mirror of https://github.com/axmolengine/axmol.git
280 lines
11 KiB
C
280 lines
11 KiB
C
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/* libs/graphics/animator/SkMemberInfo.h
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**
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** Copyright 2006, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#ifndef SkMemberInfo_DEFINED
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#define SkMemberInfo_DEFINED
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#if defined SK_BUILD_CONDENSED
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#define SK_USE_CONDENSED_INFO 0
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#endif
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#include "SkDisplayType.h"
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#include "SkScript.h"
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#include "SkString.h"
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#include "SkIntArray.h"
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class SkAnimateMaker;
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class SkDisplayable;
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class SkScriptEngine;
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// temporary hacks until name change is more complete
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#define SkFloat SkScalar
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#define SkInt SkS32
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struct SkMemberInfo {
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//!!! alternative:
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// if fCount == 0, record is member property
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// then fType can be type, so caller doesn't have to check
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#if SK_USE_CONDENSED_INFO == 0
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const char* fName; // may be NULL for anonymous functions
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size_t fOffset; // if negative, is index into member pointer table (for properties and functions)
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SkDisplayTypes fType;
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int fCount; // for properties, actual type (count is always assumed to be 1)
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#else
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unsigned char fName;
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signed char fOffset;
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unsigned char fType;
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signed char fCount;
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#endif
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SkDisplayTypes arrayType() const {
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SkASSERT(fType == SkType_Array);
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return (SkDisplayTypes) fCount; // hack, but worth it?
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}
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int functionIndex() const {
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SkASSERT(fType == SkType_MemberFunction);
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return (signed) fOffset > 0 ? -1 + (int) fOffset : -1 - (int) fOffset;
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}
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bool getArrayValue(const SkDisplayable* displayable, int index, SkOperand* value) const;
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int getCount() const {
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return fType == SkType_MemberProperty || fType == SkType_Array ||
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fType == SkType_MemberFunction ? 1 : fCount;
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}
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const SkMemberInfo* getInherited() const;
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size_t getSize(const SkDisplayable* ) const;
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void getString(const SkDisplayable* , SkString** string) const;
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SkDisplayTypes getType() const {
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return fType == SkType_MemberProperty || fType == SkType_Array ||
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fType == SkType_MemberFunction ? (SkDisplayTypes) fCount : (SkDisplayTypes) fType;
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}
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void getValue(const SkDisplayable* , SkOperand values[], int count) const;
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bool isEnum() const;
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const char* mapEnums(const char* match, int* value) const;
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void* memberData(const SkDisplayable* displayable) const {
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SkASSERT(fType != SkType_MemberProperty && fType != SkType_MemberFunction);
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return (void*) ((const char*) displayable + fOffset);
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}
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int propertyIndex() const {
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SkASSERT(fType == SkType_MemberProperty);
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return (signed) fOffset > 0 ? -1 + (int) fOffset : -1 - (int) fOffset;
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}
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SkDisplayTypes propertyType() const {
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SkASSERT(fType == SkType_MemberProperty || fType == SkType_Array);
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return (SkDisplayTypes) fCount; // hack, but worth it?
