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" |
bungeman | 221524d | 2016-01-05 14:59:40 -0800 | [diff] [blame] | 21 | #include <utility> |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 22 | |
| 23 | class SkAnimateMaker; |
| 24 | class SkDisplayable; |
| 25 | class SkScriptEngine; |
| 26 | |
| 27 | // temporary hacks until name change is more complete |
| 28 | #define SkFloat SkScalar |
| 29 | #define SkInt SkS32 |
| 30 | |
| 31 | struct SkMemberInfo { |
| 32 | //!!! alternative: |
| 33 | // if fCount == 0, record is member property |
| 34 | // then fType can be type, so caller doesn't have to check |
| 35 | #if SK_USE_CONDENSED_INFO == 0 |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 36 | const char* fName; // may be nullptr for anonymous functions |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 37 | size_t fOffset; // if negative, is index into member pointer table (for properties and functions) |
| 38 | SkDisplayTypes fType; |
| 39 | int fCount; // for properties, actual type (count is always assumed to be 1) |
| 40 | #else |
| 41 | unsigned char fName; |
| 42 | signed char fOffset; |
| 43 | unsigned char fType; |
| 44 | signed char fCount; |
| 45 | #endif |
| 46 | SkDisplayTypes arrayType() const { |
| 47 | SkASSERT(fType == SkType_Array); |
| 48 | return (SkDisplayTypes) fCount; // hack, but worth it? |
| 49 | } |
| 50 | int functionIndex() const { |
| 51 | SkASSERT(fType == SkType_MemberFunction); |
| 52 | return (signed) fOffset > 0 ? -1 + (int) fOffset : -1 - (int) fOffset; |
| 53 | } |
| 54 | bool getArrayValue(const SkDisplayable* displayable, int index, SkOperand* value) const; |
| 55 | int getCount() const { |
| 56 | return fType == SkType_MemberProperty || fType == SkType_Array || |
| 57 | fType == SkType_MemberFunction ? 1 : fCount; |
| 58 | } |
| 59 | const SkMemberInfo* getInherited() const; |
| 60 | size_t getSize(const SkDisplayable* ) const; |
| 61 | void getString(const SkDisplayable* , SkString** string) const; |
| 62 | SkDisplayTypes getType() const { |
| 63 | return fType == SkType_MemberProperty || fType == SkType_Array || |
| 64 | fType == SkType_MemberFunction ? (SkDisplayTypes) fCount : (SkDisplayTypes) fType; |
| 65 | } |
| 66 | void getValue(const SkDisplayable* , SkOperand values[], int count) const; |
| 67 | bool isEnum() const; |
| 68 | const char* mapEnums(const char* match, int* value) const; |
| 69 | void* memberData(const SkDisplayable* displayable) const { |
| 70 | SkASSERT(fType != SkType_MemberProperty && fType != SkType_MemberFunction); |
| 71 | return (void*) ((const char*) displayable + fOffset); |
| 72 | } |
| 73 | int propertyIndex() const { |
| 74 | SkASSERT(fType == SkType_MemberProperty); |
| 75 | return (signed) fOffset > 0 ? -1 + (int) fOffset : -1 - (int) fOffset; |
| 76 | } |
| 77 | SkDisplayTypes propertyType() const { |
| 78 | SkASSERT(fType == SkType_MemberProperty || fType == SkType_Array); |
| 79 | return (SkDisplayTypes) fCount; // hack, but worth it? |
| 80 | } |
| 81 | void setMemberData(SkDisplayable* displayable, const void* child, size_t size) const { |
| 82 | SkASSERT(fType != SkType_MemberProperty && fType != SkType_MemberFunction); |
| 83 | memcpy((char*) displayable + fOffset, child, size); |
| 84 | } |
| 85 | void setString(SkDisplayable* , SkString* ) const; |
| 86 | void setValue(SkDisplayable* , const SkOperand values[], int count) const; |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 87 | bool setValue(SkAnimateMaker& , SkTDOperandArray* storage, |
