include/effects/SkBlurMaskFilter.h

/*
 * 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 SkBlurMaskFilter_DEFINED
#define SkBlurMaskFilter_DEFINED

// we include this since our callers will need to at least be able to ref/unref
#include "SkMaskFilter.h"
#include "SkRect.h"
#include "SkScalar.h"
#include "SkBlurTypes.h"

class SkRRect;

class SK_API SkBlurMaskFilter {
public:
#ifdef SK_SUPPORT_LEGACY_EMBOSSMASKFILTER
    /** Create an emboss maskfilter
        @param blurSigma    standard deviation of the Gaussian blur to apply
                            before applying lighting (e.g. 3)
        @param direction    array of 3 scalars [x, y, z] specifying the direction of the light source
        @param ambient      0...1 amount of ambient light
        @param specular     coefficient for specular highlights (e.g. 8)
        @return the emboss maskfilter
    */
    static sk_sp<SkMaskFilter> MakeEmboss(SkScalar blurSigma, const SkScalar direction[3],
                                          SkScalar ambient, SkScalar specular);
#endif
};

#endif