Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017 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 SkColorSpaceXformer_DEFINED |
| 9 | #define SkColorSpaceXformer_DEFINED |
| 10 | |
Stan Iliev | 45fd995 | 2017-12-18 14:46:30 -0500 | [diff] [blame] | 11 | #include "SkCanvas.h" |
Florin Malita | 39e0855 | 2017-07-06 14:16:18 -0400 | [diff] [blame] | 12 | #include "SkColor.h" |
Mike Klein | c857956 | 2018-08-07 13:21:21 -0400 | [diff] [blame^] | 13 | #include "SkColorSpaceXformSteps.h" |
| 14 | #include "SkRasterPipeline.h" |
Florin Malita | 39e0855 | 2017-07-06 14:16:18 -0400 | [diff] [blame] | 15 | #include "SkRefCnt.h" |
| 16 | #include "SkTHash.h" |
Mike Klein | c857956 | 2018-08-07 13:21:21 -0400 | [diff] [blame^] | 17 | #include "../jumper/SkJumper.h" |
Florin Malita | 39e0855 | 2017-07-06 14:16:18 -0400 | [diff] [blame] | 18 | |
| 19 | class SkBitmap; |
| 20 | class SkColorFilter; |
| 21 | class SkColorSpace; |
| 22 | class SkColorSpaceXform; |
| 23 | class SkImage; |
| 24 | class SkImageFilter; |
| 25 | class SkPaint; |
| 26 | class SkShader; |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 27 | |
| 28 | class SkColorSpaceXformer : public SkNoncopyable { |
| 29 | public: |
| 30 | static std::unique_ptr<SkColorSpaceXformer> Make(sk_sp<SkColorSpace> dst); |
| 31 | |
Florin Malita | 39e0855 | 2017-07-06 14:16:18 -0400 | [diff] [blame] | 32 | ~SkColorSpaceXformer(); |
| 33 | |
Mike Klein | 2814d91 | 2017-05-10 12:35:51 -0400 | [diff] [blame] | 34 | sk_sp<SkImage> apply(const SkImage*); |
| 35 | sk_sp<SkImage> apply(const SkBitmap&); |
| 36 | sk_sp<SkColorFilter> apply(const SkColorFilter*); |
| 37 | sk_sp<SkImageFilter> apply(const SkImageFilter*); |
| 38 | sk_sp<SkShader> apply(const SkShader*); |
| 39 | SkPaint apply(const SkPaint&); |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 40 | void apply(SkColor dst[], const SkColor src[], int n); |
Matt Sarett | 6d72ed9 | 2017-04-10 16:35:33 -0400 | [diff] [blame] | 41 | SkColor apply(SkColor srgb); |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 42 | |
Matt Sarett | e22a6a2 | 2017-04-12 16:26:21 -0400 | [diff] [blame] | 43 | sk_sp<SkColorSpace> dst() const { return fDst; } |
| 44 | |
Stan Iliev | 45fd995 | 2017-12-18 14:46:30 -0500 | [diff] [blame] | 45 | SkCanvas::Lattice apply(const SkCanvas::Lattice&, SkColor*, int); |
| 46 | |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 47 | private: |
Mike Klein | c857956 | 2018-08-07 13:21:21 -0400 | [diff] [blame^] | 48 | #ifdef SK_LEGACY_COLORSPACE_XFORMER_IMPL |
Florin Malita | 24a2ecf | 2017-07-06 15:12:12 -0400 | [diff] [blame] | 49 | SkColorSpaceXformer(sk_sp<SkColorSpace> dst, std::unique_ptr<SkColorSpaceXform> fromSRGB); |
Mike Klein | c857956 | 2018-08-07 13:21:21 -0400 | [diff] [blame^] | 50 | #else |
| 51 | explicit SkColorSpaceXformer(sk_sp<SkColorSpace> dst); |
| 52 | #endif |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 53 | |
Florin Malita | 5449aad | 2017-07-10 11:14:40 -0400 | [diff] [blame] | 54 | template <typename T> |
| 55 | using Cache = SkTHashMap<sk_sp<T>, sk_sp<T>>; |
| 56 | |
| 57 | template <typename T> |
| 58 | sk_sp<T> cachedApply(const T*, Cache<T>*, sk_sp<T> (*)(const T*, SkColorSpaceXformer*)); |
| 59 | |
| 60 | void purgeCaches(); |
| 61 | |
| 62 | class AutoCachePurge; |
| 63 | |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 64 | sk_sp<SkColorSpace> fDst; |
Mike Klein | c857956 | 2018-08-07 13:21:21 -0400 | [diff] [blame^] | 65 | #ifdef SK_LEGACY_COLORSPACE_XFORMER_IMPL |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 66 | std::unique_ptr<SkColorSpaceXform> fFromSRGB; |
Mike Klein | c857956 | 2018-08-07 13:21:21 -0400 | [diff] [blame^] | 67 | #else |
| 68 | SkSTArenaAlloc<256> fAlloc; |
| 69 | std::function<void(size_t, size_t, size_t, size_t)> fFromSRGB; |
| 70 | SkColorSpaceXformSteps fFromSRGBSteps; |
| 71 | SkJumper_MemoryCtx fFromSRGBSrc{nullptr,0}; |
| 72 | SkJumper_MemoryCtx fFromSRGBDst{nullptr,0}; |
| 73 | #endif |
Florin Malita | 39e0855 | 2017-07-06 14:16:18 -0400 | [diff] [blame] | 74 | |
Florin Malita | 5449aad | 2017-07-10 11:14:40 -0400 | [diff] [blame] | 75 | size_t fReentryCount; // tracks the number of nested apply() calls for cache purging. |
| 76 | |
| 77 | Cache<SkImage > fImageCache; |
| 78 | Cache<SkColorFilter> fColorFilterCache; |
| 79 | Cache<SkImageFilter> fImageFilterCache; |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 80 | }; |
| 81 | |
| 82 | #endif |