/*

 * Copyright 2015 Google Inc.

 *

 * Use of this source code is governed by a BSD-style license that can be

 * found in the LICENSE file.

 */

#ifndef GrDistanceFieldAdjustTable_DEFINED

#define GrDistanceFieldAdjustTable_DEFINED

#include "include/core/SkScalar.h"

// Distance field text needs this table to compute a value for use in the fragment shader.

class GrDistanceFieldAdjustTable {

public:

    static const GrDistanceFieldAdjustTable* Get();

    ~GrDistanceFieldAdjustTable() {

        delete[] fTable;

        delete[] fGammaCorrectTable;

    }

    SkScalar getAdjustment(int i, bool useGammaCorrectTable) const {

        return useGammaCorrectTable ? fGammaCorrectTable[i] : fTable[i];

    }

private:

    GrDistanceFieldAdjustTable();

    SkScalar* fTable;

    SkScalar* fGammaCorrectTable;

};

#endif