip( maClippingFunctor( nValue,
174 0 : mpShape->getDomBounds().getRange() ) );
175 :
176 0 : if( mpShape->isContentChanged() )
177 0 : mpShapeManager->notifyShapeUpdate( mpShape );
178 :
179 0 : return true;
180 : }
181 :
182 0 : double ClippingAnimation::getUnderlyingValue() const
183 : {
184 0 : ENSURE_OR_THROW(
185 : mpAttrLayer,
186 : "ClippingAnimation::getUnderlyingValue(): Invalid ShapeAttributeLayer" );
187 :
188 0 : return 0.0; // though this should be used in concert with
189 : // ActivitiesFactory::createSimpleActivity, better
190 : // explicitly name our start value.
191 : // Permissible range for operator() above is [0,1]
192 : }
193 :
194 : } // anon namespace
195 :
196 :
197 0 : AnimationActivitySharedPtr TransitionFactory::createShapeTransition(
198 : const ActivitiesFactory::CommonParameters& rParms,
199 : const AnimatableShapeSharedPtr& rShape,
200 : const ShapeManagerSharedPtr& rShapeManager,
201 : const ::basegfx::B2DVector& rSlideSize,
202 : uno::Reference< animations::XTransitionFilter > const& xTransition )
203 : {
204 : return createShapeTransition( rParms,
205 : rShape,
206 : rShapeManager,
207 : rSlideSize,
208 : xTransition,
209 0 : xTransition->getTransition(),
210 0 : xTransition->getSubtype() );
211 : }
212 :
213 0 : AnimationActivitySharedPtr TransitionFactory::createShapeTransition(
214 : const ActivitiesFactory::CommonParameters& rParms,
215 : const AnimatableShapeSharedPtr& rShape,
216 : const ShapeManagerSharedPtr& rShapeManager,
217 : const ::basegfx::B2DVector& rSlideSize,
218 : ::com::sun::star::uno::Reference<
219 : ::com::sun::star::animations::XTransitionFilter > const& xTransition,
220 : sal_Int16 nType,
221 : sal_Int16 nSubType )
222 : {
223 0 : ENSURE_OR_THROW(
224 : xTransition.is(),
225 : "TransitionFactory::createShapeTransition(): Invalid XTransition" );
226 :
227 : const TransitionInfo* pTransitionInfo(
228 0 : getTransitionInfo( nType, nSubType ) );
229 :
230 0 : AnimationActivitySharedPtr pGeneratedActivity;
231 0 : if( pTransitionInfo != NULL )
232 : {
233 0 : switch( pTransitionInfo->meTransitionClass )
234 : {
235 : default:
236 : case TransitionInfo::TRANSITION_INVALID:
237 : OSL_FAIL( "TransitionFactory::createShapeTransition(): Invalid transition type. "
238 : "Don't ask me for a 0 TransitionType, have no XTransitionFilter node instead!" );
239 0 : return AnimationActivitySharedPtr();
240 :
241 :
242 : case TransitionInfo::TRANSITION_CLIP_POLYPOLYGON:
243 : {
244 : // generate parametric poly-polygon
245 : ParametricPolyPolygonSharedPtr pPoly(
246 : ParametricPolyPolygonFactory::createClipPolyPolygon(
247 0 : nType, nSubType ) );
248 :
249 : // create a clip activity from that
250 : pGeneratedActivity = ActivitiesFactory::createSimpleActivity(
251 : rParms,
252 : NumberAnimationSharedPtr(
253 : new ClippingAnimation(
254 : pPoly,
255 : rShapeManager,
256 : *pTransitionInfo,
257 0 : xTransition->getDirection(),
258 0 : xTransition->getMode() ) ),
259 0 : true );
260 : }
261 0 : break;
262 :
263 : case TransitionInfo::TRANSITION_SPECIAL:
264 : {
265 0 : switch( nType )
266 : {
267 : case animations::TransitionType::RANDOM:
268 : {
269 : // select randomly one of the effects from the
270 : // TransitionFactoryTable
271 :
272 0 : const TransitionInfo* pRandomTransitionInfo( getRandomTransitionInfo() );
273 :
274 0 : ENSURE_OR_THROW( pRandomTransitionInfo != NULL,
275 : "TransitionFactory::createShapeTransition(): Got invalid random transition info" );
276 :
