diff options
Diffstat (limited to 'tex/context/base/mkiv/meta-pdf.lua')
| -rw-r--r-- | tex/context/base/mkiv/meta-pdf.lua | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/tex/context/base/mkiv/meta-pdf.lua b/tex/context/base/mkiv/meta-pdf.lua index a0bf16d90..5bcd161c0 100644 --- a/tex/context/base/mkiv/meta-pdf.lua +++ b/tex/context/base/mkiv/meta-pdf.lua @@ -6,6 +6,9 @@ if not modules then modules = { } end modules ['meta-pdf'] = { license = "see context related readme files" } +-- This module is not used in practice but we keep it around for historic +-- reasons. + -- Finally we used an optimized version. The test code can be found in -- meta-pdh.lua but since we no longer want to overload functione we use -- more locals now. This module keeps changing as it is also a testbed. @@ -96,16 +99,28 @@ local function flushpath(cmd) if #m_stack_path > 0 then local path = { } if m_stack_concat then - local sx, sy = m_stack_concat[1], m_stack_concat[4] - local rx, ry = m_stack_concat[2], m_stack_concat[3] - local tx, ty = m_stack_concat[5], m_stack_concat[6] + local sx = m_stack_concat[1] + local sy = m_stack_concat[4] + local rx = m_stack_concat[2] + local ry = m_stack_concat[3] + local tx = m_stack_concat[5] + local ty = m_stack_concat[6] local d = (sx*sy) - (rx*ry) for k=1,#m_stack_path do - local v = m_stack_path[k] - local px, py = v[1], v[2] ; v[1], v[2] = (sy*(px-tx)-ry*(py-ty))/d, (sx*(py-ty)-rx*(px-tx))/d -- mpconcat(v[1],v[2]) + local v = m_stack_path[k] + local px = v[1] + local py = v[2] + v[1] = (sy*(px-tx)-ry*(py-ty))/d + v[2] = (sx*(py-ty)-rx*(px-tx))/d if #v == 7 then - local px, py = v[3], v[4] ; v[3], v[4] = (sy*(px-tx)-ry*(py-ty))/d, (sx*(py-ty)-rx*(px-tx))/d -- mpconcat(v[3],v[4]) - local px, py = v[5], v[6] ; v[5], v[6] = (sy*(px-tx)-ry*(py-ty))/d, (sx*(py-ty)-rx*(px-tx))/d -- mpconcat(v[5],v[6]) + px = v[3] + py = v[4] + v[3] = (sy*(px-tx)-ry*(py-ty))/d + v[4] = (sx*(py-ty)-rx*(px-tx))/d + px = v[5] + py = v[6] + v[5] = (sy*(px-tx)-ry*(py-ty))/d + v[6] = (sx*(py-ty)-rx*(px-tx))/d end path[k] = concat(v," ") end @@ -158,7 +173,8 @@ function mps.lineto(x,y) end function mps.rlineto(x,y) - local dx, dy = 0, 0 + local dx = 0 + local dy = 0 local topofstack = #m_stack_path if topofstack > 0 then local msp = m_stack_path[topofstack] @@ -235,7 +251,8 @@ function mps.clip() end function mps.textext(font, scale, str) -- old parser - local dx, dy = 0, 0 + local dx = 0 + local dy = 0 if #m_stack_path > 0 then dx, dy = m_stack_path[1][1], m_stack_path[1][2] end @@ -330,9 +347,12 @@ handlers[50] = function() report_mptopdf("skipping special %s",50) end --end of not supported function mps.setrgbcolor(r,g,b) -- extra check - r, g, b = tonumber(r), tonumber(g), tonumber(b) -- needed when we use lpeg + r = tonumber(r) -- needed when we use lpeg + g = tonumber(g) -- needed when we use lpeg + b = tonumber(b) -- needed when we use lpeg if r == 0.0123 and g < 0.1 then - g, b = round(g*10000), round(b*10000) + g = round(g*10000) + b = round(b*10000) local s = specials[b] local h = round(s[#s]) local handler = handlers[h] @@ -342,7 +362,8 @@ function mps.setrgbcolor(r,g,b) -- extra check report_mptopdf("unknown special handler %s (1)",h) end elseif r == 0.123 and g < 0.1 then - g, b = round(g*1000), round(b*1000) + g = round(g*1000) + b = round(b*1000) local s = specials[b] local h = round(s[#s]) local handler = handlers[h] |