Thanks for the info guys.
The method below is working great.
On 29 Aug 2011, at 14:38, Marco Tabini wrote:
> Hi Martin—
>
> On 2011-08-29, at 9:11 AM, Martin Linklater wrote:
>
>> Thanks Marco. When I call representationUsingType I get this:
>>
>
> You need to first convert the representation to an NSBitmapImageRep, which
> can then be converted to PNG; for example:
>
> - (NSData *) PNGRepresentationOfImage:(NSImage *) image {
> // Create a bitmap representation from the current image
>
> [image lockFocus];
> NSBitmapImageRep *bitmapRep = [[NSBitmapImageRep alloc]
> initWithFocusedViewRect:NSMakeRect(0, 0, image.size.width,
> image.size.height)];
> [image unlockFocus];
>
> return [bitmapRep representationUsingType:NSPNGFileType properties:Nil];
> }
>
> I wrote a simple app (requires Xcode 4.1 with ARC enabled) for you to try
> out. You can grab it from here.
>
> Cheers,
>
>
> —Mt.
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