1 /* libs/graphics/animator/SkDisplayApply.cpp 2 ** 3 ** Copyright 2006, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 #include "SkDisplayApply.h" 19 #include "SkAnimateActive.h" 20 #include "SkAnimateMaker.h" 21 #include "SkAnimateSet.h" 22 #include "SkAnimatorScript.h" 23 #include "SkDisplayType.h" 24 #include "SkDrawGroup.h" 25 #include "SkParse.h" 26 #include "SkScript.h" 27 #include "SkSystemEventTypes.h" 28 #ifdef SK_DEBUG 29 #include "SkTime.h" 30 #endif 31 #include <ctype.h> 32 33 enum SkApply_Properties { 34 SK_PROPERTY(animator), 35 SK_PROPERTY(step), 36 SK_PROPERTY(steps), 37 SK_PROPERTY(time) 38 }; 39 40 #if SK_USE_CONDENSED_INFO == 0 41 42 // if no attibutes, enclosed displayable is both scope & target 43 // only if both scope & target are specified, or if target and enclosed displayable, are scope and target different 44 const SkMemberInfo SkApply::fInfo[] = { 45 SK_MEMBER_PROPERTY(animator, Animate), 46 SK_MEMBER(begin, MSec), 47 SK_MEMBER(dontDraw, Boolean), 48 SK_MEMBER(dynamicScope, String), 49 SK_MEMBER(interval, MSec), // recommended redraw interval 50 SK_MEMBER(mode, ApplyMode), 51 #if 0 52 SK_MEMBER(pickup, Boolean), 53 #endif 54 SK_MEMBER(restore, Boolean), 55 SK_MEMBER(scope, Drawable), // thing that scopes animation (unnamed enclosed displayable goes here) 56 SK_MEMBER_PROPERTY(step, Int), 57 SK_MEMBER_PROPERTY(steps, Int), 58 SK_MEMBER_PROPERTY(time, MSec), 59 SK_MEMBER(transition, ApplyTransition) 60 }; 61 62 #endif 63 64 DEFINE_GET_MEMBER(SkApply); 65 66 SkApply::SkApply() : begin(0), dontDraw(false), interval((SkMSec) -1), mode((Mode) -1), /*pickup(false), */ 67 restore(false), scope(NULL), steps(-1), transition((Transition) -1), fActive(NULL), /*fCurrentScope(NULL),*/ 68 fLastTime(0), fAppended(false), fContainsScope(false), fDeleteScope(false), fEmbedded(false), 69 fEnabled(false), fEnabling(false) { 70 } 71 72 SkApply::~SkApply() { 73 for (SkDrawable** curPtr = fScopes.begin(); curPtr < fScopes.end(); curPtr++) 74 delete *curPtr; 75 if (fDeleteScope) 76 delete scope; 77 // !!! caller must call maker.removeActive(fActive) 78 delete fActive; 79 } 80 81 void SkApply::activate(SkAnimateMaker& maker) { 82 if (fActive != NULL) { 83 if (fActive->fDrawIndex == 0 && fActive->fDrawMax == 0) 84 return; // if only one use, nothing more to do 85 if (restore == false) 86 return; // all share same state, regardless of instance number 87 bool save = fActive->initializeSave(); 88 fActive->fixInterpolator(save); 89 } else { 90 fActive = new SkActive(*this, maker); 91 fActive->init(); 92 maker.appendActive(fActive); 93 if (restore) { 94 fActive->initializeSave(); 95 int animators = fAnimators.count(); 96 for (int index = 0; index < animators; index++) 97 fActive->saveInterpolatorValues(index); 98 } 99 } 100 } 101 102 void SkApply::append(SkApply* apply) { 103 if (fActive == NULL) 104 return; 105 int oldCount = fActive->fAnimators.count(); 106 fActive->append(apply); 107 if (restore) { 108 fActive->appendSave(oldCount); 109 int newCount = fActive->fAnimators.count(); 110 for (int index = oldCount; index < newCount; index++) 111 fActive->saveInterpolatorValues(index); 112 } 113 } 114 115 void SkApply::applyValues(int animatorIndex, SkOperand* values, int count, 116 SkDisplayTypes valuesType, SkMSec time) 117 { 118 SkAnimateBase* animator = fActive->fAnimators[animatorIndex]; 