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author | initial.commit <initial.commit@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-07-27 00:09:42 +0000 |
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committer | initial.commit <initial.commit@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-07-27 00:09:42 +0000 |
commit | ae2c20f398933a9e86c387dcc465ec0f71065ffc (patch) | |
tree | de668b1411e2ee0b4e49b6d8f8b68183134ac990 /skia/animator/SkAnimatorScript2.cpp | |
parent | 09911bf300f1a419907a9412154760efd0b7abc3 (diff) | |
download | chromium_src-ae2c20f398933a9e86c387dcc465ec0f71065ffc.zip chromium_src-ae2c20f398933a9e86c387dcc465ec0f71065ffc.tar.gz chromium_src-ae2c20f398933a9e86c387dcc465ec0f71065ffc.tar.bz2 |
Add skia to the repository.
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'skia/animator/SkAnimatorScript2.cpp')
-rw-r--r-- | skia/animator/SkAnimatorScript2.cpp | 618 |
1 files changed, 618 insertions, 0 deletions
diff --git a/skia/animator/SkAnimatorScript2.cpp b/skia/animator/SkAnimatorScript2.cpp new file mode 100644 index 0000000..08dbf16 --- /dev/null +++ b/skia/animator/SkAnimatorScript2.cpp @@ -0,0 +1,618 @@ +#include "SkAnimatorScript2.h" +#include "SkAnimateBase.h" +#include "SkAnimateMaker.h" +#include "SkDisplayTypes.h" +#include "SkExtras.h" +#include "SkMemberInfo.h" +#include "SkOpArray.h" +#include "SkParse.h" +#include "SkScript2.h" +#include "SkScriptCallBack.h" + +static const SkDisplayEnumMap gEnumMaps[] = { + { SkType_AddMode, "indirect|immediate" }, + { SkType_Align, "left|center|right" }, + { SkType_ApplyMode, "immediate|once" }, + { SkType_ApplyTransition, "reverse" }, + { SkType_BitmapEncoding, "jpeg|png" }, + { SkType_BitmapFormat, "none|A1|A8|Index8|RGB16|RGB32" }, + { SkType_Boolean, "false|true" }, + { SkType_Cap, "butt|round|square" }, + { SkType_EventCode, "none|up|down|left|right|back|end|OK|send|leftSoftKey|rightSoftKey|key0|key1|key2|key3|key4|key5|key6|key7|key8|key9|star|hash" }, + { SkType_EventKind, "none|keyChar|keyPress|mouseDown|mouseDrag|mouseMove|mouseUp|onEnd|onLoad|user" }, + { SkType_EventMode, "deferred|immediate" }, + { SkType_FillType, "winding|evenOdd" }, + { SkType_FilterType, "none|bilinear" }, + { SkType_FromPathMode, "normal|angle|position" }, + { SkType_Join, "miter|round|blunt" }, + { SkType_MaskFilterBlurStyle, "normal|solid|outer|inner" }, + { SkType_PathDirection, "cw|ccw" }, + { SkType_Style, "fill|stroke|strokeAndFill" }, + { SkType_TextBoxAlign, "start|center|end" }, + { SkType_TextBoxMode, "oneLine|lineBreak" }, + { SkType_TileMode, "clamp|repeat|mirror" }, + { SkType_Xfermode, "clear|src|dst|srcOver|dstOver|srcIn|dstIn|srcOut|dstOut|" + "srcATop|dstATop|xor|darken|lighten" }, +}; + +static int gEnumMapCount = SK_ARRAY_COUNT(gEnumMaps); + + +class SkAnimatorScript_Box : public SkScriptCallBackConvert { +public: + SkAnimatorScript_Box() {} + + ~SkAnimatorScript_Box() { + for (SkDisplayable** dispPtr = fTrackDisplayable.begin(); dispPtr < fTrackDisplayable.end(); dispPtr++) + delete *dispPtr; + } + + virtual bool convert(SkOperand2::OpType type, SkOperand2* operand) { + SkDisplayable* displayable; + switch (type) { + case SkOperand2::kArray: { + SkDisplayArray* boxedValue = new SkDisplayArray(*operand->fArray); + displayable = boxedValue; + } break; + case SkOperand2::kS32: { + SkDisplayInt* boxedValue = new SkDisplayInt; + displayable = boxedValue; + boxedValue->value = operand->fS32; + } break; + case SkOperand2::kScalar: { + SkDisplayFloat* boxedValue = new SkDisplayFloat; + displayable = boxedValue; + boxedValue->value = operand->fScalar; + } break; + case SkOperand2::kString: { + SkDisplayString* boxedValue = new SkDisplayString(*operand->fString); + displayable = boxedValue; + } break; + case SkOperand2::kObject: + return true; + default: + SkASSERT(0); + return false; + } + track(displayable); + operand->fObject = (void*) displayable; + return true; + } + + virtual SkOperand2::OpType getReturnType(int index) { + return SkOperand2::kObject; + } + + virtual Type getType() const { + return kBox; + } + + void track(SkDisplayable* displayable) { + SkASSERT(fTrackDisplayable.find(displayable) < 0); + *fTrackDisplayable.append() = displayable; + } + + SkTDDisplayableArray fTrackDisplayable; +}; + + +class SkAnimatorScript_Enum : public SkScriptCallBackProperty { +public: + SkAnimatorScript_Enum(const char* tokens) : fTokens(tokens) {} + + virtual bool getConstValue(const char* name, int len, SkOperand2* value) { + return SkAnimatorScript2::MapEnums(fTokens, name, len, &value->fS32); + } + +private: + const char* fTokens; +}; + + // !!! if type is string, call invoke + // if any other type, return original value + // distinction is undone: could do this by returning index == 0 only if param is string + // still, caller of getParamTypes will attempt to convert param to string (I guess) +class SkAnimatorScript_Eval : public SkScriptCallBackFunction { +public: + SkAnimatorScript_Eval(SkAnimatorScript2* engine) : fEngine(engine) {} + + virtual bool getIndex(const char* name, int len, size_t* result) { + if (SK_LITERAL_STR_EQUAL("eval", name, len) != 0) + return false; + *result = 0; + return true; + } + + virtual void getParamTypes(SkIntArray(SkOperand2::OpType)* types) { + types->setCount(1); + SkOperand2::OpType* type = types->begin(); + type[0] = SkOperand2::kString; + } + + virtual bool invoke(size_t index, SkOpArray* params, SkOperand2* answer) { + SkAnimatorScript2 engine(fEngine->getMaker(), fEngine->getWorking(), + SkAnimatorScript2::ToDisplayType(fEngine->getReturnType())); + SkOperand2* op = params->begin(); + const char* script = op->fString->c_str(); + SkScriptValue2 value; + return engine.evaluateScript(&script, &value); + SkASSERT(value.fType == fEngine->getReturnType()); + *answer = value.fOperand; + // !!! incomplete ? + return true; + } + +private: + SkAnimatorScript2* fEngine; +}; + +class SkAnimatorScript_ID : public SkScriptCallBackProperty { +public: + SkAnimatorScript_ID(SkAnimatorScript2* engine) : fEngine(engine) {} + + virtual bool getIndex(const char* token, int len, size_t* result) { + SkDisplayable* displayable; + bool success = fEngine->getMaker().find(token, len, &displayable); + if (success == false) { + *result = 0; + } else { + *result = (size_t) displayable; + SkDisplayable* working = fEngine->getWorking(); + if (displayable->canContainDependents() && working && working->isAnimate()) { + SkAnimateBase* animator = (SkAnimateBase*) working; + if (animator->isDynamic()) { + SkDisplayDepend* depend = (SkDisplayDepend* ) displayable; + depend->addDependent(working); + } + } + } + return true; + } + + virtual bool getResult(size_t ref, SkOperand2* answer) { + answer->fObject = (void*) ref; + return true; + } + + virtual SkOperand2::OpType getReturnType(size_t index) { + return index == 0 ? SkOperand2::kString : SkOperand2::kObject; + } + +private: + SkAnimatorScript2* fEngine; +}; + + +class SkAnimatorScript_Member : public SkScriptCallBackMember { +public: + + SkAnimatorScript_Member(SkAnimatorScript2* engine) : fEngine(engine) {} + + bool getMemberReference(const char* member, size_t len, void* object, SkScriptValue2* ref) { + SkDisplayable* displayable = (SkDisplayable*) object; + SkString name(member, len); + SkDisplayable* named = displayable->contains(name); + if (named) { + ref->fType = SkOperand2::kObject; + ref->fOperand.fObject = named; + return true; + } + const SkMemberInfo* info = displayable->getMember(name.c_str()); + if (info == NULL) + return false; // !!! add additional error info? + ref->fType = SkAnimatorScript2::ToOpType(info->getType()); + ref->fOperand.fObject = (void*) info; + return true; + } + + bool invoke(size_t ref, void* object, SkOperand2* value) { + const SkMemberInfo* info = (const SkMemberInfo* ) ref; + SkDisplayable* displayable = (SkDisplayable*) object; + if (info->fType == SkType_MemberProperty) { + if (displayable->getProperty2(info->propertyIndex(), value) == false) { + return false; + } + } + return fEngine->evalMemberCommon(info, displayable, value); + } + + SkAnimatorScript2* fEngine; +}; + + +class SkAnimatorScript_MemberFunction : public SkScriptCallBackMemberFunction { +public: + SkAnimatorScript_MemberFunction(SkAnimatorScript2* engine) : fEngine(engine) {} + + bool getMemberReference(const char* member, size_t len, void* object, SkScriptValue2* ref) { + SkDisplayable* displayable = (SkDisplayable*) object; + SkString name(member, len); + const SkMemberInfo* info = displayable->getMember(name.c_str()); + if (info == NULL || info->fType != SkType_MemberFunction) + return false; // !!! add additional error info? + ref->fType = SkAnimatorScript2::ToOpType(info->getType()); + ref->fOperand.fObject = (void*) info; + return true; + } + + virtual void getParamTypes(SkIntArray(SkOperand2::OpType)* types) { + types->setCount(3); + SkOperand2::OpType* type = types->begin(); + type[0] = type[1] = type[2] = SkOperand2::kS32; + } + + bool invoke(size_t ref, void* object, SkOpArray* params, SkOperand2* value) + { + const SkMemberInfo* info = (const SkMemberInfo* ) ref; + SkDisplayable* displayable = (SkDisplayable*) object; + displayable->executeFunction2(displayable, info->functionIndex(), params, info->getType(), + value); + return fEngine->evalMemberCommon(info, displayable, value); + } + + SkAnimatorScript2* fEngine; +}; + + +class SkAnimatorScript_NamedColor : public SkScriptCallBackProperty { +public: + virtual bool getConstValue(const char* name, int len, SkOperand2* value) { + return SkParse::FindNamedColor(name, len, (SkColor*) &value->fS32) != NULL; + } +}; + + +class SkAnimatorScript_RGB : public SkScriptCallBackFunction { +public: + virtual bool getIndex(const char* name, int len, size_t* result) { + if (SK_LITERAL_STR_EQUAL("rgb", name, len) != 0) + return false; + *result = 0; + return true; + } + + virtual void getParamTypes(SkIntArray(SkOperand2::OpType)* types) { + types->setCount(3); + SkOperand2::OpType* type = types->begin(); + type[0] = type[1] = type[2] = SkOperand2::kS32; + } + + virtual bool invoke(size_t index, SkOpArray* params, SkOperand2* answer) { + SkASSERT(index == 0); + unsigned result = 0xFF000000; + int shift = 16; + for (int index = 0; index < 3; index++) { + result |= SkClampMax(params->begin()[index].fS32, 255) << shift; + shift -= 8; + } + answer->fS32 = result; + return true; + } + +}; + + +class SkAnimatorScript_Unbox : public SkScriptCallBackConvert { +public: + SkAnimatorScript_Unbox(SkAnimatorScript2* engine) : fEngine(engine) {} + + virtual