| |
| /* |
| * Copyright 2006 The Android Open Source Project |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| |
| #include "SkAnimateActive.h" |
| #include "SkAnimateBase.h" |
| #include "SkAnimateMaker.h" |
| #include "SkAnimateSet.h" |
| #include "SkDrawGroup.h" |
| #ifdef SK_DEBUG |
| #include "SkTime.h" |
| #endif |
| |
| // SkActive holds array of interpolators |
| |
| SkActive::SkActive(SkApply& apply, SkAnimateMaker& maker) : fApply(apply), |
| fMaxTime(0), fMaker(maker), fDrawIndex(0), fDrawMax(0) { |
| } |
| |
| void SkActive::init() |
| { |
| fAnimators = fApply.fAnimators; |
| int animators = fAnimators.count(); |
| fInterpolators.setCount(animators); |
| memset(fInterpolators.begin(), 0, animators * sizeof(SkOperandInterpolator*)); |
| fState.setCount(animators); |
| int index; |
| for (index = 0; index < animators; index++) |
| fInterpolators[index] = SkNEW(SkOperandInterpolator); |
| initState(&fApply, 0); |
| // for (index = 0; index < animators; index++) |
| // fState[index].bumpSave(); |
| SkASSERT(fInterpolators.count() == fAnimators.count()); |
| } |
| |
| SkActive::~SkActive() { |
| int index; |
| for (index = 0; index < fSaveRestore.count(); index++) |
| delete[] fSaveRestore[index]; |
| for (index = 0; index < fSaveInterpolators.count(); index++) |
| delete[] fSaveInterpolators[index]; |
| for (index = 0; index < fInterpolators.count(); index++) |
| delete fInterpolators[index]; |
| } |
| |
| void SkActive::advance() { |
| if (fDrawMax < fDrawIndex) |
| fDrawMax = fDrawIndex; |
| fDrawIndex += fAnimators.count(); |
| } |
| |
| void SkActive::append(SkApply* apply) { |
| int oldCount = fAnimators.count(); |
| SkTDAnimateArray& animates = apply->fAnimators; |
| int newCount = animates.count(); |
| int index; |
| int total = oldCount + newCount; |
| if (total == 0) |
| return; |
| fInterpolators.setCount(total); |
| memset(&fInterpolators.begin()[oldCount], 0, newCount * sizeof(SkOperandInterpolator*)); |
| for (index = oldCount; index < total; index++) |
| fInterpolators[index] = SkNEW(SkOperandInterpolator); |
| fAnimators.setCount(total); |
| memcpy(&fAnimators[oldCount], animates.begin(), sizeof(fAnimators[0]) * |
| newCount); |
| fState.setCount(total); |
| initState(apply, oldCount); |
| SkASSERT(fApply.scope == apply->scope); |
| for (index = 0; index < newCount; index++) { |
| SkAnimateBase* test = animates[index]; |
| // SkASSERT(fApply.scope == test->fTarget || fApply.scope->contains(test->fTarget)); |
| SkActive::SkState& testState = fState[oldCount + index]; |
| for (int inner = 0; inner < oldCount; inner++) { |
| SkAnimateBase* oldGuard = fAnimators[inner]; |
| SkActive::SkState& oldState = fState[inner]; |
| if (oldGuard->fTarget == test->fTarget && oldGuard->fFieldInfo == test->fFieldInfo && |
| testState.fBegin == oldState.fBegin) { |
| delete fInterpolators[inner]; |
| fInterpolators.remove(inner); |
| fAnimators.remove(inner); |
| testState.fSave = oldState.fSave; |
| if (oldState.fUnpostedEndEvent) { |
| // SkDEBUGF(("%8x %8x active append: post on end\n", this, oldGuard)); |
| fMaker.postOnEnd(oldGuard, oldState.fBegin + oldState.fDuration); |
| } |
| fState.remove(inner); |
| if (fApply.restore) { |
| int saveIndex = fSaveRestore.count(); |
| SkASSERT(fSaveInterpolators.count() == saveIndex); |
| saveIndex += inner; |
| do { |
| saveIndex -= oldCount; |
| delete[] fSaveRestore[saveIndex]; |
| fSaveRestore.remove(saveIndex); |
| delete[] fSaveInterpolators[saveIndex]; |
| fSaveInterpolators.remove(saveIndex); |
| } while (saveIndex > 0); |
| } |
| oldCount--; |
| break; |
| } |
| } |
| } |
| // total = oldCount + newCount; |
