Export PNG weirdness

[Chris Carroll-Davis]

UPDATE 2:

weep, weep.

It's the font.    :-(

I haven't worked out what the specific issues are, but it simply  
fails with many, many fonts.  Don't know whether it is a problem with  
Postscript, TrueType, Unicode or what.

I suppose I should lodge this as a bug - quite serious, in my opinion  
- since the ability to output images from specific controls was one  
of the features of 2.7.2 I believe.  I've never used bugzilla before 
(!) is it simple to do?


Unhappy Chris



On 9 Aug 2006, at 15:28, Chris Carroll-Davis wrote:

> Update:
>
> I can of course make this work by grabbing the relevant portion of  
> screen (rather than specifying the field):
>
>   put globalloc (Topleft of field fname) into tl
>   put globalloc (botright of field fname) into br
>   export snapshot from rect tl,br to file imgPath as PNG
>
> But this is a bit risky as I can't guarantee that there will be  
> nothing on top of the field (e.g. floating palette) or that the  
> field will completely contained on screen.
>
>
> Chris
>
>
>
> On 9 Aug 2006, at 14:59, Chris Carroll-Davis wrote:
>
>>
>> Hello everyone.
>>
>> Can anybody help with this ...
>>
>> I am exporting PNGs from fields, using this syntax:
>>
>>   export snapshot from field fname to file imgPath as PNG
>>
>> This works just fine on about 30 or so fields, but when I come to  
>> one particular field it fails with error message:
>>
>>     export: can't write to file, mask file, or container
>>
>> All the fields are opaque.  If I switch this field to non- 
>> opaque... it works fine... or if I export as JPEG it works fine!   
>> The only difference (that I can see) between this field and others  
>> is that it is larger than the others.
>>
>> Has anyone come across this problem before?  Could there be some  
>> other property that I have overlooked that is causing the problem?
>>
>> I am pulling my hair out at this one (and at my age I don't have  
>> too much to lose)
>>
>>
>> Chris
>>
>>
>>
>>
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