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Diffstat (limited to 'chromium/ui/base/cursor/cursor.h')
| -rw-r--r-- | chromium/ui/base/cursor/cursor.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/chromium/ui/base/cursor/cursor.h b/chromium/ui/base/cursor/cursor.h index c1348e90b60..06b5510a94b 100644 --- a/chromium/ui/base/cursor/cursor.h +++ b/chromium/ui/base/cursor/cursor.h @@ -87,6 +87,18 @@ class UI_BASE_EXPORT Cursor { Assign(cursor); } + // Checks if the data in |rhs| was created from the same input data. + // + // This is subtly different from operator==, as we need this to be a + // lightweight operation instead of performing pixel equality checks on + // arbitrary sized SkBitmaps. So we check the internal SkBitmap generation + // IDs, which are per-process, monotonically increasing ids which get changed + // whenever there's a modification to the pixel data. This means that this + // method can have false negatives: two SkBitmap instances made with the same + // input data (but which weren't copied from each other) can have equal pixel + // data, but different generation ids. + bool IsSameAs(const Cursor& rhs) const; + private: void Assign(const Cursor& cursor); |