add defaults.lua

frontend/cache.lua

@@ -1,6 +1,10 @@
 --[[
 Inheritable abstraction for cache items
-]]--
+--]]
+
+require "defaults"
+
+
 CacheItem = {
 	size = 64, -- some reasonable default for simple Lua values / small tables
 }
@@ -20,7 +24,7 @@ A global LRU cache
 ]]--
 Cache = {
 	-- cache configuration:
-	max_memsize = 1024*1024*10, -- 10MB cache size
+	max_memsize = DGLOBAL_CACHE_SIZE,
 	-- cache state:
 	current_memsize = 0,
 	-- associative cache

frontend/defaults.lua

@@ -0,0 +1,95 @@
+-- number of page turns between full screen refresh
+-- default to full refresh on every page turn
+DRCOUNTMAX = 6
+
+-- default gamma setting:
+DGLOBALGAMMA = 1.0
+
+-- DjVu page rendering mode (used in djvu.c:drawPage())
+-- See comments in djvureader.lua:DJVUReader:select_render_mode()
+DRENDER_MODE = 0 -- 0 is COLOUR
+
+DGLOBAL_CACHE_SIZE = 1024*1024*10
+
+-- background colour in non scroll mode: 8 = gray, 0 = white, 15 = black
+DBACKGROUND_COLOR = 0
+
+-- outer page colour in scroll mode: 8 = gray, 0 = white, 15 = black
+DOUTER_PAGE_COLOR = 0
+
+-- supported view mode includes: "scroll" and "page"
+DCREREADER_VIEW_MODE = "page"
+
+-- koptreader config defaults
+DKOPTREADER_CONFIG_FONT_SIZE = 1.0		-- range from 0.1 to 3.0
+DKOPTREADER_CONFIG_TEXT_WRAP = 0		-- 1 = on, 0 = off
+DKOPTREADER_CONFIG_TRIM_PAGE = 1		-- 1 = auto, 0 = manual
+DKOPTREADER_CONFIG_DETECT_INDENT = 1	-- 1 = enable, 0 = disable
+DKOPTREADER_CONFIG_DEFECT_SIZE = 1.0	-- range from 0.0 to 3.0
+DKOPTREADER_CONFIG_PAGE_MARGIN = 0.10	-- range from 0.0 to 1.0
+DKOPTREADER_CONFIG_LINE_SPACING = 1.2	-- range from 0.5 to 2.0
+DKOPTREADER_CONFIG_WORD_SAPCING = 0.15	-- range from 0.05 to 0.5
+DKOPTREADER_CONFIG_RENDER_QUALITY = 0.8	-- range from 0.5 to 1.0
+DKOPTREADER_CONFIG_AUTO_STRAIGHTEN = 0	-- range from 0 to 10
+DKOPTREADER_CONFIG_JUSTIFICATION = -1	-- -1 = auto, 0 = left, 1 = center, 2 = right, 3 = full
+DKOPTREADER_CONFIG_MAX_COLUMNS = 2		-- range from 1 to 4
+DKOPTREADER_CONFIG_CONTRAST = 1.0		-- range from 0.2 to 2.0
+
+
+-- ####################################################################
+-- following features are not supported right now
+-- ####################################################################
+
+-- set panning distance
+--DSHIFT_X = 100
+--DSHIFT_Y = 50
+
+-- step to change zoom manually, default = 16%
+--DSTEP_MANUAL_ZOOM = 16
+--DPAN_BY_PAGE = false -- using shift_[xy] or width/height
+--DPAN_MARGIN = 5 -- horizontal margin for two-column zoom (in pixels)
+--DPAN_OVERLAP_VERTICAL = 30
+
+-- tile cache configuration:
+--DCACHE_MAX_MEMSIZE = 1024*1024*5 -- 5MB tile cache
+--DCACHE_MAX_TTL = 20 -- time to live
+
+-- renderer cache size
+--DCACHE_DOCUMENT_SIZE = 1024*1024*8 -- FIXME random, needs testing
+
+-- default value for battery level logging
+--DBATTERY_LOGGING = false
+
+
+-- delay for info messages in ms
+--DINFO_NODELAY=0
+--DINFO_DELAY=1500
+
+-- toggle defaults
+--DUNIREADER_SHOW_OVERLAP_ENABLE = true
+--DUNIREADER_SHOW_LINKS_ENABLE = true
+--DUNIREADER_COMICS_MODE_ENABLE = true
+--DUNIREADER_RTL_MODE_ENABLE = false
+--DUNIREADER_PAGE_MODE_ENABLE = false
+
+--DDJVUREADER_SHOW_OVERLAP_ENABLE = true
+--DDJVUREADER_SHOW_LINKS_ENABLE = false
+--DDJVUREADER_COMICS_MODE_ENABLE = true
+--DDJVUREADER_RTL_MODE_ENABLE = false
+--DDJVUREADER_PAGE_MODE_ENABLE = false
+
+--DKOPTREADER_SHOW_OVERLAP_ENABLE = true
+--DKOPTREADER_SHOW_LINKS_ENABLE = false
+--DKOPTREADER_COMICS_MODE_ENABLE = false
+--DKOPTREADER_RTL_MODE_ENABLE = false
+--DKOPTREADER_PAGE_MODE_ENABLE = false
+
+--DPICVIEWER_SHOW_OVERLAP_ENABLE = false
+--DPICVIEWER_SHOW_LINKS_ENABLE = false
+--DPICVIEWER_COMICS_MODE_ENABLE = true
+--DPICVIEWER_RTL_MODE_ENABLE = false
+--DPICVIEWER_PAGE_MODE_ENABLE = false
+
+
+--DKOPTREADER_CONFIG_MULTI_THREADS = 1	-- 1 = on, 0 = off
+--DKOPTREADER_CONFIG_SCREEN_ROTATION = 0	-- 0, 90, 180, 270 degrees