| // for (index = oldCount; index < total; index++) |
| // fState[index].bumpSave(); |
| SkASSERT(fInterpolators.count() == fAnimators.count()); |
| } |
| |
| void SkActive::appendSave(int oldCount) { |
| SkASSERT(fDrawMax == 0); // if true, we can optimize below quite a bit |
| int newCount = fAnimators.count(); |
| int saveIndex = fSaveRestore.count(); |
| SkASSERT(fSaveInterpolators.count() == saveIndex); |
| int records = saveIndex / oldCount; |
| int newTotal = records * newCount; |
| fSaveRestore.setCount(newTotal); |
| do { |
| saveIndex -= oldCount; |
| newTotal -= newCount; |
| SkASSERT(saveIndex >= 0); |
| SkASSERT(newTotal >= 0); |
| memmove(&fSaveRestore[newTotal], &fSaveRestore[saveIndex], oldCount); |
| memset(&fSaveRestore[newTotal + oldCount], 0, |
| sizeof(fSaveRestore[0]) * (newCount - oldCount)); |
| memmove(&fSaveInterpolators[newTotal], |
| &fSaveInterpolators[saveIndex], oldCount); |
| memset(&fSaveInterpolators[newTotal + oldCount], 0, |
| sizeof(fSaveRestore[0]) * (newCount - oldCount)); |
| } while (saveIndex > 0); |
| SkASSERT(newTotal == 0); |
| } |
| |
| void SkActive::calcDurations(int index) |
| { |
| SkAnimateBase* animate = fAnimators[index]; |
| SkMSec duration = animate->dur; |
| SkState& state = fState[index]; |
| switch (state.fMode) { |
| case SkApply::kMode_immediate: |
| case SkApply::kMode_create: |
| duration = state.fSteps ? state.fSteps * SK_MSec1 : 1; |
| break; |
| // case SkApply::kMode_hold: { |
| // int entries = animate->entries(); |
| // SkScriptValue value; |
| // value.fOperand = animate->getValues()[entries - 1]; |
| // value.fType = animate->getValuesType(); |
| // bool result = SkScriptEngine::ConvertTo(NULL, SkType_Int, &value); |
| // SkASSERT(result); |
| // duration = value.fOperand.fS32 * SK_MSec1; |
| // break; |
| // } |
| } |
| state.fDuration = duration; |
| SkMSec maxTime = state.fBegin + duration; |
| if (fMaxTime < maxTime) |
| fMaxTime = maxTime; |
| } |
| |
| void SkActive::create(SkDrawable* drawable, SkMSec time) { |
| fApply.fLastTime = time; |
| fApply.refresh(fMaker); |
| for (int index = 0; index < fAnimators.count(); index++) { |
| SkAnimateBase* animate = fAnimators[index]; |
| SkOperandInterpolator& interpolator = *fInterpolators[index]; |
| int count = animate->components(); |
| if (animate->formula.size() > 0) { |
| SkTDOperandArray values; |
| values.setCount(count); |
| bool success = animate->fFieldInfo->setValue(fMaker, &values, 0, 0, NULL, |
| animate->getValuesType(), animate->formula); |
| SkASSERT(success); |
| fApply.applyValues(index, values.begin(), count, animate->getValuesType(), time); |
| } else { |
| SkAutoSTMalloc<16, SkOperand> values(count); |
| interpolator.timeToValues(time, values.get()); |
| fApply.applyValues(index, values.get(), count, animate->getValuesType(), time); |
| } |
| } |
| drawable->enable(fMaker); |
| SkASSERT(fAnimators.count() == fInterpolators.count()); |
| } |
| |
| bool SkActive::immediate(bool enable) { |
| SkMSec time = 0; |
| bool result = false; |
| SkDrawable* drawable = fApply.scope; |
| SkMSec final = fMaxTime; |
| do { |
| bool applied = fAnimators.count() == 0; |
| fApply.fLastTime = time; |
| fApply.refresh(fMaker); |
| for (int index = 0; index < fAnimators.count(); index++) { |
| SkAnimateBase* animate = fAnimators[index]; |
| SkState& state = fState[index]; |
| if (state.fMode != SkApply::kMode_immediate) |
| continue; |
| if (state.fBegin > time) |
| continue; |
| if (time > state.fBegin + state.fDuration) |
| continue; |
| applied = true; |
| SkOperandInterpolator& interpolator = *fInterpolators[index]; |
| int count = animate->components(); |
