Remove the remainder of the skia source code from the Chromium repo....

skia/animator/SkAnimateActive.cpp

Index: skia/animator/SkAnimateActive.cpp
===================================================================
--- skia/animator/SkAnimateActive.cpp	(revision 16859)
+++ skia/animator/SkAnimateActive.cpp	(working copy)
@@ -1,509 +0,0 @@
-/* libs/graphics/animator/SkAnimateActive.cpp
-**
-** Copyright 2006, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
-**
-**     http://www.apache.org/licenses/LICENSE-2.0 
-**
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
-** limitations under the License.
-*/
-
-#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];
-    if (state.fMode == SkApply::kMode_immediate || state.fMode == SkApply::kMode_create)
-        duration = state.fSteps ? state.fSteps * SK_MSec1 : 1;
-//  else if (state.fMode == 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;
-//  }
-    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;
-}
-
-