reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame^] | 1 | /* libs/graphics/animator/SkAnimateActive.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 "SkAnimateActive.h" |
| 19 | #include "SkAnimateBase.h" |
| 20 | #include "SkAnimateMaker.h" |
| 21 | #include "SkAnimateSet.h" |
| 22 | #include "SkDrawGroup.h" |
| 23 | #ifdef SK_DEBUG |
| 24 | #include "SkTime.h" |
| 25 | #endif |
| 26 | |
| 27 | // SkActive holds array of interpolators |
| 28 | |
| 29 | SkActive::SkActive(SkApply& apply, SkAnimateMaker& maker) : fApply(apply), |
| 30 | fMaxTime(0), fMaker(maker), fDrawIndex(0), fDrawMax(0) { |
| 31 | } |
| 32 | |
| 33 | void SkActive::init() |
| 34 | { |
| 35 | fAnimators = fApply.fAnimators; |
| 36 | int animators = fAnimators.count(); |
| 37 | fInterpolators.setCount(animators); |
| 38 | memset(fInterpolators.begin(), 0, animators * sizeof(SkOperandInterpolator*)); |
| 39 | fState.setCount(animators); |
| 40 | int index; |
| 41 | for (index = 0; index < animators; index++) |
| 42 | fInterpolators[index] = SkNEW(SkOperandInterpolator); |
| 43 | initState(&fApply, 0); |
| 44 | // for (index = 0; index < animators; index++) |
| 45 | // fState[index].bumpSave(); |
| 46 | SkASSERT(fInterpolators.count() == fAnimators.count()); |
| 47 | } |
| 48 | |
| 49 | SkActive::~SkActive() { |
| 50 | int index; |
| 51 | for (index = 0; index < fSaveRestore.count(); index++) |
| 52 | delete[] fSaveRestore[index]; |
| 53 | for (index = 0; index < fSaveInterpolators.count(); index++) |
| 54 | delete[] fSaveInterpolators[index]; |
| 55 | for (index = 0; index < fInterpolators.count(); index++) |
| 56 | delete fInterpolators[index]; |
| 57 | } |
| 58 | |
| 59 | void SkActive::advance() { |
| 60 | if (fDrawMax < fDrawIndex) |
| 61 | fDrawMax = fDrawIndex; |
| 62 | fDrawIndex += fAnimators.count(); |
| 63 | } |
| 64 | |
| 65 | void SkActive::append(SkApply* apply) { |
| 66 | int oldCount = fAnimators.count(); |
| 67 | SkTDAnimateArray& animates = apply->fAnimators; |
| 68 | int newCount = animates.count(); |
| 69 | int index; |
| 70 | int total = oldCount + newCount; |
| 71 | if (total == 0) |
| 72 | return; |
| 73 | fInterpolators.setCount(total); |
| 74 | memset(&fInterpolators.begin()[oldCount], 0, newCount * sizeof(SkOperandInterpolator*)); |
| 75 | for (index = oldCount; index < total; index++) |
| 76 | fInterpolators[index] = SkNEW(SkOperandInterpolator); |
| 77 | fAnimators.setCount(total); |
| 78 | memcpy(&fAnimators[oldCount], animates.begin(), sizeof(fAnimators[0]) * |
| 79 | newCount); |
| 80 | fState.setCount(total); |
| 81 | initState(apply, oldCount); |
| 82 | SkASSERT(fApply.scope == apply->scope); |
| 83 | for (index = 0; index < newCount; index++) { |
| 84 | SkAnimateBase* test = animates[index]; |
| 85 | // SkASSERT(fApply.scope == test->fTarget || fApply.scope->contains(test->fTarget)); |
| 86 | SkActive::SkState& testState = fState[oldCount + index]; |
| 87 | for (int inner = 0; inner < oldCount; inner++) { |
| 88 | SkAnimateBase* oldGuard = fAnimators[inner]; |
| 89 | SkActive::SkState& oldState = fState[inner]; |
| 90 | if (oldGuard->fTarget == test->fTarget && oldGuard->fFieldInfo == test->fFieldInfo && |
| 91 | testState.fBegin == oldState.fBegin) { |
| 92 | delete fInterpolators[inner]; |
| 93 | fInterpolators.remove(inner); |
| 94 | fAnimators.remove(inner); |
| 95 | testState.fSave = oldState.fSave; |
| 96 | if (oldState.fUnpostedEndEvent) { |
| 97 | // SkDEBUGF(("%8x %8x active append: post on end\n", this, oldGuard)); |