| 88 | int storageOffset, int maxStorage, SkDisplayable* , |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 89 | SkDisplayTypes outType, const char value[], size_t len) const; |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 90 | bool setValue(SkAnimateMaker& , SkTDOperandArray* storage, |
| 91 | int storageOffset, int maxStorage, SkDisplayable* , |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 92 | SkDisplayTypes outType, SkString& str) const; |
| 93 | // void setValue(SkDisplayable* , const char value[], const char name[]) const; |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 94 | bool writeValue(SkDisplayable* displayable, SkTDOperandArray* arrayStorage, |
| 95 | int storageOffset, int maxStorage, void* untypedStorage, SkDisplayTypes outType, |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 96 | SkScriptValue& scriptValue) const; |
| 97 | #if SK_USE_CONDENSED_INFO == 0 |
| 98 | static const SkMemberInfo* Find(const SkMemberInfo [], int count, int* index); |
| 99 | static const SkMemberInfo* Find(const SkMemberInfo [], int count, const char** name); |
| 100 | #else |
| 101 | static const SkMemberInfo* Find(SkDisplayTypes type, int* index); |
| 102 | static const SkMemberInfo* Find(SkDisplayTypes type, const char** name); |
| 103 | #endif |
| 104 | static size_t GetSize(SkDisplayTypes type); // size of simple types only |
| 105 | // static bool SetValue(void* value, const char* name, SkDisplayTypes , int count); |
| 106 | }; |
| 107 | |
bungeman | afd7c74 | 2015-08-25 12:05:55 -0700 | [diff] [blame] | 108 | #ifndef SK_OFFSETOF |
| 109 | // This is offsetof for types which are not standard layout. |
| 110 | #define SK_OFFSETOF(type, field) (size_t)((char*)&(((type*)1024)->field) - (char*)1024) |
| 111 | #endif |
| 112 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 113 | #define SK_MEMBER(_member, _type) \ |
| 114 | { #_member, SK_OFFSETOF(BASE_CLASS, _member), SkType_##_type, \ |
bungeman | 221524d | 2016-01-05 14:59:40 -0800 | [diff] [blame] | 115 | sizeof(std::declval<BASE_CLASS>()._member) / sizeof(SkScalar) } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 116 | |
| 117 | #define SK_MEMBER_ALIAS(_member, _alias, _type) \ |
| 118 | { #_member, SK_OFFSETOF(BASE_CLASS, _alias), SkType_##_type, \ |
bungeman | 221524d | 2016-01-05 14:59:40 -0800 | [diff] [blame] | 119 | sizeof(std::declval<BASE_CLASS>()._alias) / sizeof(SkScalar) } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 120 | |
| 121 | #define SK_MEMBER_ARRAY(_member, _type) \ |
| 122 | { #_member, SK_OFFSETOF(BASE_CLASS, _member), SkType_Array, \ |
| 123 | (int) SkType_##_type } |
| 124 | |
| 125 | #define SK_MEMBER_INHERITED \ |
| 126 | { (const char*) INHERITED::fInfo, 0, SkType_BaseClassInfo, INHERITED::fInfoCount } |
| 127 | |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 128 | // #define SK_MEMBER_KEY_TYPE(_member, _type) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 129 | // {#_member, (size_t) -1, SkType_##_type, 0} |
| 130 | |
| 131 | #define SK_FUNCTION(_member) \ |
| 132 | k_##_member##Function |
| 133 | |
| 134 | #define SK_PROPERTY(_member) \ |
| 135 | k_##_member##Property |
| 136 | |
| 137 | #define SK_MEMBER_DYNAMIC_FUNCTION(_member, _type) \ |
| 138 | {#_member, (size_t) (+1 + SK_FUNCTION(_member)), SkType_MemberFunction, \ |
| 139 | (int) SkType_##_type } |
| 140 | |
| 141 | #define SK_MEMBER_DYNAMIC_PROPERTY(_member, _type) \ |
| 142 | {#_member, (size_t) (1 + SK_PROPERTY(_member)), SkType_MemberProperty, \ |
| 143 | (int) SkType_##_type } |
| 144 | |
| 145 | #define SK_MEMBER_FUNCTION(_member, _type) \ |
| 146 | {#_member, (size_t) (-1 - SK_FUNCTION(_member)), SkType_MemberFunction, \ |
| 147 | (int) SkType_##_type } |
| 148 | |
| 149 | #define SK_MEMBER_PROPERTY(_member, _type) \ |
