diff options
Diffstat (limited to 'tex/context/base/mkiv/font-cff.lua')
| -rw-r--r-- | tex/context/base/mkiv/font-cff.lua | 535 |
1 files changed, 364 insertions, 171 deletions
diff --git a/tex/context/base/mkiv/font-cff.lua b/tex/context/base/mkiv/font-cff.lua index 2c7d61521..75486624b 100644 --- a/tex/context/base/mkiv/font-cff.lua +++ b/tex/context/base/mkiv/font-cff.lua @@ -26,7 +26,7 @@ if not modules then modules = { } end modules ['font-cff'] = { -- with merging subroutines and flattening, not so much with calculations.) On -- the other hand, we can now feed back cff2 stuff. -local next, type, tonumber = next, type, tonumber +local next, type, tonumber, rawget = next, type, tonumber, rawget local byte, char, gmatch = string.byte, string.char, string.gmatch local concat, remove, unpack = table.concat, table.remove, table.unpack local floor, abs, round, ceil, min, max = math.floor, math.abs, math.round, math.ceil, math.min, math.max @@ -34,6 +34,8 @@ local P, C, R, S, C, Cs, Ct = lpeg.P, lpeg.C, lpeg.R, lpeg.S, lpeg.C, lpeg.Cs, l local lpegmatch = lpeg.match local formatters = string.formatters local bytetable = string.bytetable +local idiv = number.idiv +local rshift, band, extract = bit32.rshift, bit32.band, bit32.extract local readers = fonts.handlers.otf.readers local streamreader = readers.streamreader @@ -287,12 +289,30 @@ do result.fontbbox = { unpack(stack,1,4) } top = 0 end - -- + P("\06") / function() end -- bluevalues - -- + P("\07") / function() end -- otherblues - -- + P("\08") / function() end -- familyblues - -- + P("\09") / function() end -- familyotherblues - -- + P("\10") / function() end -- strhw - -- + P("\11") / function() end -- stdvw + + P("\06") / function() + result.bluevalues = { unpack(stack,1,top) } + top = 0 + end + + P("\07") / function() + result.otherblues = { unpack(stack,1,top) } + top = 0 + end + + P("\08") / function() + result.familyblues = { unpack(stack,1,top) } + top = 0 + end + + P("\09") / function() + result.familyotherblues = { unpack(stack,1,top) } + top = 0 + end + + P("\10") / function() + result.strhw = stack[top] + top = 0 + end + + P("\11") / function() + result.strvw = stack[top] + top = 0 + end + P("\13") / function() result.uniqueid = stack[top] top = 0 @@ -386,6 +406,26 @@ do result.strokewidth = stack[top] top = 0 end + + P("\09") / function() + result.bluescale = stack[top] + top = 0 + end + + P("\10") / function() + result.bluesnap = stack[top] + top = 0 + end + + P("\11") / function() + result.bluefuzz = stack[top] + top = 0 + end + + P("\12") / function() + result.stemsnaph = { unpack(stack,1,top) } + top = 0 + end + + P("\13") / function() + result.stemsnapv = { unpack(stack,1,top) } + top = 0 + end + P("\20") / function() result.syntheticbase = stack[top] top = 0 @@ -446,52 +486,27 @@ do -- the second variant is much faster. Not that it matters much as we don't see -- such numbers often. - local p_last = P("\x0F") / "0" + P("\x1F") / "1" + P("\x2F") / "2" + P("\x3F") / "3" - + P("\x4F") / "4" + P("\x5F") / "5" + P("\x6F") / "6" + P("\x7F") / "7" - + P("\x8F") / "8" + P("\x9F") / "9" + P("\xAF") / "" + P("\xBF") / "" - + P("\xCF") / "" + P("\xDF") / "" + P("\xEF") / "" + R("\xF0\xFF") / "" - - -- local