diff options
Diffstat (limited to 'tex/context/base/lpdf-nod.lua')
| -rw-r--r-- | tex/context/base/lpdf-nod.lua | 272 |
1 files changed, 136 insertions, 136 deletions
diff --git a/tex/context/base/lpdf-nod.lua b/tex/context/base/lpdf-nod.lua index 60d3fcd5b..9c57d6289 100644 --- a/tex/context/base/lpdf-nod.lua +++ b/tex/context/base/lpdf-nod.lua @@ -1,136 +1,136 @@ -if not modules then modules = { } end modules ['lpdf-nod'] = { - version = 1.001, - comment = "companion to lpdf-ini.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local format = string.format - -local copy_node = node.copy -local new_node = node.new - -local nodepool = nodes.pool -local register = nodepool.register -local whatsitcodes = nodes.whatsitcodes -local nodeinjections = backends.nodeinjections - -local pdfliteral = register(new_node("whatsit", whatsitcodes.pdfliteral)) pdfliteral.mode = 1 -local pdfsave = register(new_node("whatsit", whatsitcodes.pdfsave)) -local pdfrestore = register(new_node("whatsit", whatsitcodes.pdfrestore)) -local pdfsetmatrix = register(new_node("whatsit", whatsitcodes.pdfsetmatrix)) -local pdfdest = register(new_node("whatsit", whatsitcodes.pdfdest)) pdfdest.named_id = 1 -- xyz_zoom untouched -local pdfannot = register(new_node("whatsit", whatsitcodes.pdfannot)) - -local variables = interfaces.variables - -local views = { -- beware, we do support the pdf keys but this is *not* official - xyz = 0, [variables.standard] = 0, - fit = 1, [variables.fit] = 1, - fith = 2, [variables.width] = 2, - fitv = 3, [variables.height] = 3, - fitb = 4, - fitbh = 5, [variables.minwidth] = 5, - fitbv = 6, [variables.minheight] = 6, - fitr = 7, -} - -function nodepool.pdfliteral(str) - local t = copy_node(pdfliteral) - t.data = str - return t -end - -function nodepool.pdfdirect(str) - local t = copy_node(pdfliteral) - t.data = str - t.mode = 1 - return t -end - -function nodepool.pdfsave() - return copy_node(pdfsave) -end - -function nodepool.pdfrestore() - return copy_node(pdfrestore) -end - -function nodepool.pdfsetmatrix(rx,sx,sy,ry,tx,ty) - local t = copy_node(pdfsetmatrix) - t.data = format("%s %s %s %s",rx or 0,sx or 0,sy or 0,ry or 0) -- todo: tx ty - return t -end - -nodeinjections.save = nodepool.pdfsave -nodeinjections.restore = nodepool.pdfrestore -nodeinjections.transform = nodepool.pdfsetmatrix - -function nodepool.pdfannotation(w,h,d,data,n) - local t = copy_node(pdfannot) - if w and w ~= 0 then - t.width = w - end - if h and h ~= 0 then - t.height = h - end - if d and d ~= 0 then - t.depth = d - end - if n then - t.objnum = n - end - if data and data ~= "" then - t.data = data - end - return t -end - --- (!) The next code in pdfdest.w is wrong: --- --- case pdf_dest_xyz: --- if (matrixused()) { --- set_rect_dimens(pdf, p, parent_box, cur, alt_rule, pdf_dest_margin) ; --- } else { --- pdf_ann_left(p) = pos.h ; --- pdf_ann_top (p) = pos.v ; --- } --- break ; --- --- so we need to force a matrix. - -function nodepool.pdfdestination(w,h,d,name,view,n) - local t = copy_node(pdfdest) - local hasdimensions = false - if w and w ~= 0 then - t.width = w - hasdimensions = true - end - if h and h ~= 0 then - t.height = h - hasdimensions = true - end - if d and d ~= 0 then - t.depth = d - hasdimensions = true - end - if n then - t.objnum = n - end - view = views[view] or view or 1 -- fit is default - t.dest_id = name - t.dest_type = view - if hasdimensions and view == 0 then -- xyz - -- see (!) s -> m -> t -> r - local s = copy_node(pdfsave) - local m = copy_node(pdfsetmatrix) - local r = copy_node(pdfrestore) - m.data = "1 0 0 1" - s.next = m m.next = t t.next = r - m.prev = s t.prev = m r.prev = t - return s -- a list - else - return t - end -end +if not modules then modules = { } end modules ['lpdf-nod'] = {
