epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2006 The Android Open Source Project |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
| 8 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 9 | |
| 10 | #ifndef SkMemberInfo_DEFINED |
| 11 | #define SkMemberInfo_DEFINED |
| 12 | |
| 13 | #if defined SK_BUILD_CONDENSED |
| 14 | #define SK_USE_CONDENSED_INFO 0 |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 15 | #endif |
| 16 | |
| 17 | #include "SkDisplayType.h" |
| 18 | #include "SkScript.h" |
| 19 | #include "SkString.h" |
| 20 | #include "SkIntArray.h" |
| 21 | |
| 22 | class SkAnimateMaker; |
| 23 | class SkDisplayable; |
| 24 | class SkScriptEngine; |
| 25 | |
| 26 | // temporary hacks until name change is more complete |
| 27 | #define SkFloat SkScalar |
| 28 | #define SkInt SkS32 |
| 29 | |
| 30 | struct SkMemberInfo { |
| 31 | //!!! alternative: |
| 32 | // if fCount == 0, record is member property |
| 33 | // then fType can be type, so caller doesn't have to check |
| 34 | #if SK_USE_CONDENSED_INFO == 0 |
| 35 | const char* fName; // may be NULL for anonymous functions |
| 36 | size_t fOffset; // if negative, is index into member pointer table (for properties and functions) |
| 37 | SkDisplayTypes fType; |
| 38 | int fCount; // for properties, actual type (count is always assumed to be 1) |
| 39 | #else |
| 40 | unsigned char fName; |
| 41 | signed char fOffset; |
| 42 | unsigned char fType; |
| 43 | signed char fCount; |
| 44 | #endif |
| 45 | SkDisplayTypes arrayType() const { |
| 46 | SkASSERT(fType == SkType_Array); |
| 47 | return (SkDisplayTypes) fCount; // hack, but worth it? |
| 48 | } |
| 49 | int functionIndex() const { |
| 50 | SkASSERT(fType == SkType_MemberFunction); |
| 51 | return (signed) fOffset > 0 ? -1 + (int) fOffset : -1 - (int) fOffset; |
| 52 | } |
| 53 | bool getArrayValue(const SkDisplayable* displayable, int index, SkOperand* value) const; |
| 54 | int getCount() const { |
| 55 | return fType == SkType_MemberProperty || fType == SkType_Array || |
| 56 | fType == SkType_MemberFunction ? 1 : fCount; |
| 57 | } |
| 58 | const SkMemberInfo* getInherited() const; |
| 59 | size_t getSize(const SkDisplayable* ) const; |
| 60 | void getString(const SkDisplayable* , SkString** string) const; |
| 61 | SkDisplayTypes getType() const { |
| 62 | return fType == SkType_MemberProperty || fType == SkType_Array || |
| 63 | fType == SkType_MemberFunction ? (SkDisplayTypes) fCount : (SkDisplayTypes) fType; |
| 64 | } |
| 65 | void getValue(const SkDisplayable* , SkOperand values[], int count) const; |
| 66 | bool isEnum() const; |
| 67 | const char* mapEnums(const char* match, int* value) const; |
| 68 | void* memberData(const SkDisplayable* displayable) const { |
| 69 | SkASSERT(fType != SkType_MemberProperty && fType != SkType_MemberFunction); |
| 70 | return (void*) ((const char*) displayable + fOffset); |
| 71 | } |
| 72 | int propertyIndex() const { |
| 73 | SkASSERT(fType == SkType_MemberProperty); |
| 74 | return (signed) fOffset > 0 ? -1 + (int) fOffset : -1 - (int) fOffset; |
| 75 | } |
| 76 | SkDisplayTypes propertyType() const { |
| 77 | SkASSERT(fType == SkType_MemberProperty || fType == SkType_Array); |
