| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 * Copyright 2013 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #ifndef SkImageDiffer_DEFINED | |
| 9 #define SkImageDiffer_DEFINED | |
| 10 | |
| 11 #include "SkBitmap.h" | |
| 12 | |
| 13 /** | |
| 14 * Encapsulates an image difference metric algorithm that can be potentially run
asynchronously. | |
| 15 */ | |
| 16 class SkImageDiffer { | |
| 17 public: | |
| 18 SkImageDiffer(); | |
| 19 virtual ~SkImageDiffer(); | |
| 20 | |
| 21 static const double RESULT_CORRECT; | |
| 22 static const double RESULT_INCORRECT; | |
| 23 | |
| 24 struct Result { | |
| 25 double result; | |
| 26 int poiCount; | |
| 27 // TODO(djsollen): Figure out a way that the differ can report which of
the | |
| 28 // optional fields it has filled in. See https://bug.skia.org/2712 ('al
low | |
| 29 // skpdiff to report different sets of result fields for different compa
rison algorithms') | |
| 30 SkBitmap poiAlphaMask; // optional | |
| 31 SkBitmap rgbDiffBitmap; // optional | |
| 32 SkBitmap whiteDiffBitmap; // optional | |
| 33 int maxRedDiff; // optional | |
| 34 int maxGreenDiff; // optional | |
| 35 int maxBlueDiff; // optional | |
| 36 double timeElapsed; // optional | |
| 37 }; | |
| 38 | |
| 39 // A bitfield indicating which bitmap types we want a differ to create. | |
| 40 // | |
| 41 // TODO(epoger): Remove whiteDiffBitmap, because alphaMask can provide | |
| 42 // the same functionality and more. | |
| 43 // It will be a little bit tricky, because the rebaseline_server client | |
| 44 // and server side code will both need to change to use the alphaMask. | |
| 45 struct BitmapsToCreate { | |
| 46 bool alphaMask; | |
| 47 bool rgbDiff; | |
| 48 bool whiteDiff; | |
| 49 }; | |
| 50 | |
| 51 /** | |
| 52 * Gets a unique and descriptive name of this differ | |
| 53 * @return A statically allocated null terminated string that is the name of
this differ | |
| 54 */ | |
| 55 virtual const char* getName() const = 0; | |
| 56 | |
| 57 /** | |
| 58 * Gets if this differ needs to be initialized with and OpenCL device and co
ntext. | |
| 59 */ | |
| 60 virtual bool requiresOpenCL() const { return false; } | |
| 61 | |
| 62 /** | |
| 63 * diff on a pair of bitmaps. | |
| 64 * @param baseline The correct bitmap | |
| 65 * @param test The bitmap whose difference is being tested | |
| 66 * @param bitmapsToCreate Which bitmaps the differ should attempt to creat
e | |
| 67 * @return true on success, and false in the case of failure | |
| 68 */ | |
| 69 virtual bool diff(SkBitmap* baseline, SkBitmap* test, const BitmapsToCreate&
bitmapsToCreate, | |
| 70 Result* result) const = 0; | |
| 71 }; | |
| 72 | |
| 73 #endif | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1502173003:
When was SkPDiff last used? (Closed)
Base URL: https://skia.googlesource.com/skia.git@master