remap = { [0] = - -- "00", "01", "02", "03", "04", "05", "06", "07", "08", "09", "0.", "0E", "0E-", "0", "0-", "0", - -- "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "0.", "0E", "0E-", "0", "0-", "0", - -- "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "0.", "0E", "0E-", "0", "0-", "0", - -- "30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "0.", "0E", "0E-", "0", "0-", "0", - -- "40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "0.", "0E", "0E-", "0", "0-", "0", - -- "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "0.", "0E", "0E-", "0", "0-", "0", - -- "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "0.", "0E", "0E-", "0", "0-", "0", - -- "70", "71", "72", "73", "74", "75", "76", "77", "78", "79", "0.", "0E", "0E-", "0", "0-", "0", - -- "80", "81", "82", "83", "84", "85", "86", "87", "88", "89", "0.", "0E", "0E-", "0", "0-", "0", - -- "90", "91", "92", "93", "94", "95", "96", "97", "98", "99", "0.", "0E", "0E-", "0", "0-", "0", - -- ".0", ".1", ".2", ".3", ".4", ".5", ".6", ".7", ".8", ".9", "..", ".E", ".E-", ".", ".-", ".", - -- "E0", "E1", "E2", "E3", "E4", "E5", "E6", "E7", "E8", "E9", "E.", "EE", "EE-", "E", "E-", "E", - -- "E-0", "E-1", "E-2", "E-3", "E-4", "E-5", "E-6", "E-7", "E-8", "E-9", "E-.", "E-E", "E-E-", "E-", "E--", "E-", - -- "-0", "-1", "-2", "-3", "-4", "-5", "-6", "-7", "-8", "-9", "-.", "-E", "-E-", "-", "--", "-", - -- } - - -- local p_nibbles = Cs(((1-p_last)/byte/remap)^0+p_last) - - -- local p = P("\30") * p_nibbles / function(t) - -- print(tonumber(t)) - -- end - local remap = { ["\x00"] = "00", ["\x01"] = "01", ["\x02"] = "02", ["\x03"] = "03", ["\x04"] = "04", ["\x05"] = "05", ["\x06"] = "06", ["\x07"] = "07", ["\x08"] = "08", ["\x09"] = "09", ["\x0A"] = "0.", ["\x0B"] = "0E", ["\x0C"] = "0E-", ["\x0D"] = "0", ["\x0E"] = "0-", ["\x0F"] = "0", - ["\x10"] = "10", ["\x11"] = "11", ["\x12"] = "12", ["\x13"] = "13", ["\x14"] = "14", ["\x15"] = "15", ["\x16"] = "16", ["\x17"] = "17", ["\x18"] = "18", ["\x19"] = "19", ["\x1A"] = "0.", ["\x1B"] = "0E", ["\x1C"] = "0E-", ["\x1D"] = "0", ["\x1E"] = "0-", ["\x1F"] = "0", - ["\x20"] = "20", ["\x21"] = "21", ["\x22"] = "22", ["\x23"] = "23", ["\x24"] = "24", ["\x25"] = "25", ["\x26"] = "26", ["\x27"] = "27", ["\x28"] = "28", ["\x29"] = "29", ["\x2A"] = "0.", ["\x2B"] = "0E", ["\x2C"] = "0E-", ["\x2D"] = "0", ["\x2E"] = "0-", ["\x2F"] = "0", - ["\x30"] = "30", ["\x31"] = "31", ["\x32"] = "32", ["\x33"] = "33", ["\x34"] = "34", ["\x35"] = "35", ["\x36"] = "36", ["\x37"] = "37", ["\x38"] = "38", ["\x39"] = "39", ["\x3A"] = "0.", ["\x3B"] = "0E", ["\x3C"] = "0E-", ["\x3D"] = "0", ["\x3E"] = "0-", ["\x3F"] = "0", - ["\x40"] = "40", ["\x41"] = "41", ["\x42"] = "42", ["\x43"] = "43", ["\x44"] = "44", ["\x45"] = "45", ["\x46"] = "46", ["\x47"] = "47", ["\x48"] = "48", ["\x49"] = "49", ["\x4A"] = "0.", ["\x4B"] = "0E", ["\x4C"] = "0E-", ["\x4D"] = "0", ["\x4E"] = "0-", ["\x4F"] = "0", - ["\x50"] = "50", ["\x51"] = "51", ["\x52"] = "52", ["\x53"] = "53", ["\x54"] = "54", ["\x55"] = "55", ["\x56"] = "56", ["\x57"] = "57", ["\