diff options
Diffstat (limited to 'tex/context/base/mkiv/mlib-pps.lua')
| -rw-r--r-- | tex/context/base/mkiv/mlib-pps.lua | 87 |
1 files changed, 61 insertions, 26 deletions
diff --git a/tex/context/base/mkiv/mlib-pps.lua b/tex/context/base/mkiv/mlib-pps.lua index 5ee375982..5708577fe 100644 --- a/tex/context/base/mkiv/mlib-pps.lua +++ b/tex/context/base/mkiv/mlib-pps.lua @@ -202,7 +202,8 @@ local function checkandconvert(ca,cb,model) ca = { cmyktorgb(ca[1],ca[2],ca[3],ca[4]) } cb = { cmyktorgb(cb[1],cb[2],cb[3],cb[4]) } elseif #ca == 1 then - local a, b = 1-ca[1], 1-cb[1] + local a = 1 - ca[1] + local b = 1 - cb[1] ca = { a, a, a } cb = { b, b, b } end @@ -334,14 +335,19 @@ function models.all(cr) local s = cr[1] return checked_color_pair(f_gray,s,s) elseif n == 3 then - local r, g, b = cr[1], cr[2], cr[3] + local r = cr[1] + local g = cr[2] + local b = cr[3] if r == g and g == b then return checked_color_pair(f_gray,r,r) else return checked_color_pair(f_rgb,r,g,b,r,g,b) end else - local c, m, y, k = cr[1], cr[2], cr[3], cr[4] + local c = cr[1] + local m = cr[2] + local y = cr[3] + local k = cr[4] if c == m and m == y and y == 0 then k = 1 - k return checked_color_pair(f_gray,k,k) @@ -353,10 +359,15 @@ function models.all(cr) local s = cr[1] return checked_color_pair(f_gray,s,s) elseif n == 3 then - local r, g, b = cr[1], cr[2], cr[3] + local r = cr[1] + local g = cr[2] + local b = cr[3] return checked_color_pair(f_rgb,r,g,b,r,g,b) else - local c, m, y, k = cr[1], cr[2], cr[3], cr[4] + local c = cr[1] + local m = cr[2] + local y = cr[3] + local k = cr[4] return checked_color_pair(f_cmyk,c,m,y,k,c,m,y,k) end end @@ -370,14 +381,19 @@ function models.rgb(cr) local s = cr[1] checked_color_pair(f_gray,s,s) elseif n == 3 then - local r, g, b = cr[1], cr[2], cr[3] + local r = cr[1] + local g = cr[2] + local b = cr[3] if r == g and g == b then return checked_color_pair(f_gray,r,r) else return checked_color_pair(f_rgb,r,g,b,r,g,b) end else - local c, m, y, k = cr[1], cr[2], cr[3], cr[4] + local c = cr[1] + local m = cr[2] + local y = cr[3] + local k = cr[4] if c == m and m == y and y == 0 then k = 1 - k return checked_color_pair(f_gray,k,k) @@ -390,11 +406,12 @@ function models.rgb(cr) local s = cr[1] return checked_color_pair(f_gray,s,s) else + local r = cr[1] + local g = cr[2] + local b = cr[3] local r, g, b if n == 3 then - r, g, b = cmyktorgb(cr[1],cr[2],cr[3],cr[4]) - else - r, g, b = cr[1], cr[2], cr[3] + r, g, b = cmyktorgb(r,g,b,cr[4]) end return checked_color_pair(f_rgb,r,g,b,r,g,b) end @@ -409,7 +426,9 @@ function models.cmyk(cr) local s = cr[1] return checked_color_pair(f_gray,s,s) elseif n == 3 then - local r, g, b = cr[1], cr[2], cr[3] + local r = cr[1] + local g = cr[2] + local b = cr[3] if r == g and g == b then return checked_color_pair(f_gray,r,r) else @@ -417,7 +436,10 @@ function models.cmyk(cr) return checked_color_pair(f_cmyk,c,m,y,k,c,m,y,k) end else - local c, m, y, k = cr[1], cr[2], cr[3], cr[4] + local c = cr[1] + local m = cr[2] + local y = cr[3] + local k = cr[4] if c == m and m == y and y == 0 then k = k - 1 return checked_color_pair(f_gray,k,k) @@ -429,18 +451,20 @@ function models.cmyk(cr) local s = cr[1] return checked_color_pair(f_gray,s,s) else - local c, m, y, k + local c = cr[1] + local m = cr[2] + local y = cr[3] + local k = cr[4] if n == 3 then - c, m, y, k = rgbtocmyk(cr[1],cr[2],cr[3]) - else - c, m, y, k = cr[1], cr[2], cr[3], cr[4] + c, m, y, k = rgbtocmyk(c,m,y) end return checked_color_pair(f_cmyk,c,m,y,k,c,m,y,k) end end function models.gray(cr) - local n, s = #cr, 0 + local n = #cr + local s = 0 if n == 0 then return checked_color_pair() elseif n == 4 then @@ -714,11 +738,16 @@ local basepoints = number.dimenfactors["bp"] local function cm(object) local op = object.path if op then - local first, second, fourth = op[1], op[2], op[4] + local first = op[1] + local second = op[2] + local fourth = op[4] if fourth then - local tx, ty = first.x_coord, first.y_coord - local sx, sy = second.x_coord - tx, fourth.y_coord - ty - local rx, ry = second.y_coord - ty, fourth.x_coord - tx + local tx = first.x_coord + local ty = first.y_coord + local sx = second.x_coord - tx + local sy = fourth.y_coord - ty + local rx = second.y_coord - ty + local ry = fourth.x_coord - tx if sx == 0 then sx = 0.00001 end if sy == 0 then sy = 0.00001 end return sx, rx, ry, sy, tx, ty @@ -1166,10 +1195,13 @@ end local function ps_process(object,prescript,before,after) local ps_label = prescript.ps_label if ps_label then - local op = object.path - local first, third = op[1], op[3] - local x, y = first.x_coord, first.y_coord - local w, h = third.x_coord - x, third.y_coord - y + local op = object.path + local first = op[1] + local third = op[3] + local x = first.x_coord + local y = first.y_coord + local w = third.x_coord - x + local h = third.y_coord - y local properties = metapost.properties x = x - properties.llx y = properties.ury - y @@ -1370,7 +1402,10 @@ local function gr_process(object,prescript,before,after) elseif gr_state == "start" then local gr_type = utilities.parsers.settings_to_set(prescript.gr_type) local path = object.path - local p1, p2, p3, p4 = path[1], path[2], path[3], path[4] + local p1 = path[1] + local p2 = path[2] + local p3 = path[3] + local p4 = path[4] local llx = min(p1.x_coord,p2.x_coord,p3.x_coord,p4.x_coord) local lly = min(p1.y_coord,p2.y_coord,p3.y_coord,p4.y_coord) local urx = max(p1.x_coord,p2.x_coord,p3.x_coord,p4.x_coord) |