| 78 | return (SkDisplayTypes) fCount; // hack, but worth it? |
| 79 | } |
| 80 | void setMemberData(SkDisplayable* displayable, const void* child, size_t size) const { |
| 81 | SkASSERT(fType != SkType_MemberProperty && fType != SkType_MemberFunction); |
| 82 | memcpy((char*) displayable + fOffset, child, size); |
| 83 | } |
| 84 | void setString(SkDisplayable* , SkString* ) const; |
| 85 | void setValue(SkDisplayable* , const SkOperand values[], int count) const; |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 86 | bool setValue(SkAnimateMaker& , SkTDOperandArray* storage, |
| 87 | int storageOffset, int maxStorage, SkDisplayable* , |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 88 | SkDisplayTypes outType, const char value[], size_t len) const; |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 89 | bool setValue(SkAnimateMaker& , SkTDOperandArray* storage, |
| 90 | int storageOffset, int maxStorage, SkDisplayable* , |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 91 | SkDisplayTypes outType, SkString& str) const; |
| 92 | // void setValue(SkDisplayable* , const char value[], const char name[]) const; |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 93 | bool writeValue(SkDisplayable* displayable, SkTDOperandArray* arrayStorage, |
| 94 | int storageOffset, int maxStorage, void* untypedStorage, SkDisplayTypes outType, |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 95 | SkScriptValue& scriptValue) const; |
| 96 | #if SK_USE_CONDENSED_INFO == 0 |
| 97 | static const SkMemberInfo* Find(const SkMemberInfo [], int count, int* index); |
| 98 | static const SkMemberInfo* Find(const SkMemberInfo [], int count, const char** name); |
| 99 | #else |
| 100 | static const SkMemberInfo* Find(SkDisplayTypes type, int* index); |
| 101 | static const SkMemberInfo* Find(SkDisplayTypes type, const char** name); |
| 102 | #endif |
| 103 | static size_t GetSize(SkDisplayTypes type); // size of simple types only |
| 104 | // static bool SetValue(void* value, const char* name, SkDisplayTypes , int count); |
| 105 | }; |
| 106 | |
| 107 | #define SK_MEMBER(_member, _type) \ |
| 108 | { #_member, SK_OFFSETOF(BASE_CLASS, _member), SkType_##_type, \ |
| 109 | sizeof(((BASE_CLASS*) 1)->_member) / sizeof(SkScalar) } |
| 110 | |
| 111 | #define SK_MEMBER_ALIAS(_member, _alias, _type) \ |
| 112 | { #_member, SK_OFFSETOF(BASE_CLASS, _alias), SkType_##_type, \ |
| 113 | sizeof(((BASE_CLASS*) 1)->_alias) / sizeof(SkScalar) } |
| 114 | |
| 115 | #define SK_MEMBER_ARRAY(_member, _type) \ |
| 116 | { #_member, SK_OFFSETOF(BASE_CLASS, _member), SkType_Array, \ |
| 117 | (int) SkType_##_type } |
| 118 | |
| 119 | #define SK_MEMBER_INHERITED \ |
| 120 | { (const char*) INHERITED::fInfo, 0, SkType_BaseClassInfo, INHERITED::fInfoCount } |
| 121 | |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 122 | // #define SK_MEMBER_KEY_TYPE(_member, _type) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 123 | // {#_member, (size_t) -1, SkType_##_type, 0} |
| 124 | |
| 125 | #define SK_FUNCTION(_member) \ |
| 126 | k_##_member##Function |
| 127 | |
| 128 | #define SK_PROPERTY(_member) \ |
| 129 | k_##_member##Property |