x58"] = "58", ["\x59"] = "59", ["\x5A"] = "0.", ["\x5B"] = "0E", ["\x5C"] = "0E-", ["\x5D"] = "0", ["\x5E"] = "0-", ["\x5F"] = "0", - ["\x60"] = "60", ["\x61"] = "61", ["\x62"] = "62", ["\x63"] = "63", ["\x64"] = "64", ["\x65"] = "65", ["\x66"] = "66", ["\x67"] = "67", ["\x68"] = "68", ["\x69"] = "69", ["\x6A"] = "0.", ["\x6B"] = "0E", ["\x6C"] = "0E-", ["\x6D"] = "0", ["\x6E"] = "0-", ["\x6F"] = "0", - ["\x70"] = "70", ["\x71"] = "71", ["\x72"] = "72", ["\x73"] = "73", ["\x74"] = "74", ["\x75"] = "75", ["\x76"] = "76", ["\x77"] = "77", ["\x78"] = "78", ["\x79"] = "79", ["\x7A"] = "0.", ["\x7B"] = "0E", ["\x7C"] = "0E-", ["\x7D"] = "0", ["\x7E"] = "0-", ["\x7F"] = "0", - ["\x80"] = "80", ["\x81"] = "81", ["\x82"] = "82", ["\x83"] = "83", ["\x84"] = "84", ["\x85"] = "85", ["\x86"] = "86", ["\x87"] = "87", ["\x88"] = "88", ["\x89"] = "89", ["\x8A"] = "0.", ["\x8B"] = "0E", ["\x8C"] = "0E-", ["\x8D"] = "0", ["\x8E"] = "0-", ["\x8F"] = "0", - ["\x90"] = "90", ["\x91"] = "91", ["\x92"] = "92", ["\x93"] = "93", ["\x94"] = "94", ["\x95"] = "95", ["\x96"] = "96", ["\x97"] = "97", ["\x98"] = "98", ["\x99"] = "99", ["\x9A"] = "0.", ["\x9B"] = "0E", ["\x9C"] = "0E-", ["\x9D"] = "0", ["\x9E"] = "0-", ["\x9F"] = "0", + ["\x10"] = "10", ["\x11"] = "11", ["\x12"] = "12", ["\x13"] = "13", ["\x14"] = "14", ["\x15"] = "15", ["\x16"] = "16", ["\x17"] = "17", ["\x18"] = "18", ["\x19"] = "19", ["\x1A"] = "1.", ["\x1B"] = "1E", ["\x1C"] = "1E-", ["\x1D"] = "1", ["\x1E"] = "1-", ["\x1F"] = "1", + ["\x20"] = "20", ["\x21"] = "21", ["\x22"] = "22", ["\x23"] = "23", ["\x24"] = "24", ["\x25"] = "25", ["\x26"] = "26", ["\x27"] = "27", ["\x28"] = "28", ["\x29"] = "29", ["\x2A"] = "2.", ["\x2B"] = "2E", ["\x2C"] = "2E-", ["\x2D"] = "2", ["\x2E"] = "2-", ["\x2F"] = "2", + ["\x30"] = "30", ["\x31"] = "31", ["\x32"] = "32", ["\x33"] = "33", ["\x34"] = "34", ["\x35"] = "35", ["\x36"] = "36", ["\x37"] = "37", ["\x38"] = "38", ["\x39"] = "39", ["\x3A"] = "3.", ["\x3B"] = "3E", ["\x3C"] = "3E-", ["\x3D"] = "3", ["\x3E"] = "3-", ["\x3F"] = "3", + ["\x40"] = "40", ["\x41"] = "41", ["\x42"] = "42", ["\x43"] = "43", ["\x44"] = "44", ["\x45"] = "45", ["\x46"] = "46", ["\x47"] = "47", ["\x48"] = "48", ["\x49"] = "49", ["\x4A"] = "4.", ["\x4B"] = "4E", ["\x4C"] = "4E-", ["\x4D"] = "4", ["\x4E"] = "4-", ["\x4F"] = "4", + ["\x50"] = "50", ["\x51"] = "51", ["\x52"] = "52", ["\x53"] = "53", ["\x54"] = "54", ["\x55"] = "55", ["\x56"] = "56", ["\x57"] = "57", ["\x58"] = "58", ["\x59"] = "59", ["\x5A"] = "5.", ["\x5B"] = "5E", ["\x5C"] = "5E-", ["\x5D"] = "5", ["\x5E"] = "5-", ["\x5F"] = "5", + ["\x60"] = "60", ["\x61"] = "61", ["\x62"] = "62", ["\x63"] = "63", ["\x64"] = "64", ["\x65"] = "65", ["\x66"] = "66", ["\x67"] = "67", ["\x68"] = "68", ["\x69"] = "69", ["\x6A"] = "6.", ["\x6B"] = "6E", ["\x6C"] = "6E-", ["\x6D"] = "6", ["\x6E"] = "6-", ["\x6F"] = "6", + ["\x70"] = "70", ["\x71"] = "71", ["\x72"] = "72", ["\x73"] = "73", ["\x74"] = "74", ["\x75"] = "75", ["\x76"] = "76", ["\x77"] = "77", ["\x78"] = "78", ["\x79"] = "79", ["\x7A"] = "7.", ["\x7B"] = "7E", ["\x7C"] = "7E-", ["\x7D"] = "7", ["\x7E"] = "7-", ["\x7F"] = "7", + ["\x80"] = "80