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Re: Is the version of MacOS available to CPP ?
From: |
Ben Abbott |
Subject: |
Re: Is the version of MacOS available to CPP ? |
Date: |
Sun, 10 Jun 2012 16:16:19 -0400 |
On Jun 10, 2012, at 3:17 PM, Ben Abbott wrote:
> On Jun 10, 2012, at 12:49 PM, Ben Abbott wrote:
>
>> On Jun 9, 2012, at 11:18 AM, Ben Abbott wrote:
>>
>>> With MacOS 10.7.x, Apple has deprecated CGDisplayBitsPerPixel. Adding the
>>> code below to display.cc will allow the sources to be built with
>>> "--with-framework-carbon", but isn't the right solution for earlier
>>> versions of MacOS X.
>>>
>>> #if defined (HAVE_FRAMEWORK_CARBON)
>>> size_t CGDisplayBitsPerPixel (CGDirectDisplayID display)
>>> {
>>> CGDisplayModeRef mode = CGDisplayCopyDisplayMode (display);
>>> CFStringRef pixelEncoding = CGDisplayModeCopyPixelEncoding (mode);
>>>
>>> if (CFStringCompare (pixelEncoding, CFSTR (IO32BitDirectPixels), 0) == 0)
>>> return 32;
>>> else if (CFStringCompare (pixelEncoding, CFSTR (IO16BitDirectPixels), 0) ==
>>> 0)
>>> return 16;
>>> else
>>> return 8;
>>> }
>>> #endif
>>>
>>> Is the version of MacOS X available to the preprocessor ?
>>>
>>> Ben
>>
>> The link below has a solution that does not require preprocessing.
>>
>>
>> http://stackoverflow.com/questions/8210824/how-to-avoid-cgdisplaymodecopypixelencoding-to-get-bpp
>>
>> ... but looks to be written in objective-c (?), which I have no experience
>> with.
>>
>> Unless I've overlooked something, the only part I'm having trouble with is
>> below.
>>
>> CFNumberGetValue((CFNumberRef)CFDictionaryGetValue(currentDisplayMode,
>> kCGDisplayBitsPerPixel), kCFNumberIntType, &screenBPP);
>>
>> I'm hoping someone can provide a quick translation to c++.
>>
>> TiA,
>> Ben
>
> I think I managed to understand how the code at the link above works, and
> produced a c++ version.
>
> Alexander,
>
> The attached changeset works for me on MacOS 10.7 using both the default and
> stable branches.
>
> Can you (someone else?) try the attached changeset on MacOS 10.5 ?
>
> Ben
> <changeset.patch>
opps. My default/stable builds did not like to the Carbon framework. When I do
the changeset does not work.
Ben
- Re: Looking for MacOS 10.5 testers, (continued)
- Re: Looking for MacOS 10.5 testers, Alexander Hansen, 2012/06/15
- Re: Looking for MacOS 10.5 testers, Ben Abbott, 2012/06/15
- Re: Looking for MacOS 10.5 testers, Ben Abbott, 2012/06/16
- Re: Looking for MacOS 10.5 testers, Ben Abbott, 2012/06/16
- Message not available
- Re: Looking for MacOS 10.5 testers, Ben Abbott, 2012/06/17
- Re: Looking for MacOS 10.5 testers, Ben Abbott, 2012/06/17
- Re: Looking for MacOS 10.5 testers, Alexander Hansen, 2012/06/17
- Re: Looking for MacOS 10.5 testers, Ben Abbott, 2012/06/17
Re: Is the version of MacOS available to CPP ?, Ben Abbott, 2012/06/10