| if (animate->formula.size() > 0) { |
| SkTDOperandArray values; |
| values.setCount(count); |
| bool success = animate->fFieldInfo->setValue(fMaker, &values, 0, 0, NULL, |
| animate->getValuesType(), animate->formula); |
| SkASSERT(success); |
| fApply.applyValues(index, values.begin(), count, animate->getValuesType(), time); |
| } else { |
| SkAutoSTMalloc<16, SkOperand> values(count); |
| interpolator.timeToValues(time, values.get()); |
| fApply.applyValues(index, values.get(), count, animate->getValuesType(), time); |
| } |
| } |
| if (enable) |
| drawable->enable(fMaker); |
| else if (applied) |
| result |= drawable->draw(fMaker); |
| time += SK_MSec1; |
| } while (time <= final); |
| return result; |
| } |
| |
| void SkActive::fixInterpolator(SkBool save) { |
| int animators = fAnimators.count(); |
| for (int index = 0; index < animators; index++) { |
| SkAnimateBase* animate = fAnimators[index]; |
| if (save) { // saved slots increased |
| animate->refresh(fMaker); |
| SkOperand* values = animate->getValues(); |
| setInterpolator(index, values); |
| saveInterpolatorValues(index); |
| } else |
| restoreInterpolatorValues(index); |
| } |
| } |
| |
| SkMSec SkActive::getTime(SkMSec inTime, int animatorIndex) { |
| fState[animatorIndex].fTicks = inTime; |
| return inTime - fState[animatorIndex].fStartTime; |
| } |
| |
| bool SkActive::initializeSave() { |
| int animators = fAnimators.count(); |
| int activeTotal = fDrawIndex + animators; |
| int oldCount = fSaveRestore.count(); |
| if (oldCount < activeTotal) { |
| fSaveRestore.setCount(activeTotal); |
| memset(&fSaveRestore[oldCount], 0, sizeof(fSaveRestore[0]) * (activeTotal - oldCount)); |
| SkASSERT(fSaveInterpolators.count() == oldCount); |
| fSaveInterpolators.setCount(activeTotal); |
| memset(&fSaveInterpolators[oldCount], 0, |
| sizeof(fSaveInterpolators[0]) * (activeTotal - oldCount)); |
| return true; |
| } |
| return false; |
| } |
| |
| void SkActive::initState(SkApply* apply, int offset) { |
| int count = fState.count(); |
| for (int index = offset; index < count; index++) { |
| SkState& state = fState[index]; |
| SkAnimateBase* animate = fAnimators[index]; |
| #if 0 // def SK_DEBUG |
| if (animate->fHasEndEvent) |
| SkDebugf("%8x %8x active initState:\n", this, animate); |
| #endif |
| SkOperand* from = animate->getValues(); |
| state.fStartTime = state.fBegin = apply->begin + animate->begin; |
| state.fMode = apply->mode; |
| state.fTransition = apply->transition; |
| #if 0 |
| state.fPickup = (SkBool8) apply->pickup; |
| #endif |
| state.fRestore = (SkBool8) apply->restore; |
| state.fSave = apply->begin; |
| state.fStarted = false; |
| state.fSteps = apply->steps; |
| state.fTicks = 0; |
| state.fUnpostedEndEvent = (SkBool8) animate->fHasEndEvent; |
| calcDurations(index); |
| setInterpolator(index, from); |
| } |
| if (count == 0 && (apply->mode == SkApply::kMode_immediate || apply->mode == SkApply::kMode_create)) |
| fMaxTime = apply->begin + apply->steps * SK_MSec1; |
| } |
| |
| void SkActive::pickUp(SkActive* existing) { |
| SkTDOperandArray existingValues; |
| for (int index = 0; index < fAnimators.count(); index++) { |
| SkAnimateBase* animate = fAnimators[index]; |
| SkASSERT(animate->getValuesType() == SkType_Float); |
| int components = animate->components(); |
| SkOperand* from = animate->getValues(); |
| SkOperand* to = &from[animate->components()]; |
| existingValues.setCount(components); |
| existing->fInterpolators[index]->timeToValues( |
| existing->fState[index].fTicks - existing->fState[index].fStartTime, existingValues.begin()); |
| SkScalar originalSum = 0; |