frontend/document/koptinterface.lua

@@ -196,7 +196,7 @@ end
 
 --[[
 get cached koptcontext for centain page. if context doesn't exist in cache make
-new context and reflow the src page immediatly, or wait background thread for 
+new context and reflow the src page immediatly, or wait background thread for
 reflowed context.
 --]]
 function KoptInterface:getCachedContext(doc, pageno)
@@ -272,10 +272,10 @@ function KoptInterface:renderPage(doc, pageno, rect, zoom, rotation, render_mode
 end
 
 --[[
-inherited from common document interface
-render reflowed page into cache in background thread. this method returns immediatly
-leaving the precache flag on in context. subsequent usage of this context should 
-wait for the precache flag off by calling self:waitForContext(kctx)
+inherited from common document interface render reflowed page into cache in
+background thread. this method returns immediatly leaving the precache flag on
+in context. subsequent usage of this context should wait for the precache flag
+off by calling self:waitForContext(kctx)
 --]]
 function KoptInterface:hintPage(doc, pageno, zoom, rotation, gamma, render_mode)
 	local bbox = doc:getPageBBox(pageno)

frontend/ui/data/koptoptions.lua

@@ -1,5 +1,6 @@
 require "ui/screen"
 require "ui/data/strings"
+require "defaults"
 
 KoptOptions = {
 	prefix = 'kopt',
@@ -26,7 +27,7 @@ KoptOptions = {
 				toggle = {AUTO_STR, MANUAL_STR},
 				alternate = false,
 				values = {1, 0},
-				default_value = 1,
+				default_value = DKOPTREADER_CONFIG_TRIM_PAGE,
 				event = "PageCrop",
 				args = {"auto", "manual"},
 			}
@@ -58,7 +59,7 @@ KoptOptions = {
 				name_text = PAGE_MARGIN_STR,
 				toggle = {SMALL_STR, MEDIUM_STR, LARGE_STR},
 				values = {0.05, 0.10, 0.15},
-				default_value = 0.10,
+				default_value = DKOPTREADER_CONFIG_PAGE_MARGIN,
 				event = "MarginUpdate",
 			},
 			{
@@ -66,7 +67,7 @@ KoptOptions = {
 				name_text = LINE_SPACING_STR,
 				toggle = {SMALL_STR, MEDIUM_STR, LARGE_STR},
 				values = {1.0, 1.2, 1.4},
-				default_value = 1.2,
+				default_value = DKOPTREADER_CONFIG_LINE_SPACING,
 			},
 			{
 				name = "max_columns",
@@ -77,7 +78,7 @@ KoptOptions = {
 					"resources/icons/appbar.column.three.png",
 				},
 				values = {1,2,3},
-				default_value = 2,
+				default_value = DKOPTREADER_CONFIG_MAX_COLUMNS,
 			},
 			{
 				name = "justification",
@@ -90,7 +91,7 @@ KoptOptions = {
 					"resources/icons/appbar.align.justify.png",
 				},
 				values = {-1,0,1,2,3},
-				default_value = -1,
+				default_value = DKOPTREADER_CONFIG_JUSTIFICATION,
 			},
 		}
 	},
@@ -105,7 +106,7 @@ KoptOptions = {
 				height = 60,
 				item_font_size = {22,24,28,32,34,36,38,42,46,50},
 				values = {0.1, 0.2, 0.4, 0.6, 0.8, 1.0, 1.2, 1.6, 2.0, 4.0},
-				default_value = 1.0,
+				default_value = DKOPTREADER_CONFIG_FONT_SIZE,
 				event = "FontSizeUpdate",
 			},
 			{
@@ -132,7 +133,7 @@ KoptOptions = {
 				item_font_size = 18,
 				item_align_center = 0.8,
 				values = {2.0, 1.5, 1.0, 0.5, 0.2},
-				default_value = 1.0,
+				default_value = DKOPTREADER_CONFIG_CONTRAST,
 				event = "GammaUpdate",
 				args = {0.5, 0.8, 1.0, 2.0, 4.0},
 			}
@@ -146,7 +147,7 @@ KoptOptions = {
 				name_text = _("Reflow"),
 				toggle = {ON_STR, OFF_STR},
 				values = {1, 0},
-				default_value = 0,
+				default_value = DKOPTREADER_CONFIG_TEXT_WRAP,
 				events = {
 					{
 						event = "RedrawCurrentPage",
@@ -171,14 +172,14 @@ KoptOptions = {
 				name_text = WORD_GAP_STR,
 				toggle = {SMALL_STR, MEDIUM_STR, LARGE_STR},
 				values = {0.05, 0.15, 0.375},
-				default_value = 0.15,
+				default_value = DKOPTREADER_CONFIG_WORD_SAPCING,
 			},
 			{
 				name = "defect_size",
 				name_text = DEFECT_SIZE_STR,
 				toggle = {SMALL_STR, MEDIUM_STR, LARGE_STR},
 				values = {1.0, 8.0, 15.0},
-				default_value = 1.0,
+				default_value = DKOPTREADER_CONFIG_DEFECT_SIZE,
 				event = "DefectSizeUpdate",
 			},
 			{
@@ -186,21 +187,21 @@ KoptOptions = {
 				name_text = RENDER_QUALITY_STR,
 				toggle = {LOW_STR, DEFAULT_STR, HIGH_STR},
 				values={0.5, 1.0, 1.5},
-				default_value = 0.8,
+				default_value = DKOPTREADER_CONFIG_RENDER_QUALITY,
 			},
 			{
 				name = "auto_straighten",
 				name_text = AUTO_STRAIGHTEN_STR,
 				toggle = {ZERO_DEG_STR, FIVE_DEG_STR, TEN_DEG_STR},
 				values = {0, 5, 10},
-				default_value = 0,
+				default_value = DKOPTREADER_CONFIG_AUTO_STRAIGHTEN,
 			},
 			{
 				name = "detect_indent",
 				name_text = INDENTATION_STR,
 				toggle = {ON_STR, OFF_STR},
 				values = {1, 0},
-				default_value = 1,
+				default_value = DKOPTREADER_CONFIG_DETECT_INDENT,
 				show = false,
 			},
 		}