bool convert(SkOperand2::OpType type, SkOperand2* operand) { + SkASSERT(type == SkOperand2::kObject); + SkDisplayable* displayable = (SkDisplayable*) operand->fObject; + switch (displayable->getType()) { + case SkType_Array: { + SkDisplayArray* boxedValue = (SkDisplayArray*) displayable; + operand->fArray = new SkOpArray(SkAnimatorScript2::ToOpType(boxedValue->values.getType())); + int count = boxedValue->values.count(); + operand->fArray->setCount(count); + memcpy(operand->fArray->begin(), boxedValue->values.begin(), count * sizeof(SkOperand2)); + fEngine->track(operand->fArray); + } break; + case SkType_Boolean: { + SkDisplayBoolean* boxedValue = (SkDisplayBoolean*) displayable; + operand->fS32 = boxedValue->value; + } break; + case SkType_Int: { + SkDisplayInt* boxedValue = (SkDisplayInt*) displayable; + operand->fS32 = boxedValue->value; + } break; + case SkType_Float: { + SkDisplayFloat* boxedValue = (SkDisplayFloat*) displayable; + operand->fScalar = boxedValue->value; + } break; + case SkType_String: { + SkDisplayString* boxedValue = (SkDisplayString*) displayable; + operand->fString = SkNEW_ARGS(SkString, (boxedValue->value)); + } break; + default: { + const char* id; + bool success = fEngine->getMaker().findKey(displayable, &id); + SkASSERT(success); + operand->fString = SkNEW_ARGS(SkString, (id)); + } + } + return true; + } + + virtual SkOperand2::OpType getReturnType(int /*index*/, SkOperand2* operand) { + SkDisplayable* displayable = (SkDisplayable*) operand->fObject; + switch (displayable->getType()) { + case SkType_Array: + return SkOperand2::kArray; + case SkType_Int: + return SkOperand2::kS32; + case SkType_Float: + return SkOperand2::kScalar; + case SkType_String: + default: + return SkOperand2::kString; + } + } + + virtual Type getType() const { + return kUnbox; + } + + SkAnimatorScript2* fEngine; +}; + +SkAnimatorScript2::SkAnimatorScript2(SkAnimateMaker& maker, SkDisplayable* working, SkDisplayTypes type) : + SkScriptEngine2(ToOpType(type)), fMaker(maker), fWorking(working) { + *fCallBackArray.append() = new SkAnimatorScript_Member(this); + *fCallBackArray.append() = new SkAnimatorScript_MemberFunction(this); + *fCallBackArray.append() = new SkAnimatorScript_Box(); + *fCallBackArray.append() = new SkAnimatorScript_Unbox(this); + *fCallBackArray.append() = new SkAnimatorScript_ID(this); + if (type == SkType_ARGB) { + *fCallBackArray.append() = new SkAnimatorScript_RGB(); + *fCallBackArray.append() = new SkAnimatorScript_NamedColor(); + } + if (SkDisplayType::IsEnum(&maker, type)) { + // !!! for SpiderMonkey, iterate through the enum values, and map them to globals + const SkDisplayEnumMap& map = GetEnumValues(type); + *fCallBackArray.append() = new SkAnimatorScript_Enum(map.fValues); + } + *fCallBackArray.append() = new SkAnimatorScript_Eval(this); +#if 0 // !!! no extra support for now + for (SkExtras** extraPtr = maker.fExtras.begin(); extraPtr < maker.fExtras.end(); extraPtr++) { + SkExtras* extra = *extraPtr; + if (extra->fExtraCallBack) + *fCallBackArray.append() = new propertyCallBack(extra->fExtraCallBack, extra->fExtraStorage); + } +#endif +} + +SkAnimatorScript2::~SkAnimatorScript2() { + SkScriptCallBack** end = fCallBackArray.end(); + for (SkScriptCallBack** ptr = fCallBackArray.begin(); ptr < end; ptr++) + delete *ptr; +} + +bool SkAnimatorScript2::evalMemberCommon(const SkMemberInfo* info, + SkDisplayable* displayable, SkOperand2* value) { + SkDisplayTypes original; + SkDisplayTypes type = original = (SkDisplayTypes) info->getType(); + if (info->fType == SkType_Array) + type = SkType_Array; + switch (type) { + case SkType_ARGB: + type = SkType_Int; + case SkType_Boolean: + case SkType_Int: + case SkType_MSec: + case SkType_Float: + SkASSERT(info->getCount() == 1); + if (info->fType != SkType_MemberProperty && info->fType != SkType_MemberFunction) + value->fS32 = *(int32_t*) info->memberData(displayable); // OK for SkScalar too + if (type == SkType_MSec) { + value->fScalar = SkScalarDiv((SkScalar) value->fS32, 1000); // dividing two ints is the same as dividing two scalars + type = SkType_Float; + } + break; + case SkType_String: { + SkString* displayableString; + if (info->fType != SkType_MemberProperty && info->fType != SkType_MemberFunction) { + info->getString(displayable, &displayableString); + value->fString = new SkString(*displayableString); + } + } break; + case SkType_Array: { + SkASSERT(info->fType != SkType_MemberProperty); // !!! incomplete + SkTDOperandArray* displayableArray = (SkTDOperandArray*) info->memberData(displayable); + if (displayable->getType() == SkType_Array) { + SkDisplayArray* typedArray = (SkDisplayArray*) displayable; + original = typedArray->values.getType(); + } + SkASSERT(original != SkType_Unknown); + SkOpArray* array = value->fArray = new SkOpArray(ToOpType(original)); + track(array); + int count = displayableArray->count(); + if (count > 0) { + array->setCount(count); + memcpy(array->begin(), displayableArray->begin(), count * sizeof(SkOperand2)); + } + } break; + default: + SkASSERT(0); // unimplemented + } + return true; +} + +const SkDisplayEnumMap& SkAnimatorScript2::GetEnumValues(SkDisplayTypes type) { + int index = SkTSearch<SkDisplayTypes>(&gEnumMaps[0].fType, gEnumMapCount, type, + sizeof(SkDisplayEnumMap)); + SkASSERT(index >= 0); + return gEnumMaps[index]; +} + +SkDisplayTypes SkAnimatorScript2::ToDisplayType(SkOperand2::OpType type) { + int val = type; + switch (val) { + case SkOperand2::kNoType: + return SkType_Unknown; + case SkOperand2::kS32: + return SkType_Int; + case SkOperand2::kScalar: + return SkType_Float; + case SkOperand2::kString: + return SkType_String; + case SkOperand2::kArray: + return SkType_Array; + case SkOperand2::kObject: + return SkType_Displayable; + default: + SkASSERT(0); + return SkType_Unknown; + } +} + +SkOperand2::OpType SkAnimatorScript2::ToOpType(SkDisplayTypes type) { + if (SkDisplayType::IsDisplayable(NULL /* fMaker */, type)) + return SkOperand2::kObject; + if (SkDisplayType::IsEnum(NULL /* fMaker */, type)) + return SkOperand2::kS32; + switch (type) { + case SkType_ARGB: + case SkType_MSec: + case SkType_Int: + return SkOperand2::kS32; + case SkType_Float: + case SkType_Point: + case SkType_3D_Point: + return SkOperand2::kScalar; + case SkType_Base64: + case SkType_DynamicString: + case SkType_String: + return SkOperand2::kString; + case SkType_Array: + return SkOperand2::kArray; + case SkType_Unknown: + return SkOperand2::kNoType; + default: + SkASSERT(0); + return SkOperand2::kNoType; + } +} + +bool SkAnimatorScript2::MapEnums(const char* ptr, const char* match, size_t len, int* value) { + int index = 0; + bool more = true; + do { + const char* last = strchr(ptr, '|'); + if (last == NULL) { + last = &ptr[strlen(ptr)]; + more = false; + } + size_t length = last - ptr; + if (len == length && strncmp(ptr, match, length) == 0) { + *value = index; + return true; + } + index++; + ptr = last + 1; + } while (more); + return false; +} + +#if defined