> Right now, each call to getPixelColor/createScreenCapture opens and closes a
> ScreenCast session.
> When there are many such calls in a row, it becomes a rather time-consuming
> operation.
>
> For example,
>
>
> for (int i = 0; i < 50; i++) {
> for (int j = 0; j < 50; j++) {
> robot.getPixelColor(i, j);
> }
> }
>
> `50x50 took 375219ms`
>
> This fix offers optimization by keeping the session open and closing it only
> 2 seconds after the last activity.
>
> `50x50 took 28113ms` which is ~ 13 times faster.
>
> Testing looks good.
Alexander Zvegintsev has updated the pull request incrementally with two
additional commits since the last revision:
- switch to java.util.Timer
- Make multiple calls to doCleanup() safe
-------------
Changes:
- all: https://git.openjdk.org/jdk/pull/15250/files
- new: https://git.openjdk.org/jdk/pull/15250/files/60ea277a..0b6e8f46
Webrevs:
- full: https://webrevs.openjdk.org/?repo=jdk&pr=15250&range=01
- incr: https://webrevs.openjdk.org/?repo=jdk&pr=15250&range=00-01
Stats: 34 lines in 2 files changed: 21 ins; 11 del; 2 mod
Patch: https://git.openjdk.org/jdk/pull/15250.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/15250/head:pull/15250
PR: https://git.openjdk.org/jdk/pull/15250
