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--------------------------------------------------
-- Generate vector assets using current colors: --
-- (2015) Yauhen Kirylau --
--------------------------------------------------
local cairo = require("lgi").cairo
local gears = require("gears")
local recolor_image = gears.color.recolor_image
local screen = screen
local theme_assets = {}
function theme_assets.awesome_icon(size, bg, fg)
local img = cairo.ImageSurface(cairo.Format.ARGB32, size, size)
local cr = cairo.Context(img)
cr:set_source(gears.color(bg))
cr:paint()
cr:set_source(gears.color(fg))
cr:set_line_width(size/20)
cr:move_to(0, size/3)
cr:line_to(size*2/3, size/3)
cr:move_to(size/3, size*2/3)
cr:line_to(size*2/3, size*2/3)
cr:line_to(size*2/3, size)
cr:stroke()
return img
end
-- Taglist squares:
function theme_assets.taglist_squares_sel(size, fg)
local img = cairo.ImageSurface(cairo.Format.ARGB32, size, size)
local cr = cairo.Context(img)
cr:set_source(gears.color(fg))
cr:paint()
return img
end
function theme_assets.taglist_squares_unsel(size, fg)
local img = cairo.ImageSurface(cairo.Format.ARGB32, size, size)
local cr = cairo.Context(img)
cr:set_source(gears.color(fg))
cr:set_line_width(size/4)
cr:rectangle(0, 0, size, size)
cr:stroke()
return img
end
local function make_letter(cr, n, lines, size, bg, fg, alt_fg)
local letter_gap = size/6
local function make_line(coords)
for i, coord in ipairs(coords) do
if i == 1 then
cr:rel_move_to(coord[1], coord[2])
else
cr:rel_line_to(coord[1], coord[2])
end
end
cr:stroke()
end
lines = lines or {}
local color = alt_fg or fg
cr:set_source(gears.color(color))
cr:rectangle(
0, (size+letter_gap)*n,
size, size
)
cr:fill()
if bg then
cr:set_source(gears.color(bg))
else
cr:set_operator(cairo.Operator.CLEAR)
end
for _, line in ipairs(lines) do
cr:move_to(0, (size+letter_gap)*n)
make_line(line)
end
cr:set_operator(cairo.Operator.OVER)
end
function theme_assets.gen_awesome_name(cr, height, bg, fg, alt_fg)
local ls = height/10 -- letter_size
local letter_line = ls/18
cr:set_line_width(letter_line)
-- a
make_letter(cr, 0, { {
{ 0, ls/3 },
{ ls*2/3, 0 },
}, {
{ ls/3, ls*2/3 },
{ ls/3, 0 },
{ 0, ls/3 },
} }, ls, bg, fg, alt_fg)
-- w
make_letter(cr, 1, { {
{ ls/3, 0 },
{ 0,ls*2/3 },
}, {
{ ls*2/3, 0 },
{ 0,ls*2/3 },
} }, ls, bg, fg)
-- e
make_letter(cr, 2, { {
{ ls/3, ls/3 },
{ ls*2/3, 0 },
}, {
{ ls/3, ls*2/3 },
{ ls*2/3, 0 },
} }, ls, bg, fg)
-- s
make_letter(cr, 3, { {
{ ls/3, ls/3 },
{ ls*2/3, 0 },
}, {
{ 0, ls*2/3 },
{ ls*2/3, 0 },
} }, ls, bg, fg)
-- o
make_letter(cr, 4, { {
{ ls/2, ls/3 },
{ 0, ls/3 },
} }, ls, bg, fg)
-- m
make_letter(cr, 5, { {
{ ls/3, ls/3 },
{ 0,ls*2/3 },
}, {
{ ls*2/3, ls/3 },
{ 0,ls*2/3 },
} }, ls, bg, fg)
-- e
make_letter(cr, 6, { {
{ ls/3, ls/3 },
{ ls*2/3, 0 },
}, {
{ ls/3, ls*2/3 },
{ ls*2/3, 0 },
} }, ls, bg, fg)
end
function theme_assets.gen_logo(cr, width, height, bg, fg)
local ls = math.min(width, height)
local letter_line = ls/18
cr:set_line_width(letter_line)
make_letter(cr, 0, { {
{ 0, ls/3 },
{ ls*2/3, 0 },
}, {
{ ls/3, ls*2/3 },
{ ls/3, 0 },
{ 0, ls/3 },
} }, ls, bg, fg)
end
function theme_assets.wallpaper(bg, fg, alt_fg, s)
s = s or screen.primary
local height = s.workarea.height
local width = s.workarea.width
local img = cairo.RecordingSurface(cairo.Content.COLOR,
cairo.Rectangle { x = 0, y = 0, width = width, height = height })
local cr = cairo.Context(img)
local letter_start_x = width - width / 10
local letter_start_y = height / 10
cr:translate(letter_start_x, letter_start_y)
-- background
cr:set_source(gears.color(bg))
cr:paint()
theme_assets.gen_awesome_name(cr, height, bg, fg, alt_fg)
return img
end
-- Recolor titlebar icons:
function theme_assets.recolor_titlebar_normal(theme, color)
for _, titlebar_icon in ipairs({
'titlebar_close_button_normal',
'titlebar_minimize_button_normal',
'titlebar_ontop_button_normal_inactive',
'titlebar_ontop_button_normal_active',
'titlebar_sticky_button_normal_inactive',
'titlebar_sticky_button_normal_active',
'titlebar_floating_button_normal_inactive',
'titlebar_floating_button_normal_active',
'titlebar_maximized_button_normal_inactive',
'titlebar_maximized_button_normal_active',
}) do
theme[titlebar_icon] = recolor_image(theme[titlebar_icon], color)
end
return theme
end
function theme_assets.recolor_titlebar_focus(theme, color)
for _, titlebar_icon in ipairs({
'titlebar_close_button_focus',
'titlebar_minimize_button_focus',
'titlebar_ontop_button_focus_inactive',
'titlebar_ontop_button_focus_active',
'titlebar_sticky_button_focus_inactive',
'titlebar_sticky_button_focus_active',
'titlebar_floating_button_focus_inactive',
'titlebar_floating_button_focus_active',
'titlebar_maximized_button_focus_inactive',
'titlebar_maximized_button_focus_active',
}) do
theme[titlebar_icon] = recolor_image(theme[titlebar_icon], color)
end
return theme
end
-- Recolor layout icons:
function theme_assets.recolor_layout(theme, color)
for _, layout_name in ipairs({
'layout_fairh',
'layout_fairv',
'layout_floating',
'layout_magnifier',
'layout_max',
'layout_fullscreen',
'layout_tilebottom',
'layout_tileleft',
'layout_tile',
'layout_tiletop',
'layout_spiral',
'layout_dwindle',
'layout_cornernw',
'layout_cornerne',
'layout_cornersw',
'layout_cornerse',
}) do
theme[layout_name] = recolor_image(theme[layout_name], color)
end
return theme
end
return theme_assets
-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
|
