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Side by Side Diff: src/core/SkRecords.h

Issue 1130333002: Revert of Sketch splitting SkPicture into an interface and SkBigPicture. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 7 months ago
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1 /* 1 /*
2 * Copyright 2014 Google Inc. 2 * Copyright 2014 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #ifndef SkRecords_DEFINED 8 #ifndef SkRecords_DEFINED
9 #define SkRecords_DEFINED 9 #define SkRecords_DEFINED
10 10
(...skipping 63 matching lines...) Expand 10 before | Expand all | Expand 10 after
74 static const Type kType = T##_Type; \ 74 static const Type kType = T##_Type; \
75 }; 75 };
76 76
77 // We try to be flexible about the types the constructors take. Instead of requ ring the exact type 77 // We try to be flexible about the types the constructors take. Instead of requ ring the exact type
78 // A here, we take any type Z which implicitly casts to A. This allows the dela y_copy() trick to 78 // A here, we take any type Z which implicitly casts to A. This allows the dela y_copy() trick to
79 // work, allowing the caller to decide whether to pass by value or by const&. 79 // work, allowing the caller to decide whether to pass by value or by const&.
80 80
81 #define RECORD1(T, A, a) \ 81 #define RECORD1(T, A, a) \
82 struct T { \ 82 struct T { \
83 static const Type kType = T##_Type; \ 83 static const Type kType = T##_Type; \
84 T() {} \
85 template <typename Z> \ 84 template <typename Z> \
86 T(Z a) : a(a) {} \ 85 T(Z a) : a(a) {} \
87 A a; \ 86 A a; \
88 }; 87 };
89 88
90 #define RECORD2(T, A, a, B, b) \ 89 #define RECORD2(T, A, a, B, b) \
91 struct T { \ 90 struct T { \
92 static const Type kType = T##_Type; \ 91 static const Type kType = T##_Type; \
93 T() {} \
94 template <typename Z, typename Y> \ 92 template <typename Z, typename Y> \
95 T(Z a, Y b) : a(a), b(b) {} \ 93 T(Z a, Y b) : a(a), b(b) {} \
96 A a; B b; \ 94 A a; B b; \
97 }; 95 };
98 96
99 #define RECORD3(T, A, a, B, b, C, c) \ 97 #define RECORD3(T, A, a, B, b, C, c) \
100 struct T { \ 98 struct T { \
101 static const Type kType = T##_Type; \ 99 static const Type kType = T##_Type; \
102 T() {} \
103 template <typename Z, typename Y, typename X> \ 100 template <typename Z, typename Y, typename X> \
104 T(Z a, Y b, X c) : a(a), b(b), c(c) {} \ 101 T(Z a, Y b, X c) : a(a), b(b), c(c) {} \
105 A a; B b; C c; \ 102 A a; B b; C c; \
106 }; 103 };
107 104
108 #define RECORD4(T, A, a, B, b, C, c, D, d) \ 105 #define RECORD4(T, A, a, B, b, C, c, D, d) \
109 struct T { \ 106 struct T { \
110 static const Type kType = T##_Type; \ 107 static const Type kType = T##_Type; \
111 T() {} \
112 template <typename Z, typename Y, typename X, typename W> \ 108 template <typename Z, typename Y, typename X, typename W> \
113 T(Z a, Y b, X c, W d) : a(a), b(b), c(c), d(d) {} \ 109 T(Z a, Y b, X c, W d) : a(a), b(b), c(c), d(d) {} \
114 A a; B b; C c; D d; \ 110 A a; B b; C c; D d; \
115 }; 111 };
116 112
117 #define RECORD5(T, A, a, B, b, C, c, D, d, E, e) \ 113 #define RECORD5(T, A, a, B, b, C, c, D, d, E, e) \
118 struct T { \ 114 struct T { \
119 static const Type kType = T##_Type; \ 115 static const Type kType = T##_Type; \
120 T() {} \
121 template <typename Z, typename Y, typename X, typename W, typename V> \ 116 template <typename Z, typename Y, typename X, typename W, typename V> \
122 T(Z a, Y b, X c, W d, V e) : a(a), b(b), c(c), d(d), e(e) {} \ 117 T(Z a, Y b, X c, W d, V e) : a(a), b(b), c(c), d(d), e(e) {} \
123 A a; B b; C c; D d; E e; \ 118 A a; B b; C c; D d; E e; \
124 }; 119 };
125 120
126 #define ACT_AS_PTR(ptr) \ 121 #define ACT_AS_PTR(ptr) \
127 operator T*() const { return ptr; } \ 122 operator T*() const { return ptr; } \
128 T* operator->() const { return ptr; } 123 T* operator->() const { return ptr; }
129 124
130 template <typename T> 125 template <typename T>
131 class RefBox : SkNoncopyable { 126 class RefBox : SkNoncopyable {
132 public: 127 public:
133 RefBox() {}
134 RefBox(T* obj) : fObj(SkSafeRef(obj)) {} 128 RefBox(T* obj) : fObj(SkSafeRef(obj)) {}
135 ~RefBox() { SkSafeUnref(fObj); } 129 ~RefBox() { SkSafeUnref(fObj); }
136 130
137 ACT_AS_PTR(fObj); 131 ACT_AS_PTR(fObj);
138 132
139 private: 133 private:
140 T* fObj; 134 T* fObj;
141 }; 135 };
142 136
143 // An Optional doesn't own the pointer's memory, but may need to destroy non-POD data. 137 // An Optional doesn't own the pointer's memory, but may need to destroy non-POD data.
