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-rw-r--r--tex/context/base/attr-eff.lua222
1 files changed, 111 insertions, 111 deletions
diff --git a/tex/context/base/attr-eff.lua b/tex/context/base/attr-eff.lua
index b0a987747..4dce5419a 100644
--- a/tex/context/base/attr-eff.lua
+++ b/tex/context/base/attr-eff.lua
@@ -1,111 +1,111 @@
-if not modules then modules = { } end modules ['attr-eff'] = {
- version = 1.001,
- comment = "companion to attr-eff.mkiv",
- author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright = "PRAGMA ADE / ConTeXt Development Team",
- license = "see context related readme files"
-}
-
-local commands, interfaces = commands, interfaces
-local attributes, nodes, backends, utilities = attributes, nodes, backends, utilities
-local tex = tex
-
-local states = attributes.states
-local tasks = nodes.tasks
-local nodeinjections = backends.nodeinjections
-local settexattribute = tex.setattribute
-local allocate = utilities.storage.allocate
-local setmetatableindex = table.setmetatableindex
-local formatters = string.formatters
-
-local variables = interfaces.variables
-local v_normal = variables.normal
-
-attributes.effects = attributes.effects or { }
-local effects = attributes.effects
-
-local a_effect = attributes.private('effect')
-
-effects.data = allocate()
-effects.values = effects.values or { }
-effects.registered = effects.registered or { }
-effects.attribute = a_effect
-
-local data = effects.data
-local registered = effects.registered
-local values = effects.values
-
-local f_stamp = formatters["%s:%s:%s"]
-
-storage.register("attributes/effects/registered", registered, "attributes.effects.registered")
-storage.register("attributes/effects/values", values, "attributes.effects.values")
-
--- valid effects: normal inner outer both hidden (stretch,rulethickness,effect)
-
-local function effect(...) effect = nodeinjections.effect return effect(...) end
-
-local function extender(effects,key)
- if key == "none" then
- local d = effect(0,0,0)
- effects.none = d
- return d
- end
-end
-
-local function reviver(data,n)
- local e = values[n] -- we could nil values[n] now but hardly needed
- local d = effect(e[1],e[2],e[3])
- data[n] = d
- return d
-end
-
-setmetatableindex(effects, extender)
-setmetatableindex(effects.data, reviver)
-
-effects.handler = nodes.installattributehandler {
- name = "effect",
- namespace = effects,
- initializer = states.initialize,
- finalizer = states.finalize,
- processor = states.process,
-}
-
-local function register(specification)
- local alternative, stretch, rulethickness
- if specification then
- alternative = specification.alternative or v_normal
- stretch = specification.stretch or 0
- rulethickness = specification.rulethickness or 0
- else
- alternative = v_normal
- stretch = 0
- rulethickness = 0
- end
- local stamp = f_stamp(alternative,stretch,rulethickness)
- local n = registered[stamp]
- if not n then
- n = #values + 1
- values[n] = { alternative, stretch, rulethickness }
- registered[stamp] = n
- end
- return n
-end
-
-local function enable()
- tasks.enableaction("shipouts","attributes.effects.handler")
-end
-
-effects.register = register
-effects.enable = enable
-
--- interface
-
-local enabled = false
-
-function commands.triggereffect(specification)
- if not enabled then
- enable()
- enabled = true
- end
- settexattribute(a_effect,register(specification))
-end
+if not modules then modules = { } end modules ['attr-eff'] = {
+ version = 1.001,
+ comment = "companion to attr-eff.mkiv",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+local commands, interfaces = commands, interfaces
+local attributes, nodes, backends, utilities = attributes, nodes, backends, utilities
+local tex = tex
+
+local states = attributes.states
+local tasks = nodes.tasks
+local nodeinjections = backends.nodeinjections
+local settexattribute = tex.setattribute
+local allocate = utilities.storage.allocate
+local setmetatableindex = table.setmetatableindex
+local formatters = string.formatters
+
+local variables = interfaces.variables
+local v_normal = variables.normal
+
+attributes.effects = attributes.effects or { }
+local effects = attributes.effects
+
+local a_effect = attributes.private('effect')
+
+effects.data = allocate()
+effects.values = effects.values or { }
+effects.registered = effects.registered or { }
+effects.attribute = a_effect
+
+local data = effects.data
+local registered = effects.registered
+local values = effects.values
+
+local f_stamp = formatters["%s:%s:%s"]
+
+storage.register("attributes/effects/registered", registered, "attributes.effects.registered")
+storage.register("attributes/effects/values", values, "attributes.effects.values")
+
+-- valid effects: normal inner outer both hidden (stretch,rulethickness,effect)
+
+local function effect(...) effect = nodeinjections.effect return effect(...) end
+
+local function extender(effects,key)
+ if key == "none" then
+ local d = effect(0,0,0)
+ effects.none = d
+ return d
+ end
+end
+
+local function reviver(data,n)
+ local e = values[n] -- we could nil values[n] now but hardly needed
+ local d = effect(e[1],e[2],e[3])
+ data[n] = d
+ return d
+end
+
+setmetatableindex(effects, extender)
+setmetatableindex(effects.data, reviver)
+
+effects.handler = nodes.installattributehandler {
+ name = "effect",
+ namespace = effects,
+ initializer = states.initialize,
+ finalizer = states.finalize,
+ processor = states.process,
+}
+
+local function register(specification)
+ local alternative, stretch, rulethickness
+ if specification then
+ alternative = specification.alternative or v_normal
+ stretch = specification.stretch or 0
+ rulethickness = specification.rulethickness or 0
+ else
+ alternative = v_normal
+ stretch = 0
+ rulethickness = 0
+ end
+ local stamp = f_stamp(alternative,stretch,rulethickness)
+ local n = registered[stamp]
+ if not n then
+ n = #values + 1
+ values[n] = { alternative, stretch, rulethickness }
+ registered[stamp] = n
+ end
+ return n
+end
+
+local function enable()
+ tasks.enableaction("shipouts","attributes.effects.handler")
+end
+
+effects.register = register
+effects.enable = enable
+
+-- interface
+
+local enabled = false
+
+function commands.triggereffect(specification)
+ if not enabled then
+ enable()
+ enabled = true
+ end
+ settexattribute(a_effect,register(specification))
+end