diff options
Diffstat (limited to 'tex/context/base/attr-div.lua')
| -rw-r--r-- | tex/context/base/attr-div.lua | 143 |
1 files changed, 96 insertions, 47 deletions
diff --git a/tex/context/base/attr-div.lua b/tex/context/base/attr-div.lua index e618a35c1..4397936d9 100644 --- a/tex/context/base/attr-div.lua +++ b/tex/context/base/attr-div.lua @@ -14,7 +14,10 @@ local format, gmatch = string.format, string.gmatch local concat = table.concat local texsprint = tex.sprint -local report_attributes = logs.new("attributes") +local report_attributes = logs.new("attributes") +local report_colors = logs.new("colors") +local report_transparencies = logs.new("transparencies") +local report_viewerlayers = logs.new("viewerlayers") local ctxcatcodes = tex.ctxcatcodes local unsetvalue = attributes.unsetvalue @@ -70,6 +73,7 @@ colors.selector = attributes.private('colormodel') colors.default = 1 colors.main = nil colors.triggering = true +colors.supported = true storage.register("colors/values", colors.values, "colors.values") storage.register("colors/registered", colors.registered, "colors.registered") @@ -248,7 +252,7 @@ local function cmykcolor(...) cmykcolor = nodeinjections.cmykcolor return cmykco local function spotcolor(...) spotcolor = nodeinjections.spotcolor return spotcolor(...) end local function extender(colors,key) - if key == "none" then + if colors.supported and key == "none" then local d = graycolor(0) colors.none = d return d @@ -256,31 +260,33 @@ local function extender(colors,key) end local function reviver(data,n) - local v = values[n] - local d - if not v then - local gray = graycolor(0) - d = { gray, gray, gray, gray } - report_attributes("unable to revive color %s",n or "?") - else - local kind = v[1] - if kind == 2 then - local gray= graycolor(v[2]) + if colors.supported then + local v = values[n] + local d + if not v then + local gray = graycolor(0) d = { gray, gray, gray, gray } - elseif kind == 3 then - local gray, rgb, cmyk = graycolor(v[2]), rgbcolor(v[3],v[4],v[5]), cmykcolor(v[6],v[7],v[8],v[9]) - d = { rgb, gray, rgb, cmyk } - elseif kind == 4 then - local gray, rgb, cmyk = graycolor(v[2]), rgbcolor(v[3],v[4],v[5]), cmykcolor(v[6],v[7],v[8],v[9]) - d = { cmyk, gray, rgb, cmyk } - elseif kind == 5 then - local spot = spotcolor(v[10],v[11],v[12],v[13]) - -- d = { spot, gray, rgb, cmyk } - d = { spot, spot, spot, spot } + report_attributes("unable to revive color %s",n or "?") + else + local kind = colors.forcedmodel(v[1]) + if kind == 2 then + local gray= graycolor(v[2]) + d = { gray, gray, gray, gray } + elseif kind == 3 then + local gray, rgb, cmyk = graycolor(v[2]), rgbcolor(v[3],v[4],v[5]), cmykcolor(v[6],v[7],v[8],v[9]) + d = { rgb, gray, rgb, cmyk } + elseif kind == 4 then + local gray, rgb, cmyk = graycolor(v[2]), rgbcolor(v[3],v[4],v[5]), cmykcolor(v[6],v[7],v[8],v[9]) + d = { cmyk, gray, rgb, cmyk } + elseif kind == 5 then + local spot = spotcolor(v[10],v[11],v[12],v[13]) + -- d = { spot, gray, rgb, cmyk } + d = { spot, spot, spot, spot } + end end + data[n] = d + return d end - data[n] = d - return d end setmetatable(colors, { __index = extender }) @@ -325,8 +331,18 @@ shipouts.handle_color = nodes.install_attribute_handler { resolver = function() return colors.main end, } -function colors.enable() - tasks.enableaction("shipouts","shipouts.handle_color") +function colors.enable(value) + if value == false or not colors.supported then + tasks.disableaction("shipouts","shipouts.handle_color") + else + tasks.enableaction("shipouts","shipouts.handle_color") + end +end + +function colors.forcesupport(value) -- can move to attr-div + colors.supported = value + report_colors("color is %ssupported",value and "" or "not ") + colors.enable(value) end -- transparencies @@ -337,6 +353,7 @@ transparencies.data = transparencies.data or { } transparencies.values = transparencies.values