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use rendertext in TextWidget for text background support

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Qingping Hou
2012-05-01 17:35:33 +08:00
parent c486f5f8b3
commit 525c2f17c0
1 changed files with 22 additions and 13 deletions
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35
widget.lua
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@@ -164,27 +164,36 @@ TextWidget = Widget:new{
color = 15,
_bb = nil,
_length = 0,
_height = 0,
_maxlength = 1200,
}
function TextWidget:_render()
local h = self.face.size * 1.3
self._bb = Blitbuffer.new(self._maxlength, h)
self._length = renderUtf8Text(self._bb, 0, h*0.8, self.face, self.text, self.color)
end
--function TextWidget:_render()
--local h = self.face.size * 1.3
--self._bb = Blitbuffer.new(self._maxlength, h)
--self._length = renderUtf8Text(self._bb, 0, h*0.8, self.face, self.text, self.color)
--end
function TextWidget:getSize()
if not self._bb then
self:_render()
end
return { w = self._length, h = self._bb:getHeight() }
--if not self._bb then
--self:_render()
--end
--return { w = self._length, h = self._bb:getHeight() }
self._length = sizeUtf8Text(0, G_width, self.face, self.text, true).x
self._height = self.face.size * 1.3
return {
w = self._length,
h = self._height,
}
end
function TextWidget:paintTo(bb, x, y)
if not self._bb then
self:_render()
end
bb:blitFrom(self._bb, x, y, 0, 0, self._length, self._bb:getHeight())
--if not self._bb then
--self:_render()
--end
--bb:blitFrom(self._bb, x, y, 0, 0, self._length, self._bb:getHeight())
renderUtf8Text(bb, x, y+self._height*0.8, self.face, self.text, true)
end
function TextWidget:free()