/*
* 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 "SkDisplayApply.h"
#include "SkAnimateActive.h"
#include "SkAnimateMaker.h"
#include "SkAnimateSet.h"
#include "SkAnimatorScript.h"
#include "SkDisplayType.h"
#include "SkDrawGroup.h"
#include "SkParse.h"
#include "SkScript.h"
#include "SkSystemEventTypes.h"
#ifdef SK_DEBUG
#include "SkTime.h"
#endif
#include <ctype.h>
enum SkApply_Properties {
SK_PROPERTY(animator),
SK_PROPERTY(step),
SK_PROPERTY(steps),
SK_PROPERTY(time)
};
#if SK_USE_CONDENSED_INFO == 0
// if no attibutes, enclosed displayable is both scope & target
// only if both scope & target are specified, or if target and enclosed displayable, are scope and target different
const SkMemberInfo SkApply::fInfo[] = {
SK_MEMBER_PROPERTY(animator, Animate),
SK_MEMBER(begin, MSec),
SK_MEMBER(dontDraw, Boolean),
SK_MEMBER(dynamicScope, String),
SK_MEMBER(interval, MSec), // recommended redraw interval
SK_MEMBER(mode, ApplyMode),
#if 0
SK_MEMBER(pickup, Boolean),
#endif
SK_MEMBER(restore, Boolean),
SK_MEMBER(scope, Drawable), // thing that scopes animation (unnamed enclosed displayable goes here)
SK_MEMBER_PROPERTY(step, Int),
SK_MEMBER_PROPERTY(steps, Int),
SK_MEMBER_PROPERTY(time, MSec),
SK_MEMBER(transition, ApplyTransition)
};
#endif
DEFINE_GET_MEMBER(SkApply);
SkApply::SkApply() : begin(0), dontDraw(false), interval((SkMSec) -1), mode((Mode) -1), /*pickup(false), */
restore(false), scope(NULL), steps(-1), transition((Transition) -1), fActive(NULL), /*fCurrentScope(NULL),*/
fLastTime(0), fAppended(false), fContainsScope(false), fDeleteScope(false), fEmbedded(false),
fEnabled(false), fEnabling(false) {
}
SkApply::~SkApply() {
for (SkDrawable** curPtr = fScopes.begin(); curPtr < fScopes.end(); curPtr++)
delete *curPtr;
if (fDeleteScope)
delete scope;
// !!! caller must call maker.removeActive(fActive)
delete fActive;
}
void SkApply::activate(SkAnimateMaker& maker) {
if (fActive != NULL) {
if (fActive->fDrawIndex == 0 && fActive->fDrawMax == 0)
return; // if only one use, nothing more to do
if (restore == false)
return; // all share same state, regardless of instance number
bool save = fActive->initializeSave();
fActive->fixInterpolator(save);
} else {
fActive = new SkActive(*this, maker);
fActive->init();
maker.appendActive(fActive);
if (restore) {
fActive->initializeSave();
int animators = fAnimators.count();
for (int index = 0; index < animators; index++)
fActive->saveInterpolatorValues(index);
}
}
}
void SkApply::append(SkApply* apply) {
if (fActive == NULL)
return;
int oldCount = fActive->fAnimators.count();
fActive->append(apply);
if (restore) {
fActive->appendSave(oldCount);
int newCount = fActive->fAnimators.count();
for (int index = oldCount; index < newCount; index++)
fActive->saveInterpolatorValues(index);
}
}
void SkApply::applyValues(int animatorIndex, SkOperand* values, int count,
SkDisplayTypes valuesType, SkMSec time)
{
SkAnimateBase* animator = fActive->fAnimators[animatorIndex];
const SkMemberInfo * info = animator->fFieldInfo;
SkASSERT(animator);
SkASSERT(info != NULL);
SkDisplayTypes type = (SkDisplayTypes) info->fType;
SkDisplayable* target = getTarget(animator);
if (animator->hasExecute() || type == SkType_MemberFunction || type == SkType_MemberProperty) {
SkDisplayable* executor = animator->hasExecute() ? animator : target;
if (type != SkType_MemberProperty) {
SkTDArray<SkScriptValue> typedValues;
for (int index = 0; index < count; index++) {
SkScriptValue temp;
temp.fType = valuesType;
temp.fOperand = values[index];
*typedValues.append() = temp;
}
executor->executeFunction(target, info->functionIndex(), typedValues, info->getType(), NULL);
} else {
SkScriptValue scriptValue;
scriptValue.fOperand = values[0];
scriptValue.fType = info->getType();
target->setProperty(info->propertyIndex(), scriptValue);
}
} else {
SkTypedArray converted;
if (type == SkType_ARGB) {
if (count == 4) {
// !!! assert that it is SkType_Float ?