or { } transparencies.triggering = true transparencies.attribute = attributes.private('transparency') +transparencies.supported = true storage.register("transparencies/registered", transparencies.registered, "transparencies.registered") storage.register("transparencies/values", transparencies.values, "transparencies.values") @@ -377,7 +394,7 @@ function transparencies.register(name,a,t,force) -- name is irrelevant here (can end local function extender(transparencies,key) - if key == "none" then + if colors.supported and key == "none" then local d = inject_transparency(0) transparencies.none = d return d @@ -385,16 +402,20 @@ local function extender(transparencies,key) end local function reviver(data,n) - local v = values[n] - local d - if not v then - d = inject_transparency(0) + if transparencies.supported then + local v = values[n] + local d + if not v then + d = inject_transparency(0) + else + d = inject_transparency(n) + register_transparency(n,v[1],v[2]) + end + data[n] = d + return d else - d = inject_transparency(n) - register_transparency(n,v[1],v[2]) + return "" end - data[n] = d - return d end setmetatable(transparencies, { __index = extender }) @@ -414,8 +435,18 @@ shipouts.handle_transparency = nodes.install_attribute_handler { processor = states.process, } -function transparencies.enable() - tasks.enableaction("shipouts","shipouts.handle_transparency") +function transparencies.enable(value) -- nil is enable + if value == false or not transparencies.supported then + tasks.disableaction("shipouts","shipouts.handle_transparency") + else + tasks.enableaction("shipouts","shipouts.handle_transparency") + end +end + +function transparencies.forcesupport(value) -- can move to attr-div + transparencies.supported = value + report_transparencies("transparency is %ssupported",value and "" or "not ") + transparencies.enable(value) end --- colorintents: overprint / knockout @@ -591,6 +622,8 @@ viewerlayers.registered = viewerlayers.registered or { } viewerlayers.values = viewerlayers.values or { } viewerlayers.listwise = viewerlayers.listwise or { } viewerlayers.attribute = attributes.private("viewerlayer") +viewerlayers.supported = true +viewerlayers.hasorder = true storage.register("viewerlayers/registered", viewerlayers.registered, "viewerlayers.registered") storage.register("viewerlayers/values", viewerlayers.values, "viewerlayers.values") @@ -604,7 +637,7 @@ local template = "%s" -- stacked local function extender(viewerlayers,key) - if key == "none" then + if viewerlayers.supported and key == "none" then local d = nodeinjections.stoplayer() viewerlayers.none = d return d @@ -612,13 +645,15 @@ local function extender(viewerlayers,key) end local function reviver(data,n) - local v = values[n] - if v then - local d = nodeinjections.startlayer(v) - data[n] = d - return d - else - logs.report("viewerlayers","error, unknown reference '%s'",tostring(n)) + if viewerlayers.supported then + local v = values[n] + if v then + local d = nodeinjections.startlayer(v) + data[n] = d + return d + else + logs.report("viewerlayers","error, unknown reference '%s'",tostring(n)) + end end end @@ -649,6 +684,20 @@ shipouts.handle_viewerlayer = nodes.install_attribute_handler { processor = states.stacked, } -function viewerlayers.enable() - tasks.enableaction("shipouts","shipouts.handle_viewerlayer") +function viewerlayers.enable(value) + if value == false or not viewerlayers.supported then + tasks.disableaction("shipouts","shipouts.handle_viewerlayer") + else + tasks.enableaction("shipouts","shipouts.handle_viewerlayer") + end +end + +function viewerlayers.forcesupport(value) + viewerlayers.supported = value + report_viewerlayers("viewerlayers are %ssupported",value and "" or "not ") + viewerlayers.enable(value) +end + +function viewerlayers.setfeatures(hasorder) + viewerlayers.hasorder = hasorder end |