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54 lines
1.7 KiB
54 lines
1.7 KiB
/*
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* Copyright 2012 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 skdiff_utils_DEFINED
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#define skdiff_utils_DEFINED
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#include "tools/skdiff/skdiff.h"
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class SkBitmap;
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class SkData;
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class SkString;
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/** Returns true if the two buffers passed in are both non-nullptr,
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* have the same length, and contain exactly the same byte values.
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*/
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bool are_buffers_equal(SkData* skdata1, SkData* skdata2);
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/** Reads the file at the given path and returns its complete contents as an
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* SkData object (or returns nullptr on error).
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*/
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sk_sp<SkData> read_file(const char* file_path);
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/** Decodes the fileBits into the resource.fBitmap. Returns false on failure. */
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bool get_bitmap(sk_sp<SkData> fileBits, DiffResource& resource, bool sizeOnly,
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bool ignoreColorSpace);
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/** Writes the bitmap as a PNG to the path specified. */
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bool write_bitmap(const SkString& path, const SkBitmap& bitmap);
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/** Given an image filename, returns the name of the file containing
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* the associated difference image.
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*/
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SkString filename_to_diff_filename(const SkString& filename);
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/** Given an image filename, returns the name of the file containing
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* the "white" difference image.
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*/
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SkString filename_to_white_filename(const SkString& filename);
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/** Calls compute_diff and handles the difference and white diff resources.
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* If !outputDir.isEmpty(), writes out difference and white images.
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*/
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void create_and_write_diff_image(DiffRecord* drp,
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DiffMetricProc dmp,
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const int colorThreshold,
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const SkString& outputDir,
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const SkString& filename);
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#endif
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