[MacRuby-devel] Quartz 2D Graphics problem
Jim Getzen
jim at getzen.name
Thu Oct 18 17:30:21 PDT 2012
Aside from MacRuby and a couple of sound frameworks, it just uses Cocoa, CoreGraphics, and QuartzCore.
Jim
On Oct 18, 2012, at 7:45 PM, Robert Carl Rice <rice.audio at pobox.com> wrote:
Hi Jim,
What frameworks do you included in your project?
Thanks,
Bob Rice
On Oct 18, 2012, at 8:22 AM, Jim Getzen <jim at getzen.name> wrote:
> A fairly recent project of mine makes the exact same context call in drawRect. I just ran it again without a problem. My MacRuby is one of the nightlies from 2-3 weeks ago.
>
> Jim
>
>
> On Oct 18, 2012, at 12:30 AM, Robert Carl Rice <rice.audio at pobox.com> wrote:
>
> Hi,
>
> I went back to working on an old project that uses core graphics and I'm having problems getting it to run again.
>
> The following code gives me an error with the graphics context:
>
> def drawRect( rect )
> return unless @controller
>
> begin
> @context = NSGraphicsContext.currentContext.graphicsPort
>
> # Scale 15 min intervals to chart area
> @xscale = bounds.size.width / 25.0
> height = bounds.size.height
> @yscale = height / 2.0
> CGContextScaleCTM( @context, @xscale, @yscale )
> CGContextTranslateCTM( @context, 0.5, 0.5 ) # Indent from bounds
>
> # restore text size
> CGContextSetTextMatrix( @context, CGAffineTransformMakeScale( 1 / @xscale, 1 / @yscale ))
> show_index( height )
>
> rescue => e
> ErrorLog.instance.rescue_error( e )
> end
> end
>
> unrecognized runtime type `{CGContext=}'
> /Users/robertrice/Library/Developer/Xcode/DerivedData/MacDriverLog-ebberjlfoqoqdzenjgqkdbkehuoj/Build/Products/Debug/MacDriverLog.app/Contents/Main_Window.bundle/Contents/Resources/RemarksIndexView.rb:55:in `drawRect'
> /Users/robertrice/Library/Developer/Xcode/DerivedData/MacDriverLog-ebberjlfoqoqdzenjgqkdbkehuoj/Build/Products/Debug/MacDriverLog.app/Contents/Resources/rb_main.rb:69:in `<main>'
>
> line 55 is the first line:
> @context = NSGraphicsContext.currentContext.graphicsPort
>
> Has anything changed with regard to Quartz 2D drawing?
>
> Thanks,
> Bob Rice
>
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