mirror of https://github.com/kepler155c/opus
53 lines
1.0 KiB
Lua
53 lines
1.0 KiB
Lua
local class = require('opus.class')
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local UI = require('opus.ui')
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local Util = require('opus.util')
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local lookup = '0123456789abcdef'
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-- handle files produced by Paint
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UI.Image = class(UI.Window)
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UI.Image.defaults = {
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UIElement = 'Image',
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event = 'button_press',
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}
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function UI.Image:postInit()
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if self.filename then
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self.image = Util.readLines(self.filename)
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end
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if self.image and not (self.height or self.ey) then
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self.height = #self.image
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end
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if self.image and not (self.width or self.ex) then
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for i = 1, self.height do
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self.width = math.max(self.width or 0, #self.image[i])
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end
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end
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end
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function UI.Image:draw()
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self:clear()
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if self.image then
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for y = 1, #self.image do
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local line = self.image[y]
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for x = 1, #line do
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local ch = lookup:find(line:sub(x, x))
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if ch then
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self:write(x, y, ' ', 2 ^ (ch -1))
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end
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end
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end
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end
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self:drawChildren()
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end
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function UI.Image:setImage(image)
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self.image = image
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end
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function UI.Image.example()
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return UI.Image {
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filename = 'test.paint',
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}
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end
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