Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(457)

Side by Side Diff: src/utils/SkBitmapHasher.h

Issue 15883004: GM: create GmResultDigest that encapsulates digest type ("bitmap-64bitMD5") and value (12345) (Closed) Base URL: http://skia.googlecode.com/svn/trunk/
Patch Set: add_isValid Created 7 years, 7 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
1 1
2 /* 2 /*
3 * Copyright 2012 Google Inc. 3 * Copyright 2012 Google Inc.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 #ifndef SkBitmapHasher_DEFINED 9 #ifndef SkBitmapHasher_DEFINED
10 #define SkBitmapHasher_DEFINED 10 #define SkBitmapHasher_DEFINED
11 11
12 #include "SkBitmap.h" 12 #include "SkBitmap.h"
13 13
14 // TODO(epoger): Soon, SkHashDigest will become a real class of its own,
15 // and callers won't be able to assume it converts to/from a uint64_t.
16 typedef uint64_t SkHashDigest;
17
18 /** 14 /**
19 * Static class that can generate an SkHashDigest from an SkBitmap. 15 * Static class that generates a uint64 hash digest from an SkBitmap.
20 */ 16 */
21 class SkBitmapHasher { 17 class SkBitmapHasher {
22 public: 18 public:
23 /** 19 /**
24 * Fills in "result" with a hash of the pixels in this bitmap. 20 * Fills in "result" with a hash of the pixels in this bitmap.
25 * 21 *
26 * If this is unable to compute the hash for some reason, 22 * If this is unable to compute the hash for some reason,
27 * it returns false. 23 * it returns false.
28 * 24 *
29 * Note: depending on the bitmap config, we may need to create an 25 * Note: depending on the bitmap config, we may need to create an
30 * intermediate SkBitmap and copy the pixels over to it... so in some 26 * intermediate SkBitmap and copy the pixels over to it... so in some
31 * cases, performance and memory usage can suffer. 27 * cases, performance and memory usage can suffer.
32 */ 28 */
33 static bool ComputeDigest(const SkBitmap& bitmap, SkHashDigest *result); 29 static bool ComputeDigest(const SkBitmap& bitmap, uint64_t *result);
34 30
35 private: 31 private:
36 static bool ComputeDigestInternal(const SkBitmap& bitmap, SkHashDigest *resu lt); 32 static bool ComputeDigestInternal(const SkBitmap& bitmap, uint64_t *result);
37 }; 33 };
38 34
39 #endif 35 #endif
OLDNEW
« no previous file with comments | « gm/tests/outputs/pipe-playback-failure/output-expected/json-summary.txt ('k') | src/utils/SkBitmapHasher.cpp » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698