42 lines
1.8 KiB
C++
42 lines
1.8 KiB
C++
// Copyright 2017 The Chromium Authors. All rights reserved.
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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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#ifndef COMPONENTS_ZUCCHINI_ZUCCHINI_APPLY_H_
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#define COMPONENTS_ZUCCHINI_ZUCCHINI_APPLY_H_
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#include "components/zucchini/image_utils.h"
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#include "components/zucchini/patch_reader.h"
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#include "components/zucchini/zucchini.h"
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namespace zucchini {
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// Reads equivalences from |patch_reader| to form preliminary |new_image|,
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// copying regions from |old_image| and writing extra data from |patch_reader|.
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bool ApplyEquivalenceAndExtraData(ConstBufferView old_image,
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const PatchElementReader& patch_reader,
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MutableBufferView new_image);
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// Reads raw delta from |patch_reader| and applies corrections to |new_image|.
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bool ApplyRawDelta(const PatchElementReader& patch_reader,
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MutableBufferView new_image);
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// Corrects references in |new_image| by projecting references from |old_image|
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// and applying corrections from |patch_reader|. Both |old_image| and
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// |new_image| are matching elements associated with |exe_type|.
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bool ApplyReferencesCorrection(ExecutableType exe_type,
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ConstBufferView old_image,
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const PatchElementReader& patch_reader,
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MutableBufferView new_image);
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// Applies patch element with type |exe_type| from |patch_reader| on |old_image|
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// to produce |new_image|.
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bool ApplyElement(ExecutableType exe_type,
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ConstBufferView old_image,
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const PatchElementReader& patch_reader,
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MutableBufferView new_image);
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} // namespace zucchini
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#endif // COMPONENTS_ZUCCHINI_ZUCCHINI_APPLY_H_
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