MayaTheShy/Opus
1
0
Fork 0
Code Issues 4 Pull Requests Actions Packages Projects Releases Wiki Activity

can now use named colors

Browse Source
This commit is contained in:
kepler155c@gmail.com
2020-04-21 22:32:12 -06:00
parent e703c7f7b6
commit 5933f8c40f
42 changed files with 308 additions and 400 deletions
Download Patch File Download Diff File Expand all files Collapse all files

105
sys/modules/opus/ui/canvas.lua
View File

@@ -9,16 +9,21 @@ local colors = _G.colors
local Canvas = class()
Canvas.colorPalette = { }
Canvas.darkPalette = { }
Canvas.grayscalePalette = { }
for n = 1, 16 do
Canvas.colorPalette[2 ^ (n - 1)] = _sub("0123456789abcdef", n, n)
Canvas.grayscalePalette[2 ^ (n - 1)] = _sub("088888878877787f", n, n)
Canvas.darkPalette[2 ^ (n - 1)] = _sub("8777777f77fff77f", n, n)
local function genPalette(map)
local t = { }
local rcolors = Util.transpose(colors)
for n = 1, 16 do
local pow = 2 ^ (n - 1)
local ch = _sub(map, n, n)
t[pow] = ch
t[rcolors[pow]] = ch
end
return t
end
Canvas.colorPalette = genPalette('0123456789abcdef')
Canvas.grayscalePalette = genPalette('088888878877787f')
--[[
A canvas can have more lines than canvas.height in order to scroll
@@ -119,19 +124,12 @@ function Canvas:copy()
end
function Canvas:addLayer(layer)
local canvas = Canvas({
x = layer.x,
y = layer.y,
width = layer.width,
height = layer.height,
isColor = self.isColor,
})
canvas.parent = self
layer.parent = self
if not self.children then
self.children = { }
end
table.insert(self.children, canvas)
return canvas
table.insert(self.children, 1, layer)
return layer
end
function Canvas:removeLayer()
@@ -177,54 +175,42 @@ end
function Canvas:blit(x, y, text, bg, fg)
if y > 0 and y <= #self.lines and x <= self.width then
local width = #text
local tx, tex
-- fix ffs
if x < 1 then
text = _sub(text, 2 - x)
if bg then
bg = _sub(bg, 2 - x)
end
if fg then
fg = _sub(fg, 2 - x)
end
tx = 2 - x
width = width + x - 1
x = 1
end
if x + width - 1 > self.width then
text = _sub(text, 1, self.width - x + 1)
if bg then
bg = _sub(bg, 1, self.width - x + 1)
end
if fg then
fg = _sub(fg, 1, self.width - x + 1)
end
width = #text
tex = self.width - x + (tx or 1)
width = tex - (tx or 1) + 1
end
if width > 0 then
local function replace(sstr, pos, rstr)
if pos == 1 and width == self.width then
return rstr
elseif pos == 1 then
return rstr .. _sub(sstr, pos+width)
elseif pos + width > self.width then
return _sub(sstr, 1, pos-1) .. rstr
local function replace(sstr, rstr)
if tx or tex then
rstr = _sub(rstr, tx or 1, tex)
end
return _sub(sstr, 1, pos-1) .. rstr .. _sub(sstr, pos+width)
if x == 1 and width == self.width then
return rstr
elseif x == 1 then
return rstr .. _sub(sstr, x + width)
elseif x + width > self.width then
return _sub(sstr, 1, x - 1) .. rstr
end
return _sub(sstr, 1, x - 1) .. rstr .. _sub(sstr, x + width)
end
local line = self.lines[y]
if line then
line.dirty = true
line.text = replace(line.text, x, text, width)
if fg then
line.fg = replace(line.fg, x, fg, width)
end
if bg then
line.bg = replace(line.bg, x, bg, width)
end
line.dirty = true
line.text = replace(line.text, text)
if fg then
line.fg = replace(line.fg, fg)
end
if bg then
line.bg = replace(line.bg, bg)
end
end
end
@@ -383,9 +369,6 @@ function Canvas:__renderLayers(device, offset, doubleBuffer)
end
function Canvas:__blitRect(device, src, tgt, doubleBuffer)
src = src or { x = 1, y = 1, ex = self.ex - self.x + 1, ey = self.ey - self.y + 1 }
tgt = tgt or self
-- for visualizing updates on the screen
--[[
if Canvas.__visualize or self.visualize then
@@ -426,16 +409,4 @@ function Canvas:__blitRect(device, src, tgt, doubleBuffer)
end
end
if not ({ ... })[1] then
local UI = require('opus.ui')
UI:setPage(UI.Page {
button = UI.Button {
x = 5, y = 5,
text = 'abc'
}
})
UI:start()
end
return Canvas