diff options
Diffstat (limited to 'src/fontloader/misc')
| -rw-r--r-- | src/fontloader/misc/fontloader-font-ocl.lua | 79 | ||||
| -rw-r--r-- | src/fontloader/misc/fontloader-l-file.lua | 11 | ||||
| -rw-r--r-- | src/fontloader/misc/fontloader-l-io.lua | 95 |
3 files changed, 142 insertions, 43 deletions
diff --git a/src/fontloader/misc/fontloader-font-ocl.lua b/src/fontloader/misc/fontloader-font-ocl.lua index ed1be95..0e415d7 100644 --- a/src/fontloader/misc/fontloader-font-ocl.lua +++ b/src/fontloader/misc/fontloader-font-ocl.lua @@ -9,43 +9,77 @@ if not modules then modules = { } end modules ['font-ocl'] = { -- todo : user list of colors local tostring, next, format = tostring, next, string.format +local round, max = math.round, math.round local formatters = string.formatters +local tounicode = fonts.mappings.tounicode -local otf = fonts.handlers.otf +local graytorgb = attributes.colors.graytorgb +local cmyktorgb = attributes.colors.cmyktorgb -local f_color_start = formatters["pdf:direct: %f %f %f rg"] -local s_color_stop = "pdf:direct:" +local otf = fonts.handlers.otf + +local f_color = formatters["pdf:direct:%f %f %f rg"] +local f_gray = formatters["pdf:direct:%f g"] +local s_black = "pdf:direct:0 g" if context then local startactualtext = nil local stopactualtext = nil - function otf.getactualtext(n) + function otf.getactualtext(s) if not startactualtext then - startactualtext = backends.codeinjections.startunicodetoactualtext - stopactualtext = backends.codeinjections.stopunicodetoactualtext + startactualtext = backends.codeinjections.startunicodetoactualtextdirect + stopactualtext = backends.codeinjections.stopunicodetoactualtextdirect end - return startactualtext(n), stopactualtext() + return startactualtext(s), stopactualtext() end else local tounicode = fonts.mappings.tounicode16 - function otf.getactualtext(n) - return "/Span << /ActualText <feff" .. tounicode(n) .. "> >> BDC", "EMC" + function otf.getactualtext(s) + return + "/Span << /ActualText <feff" .. n .. "> >> BDC", + "EMC" end end +local sharedpalettes = { } + +function otf.registerpalette(name,values) + sharedpalettes[name] = values + for i=1,#values do + local v = values[i] + local r, g, b + local s = v.s + if s then + r, g, b = graytorgb(s) + else + local c, m, y, k = v.c, v.m, v.y, v.k + if c or m or y or k then + r, g, b = cmyktorgb(c or 0,m or 0,y or 0,k or 0) + else + r, g, b = v.r, v.g, v.b + end + end + values[i] = { + max(r and round(r*255) or 0,255), + max(g and round(g*255) or 0,255), + max(b and round(b*255) or 0,255) + } + end +end + local function initializecolr(tfmdata,kind,value) -- hm, always value if value then local palettes = tfmdata.resources.colorpalettes if palettes then -- - local palette = palettes[tonumber(value) or 1] or palettes[1] or { } + local palette = sharedpalettes[value] or palettes[tonumber(value) or 1] or palettes[1] or { } local classes = #palette if classes == 0 then return @@ -63,7 +97,12 @@ local function initializecolr(tfmdata,kind,value) -- hm, always value -- for i=1,classes do local p = palette[i] - colorvalues[i] = { "special", f_color_start(p[1]/255,p[2]/255,p[3]/255) } + local r, g, b = p[1], p[2], p[3] + if r == g and g == b then + colorvalues[i] = { "special", f_gray(r/255) } + else + colorvalues[i] = { "special", f_color(r/255,g/255,b/255) } + end end -- local getactualtext = otf.getactualtext @@ -73,22 +112,30 @@ local function initializecolr(tfmdata,kind,value) -- hm, always value if description then local colorlist = description.colors if colorlist then - local b, e = getactualtext(unicode) + local b, e = getactualtext(tounicode(characters[unicode].unicode or 0xFFFD)) local w = character.width or 0 local s = #colorlist - local n = 1 local t = { - { "special", "pdf:direct: q " .. b } + -- We need to force page first because otherwise the q's get outside + -- the font switch and as a consequence the next character has no font + -- set (well, it has: the preceding one). As a consequence these fonts + -- are somewhat inefficient as each glyph gets the font set. It's a + -- side effect of the fact that a font is handled when a character gets + -- flushed. + { "special", "pdf:page:q" }, + { "special", "pdf:raw:" .. b } } + local n = #t for i=1,s do local entry = colorlist[i] - n = n + 1 t[n] = colorvalues[entry.class] + n = n + 1 t[n] = colorvalues[entry.class] or s_black n = n + 1 t[n] = { "char", entry.slot } if s > 1 and i < s and w ~= 0 then n = n + 1 t[n] = { "right", -w } end end - n = n + 1 t[n] = { "special", "pdf:direct:" .. e .. " Q" } + n = n + 1 t[n] = { "special", "pdf:page:" .. e } + n = n + 1 t[n] = { "special", "pdf:raw:Q" } character.commands = t end end diff --git a/src/fontloader/misc/fontloader-l-file.lua b/src/fontloader/misc/fontloader-l-file.lua index b6822e9..f2a27ad 100644 --- a/src/fontloader/misc/fontloader-l-file.lua +++ b/src/fontloader/misc/fontloader-l-file.lua @@ -607,14 +607,17 @@ function file.robustname(str,strict) end end -file.readdata = io.loaddata -file.savedata = io.savedata +local loaddata = io.loaddata +local savedata = io.savedata + +file.readdata = loaddata +file.savedata = savedata function file.copy(oldname,newname) if oldname and newname then - local data = io.loaddata(oldname) + local data = loaddata(oldname) if data and data ~= "" then - file.savedata(newname,data) + savedata(newname,data) end end end diff --git a/src/fontloader/misc/fontloader-l-io.lua b/src/fontloader/misc/fontloader-l-io.lua index a91d44d..2039017 100644 --- a/src/fontloader/misc/fontloader-l-io.lua +++ b/src/fontloader/misc/fontloader-l-io.lua @@ -7,6 +7,7 @@ if not modules then modules = { } end modules ['l-io'] = { } local io = io +local open, flush, write, read = io.open, io.flush, io.write, io.read local byte, find, gsub, format = string.byte, string.find, string.gsub, string.format local concat = table.concat local floor = math.floor @@ -30,15 +31,13 @@ local function readall(f) local size = f:seek("end") if size == 0 then return "" - elseif size < 1024*1024 then - f:seek("set",0) + end + f:seek("set",0) + if size < 1024*1024 then return f:read('*all') else - local done = f:seek("set",0) local step - if size < 1024*1024 then - step = 1024 * 1024 - elseif size > 16*1024*1024 then + if size > 16*1024*1024 then step = 16*1024*1024 else step = floor(size/(1024*1024)) * 1024 * 1024 / 8 @@ -58,9 +57,8 @@ end io.readall = readall function io.loaddata(filename,textmode) -- return nil if empty - local f = io.open(filename,(textmode and 'r') or 'rb') + local f = open(filename,(textmode and 'r') or 'rb') if f then - -- local data = f:read('*all') local data = readall(f) f:close() if #data > 0 then @@ -69,8 +67,55 @@ function io.loaddata(filename,textmode) -- return nil if empty end end +function io.copydata(source,target,action) + local f = open(source,"rb") + if f then + local g = open(target,"wb") + if g then + local size = f:seek("end") + if size == 0 then + -- empty + else + f:seek("set",0) + if size < 1024*1024 then + local data = f:read('*all') + if action then + data = action(data) + end + if data then + g:write(data) + end + else + local step + if size > 16*1024*1024 then + step = 16*1024*1024 + else + step = floor(size/(1024*1024)) * 1024 * 1024 / 8 + end + while true do + local data = f:read(step) + if data then + if action then + data = action(data) + end + if data then + g:write(data) + end + else + break + end + end + end + end + g:close() + end + f:close() + flush() + end +end + function io.savedata(filename,data,joiner) - local f = io.open(filename,"wb") + local f = open(filename,"wb") if f then if type(data) == "table" then f:write(concat(data,joiner or "")) @@ -80,7 +125,7 @@ function io.savedata(filename,data,joiner) f:write(data or "") end f:close() - io.flush() + flush() return true else return false @@ -90,7 +135,7 @@ end -- we can also chunk this one if needed: io.lines(filename,chunksize,"*l") function io.loadlines(filename,n) -- return nil if empty - local f = io.open(filename,'r') + local f = open(filename,'r') if not f then -- no file elseif n then @@ -118,7 +163,7 @@ function io.loadlines(filename,n) -- return nil if empty end function io.loadchunk(filename,n) - local f = io.open(filename,'rb') + local f = open(filename,'rb') if f then local data = f:read(n or 1024) f:close() @@ -129,7 +174,7 @@ function io.loadchunk(filename,n) end function io.exists(filename) - local f = io.open(filename) + local f = open(filename) if f == nil then return false else @@ -139,7 +184,7 @@ function io.exists(filename) end function io.size(filename) - local f = io.open(filename) + local f = open(filename) if f == nil then return 0 else @@ -149,11 +194,11 @@ function io.size(filename) end end -function io.noflines(f) +local function noflines(f) if type(f) == "string" then - local f = io.open(filename) + local f = open(filename) if f then - local n = f and io.noflines(f) or 0 + local n = f and noflines(f) or 0 f:close() return n else @@ -169,6 +214,10 @@ function io.noflines(f) end end +io.noflines = noflines + +-- inlined is faster + local nextchar = { [ 4] = function(f) return f:read(1,1,1,1) @@ -250,16 +299,16 @@ end function io.ask(question,default,options) while true do - io.write(question) + write(question) if options then - io.write(format(" [%s]",concat(options,"|"))) + write(format(" [%s]",concat(options,"|"))) end if default then - io.write(format(" [%s]",default)) + write(format(" [%s]",default)) end - io.write(format(" ")) - io.flush() - local answer = io.read() + write(format(" ")) + flush() + local answer = read() answer = gsub(answer,"^%s*(.*)%s*$","%1") if answer == "" and default then return default |