animator->packARGB(&values->fScalar, count, &converted);
values = converted.begin();
count = converted.count();
} else {
SkASSERT(count == 1);
}
}
// SkASSERT(type == SkType_ARGB || type == SkType_String ||info->isSettable());
if (type == SkType_String || type == SkType_DynamicString)
info->setString(target, values->fString);
else if (type == SkType_Drawable || type == SkType_Displayable)
target->setReference(info, values->fDisplayable);
else
info->setValue(target, values, count);
}
}
bool SkApply::contains(SkDisplayable* child) {
for (SkDrawable** curPtr = fScopes.begin(); curPtr < fScopes.end(); curPtr++) {
if (*curPtr == child || (*curPtr)->contains(child))
return true;
}
return fDeleteScope && scope == child;
}
SkDisplayable* SkApply::deepCopy(SkAnimateMaker* maker) {
SkDrawable* saveScope = scope;
scope = NULL;
SkApply* result = (SkApply*) INHERITED::deepCopy(maker);
result->scope = scope = saveScope;
SkAnimateBase** end = fAnimators.end();
for (SkAnimateBase** animPtr = fAnimators.begin(); animPtr < end; animPtr++) {
SkAnimateBase* anim = (SkAnimateBase*) (*animPtr)->deepCopy(maker);
*result->fAnimators.append() = anim;
maker->helperAdd(anim);
}
return result;
}
void SkApply::disable() {
//!!! this is the right thing to do, but has bad side effects because of other problems
// currently, if an apply is in a g and scopes a statement in another g, it ends up as members
// of both containers. The disabling here incorrectly disables both instances
// maybe the fEnabled flag needs to be moved to the fActive data so that both
// instances are not affected.
// fEnabled = false;
}
bool SkApply::draw(SkAnimateMaker& maker) {
if (scope ==NULL)
return false;
if (scope->isApply() || scope->isDrawable() == false)
return false;
if (fEnabled == false)
enable(maker);
SkASSERT(scope);
activate(maker);
if (mode == kMode_immediate)
return fActive->draw();
bool result = interpolate(maker, maker.getInTime());
if (dontDraw == false) {
// if (scope->isDrawable())
result |= scope->draw(maker);
}
if (restore) {
for (int index = 0; index < fActive->fAnimators.count(); index++)
endSave(index);
fActive->advance();
}
return result;
}
#ifdef SK_DUMP_ENABLED
void SkApply::dump(SkAnimateMaker* maker) {
dumpBase(maker);
if (dynamicScope.isEmpty() == false)
SkDebugf("dynamicScope=\"%s\" ", dynamicScope.c_str());
if (dontDraw)
SkDebugf("dontDraw=\"true\" ");
if (begin != 0) //perhaps we want this no matter what?
