| 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 class SkBitmap; | |
| 12 struct SkIPoint; | |
| 13 | |
| 14 /** | |
| 15 * Encapsulates an image difference metric algorithm that can be potentially run
asynchronously. | |
| 16 */ | |
| 17 class SkImageDiffer { | |
| 18 public: | |
| 19 SkImageDiffer(); | |
| 20 virtual ~SkImageDiffer(); | |
| 21 | |
| 22 /** | |
| 23 * Gets a unique and descriptive name of this differ | |
| 24 * @return A statically allocated null terminated string that is the name of
this differ | |
| 25 */ | |
| 26 virtual const char* getName() = 0; | |
| 27 | |
| 28 /** | |
| 29 * Gets if this differ is in a usable state | |
| 30 * @return True if this differ can be used, false otherwise | |
| 31 */ | |
| 32 bool isGood() { return fIsGood; } | |
| 33 | |
| 34 /** | |
| 35 * Gets if this differ needs to be initialized with and OpenCL device and co
ntext. | |
| 36 */ | |
| 37 virtual bool requiresOpenCL() { return false; } | |
| 38 | |
| 39 /** | |
| 40 * Wraps a call to queueDiff by loading the given filenames into SkBitmaps | |
| 41 * @param baseline The file path of the baseline image | |
| 42 * @param test The file path of the test image | |
| 43 * @return The results of queueDiff with the loaded bitmaps | |
| 44 */ | |
| 45 int queueDiffOfFile(const char baseline[], const char test[]); | |
| 46 | |
| 47 /** | |
| 48 * Queues a diff on a pair of bitmaps to be done at some future time. | |
| 49 * @param baseline The correct bitmap | |
| 50 * @param test The bitmap whose difference is being tested | |
| 51 * @return An non-negative diff ID on success, a negative integer o
n failure. | |
| 52 */ | |
| 53 virtual int queueDiff(SkBitmap* baseline, SkBitmap* test) = 0; | |
| 54 | |
| 55 /** | |
| 56 * Gets whether a queued diff of the given id has finished | |
| 57 * @param id The id of the queued diff to query | |
| 58 * @return True if the queued diff is finished and has results, false oth
erwise | |
| 59 */ | |
| 60 virtual bool isFinished(int id) = 0; | |
| 61 | |
| 62 /** | |
| 63 * Deletes memory associated with a diff and its results. This may block exe
cution until the | |
| 64 * diff is finished, | |
| 65 * @param id The id of the diff to query | |
| 66 */ | |
| 67 virtual void deleteDiff(int id) = 0; | |
| 68 | |
| 69 /** | |
| 70 * Gets the results of the queued diff of the given id. The results are only
meaningful after | |
| 71 * the queued diff has finished. | |
| 72 * @param id The id of the queued diff to query | |
| 73 */ | |
| 74 virtual double getResult(int id) = 0; | |
| 75 | |
| 76 /** | |
| 77 * Gets the number of points of interest for the diff of the given id. The r
esults are only | |
| 78 * meaningful after the queued diff has finished. | |
| 79 * @param id The id of the queued diff to query | |
| 80 */ | |
| 81 virtual int getPointsOfInterestCount(int id) = 0; | |
| 82 | |
| 83 /** | |
| 84 * Gets an array of the points of interest for the diff of the given id. The
results are only | |
| 85 * meaningful after the queued diff has finished. | |
| 86 * @param id The id of the queued diff to query | |
| 87 */ | |
| 88 virtual SkIPoint* getPointsOfInterest(int id) = 0; | |
| 89 | |
| 90 | |
| 91 | |
| 92 protected: | |
| 93 bool fIsGood; | |
| 94 }; | |
| 95 | |
| 96 | |
| 97 #endif | |
| OLD | NEW |
|---|
Chromium Code Reviews
