Merci Laurent.  That's progress.  I generated a BridgeSupport file.


Now, I'm getting this:
>> theme = CPTheme.themeNamed(KCPDarkGradientTheme)
=> #<CPDarkGradientTheme:0x200621300>


But now:
>> z = CPDecimalFromFloat(4.1)
Assertion failed: (size > 0), function convert_type, file compiler.cpp, line 5803.
Abort trap

CPDecimalFromFloat and friends are not inline functions so I don't need to generate a dylib file, as far as I can tell.

And:
>> xLow = 0.0
=> 0.0
>> xLow = NSNumber.numberWithFloat(xLow.to_f).decimalValue
=> #<NSDecimal:0x20055fc60>
>> fDays = 398.0
=> 398.0
>> fDays = NSNumber.numberWithFloat(fDays.to_f).decimalValue
=> #<NSDecimal:0x2005ebe60>
>> xrange = CPPlotRange.plotRangeWithLocation(xLow, length:fDays)
Assertion failed: (size > 0), function convert_type, file compiler.cpp, line 5803.
Abort trap


Cheers,
russ




On Nov 10, 2010, at 12:03 PM, Laurent Sansonetti wrote:

Hi Russ,

I suspect this CorePlot framework does not include a BridgeSupport file. This could explain why MacRuby cannot use the CPDecimalFromFloat() C function or the kCPDarkGradientTheme C constant (note that it must be called KCPDarkGradientTheme from MacRuby, as constants must always start with a uppercase letter).

You can try to generate a BridgeSupport file using gen_bridge_metadata(1). Check out the end of the man page for examples. The generated file should be installed within the framework.

Laurent

On Nov 10, 2010, at 11:49 AM, Russ McBride wrote:


Hmm ... I think I've got some linking/import issues, although the framework is found.

>> framework 'cocoa'
=> true
>> framework 'coreplot'
=> true

>> graph = CPXYGraph.alloc.initWithFrame(CGRectMake(0,0,0,0))
=> #<CPXYGraph:0x20054cb00>
>> plotSpace = graph.defaultPlotSpace;
=> #<CPXYPlotSpace:0x20051d360>
>> axisSet = graph.axisSet
=> #<CPXYAxisSet:0x2005229c0>
>> 


So good, so far, but...


>> x = 4.2
=> 4.2
>> x.class
=> Float
>> z = CPDecimalFromFloat(x)
NoMethodError: undefined method `CPDecimalFromFloat' for main:TopLevel


>> theme = CPTheme.themeNamed(kCPDarkGradientTheme)
NameError: undefined local variable or method `kCPDarkGradientTheme' for main:TopLevel
>> CPTheme.method_defined?(:themeNamed)
=> false




On Nov 10, 2010, at 12:50 AM, Eloy Duran wrote:

Can you provide a code snippet (irb) reproducing the exact problem you are experiencing?

On Nov 10, 2010, at 5:59 AM, Russ McBride wrote:


Has anyone gotten CorePlot working in a MacRuby app?  


I'm working on re-writing the DatePlot app in MacRuby and have had limited success, but I'm currently stuck with problems surrounding:

CPPlotRange.plotRangeWithLocation

and
           CPDecimalFromFloat

Cheers,
russ

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