| 98 | fMaker.postOnEnd(oldGuard, oldState.fBegin + oldState.fDuration); |
| 99 | } |
| 100 | fState.remove(inner); |
| 101 | if (fApply.restore) { |
| 102 | int saveIndex = fSaveRestore.count(); |
| 103 | SkASSERT(fSaveInterpolators.count() == saveIndex); |
| 104 | saveIndex += inner; |
| 105 | do { |
| 106 | saveIndex -= oldCount; |
| 107 | delete[] fSaveRestore[saveIndex]; |
| 108 | fSaveRestore.remove(saveIndex); |
| 109 | delete[] fSaveInterpolators[saveIndex]; |
| 110 | fSaveInterpolators.remove(saveIndex); |
| 111 | } while (saveIndex > 0); |
| 112 | } |
| 113 | oldCount--; |
| 114 | break; |
| 115 | } |
| 116 | } |
| 117 | } |
| 118 | // total = oldCount + newCount; |
| 119 | // for (index = oldCount; index < total; index++) |
| 120 | // fState[index].bumpSave(); |
| 121 | SkASSERT(fInterpolators.count() == fAnimators.count()); |
| 122 | } |
| 123 | |
| 124 | void SkActive::appendSave(int oldCount) { |
| 125 | SkASSERT(fDrawMax == 0); // if true, we can optimize below quite a bit |
| 126 | int newCount = fAnimators.count(); |
| 127 | int saveIndex = fSaveRestore.count(); |
| 128 | SkASSERT(fSaveInterpolators.count() == saveIndex); |
| 129 | int records = saveIndex / oldCount; |
| 130 | int newTotal = records * newCount; |
| 131 | fSaveRestore.setCount(newTotal); |
| 132 | do { |
| 133 | saveIndex -= oldCount; |
| 134 | newTotal -= newCount; |
| 135 | SkASSERT(saveIndex >= 0); |
| 136 | SkASSERT(newTotal >= 0); |
| 137 | memmove(&fSaveRestore[newTotal], &fSaveRestore[saveIndex], oldCount); |
| 138 | memset(&fSaveRestore[newTotal + oldCount], 0, |
| 139 | sizeof(fSaveRestore[0]) * (newCount - oldCount)); |
| 140 | memmove(&fSaveInterpolators[newTotal], |
| 141 | &fSaveInterpolators[saveIndex], oldCount); |
| 142 | memset(&fSaveInterpolators[newTotal + oldCount], 0, |
| 143 | sizeof(fSaveRestore[0]) * (newCount - oldCount)); |
| 144 | } while (saveIndex > 0); |
| 145 | SkASSERT(newTotal == 0); |
| 146 | } |
| 147 | |
| 148 | void SkActive::calcDurations(int index) |
| 149 | { |
| 150 | SkAnimateBase* animate = fAnimators[index]; |
| 151 | SkMSec duration = animate->dur; |
| 152 | SkState& state = fState[index]; |
| 153 | if (state.fMode == SkApply::kMode_immediate || state.fMode == SkApply::kMode_create) |
| 154 | duration = state.fSteps ? state.fSteps * SK_MSec1 : 1; |
| 155 | // else if (state.fMode == SkApply::kMode_hold) { |
| 156 | // int entries = animate->entries(); |
| 157 | // SkScriptValue value; |
| 158 | // value.fOperand = animate->getValues()[entries - 1]; |
| 159 | // value.fType = animate->getValuesType(); |
| 160 | // bool result = SkScriptEngine::ConvertTo(NULL, SkType_Int, &value); |
| 161 | // SkASSERT(result); |
| 162 | // duration = value.fOperand.fS32 * SK_MSec1; |
| 163 | // } |
| 164 | state.fDuration = duration; |
| 165 | SkMSec maxTime = state.fBegin + duration; |
| 166 | if (fMaxTime < maxTime) |
| 167 | fMaxTime = maxTime; |
| 168 | } |
| 169 | |
| 170 | void SkActive::create(SkDrawable* drawable, SkMSec time) { |
| 171 | fApply.fLastTime = time; |
| 172 | fApply.refresh(fMaker); |
| 173 | for (int index = 0; index < fAnimators.count(); index++) { |
| 174 | SkAnimateBase* animate = fAnimators[index]; |
| 175 | SkOperandInterpolator& interpolator = *fInterpolators[index]; |
| 176 | int count = animate->components(); |
| 177 | if (animate->formula.size() > 0) { |
| 178 | SkTDOperandArray values; |
| 179 | values.setCount(count); |
| 180 | bool success = animate->fFieldInfo->setValue(fMaker, &values, 0, 0, NULL, |
