Re: Getting an index for NSMutableAttributed string using tags in RTF
Re: Getting an index for NSMutableAttributed string using tags in RTF
- Subject: Re: Getting an index for NSMutableAttributed string using tags in RTF
- From: Martin Wierschin <email@hidden>
- Date: Mon, 28 Apr 2014 17:37:10 -0700
NSAttributedString won't load images from RTF, but it will load images from an RTFD package. Very likely it would not understand images specified using the ugly "htmltag" RTF control. You'll probably need to use the proprietary "NeXTGraphic" RTF control instead.
You can save an RTFD package with an embedded image using TextEdit to see what NSAttributedString expects.
> Second, I wondered if there's a way of getting the index of the last displayed character before the image from the RTF itself.
Once you have the content loaded into an NSAttributedString, you can search for the NSAttachmentCharacter Unicode character to find the image attachment in the string.
~Martin
On Apr 20, 2014, at 2:43 AM, Pax <email@hidden> wrote:
> I have an NSTextView which is being populated using RTF:
>
> if ([self getContent:@"RTF"]&&useformatting)
> {
> [attributedContent appendAttributedString:[[NSAttributedString alloc] initWithRTF:[self getContent:@"RTF"] documentAttributes:NULL]];
> }
>
> This works beautifully except that the RTF string references images:
>
> {\*\htmltag84 <img border=0 width=224 height=51 id="_x0000_i1033" src="cid:email@hiddenB20" alt="LH_logo600r1idx">}\htmlrtf {\chbrdr\brdrsh LH_logo600r1idx}\htmlrtf0
>
> I would like to make sure that the images are placed into the RTF correctly. I thought I might be able to do it by saving the image to a cache folder and specifying a root (as WebKit's loadHTMLString does), but this isn't available in NSTextView or NSMutable String.
>
> Second, I wondered if there's a way of getting the index of the last displayed character before the image from the RTF itself.
>
> Does anyone have any ideas how this might be achieved? As usual, all assistance gratefully received!
>
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