", ["\x81"] = "81", ["\x82"] = "82", ["\x83"] = "83", ["\x84"] = "84", ["\x85"] = "85", ["\x86"] = "86", ["\x87"] = "87", ["\x88"] = "88", ["\x89"] = "89", ["\x8A"] = "8.", ["\x8B"] = "8E", ["\x8C"] = "8E-", ["\x8D"] = "8", ["\x8E"] = "8-", ["\x8F"] = "8", + ["\x90"] = "90", ["\x91"] = "91", ["\x92"] = "92", ["\x93"] = "93", ["\x94"] = "94", ["\x95"] = "95", ["\x96"] = "96", ["\x97"] = "97", ["\x98"] = "98", ["\x99"] = "99", ["\x9A"] = "9.", ["\x9B"] = "9E", ["\x9C"] = "9E-", ["\x9D"] = "9", ["\x9E"] = "9-", ["\x9F"] = "9", ["\xA0"] = ".0", ["\xA1"] = ".1", ["\xA2"] = ".2", ["\xA3"] = ".3", ["\xA4"] = ".4", ["\xA5"] = ".5", ["\xA6"] = ".6", ["\xA7"] = ".7", ["\xA8"] = ".8", ["\xA9"] = ".9", ["\xAA"] = "..", ["\xAB"] = ".E", ["\xAC"] = ".E-", ["\xAD"] = ".", ["\xAE"] = ".-", ["\xAF"] = ".", ["\xB0"] = "E0", ["\xB1"] = "E1", ["\xB2"] = "E2", ["\xB3"] = "E3", ["\xB4"] = "E4", ["\xB5"] = "E5", ["\xB6"] = "E6", ["\xB7"] = "E7", ["\xB8"] = "E8", ["\xB9"] = "E9", ["\xBA"] = "E.", ["\xBB"] = "EE", ["\xBC"] = "EE-", ["\xBD"] = "E", ["\xBE"] = "E-", ["\xBF"] = "E", ["\xC0"] = "E-0", ["\xC1"] = "E-1", ["\xC2"] = "E-2", ["\xC3"] = "E-3", ["\xC4"] = "E-4", ["\xC5"] = "E-5", ["\xC6"] = "E-6", ["\xC7"] = "E-7", ["\xC8"] = "E-8", ["\xC9"] = "E-9", ["\xCA"] = "E-.", ["\xCB"] = "E-E", ["\xCC"] = "E-E-", ["\xCD"] = "E-", ["\xCE"] = "E--", ["\xCF"] = "E-", ["\xD0"] = "-0", ["\xD1"] = "-1", ["\xD2"] = "-2", ["\xD3"] = "-3", ["\xD4"] = "-4", ["\xD5"] = "-5", ["\xD6"] = "-6", ["\xD7"] = "-7", ["\xD8"] = "-8", ["\xD9"] = "-9", ["\xDA"] = "-.", ["\xDB"] = "-E", ["\xDC"] = "-E-", ["\xDD"] = "-", ["\xDE"] = "--", ["\xDF"] = "-", } - local p_nibbles = P("\30") * Cs(((1-p_last)/remap)^0+p_last) / function(n) + local p_last = S("\x0F\x1F\x2F\x3F\x4F\x5F\x6F\x7F\x8F\x9F\xAF\xBF") + + R("\xF0\xFF") + + local p_nibbles = P("\30") * Cs(((1-p_last)/remap)^0 * (P(1)/remap)) / function(n) -- 0-9=digit a=. b=E c=E- d=reserved e=- f=finish top = top + 1 stack[top] = tonumber(n) or 0 @@ -1230,7 +1245,7 @@ do if trace_charstrings then showstate("stem") end - stems = stems + top/2 + stems = stems + idiv(top,2) top = 0 end @@ -1251,14 +1266,15 @@ do if trace_charstrings then showstate(operator == 19 and "hintmark" or "cntrmask") end - stems = stems + top/2 + stems = stems + idiv(top,2) top = 0 if stems == 0 then -- forget about it elseif stems <= 8 then return 1 else - return floor((stems+7)/8) + -- return floor((stems+7)/8) + return idiv(stems+7,8) end end @@ -1305,8 +1321,9 @@ do local function hsbw() if version == 1 then if trace_charstrings then - showstate("dotsection") + showstate("hsbw") end + -- lsb = stack[top-1] width = stack[top] end top = 0 @@ -1528,89 +1545,115 @@ do [037] = flex1, } - local c_endchar = char(14) + local chars = setmetatableindex(function (t,k) + local v = char(k) + t[k] = v + return v + end) - local passon do + local c_endchar = chars[14] - -- todo: round in blend - -- todo: delay this hash + -- todo: round in blend - local rshift = bit32.rshift - local band = bit32.band - local round = math.round + local encode = { } - local encode = table.setmetatableindex(function(t,i) - for i=-2048,-1130 do - t[i] = char(28,band(rshift(i,8),0xFF),band(i,0xFF)) - end - for i=-1131,-108 do - local v = 0xFB00 - i - 108 - t[i] = char(band(rshift(v,8),0xFF),band(v,0xFF)) - end - for i=-107,107 do - t[i] = char(i + 139) - end - for i=108,1131 do - local v = 0xF700 + i - 108 - t[i] = char(band(rshift(v,8),0xFF),band(v,0xFF)) - end - for i=1132,2048 do - t[i] = char(28,band(rshift(i,8),0xFF),band(i,0xFF)) + -- this eventually can become a helper + + setmetatableindex(encode,function(t,i) + for i=-2048,-1130 do + t[i] = char(28,band(rshift(i,8),0xFF),band(i,0xFF)) + end + for i=-1131,-108 do + local v = 0xFB00 - i - 108 + t[i] = char(band(rshift(v,8),0xFF),band(v,0xFF)) + end + for i=-107,107 do + t[i] = chars[i + 139] + end + for i=108,1131 do + local v = 0xF700 + i - 108 +-- t[i] = char(band(rshift(v,8),0xFF),band(v,0xFF)) + t[i] = char(extract(v,8,8),extract(v,0,8)) + end + for i=1132,2048 do + t[i] = char(28,band(rshift(i,8),0xFF),band(i,0xFF)) + end + setmetatableindex(encode,function(t,k) + -- 16.16-bit signed fixed value + local r = round(k) + local v = rawget(t,r) + if v then + return v end - return t[i] + local v1 = floor(k) + local v2 = floor((k - v1) * 0x10000) + return char(255,extract(v1,8,8),extract(v1,0,8),extract(v2,8,8),extract(v2,0,8)) end) + return t[i] + end) - local function setvsindex() - local vsindex = stack[top] - updateregions(vsindex) - top = top - 1 - end + readers.cffencoder = encode - local function blend() - -- leaves n values on stack - local n = stack[top] - top = top - 1 - if not axis then - -- fatal error - elseif n == 1 then - top = top - nofregions - local v = stack[top] + local function p_setvsindex() + local vsindex = stack[top] + updateregions(vsindex) + top = top - 1 + end + + local function p_blend() + -- leaves n values on stack + local n = stack[top] + top = top - 1 + if not axis then + -- fatal error + elseif n == 1 then + top = top - nofregions + local v = stack[top] + for r=1,nofregions do + v = v + stack[top+r] * factors[r] + end + stack[top] = round(v) + else + top = top - nofregions * n + local d = top + local k = top - n + for i=1,n do + k = k + 1 + local v = stack[k] for r=1,nofregions do - v = v + stack[top+r] * factors[r] - end - stack[top] = round(v) - else - top = top - nofregions * n - local d = top - local k = top - n - for i=1,n do - k = k + 1 - local v = stack[k] - for r=1,nofregions do - v = v + stack[d+r] * factors[r] - end - stack[k] = round(v) - d = d + nofregions + v = v + stack[d+r] * factors[r] end + stack[k] = round(v) + d = d + nofregions end end + end - passon = function(operation) - if operation == 15 then - setvsindex() - elseif operation == 16 then - blend() - else - for i=1,top do - r = r + 1 - result[r] = encode[stack[i]] - end - r = r + 1 - result[r] = char(operation) -- maybe use a hash - top = 0 - end + local function p_getstem() + local n = 0 + if top % 2 ~= 0 then + n = 1 + end + if top > n then + stems = stems + idiv(top-n,2) end + end + local function p_getmask() + local n = 0 + if top % 2 ~= 0 then + n = 1 + end + if top > n then + stems = stems + idiv(top-n,2) + end + if stems == 0 then + return 0 + elseif stems <= 8 then + return 1 + else + return idiv(stems+7,8) + end end -- end of experiment @@ -1643,6 +1686,42 @@ do local justpass = false + -- local function decode(str) + -- local a, b, c, d, e = byte(str,1,5) + -- if a == 28 then + -- if c then + -- local n = 0x100 * b + c + -- if n >= 0x8000 then + -- return n - 0x10000 + -- else + -- return n + -- end + -- end + -- elseif a < 32 then + -- return false + -- elseif a <= 246 then + -- return a - 139 + -- elseif a <= 250 then + -- if b then + -- return a*256 - 63124 + b + -- end + -- elseif a <= 254 then + -- if b then + -- return -a*256 + 64148 - b + -- end + -- else + -- if e then + -- local n = 0x100 * b + c + -- if n >= 0x8000 then + -- return n - 0x10000 + (0x100 * d + e)/0xFFFF + -- else + -- return n + (0x100 * d + e)/0xFFFF + -- end + -- end + -- end + -- return false + -- end + process = function(tab) local i = 1 local n = #tab @@ -1667,9 +1746,9 @@ do stack[top] = -t*256 + 64148 - tab[i+1] i = i + 2 else + -- a 16.16 float local n = 0x100 * tab[i+1] + tab[i+2] - if n >= 0x8000 then - -- stack[top] = n - 0xFFFF - 1 + (0x100 * tab[i+3] + tab[i+4])/0xFFFF + if n >= 0x8000 then stack[top] = n - 0x10000 + (0x100 * tab[i+3] + tab[i+4])/0xFFFF else stack[top] = n + (0x100 * tab[i+3] + tab[i+4])/0xFFFF @@ -1716,19 +1795,94 @@ do elseif t == 12 then i = i + 1 local t = tab[i] - local a = subactions[t] - if a then - a(t) + if justpass then + if t >= 34 or t <= 37 then -- flexes + for i=1,top do + r = r + 1 ; result[r] = encode[stack[i]] + end + r = r + 1 ; result[r] = chars[12] + r = r + 1 ; result[r] = chars[t] + top = 0 + else + local a = subactions[t] + if a then + a(t) + else + top = 0 + end + end else - if trace_charstrings then - showvalue("<subaction>",t) + local a = subactions[t] + if a then + a(t) + else + if trace_charstrings then + showvalue("<subaction>",t) + end + top = 0 end - top = 0 end i = i + 1 elseif justpass then - passon(t) - i = i + 1 + -- todo: local a = passactions + if t == 15 then + p_setvsindex() + i = i + 1 + elseif t == 16 then + local s = p_blend() or 0 + i = i + s + 1 + -- cff 1: (when cff2 strip them) + elseif t == 1 or t == 3 or t == 18 or operation == 23 then + p_getstem() -- at the start +if true then + if top > 0 then + for i=1,top do + r = r + 1 ; result[r] = encode[stack[i]] + end + top = 0 + end + r = r + 1 ; result[r] = chars[t] +else + top = 0 +end + i = i + 1 + -- cff 1: (when cff2 strip them) + elseif t == 19 or t == 20 then + local s = p_getmask() or 0 -- after the stems +if true then + if top > 0 then + for i=1,top do + r = r + 1 ; result[r] = encode[stack[i]] + end + top = 0 + end + r = r + 1 ; result[r] = chars[t] + for j=1,s do + i = i + 1 + r = r + 1 ; result[r] = chars[tab[i]] + end +else + i = i + s + top = 0 +end + i = i + 1 + -- cff 1: closepath + elseif t == 9 then + top = 0 + i = i + 1 + elseif t == 13 then + local s = hsbw() or 0 + i = i + s + 1 + else + if top > 0 then + for i=1,top do + r = r + 1 ; result[r] = encode[stack[i]] + end + top = 0 + end + r = r + 1 ; result[r] = chars[t] + i = i + 1 + end else local a = actions[t] if a then @@ -1788,20 +1942,32 @@ do -- end local function setbias(globals,locals) - if