| 150 | {#_member, (size_t) (-1 - SK_PROPERTY(_member)), SkType_MemberProperty, \ |
| 151 | (int) SkType_##_type } |
| 152 | |
| 153 | #if SK_USE_CONDENSED_INFO == 0 |
| 154 | |
| 155 | #define DECLARE_PRIVATE_MEMBER_INFO(_type) \ |
| 156 | public: \ |
| 157 | static const SkMemberInfo fInfo[]; \ |
| 158 | static const int fInfoCount; \ |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 159 | const SkMemberInfo* getMember(int index) override; \ |
| 160 | const SkMemberInfo* getMember(const char name[]) override; \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 161 | typedef Sk##_type BASE_CLASS |
| 162 | |
| 163 | #define DECLARE_MEMBER_INFO(_type) \ |
| 164 | public: \ |
| 165 | static const SkMemberInfo fInfo[]; \ |
| 166 | static const int fInfoCount; \ |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 167 | const SkMemberInfo* getMember(int index) override; \ |
| 168 | const SkMemberInfo* getMember(const char name[]) override; \ |
| 169 | SkDisplayTypes getType() const override { return SkType_##_type; } \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 170 | typedef Sk##_type BASE_CLASS |
| 171 | |
| 172 | #define DECLARE_DRAW_MEMBER_INFO(_type) \ |
| 173 | public: \ |
| 174 | static const SkMemberInfo fInfo[]; \ |
| 175 | static const int fInfoCount; \ |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 176 | const SkMemberInfo* getMember(int index) override; \ |
| 177 | const SkMemberInfo* getMember(const char name[]) override; \ |
| 178 | SkDisplayTypes getType() const override { return SkType_##_type; } \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 179 | typedef SkDraw##_type BASE_CLASS |
| 180 | |
| 181 | #define DECLARE_DISPLAY_MEMBER_INFO(_type) \ |
| 182 | public: \ |
| 183 | static const SkMemberInfo fInfo[]; \ |
| 184 | static const int fInfoCount; \ |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 185 | const SkMemberInfo* getMember(int index) override; \ |
| 186 | const SkMemberInfo* getMember(const char name[]) override; \ |
| 187 | SkDisplayTypes getType() const override { return SkType_##_type; } \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 188 | typedef SkDisplay##_type BASE_CLASS |
| 189 | |
| 190 | #define DECLARE_EMPTY_MEMBER_INFO(_type) \ |
| 191 | public: \ |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 192 | SkDisplayTypes getType() const override { return SkType_##_type; } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 193 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 194 | #define DECLARE_EXTRAS_MEMBER_INFO(_type) \ |
| 195 | public: \ |
| 196 | static const SkMemberInfo fInfo[]; \ |
| 197 | static const int fInfoCount; \ |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 198 | const SkMemberInfo* getMember(int index) override; \ |
| 199 | const SkMemberInfo* getMember(const char name[]) override; \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 200 | SkDisplayTypes fType; \ |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 201 | SkDisplayTypes getType() const override { return fType; } \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 202 | typedef _type BASE_CLASS |
| 203 | |
| 204 | #define DECLARE_NO_VIRTUALS_MEMBER_INFO(_type) \ |
| 205 | public: \ |
| 206 | static const SkMemberInfo fInfo[]; \ |
| 207 | static const int fInfoCount; \ |
| 208 | typedef Sk##_type BASE_CLASS |
| 209 | |
| 210 | #define DEFINE_GET_MEMBER(_class) \ |
| 211 | const SkMemberInfo* _class::getMember(int index) { \ |
| 212 | const SkMemberInfo* result = SkMemberInfo::Find(fInfo, SK_ARRAY_COUNT(fInfo), &index); \ |
| 213 | return result; \ |
| 214 | } \ |
