yui/core.lua

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--- Local drawing helpers
--
-- @module yui.core
-- @copyright 2022, The DoubleFourteen Code Forge
-- @author Lorenzo Cogotti, Andrea Pasquini
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local core = {}
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-- Helpers for drawing
function core.verticalOffsetForAlign(valign, font, h)
if valign == 'top' then
return 0
elseif valign == 'bottom' then
return h - font:getHeight()
end
-- else: 'middle'
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return (h - font:getHeight()) / 2
end
function core.themeForWidget(widget)
local uiTheme = widget.ui.theme
local theme = widget.theme or uiTheme
local color = theme.color or uiTheme.color
local font = theme.font or uiTheme.font or love.graphics.getFont()
local cornerRadius = theme.cornerRadius or uiTheme.cornerRadius
return color, font, cornerRadius
end
function core.colorForWidgetState(widget, color)
color = color or widget.theme.color or widget.ui.theme.color
if widget.active then
return color.active
elseif widget:isFocused() then
return color.hovered
else
return color.normal
end
end
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function core.drawBox(x,y,w,h, color, cornerRadius)
w = math.max(cornerRadius/2, w)
if h < cornerRadius/2 then
y,h = y - (cornerRadius - h), cornerRadius/2
end
love.graphics.setColor(color.bg)
love.graphics.rectangle('fill', x,y, w,h, cornerRadius)
end
return core