Re: setting minimum size for NSView to display all content without scroll view

FROM : Shamyl Zakariya
DATE : Mon Apr 30 23:35:16 2007

Maybe you want to look at webkit2png

http://www.paulhammond.org/webkit2png/

(http://www.paulhammond.org/2005/08/webkit2png/webkit2png-0.4.txt)

It's in python ( via PyObjC ), but ought to be grokkable into vanilla 
ObjC.

If this has already been mentioned, sorry. But it seems like it 
covers a the kind of webkit usage you're up against.

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On Apr 29, 2007, at 12:22 AM, Warwick Hall wrote:

> more clarification:
>
> i am writing a command line tool which (hopefully) will download a 
> url (from the web) and using the WebKit APIs, render the html and 
> print the rendered content to a file using PostScript 
> (EPSPrintOperation etc). For the webkit part i need to create an 
> off screen graphics context and a window attached to that context, 
> then a webview object and add the webview object to the window's 
> content view. then i create and register a WebFrameLoadDelegate 
> object to run an EPSPrintOperation when loading is complete. then i 
> run an NSRunLoop until the delegate says it is finished.
>
> all ok, except:
>
> i am stuck with a catch 22.
> when the print operation saves the render to the file i want, it 
> has the bounds i set for the window when i created the window. 
> *not* the bounds of the paper. it turns out that no matter what 
> size i set in the [[NSWindow alloc] initWithContentRect:...] that 
> is the size of the "paper" in the postscript file.
> but since i have to create the window before the content is 
> rendered, i have to set the bounds before i know what to set the 
> bounds to. so i set it to (0,0,500,10000), and that is large enough 
> to hold most of the pages i download, but there is always too much 
> white tail below the content (read waste of paper when it is 
> printed or faxed).
>
> so what i think i need (unless the above method is not the way to 
> go) is:
>
> float height = ?
> (!!!!!!!!!!!!!!)
>
> that is it! all i want is to know what minimum height value i need 
> to display all the html content, given a page width (which is not 
> adjustable since paper comes in a set width), so that i can set the 
> height of the nssize of the nsrect for the [window setBounds:] (or 
> webframe or webview or whatever) to make this program work!
>
> but because webkit is so non standard KVM/objective C, i cannot get 
> a handle on the basic UI elements to send them sizeToFit's and 
> bound's messages. give me that or some alternative, and  i will be 
> a happy camper! thankx thankx thankx thankx thankx in advance!
>
> warwick
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