diff options
Diffstat (limited to 'tex/context/base/lpdf-ini.lua')
| -rw-r--r-- | tex/context/base/lpdf-ini.lua | 87 |
1 files changed, 58 insertions, 29 deletions
diff --git a/tex/context/base/lpdf-ini.lua b/tex/context/base/lpdf-ini.lua index 99e533094..a0707c23c 100644 --- a/tex/context/base/lpdf-ini.lua +++ b/tex/context/base/lpdf-ini.lua @@ -72,6 +72,29 @@ if pdf.setinfo then -- the getters are harmless end +do + + local texget = tex.get + local texset = tex.set + + if pdf.setminorversion then + function pdf.setmajorversion (n) texset("global","pdfmajorversion", n) end + function pdf.getmajorversion ( ) return texget("pdfmajorversion") end + else + -- + function pdf.setmajorversion (n) texset("global","pdfmajorversion",n) end + function pdf.setminorversion (n) texset("global","pdfminorversion",n) end + function pdf.setcompresslevel (n) texset("global","pdfcompresslevel",n) end + function pdf.setobjcompresslevel(n) texset("global","pdfobjcompresslevel",n) end + -- + function pdf.getmajorversion ( ) return texget("pdfmajorversion") end + function pdf.getminorversion ( ) return texget("pdfminorversion") end + function pdf.getcompresslevel ( ) return texget("pdfcompresslevel") end + function pdf.getobjcompresslevel( ) return texget("pdfobjcompresslevel") end + end + +end + if not pdf.setinfo then function pdf.setinfo (s) pdf.info = s end function pdf.setcatalog(s) pdf.catalog = s end @@ -80,10 +103,10 @@ if not pdf.setinfo then end if not pdf.getpos then - function pdf.getpos () return pdf.h, pdf.v end - function pdf.gethpos () return pdf.h end - function pdf.getvpos () return pdf.v end - function pdf.hasmatrix() return false end + function pdf.getpos () return pdf.h, pdf.v end + function pdf.gethpos () return pdf.h end + function pdf.getvpos () return pdf.v end + function pdf.hasmatrix() return false end function pdf.getmatrix() return 1, 0, 0, 1, 0, 0 end end @@ -161,44 +184,50 @@ codeinjections.getvpos = pdfgetvpos lpdf.getvpos = pdfgetvpos codeinjections.hasmatrix = pdfhasmatrix lpdf.hasmatrix = pdfhasmatrix codeinjections.getmatrix = pdfgetmatrix lpdf.getmatrix = pdfgetmatrix -function lpdf.transform(llx,lly,urx,ury) +-- local function transform(llx,lly,urx,ury,rx,sx,sy,ry) +-- local x1 = llx * rx + lly * sy +-- local y1 = llx * sx + lly * ry +-- local x2 = llx * rx + ury * sy +-- local y2 = llx * sx + ury * ry +-- local x3 = urx * rx + lly * sy +-- local y3 = urx * sx + lly * ry +-- local x4 = urx * rx + ury * sy +-- local y4 = urx * sx + ury * ry +-- llx = min(x1,x2,x3,x4); +-- lly = min(y1,y2,y3,y4); +-- urx = max(x1,x2,x3,x4); +-- ury = max(y1,y2,y3,y4); +-- return llx, lly, urx, ury +-- end + +function lpdf.transform(llx,lly,urx,ury) -- not yet used so unchecked if pdfhasmatrix() then local sx, rx, ry, sy = pdfgetmatrix() local w, h = urx - llx, ury - lly return llx, lly, llx + sy*w - ry*h, lly + sx*h - rx*w + -- return transform(llx,lly,urx,ury,sx,rx,ry,sy) else return llx, lly, urx, ury end end --- function lpdf.rectangle(width,height,depth) --- local h, v = pdfgetpos() --- local llx, lly, urx, ury --- if pdfhasmatrix() then --- local sx, rx, ry, sy = pdfgetmatrix() --- llx = 0 --- lly = -depth --- -- llx = ry * depth --- -- lly = -sx * depth --- urx = sy * width - ry * height --- ury = sx * height - rx * width --- else --- llx = 0 --- lly = -depth --- urx = width --- ury = height --- return (h+llx)*factor, (v+lly)*factor, (h+urx)*factor, (v+ury)*factor --- end --- end +-- funny values for tx and ty function lpdf.rectangle(width,height,depth) - local h, v = pdfgetpos() + local tx, ty = pdfgetpos() if pdfhasmatrix() then - local sx, rx, ry, sy = pdfgetmatrix() - -- return (h+ry*depth)*factor, (v-sx*depth)*factor, (h+sy*width-ry*height)*factor, (v+sx*height-rx*width)*factor - return h *factor, (v- depth)*factor, (h+sy*width-ry*height)*factor, (v+sx*height-rx*width)*factor + local rx, sx, sy, ry = pdfgetmatrix() + return + factor * tx, + factor * (ty - ry*depth + sx*width), + factor * (tx + rx*width - sy*height), + factor * (ty + ry*height - sx*width) else - return h *factor, (v- depth)*factor, (h+ width )*factor, (v+ height )*factor + return + factor * tx, + factor * (ty - depth), + factor * (tx + width), + factor * (ty + height) end end |