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31 lines
958 B
Lua
31 lines
958 B
Lua
local Blitbuffer = require("ffi/blitbuffer")
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local CacheItem = require("cacheitem")
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local serial = require("serialize")
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local logger = require("logger")
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local TileCacheItem = CacheItem:new{}
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function TileCacheItem:onFree()
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if self.bb.free then
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logger.dbg("free blitbuffer", self.bb)
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self.bb:free()
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end
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end
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function TileCacheItem:dump(filename)
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logger.dbg("dumping tile cache to", filename, self.excerpt)
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return serial.dump(self.size, self.excerpt, self.pageno,
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self.bb.w, self.bb.h, self.bb.pitch, self.bb:getType(),
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Blitbuffer.tostring(self.bb), filename)
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end
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function TileCacheItem:load(filename)
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local w, h, pitch, bb_type, bb_data
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self.size, self.excerpt, self.pageno,
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w, h, pitch, bb_type, bb_data = serial.load(filename)
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self.bb = Blitbuffer.fromstring(w, h, bb_type, bb_data, pitch)
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logger.dbg("loading tile cache from", filename, self)
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end
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return TileCacheItem
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