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layered png image using a PHP library#1
Does anyone know about a PHP library which can produce layered PNG images? (I(m not sure, but I think that tiff image standard supports layers also)

posted date: 2009-04-07 23:54:00

Re: layered png image using a PHP library#2
I had made out the solution of this problem. click to view my topic...

hope that hepls.

posted date: 2009-04-07 23:54:01

Re: layered png image using a PHP library#3
AFAIR, PNG does not support layers. MNG does and you can produce these with ImageMagick. For PHP extension see: http://www.php.net/imagick

posted date: 2009-04-08 00:04:00

Re: layered png image using a PHP library#4
yeah, but then I don't see where the problem is. GD supports that without any problems.

posted date: 2009-04-08 00:07:00

Re: layered png image using a PHP library#5
Fireworks uses a layered file with a PNG extension, I imagine he means that.

posted date: 2009-04-08 00:28:00

Re: layered png image using a PHP library#6
Assuming you mean the layered PNG files as per fireworks, I don(t think you can do it. I(ve not seen anything except fireworks that supports these files properly.

posted date: 2009-04-08 00:29:00

Re: layered png image using a PHP library#7
Then that's some Adobe proprietary extension.

posted date: 2009-04-08 00:49:00

Re: layered png image using a PHP library#8
From the ImageMagicAPI site:PHP MagickWand for PHP a native PHP-extension to the ImageMagick MagickWand API. IMagick is a native PHP extension to create and modify images using the ImageMagick API. Documentation for the extension is available here. phMagick is a wrapper class for ImageMagick, wrapping the most common web image manipulation actions in easy to use functions, but allowing full access to ImageMagick(s power by issuing system calls to it(s command-line programs.ImageMagick┬« is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (over 100) including DPX, EXR, GIF, JPEG, JPEG-2000, PDF, PhotoCD, PNG, Postscript, SVG, and TIFF. Use ImageMagick to translate, flip, mirror, rotate, scale, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and B├ęzier curves.

posted date: 2009-04-21 23:39:00

Re: layered png image using a PHP library#9
The extra information in a Fireworks PNG is contained in private ancillary chunks and I believe the format of these chunks has not been made public.

posted date: 2009-05-30 12:14:00

Re: layered png image using a PHP library#10
thanks for the extra info!

posted date: 2009-05-31 08:35:00

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