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Native DPI [message #44682]

Thu, 21 May 2015 11:45

Tom1
Messages: 1303
Registered: March 2007

Ultimate Contributor

Hi,

Is there any specific reason for having a fixed Size(96,96) returned for screen DPI in the following Windows SystemDraw function?:

Size SystemDraw::GetNativeDpi() const
{
	return Dots() ? nativeDpi : Size(96, 96);
}

I just got a new 32" 4K display on my desktop with native 144 DPI and metric size of objects is now wrong because of this default DPI.

May I suggest GetNativeDpi() reporting whatever Windows reports directly, like this?

Size SystemDraw::GetNativeDpi() const
{
	return nativeDpi;
}

Best regards,

Tom

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[Message index]

		Native DPI By: Tom1 on Thu, 21 May 2015 11:45
		Re: Native DPI By: mirek on Sat, 23 May 2015 20:23
		Re: Native DPI By: Tom1 on Sun, 24 May 2015 10:29
		Re: Native DPI By: mirek on Sun, 24 May 2015 21:16
		Re: Native DPI By: Tom1 on Mon, 25 May 2015 10:05
		Re: Native DPI By: Tom1 on Mon, 25 May 2015 16:54
		Re: Native DPI By: mirek on Mon, 25 May 2015 23:13
		Re: Native DPI By: chickenk on Tue, 26 May 2015 07:35
		Re: Native DPI By: Tom1 on Tue, 26 May 2015 10:22
		Re: Native DPI By: mirek on Wed, 27 May 2015 10:03
		Re: Native DPI By: mirek on Wed, 27 May 2015 10:14
		Re: Native DPI By: Tom1 on Wed, 27 May 2015 13:32
		Re: Native DPI By: mirek on Wed, 27 May 2015 14:13
		Re: Native DPI By: Tom1 on Thu, 28 May 2015 09:47
		Re: Native DPI By: mirek on Fri, 29 May 2015 10:16
		Re: Native DPI By: mirek on Fri, 29 May 2015 13:27
		Re: Native DPI By: Tom1 on Fri, 29 May 2015 17:23
		Re: Native DPI By: mirek on Sat, 06 June 2015 07:37
		Re: Native DPI By: Tom1 on Mon, 08 June 2015 10:31
		Re: Native DPI By: mirek on Sat, 13 June 2015 17:04
		Re: Native DPI By: Tom1 on Mon, 15 June 2015 00:00
		Re: Native DPI By: mirek on Mon, 15 June 2015 14:01
		Re: Native DPI By: Tom1 on Tue, 16 June 2015 22:13
		Re: Native DPI By: mirek on Tue, 16 June 2015 23:37
		Re: Native DPI By: Tom1 on Wed, 17 June 2015 10:02
		Re: Native DPI By: mirek on Fri, 19 June 2015 08:26
		Re: Native DPI By: Tom1 on Mon, 22 June 2015 11:52
		Re: Native DPI By: Tom1 on Fri, 26 June 2015 09:13
		Re: Native DPI By: mirek on Mon, 03 August 2015 20:11
		Re: Native DPI By: Tom1 on Wed, 05 August 2015 13:03
		Re: Native DPI By: mirek on Wed, 05 August 2015 14:56
		Re: Native DPI By: Tom1 on Wed, 05 August 2015 15:50
		Re: Native DPI By: mirek on Sun, 09 August 2015 13:22
		Re: Native DPI By: Tom1 on Mon, 10 August 2015 11:12
		Re: Native DPI By: Tom1 on Thu, 13 August 2015 12:22
		Re: Native DPI By: mirek on Tue, 18 August 2015 20:10
		Re: Native DPI By: Tom1 on Wed, 19 August 2015 13:07
		Re: Native DPI By: mirek on Wed, 19 August 2015 22:35
		Re: Native DPI By: Tom1 on Sat, 22 August 2015 09:56
		Re: Native DPI By: mirek on Sun, 23 August 2015 12:23
		Re: Native DPI By: Tom1 on Sat, 29 August 2015 13:54
		Re: Native DPI By: mirek on Sat, 29 August 2015 18:26
		Re: Native DPI By: Tom1 on Mon, 31 August 2015 10:24
		Re: Native DPI By: Tom1 on Mon, 31 August 2015 14:38
		Re: Native DPI By: mirek on Wed, 02 September 2015 16:11
		Re: Native DPI By: Tom1 on Thu, 03 September 2015 09:07
		Re: Native DPI By: mirek on Fri, 04 September 2015 08:51
		Re: Native DPI By: Tom1 on Fri, 04 September 2015 10:10
		Re: Native DPI By: mirek on Sun, 06 September 2015 07:35
		Re: Native DPI By: Tom1 on Mon, 07 September 2015 10:55
		Re: Native DPI By: mirek on Sun, 04 October 2015 08:07

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