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| author | Zolnai Tamás <tamas.zolnai@collabora.com> | 2014-10-24 14:19:25 +0200 |
|---|---|---|
| committer | Zolnai Tamás <tamas.zolnai@collabora.com> | 2014-10-26 10:28:06 +0100 |
| commit | fa58d91094895a530648630fa64b8724ea1e4305 (patch) | |
| tree | 99f95bb176ca6ccc11e3d49331ec5d59b4969b1e | |
| parent | 3f5251675eeeeae56ea282fdeb09dbc53ce4aae6 (diff) | |
Some notes about image swapping
Change-Id: Ifbda35d2bcd73a8ca196d39f0f621da78e8cc576
| -rw-r--r-- | svtools/README | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/svtools/README b/svtools/README index dc35c3f38702..b4f399ca6c5a 100644 --- a/svtools/README +++ b/svtools/README @@ -1 +1,15 @@ Tools on top of VCL. Common dialogs, file and print dialogs, wizards, vcl filters, lots of helper code. + + +== Image swapping == + +LO has three kind of swapout mechanisms: + +1) Manual swap out calls: Maybe it comes from old days, when memory was more expensive to use so LO tried to store +images in the memory only when it is really used and swap out them directly after use. These manual calls seems +useless nowadays and even ineffective. + +2) Size based auto swapping: when the size of all graphic objects reaches a configurable limit (20 MB by default) +then some of the graphics are saved to the local file system and freed in the memory. + +3) Time based auto swapping: more info needed. |