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@ -4,6 +4,40 @@ local KoptOptions = require("ui/data/koptoptions")
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local Document = require("document/document")
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local Configurable = require("ui/reader/configurable")
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local DrawContext = require("ffi/drawcontext")
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local ffi = require("ffi")
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ffi.cdef[[
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typedef struct fz_point_s fz_point;
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struct fz_point_s {
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float x, y;
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};
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typedef enum {
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FZ_ANNOT_TEXT,
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FZ_ANNOT_LINK,
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FZ_ANNOT_FREETEXT,
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FZ_ANNOT_LINE,
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FZ_ANNOT_SQUARE,
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FZ_ANNOT_CIRCLE,
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FZ_ANNOT_POLYGON,
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FZ_ANNOT_POLYLINE,
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FZ_ANNOT_HIGHLIGHT,
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FZ_ANNOT_UNDERLINE,
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FZ_ANNOT_SQUIGGLY,
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FZ_ANNOT_STRIKEOUT,
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FZ_ANNOT_STAMP,
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FZ_ANNOT_CARET,
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FZ_ANNOT_INK,
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FZ_ANNOT_POPUP,
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FZ_ANNOT_FILEATTACHMENT,
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FZ_ANNOT_SOUND,
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FZ_ANNOT_MOVIE,
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FZ_ANNOT_WIDGET,
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FZ_ANNOT_SCREEN,
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FZ_ANNOT_PRINTERMARK,
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FZ_ANNOT_TRAPNET,
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FZ_ANNOT_WATERMARK,
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FZ_ANNOT_3D
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} fz_annot_type;
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]]
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local PdfDocument = Document:new{
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_document = false,
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@ -12,6 +46,7 @@ local PdfDocument = Document:new{
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dc_null = DrawContext.new(),
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options = KoptOptions,
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koptinterface = nil,
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annot_revision = 0,
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}
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function PdfDocument:init()
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@ -112,6 +147,44 @@ function PdfDocument:getPageLinks(pageno)
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return links
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end
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function PdfDocument:saveHighlight(pageno, item)
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self.annot_revision = self.annot_revision + 1
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local n = #item.pboxes
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local quadpoints = ffi.new("fz_point[?]", 4*n)
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for i=1, n do
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quadpoints[4*i-4].x = item.pboxes[i].x + item.pboxes[i].w
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quadpoints[4*i-4].y = item.pboxes[i].y + item.pboxes[i].h
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quadpoints[4*i-3].x = item.pboxes[i].x
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quadpoints[4*i-3].y = item.pboxes[i].y + item.pboxes[i].h
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quadpoints[4*i-2].x = item.pboxes[i].x
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quadpoints[4*i-2].y = item.pboxes[i].y
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quadpoints[4*i-1].x = item.pboxes[i].x + item.pboxes[i].w
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quadpoints[4*i-1].y = item.pboxes[i].y
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end
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local page = self._document:openPage(pageno)
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local annot_type = ffi.C.FZ_ANNOT_HIGHLIGHT
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if item.drawer == "lighten" then
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annot_type = ffi.C.FZ_ANNOT_HIGHLIGHT
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elseif item.drawer == "underscore" then
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annot_type = ffi.C.FZ_ANNOT_UNDERLINE
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elseif item.drawer == "strikeout" then
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annot_type = ffi.C.FZ_ANNOT_STRIKEOUT
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end
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page:addMarkupAnnotation(quadpoints, 4*n, annot_type)
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page:close()
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end
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function PdfDocument:writeDocument()
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self._document:writeDocument(self.file)
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end
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function PdfDocument:close()
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if self.annot_revision ~= 0 then
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self:writeDocument()
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end
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Document.close(self)
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end
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function PdfDocument:getLinkFromPosition(pageno, pos)
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return self.koptinterface:getLinkFromPosition(self, pageno, pos)
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end
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