PBD::Signal<...>::connect() is already thread safe, so drop intermediate proxy/call_s...

[ardour.git] / scripts / split_all_markers.lua

diff --git a/scripts/split_all_markers.lua b/scripts/split_all_markers.lua
index b06ac5f70b4d74f13913392e9635c2aa323d5f7c..967743e56a514e8b21e026cdb7c3af4331452265 100644 (file)
--- a/scripts/split_all_markers.lua
+++ b/scripts/split_all_markers.lua
@@ -68,3 +68,55 @@ function factory (params) return function ()
        end
 
 end end
+
+
+-- render an icon for the toolbar action-button
+-- this is genrally square width == height.
+-- The background is set according to the theme (leave transparent when drawing).
+-- A foreground color is passed as parameter 'fg'
+--
+-- ctx is-a http://manual.ardour.org/lua-scripting/class_reference/#Cairo:Context
+-- 2D vector graphics http://cairographics.org/
+function icon (params) return function (ctx, width, height, fg)
+       local mh = height - 3.5;
+       local m3 = width / 3;
+       local m6 = width / 6;
+
+       ctx:set_line_width (.5)
+
+       -- compare to gtk2_ardour/marker.cc "Marker"
+       ctx:set_source_rgba (.8, .8, .2, 1.0)
+       ctx:move_to (width / 2 - m6, 2)
+       ctx:rel_line_to (m3, 0)
+       ctx:rel_line_to (0, mh * 0.4)
+       ctx:rel_line_to (-m6, mh * 0.6)
+       ctx:rel_line_to (-m6, -mh * 0.6)
+       ctx:close_path ()
+       ctx:fill_preserve ()
+       ctx:set_source_rgba (.0, .0, .0, 1.0)
+       ctx:stroke ()
+
+       -- draw an arrow  <--|--> on top, using the foreground color
+       ctx:set_source_rgba (ARDOUR.LuaAPI.color_to_rgba (fg))
+       ctx:set_line_width (1)
+
+       ctx:move_to (width * .5, height * .4)
+       ctx:line_to (width * .5, height * .6)
+       ctx:stroke ()
+
+       ctx:move_to (2, height * .5)
+       ctx:line_to (width - 2, height * .5)
+       ctx:stroke ()
+
+       ctx:move_to (width - 2, height * .5)
+       ctx:rel_line_to (-m6, -m6)
+       ctx:rel_line_to (0, m3)
+       ctx:close_path ()
+       ctx:fill ()
+
+       ctx:move_to (2, height * .5)
+       ctx:rel_line_to (m6, -m6)
+       ctx:rel_line_to (0, m3)
+       ctx:close_path ()
+       ctx:fill ()
+end end