277 0 : ENSURE_OR_THROW( pRandomTransitionInfo->mnTransitionType != animations::TransitionType::RANDOM,
278 : "TransitionFactory::createShapeTransition(): Got random again for random input!" );
279 :
280 : // and recurse
281 : pGeneratedActivity = createShapeTransition( rParms,
282 : rShape,
283 : rShapeManager,
284 : rSlideSize,
285 : xTransition,
286 : pRandomTransitionInfo->mnTransitionType,
287 0 : pRandomTransitionInfo->mnTransitionSubType );
288 : }
289 0 : break;
290 :
291 : // TODO(F3): Implement slidewipe for shape
292 : case animations::TransitionType::SLIDEWIPE:
293 : {
294 0 : sal_Int16 nBarWipeSubType(0);
295 0 : bool bDirectionForward(true);
296 :
297 : // map slidewipe to BARWIPE, for now
298 0 : switch( nSubType )
299 : {
300 : case animations::TransitionSubType::FROMLEFT:
301 0 : nBarWipeSubType = animations::TransitionSubType::LEFTTORIGHT;
302 0 : bDirectionForward = true;
303 0 : break;
304 :
305 : case animations::TransitionSubType::FROMRIGHT:
306 0 : nBarWipeSubType = animations::TransitionSubType::LEFTTORIGHT;
307 0 : bDirectionForward = false;
308 0 : break;
309 :
310 : case animations::TransitionSubType::FROMTOP:
311 0 : nBarWipeSubType = animations::TransitionSubType::TOPTOBOTTOM;
312 0 : bDirectionForward = true;
313 0 : break;
314 :
315 : case animations::TransitionSubType::FROMBOTTOM:
316 0 : nBarWipeSubType = animations::TransitionSubType::TOPTOBOTTOM;
317 0 : bDirectionForward = false;
318 0 : break;
319 :
320 : default:
321 0 : ENSURE_OR_THROW( false,
322 : "TransitionFactory::createShapeTransition(): Unexpected subtype for SLIDEWIPE" );
323 : break;
324 : }
325 :
326 : // generate parametric poly-polygon
327 : ParametricPolyPolygonSharedPtr pPoly(
328 : ParametricPolyPolygonFactory::createClipPolyPolygon(
329 : animations::TransitionType::BARWIPE,
330 0 : nBarWipeSubType ) );
331 :
332 : // create a clip activity from that
333 : pGeneratedActivity = ActivitiesFactory::createSimpleActivity(
334 : rParms,
335 : NumberAnimationSharedPtr(
336 : new ClippingAnimation(
337 : pPoly,
338 : rShapeManager,
339 : *getTransitionInfo( animations::TransitionType::BARWIPE,
340 0 : nBarWipeSubType ),
341 : bDirectionForward,
342 0 : xTransition->getMode() ) ),
343 0 : true );
344 : }
345 0 : break;
346 :
347 : default:
348 : {
349 : // TODO(F1): Check whether there's anything left, anyway,
350 : // for _shape_ transitions. AFAIK, there are no special
351 : // effects for shapes...
352 :
353 : // for now, map all to fade effect
354 : pGeneratedActivity = ActivitiesFactory::createSimpleActivity(
355 : rParms,
356 : AnimationFactory::createNumberPropertyAnimation(
357 : ::rtl::OUString(
358 : RTL_CONSTASCII_USTRINGPARAM("Opacity") ),
359 : rShape,
360 : rShapeManager,
361 : rSlideSize ),
362 0 : xTransition->getMode() );
363 : }
364 0 : break;
365 : }
366 : }
367 0 : break;
368 : }
369 : }
370 :
371 0 : if( !pGeneratedActivity )
372 : {
373 : // No animation generated, maybe no table entry for given
374 : // transition?
375 : OSL_TRACE(
376 : "TransitionFactory::createShapeTransition(): Unknown type/subtype (%d/%d) "
377 : "combination encountered",
378 : xTransition->getTransition(),
379 : xTransition->getSubtype() );
380 : OSL_FAIL(
381 : "TransitionFactory::createShapeTransition(): Unknown type/subtype "
382 : "combination encountered" );
383 : }
384 :
385 0 : return pGeneratedActivity;
386 : }
387 :
388 : }
389 : }
390 :
391 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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