hi! Can you post a link to an image showing what you like to achieve? With the src image?
Thanks! On Wed, Aug 7, 2013 at 9:46 AM, Jacob Kruger <ja...@blindza.co.za> wrote: > I need/want to be able to take either uploaded, or stored image files, and > crop them into either rectangular, or elliptical pieces/shapes, and am using > GD library thus far. > > The basics are not an issue - for rectangular cropping, imagecopy and > imagecopyresize, etc. are functions that can handle it easily enough, and in > terms of elliptical cropping, I am drawing an elliptical shape onto the > original image using a colour that's unlikely to be part of the original > image resource, with drawing line thickness set to 2 pixels for now, and then > I do a form of flood fill to border with that same colour outside the > ellipsis, and then set that as the transparent colour of the image, before > copying the relevant part to another image resource as well. > > However, it now comes down to that the images to be saved might also need to > have sort of faded/increasingly transparent outlines, and these would > generally be photo's, and so, just choosing a single transparent colour won't > really work too well. > > Was thinking simplest will be to in fact take multiple instances of each > image, with each of them going slightly smaller in terms of width/height, and > then I could keep them centred on each other, but sort of overlay them with > the most transparent/faded/widest image instance starting from back, and with > sort of original colouration/narrowest one being applied to output resource > last, and this should implement a form of faded/blurred outline/edging to > output image? > > However, it again comes down to trying to decide on best/simplest way to > apply a form of global transparency filter to an image resource, without > needing to specify a specific colour each time for something like the > imagecolourtransparent function, since suppose would need to then figure out > a way to determine which RGB value would work best per image - and don't > think that could be made to work consistently either. > > In other words, what am really looking for at moment is a way to set the > opacity of an image resource - and if it comes down to capturing the output > buffer while using something like imagepng to stream the image resource to > the buffer, that's not an issue either since am already using a form of that > to sometimes capture image resource data in another way, but, would need to > find a way to somehow affect opacity of output stream image then as well. > > While I am currently pretty much just using GD library, I would be open to > other suggestions/workarounds/thoughts on the simplest way to implement > something like this? > > And, if I'm just missing, or haven't come across a simple way to implement > faded/graded outlines for images, would also like to know that...<smile> > > TIA > > Jacob Kruger > Blind Biker > Skype: BlindZA > '...fate had broken his body, but not his spirit...' -- Pierre @pierrejoye | http://blog.thepimp.net | http://www.libgd.org -- PHP Windows Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
