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add rendermode support for djvu documents

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This commit is contained in:
Qingping Hou
2012-10-09 18:26:01 -04:00
parent b012f1b037
commit ea022b651f
2 changed files with 15 additions and 6 deletions
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8
frontend/document/document.lua
View File

@@ -128,7 +128,7 @@ function Document:getToc()
return self._document:getToc()
end
function Document:renderPage(pageno, rect, zoom, rotation)
function Document:renderPage(pageno, rect, zoom, rotation, render_mode)
local hash = "renderpg|"..self.file.."|"..pageno.."|"..zoom.."|"..rotation
local page_size = self:getPageDimensions(pageno, zoom, rotation)
-- this will be the size we actually render
@@ -172,7 +172,7 @@ function Document:renderPage(pageno, rect, zoom, rotation)
-- render
local page = self._document:openPage(pageno)
page:draw(dc, tile.bb, size.x, size.y)
page:draw(dc, tile.bb, size.x, size.y, render_mode)
page:close()
Cache:insert(hash, tile)
@@ -185,7 +185,7 @@ function Document:hintPage(pageno, zoom, rotation)
self:renderPage(pageno, nil, zoom, rotation)
end
function Document:drawPage(target, x, y, rect, pageno, zoom, rotation)
function Document:drawPage(target, x, y, rect, pageno, zoom, rotation, render_mode)
local hash_full_page = "renderpg|"..self.file.."|"..pageno.."|"..zoom.."|"..rotation
local hash_excerpt = "renderpg|"..self.file.."|"..pageno.."|"..zoom.."|"..rotation.."|"..tostring(rect)
local tile = Cache:check(hash_full_page)
@@ -193,7 +193,7 @@ function Document:drawPage(target, x, y, rect, pageno, zoom, rotation)
tile = Cache:check(hash_excerpt)
if not tile then
DEBUG("rendering")
tile = self:renderPage(pageno, rect, zoom, rotation)
tile = self:renderPage(pageno, rect, zoom, rotation, render_mode)
end
end
DEBUG("now painting", tile)

13
frontend/ui/reader/readerview.lua
View File

@@ -9,8 +9,9 @@ ReaderView = WidgetContainer:new{
offset = {},
bbox = nil,
},
outer_page_color = 7,
-- DjVu page rendering mode (used in djvu.c:drawPage())
render_mode = 0, -- default to COLOR
visible_area = Geom:new{x = 0, y = 0},
page_area = Geom:new{},
@@ -41,7 +42,8 @@ function ReaderView:paintTo(bb, x, y)
self.visible_area,
self.state.page,
self.state.zoom,
self.state.rotation)
self.state.rotation,
self.render_mode)
else
self.ui.document:drawCurrentView(
bb,
@@ -88,6 +90,10 @@ function ReaderView:onSetDimensions(dimensions)
self:recalculate()
end
function ReaderView:onReadSettings(config)
self.render_mode = config:readSetting("render_mode") or 0
end
function ReaderView:onPageUpdate(new_page_no)
self.state.page = new_page_no
self:recalculate()
@@ -108,3 +114,6 @@ function ReaderView:onRotationUpdate(rotation)
self:recalculate()
end
function ReaderView:onCloseDocument()
self.ui.doc_settings:saveSetting("render_mode", self.render_mode)
end