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serialize the most recently used blitbuffer/koptcontext

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to speedup koreader startup for PDF/DJVU documents
especially when reflowing
This commit is contained in:
chrox
2014-04-30 23:24:44 +08:00
parent f9302cd17d
commit 775e5ea3b4
9 changed files with 810 additions and 11 deletions
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5
frontend/document/document.lua
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@@ -78,6 +78,7 @@ function Document:close()
self.is_open = false
self._document:close()
end
Cache:serialize()
end
-- this might be overridden by a document implementation
@@ -253,7 +254,7 @@ end
-- TODO: this should trigger a background operation
function Document:hintPage(pageno, zoom, rotation, gamma, render_mode)
local hash_full_page = "renderpg|"..self.file.."|"..pageno.."|"..zoom.."|"..rotation.."|"..gamma.."|"..render_mode
if not Cache:check(hash_full_page) then
if not Cache:check(hash_full_page, TileCacheItem) then
DEBUG("hinting page", pageno)
self:renderPage(pageno, nil, zoom, rotation, gamma, render_mode)
end
@@ -270,7 +271,7 @@ Draw page content to blitbuffer.
function Document:drawPage(target, x, y, rect, pageno, zoom, rotation, gamma, render_mode)
local hash_full_page = "renderpg|"..self.file.."|"..pageno.."|"..zoom.."|"..rotation.."|"..gamma.."|"..render_mode
local hash_excerpt = hash_full_page.."|"..tostring(rect)
local tile = Cache:check(hash_full_page)
local tile = Cache:check(hash_full_page, TileCacheItem)
if not tile then
tile = Cache:check(hash_excerpt)
if not tile then