| 215 | const SkMemberInfo* _class::getMember(const char name[]) { \ |
| 216 | const SkMemberInfo* result = SkMemberInfo::Find(fInfo, SK_ARRAY_COUNT(fInfo), &name); \ |
| 217 | return result; \ |
| 218 | } \ |
| 219 | const int _class::fInfoCount = SK_ARRAY_COUNT(fInfo) |
| 220 | |
| 221 | #define DEFINE_NO_VIRTUALS_GET_MEMBER(_class) \ |
| 222 | const int _class::fInfoCount = SK_ARRAY_COUNT(fInfo) |
| 223 | |
| 224 | #else |
| 225 | |
| 226 | #define DECLARE_PRIVATE_MEMBER_INFO(_type) \ |
| 227 | public: \ |
| 228 | typedef Sk##_type BASE_CLASS |
| 229 | |
| 230 | #define DECLARE_MEMBER_INFO(_type) \ |
| 231 | public: \ |
| 232 | virtual const SkMemberInfo* getMember(int index) { \ |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 233 | return SkDisplayType::GetMember(nullptr, SkType_##_type, &index); } \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 234 | virtual const SkMemberInfo* getMember(const char name[]) { \ |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 235 | return SkDisplayType::GetMember(nullptr, SkType_##_type, &name); } \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 236 | virtual SkDisplayTypes getType() const { return SkType_##_type; } \ |
| 237 | typedef Sk##_type BASE_CLASS |
| 238 | |
| 239 | #define DECLARE_DRAW_MEMBER_INFO(_type) \ |
| 240 | public: \ |
| 241 | virtual const SkMemberInfo* getMember(int index) { \ |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 242 | return SkDisplayType::GetMember(nullptr, SkType_##_type, &index); } \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 243 | virtual const SkMemberInfo* getMember(const char name[]) { \ |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 244 | return SkDisplayType::GetMember(nullptr, SkType_##_type, &name); } \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 245 | virtual SkDisplayTypes getType() const { return SkType_##_type; } \ |
| 246 | typedef SkDraw##_type BASE_CLASS |
| 247 | |
| 248 | #define DECLARE_DISPLAY_MEMBER_INFO(_type) \ |
| 249 | public: \ |
| 250 | virtual const SkMemberInfo* getMember(int index) { \ |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 251 | return SkDisplayType::GetMember(nullptr, SkType_##_type, &index); } \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 252 | virtual const SkMemberInfo* getMember(const char name[]) { \ |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 253 | return SkDisplayType::GetMember(nullptr, SkType_##_type, &name); } \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 254 | virtual SkDisplayTypes getType() const { return SkType_##_type; } \ |
| 255 | typedef SkDisplay##_type BASE_CLASS |
| 256 | |
| 257 | #define DECLARE_EXTRAS_MEMBER_INFO(_type) \ |
| 258 | public: \ |
| 259 | virtual const SkMemberInfo* getMember(int index) { \ |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 260 | return SkDisplayType::GetMember(nullptr, SkType_##_type, &index); } \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 261 | virtual const SkMemberInfo* getMember(const char name[]) { \ |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 262 | return SkDisplayType::GetMember(nullptr, fType, &name); } \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 263 | SkDisplayTypes fType; \ |
| 264 | virtual SkDisplayTypes getType() const { return fType; } \ |
| 265 | typedef _type BASE_CLASS |
| 266 | |
| 267 | #define DECLARE_NO_VIRTUALS_MEMBER_INFO(_type) \ |
| 268 | public: \ |
| 269 | typedef Sk##_type BASE_CLASS |
| 270 | |
| 271 | #define DEFINE_GET_MEMBER(_class) |
| 272 | #define DEFINE_NO_VIRTUALS_GET_MEMBER(_class) |
| 273 | |
| 274 | #endif |
| 275 | |
| 276 | #endif // SkMemberInfo_DEFINED |