/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkBlitRow_DEFINED
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#define SkBlitRow_DEFINED
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#include "SkBitmap.h"
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#include "SkColor.h"
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class SkBlitRow {
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public:
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enum Flags32 {
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kGlobalAlpha_Flag32 = 1 << 0,
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kSrcPixelAlpha_Flag32 = 1 << 1
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};
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/** Function pointer that blends 32bit colors onto a 32bit destination.
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@param dst array of dst 32bit colors
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@param src array of src 32bit colors (w/ or w/o alpha)
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@param count number of colors to blend
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@param alpha global alpha to be applied to all src colors
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*/
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typedef void (*Proc32)(uint32_t dst[], const SkPMColor src[], int count, U8CPU alpha);
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static Proc32 Factory32(unsigned flags32);
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/** Blend a single color onto a row of S32 pixels, writing the result
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into a row of D32 pixels. src and dst may be the same memory, but
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if they are not, they may not overlap.
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*/
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static void Color32(SkPMColor dst[], const SkPMColor src[], int count, SkPMColor color);
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};
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#endif
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