<meta http-equiv="content-type" content="text/html; charset=utf-8"><div>Thanks man!<br><br><div>Regards</div>Charles Hardy</div><div><br>On 22 Feb 2015, at 23:44, michael h [via Python] <<a href="/user/SendEmail.jtp?type=node&node=5087186&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>> wrote:<br><br></div><blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' type="cite"><div>
<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' style="border-left:2px solid #CCCCCC;padding:0 1em" class="gmail_quote"><br>
Hi michael that solved that one now im getting a error saying that<br>
QPainter::begin: A paint device can only be painted by one painter at a<br>
time.<br></blockquote><div><br></div><div><br></div><div><font color="#500050">From the docs:</font></div><div><font color="#500050"><br></font></div><div><font color="#500050"><div>QPainter::QPainter(QPaintDevice * device)</div><div>Constructs a painter that begins painting the paint device immediately.</div></font></div><div><font color="#500050"><br></font></div><span style="font-size:13px;color:rgb(80,0,80)">> painter=QtGui.QPainter(</span><span style="font-size:13px;color:rgb(80,0,80)">printer)</span><div><font color="#500050"><br></font></div><div><font color="#500050">So you're calling begin again here.<br></font><div><br style="color:rgb(80,0,80);font-size:13px"><span style="color:rgb(80,0,80);font-size:13px">> painter.begin(printer)</span><br></div></div><div><span style="color:rgb(80,0,80);font-size:13px"><br></span></div><div><span style="color:rgb(80,0,80);font-size:13px">So take your own begin() call out.</span></div><div><span style="color:rgb(80,0,80);font-size:13px"><br></span></div><div><span style="color:rgb(80,0,80);font-size:13px">As a side note, QPainter can actually be used as a context manager so you could do:</span></div><div><span style="color:rgb(80,0,80);font-size:13px"><br></span></div><div><span style="color:rgb(80,0,80);font-size:13px">with QPainter(printer) as painter:</span></div><div><span style="color:rgb(80,0,80);font-size:13px"> code with painter</span></div><div><span style="color:rgb(80,0,80);font-size:13px"><br></span></div><div><span style="color:rgb(80,0,80);font-size:13px">and it will handle being()/end() for you as needed</span><br></div><div><span style="color:rgb(80,0,80);font-size:13px"><br></span></div><div><span style="color:rgb(80,0,80);font-size:13px"> mh</span> </div></div></div></div>
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