Merge pull request #260 from phi-gamma/master

add import helper, new directory layout, revised letterspacing, fontloader gone nuts

1 files changed, 91 insertions, 0 deletions

diff --git a/src/fontloader/misc/fontloader-font-oti.lua b/src/fontloader/misc/fontloader-font-oti.lua
new file mode 100644
index 0000000..06c2a42
--- /dev/null
+++ b/src/fontloader/misc/fontloader-font-oti.lua
@@ -0,0 +1,91 @@
+if not modules then modules = { } end modules ['font-oti'] = {
+    version   = 1.001,
+    comment   = "companion to font-ini.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+local lower = string.lower
+
+local fonts              = fonts
+local constructors       = fonts.constructors
+
+local otf                = constructors.newhandler("otf")
+local otffeatures        = constructors.newfeatures("otf")
+local otftables          = otf.tables
+local registerotffeature = otffeatures.register
+
+local allocate           = utilities.storage.allocate
+
+registerotffeature {
+    name        = "features",
+    description = "initialization of feature handler",
+    default     = true,
+}
+
+-- these are later hooked into node and base initializaters
+
+local function setmode(tfmdata,value)
+    if value then
+        tfmdata.properties.mode = lower(value)
+    end
+end
+
+local function setlanguage(tfmdata,value)
+    if value then
+        local cleanvalue = lower(value)
+        local languages  = otftables and otftables.languages
+        local properties = tfmdata.properties
+        if not languages then
+            properties.language = cleanvalue
+        elseif languages[value] then
+            properties.language = cleanvalue
+        else
+            properties.language = "dflt"
+        end
+    end
+end
+
+local function setscript(tfmdata,value)
+    if value then
+        local cleanvalue = lower(value)
+        local scripts    = otftables and otftables.scripts
+        local properties = tfmdata.properties
+        if not scripts then
+            properties.script = cleanvalue
+        elseif scripts[value] then
+            properties.script = cleanvalue
+        else
+            properties.script = "dflt"
+        end
+    end
+end
+
+registerotffeature {
+    name        = "mode",
+    description = "mode",
+    initializers = {
+        base = setmode,
+        node = setmode,
+    }
+}
+
+registerotffeature {
+    name         = "language",
+    description  = "language",
+    initializers = {
+        base = setlanguage,
+        node = setlanguage,
+    }
+}
+
+registerotffeature {
+    name        = "script",
+    description = "script",
+    initializers = {
+        base = setscript,
+        node = setscript,
+    }
+}
+