SkDebugf("begin=\"%g\" ", (float) begin/1000.0f); //is this correct?
if (interval != (SkMSec) -1)
SkDebugf("interval=\"%g\" ", (float) interval/1000.0f);
if (steps != -1)
SkDebugf("steps=\"%d\" ", steps);
if (restore)
SkDebugf("restore=\"true\" ");
if (transition == kTransition_reverse)
SkDebugf("transition=\"reverse\" ");
if (mode == kMode_immediate) {
SkDebugf("mode=\"immediate\" ");
}
else if (mode == kMode_create) {
SkDebugf("mode=\"create\" ");
}
bool closedYet = false;
SkDisplayList::fIndent += 4;
int save = SkDisplayList::fDumpIndex;
if (scope) {
if (closedYet == false) {
SkDebugf(">\n");
closedYet = true;
}
scope->dump(maker);
}
int index;
// if (fActive) {
for (index = 0; index < fAnimators.count(); index++) {
if (closedYet == false) {
SkDebugf(">\n");
closedYet = true;
}
SkAnimateBase* animator = fAnimators[index];
animator->dump(maker);
// }
}
SkDisplayList::fIndent -= 4;
SkDisplayList::fDumpIndex = save;
if (closedYet)
dumpEnd(maker);
else
SkDebugf("/>\n");
}
#endif
bool SkApply::enable(SkAnimateMaker& maker) {
fEnabled = true;
bool initialized = fActive != NULL;
if (dynamicScope.size() > 0)
enableDynamic(maker);
if (maker.fError.hasError())
return false;
int animators = fAnimators.count();
int index;
for (index = 0; index < animators; index++) {
SkAnimateBase* animator = fAnimators[index];
animator->fStart = maker.fEnableTime;
animator->fResetPending = animator->fReset;
}
if (scope && scope->isApply())
((SkApply*) scope)->setEmbedded();
/* if (mode == kMode_once) {
if (scope) {
activate(maker);
interpolate(maker, maker.fEnableTime);
inactivate(maker);
}
return true;
}*/
if ((mode == kMode_immediate || mode == kMode_create) && scope == NULL)
return false; // !!! error?
bool enableMe = scope && (scope->hasEnable() || scope->isApply() || scope->isDrawable() == false);
if ((mode == kMode_immediate && enableMe) || mode == kMode_create)
activate(maker); // for non-drawables like post, prime them here
if (mode == kMode_immediate && enableMe)
fActive->enable();
if (mode == kMode_create && scope != NULL) {
enableCreate(maker);
return true;
}
if (mode == kMode_immediate) {
return scope->isApply() || scope->isDrawable() == false;
}
refresh(maker);
SkDisplayList& displayList = maker.fDisplayList;
SkDrawable* drawable;
#if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING
SkString debugOut;
SkMSec time = maker.getAppTime();
debugOut.appendS32(time - maker.fDebugTimeBase);
debugOut.append(" apply enable id=");
debugOut.append(_id);
debugOut.append("; start=");
debugOut.appendS32(maker.fEnableTime - maker.fDebugTimeBase);
SkDebugf("%s\n", debugOut.c_str());
#endif
if (scope == NULL || scope->isApply() || scope->getType() == SkType_Movie || scope->isDrawable() == false) {
activate(maker); // for non-drawables like post, prime them here
if (initialized) {
append(this);
}
fEnabling = true;
interpolate(maker, maker.fEnableTime);
fEnabling = false;
if (scope != NULL && dontDraw == false)
scope->enable(maker);
return true;
} else if (initialized && restore == false)
append(this);
#if 0
bool wasActive = inactivate(maker); // start fresh
if (wasActive) {
activate(maker);
interpolate(maker, maker.fEnableTime);
return true;
}
#endif
// start here;
// now that one apply might embed another, only the parent apply should replace the scope
// or get appended to the display list
// similarly, an apply added by an add immediate has already been located in the display list