| 181 | animate->getValuesType(), animate->formula); |
| 182 | SkASSERT(success); |
| 183 | fApply.applyValues(index, values.begin(), count, animate->getValuesType(), time); |
| 184 | } else { |
| 185 | SkAutoSTMalloc<16, SkOperand> values(count); |
| 186 | interpolator.timeToValues(time, values.get()); |
| 187 | fApply.applyValues(index, values.get(), count, animate->getValuesType(), time); |
| 188 | } |
| 189 | } |
| 190 | drawable->enable(fMaker); |
| 191 | SkASSERT(fAnimators.count() == fInterpolators.count()); |
| 192 | } |
| 193 | |
| 194 | bool SkActive::immediate(bool enable) { |
| 195 | SkMSec time = 0; |
| 196 | bool result = false; |
| 197 | SkDrawable* drawable = fApply.scope; |
| 198 | SkMSec final = fMaxTime; |
| 199 | do { |
| 200 | bool applied = fAnimators.count() == 0; |
| 201 | fApply.fLastTime = time; |
| 202 | fApply.refresh(fMaker); |
| 203 | for (int index = 0; index < fAnimators.count(); index++) { |
| 204 | SkAnimateBase* animate = fAnimators[index]; |
| 205 | SkState& state = fState[index]; |
| 206 | if (state.fMode != SkApply::kMode_immediate) |
| 207 | continue; |
| 208 | if (state.fBegin > time) |
| 209 | continue; |
| 210 | if (time > state.fBegin + state.fDuration) |
| 211 | continue; |
| 212 | applied = true; |
| 213 | SkOperandInterpolator& interpolator = *fInterpolators[index]; |
| 214 | int count = animate->components(); |
| 215 | if (animate->formula.size() > 0) { |
| 216 | SkTDOperandArray values; |
| 217 | values.setCount(count); |
| 218 | bool success = animate->fFieldInfo->setValue(fMaker, &values, 0, 0, NULL, |
| 219 | animate->getValuesType(), animate->formula); |
| 220 | SkASSERT(success); |
| 221 | fApply.applyValues(index, values.begin(), count, animate->getValuesType(), time); |
| 222 | } else { |
| 223 | SkAutoSTMalloc<16, SkOperand> values(count); |
| 224 | interpolator.timeToValues(time, values.get()); |
| 225 | fApply.applyValues(index, values.get(), count, animate->getValuesType(), time); |
| 226 | } |
| 227 | } |
| 228 | if (enable) |
| 229 | drawable->enable(fMaker); |
| 230 | else if (applied) |
| 231 | result |= drawable->draw(fMaker); |
| 232 | time += SK_MSec1; |
| 233 | } while (time <= final); |
| 234 | return result; |
| 235 | } |
| 236 | |
| 237 | void SkActive::fixInterpolator(SkBool save) { |
| 238 | int animators = fAnimators.count(); |
| 239 | for (int index = 0; index < animators; index++) { |
| 240 | SkAnimateBase* animate = fAnimators[index]; |
| 241 | if (save) { // saved slots increased |
| 242 | animate->refresh(fMaker); |
| 243 | SkOperand* values = animate->getValues(); |
| 244 | setInterpolator(index, values); |
| 245 | saveInterpolatorValues(index); |
| 246 | } else |
| 247 | restoreInterpolatorValues(index); |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | SkMSec SkActive::getTime(SkMSec inTime, int animatorIndex) { |
| 252 | fState[animatorIndex].fTicks = inTime; |
| 253 | return inTime - fState[animatorIndex].fStartTime; |
| 254 | } |
| 255 | |
| 256 | bool SkActive::initializeSave() { |
| 257 | int animators = fAnimators.count(); |
| 258 | int activeTotal = fDrawIndex + animators; |
| 259 | int oldCount = fSaveRestore.count(); |
| 260 | if (oldCount < activeTotal) { |
| 261 | fSaveRestore.setCount(activeTotal); |
| 262 | memset(&fSaveRestore[oldCount], 0, sizeof(fSaveRestore[0]) * (activeTotal - oldCount)); |
| 263 | SkASSERT(fSaveInterpolators.count() == oldCount); |
| 264 | fSaveInterpolators.setCount(activeTotal); |
| 265 | memset(&fSaveInterpolators[oldCount], 0, |
