Merge pull request #10 from dpavlin/master

Rotate page to better represent comics and other horisontal pdfs & lots of cleaning up and bringing out of Beta.

Makefile

@@ -127,8 +127,19 @@ $(LUALIB):
 
 thirdparty: $(MUPDFLIBS) $(THIRDPARTYLIBS) $(LUALIBS)
 
+INSTALL_DIR=kindlepdfviewer
+
 install:
 	# install to kindle using USB networking
-	scp kpdfview *.lua root@192.168.2.2:/mnt/us/test/
+	scp kpdfview *.lua root@192.168.2.2:/mnt/us/$(INSTALL_DIR)/
 	scp launchpad/* root@192.168.2.2:/mnt/us/launchpad/
 
+VERSION?=$(shell git rev-parse --short HEAD)
+customupdate: kpdfview
+	# ensure that build binary is for ARM
+	file kpdfview | grep ARM || exit 1
+	mkdir $(INSTALL_DIR)
+	cp -p README.TXT COPYING kpdfview *.lua $(INSTALL_DIR)
+	zip -r kindlepdfviewer-$(VERSION).zip $(INSTALL_DIR) launchpad/
+	rm -Rf $(INSTALL_DIR)
+	@echo "copy kindlepdfviewer-$(VERSION).zip to /mnt/us/customupdates and install with shift+shift+I"

README.TXT

@@ -61,3 +61,9 @@ The reader.lua script needs a device argument in order to cope with some
 slight differences between actual readers and the emulation. Run it like
 this:
 	./reader.lua -d emu /PATH/TO/PDF.pdf
+
+By default emulation will provide DXG resolution of 824*1200. It can be
+specified at compile time, this is example for Kindle 3:
+
+	EMULATE_READER_W=600 EMULATE_READER_H=800 EMULATE_READER=1 make kpdfview
+

keys.lua

@@ -121,6 +121,10 @@ function set_emu_keycodes()
 	KEY_A = 38
 	KEY_S = 39
 	KEY_D = 40
+
+	KEY_J = 44
+	KEY_K = 45
+
 	KEY_SHIFT = 50 -- left shift
 	KEY_ALT = 64   -- left alt
 	KEY_VPLUS = 95  -- F11

launchpad/kpdf.sh

@@ -1,14 +1,6 @@
 #!/bin/sh
 echo unlock > /proc/keypad
 echo unlock > /proc/fiveway
-cd /mnt/us/test/
-cat /dev/fb0 > /tmp/screen.fb0 &
-if [ "x$1" == "x" ] ; then
-	pdf=`lsof | grep /mnt/us/documents | cut -c81- | sort -u`
-else
-	pdf="$1"
-fi
-./reader.lua "$pdf"
-cat /tmp/screen.fb0 > /dev/fb0
-rm /tmp/screen.fb0
+cd /mnt/us/kindlepdfviewer/
+./reader.lua /mnt/us/documents
 echo 1 > /proc/eink_fb/update_display

pdfreader.lua

@@ -21,6 +21,8 @@ PDFReader = {
 	globalzoom = 1.0,
 	globalzoommode = -1, -- ZOOM_FIT_TO_PAGE
 
+	globalrotate = 0,
+
 	-- gamma setting:
 	globalgamma = 1.0,   -- GAMMA_NO_GAMMA
 
@@ -82,9 +84,9 @@ function PDFReader:cacheclaim(size)
 	return true
 end
 
-function PDFReader:draworcache(no, zoom, offset_x, offset_y, width, height, gamma)
+function PDFReader:draworcache(no, zoom, offset_x, offset_y, width, height, gamma, rotate)
 	-- hash draw state
-	local hash = self:cachehash(no, zoom, offset_x, offset_y, width, height, gamma)
+	local hash = self:cachehash(no, zoom, offset_x, offset_y, width, height, gamma, rotate)
 	if self.cache[hash] == nil then
 		-- not in cache, so prepare cache slot...
 		self:cacheclaim(width * height / 2);
@@ -107,9 +109,9 @@ function PDFReader:draworcache(no, zoom, offset_x, offset_y, width, height, gamm
 end
 
 -- calculate a hash for our current state
-function PDFReader:cachehash(no, zoom, offset_x, offset_y, width, height, gamma)
+function PDFReader:cachehash(no, zoom, offset_x, offset_y, width, height, gamma, rotate)
 	-- TODO (?): make this a "real" hash...
-	return no..'_'..zoom..'_'..offset_x..','..offset_y..'-'..width..'x'..height..'_'..gamma;
+	return no..'_'..zoom..'_'..offset_x..','..offset_y..'-'..width..'x'..height..'_'..gamma..'_'..rotate
 end
 
