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Add PDF handling plugin

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Eggbertx 2023-07-14 17:53:46 -07:00
parent 686c6fc004
commit de2815c653
2 changed files with 30 additions and 1 deletions
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4
pkg/gcplugin/gcplugin.go
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@ -141,7 +141,9 @@ func registerLuaFunctions() {
}, luar.New(l, upload), luar.New(l, post), lua.LString(board), lua.LString(filePath), lua.LString(thumbPath), lua.LString(catalogThumbPath))
errRet := l.CheckAny(-1)
fmt.Println("Error:", errRet, errRet == nil)
if errRet != nil && errRet.Type() != lua.LTNil {
return errors.New(errRet.String())
}
return nil
})
return 0

27
sample-plugins/pdf_thumbnail.lua Normal file
View file

@ -0,0 +1,27 @@
-- requires ghostscript to be installed
local os = require("os")
local cmd = "gs -q -sDEVICE=jpeg -dLastPage=1 -dNOPAUSE -r720 -g%dx%d -dPDFFitPage -dFIXEDMEDIA -dCompatibilityLevel=1.4 -o %q - < %q" -- width, height outpath, inpath
register_upload_handler(".pdf", function(upload, post, board, filePath, thumbPath, catalogThumbPath, infoEv, accessEv, errEv)
-- width, height = get_pdf_dimensions(filePath)
local boardcfg = board_config(board)
upload.ThumbnailWidth = boardcfg.ThumbWidthReply
upload.ThumbnailHeight = boardcfg.ThumbHeightReply
if (post.IsTopPost) then
upload.ThumbnailWidth = boardcfg.ThumbWidth
upload.ThumbnailHeight = boardcfg.ThumbHeight
status = os.execute(string.format(cmd, boardcfg.ThumbWidthCatalog, boardcfg.ThumbHeightCatalog, catalogThumbPath, filePath))
if (status ~= 0) then
return "unable to create PDF catalog thumbnail"
end
end
status = os.execute(string.format(cmd, upload.ThumbnailWidth, upload.ThumbnailHeight, thumbPath, filePath))
if (status ~= 0) then
return "unable to create PDF thumbnail"
end
return nil
end)
set_thumbnail_ext(".pdf", ".jpg")