144 template <typename T> 138 template <typename T>
145 class Optional : SkNoncopyable { 139 class Optional : SkNoncopyable {
146 public: 140 public:
147 Optional() : fPtr(nullptr) {}
148 Optional(T* ptr) : fPtr(ptr) {} 141 Optional(T* ptr) : fPtr(ptr) {}
149 ~Optional() { if (fPtr) fPtr->~T(); } 142 ~Optional() { if (fPtr) fPtr->~T(); }
150 143
151 ACT_AS_PTR(fPtr); 144 ACT_AS_PTR(fPtr);
152 private: 145 private:
153 T* fPtr; 146 T* fPtr;
154 }; 147 };
155 148
156 // Like Optional, but ptr must not be NULL. 149 // Like Optional, but ptr must not be NULL.
157 template <typename T> 150 template <typename T>
158 class Adopted : SkNoncopyable { 151 class Adopted : SkNoncopyable {
159 public: 152 public:
160 Adopted(T* ptr) : fPtr(ptr) { SkASSERT(fPtr); } 153 Adopted(T* ptr) : fPtr(ptr) { SkASSERT(fPtr); }
161 Adopted(Adopted* source) { 154 Adopted(Adopted* source) {
162 // Transfer ownership from source to this. 155 // Transfer ownership from source to this.
163 fPtr = source->fPtr; 156 fPtr = source->fPtr;
164 source->fPtr = NULL; 157 source->fPtr = NULL;
165 } 158 }
166 ~Adopted() { if (fPtr) fPtr->~T(); } 159 ~Adopted() { if (fPtr) fPtr->~T(); }
167 160
168 ACT_AS_PTR(fPtr); 161 ACT_AS_PTR(fPtr);
169 private: 162 private:
170 T* fPtr; 163 T* fPtr;
171 }; 164 };
172 165
173 // PODArray doesn't own the pointer's memory, and we assume the data is POD. 166 // PODArray doesn't own the pointer's memory, and we assume the data is POD.
174 template <typename T> 167 template <typename T>
175 class PODArray { 168 class PODArray {
176 public: 169 public:
177 PODArray() {}
178 PODArray(T* ptr) : fPtr(ptr) {} 170 PODArray(T* ptr) : fPtr(ptr) {}
179 // Default copy and assign. 171 // Default copy and assign.
180 172
181 ACT_AS_PTR(fPtr); 173 ACT_AS_PTR(fPtr);
182 private: 174 private:
183 T* fPtr; 175 T* fPtr;
184 }; 176 };
185 177
186 #undef ACT_AS_PTR 178 #undef ACT_AS_PTR
187 179
188 // Like SkBitmap, but deep copies pixels if they're not immutable. 180 // Like SkBitmap, but deep copies pixels if they're not immutable.
189 // Using this, we guarantee the immutability of all bitmaps we record. 181 // Using this, we guarantee the immutability of all bitmaps we record.
190 class ImmutableBitmap : SkNoncopyable { 182 class ImmutableBitmap : SkNoncopyable {
191 public: 183 public:
192 ImmutableBitmap() {}
193 explicit ImmutableBitmap(const SkBitmap& bitmap) { 184 explicit ImmutableBitmap(const SkBitmap& bitmap) {
194 if (bitmap.isImmutable()) { 185 if (bitmap.isImmutable()) {
195 fBitmap = bitmap; 186 fBitmap = bitmap;
196 } else { 187 } else {
197 bitmap.copyTo(&fBitmap); 188 bitmap.copyTo(&fBitmap);
198 } 189 }
199 fBitmap.setImmutable(); 190 fBitmap.setImmutable();
200 } 191 }
201 192
202 int width() const { return fBitmap.width(); } 193 int width() const { return fBitmap.width(); }
203 int height() const { return fBitmap.height(); } 194 int height() const { return fBitmap.height(); }
204 195
205 // While the pixels are immutable, SkBitmap itself is not thread-safe, so re turn a copy. 196 // While the pixels are immutable, SkBitmap itself is not thread-safe, so re turn a copy.
206 SkBitmap shallowCopy() const { return fBitmap; } 197 SkBitmap shallowCopy() const { return fBitmap; }
207 private: 198 private:
208 SkBitmap fBitmap; 199 SkBitmap fBitmap;
209 }; 200 };
210 201
211 // SkPath::getBounds() isn't thread safe unless we precache the bounds in a sing lethreaded context. 202 // SkPath::getBounds() isn't thread safe unless we precache the bounds in a sing lethreaded context.
