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[ardour.git] / scripts / split_all_markers.lua

diff --git a/scripts/split_all_markers.lua b/scripts/split_all_markers.lua
index e67a7be51d9da9d3541119662b37bff21100b634..967743e56a514e8b21e026cdb7c3af4331452265 100644 (file)
--- a/scripts/split_all_markers.lua
+++ b/scripts/split_all_markers.lua
@@ -4,28 +4,6 @@ ardour { ["type"] = "EditorAction", name = "Marker Split",
        description = [[Split regions on selected tracks at all locations markers]]
 }
 
-function icon (params) return function (ctx, w, h, fg)
-       local mh = h - 3.5;
-       local m3 = w / 3;
-       local m6 = w / 6;
-       ctx:set_source_rgba (.8, .8, .2, 1.0)
-       ctx:move_to (w / 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 ()
-       -- TODO: better draw a left/right arrow <--|-->
-       -- yet this is a handy text example, so..
-       local txt = Cairo.PangoLayout (ctx, "ArdourMono ".. (h - 7) .. "px")
-       ctx:set_source_rgba (1, 0, 0, 0.7)
-       txt:set_text ("S")
-       local tw, th = txt:get_pixel_size ()
-       ctx:move_to (.5 * (w - tw), 1)
-       txt:show_in_cairo_context (ctx)
-end end
-
 function factory (params) return function ()
 
        local loc = Session:locations () -- all marker locations
@@ -90,3 +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