// and should not get moved or added again here
if (fEmbedded) {
return false; // already added to display list by embedder
}
drawable = (SkDrawable*) scope;
SkTDDrawableArray* parentList;
SkTDDrawableArray* grandList;
SkGroup* parentGroup;
SkGroup* thisGroup;
int old = displayList.findGroup(drawable, &parentList, &parentGroup, &thisGroup, &grandList);
if (old < 0)
goto append;
else if (fContainsScope) {
if ((*parentList)[old] != this || restore) {
append:
if (parentGroup)
parentGroup->markCopySize(old);
if (parentList->count() < 10000) {
fAppended = true;
*parentList->append() = this;
} else
maker.setErrorCode(SkDisplayXMLParserError::kDisplayTreeTooDeep);
old = -1;
} else
reset();
} else {
SkASSERT(old < parentList->count());
if ((*parentList)[old]->isApply()) {
SkApply* apply = (SkApply*) (*parentList)[old];
if (apply != this && apply->fActive == NULL)
apply->activate(maker);
apply->append(this);
parentGroup = NULL;
} else {
if (parentGroup)
parentGroup->markCopySize(old);
SkDrawable** newApplyLocation = &(*parentList)[old];
SkGroup* pGroup;
int oldApply = displayList.findGroup(this, &parentList, &pGroup, &thisGroup, &grandList);
if (oldApply >= 0) {
(*parentList)[oldApply] = (SkDrawable*) SkDisplayType::CreateInstance(&maker, SkType_Apply);
parentGroup = NULL;
fDeleteScope = true;
}
*newApplyLocation = this;
}
}
if (parentGroup) {
parentGroup->markCopySet(old);
fDeleteScope = dynamicScope.size() == 0;
}
return true;
}
void SkApply::enableCreate(SkAnimateMaker& maker) {
SkString newID;
for (int step = 0; step <= steps; step++) {
fLastTime = step * SK_MSec1;
bool success = maker.computeID(scope, this, &newID);
if (success == false)
return;
if (maker.find(newID.c_str(), NULL))
continue;
SkApply* copy = (SkApply*) deepCopy(&maker); // work on copy of animator state
if (mode == kMode_create)
copy->mode = (Mode) -1;
SkDrawable* copyScope = copy->scope = (SkDrawable*) scope->deepCopy(&maker);
*fScopes.append() = copyScope;
if (copyScope->resolveIDs(maker, scope, this)) {
step = steps; // quit
goto next; // resolveIDs failed
}
if (newID.size() > 0)
maker.setID(copyScope, newID);
if (copy->resolveIDs(maker, this, this)) { // fix up all fields, including target
step = steps; // quit
goto next; // resolveIDs failed
}
copy->activate(maker);
copy->interpolate(maker, step * SK_MSec1);
maker.removeActive(copy->fActive);
next:
delete copy;
}
}
void SkApply::enableDynamic(SkAnimateMaker& maker) {
SkASSERT(mode != kMode_create); // create + dynamic are not currently compatible
SkDisplayable* newScope;
bool success = SkAnimatorScript::EvaluateDisplayable(maker, this, dynamicScope.c_str(),
&newScope);
if (success && scope != newScope) {
SkTDDrawableArray* pList, * gList;
SkGroup* pGroup = NULL, * found = NULL;
int old = maker.fDisplayList.findGroup(scope, &pList, &pGroup, &found, &gList);
if (pList && old >= 0 && (*pList)[old]->isApply() && (*pList)[old] != this) {
if (fAppended == false) {
if (found != NULL) {
SkDisplayable* oldChild = (*pList)[old];
if (oldChild->isApply() && found->copySet(old)) {
found->markCopyClear(old);
// delete oldChild;
}
}
(*pList)[old] = scope;
} else
pList->remove(old);
}
scope = (SkDrawable*) newScope;
onEndElement(maker);
}
maker.removeActive(fActive);
delete fActive;
fActive = NULL;
}
void SkApply::endSave(int index) {
SkAnimateBase* animate = fActive->fAnimators[index];
const SkMemberInfo* info = animate->fFieldInfo;
