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Re: Comparing pixels in an image
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Re: Comparing pixels in an image


  • Subject: Re: Comparing pixels in an image
  • From: Eamon Ford <email@hidden>
  • Date: Tue, 17 Jan 2006 22:32:05 -0800

Hmm, neither of those are working. When I switch to list view, it just shows the WebView, without an NSScrollView.


On Jan 17, 2006, at 8:51 PM, John Stiles wrote:

Two ways:
- you can use the list view instead of the graphical view. On the right side of the "Instances" pane there are two tiny icons, one with four squares and one with horizontal lines. Click the horizontal lines.
- you can access it in the graphical view of IB if you try to make a connection on the very edge of the web-view area. Not sure why it works that way, it just does.



Eamon Ford wrote:
But I mean, how do I access it in IB? All I can select is the WebView.


On Jan 17, 2006, at 7:16 PM, John Stiles wrote:

Well, typically you'd make an outlet in IB, like with any other view.

On Jan 17, 2006, at 4:11 PM, Eamon Ford wrote:

Aha, okay. But how do I access the NSScrollView?


On Jan 17, 2006, at 3:13 PM, John Stiles wrote:

The web view is embedded inside an NSScrollView, which is in charge of the scrollers. You can hide them that way.


On Jan 17, 2006, at 2:50 PM, Eamon Ford wrote:

I have a method that takes a screenshot of a WebView, but I don't want there to be scroll bars in the screenshot. I don't see a way to set the WebView to not have scroll bars, without perhaps subclassing it, so I thought the easiest way would be to determine if scroll bars show up in the screenshot, and if they do, cut them out.

I'm rather new to Cocoa, so I might be doing this wrong. Is there a better way to do this?


On Jan 17, 2006, at 2:43 PM, John C. Randolph wrote:


On Jan 17, 2006, at 1:45 PM, Eamon Ford wrote:

How do I compare the pixels at specified coordinates in an image?

What are you trying to do?

-jcr

John C. Randolph <email@hidden> (408) 914-0013
Roaming Cocoa Engineer,
Available for your projects at great Expense and Inconvenience.




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  • Follow-Ups:
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References: 
 >Comparing pixels in an image (From: Eamon Ford <email@hidden>)
 >Re: Comparing pixels in an image (From: "John C. Randolph" <email@hidden>)
 >Re: Comparing pixels in an image (From: Eamon Ford <email@hidden>)
 >Re: Comparing pixels in an image (From: John Stiles <email@hidden>)
 >Re: Comparing pixels in an image (From: Eamon Ford <email@hidden>)
 >Re: Comparing pixels in an image (From: John Stiles <email@hidden>)
 >Re: Comparing pixels in an image (From: Eamon Ford <email@hidden>)
 >Re: Comparing pixels in an image (From: John Stiles <email@hidden>)

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