diff options
| -rw-r--r-- | tex/context/base/context-version.pdf | bin | 4111 -> 4113 bytes | |||
| -rw-r--r-- | tex/context/base/status-files.pdf | bin | 24527 -> 24546 bytes | |||
| -rw-r--r-- | tex/context/base/status-lua.pdf | bin | 224648 -> 224675 bytes | |||
| -rw-r--r-- | tex/context/base/typo-krn.lua | 100 |
4 files changed, 58 insertions, 42 deletions
diff --git a/tex/context/base/context-version.pdf b/tex/context/base/context-version.pdf Binary files differindex df2daae04..bceaf1cf6 100644 --- a/tex/context/base/context-version.pdf +++ b/tex/context/base/context-version.pdf diff --git a/tex/context/base/status-files.pdf b/tex/context/base/status-files.pdf Binary files differindex b3d3fa61c..3add679c9 100644 --- a/tex/context/base/status-files.pdf +++ b/tex/context/base/status-files.pdf diff --git a/tex/context/base/status-lua.pdf b/tex/context/base/status-lua.pdf Binary files differindex c2a791633..b3a6c3f1f 100644 --- a/tex/context/base/status-lua.pdf +++ b/tex/context/base/status-lua.pdf diff --git a/tex/context/base/typo-krn.lua b/tex/context/base/typo-krn.lua index cd531f108..56f58bb73 100644 --- a/tex/context/base/typo-krn.lua +++ b/tex/context/base/typo-krn.lua @@ -35,6 +35,7 @@ local new_glue = nodepool.glue local nodecodes = nodes.nodecodes local kerncodes = nodes.kerncodes local skipcodes = nodes.skipcodes +local disccodes = nodes.disccodes local glyph_code = nodecodes.glyph local kern_code = nodecodes.kern @@ -44,6 +45,7 @@ local hlist_code = nodecodes.hlist local vlist_code = nodecodes.vlist local math_code = nodecodes.math +local discretionary_code = disccodes.discretionary local kerning_code = kerncodes.kerning local userkern_code = kerncodes.userkern local userskip_code = skipcodes.userskip @@ -276,49 +278,63 @@ local function do_process(head,force) -- todo: glue so that we can fully stretch -- a bit too complicated, we can best not copy and just calculate -- but we could have multiple glyphs involved so ... local disc = prev -- disc - local pre, post, replace = disc.pre, disc.post, disc.replace local prv, nxt = disc.prev, disc.next - if pre and prv then -- must pair with start.prev - -- this one happens in most cases - local before = copy_node(prv) - pre.prev = before - before.next = pre - before.prev = nil - pre = do_process(before,attr) - pre = pre.next - pre.prev = nil - disc.pre = pre - free_node(before) - end - if post and nxt then -- must pair with start - local after = copy_node(nxt) - local tail = find_node_tail(post) - tail.next = after - after.prev = tail - after.next = nil - post = do_process(post,attr) - tail.next = nil - disc.post = post - free_node(after) - end - if replace and prv and nxt then -- must pair with start and start.prev - local before = copy_node(prv) - local after = copy_node(nxt) - local tail = find_node_tail(replace) - replace.prev = before - before.next = replace - before.prev = nil - tail.next = after - after.prev = tail - after.next = nil - replace = do_process(before,attr) - replace = replace.next - replace.prev = nil - after.prev.next = nil - disc.replace = replace - free_node(after) - free_node(before) + if disc.subtype == discretionary_code then + -- maybe we should forget about this variant as there is no glue + -- possible + local pre, post, replace = disc.pre, disc.post, disc.replace + if pre and prv then -- must pair with start.prev + -- this one happens in most cases + local before = copy_node(prv) + pre.prev = before + before.next = pre + before.prev = nil + pre = do_process(before,attr) + pre = pre.next + pre.prev = nil + disc.pre = pre + free_node(before) + end + if post and nxt then -- must pair with start + local after = copy_node(nxt) + local tail = find_node_tail(post) + tail.next = after + after.prev = tail + after.next = nil + post = do_process(post,attr) + tail.next = nil + disc.post = post + free_node(after) + end + if replace and prv and nxt then -- must pair with start and start.prev + local before = copy_node(prv) + local after = copy_node(nxt) + local tail = find_node_tail(replace) + replace.prev = before + before.next = replace + before.prev = nil + tail.next = after + after.prev = tail + after.next = nil + replace = do_process(before,attr) + replace = replace.next + replace.prev = nil + after.prev.next = nil + disc.replace = replace + free_node(after) + free_node(before) + elseif prv and prv.id == glyph_code and prv.font == lastfont then + local prevchar, lastchar = prv.char, start.char + local kerns = chardata[lastfont][prevchar].kerns + local kern = kerns and kerns[lastchar] or 0 + krn = kern + quaddata[lastfont]*krn -- here + disc.replace = kern_injector(false,krn) -- only kerns permitted, no glue + else + krn = quaddata[lastfont]*krn -- here + disc.replace = kern_injector(false,krn) -- only kerns permitted, no glue + end else + -- this one happens in most cases: automatic (-), explicit (\-), regular (patterns) if prv and prv.id == glyph_code and prv.font == lastfont then local prevchar, lastchar = prv.char, start.char local kerns = chardata[lastfont][prevchar].kerns @@ -327,7 +343,7 @@ local function do_process(head,force) -- todo: glue so that we can fully stretch else krn = quaddata[lastfont]*krn -- here end - disc.replace = kern_injector(false,krn) -- only kerns permitted, no glue + insert_node_before(head,start,kern_injector(fillup,krn)) end end end |