SK_DEBUG + +#include "SkAnimator.h" + +static const char scriptTestSetup[] = +"<screenplay>" + "<apply>" + "<paint>" + "<emboss id='emboss' direction='[1,1,1]' />" + "</paint>" + "<animateField id='animation' field='direction' target='emboss' from='[1,1,1]' to='[-1,1,1]' dur='1'/>" + "<set lval='direction[0]' target='emboss' to='-1' />" + "</apply>" + "<color id='testColor' color='0 ? rgb(0,0,0) : rgb(255,255,255)' />" + "<color id='xColor' color='rgb(12,34,56)' />" + "<typedArray id='emptyArray' />" + "<typedArray id='intArray' values='[1, 4, 6]' />" + "<s32 id='idx' value='2' />" + "<s32 id='idy' value='2' />" + "<string id='alpha' value='abc' />" + "<rectangle id='testRect' left='Math.cos(0)' top='2' right='12' bottom='5' />" + "<event id='evt'>" + "<input name='x' />" + "<apply scope='idy'>" + "<set field='value' to='evt.x.s32' />" + "</apply>" + "</event>" +"</screenplay>"; + +#if !defined(SK_BUILD_FOR_BREW) +static const SkScriptNAnswer scriptTests[] = { + { "alpha+alpha", SkType_String, 0, 0, "abcabc" }, + { "0 ? Math.sin(0) : 1", SkType_Int, 1 }, + { "intArray[4]", SkType_Unknown }, + { "emptyArray[4]", SkType_Unknown }, + { "idx", SkType_Int, 2 }, + { "intArray.length", SkType_Int, 3 }, + { "intArray.values[0]", SkType_Int, 1 }, + { "intArray[0]", SkType_Int, 1 }, + { "idx.value", SkType_Int, 2 }, + { "alpha.value", SkType_String, 0, 0, "abc" }, + { "alpha", SkType_String, 0, 0, "abc" }, + { "alpha.value+alpha.value", SkType_String, 0, 0, "abcabc" }, + { "alpha+idx", SkType_String, 0, 0, "abc2" }, + { "idx+alpha", SkType_String, 0, 0, "2abc" }, + { "intArray[idx]", SkType_Int, 6 }, + { "alpha.slice(1,2)", SkType_String, 0, 0, "b" }, + { "alpha.value.slice(1,2)", SkType_String, 0, 0, "b" }, + { "Math.sin(0)", SkType_Float, 0, SkIntToScalar(0) }, + { "testRect.left+2", SkType_Float, 0, SkIntToScalar(3) }, + { "0 ? intArray[0] : 1", SkType_Int, 1 }, + { "0 ? intArray.values[0] : 1", SkType_Int, 1 }, + { "0 ? idx : 1", SkType_Int, 1 }, + { "0 ? idx.value : 1", SkType_Int, 1 }, + { "0 ? alpha.slice(1,2) : 1", SkType_Int, 1 }, + { "0 ? alpha.value.slice(1,2) : 1", SkType_Int, 1 }, + { "idy", SkType_Int, 3 } +}; +#endif + +#define SkScriptNAnswer_testCount SK_ARRAY_COUNT(scriptTests) + +void SkAnimatorScript2::UnitTest() { +#if !defined(SK_BUILD_FOR_BREW) && defined(SK_SUPPORT_UNITTEST) + SkAnimator animator; + SkASSERT(animator.decodeMemory(scriptTestSetup, sizeof(scriptTestSetup)-1)); + SkEvent evt; + evt.setString("id", "evt"); + evt.setS32("x", 3); + animator.doUserEvent(evt); + // set up animator with memory script above, then run value tests + for (int index = 0; index < SkScriptNAnswer_testCount; index++) { + SkAnimatorScript2 engine(*animator.fMaker, NULL, scriptTests[index].fType); + SkScriptValue2 value; + const char* script = scriptTests[index].fScript; + bool success = engine.evaluateScript(&script, &value); + if (success == false) { + SkASSERT(scriptTests[index].fType == SkType_Unknown); + continue; + } + SkASSERT(value.fType == ToOpType(scriptTests[index].fType)); + SkScalar error; + switch (value.fType) { + case SkOperand2::kS32: + SkASSERT(value.fOperand.fS32 == scriptTests[index].fIntAnswer); + break; + case SkOperand2::kScalar: + error = SkScalarAbs(value.fOperand.fScalar - scriptTests[index].fScalarAnswer); + SkASSERT(error < SK_Scalar1 / 10000); + break; + case SkOperand2::kString: + SkASSERT(value.fOperand.fString->equals(scriptTests[index].fStringAnswer)); + break; + default: + SkASSERT(0); + } + } +#endif +} + +#endif + |