[mapserver-dev] Re: PHP_MapScript - set opacity of a styleObj

[Yewondwossen Assefa]

Mike,

  I have opened http://trac.osgeo.org/mapserver/ticket/2755 and I will 
commit your changes.

Best Regards,

Mike Leahy wrote:
> Hello again,
> 
> I think I answered my own question.  In php_mapscript.c, I made the 
> following changes:
> 
> - In _phpms_build_style_object, I added this:
> 
>     add_property_long(return_value,   "opacity",       pstyle->opacity);
> 
> - And in php3_ms_style_setProperty, I added this:
> 
>     else IF_SET_LONG( "opacity",        self->opacity)
> 
> I recompiled mapserver, and it works - at least I think (i.e., no errors 
> when I set the property, and everything else is working as it did)...I 
> still have to get the code I'm working on to render some output.
> 
> Do these changes look okay?
> Mike
> 
> Mike Leahy wrote:
>> Hello devs,
>>
>> I'm just wondering if I'm missing anything (since the online 
>> documentation claims to be out-of-date).  I'm trying to create a new 
>> layer in a PHP_MapScript map object that has opacity set in a 
>> styleObj.  But when I execute $oStyle->set("opacity",50), I get an 
>> error message saying "Property 'opacity' does not exist in this 
>> object.".  The same happens for transparency.  Is there a different 
>> way I should be doing this?
>>
>> Since style-level opacity is a new feature, I'm guessing it hasn't 
>> made its way into mapscript yet?  If that is the case, what would be 
>> needed to add this, and/or is there a workaround I that can use 
>> instead?  The only alternative I can imagine at this point is to save 
>> the map object to a temporary mapfile, write the new layers as text in 
>> the mapfile, then read it back into a new map object.  Is that my best 
>> option?
>>
>> Thanks for any suggestions,
>> Mike
>>
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Assefa Yewondwossen
Software Analyst

Email: assefa at dmsolutions.ca
http://www.dmsolutions.ca/

Phone: (613) 565-5056 (ext 14)
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