| 130 | |
| 131 | #define SK_MEMBER_DYNAMIC_FUNCTION(_member, _type) \ |
| 132 | {#_member, (size_t) (+1 + SK_FUNCTION(_member)), SkType_MemberFunction, \ |
| 133 | (int) SkType_##_type } |
| 134 | |
| 135 | #define SK_MEMBER_DYNAMIC_PROPERTY(_member, _type) \ |
| 136 | {#_member, (size_t) (1 + SK_PROPERTY(_member)), SkType_MemberProperty, \ |
| 137 | (int) SkType_##_type } |
| 138 | |
| 139 | #define SK_MEMBER_FUNCTION(_member, _type) \ |
| 140 | {#_member, (size_t) (-1 - SK_FUNCTION(_member)), SkType_MemberFunction, \ |
| 141 | (int) SkType_##_type } |
| 142 | |
| 143 | #define SK_MEMBER_PROPERTY(_member, _type) \ |
| 144 | {#_member, (size_t) (-1 - SK_PROPERTY(_member)), SkType_MemberProperty, \ |
| 145 | (int) SkType_##_type } |
| 146 | |
| 147 | #if SK_USE_CONDENSED_INFO == 0 |
| 148 | |
| 149 | #define DECLARE_PRIVATE_MEMBER_INFO(_type) \ |
| 150 | public: \ |
| 151 | static const SkMemberInfo fInfo[]; \ |
| 152 | static const int fInfoCount; \ |
| 153 | virtual const SkMemberInfo* getMember(int index); \ |
| 154 | virtual const SkMemberInfo* getMember(const char name[]); \ |
| 155 | typedef Sk##_type BASE_CLASS |
| 156 | |
| 157 | #define DECLARE_MEMBER_INFO(_type) \ |
| 158 | public: \ |
| 159 | static const SkMemberInfo fInfo[]; \ |
| 160 | static const int fInfoCount; \ |
| 161 | virtual const SkMemberInfo* getMember(int index); \ |
| 162 | virtual const SkMemberInfo* getMember(const char name[]); \ |
| 163 | virtual SkDisplayTypes getType() const { return SkType_##_type; } \ |
| 164 | typedef Sk##_type BASE_CLASS |
| 165 | |
| 166 | #define DECLARE_DRAW_MEMBER_INFO(_type) \ |
| 167 | public: \ |
| 168 | static const SkMemberInfo fInfo[]; \ |
| 169 | static const int fInfoCount; \ |
| 170 | virtual const SkMemberInfo* getMember(int index); \ |
| 171 | virtual const SkMemberInfo* getMember(const char name[]); \ |
| 172 | virtual SkDisplayTypes getType() const { return SkType_##_type; } \ |
| 173 | typedef SkDraw##_type BASE_CLASS |
| 174 | |
| 175 | #define DECLARE_DISPLAY_MEMBER_INFO(_type) \ |
| 176 | public: \ |
| 177 | static const SkMemberInfo fInfo[]; \ |
| 178 | static const int fInfoCount; \ |
| 179 | virtual const SkMemberInfo* getMember(int index); \ |
| 180 | virtual const SkMemberInfo* getMember(const char name[]); \ |
| 181 | virtual SkDisplayTypes getType() const { return SkType_##_type; } \ |
| 182 | typedef SkDisplay##_type BASE_CLASS |
| 183 | |
| 184 | #define DECLARE_EMPTY_MEMBER_INFO(_type) \ |
| 185 | public: \ |
| 186 | virtual SkDisplayTypes getType() const { return SkType_##_type; } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 187 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 188 | #define DECLARE_EXTRAS_MEMBER_INFO(_type) \ |
| 189 | public: \ |
| 190 | static const SkMemberInfo fInfo[]; \ |
| 191 | static const int fInfoCount; \ |
| 192 | virtual const SkMemberInfo* getMember(int index); \ |
| 193 | virtual const SkMemberInfo* getMember(const char name[]); \ |
| 194 | SkDisplayTypes fType; \ |
| 195 | virtual SkDisplayTypes getType() const { return fType; } \ |
| 196 | typedef _type BASE_CLASS |
| 197 | |
| 198 | #define DECLARE_NO_VIRTUALS_MEMBER_INFO(_type) \ |
| 199 | public: \ |
