/spacey

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bzr branch http://9ix.org/bzr/spacey
1 by Josh C
zoetrope 1.4
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-- Class: Fill
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-- A fill paints a rectangle of a solid color and border.
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-- Either fill or border are optional.
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--
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-- Extends:
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--		<Sprite>
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Fill = Sprite:extend{
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	-- Property: fill
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	-- A table of color values in RGBA order. Each value should fall
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	-- between 0 and 255. The fill sprite fills this color in its bounds
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	-- onscreen.
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	fill = { 255, 255, 255, 255 },
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	-- Property: border
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	-- A table of color values in RGBA order. Each value should fall
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	-- between 0 and 255. The fill sprite draws the border in this color
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	-- after filling in a color (if any).
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	border = nil,
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	draw = function (self, x, y)
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		x = math.floor(x or self.x)
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		y = math.floor(y or self.y)
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		if not self.visible or self.alpha <= 0 then return end
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		if STRICT then
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			assert(type(x) == 'number', 'visible fill does not have a numeric x property')
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			assert(type(y) == 'number', 'visible fill does not have a numeric y property')
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			assert(type(self.width) == 'number', 'visible fill does not have a numeric width property')
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			assert(type(self.height) == 'number', 'visible fill does not have a numeric height property')
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			assert(self.fill or self.border, 'visible fill does not have a fill or border property')
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		end
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		-- rotate and scale
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		local scaleX = self.scale * self.distort.x
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		local scaleY = self.scale * self.distort.y
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		if scaleX ~= 1 or scaleY ~= 1 or self.rotation ~= 0 then
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			love.graphics.push()
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			love.graphics.translate(x + self.width / 2, y + self.height / 2)
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			love.graphics.scale(scaleX, scaleY)
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			love.graphics.rotate(self.rotation)
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			love.graphics.translate(- (x + self.width / 2), - (y + self.height / 2))
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		end
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		-- draw fill and border
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		if self.fill then
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			local fillAlpha = self.fill[4] or 255
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			love.graphics.setColor(self.fill[1] * self.tint[1],
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								   self.fill[2] * self.tint[2],
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								   self.fill[3] * self.tint[3],
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								   fillAlpha * self.alpha)
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			love.graphics.rectangle('fill', x, y, self.width, self.height)
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		end
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		if self.border then
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			local borderAlpha = self.border[4] or 255
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			love.graphics.setColor(self.border[1] * self.tint[1],
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								   self.border[2] * self.tint[2],
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								   self.border[3] * self.tint[3],
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								   borderAlpha * self.alpha)
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			love.graphics.rectangle('line', x, y, self.width, self.height)
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		end
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		-- reset color and rotation
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		love.graphics.setColor(255, 255, 255, 255)
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		if scaleX ~= 1 or scaleY ~= 1 or self.rotation ~= 0 then
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			love.graphics.pop()
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		end
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	end,
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	__tostring = function (self)
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		local result = 'Fill (x: ' .. self.x .. ', y: ' .. self.y ..
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					   ', w: ' .. self.width .. ', h: ' .. self.height .. ', '
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		if self.fill then
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			result = result .. 'fill {' .. table.concat(self.fill, ', ') .. '}, '
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		else
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			result = result .. 'no fill, '
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		end
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		if self.border then
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			result = result .. 'border {' .. table.concat(self.border, ', ') .. '}, '
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		else
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			result = result .. 'no border, '
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		end
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		if self.active then
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			result = result .. 'active, '
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		else
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			result = result .. 'inactive, '
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		end
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		if self.visible then
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			result = result .. 'visible, '
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		else
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			result = result .. 'invisible, '
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		end
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		if self.solid then
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			result = result .. 'solid'
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		else
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			result = result .. 'not solid'
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		end
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		return result .. ')'
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	end
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}