Qt-interest Archive, June 2007
Qt equivalent of GetDeviceCaps(hDC, LOGPIXELSX) ???
Message 1 in thread
Is there a Qt equivalent for finding the number of pixels per inch in
the x and y dimensions for a display?
On Windows I use GetDeviceCaps(hDC, LOGPIXELSX)
Thanks in advance,
Mark
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Message 2 in thread
Use any Window QWidget:
screen_xperinch = mainw->logicalDpiX();
screen_yperinch = mainw->logicalDpiY();
On 06-12-2007 12:26 PM, "Mark Thompson" wrote:
> Is there a Qt equivalent for finding the number of pixels per inch in
> the x and y dimensions for a display?
> On Windows I use GetDeviceCaps(hDC, LOGPIXELSX)
>
> Thanks in advance,
> Mark
Keith Esau
Senior Software Engineer (dpSHEET)
PDF Solutions, Inc.
keith.esau@xxxxxxx
913-599-6537 (work/home)
913-515-2135 (mobile)
kaesau@xxxxxxxxxxxxx (home/personal)
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Message 3 in thread
> Use any Window QWidget:
>
> screen_xperinch = mainw->logicalDpiX();
> screen_yperinch = mainw->logicalDpiY();
>
>
You can use
QApplication::instance()->desktopWidget()->numScreens()
and
QApplication::instance()->desktopWidget()->screen(int screen)
To get QWidgets that "represent" each screen. You can get thier dpi's
individually.
--Justin
>
> On 06-12-2007 12:26 PM, "Mark Thompson" wrote:
>
>> Is there a Qt equivalent for finding the number of pixels per inch in
>> the x and y dimensions for a display?
>> On Windows I use GetDeviceCaps(hDC, LOGPIXELSX)
>>
>> Thanks in advance,
>> Mark
>
> Keith Esau
> Senior Software Engineer (dpSHEET)
> PDF Solutions, Inc.
> keith.esau@xxxxxxx
> 913-599-6537 (work/home)
> 913-515-2135 (mobile)
> kaesau@xxxxxxxxxxxxx (home/personal)
>
> ===========================================================================
> CONFIDENTIALITY NOTICE: This email contains information that may be
> confidential and privileged. Unless you are the intended recipient (or
> authorized to receive for the intended recipient), you are prohibited from
> reviewing, using, copying, forwarding, keeping, or disclosing to anyone
> other than PDF Solutions, Inc. this email or any information in the email
> (including any attachment). If you have received this email in error,
> please send a reply email only to the sender <keith.esau@xxxxxxx> (delete
> the original message body from the reply), and please delete this message
> from your system. My apologies for the inconvenience, and thank you in
> advance for your cooperation.
> ===========================================================================
>
>
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