centerRect - "stretching" an image

scott at elementarysoftware.com scott at elementarysoftware.com
Thu Feb 14 01:39:11 EST 2019


Jacque,
Thanks for the example explanations. I wan’t quite understanding the usefulness.
—
Scott Morrow

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> On Feb 13, 2019, at 8:01 PM, J. Landman Gay via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> The centerRect allows you to stretch a portion of an image without affecting the areas outside of the rectangle. Imagine you have an image with rounded corners and you want to use it as a button icon. You can specify an area in the center of the image that can stretch as wide as you need the button to be but the corners won't be affected and will keep their original radius.
> 
> Or imagine a vertical image like a paper bookmark with a design on top and a cutout shape on the bottom. You could stretch the center area to make it taller without distorting the top design or the cutout at the bottom.
> --
> Jacqueline Landman Gay | jacque at hyperactivesw.com
> HyperActive Software | http://www.hyperactivesw.com
> On February 13, 2019 7:49:01 PM Sannyasin Brahmanathaswami via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
>> See my other message to the list of UI Handlers…
>> 
>> For my library, I was looking for clues to "centering "  and came across
>> 
>> centerRect
>> 
>> set the centerRect[angle] of image to rectangle
>> set the centerRect of image "buttonImage" to 20,20,45,200
>> 
>> Dictionary is obscure,
>> 
>> 1. What does "stretching" mean
>>             in the context of " Use to centerRect property to specifies a region of              pixels that should be stretched when the image is stretched." Something              that happens is development with the Selection Tool on?
>> 
>> 2.  centerRect[angle]
>>          Implies an array. But there is no reference to an array in the dictionary?
>> 
>> BR
>> 
>> 
>> 
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> 
> 
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