mirror of
https://github.com/koreader/koreader
synced 2024-10-31 21:20:20 +00:00
2f2d9f1bf7
This should popup a message saying "No reader engine for this file" instead of a crash when document file is malformated. This should fix #868.
33 lines
762 B
Lua
33 lines
762 B
Lua
local Document = require("document/document")
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local DrawContext = require("ffi/drawcontext")
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local pic = nil
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local PicDocument = Document:new{
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_document = false,
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dc_null = DrawContext.new()
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}
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function PicDocument:init()
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if not pic then pic = require("ffi/pic") end
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ok, self._document = pcall(pic.openDocument, self.file)
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if not ok then
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error("Failed to open jpeg image")
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end
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self.info.has_pages = true
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self.info.configurable = false
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self:readMetadata()
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end
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function PicDocument:readMetadata()
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self.info.number_of_pages = 1
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end
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function PicDocument:register(registry)
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registry:addProvider("jpeg", "application/jpeg", self)
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registry:addProvider("jpg", "application/jpeg", self)
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end
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return PicDocument
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