119 const SkMemberInfo * info = animator->fFieldInfo; 120 SkASSERT(animator); 121 SkASSERT(info != NULL); 122 SkDisplayTypes type = (SkDisplayTypes) info->fType; 123 SkDisplayable* target = getTarget(animator); 124 if (animator->hasExecute() || type == SkType_MemberFunction || type == SkType_MemberProperty) { 125 SkDisplayable* executor = animator->hasExecute() ? animator : target; 126 if (type != SkType_MemberProperty) { 127 SkTDArray<SkScriptValue> typedValues; 128 for (int index = 0; index < count; index++) { 129 SkScriptValue temp; 130 temp.fType = valuesType; 131 temp.fOperand = values[index]; 132 *typedValues.append() = temp; 133 } 134 executor->executeFunction(target, info->functionIndex(), typedValues, info->getType(), NULL); 135 } else { 136 SkScriptValue scriptValue; 137 scriptValue.fOperand = values[0]; 138 scriptValue.fType = info->getType(); 139 target->setProperty(info->propertyIndex(), scriptValue); 140 } 141 } else { 142 SkTypedArray converted; 143 if (type == SkType_ARGB) { 144 if (count == 4) { 145 // !!! assert that it is SkType_Float ? 146 animator->packARGB(&values->fScalar, count, &converted); 147 values = converted.begin(); 148 count = converted.count(); 149 } else 150 SkASSERT(count == 1); 151 } 152 // SkASSERT(type == SkType_ARGB || type == SkType_String ||info->isSettable()); 153 if (type == SkType_String || type == SkType_DynamicString) 154 info->setString(target, values->fString); 155 else if (type == SkType_Drawable || type == SkType_Displayable) 156 target->setReference(info, values->fDisplayable); 157 else 158 info->setValue(target, values, count); 159 } 160 } 161 162 bool SkApply::contains(SkDisplayable* child) { 163 for (SkDrawable** curPtr = fScopes.begin(); curPtr < fScopes.end(); curPtr++) { 164 if (*curPtr == child || (*curPtr)->contains(child)) 165 return true; 166 } 167 return fDeleteScope && scope == child; 168 } 169 170 SkDisplayable* SkApply::deepCopy(SkAnimateMaker* maker) { 171 SkDrawable* saveScope = scope; 172 scope = NULL; 173 SkApply* result = (SkApply*) INHERITED::deepCopy(maker); 174 result->scope = scope = saveScope; 175 SkAnimateBase** end = fAnimators.end(); 176 for (SkAnimateBase** animPtr = fAnimators.begin(); animPtr < end; animPtr++) { 177 SkAnimateBase* anim = (SkAnimateBase*) (*animPtr)->deepCopy(maker); 178 *result->fAnimators.append() = anim; 179 maker->helperAdd(anim); 180 } 181 return result; 182 } 183 184 void SkApply::disable() { 185 //!!! this is the right thing to do, but has bad side effects because of other problems 186 // currently, if an apply is in a g and scopes a statement in another g, it ends up as members 187 // of both containers. The disabling here incorrectly disables both instances 188 // maybe the fEnabled flag needs to be moved to the fActive data so that both 189 // instances are not affected. 190 // fEnabled = false; 191 } 192 193 bool SkApply::draw(SkAnimateMaker& maker) { 194 if (scope ==NULL) 195 return false; 196 if (scope->isApply() || scope->isDrawable() == false) 197 return false; 198 if (fEnabled == false) 199 enable(maker); 200 SkASSERT(scope); 201 activate(maker); 202 if (mode == kMode_immediate) 203 return fActive->draw(); 204 bool result = interpolate(maker, maker.getInTime()); 205 if (dontDraw == false) { 206 // if (scope->isDrawable()) 207 result |= scope->draw(maker); 208 } 209 if (restore) { 210 for (int index = 0; index < fActive->fAnimators.count(); index++) 211 endSave(index); 212 fActive->advance(); 213 } 214 return result; 215 } 216 217 #ifdef SK_DUMP_ENABLED 218 void SkApply::dump(SkAnimateMaker* maker) { 219 dumpBase(maker); 220 if (dynamicScope.isEmpty() == false) 221 SkDebugf("dynamicScope=\"%s\" ", dynamicScope.c_str()); 222 if (dontDraw) 223 SkDebugf("dontDraw=\"true\" "); 224 if (begin != 0) //perhaps we want this no matter what? 225 SkDebugf("begin=\"%g\" ", (float) begin/1000.0f); //is this correct? 226 if (interval != (SkMSec) -1) 227 SkDebugf("interval=\"%g\" ", (float) interval/1000.0f); 228 if (steps != -1) 229 SkDebugf("steps=\"%d\" ", steps); 230 if (restore) 231 SkDebugf("restore=\"true\" "); 232 if (transition == kTransition_reverse) 233 SkDebugf("transition=\"reverse\" "); 234 if (mode == kMode_immediate) { 235 SkDebugf("mode=\"immediate\" "); 236 } 237 else if (mode == kMode_create) { 238 SkDebugf("mode=\"create\" "); 239 } 240 bool closedYet = false; 241 SkDisplayList::fIndent += 4; 242 int save = SkDisplayList::fDumpIndex; 243 if (scope) { 244 if (closedYet == false) { 245 SkDebugf(">\n"); 246 closedYet = true; 247 } 248 scope->dump(maker); 249 } 250 int index; 251 // if (fActive) { 252 for (index = 0; index < fAnimators.count(); index++) { 253 if (closedYet == false) { 254 SkDebugf(">\n"); 255 closedYet = true; 256 } 257 SkAnimateBase* animator = fAnimators[index]; 258 animator->dump(maker); 259 // } 260 } 261 SkDisplayList::fIndent -= 4; 262 SkDisplayList::fDumpIndex = save; 263 if (closedYet) 264 dumpEnd(maker); 265 else 266 SkDebugf("/>\n"); 267 } 268 #endif 269 270 bool SkApply::enable(SkAnimateMaker& maker) { 271 fEnabled = true; 272 bool initialized = fActive != NULL; 273 if (dynamicScope.size() > 0) 274 enableDynamic(maker); 275 if (maker.fError.hasError()) 276 return false; 277 int animators = fAnimators.count(); 278 int index; 279 for (index = 0; index < animators; index++) { 280 SkAnimateBase* animator = fAnimators[index]; 281 animator->fStart = maker.fEnableTime; 282 animator->fResetPending = animator->fReset; 283 } 284 if (scope && scope->isApply()) 285 ((SkApply*) scope)->setEmbedded(); 286 /* if (mode == kMode_once) { 287 if (scope) { 288 activate(maker); 289 interpolate(maker, maker.fEnableTime); 290 inactivate(maker); 291 } 292 return true; 293 }*/ 294 if ((mode == kMode_immediate || mode == kMode_create) && scope == NULL) 295 return false; // !!! error? 296 bool enableMe = scope && (scope->hasEnable() || scope->isApply() || scope->isDrawable() == false); 297 if (mode == kMode_immediate && enableMe || mode == kMode_create) 298 activate(maker); // for non-drawables like post, prime them here 299 if (mode == kMode_immediate && enableMe) 300 fActive->enable(); 301 if (mode == kMode_create && scope != NULL) { 302 enableCreate(maker); 303 return true; 304 } 305 if (mode == kMode_immediate) { 306 return scope->isApply() || scope->isDrawable() == false; 307 } 308 refresh(maker); 309 SkDisplayList& displayList = maker.fDisplayList; 310 SkDrawable* drawable; 311 #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING 312 SkString debugOut; 313 SkMSec time = maker.getAppTime(); 314 debugOut.appendS32(time - maker.fDebugTimeBase); 315 debugOut.append(" apply enable id="); 316 debugOut.append(_id); 317 