212 // SkPath::cheapComputeDirection() is similar. 203 // SkPath::cheapComputeDirection() is similar.
213 // Recording is a convenient time to cache these, or we can delay it to between record and playback. 204 // Recording is a convenient time to cache these, or we can delay it to between record and playback.
214 struct PreCachedPath : public SkPath { 205 struct PreCachedPath : public SkPath {
215 PreCachedPath() {}
216 explicit PreCachedPath(const SkPath& path) : SkPath(path) { 206 explicit PreCachedPath(const SkPath& path) : SkPath(path) {
217 this->updateBoundsCache(); 207 this->updateBoundsCache();
218 SkPath::Direction junk; 208 SkPath::Direction junk;
219 (void)this->cheapComputeDirection(&junk); 209 (void)this->cheapComputeDirection(&junk);
220 } 210 }
221 }; 211 };
222 212
223 // Like SkPath::getBounds(), SkMatrix::getType() isn't thread safe unless we pre cache it. 213 // Like SkPath::getBounds(), SkMatrix::getType() isn't thread safe unless we pre cache it.
224 // This may not cover all SkMatrices used by the picture (e.g. some could be hid ing in a shader). 214 // This may not cover all SkMatrices used by the picture (e.g. some could be hid ing in a shader).
225 struct TypedMatrix : public SkMatrix { 215 struct TypedMatrix : public SkMatrix {
226 TypedMatrix() {}
227 explicit TypedMatrix(const SkMatrix& matrix) : SkMatrix(matrix) { 216 explicit TypedMatrix(const SkMatrix& matrix) : SkMatrix(matrix) {
228 (void)this->getType(); 217 (void)this->getType();
229 } 218 }
230 }; 219 };
231 220
232 RECORD0(NoOp); 221 RECORD0(NoOp);
233 222
234 RECORD2(Restore, SkIRect, devBounds, TypedMatrix, matrix); 223 RECORD2(Restore, SkIRect, devBounds, TypedMatrix, matrix);
235 RECORD0(Save); 224 RECORD0(Save);
236 RECORD3(SaveLayer, Optional<SkRect>, bounds, Optional<SkPaint>, paint, SkCanvas: :SaveFlags, flags); 225 RECORD3(SaveLayer, Optional<SkRect>, bounds, Optional<SkPaint>, paint, SkCanvas: :SaveFlags, flags);
237 226
238 RECORD1(SetMatrix, TypedMatrix, matrix); 227 RECORD1(SetMatrix, TypedMatrix, matrix);
239 228
240 struct RegionOpAndAA { 229 struct RegionOpAndAA {
241 RegionOpAndAA() {}
242 RegionOpAndAA(SkRegion::Op op, bool aa) : op(op), aa(aa) {} 230 RegionOpAndAA(SkRegion::Op op, bool aa) : op(op), aa(aa) {}
243 SkRegion::Op op : 31; // This really only needs to be 3, but there's no win today to do so. 231 SkRegion::Op op : 31; // This really only needs to be 3, but there's no win today to do so.
244 unsigned aa : 1; // MSVC won't pack an enum with an bool, so we call t his an unsigned. 232 unsigned aa : 1; // MSVC won't pack an enum with an bool, so we call t his an unsigned.
245 }; 233 };
246 SK_COMPILE_ASSERT(sizeof(RegionOpAndAA) == 4, RegionOpAndAASize); 234 SK_COMPILE_ASSERT(sizeof(RegionOpAndAA) == 4, RegionOpAndAASize);
247 235
248 RECORD3(ClipPath, SkIRect, devBounds, PreCachedPath, path, RegionOpAndAA, opA A); 236 RECORD3(ClipPath, SkIRect, devBounds, PreCachedPath, path, RegionOpAndAA, opA A);
249 RECORD3(ClipRRect, SkIRect, devBounds, SkRRect, rrect, RegionOpAndAA, opA A); 237 RECORD3(ClipRRect, SkIRect, devBounds, SkRRect, rrect, RegionOpAndAA, opA A);
250 RECORD3(ClipRect, SkIRect, devBounds, SkRect, rect, RegionOpAndAA, opA A); 238 RECORD3(ClipRect, SkIRect, devBounds, SkRect, rect, RegionOpAndAA, opA A);
251 RECORD3(ClipRegion, SkIRect, devBounds, SkRegion, region, SkRegion::Op, o p); 239 RECORD3(ClipRegion, SkIRect, devBounds, SkRegion, region, SkRegion::Op, o p);
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358 #undef RECORD0 346 #undef RECORD0
359 #undef RECORD1 347 #undef RECORD1
360 #undef RECORD2 348 #undef RECORD2
361 #undef RECORD3 349 #undef RECORD3
362 #undef RECORD4 350 #undef RECORD4
363 #undef RECORD5 351 #undef RECORD5
364 352
365 } // namespace SkRecords 353 } // namespace SkRecords
366 354
367 #endif//SkRecords_DEFINED 355 #endif//SkRecords_DEFINED
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