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@ -186,8 +186,9 @@ KoptOptions = {
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KoptInterface = {}
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-- get reflow context
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function KoptInterface:getKOPTContext(doc, pageno, bbox, screen_size)
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function KoptInterface:getKOPTContext(doc, pageno, bbox)
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local kc = KOPTContext.new()
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local screen_size = Screen:getSize()
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kc:setTrim(doc.configurable.trim_page)
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kc:setWrap(doc.configurable.text_wrap)
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kc:setIndent(doc.configurable.detect_indent)
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@ -208,17 +209,34 @@ function KoptInterface:getKOPTContext(doc, pageno, bbox, screen_size)
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return kc
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end
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function KoptInterface:setTrimPage(doc, pageno)
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local page_dimens = doc:getNativePageDimensions(pageno)
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--DEBUG("original page dimens", page_dimens)
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local orig_bbox = doc:getUsedBBox(pageno)
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--DEBUG("original bbox", orig_bbox)
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if orig_bbox.x1 - orig_bbox.x0 < page_dimens.w
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or orig_bbox.y1 - orig_bbox.y0 < page_dimens.h then
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doc.configurable.trim_page = 0
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--DEBUG("Set manual crop in koptengine")
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end
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end
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function KoptInterface:getContextHash(doc, pageno, bbox)
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local screen_size = Screen:getSize()
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local screen_size_hash = screen_size.w.."|"..screen_size.h
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local bbox_hash = bbox.x0.."|"..bbox.y0.."|"..bbox.x1.."|"..bbox.y1
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return doc.file.."|"..pageno.."|"..doc.configurable:hash("|").."|"..bbox_hash.."|"..screen_size_hash
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end
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-- calculates page dimensions
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function KoptInterface:getPageDimensions(doc, pageno, zoom, rotation)
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-- check cached page size
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self:setTrimPage(doc, pageno)
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local bbox = doc:getPageBBox(pageno)
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local bbox_hash = bbox.x0.."|"..bbox.y0.."|"..bbox.x1.."|"..bbox.y1
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local screen_size = Screen:getSize()
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local screen_size_hash = screen_size.w.."|"..screen_size.h
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local hash = "kctx|"..doc.file.."|"..pageno.."|"..doc.configurable:hash("|").."|"..bbox_hash.."|"..screen_size_hash
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local context_hash = self:getContextHash(doc, pageno, bbox)
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local hash = "kctx|"..context_hash
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local cached = Cache:check(hash)
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if not cached then
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local kc = self:getKOPTContext(doc, pageno, bbox, screen_size)
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local kc = self:getKOPTContext(doc, pageno, bbox)
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local page = doc._document:openPage(pageno)
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-- reflow page
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page:reflow(kc, 0)
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@ -237,12 +255,11 @@ function KoptInterface:getPageDimensions(doc, pageno, zoom, rotation)
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end
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function KoptInterface:renderPage(doc, pageno, rect, zoom, rotation, render_mode)
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self:setTrimPage(doc, pageno)
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doc.render_mode = render_mode
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local bbox = doc:getPageBBox(pageno)
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local bbox_hash = bbox.x0.."|"..bbox.y0.."|"..bbox.x1.."|"..bbox.y1
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local screen_size = Screen:getSize()
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local screen_size_hash = screen_size.w.."|"..screen_size.h
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local hash = "renderpg|"..doc.file.."|"..pageno.."|"..doc.configurable:hash("|").."|"..bbox_hash.."|"..screen_size_hash
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local context_hash = self:getContextHash(doc, pageno, bbox)
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local hash = "renderpg|"..context_hash
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local page_size = self:getPageDimensions(doc, pageno, zoom, rotation)
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-- this will be the size we actually render
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local size = page_size
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@ -273,7 +290,7 @@ function KoptInterface:renderPage(doc, pageno, rect, zoom, rotation, render_mode
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}
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-- draw to blitbuffer
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local kc_hash = "kctx|"..doc.file.."|"..pageno.."|"..doc.configurable:hash("|").."|"..bbox_hash.."|"..screen_size_hash
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local kc_hash = "kctx|"..context_hash
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local page = doc._document:openPage(pageno)
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local cached = Cache:check(kc_hash)
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if cached then
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