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authorDohyun Kim <nomosnomos@gmail.com>2015-05-02 02:12:52 +0900
committerDohyun Kim <nomosnomos@gmail.com>2015-05-02 02:12:52 +0900
commit5ee570d2cd339e74e28f906c84aa76e6a940bc1b (patch)
tree423a40db7ada60f9d3797b00d85124eefc5b3ebb /src/luaotfload-colors.lua
parent870fcbde946a2a2f5d45904e3d6ed75c8e4cc194 (diff)
downloadluaotfload-5ee570d2cd339e74e28f906c84aa76e6a940bc1b.tar.gz
ignore full opacity input
Diffstat (limited to 'src/luaotfload-colors.lua')
-rw-r--r--src/luaotfload-colors.lua21
1 files changed, 14 insertions, 7 deletions
diff --git a/src/luaotfload-colors.lua b/src/luaotfload-colors.lua
index 6a0f2f7..24e7840 100644
--- a/src/luaotfload-colors.lua
+++ b/src/luaotfload-colors.lua
@@ -220,14 +220,24 @@ color_whatsit = function (head, curr, color, push, tail)
return head, curr, color
end
+-- number -> string | nil
+local get_font_color = function (font_id)
+ local tfmdata = identifiers[font_id]
+ local font_color = tfmdata and tfmdata.properties and tfmdata.properties.color
+ if font_color then
+ font_color = font_color:gsub("(%x%x%x%x%x%x)[fF][fF]$", "%1")
+ end
+ return font_color
+end
+
+local cnt = 0
+
--[[doc--
While the second argument and second returned value are apparently
always nil when the function is called, they temporarily take string
values during the node list traversal.
--doc]]--
-local cnt = 0
-
--- (node * (string | nil)) -> (node * (string | nil))
local node_colorize
node_colorize = function (head, current_color)
@@ -252,12 +262,10 @@ node_colorize = function (head, current_color)
cnt = cnt - 1
elseif n_id == glyph_t then
- local tfmdata = identifiers[getfont(n)]
-
--- colorization is restricted to those fonts
--- that received the “color” property upon
--- loading (see ``setcolor()`` above)
- local font_color = tfmdata and tfmdata.properties and tfmdata.properties.color
+ local font_color = get_font_color(getfont(n))
if font_color ~= current_color then
if current_color then
head, n, current_color = color_whatsit(head, n, current_color, false)
@@ -270,8 +278,7 @@ node_colorize = function (head, current_color)
if current_color and color_callback == "pre_linebreak_filter" then
local nn = getnext(n)
while nn and getid(nn) == glyph_t do
- local tfmdata = identifiers[getfont(nn)]
- local font_color = tfmdata and tfmdata.properties and tfmdata.properties.color
+ local font_color = get_font_color(getfont(nn))
if font_color == current_color then
n = nn
else