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CComponents/CComponentsItem: add advanced version of kill()

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kill() allows now paint with defined colors over rendered objects
without restore of background. It's similar to paintBackgroundBoxRel()
known from CFrameBuffer, but with possiblity to define color,
default color is 0 like before (empty background).
Items with parent bindings use the background color of its parent
as default, but can also be ignored.

This function can be useful before repaint of items and/or,
if required, to have a clean background inside item containers.


Origin commit data
------------------
Commit: 6a2e701a7a
Author: Thilo Graf <dbt@novatux.de>
Date: 2014-05-05 (Mon, 05 May 2014)
This commit is contained in:
Thilo Graf
2014-05-05 18:52:21 +02:00
parent 9d506231b6
commit 41218662ff
3 changed files with 34 additions and 6 deletions
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12
src/gui/components/cc_base.cpp
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@@ -227,11 +227,15 @@ inline void CComponents::hide()
is_painted = false;
}
//erase rendered objects
void CComponents::kill()
//erase or paint over rendered objects
void CComponents::kill(const fb_pixel_t& bg_color)
{
for(size_t i =0; i< v_fbdata.size() ;i++)
frameBuffer->paintBackgroundBoxRel(v_fbdata[i].x, v_fbdata[i].y, v_fbdata[i].dx, v_fbdata[i].dy);
for(size_t i =0; i< v_fbdata.size() ;i++){
if (bg_color)
frameBuffer->paintBoxRel(v_fbdata[i].x, v_fbdata[i].y, v_fbdata[i].dx, v_fbdata[i].dy, bg_color, v_fbdata[i].r, corner_type);
else
frameBuffer->paintBackgroundBoxRel(v_fbdata[i].x, v_fbdata[i].y, v_fbdata[i].dx, v_fbdata[i].dy);
}
clearFbData();
firstPaint = true;
is_painted = false;