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Gtkmm-forge Digest, Vol 30, Issue 10

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Today's Topics:

   1. [Bug 547795] Additional drawing documentation for	book
      (gtkmm (bugzilla.gnome.org))
   2. [Bug 560074] example doesn't build with cairomm	1.7.0
      (gnomemm (bugzilla.gnome.org))
   3. [Bug 547795] Additional drawing documentation for	book
      (gtkmm (bugzilla.gnome.org))
   4. [Bug 560074] example doesn't build with cairomm	1.7.0
      (gnomemm (bugzilla.gnome.org))
   5. [Bug 547795] Additional drawing documentation for	book
      (gtkmm (bugzilla.gnome.org))
   6. [Bug 547795] Additional drawing documentation for	book
      (gtkmm (bugzilla.gnome.org))
   7. [Bug 560232] New: Missing	Pango::Layout::show_layout
      (gtkmm (bugzilla.gnome.org))


----------------------------------------------------------------------

Message: 1
Date: Mon, 10 Nov 2008 16:29:56 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 547795] Additional drawing
	documentation for	book
To: gtkmm-forge lists sourceforge net
Message-ID: <20081110162956 287FE23F513 label gnome org>
Content-Type: text/plain; charset=utf-8

If you have any questions why you received this email, please see the text at
the end of this email. Replies to this email are NOT read, please see the text
at the end of this email. You can add comments to this bug at:
  http://bugzilla.gnome.org/show_bug.cgi?id=547795

  gtkmm | documentation | Ver: 2.12.x




------- Comment #5 from Murray Cumming  2008-11-10 16:29 UTC -------
What are you using to draw into the frame.ImageBuffer buffer?


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------------------------------

Message: 2
Date: Mon, 10 Nov 2008 16:46:56 +0000 (UTC)
From: "gnomemm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 560074] example doesn't build with
	cairomm	1.7.0
To: gtkmm-forge lists sourceforge net
Message-ID: <20081110164656 CAF0E23F497 label gnome org>
Content-Type: text/plain; charset=utf-8

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  gnomemm | goocanvasmm | Ver: unspecified




------- Comment #2 from Jonathon Jongsma (jonner)  2008-11-10 16:46 UTC -------
yes, hm.  So we have our first report of breakage from changing the cairomm API
from

typedef cairo_matrix_t Matrix;

to

class Matrix : public cairo_matrix_t {
...
};

To be fair, the example here really should have been using cairo_matrix_t
directly since they were using it in a g_object_set() for a property of type
cairo_matrix_t, but it does show the kind of things that will break due to this
change in cairomm.  So I guess we need to decide whether this is acceptable or
whether we need to revert the cairomm change.  


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------------------------------

Message: 3
Date: Mon, 10 Nov 2008 16:48:24 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 547795] Additional drawing
	documentation for	book
To: gtkmm-forge lists sourceforge net
Message-ID: <20081110164824 D2A3E23F512 label gnome org>
Content-Type: text/plain; charset=utf-8

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  gtkmm | documentation | Ver: 2.12.x




------- Comment #6 from John Hobbs  2008-11-10 16:48 UTC -------
It's coming off of cameras, both from V4L2 and other closed source ones, like
Prosilica.


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------------------------------

Message: 4
Date: Mon, 10 Nov 2008 16:53:26 +0000 (UTC)
From: "gnomemm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 560074] example doesn't build with
	cairomm	1.7.0
To: gtkmm-forge lists sourceforge net
Message-ID: <20081110165326 25F7523F512 label gnome org>
Content-Type: text/plain; charset=utf-8

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  gnomemm | goocanvasmm | Ver: unspecified




------- Comment #3 from Murray Cumming  2008-11-10 16:53 UTC -------
Yeah, I don't think it's a big problem. Small API changes are OKish. You just
need to be aware of it.


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------------------------------

Message: 5
Date: Mon, 10 Nov 2008 17:05:50 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 547795] Additional drawing
	documentation for	book
To: gtkmm-forge lists sourceforge net
Message-ID: <20081110170550 A177323F497 label gnome org>
Content-Type: text/plain; charset=utf-8

If you have any questions why you received this email, please see the text at
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  gtkmm | documentation | Ver: 2.12.x




------- Comment #7 from Murray Cumming  2008-11-10 17:01 UTC -------
If you are just using that image without modification, I do think you should
just store it elsewhere rather than using the GUI as your cache. But that's
just personal preference, and maybe that would cause massively inefficient data
copying.

I also wonder if a cairo context has a way to draw an image. Then we should be
using cairo to get the image back again. The gdk_draw_*() functions are
generally deprecated, I think.


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------------------------------

Message: 6
Date: Mon, 10 Nov 2008 17:26:20 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 547795] Additional drawing
	documentation for	book
To: gtkmm-forge lists sourceforge net
Message-ID: <20081110172620 32C9023F512 label gnome org>
Content-Type: text/plain; charset=utf-8

If you have any questions why you received this email, please see the text at
the end of this email. Replies to this email are NOT read, please see the text
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  gtkmm | documentation | Ver: 2.12.x




------- Comment #8 from John Hobbs  2008-11-10 17:26 UTC -------
That sounds reasonable. I have found a way to load a pixbuf into Cairo, see
http://kapo-cpp.blogspot.com/2008/01/drawing-pixbuf-to-cairo-context-2.html for
that.


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------------------------------

Message: 7
Date: Mon, 10 Nov 2008 21:37:59 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 560232] New: Missing
	Pango::Layout::show_layout
To: gtkmm-forge lists sourceforge net
Message-ID: <bug-560232-5595 http bugzilla gnome org/>
Content-Type: text/plain; charset=utf-8

If you have any questions why you received this email, please see the text at
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  http://bugzilla.gnome.org/show_bug.cgi?id=560232

  gtkmm | general | Ver: unspecified
           Summary: Missing Pango::Layout::show_layout
           Product: gtkmm
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: general
        AssignedTo: gtkmm-forge lists sourceforge net
        ReportedBy: louisfrancis rb gmail com
         QAContact: gtkmm-forge lists sourceforge net
     GNOME version: 2.23/2.24
   GNOME milestone: Unspecified


Please describe the problem:
This function and Pango::LayoutLine::show_layout are missing. Should wrap the C
code the same way it is done for Pango::Layout::add_to_cairo_context (for
pango_cairo_layout_path)

Thanks

--
Louis-Francis

Steps to reproduce:


Actual results:


Expected results:


Does this happen every time?


Other information:


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