Files
emacs/src
Po Lu 4e46df9651 Optimize damage region tracking under Android
* java/org/gnu/emacs/EmacsDrawLine.java (perform):

* java/org/gnu/emacs/EmacsDrawRectangle.java (perform): Call
damageRect with integer coordinates in lieu of consing a new
Rect.

* java/org/gnu/emacs/EmacsDrawable.java (damageRect) <IIII>:
Declare a new variant of damageRect, accepting four integers
designating the extents of the damage rectangle.

* java/org/gnu/emacs/EmacsPixmap.java (damageRect) <IIII>: New
stub.

* java/org/gnu/emacs/EmacsView.java (damageRect) <IIII>:
Implement this overloaded variant of damageRect.

* java/org/gnu/emacs/EmacsWindow.java (damageRect): Ditto.

* src/android.c (android_init_emacs_drawable)
(android_init_emacs_window): Move search for `damageRect' to
android_init_emacs_window.
(android_damage_window): Call IIII variant of `damageRect' to
avoid consing a new rectangle.  Ameliorate dynamic method
dispatch overhead.
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