* bug#11648: 24.1; hs-hide-all infinite loop
@ 2012-06-08 6:43 Leo
0 siblings, 0 replies; only message in thread
From: Leo @ 2012-06-08 6:43 UTC (permalink / raw)
To: 11648
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1. Emacs -q
2. C-x C-f the attached file
3. M-x hs-hide-all
Leo
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// -*- mode: objc; mode: hs-minor; -*-
12
/*
* It may not always be necessary for an application to scan all the
* way to the edges of the image. By cropping the scan area, you can
* get most of the benefits of reduced resolution without sacrificing
* the minimum feature size. Cropping will also not affect image
* noise, but similar to decreasing the resolution, it does affect the
* maximum size barcode that can be scanned.
*
* For all cases you set the crop rectangle scanCrop property. Note
* that the rectangle provided to the controller is normalized across
* image size and rotation. This means that the coordinates range from
* 0 to 1 and the axes will be arranged such that the x-axis of the
* crop rectangle corresponds to the major (longer) image axis.
*
* Your interface will typically need to indicate the cropped scan
* area to the user with visual queues. Use the cameraOverlayView to
* provide this.
*
* By default, the ZBarReaderView recognizes a pinch gesture to
* digitally zoom the preview around the center of the image. This
* zoom does not affect the resolution of the image, but it does crop
* the scan region to the visible area. You can also disable the pinch
* gesture and set the zoom programmatically.
*
*/
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2012-06-08 6:43 bug#11648: 24.1; hs-hide-all infinite loop Leo
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