| SkScalar workingSum = 0; |
| for (int cIndex = 0; cIndex < components; cIndex++) { |
| SkScalar delta = to[cIndex].fScalar - from[cIndex].fScalar; |
| originalSum += SkScalarMul(delta, delta); |
| delta = to[cIndex].fScalar - existingValues[cIndex].fScalar; |
| workingSum += SkScalarMul(delta, delta); |
| } |
| if (workingSum < originalSum) { |
| SkScalar originalDistance = SkScalarSqrt(originalSum); |
| SkScalar workingDistance = SkScalarSqrt(workingSum); |
| existing->fState[index].fDuration = (SkMSec) SkScalarMulDiv(fState[index].fDuration, |
| workingDistance, originalDistance); |
| } |
| fInterpolators[index]->reset(components, 2, SkType_Float); |
| fInterpolators[index]->setKeyFrame(0, 0, existingValues.begin(), animate->blend[0]); |
| fInterpolators[index]->setKeyFrame(1, fState[index].fDuration, to, animate->blend[0]); |
| } |
| } |
| |
| void SkActive::resetInterpolators() { |
| int animators = fAnimators.count(); |
| for (int index = 0; index < animators; index++) { |
| SkAnimateBase* animate = fAnimators[index]; |
| SkOperand* values = animate->getValues(); |
| setInterpolator(index, values); |
| } |
| } |
| |
| void SkActive::resetState() { |
| fDrawIndex = 0; |
| int count = fState.count(); |
| for (int index = 0; index < count; index++) { |
| SkState& state = fState[index]; |
| SkAnimateBase* animate = fAnimators[index]; |
| #if 0 // def SK_DEBUG |
| if (animate->fHasEndEvent) |
| SkDebugf("%8x %8x active resetState: has end event\n", this, animate); |
| #endif |
| state.fStartTime = state.fBegin = fApply.begin + animate->begin; |
| state.fStarted = false; |
| state.fTicks = 0; |
| } |
| } |
| |
| void SkActive::restoreInterpolatorValues(int index) { |
| SkOperandInterpolator& interpolator = *fInterpolators[index]; |
| index += fDrawIndex ; |
| int count = interpolator.getValuesCount(); |
| memcpy(interpolator.getValues(), fSaveInterpolators[index], count * sizeof(SkOperand)); |
| } |
| |
| void SkActive::saveInterpolatorValues(int index) { |
| SkOperandInterpolator& interpolator = *fInterpolators[index]; |
| index += fDrawIndex ; |
| int count = interpolator.getValuesCount(); |
| SkOperand* cache = new SkOperand[count]; // this should use sk_malloc/sk_free since SkOperand does not have a constructor/destructor |
| fSaveInterpolators[index] = cache; |
| memcpy(cache, interpolator.getValues(), count * sizeof(SkOperand)); |
| } |
| |
| void SkActive::setInterpolator(int index, SkOperand* from) { |
| if (from == NULL) // legitimate for set string |
| return; |
| SkAnimateBase* animate = fAnimators[index]; |
| int entries = animate->entries(); |
| SkASSERT(entries > 0); |
| SkMSec duration = fState[index].fDuration; |
| int components = animate->components(); |
| SkOperandInterpolator& interpolator = *fInterpolators[index]; |
| interpolator.reset(components, entries == 1 ? 2 : entries, animate->getValuesType()); |
| interpolator.setMirror(SkToBool(animate->fMirror)); |
| interpolator.setReset(SkToBool(animate->fReset)); |
| interpolator.setRepeatCount(animate->repeat); |
| if (entries == 1) { |
| interpolator.setKeyFrame(0, 0, from, animate->blend[0]); |
| interpolator.setKeyFrame(1, duration, from, animate->blend[0]); |
| return; |
| } |
| for (int entry = 0; entry < entries; entry++) { |
| int blendIndex = SkMin32(animate->blend.count() - 1, entry); |
| interpolator.setKeyFrame(entry, entry * duration / (entries - 1), from, |
| animate->blend[blendIndex]); |
| from += components; |
| } |
| } |
| |
| void SkActive::setSteps(int steps) { |
| int count = fState.count(); |
| fMaxTime = 0; |
| for (int index = 0; index < count; index++) { |
| SkState& state = fState[index]; |
