make SkComposeShader.h private

include/core/SkComposeShader.h

Index: include/core/SkComposeShader.h
diff --git a/include/core/SkComposeShader.h b/include/core/SkComposeShader.h
deleted file mode 100644
index bc9d932ee5f28f6d8293a3946c3235b13f84ac2c..0000000000000000000000000000000000000000
--- a/include/core/SkComposeShader.h
+++ /dev/null
@@ -1,90 +0,0 @@
-
-/*
- * Copyright 2006 The Android Open Source Project
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-
-#ifndef SkComposeShader_DEFINED
-#define SkComposeShader_DEFINED
-
-#include "SkShader.h"
-
-class SkXfermode;
-
-///////////////////////////////////////////////////////////////////////////////////////////
-
-/** \class SkComposeShader
-    This subclass of shader returns the composition of two other shaders, combined by
-    a xfermode.
-*/
-class SK_API SkComposeShader : public SkShader {
-public:
-    /** Create a new compose shader, given shaders A, B, and a combining xfermode mode.
-        When the xfermode is called, it will be given the result from shader A as its
-        "dst", and the result from shader B as its "src".
-        mode->xfer32(sA_result, sB_result, ...)
-        @param shaderA  The colors from this shader are seen as the "dst" by the xfermode
-        @param shaderB  The colors from this shader are seen as the "src" by the xfermode
-        @param mode     The xfermode that combines the colors from the two shaders. If mode
-                        is null, then SRC_OVER is assumed.
-    */
-    SkComposeShader(SkShader* sA, SkShader* sB, SkXfermode* mode = NULL);
-    virtual ~SkComposeShader();
-
-    size_t contextSize() const override;
-
-#if SK_SUPPORT_GPU
-    const GrFragmentProcessor*  asFragmentProcessor(GrContext*,
-                                                    const SkMatrix& viewM,
-                                                    const SkMatrix* localMatrix,
-                                                    SkFilterQuality) const override;
-#endif
-
-    class ComposeShaderContext : public SkShader::Context {
-    public:
-        // When this object gets destroyed, it will call contextA and contextB's destructor
-        // but it will NOT free the memory.
-        ComposeShaderContext(const SkComposeShader&, const ContextRec&,
-                             SkShader::Context* contextA, SkShader::Context* contextB);
-
-        SkShader::Context* getShaderContextA() const { return fShaderContextA; }
-        SkShader::Context* getShaderContextB() const { return fShaderContextB; }
-
-        virtual ~ComposeShaderContext();
-
-        void shadeSpan(int x, int y, SkPMColor[], int count) override;
-
-    private:
-        SkShader::Context* fShaderContextA;
-        SkShader::Context* fShaderContextB;
-
-        typedef SkShader::Context INHERITED;
-    };
-
-#ifdef SK_DEBUG
-    SkShader* getShaderA() { return fShaderA; }
-    SkShader* getShaderB() { return fShaderB; }
-#endif
-
-    bool asACompose(ComposeRec* rec) const override;
-
-    SK_TO_STRING_OVERRIDE()
-    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposeShader)
-
-protected:
-    SkComposeShader(SkReadBuffer& );
-    void flatten(SkWriteBuffer&) const override;
-    Context* onCreateContext(const ContextRec&, void*) const override;
-
-private:
-    SkShader*   fShaderA;
-    SkShader*   fShaderB;
-    SkXfermode* fMode;
-
-    typedef SkShader INHERITED;
-};
-
-#endif