SkDisplayTypes type = (SkDisplayTypes) info->fType;
if (type == SkType_MemberFunction)
return;
SkDisplayable* target = getTarget(animate);
size_t size = info->getSize(target);
int count = (int) (size / sizeof(SkScalar));
int activeIndex = fActive->fDrawIndex + index;
SkOperand* last = new SkOperand[count];
SkAutoTDelete<SkOperand> autoLast(last);
if (type != SkType_MemberProperty) {
info->getValue(target, last, count);
SkOperand* saveOperand = fActive->fSaveRestore[activeIndex];
if (saveOperand)
info->setValue(target, fActive->fSaveRestore[activeIndex], count);
} else {
SkScriptValue scriptValue;
SkDEBUGCODE(bool success = ) target->getProperty(info->propertyIndex(), &scriptValue);
SkASSERT(success == true);
last[0] = scriptValue.fOperand;
scriptValue.fOperand = fActive->fSaveRestore[activeIndex][0];
target->setProperty(info->propertyIndex(), scriptValue);
}
SkOperand* save = fActive->fSaveRestore[activeIndex];
if (save)
memcpy(save, last, count * sizeof(SkOperand));
}
bool SkApply::getProperty(int index, SkScriptValue* value) const {
switch (index) {
case SK_PROPERTY(step):
value->fType = SkType_Int;
value->fOperand.fS32 = fLastTime / SK_MSec1;
break;
case SK_PROPERTY(steps):
value->fType = SkType_Int;
value->fOperand.fS32 = steps;
break;
case SK_PROPERTY(time):
value->fType = SkType_MSec;
value->fOperand.fS32 = fLastTime;
break;
default:
// SkASSERT(0);
return false;
}
return true;
}
void SkApply::getStep(SkScriptValue* value) {
getProperty(SK_PROPERTY(step), value);
}
SkDrawable* SkApply::getTarget(SkAnimateBase* animate) {
if (animate->fTargetIsScope == false || mode != kMode_create)
return animate->fTarget;
return scope;
}
bool SkApply::hasDelayedAnimator() const {
SkAnimateBase** animEnd = fAnimators.end();
for (SkAnimateBase** animPtr = fAnimators.begin(); animPtr < animEnd; animPtr++) {
SkAnimateBase* animator = *animPtr;
if (animator->fDelayed)
return true;
}
return false;
}
bool SkApply::hasEnable() const {
return true;
}
bool SkApply::inactivate(SkAnimateMaker& maker) {
if (fActive == NULL)
return false;
maker.removeActive(fActive);
delete fActive;
fActive = NULL;
return true;
}
#ifdef SK_DEBUG
SkMSec lastTime = (SkMSec) -1;
#endif
bool SkApply::interpolate(SkAnimateMaker& maker, SkMSec rawTime) {
if (fActive == NULL)
return false;
bool result = false;
#if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING
SkMSec time = maker.getAppTime();
if (lastTime == (SkMSec) -1)
lastTime = rawTime - 1;
if (fActive != NULL &&
strcmp(id, "a3") == 0 && rawTime > lastTime) {
lastTime += 1000;
SkString debugOut;
debugOut.appendS32(time - maker.fDebugTimeBase);
debugOut.append(" apply id=");
debugOut.append(_id);
debugOut.append("; ");
debugOut.append(fActive->fAnimators[0]->_id);
debugOut.append("=");
debugOut.appendS32(rawTime - fActive->fState[0].fStartTime);
debugOut.append(")");
SkDebugf("%s\n", debugOut.c_str());
}
#endif
fActive->start();
if (restore)
fActive->initializeSave();
int animators = fActive->fAnimators.count();
for (int inner = 0; inner < animators; inner++) {
SkAnimateBase* animate = fActive->fAnimators[inner];
if (animate->fChanged) {
animate->fChanged = false;
animate->fStart = rawTime;
// SkTypedArray values;
// int count = animate->fValues.count();
// values.setCount(count);
// memcpy(values.begin(), animate->fValues.begin(), sizeof(SkOperand) * count);
animate->onEndElement(maker);
// if (memcmp(values.begin(), animate->fValues.begin(), sizeof(SkOperand) * count) != 0) {