 -- blank the cache
@@ -186,6 +188,7 @@ function PDFReader:setzoom(page)
 		end
 	end
 	dc:setZoom(self.globalzoom)
+	dc:setRotate(self.globalrotate);
 	dc:setOffset(self.offset_x, self.offset_y)
 	self.fullwidth, self.fullheight = page:getSize(dc)
 	self.min_offset_x = fb.bb:getWidth() - self.fullwidth
@@ -209,9 +212,9 @@ end
 function PDFReader:show(no)
 	local slot
 	if self.globalzoommode ~= self.ZOOM_BY_VALUE then
-		slot = self:draworcache(no,self.globalzoommode,self.offset_x,self.offset_y,width,height,self.globalgamma)
+		slot = self:draworcache(no,self.globalzoommode,self.offset_x,self.offset_y,width,height,self.globalgamma,self.globalrotate)
 	else
-		slot = self:draworcache(no,self.globalzoom,self.offset_x,self.offset_y,width,height,self.globalgamma)
+		slot = self:draworcache(no,self.globalzoom,self.offset_x,self.offset_y,width,height,self.globalgamma,self.globalrotate)
 	end
 	fb.bb:blitFullFrom(self.cache[slot].bb)
 	if self.rcount == self.rcountmax then
@@ -236,9 +239,9 @@ function PDFReader:goto(no)
 	if no < self.doc:getPages() then
 		if self.globalzoommode ~= self.ZOOM_BY_VALUE then
 			-- pre-cache next page
-			self:draworcache(no+1,self.globalzoommode,self.offset_x,self.offset_y,width,height,self.globalgamma)
+			self:draworcache(no+1,self.globalzoommode,self.offset_x,self.offset_y,width,height,self.globalgamma,self.globalrotate)
 		else
-			self:draworcache(no,self.globalzoom,self.offset_x,self.offset_y,width,height,self.globalgamma)
+			self:draworcache(no,self.globalzoom,self.offset_x,self.offset_y,width,height,self.globalgamma,self.globalrotate)
 		end
 	end
 end
@@ -267,6 +270,11 @@ function PDFReader:setglobalzoom(zoom)
 	end
 end
 
+function PDFReader:setrotate(rotate)
+	self.globalrotate = rotate
+	self:goto(self.pageno)
+end
+
 -- wait for input and handle it
 function PDFReader:inputloop()
 	while 1 do
@@ -280,7 +288,7 @@ function PDFReader:inputloop()
 			elseif ev.code == KEY_PGFWD then
 				if self.shiftmode then
 					self:setglobalzoom(self.globalzoom*1.2)
-				elseif altmode then
+				elseif self.altmode then
 					self:setglobalzoom(self.globalzoom*1.1)
 				else
 					self:goto(self.pageno + 1)
@@ -288,7 +296,7 @@ function PDFReader:inputloop()
 			elseif ev.code == KEY_PGBCK then
 				if self.shiftmode then
 					self:setglobalzoom(self.globalzoom*0.8)
-				elseif altmode then
+				elseif self.altmode then
 					self:setglobalzoom(self.globalzoom*0.9)
 				else
 					self:goto(self.pageno - 1)
@@ -326,6 +334,11 @@ function PDFReader:inputloop()
 				else
 					self:setglobalzoommode(self.ZOOM_FIT_TO_PAGE_HEIGHT)
 				end
+
+			elseif ev.code == KEY_J then
+				self:setrotate( self.globalrotate + 10 )
+			elseif ev.code == KEY_K then
+				self:setrotate( self.globalrotate - 10 )
 			end
 
 			if self.globalzoommode == self.ZOOM_BY_VALUE then

reader.lua

@@ -40,6 +40,7 @@ if optarg["h"] or ARGV[optind] == nil then
 	print("                          (floating point notation, e.g. \"1.5\")")
 	print("-d, --device=DEVICE       set device specific configuration,")
 	print("                          currently one of \"kdxg\" (default), \"k3\"")
+	print("                          \"emu\" (DXG emulation)")
 	print("-h, --help                show this usage help")
 	print("")
 	print("If you give the name of a directory instead of a path, a file")
@@ -63,6 +64,15 @@ elseif optarg["d"] == "emu" then
 else
 	input.open("/dev/input/event0")
 	input.open("/dev/input/event1")
+
+	-- check if we are running on Kindle 3 (additional volume input)
+	local f=lfs.attributes("/dev/input/event2")
+	print(f)
+	if f then
+		print("Auto-detected Kindle 3")
+		set_k3_keycodes()
+	end
+
 end
 
 if optarg["G"] ~= nil then