version == 1 then - return - false, - false - else +-- if version == 1 then -- charstring version, not cff +-- return +-- 0, +-- 0 +-- return +-- 1, +-- 1 +-- else local g, l = #globals, #locals return - ((g < 1240 and 107) or (g < 33900 and 1131) or 32768) + 1, - ((l < 1240 and 107) or (l < 33900 and 1131) or 32768) + 1 - end + ((g < 1240 and 107) or (g < 33900 and 1131) or 32768) + 1, + ((l < 1240 and 107) or (l < 33900 and 1131) or 32768) + 1 +-- end end local function processshape(tab,index) + if not tab then + glyphs[index] = { + boundingbox = { 0, 0, 0, 0 }, + width = 0, + name = charset and charset[index] or nil, + } + return + end + tab = bytetable(tab) x = 0 @@ -1817,7 +1983,6 @@ do ymin = 0 ymax = 0 checked = false - if trace_charstrings then report("glyph: %i",index) report("data : % t",tab) @@ -1937,19 +2102,20 @@ do globalbias, localbias = setbias(globals,locals) nominalwidth, defaultwidth = setwidths(dictionary.private) - startparsing(fontdata,data,streams) - - for index=1,#charstrings do - processshape(charstrings[index],index-1) - charstrings[index] = nil -- free memory (what if used more often?) + if charstrings then + startparsing(fontdata,data,streams) + for index=1,#charstrings do + processshape(charstrings[index],index-1) +-- charstrings[index] = nil -- free memory (what if used more often?) + end + stopparsing(fontdata,data) + else + report("no charstrings") end - - stopparsing(fontdata,data) - return glyphs end - parsecharstring = function(fontdata,data,dictionary,tab,glphs,index,doshapes,tversion) + parsecharstring = function(fontdata,data,dictionary,tab,glphs,index,doshapes,tversion,streams) keepcurve = doshapes version = tversion @@ -1960,6 +2126,8 @@ do vsindex = dictionary.vsindex or 0 glyphs = glphs or { } + justpass = streams == true + globalbias, localbias = setbias(globals,locals) nominalwidth, defaultwidth = setwidths(dictionary.private) @@ -2134,7 +2302,7 @@ local function readfdselect(f,fontdata,data,glyphs,doshapes,version,streams) local format = readbyte(f) if format == 1 then for i=0,nofglyphs do -- notdef included (needs checking) - local index = readbyte(i) + local index = readbyte(f) fdindex[i] = index if index > maxindex then maxindex = index @@ -2165,23 +2333,27 @@ local function readfdselect(f,fontdata,data,glyphs,doshapes,version,streams) -- hm, always if maxindex >= 0 then local cidarray = cid.fdarray - setposition(f,header.offset+cidarray) - local dictionaries = readlengths(f) - for i=1,#dictionaries do - dictionaries[i] = readstring(f,dictionaries[i]) - end - parsedictionaries(data,dictionaries) - cid.dictionaries = dictionaries - readcidprivates(f,data) - for i=1,#dictionaries do - readlocals(f,data,dictionaries[i]) - end - startparsing(fontdata,data,streams) - for i=1,#charstrings do - parsecharstring(fontdata,data,dictionaries[fdindex[i]+1],charstrings[i],glyphs,i,doshapes,version) - charstrings[i] = nil + if cidarray then + setposition(f,header.offset+cidarray) + local dictionaries = readlengths(f) + for i=1,#dictionaries do + dictionaries[i] = readstring(f,dictionaries[i]) + end + parsedictionaries(data,dictionaries) + cid.dictionaries = dictionaries + readcidprivates(f,data) + for i=1,#dictionaries do + readlocals(f,data,dictionaries[i]) + end + startparsing(fontdata,data,streams) + for i=1,#charstrings do + parsecharstring(fontdata,data,dictionaries[fdindex[i]+1],charstrings[i],glyphs,i,doshapes,version,streams) +-- charstrings[i] = nil + end + stopparsing(fontdata,data) + else + report("no cid array") end - stopparsing(fontdata,data) end end @@ -2200,7 +2372,7 @@ local function cleanup(data,dictionaries) end function readers.cff(f,fontdata,specification) - local tableoffset = gotodatatable(f,fontdata,"cff",specification.details) + local tableoffset = gotodatatable(f,fontdata,"cff",specification.details or specification.glyphs) if tableoffset then local header = readheader(f) if header.major ~= 1 then @@ -2223,14 +2395,17 @@ function readers.cff(f,fontdata,specification) -- local dic = dictionaries[1] local cid = dic.cid - fontdata.cffinfo = { - familynamename = dic.familyname, + -- + local cffinfo = { + familyname = dic.familyname, fullname = dic.fullname, boundingbox = dic.boundingbox, weight = dic.weight, italicangle = dic.italicangle, underlineposition = dic.underlineposition, underlinethickness = dic.underlinethickness, + defaultwidth = dic.defaultwidthx, + nominalwidth = dic.nominalwidthx, monospaced = dic.monospaced, } fontdata.cidinfo = cid and { @@ -2238,13 +2413,31 @@ function readers.cff(f,fontdata,specification) ordering = cid.ordering, supplement = cid.supplement, } + fontdata.cffinfo = cffinfo -- - if specification.glyphs then - local all = specification.shapes or false + local all = specification.shapes or specification.streams or false + if specification.glyphs or all then if cid and cid.fdselect then - readfdselect(f,fontdata,data,glyphs,all,"cff") + readfdselect(f,fontdata,data,glyphs,all,"cff",specification.streams) else - readnoselect(f,fontdata,data,glyphs,all,"cff") + readnoselect(f,fontdata,data,glyphs,all,"cff",specification.streams) + end + end + local private = dic.private + if private then + local data = private.data + if type(data) == "table" then + cffinfo.defaultwidth = data.defaultwidth or cffinfo.defaultwidth + cffinfo.nominalwidth = data.nominalwidth or cffinfo.nominalwidth + cffinfo.bluevalues = data.bluevalues + cffinfo.otherblues = data.otherblues + cffinfo.familyblues = data.familyblues + cffinfo.familyotherblues = data.familyotherblues + cffinfo.bluescale = data.bluescale + cffinfo.blueshift = data.blueshift + cffinfo.bluefuzz = data.bluefuzz + cffinfo.stdhw = data.stdhw + cffinfo.stdvw = data.stdvw end end cleanup(data,dictionaries) @@ -2283,7 +2476,7 @@ function readers.cff2(f,fontdata,specification) data.factors = specification.factors -- local cid = data.dictionaries[1].cid - local all = specification.shapes or false + local all = specification.shapes or specification.streams or false if cid and cid.fdselect then readfdselect(f,fontdata,data,glyphs,all,"cff2",specification.streams) else @@ -2316,7 +2509,7 @@ function readers.cffcheck(filename) dictionaries = dictionaries, strings = strings, glyphs = glyphs, - nofglyphs = 4, + nofglyphs = 0, } -- parsedictionaries(data,dictionaries,"cff") |