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}
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void setMemberData(SkDisplayable* displayable, const void* child, size_t size) const {
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SkASSERT(fType != SkType_MemberProperty && fType != SkType_MemberFunction);
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memcpy((char*) displayable + fOffset, child, size);
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}
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void setString(SkDisplayable* , SkString* ) const;
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void setValue(SkDisplayable* , const SkOperand values[], int count) const;
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bool setValue(SkAnimateMaker& , SkTDOperandArray* storage,
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int storageOffset, int maxStorage, SkDisplayable* ,
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SkDisplayTypes outType, const char value[], size_t len) const;
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bool setValue(SkAnimateMaker& , SkTDOperandArray* storage,
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int storageOffset, int maxStorage, SkDisplayable* ,
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SkDisplayTypes outType, SkString& str) const;
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// void setValue(SkDisplayable* , const char value[], const char name[]) const;
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bool writeValue(SkDisplayable* displayable, SkTDOperandArray* arrayStorage,
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int storageOffset, int maxStorage, void* untypedStorage, SkDisplayTypes outType,
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SkScriptValue& scriptValue) const;
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#if SK_USE_CONDENSED_INFO == 0
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static const SkMemberInfo* Find(const SkMemberInfo [], int count, int* index);
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static const SkMemberInfo* Find(const SkMemberInfo [], int count, const char** name);
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#else
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static const SkMemberInfo* Find(SkDisplayTypes type, int* index);
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static const SkMemberInfo* Find(SkDisplayTypes type, const char** name);
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#endif
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static size_t GetSize(SkDisplayTypes type); // size of simple types only
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// static bool SetValue(void* value, const char* name, SkDisplayTypes , int count);
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};
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#define SK_MEMBER(_member, _type) \
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{ #_member, SK_OFFSETOF(BASE_CLASS, _member), SkType_##_type, \
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sizeof(((BASE_CLASS*) 1)->_member) / sizeof(SkScalar) }
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#define SK_MEMBER_ALIAS(_member, _alias, _type) \
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{ #_member, SK_OFFSETOF(BASE_CLASS, _alias), SkType_##_type, \
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sizeof(((BASE_CLASS*) 1)->_alias) / sizeof(SkScalar) }
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#define SK_MEMBER_ARRAY(_member, _type) \
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{ #_member, SK_OFFSETOF(BASE_CLASS, _member), SkType_Array, \
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(int) SkType_##_type }
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#define SK_MEMBER_INHERITED \
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{ (const char*) INHERITED::fInfo, 0, SkType_BaseClassInfo, INHERITED::fInfoCount }
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// #define SK_MEMBER_KEY_TYPE(_member, _type)
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// {#_member, (size_t) -1, SkType_##_type, 0}
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#define SK_FUNCTION(_member) \
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k_##_member##Function
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#define SK_PROPERTY(_member) \
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k_##_member##Property
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#define SK_MEMBER_DYNAMIC_FUNCTION(_member, _type) \
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{#_member, (size_t) (+1 + SK_FUNCTION(_member)), SkType_MemberFunction, \
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(int) SkType_##_type }
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#define SK_MEMBER_DYNAMIC_PROPERTY(_member, _type) \
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{#_member, (size_t) (1 + SK_PROPERTY(_member)), SkType_MemberProperty, \
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(int) SkType_##_type }
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#define SK_MEMBER_FUNCTION(_member, _type) \
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{#_member, (size_t) (-1 - SK_FUNCTION(_member)), SkType_MemberFunction, \
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(int) SkType_##_type }
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#define SK_MEMBER_PROPERTY(_member, _type) \
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{#_member, (size_t) (-1 - SK_PROPERTY(_member)), SkType_MemberProperty, \
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(int) SkType_##_type }
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#if SK_USE_CONDENSED_INFO == 0
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#define DECLARE_PRIVATE_MEMBER_INFO(_type) \
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public: \
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static const SkMemberInfo fInfo[]; \
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static const int fInfoCount; \
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virtual const SkMemberInfo* getMember(int index); \
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virtual const SkMemberInfo* getMember(const char name[]); \
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typedef Sk##_type BASE_CLASS
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#define DECLARE_MEMBER_INFO(_type) \
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public: \
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static const SkMemberInfo fInfo[]; \
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static const int fInfoCount; \
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virtual const SkMemberInfo* getMember(int index); \
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virtual const SkMemberInfo* getMember(const char name[]); \
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virtual SkDisplayTypes getType() const { return SkType_##_type; } \
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typedef Sk##_type BASE_CLASS
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#define DECLARE_DRAW_MEMBER_INFO(_type) \
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public: \
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static const SkMemberInfo fInfo[]; \
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static const int fInfoCount; \
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virtual const SkMemberInfo* getMember(int index); \
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virtual const SkMemberInfo* getMember(const char name[]); \