| 266 | sizeof(fSaveInterpolators[0]) * (activeTotal - oldCount)); |
| 267 | return true; |
| 268 | } |
| 269 | return false; |
| 270 | } |
| 271 | |
| 272 | void SkActive::initState(SkApply* apply, int offset) { |
| 273 | int count = fState.count(); |
| 274 | for (int index = offset; index < count; index++) { |
| 275 | SkState& state = fState[index]; |
| 276 | SkAnimateBase* animate = fAnimators[index]; |
| 277 | #if 0 // def SK_DEBUG |
| 278 | if (animate->fHasEndEvent) |
| 279 | SkDebugf("%8x %8x active initState:\n", this, animate); |
| 280 | #endif |
| 281 | SkOperand* from = animate->getValues(); |
| 282 | state.fStartTime = state.fBegin = apply->begin + animate->begin; |
| 283 | state.fMode = apply->mode; |
| 284 | state.fTransition = apply->transition; |
| 285 | #if 0 |
| 286 | state.fPickup = (SkBool8) apply->pickup; |
| 287 | #endif |
| 288 | state.fRestore = (SkBool8) apply->restore; |
| 289 | state.fSave = apply->begin; |
| 290 | state.fStarted = false; |
| 291 | state.fSteps = apply->steps; |
| 292 | state.fTicks = 0; |
| 293 | state.fUnpostedEndEvent = (SkBool8) animate->fHasEndEvent; |
| 294 | calcDurations(index); |
| 295 | setInterpolator(index, from); |
| 296 | } |
| 297 | if (count == 0 && (apply->mode == SkApply::kMode_immediate || apply->mode == SkApply::kMode_create)) |
| 298 | fMaxTime = apply->begin + apply->steps * SK_MSec1; |
| 299 | } |
| 300 | |
| 301 | void SkActive::pickUp(SkActive* existing) { |
| 302 | SkTDOperandArray existingValues; |
| 303 | for (int index = 0; index < fAnimators.count(); index++) { |
| 304 | SkAnimateBase* animate = fAnimators[index]; |
| 305 | SkASSERT(animate->getValuesType() == SkType_Float); |
| 306 | int components = animate->components(); |
| 307 | SkOperand* from = animate->getValues(); |
| 308 | SkOperand* to = &from[animate->components()]; |
| 309 | existingValues.setCount(components); |
| 310 | existing->fInterpolators[index]->timeToValues( |
| 311 | existing->fState[index].fTicks - existing->fState[index].fStartTime, existingValues.begin()); |
| 312 | SkScalar originalSum = 0; |
| 313 | SkScalar workingSum = 0; |
| 314 | for (int cIndex = 0; cIndex < components; cIndex++) { |
| 315 | SkScalar delta = to[cIndex].fScalar - from[cIndex].fScalar; |
| 316 | originalSum += SkScalarMul(delta, delta); |
| 317 | delta = to[cIndex].fScalar - existingValues[cIndex].fScalar; |
| 318 | workingSum += SkScalarMul(delta, delta); |
| 319 | } |
| 320 | if (workingSum < originalSum) { |
| 321 | SkScalar originalDistance = SkScalarSqrt(originalSum); |
| 322 | SkScalar workingDistance = SkScalarSqrt(workingSum); |
| 323 | existing->fState[index].fDuration = (SkMSec) SkScalarMulDiv(fState[index].fDuration, |
| 324 | workingDistance, originalDistance); |
| 325 | } |
| 326 | fInterpolators[index]->reset(components, 2, SkType_Float); |
| 327 | fInterpolators[index]->setKeyFrame(0, 0, existingValues.begin(), animate->blend[0]); |
| 328 | fInterpolators[index]->setKeyFrame(1, fState[index].fDuration, to, animate->blend[0]); |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | void SkActive::resetInterpolators() { |
| 333 | int animators = fAnimators.count(); |
| 334 | for (int index = 0; index < animators; index++) { |
| 335 | SkAnimateBase* animate = fAnimators[index]; |
| 336 | SkOperand* values = animate->getValues(); |
| 337 | setInterpolator(index, values); |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | void SkActive::resetState() { |
| 342 | fDrawIndex = 0; |
| 343 | int count = fState.count(); |
| 344 | for (int index = 0; index < count; index++) { |
