From ba40cc56e91d21531987fbf4d2e35504b4f1d512 Mon Sep 17 00:00:00 2001
From: Hans-Werner Hilse <hwhilse@gmail.com>
Date: Wed, 22 Oct 2014 16:40:24 +0200
Subject: [PATCH] fill background of intermediary blitbuffers

we need to explicitly fill those buffers, now that white is not "0"
anymore.
---
 frontend/ui/widget/textboxwidget.lua | 1 +
 frontend/ui/widget/textwidget.lua    | 1 +
 2 files changed, 2 insertions(+)

diff --git a/frontend/ui/widget/textboxwidget.lua b/frontend/ui/widget/textboxwidget.lua
index dcab06d5f..935f6b962 100644
--- a/frontend/ui/widget/textboxwidget.lua
+++ b/frontend/ui/widget/textboxwidget.lua
@@ -209,6 +209,7 @@ function TextBoxWidget:_render(v_list)
     local space_w = RenderText:sizeUtf8Text(0, Screen:getWidth(), self.face, " ", true).x
     local h = (font_height + line_height_px) * #v_list
     self._bb = Blitbuffer.new(self.width, h)
+    self._bb:fill(Blitbuffer.COLOR_WHITE)
     local y = font_height
     local pen_x = 0
     for _,l in ipairs(v_list) do
diff --git a/frontend/ui/widget/textwidget.lua b/frontend/ui/widget/textwidget.lua
index eea1aa5bc..bbe0a7cfe 100644
--- a/frontend/ui/widget/textwidget.lua
+++ b/frontend/ui/widget/textwidget.lua
@@ -21,6 +21,7 @@ local TextWidget = Widget:new{
 --function TextWidget:_render()
     --local h = self.face.size * 1.3
     --self._bb = Blitbuffer.new(self._maxlength, h)
+    --self._bb:fill(Blitbuffer.COLOR_WHITE)
     --self._length = RenderText:renderUtf8Text(self._bb, 0, h*0.8, self.face, self.text, true, self.bold)
 --end