blob: 9a6385c3047467d41310fac71c34513085e5c5f9 [file] [log] [blame]
* Copyright 2012 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef skdiff_utils_DEFINED
#define skdiff_utils_DEFINED
#include "tools/skdiff/skdiff.h"
class SkBitmap;
class SkData;
class SkString;
/** Returns true if the two buffers passed in are both non-nullptr,
* have the same length, and contain exactly the same byte values.
bool are_buffers_equal(SkData* skdata1, SkData* skdata2);
/** Reads the file at the given path and returns its complete contents as an
* SkData object (or returns nullptr on error).
sk_sp<SkData> read_file(const char* file_path);
/** Decodes the fileBits into the resource.fBitmap. Returns false on failure. */
bool get_bitmap(sk_sp<SkData> fileBits, DiffResource& resource, bool sizeOnly,
bool ignoreColorSpace);
/** Writes the bitmap as a PNG to the path specified. */
bool write_bitmap(const SkString& path, const SkBitmap& bitmap);
/** Given an image filename, returns the name of the file containing
* the associated difference image.
SkString filename_to_diff_filename(const SkString& filename);
/** Given an image filename, returns the name of the file containing
* the "white" difference image.
SkString filename_to_white_filename(const SkString& filename);
/** Calls compute_diff and handles the difference and white diff resources.
* If !outputDir.isEmpty(), writes out difference and white images.
void create_and_write_diff_image(DiffRecord* drp,
DiffMetricProc dmp,
const int colorThreshold,
const SkString& outputDir,
const SkString& filename);