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koreader/frontend/ui/reader/readercropping.lua

57 lines
1.5 KiB
Lua

require "ui/bbox"
ReaderCropping = InputContainer:new{}
function ReaderCropping:onPageCrop(mode)
if mode == "auto" then return end
local orig_reflow_mode = self.document.configurable.text_wrap
self.document.configurable.text_wrap = 0
self.ui:handleEvent(Event:new("CloseConfig"))
self.ui:handleEvent(Event:new("SetZoomMode", "page"))
local ubbox = self.document:getPageBBox(self.current_page)
--DEBUG("used page bbox", ubbox)
self.crop_bbox = BBoxWidget:new{
page_bbox = ubbox,
ui = self.ui,
crop = self,
document = self.document,
pageno = self.current_page,
orig_zoom_mode = self.orig_zoom_mode,
orig_reflow_mode = orig_reflow_mode,
}
UIManager:show(self.crop_bbox)
return true
end
function ReaderCropping:onPageUpdate(page_no)
--DEBUG("page updated to", page_no)
self.current_page = page_no
end
function ReaderCropping:onZoomUpdate(zoom)
--DEBUG("zoom updated to", zoom)
self.zoom = zoom
end
function ReaderCropping:onScreenOffsetUpdate(screen_offset)
--DEBUG("offset updated to", screen_offset)
self.screen_offset = screen_offset
end
function ReaderCropping:onSetZoomMode(mode)
if self.orig_zoom_mode == nil then
--DEBUG("backup zoom mode", mode)
self.orig_zoom_mode = mode
end
end
function ReaderCropping:onReadSettings(config)
local bbox = config:readSetting("bbox")
self.document.bbox = bbox
DEBUG("read document bbox", self.document.bbox)
end
function ReaderCropping:onCloseDocument()
self.ui.doc_settings:saveSetting("bbox", self.document.bbox)
end