| 345 | SkState& state = fState[index]; |
| 346 | SkAnimateBase* animate = fAnimators[index]; |
| 347 | #if 0 // def SK_DEBUG |
| 348 | if (animate->fHasEndEvent) |
| 349 | SkDebugf("%8x %8x active resetState: has end event\n", this, animate); |
| 350 | #endif |
| 351 | state.fStartTime = state.fBegin = fApply.begin + animate->begin; |
| 352 | state.fStarted = false; |
| 353 | state.fTicks = 0; |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | void SkActive::restoreInterpolatorValues(int index) { |
| 358 | SkOperandInterpolator& interpolator = *fInterpolators[index]; |
| 359 | index += fDrawIndex ; |
| 360 | int count = interpolator.getValuesCount(); |
| 361 | memcpy(interpolator.getValues(), fSaveInterpolators[index], count * sizeof(SkOperand)); |
| 362 | } |
| 363 | |
| 364 | void SkActive::saveInterpolatorValues(int index) { |
| 365 | SkOperandInterpolator& interpolator = *fInterpolators[index]; |
| 366 | index += fDrawIndex ; |
| 367 | int count = interpolator.getValuesCount(); |
| 368 | SkOperand* cache = new SkOperand[count]; // this should use sk_malloc/sk_free since SkOperand does not have a constructor/destructor |
| 369 | fSaveInterpolators[index] = cache; |
| 370 | memcpy(cache, interpolator.getValues(), count * sizeof(SkOperand)); |
| 371 | } |
| 372 | |
| 373 | void SkActive::setInterpolator(int index, SkOperand* from) { |
| 374 | if (from == NULL) // legitimate for set string |
| 375 | return; |
| 376 | SkAnimateBase* animate = fAnimators[index]; |
| 377 | int entries = animate->entries(); |
| 378 | SkASSERT(entries > 0); |
| 379 | SkMSec duration = fState[index].fDuration; |
| 380 | int components = animate->components(); |
| 381 | SkOperandInterpolator& interpolator = *fInterpolators[index]; |
| 382 | interpolator.reset(components, entries == 1 ? 2 : entries, animate->getValuesType()); |
| 383 | interpolator.setMirror(SkToBool(animate->fMirror)); |
| 384 | interpolator.setReset(SkToBool(animate->fReset)); |
| 385 | interpolator.setRepeatCount(animate->repeat); |
| 386 | if (entries == 1) { |
| 387 | interpolator.setKeyFrame(0, 0, from, animate->blend[0]); |
| 388 | interpolator.setKeyFrame(1, duration, from, animate->blend[0]); |
| 389 | return; |
| 390 | } |
| 391 | for (int entry = 0; entry < entries; entry++) { |
| 392 | int blendIndex = SkMin32(animate->blend.count() - 1, entry); |
| 393 | interpolator.setKeyFrame(entry, entry * duration / (entries - 1), from, |
| 394 | animate->blend[blendIndex]); |
| 395 | from += components; |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | void SkActive::setSteps(int steps) { |
| 400 | int count = fState.count(); |
| 401 | fMaxTime = 0; |
| 402 | for (int index = 0; index < count; index++) { |
| 403 | SkState& state = fState[index]; |
| 404 | state.fSteps = steps; |
| 405 | calcDurations(index); |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | void SkActive::start() { |
| 410 | int count = fState.count(); |
| 411 | SkASSERT(count == fAnimators.count()); |
| 412 | SkASSERT(count == fInterpolators.count()); |
| 413 | for (int index = 0; index < count; index++) { |
| 414 | SkState& state = fState[index]; |
| 415 | if (state.fStarted) |
| 416 | continue; |
| 417 | state.fStarted = true; |
| 418 | #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING |
| 419 | SkString debugOut; |
| 420 | SkMSec time = fMaker.getAppTime(); |
| 421 | debugOut.appendS32(time - fMaker.fDebugTimeBase); |
| 422 | debugOut.append(" active start adjust delay id="); |
