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add semi-auto bbox option in page crop dialog

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chrox
2013-07-13 11:18:49 +08:00
parent 87296fe884
commit 2e5d2b9930
5 changed files with 35 additions and 8 deletions
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29
frontend/document/koptinterface.lua
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@@ -75,10 +75,31 @@ function KoptInterface:getContextHash(doc, pageno, bbox)
end
function KoptInterface:getAutoBBox(doc, pageno)
local bbox = {
x0 = 0, y0 = 0,
x1 = 0, y1 = 0,
}
local context_hash = self:getContextHash(doc, pageno, bbox)
local hash = "autobbox|"..context_hash
local cached = Cache:check(hash)
if not cached then
local page = doc._document:openPage(pageno)
local kc = self:createContext(doc, pageno, bbox)
bbox.x0, bbox.y0, bbox.x1, bbox.y1 = page:getAutoBBox(kc)
DEBUG("Auto detected bbox", bbox)
page:close()
Cache:insert(hash, CacheItem:new{ autobbox = bbox })
return bbox
else
return cached.autobbox
end
end
function KoptInterface:getSemiAutoBBox(doc, pageno)
-- use manual bbox
local bbox = Document.getPageBBox(doc, pageno)
local context_hash = self:getContextHash(doc, pageno, bbox)
local hash = "autobbox|"..context_hash
local hash = "semiautobbox|"..context_hash
local cached = Cache:check(hash)
if not cached then
local page = doc._document:openPage(pageno)
@@ -89,12 +110,12 @@ function KoptInterface:getAutoBBox(doc, pageno)
auto_bbox.y0 = auto_bbox.y0 + bbox.y0
auto_bbox.x1 = auto_bbox.x1 + bbox.x0
auto_bbox.y1 = auto_bbox.y1 + bbox.y0
DEBUG("Auto detected bbox", auto_bbox)
DEBUG("Semi-auto detected bbox", auto_bbox)
page:close()
Cache:insert(hash, CacheItem:new{ autobbox = auto_bbox })
Cache:insert(hash, CacheItem:new{ semiautobbox = auto_bbox })
return auto_bbox
else
return cached.autobbox
return cached.semiautobbox
end
end