frontend/ui/reader/readerview.lua

@@ -1,6 +1,7 @@
 require "ui/reader/readerflip"
 require "ui/reader/readerfooter"
 require "ui/reader/readerdogear"
+require "defaults"
 
 ReaderView = OverlapGroup:new{
 	document = nil,
@@ -15,7 +16,7 @@ ReaderView = OverlapGroup:new{
 		offset = nil,
 		bbox = nil,
 	},
-	outer_page_color = 0,
+	outer_page_color = DOUTER_PAGE_COLOR,
 	-- hightlight
 	highlight = {
 		lighten_color = 0.2, -- color range [0.0, 1.0]
@@ -27,7 +28,7 @@ ReaderView = OverlapGroup:new{
 	highlight_visible = true,
 	-- PDF/DjVu continuous paging
 	page_scroll = nil,
-	page_bgcolor = 0,
+	page_bgcolor = DBACKGROUND_COLOR,
 	page_states = {},
 	scroll_mode = "vertical",
 	page_gap = {
@@ -36,9 +37,9 @@ ReaderView = OverlapGroup:new{
 		color = 8,
 	},
 	-- DjVu page rendering mode (used in djvu.c:drawPage())
-	render_mode = 0, -- default to COLOR
+	render_mode = DRENDER_MODE, -- default to COLOR
 	-- Crengine view mode
-	view_mode = "page", -- default to page mode
+	view_mode = DCREREADER_VIEW_MODE, -- default to page mode
 	hinting = true,
 
 	-- visible area within current viewing page
@@ -105,17 +106,14 @@ function ReaderView:paintTo(bb, x, y)
 			self.dim_area.w, self.dim_area.h
 		)
 	end
-	
 	-- draw saved highlight
 	if self.highlight_visible then
 		self:drawSavedHighlight(bb, x, y)
 	end
-	
 	-- draw temporary highlight
 	if self.highlight.temp then
 		self:drawTempHighlight(bb, x, y)
 	end
-
 	-- paint dogear
 	if self.dogear_visible then
 		self.dogear:paintTo(bb, x, y)
@@ -478,7 +476,7 @@ function ReaderView:onReadSettings(config)
 	    table.insert(self.ui.postInitCallback, function()
 	        self:onSetScreenMode(screen_mode) end)
 	end
-	self.state.gamma = config:readSetting("gamma") or 1.0
+	self.state.gamma = config:readSetting("gamma") or DGLOBALGAMMA
 	local full_screen = config:readSetting("kopt_full_screen")
 	if full_screen == nil then
 		full_screen = self.document.configurable.full_screen

frontend/ui/uimanager.lua

@@ -4,6 +4,7 @@ require "ui/inputevent"
 require "ui/screen"
 require "debug"
 require "gettext"
+require "defaults"
 
 -- initialize output module, this must be initialized before Input
 Screen:init()
@@ -23,7 +24,7 @@ UIManager = {
 	-- after each ui loop
 	full_refresh = false,
 	-- trigger a full refresh when counter reaches FULL_REFRESH_COUNT
-	FULL_REFRESH_COUNT = 6,
+	FULL_REFRESH_COUNT = DRCOUNTMAX,
 	refresh_count = 0,
 
 	_running = true,