Thank you for the response, but there also appears to be a loss of color
in the gradient of the _monitor_.
After replacing patternContentUnits="objectBoundingBox" with viewBox="0 0 1 1" preserveAspectRatio="none" The renderings are almost indistinguishable. Also looking at the pixel values they are very close to the requested values at the edge of the monitor:
#c9d4e4 the gradient ends at: #c6d1e3
-----Original Message-----
From: Thomas DeWeese [mailto:[EMAIL PROTECTED] Sent: Thursday, December 04, 2003 3:07 PM
To: Batik Users
Subject: Re: Batik doesn't render this properly
Grinvald, Edward wrote:
I have an image that renders well in ie (w/ adobe plug-in), and looks completely different with batik. Does anyone know what the problem is?
Hi Edward,
The problem is the use of patternContentUnits="objectBoundingBox". take the example from the specification:
<pattern x="10" y="10" width="20" height="20"> <rect x="5" y="5" width="10" height="10"/> </pattern>
In this case the rectangle's top left corner is 5 pixels over/down from the pattern tile's origin (this uses the default userSpaceOnUse for patternContentUnits).
But when you say "objectBoundingBox" this says that the coordinate system (within the pattern tile) is established using the objects bounding box. So in this case 0,0 is mapped to the coordinates of the object's upper left corner, _not_ to the tile's upper left corner. In your case the objects upper left corner is not 0,0 so the pattern contents appear 'shifted' in Batik. Adobe appears to ignore this translation and only apply the scaling portion of the transform.
The 'fix' for this is to use viewBox="0 0 1 1" preserveAspectRatio="none" which says map the coordinate space 0,0 ->
1,1 to what ever space x,y w,h define. Which appears to be what you
want.
Edward Grinvald *Software Engineer, BrightStor** *Computer Associates International (<***http://www.ca.com* <http://www.ca.com/>*>)** *One Computer Associates Plaza * *Islandia* *, NY 11749 * *voice: (631) 342 6350* [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
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