1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/animator/SkMemberInfo.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,270 @@
1.4 +
1.5 +/*
1.6 + * Copyright 2006 The Android Open Source Project
1.7 + *
1.8 + * Use of this source code is governed by a BSD-style license that can be
1.9 + * found in the LICENSE file.
1.10 + */
1.11 +
1.12 +
1.13 +#ifndef SkMemberInfo_DEFINED
1.14 +#define SkMemberInfo_DEFINED
1.15 +
1.16 +#if defined SK_BUILD_CONDENSED
1.17 + #define SK_USE_CONDENSED_INFO 0
1.18 +#endif
1.19 +
1.20 +#include "SkDisplayType.h"
1.21 +#include "SkScript.h"
1.22 +#include "SkString.h"
1.23 +#include "SkIntArray.h"
1.24 +
1.25 +class SkAnimateMaker;
1.26 +class SkDisplayable;
1.27 +class SkScriptEngine;
1.28 +
1.29 +// temporary hacks until name change is more complete
1.30 +#define SkFloat SkScalar
1.31 +#define SkInt SkS32
1.32 +
1.33 +struct SkMemberInfo {
1.34 + //!!! alternative:
1.35 + // if fCount == 0, record is member property
1.36 + // then fType can be type, so caller doesn't have to check
1.37 +#if SK_USE_CONDENSED_INFO == 0
1.38 + const char* fName; // may be NULL for anonymous functions
1.39 + size_t fOffset; // if negative, is index into member pointer table (for properties and functions)
1.40 + SkDisplayTypes fType;
1.41 + int fCount; // for properties, actual type (count is always assumed to be 1)
1.42 +#else
1.43 + unsigned char fName;
1.44 + signed char fOffset;
1.45 + unsigned char fType;
1.46 + signed char fCount;
1.47 +#endif
1.48 + SkDisplayTypes arrayType() const {
1.49 + SkASSERT(fType == SkType_Array);
1.50 + return (SkDisplayTypes) fCount; // hack, but worth it?
1.51 + }
1.52 + int functionIndex() const {
1.53 + SkASSERT(fType == SkType_MemberFunction);
1.54 + return (signed) fOffset > 0 ? -1 + (int) fOffset : -1 - (int) fOffset;
1.55 + }
1.56 + bool getArrayValue(const SkDisplayable* displayable, int index, SkOperand* value) const;
1.57 + int getCount() const {
1.58 + return fType == SkType_MemberProperty || fType == SkType_Array ||
1.59 + fType == SkType_MemberFunction ? 1 : fCount;
1.60 + }
1.61 + const SkMemberInfo* getInherited() const;
1.62 + size_t getSize(const SkDisplayable* ) const;
1.63 + void getString(const SkDisplayable* , SkString** string) const;
1.64 + SkDisplayTypes getType() const {
1.65 + return fType == SkType_MemberProperty || fType == SkType_Array ||
1.66 + fType == SkType_MemberFunction ? (SkDisplayTypes) fCount : (SkDisplayTypes) fType;
1.67 + }
1.68 + void getValue(const SkDisplayable* , SkOperand values[], int count) const;
1.69 + bool isEnum() const;
1.70 + const char* mapEnums(const char* match, int* value) const;
1.71 + void* memberData(const SkDisplayable* displayable) const {
1.72 + SkASSERT(fType != SkType_MemberProperty && fType != SkType_MemberFunction);
1.73 + return (void*) ((const char*) displayable + fOffset);
1.74 + }
1.75 + int propertyIndex() const {
1.76 + SkASSERT(fType == SkType_MemberProperty);
1.77 + return (signed) fOffset > 0 ? -1 + (int) fOffset : -1 - (int) fOffset;
1.78 + }
1.79 + SkDisplayTypes propertyType() const {
1.80 + SkASSERT(fType == SkType_MemberProperty || fType == SkType_Array);
1.81 + return (SkDisplayTypes) fCount; // hack, but worth it?