debugOut.append("; start="); 318 debugOut.appendS32(maker.fEnableTime - maker.fDebugTimeBase); 319 SkDebugf("%s\n", debugOut.c_str()); 320 #endif 321 if (scope == NULL || scope->isApply() || scope->getType() == SkType_Movie || scope->isDrawable() == false) { 322 activate(maker); // for non-drawables like post, prime them here 323 if (initialized) { 324 append(this); 325 } 326 fEnabling = true; 327 interpolate(maker, maker.fEnableTime); 328 fEnabling = false; 329 if (scope != NULL && dontDraw == false) 330 scope->enable(maker); 331 return true; 332 } else if (initialized && restore == false) 333 append(this); 334 #if 0 335 bool wasActive = inactivate(maker); // start fresh 336 if (wasActive) { 337 activate(maker); 338 interpolate(maker, maker.fEnableTime); 339 return true; 340 } 341 #endif 342 // start here; 343 // now that one apply might embed another, only the parent apply should replace the scope 344 // or get appended to the display list 345 // similarly, an apply added by an add immediate has already been located in the display list 346 // and should not get moved or added again here 347 if (fEmbedded) { 348 return false; // already added to display list by embedder 349 } 350 drawable = (SkDrawable*) scope; 351 SkTDDrawableArray* parentList; 352 SkTDDrawableArray* grandList; 353 SkGroup* parentGroup; 354 SkGroup* thisGroup; 355 int old = displayList.findGroup(drawable, &parentList, &parentGroup, &thisGroup, &grandList); 356 if (old < 0) 357 goto append; 358 else if (fContainsScope) { 359 if ((*parentList)[old] != this || restore == true) { 360 append: 361 if (parentGroup) 362 parentGroup->markCopySize(old); 363 if (parentList->count() < 10000) { 364 fAppended = true; 365 *parentList->append() = this; 366 } else 367 maker.setErrorCode(SkDisplayXMLParserError::kDisplayTreeTooDeep); 368 old = -1; 369 } else 370 reset(); 371 } else { 372 SkASSERT(old < parentList->count()); 373 if ((*parentList)[old]->isApply()) { 374 SkApply* apply = (SkApply*) (*parentList)[old]; 375 if (apply != this && apply->fActive == NULL) 376 apply->activate(maker); 377 apply->append(this); 378 parentGroup = NULL; 379 } else { 380 if (parentGroup) 381 parentGroup->markCopySize(old); 382 SkDrawable** newApplyLocation = &(*parentList)[old]; 383 SkGroup* pGroup; 384 int oldApply = displayList.findGroup(this, &parentList, &pGroup, &thisGroup, &grandList); 385 if (oldApply >= 0) { 386 (*parentList)[oldApply] = (SkDrawable*) SkDisplayType::CreateInstance(&maker, SkType_Apply); 387 parentGroup = NULL; 388 fDeleteScope = true; 389 } 390 *newApplyLocation = this; 391 } 392 } 393 if (parentGroup) { 394 parentGroup->markCopySet(old); 395 fDeleteScope = dynamicScope.size() == 0; 396 } 397 return true; 398 } 399 400 void SkApply::enableCreate(SkAnimateMaker& maker) { 401 SkString newID; 402 for (int step = 0; step <= steps; step++) { 403 fLastTime = step * SK_MSec1; 404 bool success = maker.computeID(scope, this, &newID); 405 if (success == false) 406 return; 407 if (maker.find(newID.c_str(), NULL)) 408 continue; 409 SkApply* copy = (SkApply*) deepCopy(&maker); // work on copy of animator state 410 if (mode == kMode_create) 411 copy->mode = (Mode) -1; 412 SkDrawable* copyScope = copy->scope = (SkDrawable*) scope->deepCopy(&maker); 413 *fScopes.append() = copyScope; 414 if (copyScope->resolveIDs(maker, scope, this)) { 415 step = steps; // quit 416 goto next; // resolveIDs failed 417 } 418 if (newID.size() > 0) 419 maker.setID(copyScope, newID); 420 if (copy->resolveIDs(maker, this, this)) { // fix up all fields, including target 421 step = steps; // quit 422 goto next; // resolveIDs failed 423 } 424 copy->activate(maker); 425 copy->interpolate(maker, step * SK_MSec1); 426 maker.removeActive(copy->fActive); 427 next: 428 delete copy; 429 } 430 } 431 432 void SkApply::enableDynamic(SkAnimateMaker& maker) { 433 SkASSERT(mode != kMode_create); // create + dynamic are not currently compatible 434 SkDisplayable* newScope; 435 bool success = SkAnimatorScript::EvaluateDisplayable(maker, this, dynamicScope.c_str(), 436 &newScope); 437 if (success && scope != newScope) { 438 SkTDDrawableArray* pList, * gList; 439 SkGroup* pGroup = NULL, * found = NULL; 440 int old = maker.fDisplayList.findGroup(scope, &pList, &pGroup, &found, &gList); 441 if (pList && old >= 0 && (*pList)[old]->isApply() && (*pList)[old] != this) { 442 if (fAppended == false) { 443 if (found != NULL) { 444 SkDisplayable* oldChild = (*pList)[old]; 445 if (oldChild->isApply() && found->copySet(old)) { 446 found->markCopyClear(old); 447 // delete oldChild; 448 } 449 } 450 (*pList)[old] = scope; 451 } else 452 pList->remove(old); 453 } 454 scope = (SkDrawable*) newScope; 455 onEndElement(maker); 456 } 457 maker.removeActive(fActive); 458 delete fActive; 459 fActive = NULL; 460 } 461 462 void SkApply::endSave(int index) { 463 SkAnimateBase* animate = fActive->fAnimators[index]; 464 const SkMemberInfo* info = animate->fFieldInfo; 465 SkDisplayTypes type = (SkDisplayTypes) info->fType; 466 if (type == SkType_MemberFunction) 467 return; 468 SkDisplayable* target = getTarget(animate); 469 size_t size = info->getSize(target); 470 int count = (int) (size / sizeof(SkScalar)); 471 int activeIndex = fActive->fDrawIndex + index; 472 SkOperand* last = new SkOperand[count]; 473 SkAutoTDelete<SkOperand> autoLast(last); 474 if (type != SkType_MemberProperty) { 475 info->getValue(target, last, count); 476 SkOperand* saveOperand = fActive->fSaveRestore[activeIndex]; 477 if (saveOperand) 478 info->setValue(target, fActive->fSaveRestore[activeIndex], count); 479 } else { 480 SkScriptValue scriptValue; 481 bool success = target->getProperty(info->propertyIndex(), &scriptValue); 482 SkASSERT(success = true); 483 last[0] = scriptValue.fOperand; 484 scriptValue.fOperand = fActive->fSaveRestore[activeIndex][0]; 485 target->setProperty(info->propertyIndex(), scriptValue); 486 } 487 SkOperand* save = fActive->fSaveRestore[activeIndex]; 488 if (save) 489 memcpy(save, last, count * sizeof(SkOperand)); 490 } 491 492 bool SkApply::getProperty(int index, SkScriptValue* value) const { 493 switch (index) { 494 case SK_PROPERTY(step): 495 value->fType = SkType_Int; 496 value->fOperand.fS32 = fLastTime / SK_MSec1; 497 break; 498 case SK_PROPERTY(steps): 499 value->fType = SkType_Int; 500 value->fOperand.fS32 = steps; 501 break; 502 case SK_PROPERTY(time): 503 value->fType = SkType_MSec; 504 value->fOperand.fS32 = fLastTime; 505 break; 506 default: 507 // SkASSERT(0); 508 return false; 509 } 510 return true; 511 } 512 513 void SkApply::getStep(SkScriptValue* value) { 514 getProperty(SK_PROPERTY(step), value); 515 } 516 517 SkDrawable* SkApply::getTarget(SkAnimateBase* animate) { 518 if (animate->fTargetIsScope == false || mode != kMode_create) 519 return animate->fTarget; 520 return scope; 521 } 522 523 bool SkApply::hasDelayedAnimator() const { 524 SkAnimateBase** animEnd = fAnimators.end(); 525 for (SkAnimateBase** animPtr = fAnimators.begin(); animPtr < animEnd; animPtr++) { 526 SkAnimateBase* animator = *animPtr; 527 if (animator->fDelayed) 528 return true; 529 } 530 return false; 531 } 532 533 bool SkApply::hasEnable() const { 534 return true; 535 } 536 537 bool SkApply::inactivate(SkAnimateMaker& maker) { 538 if (fActive == NULL) 539 return false; 540 maker.removeActive(fActive); 541 delete fActive; 542 fActive = NULL; 543 return true; 544 } 545 546 #ifdef SK_DEBUG 547 SkMSec lastTime = (SkMSec) -1; 548 #endif 549 550 bool SkApply::interpolate(SkAnimateMaker& maker, SkMSec rawTime) { 551 if (fActive == NULL) 552 return false; 553 bool result = false; 554 #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING 555 SkMSec time = maker.getAppTime(); 556 if (lastTime == (SkMSec) -1) 557 lastTime = rawTime - 1; 558 if (fActive != NULL && 559 strcmp(id, "a3") == 0 && rawTime > lastTime) { 560 lastTime += 1000; 561 SkString debugOut; 562 debugOut.appendS32(time - maker.fDebugTimeBase); 563 debugOut.append(" apply id="); 564 debugOut.append(_id); 565 debugOut.append("; "); 566 debugOut.append(fActive->fAnimators[0]->_id); 567 debugOut.append("="); 568 debugOut.appendS32(rawTime - fActive->fState[0].fStartTime); 569 debugOut.append(")"); 570 SkDebugf("%s\n", debugOut.c_str()); 571 } 572 #endif 573 fActive->start(); 574 if (restore) 575 fActive->initializeSave(); 576 int animators = fActive->fAnimators.count(); 577 for (int inner = 0; inner < animators; inner++) { 578 SkAnimateBase* animate = fActive->fAnimators[inner]; 579 if (animate->fChanged) { 580 animate->fChanged = false; 581 animate->fStart = rawTime; 582 // SkTypedArray values; 583 // int count = animate->fValues.count(); 584 // values.setCount(count); 585 // memcpy(values.begin(), animate->fValues.begin(), sizeof(SkOperand) * count); 586 animate->onEndElement(maker); 587 // if (memcmp(values.begin(), animate->fValues.begin(), sizeof(SkOperand) * count) != 0) { 588 fActive->append(this); 589 fActive->start(); 590 // } 591 } 592 SkMSec time = fActive->getTime(rawTime, inner); 593 SkActive::SkState& state = fActive->fState[inner]; 594 if (SkMSec_LT(rawTime, state.fStartTime)) { 595 if (fEnabling) { 596 animate->fDelayed = true; 597 maker.delayEnable(this, state.fStartTime); 598 } 599 continue; 600 } else 601 animate->fDelayed = false; 602 SkMSec innerTime = fLastTime = state.getRelativeTime(time); 603 if (restore) 604 fActive->restoreInterpolatorValues(inner); 605 if (animate->fReset) { 606 if (transition != SkApply::kTransition_reverse) { 607 if (SkMSec_LT(state.fBegin + state.fDuration, innerTime)) { 608 if (animate->fResetPending) { 609 innerTime = 0; 610 animate->fResetPending = false; 611 } else 612 continue; 613 } 614 } else if (innerTime == 0) { 615 if (animate->fResetPending) { 616 innerTime = state.fBegin + state.fDuration; 617 animate->fResetPending = false; 618 } else 619 continue; 620 } 621 } 622 int count = animate->components(); 623 SkAutoSTMalloc<16, SkOperand> values(count); 624 SkInterpolatorBase::Result interpResult = fActive->fInterpolators[inner]->timeToValues( 625 innerTime, values.get()); 626 