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52 lines
1.6 KiB
52 lines
1.6 KiB
/*
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* Copyright 2006 The Android Open Source Project
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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 SkBase64_DEFINED
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#define SkBase64_DEFINED
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#include "include/core/SkTypes.h"
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struct SkBase64 {
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public:
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enum Error {
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kNoError,
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kPadError,
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kBadCharError
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};
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/**
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Base64 encodes src into dst.
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Normally this is called once with 'dst' nullptr to get the required size, then again with an
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allocated 'dst' pointer to do the actual encoding.
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@param dst nullptr or a pointer to a buffer large enough to receive the result
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@param encode nullptr for default encoding or a pointer to at least 65 chars.
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encode[64] will be used as the pad character.
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Encodings other than the default encoding cannot be decoded.
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@return the required length of dst for encoding.
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*/
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static size_t Encode(const void* src, size_t length, void* dst, const char* encode = nullptr);
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/**
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Base64 decodes src into dst.
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Normally this is called once with 'dst' nullptr to get the required size, then again with an
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allocated 'dst' pointer to do the actual encoding.
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@param dst nullptr or a pointer to a buffer large enough to receive the result
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@param dstLength assigned the length dst is required to be. Must not be nullptr.
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*/
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static Error SK_WARN_UNUSED_RESULT Decode(const void* src, size_t srcLength,
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void* dst, size_t* dstLength);
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};
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#endif // SkBase64_DEFINED
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