1.82 + }
1.83 + void setMemberData(SkDisplayable* displayable, const void* child, size_t size) const {
1.84 + SkASSERT(fType != SkType_MemberProperty && fType != SkType_MemberFunction);
1.85 + memcpy((char*) displayable + fOffset, child, size);
1.86 + }
1.87 + void setString(SkDisplayable* , SkString* ) const;
1.88 + void setValue(SkDisplayable* , const SkOperand values[], int count) const;
1.89 + bool setValue(SkAnimateMaker& , SkTDOperandArray* storage,
1.90 + int storageOffset, int maxStorage, SkDisplayable* ,
1.91 + SkDisplayTypes outType, const char value[], size_t len) const;
1.92 + bool setValue(SkAnimateMaker& , SkTDOperandArray* storage,
1.93 + int storageOffset, int maxStorage, SkDisplayable* ,
1.94 + SkDisplayTypes outType, SkString& str) const;
1.95 +// void setValue(SkDisplayable* , const char value[], const char name[]) const;
1.96 + bool writeValue(SkDisplayable* displayable, SkTDOperandArray* arrayStorage,
1.97 + int storageOffset, int maxStorage, void* untypedStorage, SkDisplayTypes outType,
1.98 + SkScriptValue& scriptValue) const;
1.99 +#if SK_USE_CONDENSED_INFO == 0
1.100 + static const SkMemberInfo* Find(const SkMemberInfo [], int count, int* index);
1.101 + static const SkMemberInfo* Find(const SkMemberInfo [], int count, const char** name);
1.102 +#else
1.103 + static const SkMemberInfo* Find(SkDisplayTypes type, int* index);
1.104 + static const SkMemberInfo* Find(SkDisplayTypes type, const char** name);
1.105 +#endif
1.106 + static size_t GetSize(SkDisplayTypes type); // size of simple types only
1.107 +// static bool SetValue(void* value, const char* name, SkDisplayTypes , int count);
1.108 +};
1.109 +
1.110 +#define SK_MEMBER(_member, _type) \
1.111 + { #_member, SK_OFFSETOF(BASE_CLASS, _member), SkType_##_type, \
1.112 + sizeof(((BASE_CLASS*) 1)->_member) / sizeof(SkScalar) }
1.113 +
1.114 +#define SK_MEMBER_ALIAS(_member, _alias, _type) \
1.115 + { #_member, SK_OFFSETOF(BASE_CLASS, _alias), SkType_##_type, \
1.116 + sizeof(((BASE_CLASS*) 1)->_alias) / sizeof(SkScalar) }
1.117 +
1.118 +#define SK_MEMBER_ARRAY(_member, _type) \
1.119 + { #_member, SK_OFFSETOF(BASE_CLASS, _member), SkType_Array, \
1.120 + (int) SkType_##_type }
1.121 +
1.122 +#define SK_MEMBER_INHERITED \
1.123 + { (const char*) INHERITED::fInfo, 0, SkType_BaseClassInfo, INHERITED::fInfoCount }
1.124 +
1.125 +// #define SK_MEMBER_KEY_TYPE(_member, _type)
1.126 +// {#_member, (size_t) -1, SkType_##_type, 0}
1.127 +
1.128 +#define SK_FUNCTION(_member) \
1.129 + k_##_member##Function
1.130 +
1.131 +#define SK_PROPERTY(_member) \
1.132 + k_##_member##Property
1.133 +
1.134 +#define SK_MEMBER_DYNAMIC_FUNCTION(_member, _type) \
1.135 + {#_member, (size_t) (+1 + SK_FUNCTION(_member)), SkType_MemberFunction, \
1.136 + (int) SkType_##_type }
1.137 +
1.138 +#define SK_MEMBER_DYNAMIC_PROPERTY(_member, _type) \
1.139 + {#_member, (size_t) (1 + SK_PROPERTY(_member)), SkType_MemberProperty, \
1.140 + (int) SkType_##_type }
1.141 +
1.142 +#define SK_MEMBER_FUNCTION(_member, _type) \
1.143 + {#_member, (size_t) (-1 - SK_FUNCTION(_member)), SkType_MemberFunction, \
1.144 + (int) SkType_##_type }
1.145 +
1.146 +#define SK_MEMBER_PROPERTY(_member, _type) \
1.147 + {#_member, (size_t) (-1 - SK_PROPERTY(_member)), SkType_MemberProperty, \
1.148 + (int) SkType_##_type }
1.149 +
1.150 +#if SK_USE_CONDENSED_INFO == 0
1.151 +
1.152 +#define DECLARE_PRIVATE_MEMBER_INFO(_type) \
1.153 +public: \
1.154 + static const SkMemberInfo fInfo[]; \
1.155 + static const int fInfoCount; \
1.156 + virtual const SkMemberInfo* getMember(int index); \
1.157 + virtual const SkMemberInfo* getMember(const char name[]); \
1.158 + typedef Sk##_type BASE_CLASS
1.159 +
1.160 +#define DECLARE_MEMBER_INFO(_type) \
1.161 +public: \
1.162 + static const SkMemberInfo fInfo[]; \
1.163 + static const int fInfoCount; \
1.164 + virtual const SkMemberInfo* getMember(int index); \
1.165 + virtual const SkMemberInfo* getMember(const char name[]); \
1.166 + virtual SkDisplayTypes getType() const { return SkType_##_type; } \
1.167 + typedef Sk##_type BASE_CLASS
1.168 +
1.169 +#define DECLARE_DRAW_MEMBER_INFO(_type) \
1.170 +public: \
1.171 + static const SkMemberInfo fInfo[]; \
1.172 + static const int fInfoCount; \
1.173 + virtual const SkMemberInfo* getMember(int index); \
