[Qt-interest] Drawing rectangular

Yuvaraj R yuvaraj at ongobiz.com
Mon Sep 21 09:38:14 CEST 2009


No

I used simple lines

QPainter paint(this)

paint.DrawRect(100,100,100,100);


what's with this code?

Thanks

Yuvaraj r

On Mon, Sep 21, 2009 at 1:07 PM, Samuel Rødal <sroedal at trolltech.com> wrote:

> Yuvaraj R wrote:
>
>> Hi All
>>
>>  I am trying to draw rectangular in Main window, But i don't get my
>> output..
>>
>> My piece of code is:
>>
>> QPainter *painter=new QPainter(this);
>>
>> painter->setPen(Qt::red);
>>
>> painter->drawRect(100,100,100,100);
>>
>>
>> any mistake is there in above code ?
>>
>
> Is this code from the overriden paintEvent()? Make sure you delete the
> painter at the end, otherwise the painter will be left active on the widget
> after the paint event is done. Ideally you shouldn't even use new to create
> the painter, but create it on the stack.
>
> --
> Samuel
>
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