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improvements to rectangle graphics element even rendering

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This commit is contained in:
Mikayla Fischler 2022-06-18 01:33:45 -04:00
parent 27038f64f7
commit 9bd2229e27
2 changed files with 47 additions and 16 deletions
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1
graphics/elements/indicators/hbar.lua
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@ -48,7 +48,6 @@ local function hbar(args)
-- compute number of bars
local num_bars = util.round(fraction * (bar_width * 2))
util.print(num_bars)
-- redraw bar if changed
if num_bars ~= last_num_bars then

62
graphics/elements/rectangle.lua
View File

@ -25,27 +25,33 @@ local function rectangle(args)
if args.border ~= nil then
e.window.setCursorPos(1, 1)
local border_width_v = args.border.width
local border_width_h = util.trinary(args.border.even, args.border.width * 2, args.border.width)
local border_width = args.border.width
local border_blit = colors.toBlit(args.border.color)
local spaces = ""
local blit_fg = ""
local blit_bg_top_bot = ""
local blit_bg_sides = ""
local width_x2 = border_width * 2
local inner_width = e.frame.w - width_x2
-- check dimensions
assert(border_width_v * 2 <= e.frame.w, "graphics.elements.rectangle: border too thick for width")
assert(border_width_h * 2 <= e.frame.h, "graphics.elements.rectangle: border too thick for height")
assert(width_x2 <= e.frame.w, "graphics.elements.rectangle: border too thick for width")
assert(width_x2 <= e.frame.h, "graphics.elements.rectangle: border too thick for height")
-- form the basic and top/bottom blit strings
spaces = util.spaces(e.frame.w)
blit_fg = util.strrep(e.fg_bg.blit_fgd, e.frame.w)
blit_bg_top_bot = util.strrep(border_blit, e.frame.w)
-- form the basic line strings and top/bottom blit strings
local spaces = util.spaces(e.frame.w)
local blit_fg = util.strrep(e.fg_bg.blit_fgd, e.frame.w)
local blit_bg_sides = ""
local blit_bg_top_bot = util.strrep(border_blit, e.frame.w)
-- partial bars
local p_a = util.spaces(border_width) .. util.strrep("\x8f", inner_width) .. util.spaces(border_width)
local p_b = util.spaces(border_width) .. util.strrep("\x83", inner_width) .. util.spaces(border_width)
local p_inv_fg = util.strrep(border_blit, border_width) .. util.strrep(e.fg_bg.blit_bkg, inner_width) ..
util.strrep(border_blit, border_width)
local p_inv_bg = util.strrep(e.fg_bg.blit_bkg, border_width) .. util.strrep(border_blit, inner_width) ..
util.strrep(e.fg_bg.blit_bkg, border_width)
-- form the body blit strings (sides are border, inside is normal)
for x = 1, e.frame.w do
-- edges get border color, center gets normal
if x <= border_width_h or x > (e.frame.w - border_width_h) then
if x <= border_width or x > (e.frame.w - border_width) then
blit_bg_sides = blit_bg_sides .. border_blit
else
blit_bg_sides = blit_bg_sides .. e.fg_bg.blit_bkg
@ -55,8 +61,34 @@ local function rectangle(args)
-- draw rectangle with borders
for y = 1, e.frame.h do
e.window.setCursorPos(1, y)
if y <= border_width_v or y > (e.frame.h - border_width_v) then
e.window.blit(spaces, blit_fg, blit_bg_top_bot)
if y <= border_width then
-- partial pixel fill
if args.border.even and y == border_width then
if width_x2 % 3 == 1 then
e.window.blit(p_b, p_inv_bg, p_inv_fg)
elseif width_x2 % 3 == 2 then
e.window.blit(p_a, p_inv_bg, p_inv_fg)
else
-- skip line
e.window.blit(spaces, blit_fg, blit_bg_sides)
end
else
e.window.blit(spaces, blit_fg, blit_bg_top_bot)
end
elseif y > (e.frame.h - border_width) then
-- partial pixel fill
if args.border.even and y == ((e.frame.h - border_width) + 1) then
if width_x2 % 3 == 1 then
e.window.blit(p_a, p_inv_fg, blit_bg_top_bot)
elseif width_x2 % 3 == 2 then
e.window.blit(p_b, p_inv_fg, blit_bg_top_bot)
else
-- skip line
e.window.blit(spaces, blit_fg, blit_bg_sides)
end
else
e.window.blit(spaces, blit_fg, blit_bg_top_bot)
end
else
e.window.blit(spaces, blit_fg, blit_bg_sides)
end