fActive->append(this);
fActive->start();
// }
}
SkMSec time = fActive->getTime(rawTime, inner);
SkActive::SkState& state = fActive->fState[inner];
if (SkMSec_LT(rawTime, state.fStartTime)) {
if (fEnabling) {
animate->fDelayed = true;
maker.delayEnable(this, state.fStartTime);
}
continue;
} else
animate->fDelayed = false;
SkMSec innerTime = fLastTime = state.getRelativeTime(time);
if (restore)
fActive->restoreInterpolatorValues(inner);
if (animate->fReset) {
if (transition != SkApply::kTransition_reverse) {
if (SkMSec_LT(state.fBegin + state.fDuration, innerTime)) {
if (animate->fResetPending) {
innerTime = 0;
animate->fResetPending = false;
} else
continue;
}
} else if (innerTime == 0) {
if (animate->fResetPending) {
innerTime = state.fBegin + state.fDuration;
animate->fResetPending = false;
} else
continue;
}
}
int count = animate->components();
SkAutoSTMalloc<16, SkOperand> values(count);
SkInterpolatorBase::Result interpResult = fActive->fInterpolators[inner]->timeToValues(
innerTime, values.get());
result |= (interpResult != SkInterpolatorBase::kFreezeEnd_Result);
if (((transition != SkApply::kTransition_reverse && interpResult == SkInterpolatorBase::kFreezeEnd_Result) ||
(transition == SkApply::kTransition_reverse && fLastTime == 0)) && state.fUnpostedEndEvent) {
// SkDEBUGF(("interpolate: post on end\n"));
state.fUnpostedEndEvent = false;
maker.postOnEnd(animate, state.fBegin + state.fDuration);
maker.fAdjustedStart = 0; // !!! left over from synchronizing animation days, undoubtably out of date (and broken)
}
if (animate->formula.size() > 0) {
if (fLastTime > animate->dur)
fLastTime = animate->dur;
SkTypedArray formulaValues;
formulaValues.setCount(count);
SkDEBUGCODE(bool success = ) animate->fFieldInfo->setValue(maker, &formulaValues, 0, 0, NULL,
animate->getValuesType(), animate->formula);
SkASSERT(success);
if (restore)
save(inner); // save existing value
applyValues(inner, formulaValues.begin(), count, animate->getValuesType(), innerTime);
} else {
if (restore)
save(inner); // save existing value
applyValues(inner, values.get(), count, animate->getValuesType(), innerTime);
}
}
return result;
}
void SkApply::initialize() {
if (scope == NULL)
return;
if (scope->isApply() || scope->isDrawable() == false)
return;
scope->initialize();
}
void SkApply::onEndElement(SkAnimateMaker& maker)
{
SkDrawable* scopePtr = scope;
while (scopePtr && scopePtr->isApply()) {
SkApply* scopedApply = (SkApply*) scopePtr;
if (scopedApply->scope == this) {
maker.setErrorCode(SkDisplayXMLParserError::kApplyScopesItself);
return;
}
scopePtr = scopedApply->scope;
}
if (mode == kMode_create)
return;
if (scope != NULL && steps >= 0 && scope->isApply() == false && scope->isDrawable())
scope->setSteps(steps);
for (SkAnimateBase** animPtr = fAnimators.begin(); animPtr < fAnimators.end(); animPtr++) {
SkAnimateBase* anim = *animPtr;
//for reusing apply statements with dynamic scope
if (anim->fTarget == NULL || anim->fTargetIsScope) {
anim->fTargetIsScope = true;
if (scope)
anim->fTarget = scope;
else
anim->setTarget(maker);
anim->onEndElement(maker); // allows animate->fFieldInfo to be set
}
if (scope != NULL && steps >= 0 && anim->fTarget != scope && anim->fTarget->isDrawable())
anim->fTarget->setSteps(steps);
}
}
const SkMemberInfo* SkApply::preferredChild(SkDisplayTypes type) {
SkASSERT(SkDisplayType::IsAnimate(type) == false);
fContainsScope = true;