| 200 | static const SkMemberInfo fInfo[]; \ |
| 201 | static const int fInfoCount; \ |
| 202 | typedef Sk##_type BASE_CLASS |
| 203 | |
| 204 | #define DEFINE_GET_MEMBER(_class) \ |
| 205 | const SkMemberInfo* _class::getMember(int index) { \ |
| 206 | const SkMemberInfo* result = SkMemberInfo::Find(fInfo, SK_ARRAY_COUNT(fInfo), &index); \ |
| 207 | return result; \ |
| 208 | } \ |
| 209 | const SkMemberInfo* _class::getMember(const char name[]) { \ |
| 210 | const SkMemberInfo* result = SkMemberInfo::Find(fInfo, SK_ARRAY_COUNT(fInfo), &name); \ |
| 211 | return result; \ |
| 212 | } \ |
| 213 | const int _class::fInfoCount = SK_ARRAY_COUNT(fInfo) |
| 214 | |
| 215 | #define DEFINE_NO_VIRTUALS_GET_MEMBER(_class) \ |
| 216 | const int _class::fInfoCount = SK_ARRAY_COUNT(fInfo) |
| 217 | |
| 218 | #else |
| 219 | |
| 220 | #define DECLARE_PRIVATE_MEMBER_INFO(_type) \ |
| 221 | public: \ |
| 222 | typedef Sk##_type BASE_CLASS |
| 223 | |
| 224 | #define DECLARE_MEMBER_INFO(_type) \ |
| 225 | public: \ |
| 226 | virtual const SkMemberInfo* getMember(int index) { \ |
| 227 | return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \ |
| 228 | virtual const SkMemberInfo* getMember(const char name[]) { \ |
| 229 | return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \ |
| 230 | virtual SkDisplayTypes getType() const { return SkType_##_type; } \ |
| 231 | typedef Sk##_type BASE_CLASS |
| 232 | |
| 233 | #define DECLARE_DRAW_MEMBER_INFO(_type) \ |
| 234 | public: \ |
| 235 | virtual const SkMemberInfo* getMember(int index) { \ |
| 236 | return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \ |
| 237 | virtual const SkMemberInfo* getMember(const char name[]) { \ |
| 238 | return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \ |
| 239 | virtual SkDisplayTypes getType() const { return SkType_##_type; } \ |
| 240 | typedef SkDraw##_type BASE_CLASS |
| 241 | |
| 242 | #define DECLARE_DISPLAY_MEMBER_INFO(_type) \ |
| 243 | public: \ |
| 244 | virtual const SkMemberInfo* getMember(int index) { \ |
| 245 | return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \ |
| 246 | virtual const SkMemberInfo* getMember(const char name[]) { \ |
| 247 | return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \ |
| 248 | virtual SkDisplayTypes getType() const { return SkType_##_type; } \ |
| 249 | typedef SkDisplay##_type BASE_CLASS |
| 250 | |
| 251 | #define DECLARE_EXTRAS_MEMBER_INFO(_type) \ |
| 252 | public: \ |
| 253 | virtual const SkMemberInfo* getMember(int index) { \ |
| 254 | return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \ |
| 255 | virtual const SkMemberInfo* getMember(const char name[]) { \ |
| 256 | return SkDisplayType::GetMember(NULL, fType, &name); } \ |
| 257 | SkDisplayTypes fType; \ |
| 258 | virtual SkDisplayTypes getType() const { return fType; } \ |
| 259 | typedef _type BASE_CLASS |
| 260 | |
| 261 | #define DECLARE_NO_VIRTUALS_MEMBER_INFO(_type) \ |
| 262 | public: \ |
| 263 | typedef Sk##_type BASE_CLASS |
| 264 | |
| 265 | #define DEFINE_GET_MEMBER(_class) |
| 266 | #define DEFINE_NO_VIRTUALS_GET_MEMBER(_class) |
| 267 | |
| 268 | #endif |
| 269 | |
| 270 | #endif // SkMemberInfo_DEFINED |