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virtual SkDisplayTypes getType() const { return SkType_##_type; } \
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typedef SkDraw##_type BASE_CLASS
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#define DECLARE_DISPLAY_MEMBER_INFO(_type) \
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public: \
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static const SkMemberInfo fInfo[]; \
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static const int fInfoCount; \
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virtual const SkMemberInfo* getMember(int index); \
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virtual const SkMemberInfo* getMember(const char name[]); \
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virtual SkDisplayTypes getType() const { return SkType_##_type; } \
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typedef SkDisplay##_type BASE_CLASS
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#define DECLARE_EMPTY_MEMBER_INFO(_type) \
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public: \
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virtual SkDisplayTypes getType() const { return SkType_##_type; }
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#define DECLARE_EXTRAS_MEMBER_INFO(_type) \
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public: \
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static const SkMemberInfo fInfo[]; \
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static const int fInfoCount; \
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virtual const SkMemberInfo* getMember(int index); \
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virtual const SkMemberInfo* getMember(const char name[]); \
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SkDisplayTypes fType; \
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virtual SkDisplayTypes getType() const { return fType; } \
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typedef _type BASE_CLASS
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#define DECLARE_NO_VIRTUALS_MEMBER_INFO(_type) \
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public: \
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static const SkMemberInfo fInfo[]; \
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static const int fInfoCount; \
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typedef Sk##_type BASE_CLASS
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#define DEFINE_GET_MEMBER(_class) \
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const SkMemberInfo* _class::getMember(int index) { \
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const SkMemberInfo* result = SkMemberInfo::Find(fInfo, SK_ARRAY_COUNT(fInfo), &index); \
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return result; \
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} \
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const SkMemberInfo* _class::getMember(const char name[]) { \
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const SkMemberInfo* result = SkMemberInfo::Find(fInfo, SK_ARRAY_COUNT(fInfo), &name); \
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return result; \
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} \
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const int _class::fInfoCount = SK_ARRAY_COUNT(fInfo)
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#define DEFINE_NO_VIRTUALS_GET_MEMBER(_class) \
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const int _class::fInfoCount = SK_ARRAY_COUNT(fInfo)
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#else
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#define DECLARE_PRIVATE_MEMBER_INFO(_type) \
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public: \
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typedef Sk##_type BASE_CLASS
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#define DECLARE_MEMBER_INFO(_type) \
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public: \
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virtual const SkMemberInfo* getMember(int index) { \
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return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
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virtual const SkMemberInfo* getMember(const char name[]) { \
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return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \
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virtual SkDisplayTypes getType() const { return SkType_##_type; } \
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typedef Sk##_type BASE_CLASS
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#define DECLARE_DRAW_MEMBER_INFO(_type) \
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public: \
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virtual const SkMemberInfo* getMember(int index) { \
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return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
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virtual const SkMemberInfo* getMember(const char name[]) { \
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return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \
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virtual SkDisplayTypes getType() const { return SkType_##_type; } \
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typedef SkDraw##_type BASE_CLASS
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#define DECLARE_DISPLAY_MEMBER_INFO(_type) \
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public: \
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virtual const SkMemberInfo* getMember(int index) { \
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return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
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virtual const SkMemberInfo* getMember(const char name[]) { \
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return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \
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virtual SkDisplayTypes getType() const { return SkType_##_type; } \
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typedef SkDisplay##_type BASE_CLASS
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#define DECLARE_EXTRAS_MEMBER_INFO(_type) \
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public: \
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virtual const SkMemberInfo* getMember(int index) { \
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return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
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virtual const SkMemberInfo* getMember(const char name[]) { \
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return SkDisplayType::GetMember(NULL, fType, &name); } \
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SkDisplayTypes fType; \
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virtual SkDisplayTypes getType() const { return fType; } \
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typedef _type BASE_CLASS
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#define DECLARE_NO_VIRTUALS_MEMBER_INFO(_type) \
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public: \
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typedef Sk##_type BASE_CLASS
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#define DEFINE_GET_MEMBER(_class)
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#define DEFINE_NO_VIRTUALS_GET_MEMBER(_class)
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#endif
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#endif // SkMemberInfo_DEFINED
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