1.174 + virtual const SkMemberInfo* getMember(const char name[]); \
1.175 + virtual SkDisplayTypes getType() const { return SkType_##_type; } \
1.176 + typedef SkDraw##_type BASE_CLASS
1.177 +
1.178 +#define DECLARE_DISPLAY_MEMBER_INFO(_type) \
1.179 +public: \
1.180 + static const SkMemberInfo fInfo[]; \
1.181 + static const int fInfoCount; \
1.182 + virtual const SkMemberInfo* getMember(int index); \
1.183 + virtual const SkMemberInfo* getMember(const char name[]); \
1.184 + virtual SkDisplayTypes getType() const { return SkType_##_type; } \
1.185 + typedef SkDisplay##_type BASE_CLASS
1.186 +
1.187 +#define DECLARE_EMPTY_MEMBER_INFO(_type) \
1.188 +public: \
1.189 + virtual SkDisplayTypes getType() const { return SkType_##_type; }
1.190 +
1.191 +#define DECLARE_EXTRAS_MEMBER_INFO(_type) \
1.192 +public: \
1.193 + static const SkMemberInfo fInfo[]; \
1.194 + static const int fInfoCount; \
1.195 + virtual const SkMemberInfo* getMember(int index); \
1.196 + virtual const SkMemberInfo* getMember(const char name[]); \
1.197 + SkDisplayTypes fType; \
1.198 + virtual SkDisplayTypes getType() const { return fType; } \
1.199 + typedef _type BASE_CLASS
1.200 +
1.201 +#define DECLARE_NO_VIRTUALS_MEMBER_INFO(_type) \
1.202 +public: \
1.203 + static const SkMemberInfo fInfo[]; \
1.204 + static const int fInfoCount; \
1.205 + typedef Sk##_type BASE_CLASS
1.206 +
1.207 +#define DEFINE_GET_MEMBER(_class) \
1.208 + const SkMemberInfo* _class::getMember(int index) { \
1.209 + const SkMemberInfo* result = SkMemberInfo::Find(fInfo, SK_ARRAY_COUNT(fInfo), &index); \
1.210 + return result; \
1.211 + } \
1.212 + const SkMemberInfo* _class::getMember(const char name[]) { \
1.213 + const SkMemberInfo* result = SkMemberInfo::Find(fInfo, SK_ARRAY_COUNT(fInfo), &name); \
1.214 + return result; \
1.215 + } \
1.216 + const int _class::fInfoCount = SK_ARRAY_COUNT(fInfo)
1.217 +
1.218 +#define DEFINE_NO_VIRTUALS_GET_MEMBER(_class) \
1.219 + const int _class::fInfoCount = SK_ARRAY_COUNT(fInfo)
1.220 +
1.221 +#else
1.222 +
1.223 +#define DECLARE_PRIVATE_MEMBER_INFO(_type) \
1.224 +public: \
1.225 + typedef Sk##_type BASE_CLASS
1.226 +
1.227 +#define DECLARE_MEMBER_INFO(_type) \
1.228 +public: \
1.229 + virtual const SkMemberInfo* getMember(int index) { \
1.230 + return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
1.231 + virtual const SkMemberInfo* getMember(const char name[]) { \
1.232 + return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \
1.233 + virtual SkDisplayTypes getType() const { return SkType_##_type; } \
1.234 + typedef Sk##_type BASE_CLASS
1.235 +
1.236 +#define DECLARE_DRAW_MEMBER_INFO(_type) \
1.237 +public: \
1.238 + virtual const SkMemberInfo* getMember(int index) { \
1.239 + return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
1.240 + virtual const SkMemberInfo* getMember(const char name[]) { \
1.241 + return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \
1.242 + virtual SkDisplayTypes getType() const { return SkType_##_type; } \
1.243 + typedef SkDraw##_type BASE_CLASS
1.244 +
1.245 +#define DECLARE_DISPLAY_MEMBER_INFO(_type) \
1.246 +public: \
1.247 + virtual const SkMemberInfo* getMember(int index) { \
1.248 + return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
1.249 + virtual const SkMemberInfo* getMember(const char name[]) { \
1.250 + return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \
1.251 + virtual SkDisplayTypes getType() const { return SkType_##_type; } \
1.252 + typedef SkDisplay##_type BASE_CLASS
1.253 +
1.254 +#define DECLARE_EXTRAS_MEMBER_INFO(_type) \
1.255 +public: \
1.256 + virtual const SkMemberInfo* getMember(int index) { \
1.257 + return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
1.258 + virtual const SkMemberInfo* getMember(const char name[]) { \
1.259 + return SkDisplayType::GetMember(NULL, fType, &name); } \
1.260 + SkDisplayTypes fType; \
1.261 + virtual SkDisplayTypes getType() const { return fType; } \
1.262 + typedef _type BASE_CLASS
1.263 +
1.264 +#define DECLARE_NO_VIRTUALS_MEMBER_INFO(_type) \
1.265 +public: \
1.266 + typedef Sk##_type BASE_CLASS
1.267 +
1.268 +#define DEFINE_GET_MEMBER(_class)
1.269 +#define DEFINE_NO_VIRTUALS_GET_MEMBER(_class)
1.270 +
1.271 +#endif
1.272 +
1.273 +#endif // SkMemberInfo_DEFINED