+ version = 1.001,
+ comment = "companion to lpdf-ini.mkiv",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+local format = string.format
+
+local copy_node = node.copy
+local new_node = node.new
+
+local nodepool = nodes.pool
+local register = nodepool.register
+local whatsitcodes = nodes.whatsitcodes
+local nodeinjections = backends.nodeinjections
+
+local pdfliteral = register(new_node("whatsit", whatsitcodes.pdfliteral)) pdfliteral.mode = 1
+local pdfsave = register(new_node("whatsit", whatsitcodes.pdfsave))
+local pdfrestore = register(new_node("whatsit", whatsitcodes.pdfrestore))
+local pdfsetmatrix = register(new_node("whatsit", whatsitcodes.pdfsetmatrix))
+local pdfdest = register(new_node("whatsit", whatsitcodes.pdfdest)) pdfdest.named_id = 1 -- xyz_zoom untouched
+local pdfannot = register(new_node("whatsit", whatsitcodes.pdfannot))
+
+local variables = interfaces.variables
+
+local views = { -- beware, we do support the pdf keys but this is *not* official
+ xyz = 0, [variables.standard] = 0,
+ fit = 1, [variables.fit] = 1,
+ fith = 2, [variables.width] = 2,
+ fitv = 3, [variables.height] = 3,
+ fitb = 4,
+ fitbh = 5, [variables.minwidth] = 5,
+ fitbv = 6, [variables.minheight] = 6,
+ fitr = 7,
+}
+
+function nodepool.pdfliteral(str)
+ local t = copy_node(pdfliteral)
+ t.data = str
+ return t
+end
+
+function nodepool.pdfdirect(str)
+ local t = copy_node(pdfliteral)
+ t.data = str
+ t.mode = 1
+ return t
+end
+
+function nodepool.pdfsave()
+ return copy_node(pdfsave)
+end
+
+function nodepool.pdfrestore()
+ return copy_node(pdfrestore)
+end
+
+function nodepool.pdfsetmatrix(rx,sx,sy,ry,tx,ty)
+ local t = copy_node(pdfsetmatrix)
+ t.data = format("%s %s %s %s",rx or 0,sx or 0,sy or 0,ry or 0) -- todo: tx ty
+ return t
+end
+
+nodeinjections.save = nodepool.pdfsave
+nodeinjections.restore = nodepool.pdfrestore
+nodeinjections.transform = nodepool.pdfsetmatrix
+
+function nodepool.pdfannotation(w,h,d,data,n)
+ local t = copy_node(pdfannot)
+ if w and w ~= 0 then
+ t.width = w
+ end
+ if h and h ~= 0 then
+ t.height = h
+ end
+ if d and d ~= 0 then
+ t.depth = d
+ end
+ if n then
+ t.objnum = n
+ end
+ if data and data ~= "" then
+ t.data = data
+ end
+ return t
+end
+
+-- (!) The next code in pdfdest.w is wrong:
+--
+-- case pdf_dest_xyz:
+-- if (matrixused()) {
+-- set_rect_dimens(pdf, p, parent_box, cur, alt_rule, pdf_dest_margin) ;
+-- } else {
+-- pdf_ann_left(p) = pos.h ;
+-- pdf_ann_top (p) = pos.v ;
+-- }
+-- break ;
+--
+-- so we need to force a matrix.
+
+function nodepool.pdfdestination(w,h,d,name,view,n)
+ local t = copy_node(pdfdest)
+ local hasdimensions = false
+ if w and w ~= 0 then
+ t.width = w
+ hasdimensions = true
+ end
+ if h and h ~= 0 then
+ t.height = h
+ hasdimensions = true
+ end
+ if d and d ~= 0 then
+ t.depth = d
+ hasdimensions = true
+ end
+ if n then
+ t.objnum = n
+ end
+ view = views[view] or view or 1 -- fit is default
+ t.dest_id = name
+ t.dest_type = view
+ if hasdimensions and view == 0 then -- xyz
+ -- see (!) s -> m -> t -> r
+ local s = copy_node(pdfsave)
+ local m = copy_node(pdfsetmatrix)
+ local r = copy_node(pdfrestore)
+ m.data = "1 0 0 1"
+ s.next = m m.next = t t.next = r
+ m.prev = s t.prev = m r.prev = t
+ return s -- a list
+ else
+ return t
+ end
+end
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