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1 /* | |
2 * Copyright 2015 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #ifndef GrDistanceFieldAdjustTable_DEFINED | |
9 #define GrDistanceFieldAdjustTable_DEFINED | |
10 | |
11 #include "SkRefCnt.h" | |
12 #include "SkScalar.h" | |
13 | |
14 // Distance field text needs this table to compute a value for use in the fragme
nt shader. | |
15 // Because the GrAtlasTextContext can go out of scope before the final flush, th
is needs to be | |
16 // refcnted and malloced | |
17 struct GrDistanceFieldAdjustTable : public SkNVRefCnt<GrDistanceFieldAdjustTable
> { | |
18 GrDistanceFieldAdjustTable() { this->buildDistanceAdjustTable(); } | |
19 ~GrDistanceFieldAdjustTable() { delete[] fTable; } | |
20 | |
21 const SkScalar& operator[] (int i) const { | |
22 return fTable[i]; | |
23 } | |
24 | |
25 private: | |
26 void buildDistanceAdjustTable(); | |
27 | |
28 SkScalar* fTable; | |
29 }; | |
30 | |
31 #endif | |
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