Reland "start cleaning up non-skcms SkColorSpaceXforms"

This is a reland of 339133f82c30cd3080672db28e6f72c894cba05a

Original change's description:
> start cleaning up non-skcms SkColorSpaceXforms
> 
> I think this gets rid of
>   - SkColorSpaceXform_Base
>   - SkColorSpaceXform_XYZ
>   - SkColorSpaceXform_A2B
> and lots of support code.  Might be more left to clean up?
> 
> Change-Id: I560d974d1e879dfd6a63ee2244a3dd88bd495c8a
> Reviewed-on: https://skia-review.googlesource.com/129512
> Commit-Queue: Brian Osman <brianosman@google.com>
> Auto-Submit: Mike Klein <mtklein@chromium.org>
> Reviewed-by: Brian Osman <brianosman@google.com>

Change-Id: I33ee0d8bcfd72c401823a2e7d5168c9ecc9a5181
Reviewed-on: https://skia-review.googlesource.com/129624
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>

1 files changed, 0 insertions, 79 deletions

diff --git a/src/core/SkColorSpaceXform_Base.h b/src/core/SkColorSpaceXform_Base.h
deleted file mode 100644
index 2e0202360e..0000000000
--- a/src/core/SkColorSpaceXform_Base.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SkColorSpaceXform_Base_DEFINED
-#define SkColorSpaceXform_Base_DEFINED
-
-#include "SkColorSpace.h"
-#include "SkColorSpaceXform.h"
-#include "SkTemplates.h"
-
-class SkColorSpace_XYZ;
-
-class SkColorSpaceXform_Base {
-public:
-    // A somewhat more powerful SkColorSpaceXform::New() that allows tweaking premulBehavior.
-    static std::unique_ptr<SkColorSpaceXform> New(SkColorSpace* srcSpace,
-                                                  SkColorSpace* dstSpace,
-                                                  SkTransferFunctionBehavior premulBehavior);
-
-    static constexpr int kDstGammaTableSize = 1024;
-    static void BuildDstGammaTables(const uint8_t* outGammaTables[3],
-                                    uint8_t* gammaTableStorage,
-                                    const SkColorSpace_XYZ* space,
-                                    bool gammasAreMatching);
-};
-
-class SkColorSpaceXform_XYZ : public SkColorSpaceXform {
-public:
-    SkColorSpaceXform_XYZ(SkColorSpace_XYZ* src, SkColorSpace_XYZ* dst, SkTransferFunctionBehavior);
-
-    bool apply(ColorFormat dstFormat, void* dst,
-               ColorFormat srcFormat, const void* src,
-               int count, SkAlphaType alphaType) const override;
-
-    void pretendNotToBeIdentityForTesting() {
-        fSrcToDstIsIdentity = false;
-    }
-
-private:
-    enum SrcGamma {
-        kLinear_SrcGamma,
-        kTable_SrcGamma,
-        kSRGB_SrcGamma,
-    };
-
-    enum DstGamma {
-        kLinear_DstGamma,
-        kSRGB_DstGamma,
-        k2Dot2_DstGamma,
-        kTable_DstGamma,
-    };
-
-    // These tables pointers may point into fSrcStorage/fDstStorage or into pre-baked tables.
-    const float*               fSrcGammaTables[3];
-    const uint8_t*             fDstGammaTables[3];
-    SkAutoTMalloc<float>       fSrcStorage;
-    sk_sp<SkData>              fDstStorage;
-
-    float                      fSrcToDst[12];
-    bool                       fSrcToDstIsIdentity;
-    bool                       fColorSpacesAreIdentical;
-    SrcGamma                   fSrcGamma;
-    DstGamma                   fDstGamma;
-    SkTransferFunctionBehavior fPremulBehavior;
-};
-
-// For testing.  Bypasses opts for when src and dst color spaces are equal.
-std::unique_ptr<SkColorSpaceXform> SlowIdentityXform(SkColorSpace_XYZ* space);
-
-#if defined(SK_USE_SKCMS)
-std::unique_ptr<SkColorSpaceXform> MakeSkcmsXform(SkColorSpace* src, SkColorSpace* dst,
-                                                  SkTransferFunctionBehavior premulBehavior);
-#endif
-
-#endif