return getMember("scope"); // !!! cwap! need to refer to member through enum like kScope instead
}
void SkApply::refresh(SkAnimateMaker& maker) {
for (SkAnimateBase** animPtr = fAnimators.begin(); animPtr < fAnimators.end(); animPtr++) {
SkAnimateBase* animate = *animPtr;
animate->onEndElement(maker);
}
if (fActive)
fActive->resetInterpolators();
}
void SkApply::reset() {
if (fActive)
fActive->resetState();
}
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
if (resolveField(maker, apply, &dynamicScope) == false)
return true; // failed
SkAnimateBase** endPtr = fAnimators.end();
SkAnimateBase** origPtr = ((SkApply*) original)->fAnimators.begin();
for (SkAnimateBase** animPtr = fAnimators.begin(); animPtr < endPtr; ) {
SkAnimateBase* animator = *animPtr++;
maker.resolveID(animator, *origPtr++);
if (resolveField(maker, this, &animator->target) == false)
return true;
if (resolveField(maker, this, &animator->from) == false)
return true;
if (resolveField(maker, this, &animator->to) == false)
return true;
if (resolveField(maker, this, &animator->formula) == false)
return true;
}
// setEmbedded();
onEndElement(maker);
return false; // succeeded
}
bool SkApply::resolveField(SkAnimateMaker& maker, SkDisplayable* parent, SkString* str) {
const char* script = str->c_str();
if (str->startsWith("#string:") == false)
return true;
script += sizeof("#string:") - 1;
return SkAnimatorScript::EvaluateString(maker, this, parent, script, str);
}
void SkApply::save(int index) {
SkAnimateBase* animate = fActive->fAnimators[index];
const SkMemberInfo * info = animate->fFieldInfo;
SkDisplayable* target = getTarget(animate);
// if (animate->hasExecute())
// info = animate->getResolvedInfo();
SkDisplayTypes type = (SkDisplayTypes) info->fType;
if (type == SkType_MemberFunction)
return; // nothing to save
size_t size = info->getSize(target);
int count = (int) (size / sizeof(SkScalar));
bool useLast = true;
// !!! this all may be unneeded, at least in the dynamic case ??
int activeIndex = fActive->fDrawIndex + index;
SkTDOperandArray last;
if (fActive->fSaveRestore[activeIndex] == NULL) {
fActive->fSaveRestore[activeIndex] = new SkOperand[count];
useLast = false;
} else {
last.setCount(count);
memcpy(last.begin(), fActive->fSaveRestore[activeIndex], count * sizeof(SkOperand));
}
if (type != SkType_MemberProperty) {
info->getValue(target, fActive->fSaveRestore[activeIndex], count);
if (useLast)
info->setValue(target, last.begin(), count);
} else {
SkScriptValue scriptValue;
SkDEBUGCODE(bool success = ) target->getProperty(info->propertyIndex(), &scriptValue);
SkASSERT(success == true);
SkASSERT(scriptValue.fType == SkType_Float);
fActive->fSaveRestore[activeIndex][0] = scriptValue.fOperand;
if (useLast) {
SkScriptValue scriptValue;
scriptValue.fType = type;
scriptValue.fOperand = last[0];
target->setProperty(info->propertyIndex(), scriptValue);
}
}
// !!! end of unneeded
}
bool SkApply::setProperty(int index, SkScriptValue& scriptValue) {
switch (index) {
case SK_PROPERTY(animator): {
SkAnimateBase* animate = (SkAnimateBase*) scriptValue.fOperand.fDisplayable;
SkASSERT(animate->isAnimate());
*fAnimators.append() = animate;
return true;
}
case SK_PROPERTY(steps):
steps = scriptValue.fOperand.fS32;
if (fActive)
fActive->setSteps(steps);
return true;
}
return false;
}
void SkApply::setSteps(int _steps) {
steps = _steps;
}
#ifdef SK_DEBUG
void SkApply::validate() {
if (fActive)
fActive->validate();
}
#endif