| 423 | debugOut.append(fApply._id); |
| 424 | debugOut.append("; "); |
| 425 | debugOut.append(fAnimators[index]->_id); |
| 426 | debugOut.append("="); |
| 427 | debugOut.appendS32(fAnimators[index]->fStart - fMaker.fDebugTimeBase); |
| 428 | debugOut.append(":"); |
| 429 | debugOut.appendS32(state.fStartTime); |
| 430 | #endif |
| 431 | if (state.fStartTime > 0) { |
| 432 | SkMSec future = fAnimators[index]->fStart + state.fStartTime; |
| 433 | if (future > fMaker.fEnableTime) |
| 434 | fMaker.notifyInvalTime(future); |
| 435 | else |
| 436 | fMaker.notifyInval(); |
| 437 | #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING |
| 438 | debugOut.append(":"); |
| 439 | debugOut.appendS32(future - fMaker.fDebugTimeBase); |
| 440 | #endif |
| 441 | } |
| 442 | if (state.fStartTime >= fMaker.fAdjustedStart) { |
| 443 | state.fStartTime -= fMaker.fAdjustedStart; |
| 444 | #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING |
| 445 | debugOut.append(" (less adjust = "); |
| 446 | debugOut.appendS32(fMaker.fAdjustedStart); |
| 447 | #endif |
| 448 | } |
| 449 | state.fStartTime += fAnimators[index]->fStart; |
| 450 | #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING |
| 451 | debugOut.append(") new start = "); |
| 452 | debugOut.appendS32(state.fStartTime - fMaker.fDebugTimeBase); |
| 453 | SkDebugf("%s\n", debugOut.c_str()); |
| 454 | // SkASSERT((int) (state.fStartTime - fMaker.fDebugTimeBase) >= 0); |
| 455 | #endif |
| 456 | } |
| 457 | SkASSERT(fAnimators.count() == fInterpolators.count()); |
| 458 | } |
| 459 | |
| 460 | #ifdef SK_DEBUG |
| 461 | void SkActive::validate() { |
| 462 | int count = fState.count(); |
| 463 | SkASSERT(count == fAnimators.count()); |
| 464 | SkASSERT(count == fInterpolators.count()); |
| 465 | for (int index = 0; index < count; index++) { |
| 466 | SkASSERT(fAnimators[index]); |
| 467 | SkASSERT(fInterpolators[index]); |
| 468 | // SkAnimateBase* test = fAnimators[index]; |
| 469 | // SkASSERT(fApply.scope == test->fTarget || fApply.scope->contains(test->fTarget)); |
| 470 | } |
| 471 | } |
| 472 | #endif |
| 473 | |
| 474 | // think about this |
| 475 | // there should only be one animate object, not two, to go up and down |
| 476 | // when the apply with reverse came into play, it needs to pick up the value |
| 477 | // of the existing animate object then remove it from the list |
| 478 | // the code below should only be bumping fSave, and there shouldn't be anything |
| 479 | // it needs to be synchronized with |
| 480 | |
| 481 | // however, if there are two animates both operating on the same field, then |
| 482 | // when one replaces the other, it may make sense to pick up the old value as a starting |
| 483 | // value for the new one somehow. |
| 484 | |
| 485 | //void SkActive::SkState::bumpSave() { |
| 486 | // if (fMode != SkApply::kMode_hold) |
| 487 | // return; |
| 488 | // if (fTransition == SkApply::kTransition_reverse) { |
| 489 | // if (fSave > 0) |
| 490 | // fSave -= SK_MSec1; |
| 491 | // } else if (fSave < fDuration) |
| 492 | // fSave += SK_MSec1; |
| 493 | //} |
| 494 | |
| 495 | SkMSec SkActive::SkState::getRelativeTime(SkMSec time) { |
| 496 | SkMSec result = time; |
| 497 | // if (fMode == SkApply::kMode_hold) |
| 498 | // result = fSave; |
| 499 | // else |
| 500 | if (fTransition == SkApply::kTransition_reverse) { |
| 501 | if (SkMSec_LT(fDuration, time)) |
| 502 | result = 0; |
| 503 | else |
| 504 | result = fDuration - time; |
| 505 | } |
| 506 | return result; |
| 507 | } |
| 508 | |
| 509 | |