| state.fSteps = steps; |
| calcDurations(index); |
| } |
| } |
| |
| void SkActive::start() { |
| int count = fState.count(); |
| SkASSERT(count == fAnimators.count()); |
| SkASSERT(count == fInterpolators.count()); |
| for (int index = 0; index < count; index++) { |
| SkState& state = fState[index]; |
| if (state.fStarted) |
| continue; |
| state.fStarted = true; |
| #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING |
| SkString debugOut; |
| SkMSec time = fMaker.getAppTime(); |
| debugOut.appendS32(time - fMaker.fDebugTimeBase); |
| debugOut.append(" active start adjust delay id="); |
| debugOut.append(fApply._id); |
| debugOut.append("; "); |
| debugOut.append(fAnimators[index]->_id); |
| debugOut.append("="); |
| debugOut.appendS32(fAnimators[index]->fStart - fMaker.fDebugTimeBase); |
| debugOut.append(":"); |
| debugOut.appendS32(state.fStartTime); |
| #endif |
| if (state.fStartTime > 0) { |
| SkMSec future = fAnimators[index]->fStart + state.fStartTime; |
| if (future > fMaker.fEnableTime) |
| fMaker.notifyInvalTime(future); |
| else |
| fMaker.notifyInval(); |
| #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING |
| debugOut.append(":"); |
| debugOut.appendS32(future - fMaker.fDebugTimeBase); |
| #endif |
| } |
| if (state.fStartTime >= fMaker.fAdjustedStart) { |
| state.fStartTime -= fMaker.fAdjustedStart; |
| #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING |
| debugOut.append(" (less adjust = "); |
| debugOut.appendS32(fMaker.fAdjustedStart); |
| #endif |
| } |
| state.fStartTime += fAnimators[index]->fStart; |
| #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING |
| debugOut.append(") new start = "); |
| debugOut.appendS32(state.fStartTime - fMaker.fDebugTimeBase); |
| SkDebugf("%s\n", debugOut.c_str()); |
| // SkASSERT((int) (state.fStartTime - fMaker.fDebugTimeBase) >= 0); |
| #endif |
| } |
| SkASSERT(fAnimators.count() == fInterpolators.count()); |
| } |
| |
| #ifdef SK_DEBUG |
| void SkActive::validate() { |
| int count = fState.count(); |
| SkASSERT(count == fAnimators.count()); |
| SkASSERT(count == fInterpolators.count()); |
| for (int index = 0; index < count; index++) { |
| SkASSERT(fAnimators[index]); |
| SkASSERT(fInterpolators[index]); |
| // SkAnimateBase* test = fAnimators[index]; |
| // SkASSERT(fApply.scope == test->fTarget || fApply.scope->contains(test->fTarget)); |
| } |
| } |
| #endif |
| |
| // think about this |
| // there should only be one animate object, not two, to go up and down |
| // when the apply with reverse came into play, it needs to pick up the value |
| // of the existing animate object then remove it from the list |
| // the code below should only be bumping fSave, and there shouldn't be anything |
| // it needs to be synchronized with |
| |
| // however, if there are two animates both operating on the same field, then |
| // when one replaces the other, it may make sense to pick up the old value as a starting |
| // value for the new one somehow. |
| |
| //void SkActive::SkState::bumpSave() { |
| // if (fMode != SkApply::kMode_hold) |
| // return; |
| // if (fTransition == SkApply::kTransition_reverse) { |
| // if (fSave > 0) |
| // fSave -= SK_MSec1; |
| // } else if (fSave < fDuration) |
| // fSave += SK_MSec1; |
| //} |
| |
| SkMSec SkActive::SkState::getRelativeTime(SkMSec time) { |
| SkMSec result = time; |
| // if (fMode == SkApply::kMode_hold) |
| // result = fSave; |
| // else |
| if (fTransition == SkApply::kTransition_reverse) { |
| if (SkMSec_LT(fDuration, time)) |
| result = 0; |
| else |
| result = fDuration - time; |
| } |
| return result; |
| } |
| |
| |