result |= (interpResult != SkInterpolatorBase::kFreezeEnd_Result); 627 if ((transition != SkApply::kTransition_reverse && interpResult == SkInterpolatorBase::kFreezeEnd_Result || 628 transition == SkApply::kTransition_reverse && fLastTime == 0) && state.fUnpostedEndEvent) { 629 // SkDEBUGF(("interpolate: post on end\n")); 630 state.fUnpostedEndEvent = false; 631 maker.postOnEnd(animate, state.fBegin + state.fDuration); 632 maker.fAdjustedStart = 0; // !!! left over from synchronizing animation days, undoubtably out of date (and broken) 633 } 634 if (animate->formula.size() > 0) { 635 if (fLastTime > animate->dur) 636 fLastTime = animate->dur; 637 SkTypedArray formulaValues; 638 formulaValues.setCount(count); 639 bool success = animate->fFieldInfo->setValue(maker, &formulaValues, 0, 0, NULL, 640 animate->getValuesType(), animate->formula); 641 SkASSERT(success); 642 if (restore) 643 save(inner); // save existing value 644 applyValues(inner, formulaValues.begin(), count, animate->getValuesType(), innerTime); 645 } else { 646 if (restore) 647 save(inner); // save existing value 648 applyValues(inner, values.get(), count, animate->getValuesType(), innerTime); 649 } 650 } 651 return result; 652 } 653 654 void SkApply::initialize() { 655 if (scope == NULL) 656 return; 657 if (scope->isApply() || scope->isDrawable() == false) 658 return; 659 scope->initialize(); 660 } 661 662 void SkApply::onEndElement(SkAnimateMaker& maker) 663 { 664 SkDrawable* scopePtr = scope; 665 while (scopePtr && scopePtr->isApply()) { 666 SkApply* scopedApply = (SkApply*) scopePtr; 667 if (scopedApply->scope == this) { 668 maker.setErrorCode(SkDisplayXMLParserError::kApplyScopesItself); 669 return; 670 } 671 scopePtr = scopedApply->scope; 672 } 673 if (mode == kMode_create) 674 return; 675 if (scope != NULL && steps >= 0 && scope->isApply() == false && scope->isDrawable()) 676 scope->setSteps(steps); 677 for (SkAnimateBase** animPtr = fAnimators.begin(); animPtr < fAnimators.end(); animPtr++) { 678 SkAnimateBase* anim = *animPtr; 679 //for reusing apply statements with dynamic scope 680 if (anim->fTarget == NULL || anim->fTargetIsScope) { 681 anim->fTargetIsScope = true; 682 if (scope) 683 anim->fTarget = scope; 684 else 685 anim->setTarget(maker); 686 anim->onEndElement(maker); // allows animate->fFieldInfo to be set 687 } 688 if (scope != NULL && steps >= 0 && anim->fTarget != scope && anim->fTarget->isDrawable()) 689 anim->fTarget->setSteps(steps); 690 } 691 } 692 693 const SkMemberInfo* SkApply::preferredChild(SkDisplayTypes type) { 694 SkASSERT(SkDisplayType::IsAnimate(type) == false); 695 fContainsScope = true; 696 return getMember("scope"); // !!! cwap! need to refer to member through enum like kScope instead 697 } 698 699 void SkApply::refresh(SkAnimateMaker& maker) { 700 for (SkAnimateBase** animPtr = fAnimators.begin(); animPtr < fAnimators.end(); animPtr++) { 701 SkAnimateBase* animate = *animPtr; 702 animate->onEndElement(maker); 703 } 704 if (fActive) 705 fActive->resetInterpolators(); 706 } 707 708 void SkApply::reset() { 709 if (fActive) 710 fActive->resetState(); 711 } 712 713 bool SkApply::resolveIDs(SkAnimateMaker& maker, SkDisplayable* original, SkApply* apply) { // replace to/formula strings in animators of the form xxx.step with the step value, if xxx.step is in scope 714 if (resolveField(maker, apply, &dynamicScope) == false) 715 return true; // failed 716 SkAnimateBase** endPtr = fAnimators.end(); 717 SkAnimateBase** origPtr = ((SkApply*) original)->fAnimators.begin(); 718 for (SkAnimateBase** animPtr = fAnimators.begin(); animPtr < endPtr; ) { 719 SkAnimateBase* animator = *animPtr++; 720 maker.resolveID(animator, *origPtr++); 721 if (resolveField(maker, this, &animator->target) == false) 722 return true; 723 if (resolveField(maker, this, &animator->from) == false) 724 return true; 725 if (resolveField(maker, this, &animator->to) == false) 726 return true; 727 if (resolveField(maker, this, &animator->formula) == false) 728 return true; 729 } 730 // setEmbedded(); 731 onEndElement(maker); 732 return false; // succeeded 733 } 734 735 bool SkApply::resolveField(SkAnimateMaker& maker, SkDisplayable* parent, SkString* str) { 736 const char* script = str->c_str(); 737 if (str->startsWith("#string:") == false) 738 return true; 739 script += sizeof("#string:") - 1; 740 return SkAnimatorScript::EvaluateString(maker, this, parent, script, str); 741 } 742 743 void SkApply::save(int index) { 744 SkAnimateBase* animate = fActive->fAnimators[index]; 745 const SkMemberInfo * info = animate->fFieldInfo; 746 SkDisplayable* target = getTarget(animate); 747 // if (animate->hasExecute()) 748 // info = animate->getResolvedInfo(); 749 SkDisplayTypes type = (SkDisplayTypes) info->fType; 750 if (type == SkType_MemberFunction) 751 return; // nothing to save 752 size_t size = info->getSize(target); 753 int count = (int) (size / sizeof(SkScalar)); 754 bool useLast = true; 755 // !!! this all may be unneeded, at least in the dynamic case ?? 756 int activeIndex = fActive->fDrawIndex + index; 757 SkTDOperandArray last; 758 if (fActive->fSaveRestore[activeIndex] == NULL) { 759 fActive->fSaveRestore[activeIndex] = new SkOperand[count]; 760 useLast = false; 761 } else { 762 last.setCount(count); 763 memcpy(last.begin(), fActive->fSaveRestore[activeIndex], count * sizeof(SkOperand)); 764 } 765 if (type != SkType_MemberProperty) { 766 info->getValue(target, fActive->fSaveRestore[activeIndex], count); 767 if (useLast) 768 info->setValue(target, last.begin(), count); 769 } else { 770 SkScriptValue scriptValue; 771 bool success = target->getProperty(info->propertyIndex(), &scriptValue); 772 SkASSERT(success == true); 773 SkASSERT(scriptValue.fType == SkType_Float); 774 fActive->fSaveRestore[activeIndex][0] = scriptValue.fOperand; 775 if (useLast) { 776 SkScriptValue scriptValue; 777 scriptValue.fType = type; 778 scriptValue.fOperand = last[0]; 779 target->setProperty(info->propertyIndex(), scriptValue); 780 } 781 } 782 // !!! end of unneeded 783 } 784 785 bool SkApply::setProperty(int index, SkScriptValue& scriptValue) { 786 switch (index) { 787 case SK_PROPERTY(animator): { 788 SkAnimateBase* animate = (SkAnimateBase*) scriptValue.fOperand.fDisplayable; 789 SkASSERT(animate->isAnimate()); 790 *fAnimators.append() = animate; 791 return true; 792 } 793 case SK_PROPERTY(steps): 794 steps = scriptValue.fOperand.fS32; 795 if (fActive) 796 fActive->setSteps(steps); 797 return true; 798 } 799 return false; 800 } 801 802 void SkApply::setSteps(int _steps) { 803 steps = _steps; 804 } 805 806 #ifdef SK_DEBUG 807 void SkApply::validate() { 808 if (fActive) 809 fActive->validate(); 810 } 811 #endif 812 813 814 815
