On Mon, Aug 13, 2012 at 11:42 AM, fireball <samiib...@hotmail.com> wrote:
> Thanks! Jonathan. > > This makes things much cleaner and easier to deal with. > > The only thing is rotation. It does not sound straight forward like the > other values (translate, shear, scale). > > Is there a simple way to set/get rotate value? > I tried something like this for setting it but it did not work: > > String strTransform = elt.getAttributeNS(null, > SVGConstants.SVG_TRANSFORM_ATTRIBUTE); > TransformListParser p = new TransformListParser(); > AWTTransformProducer tp = new AWTTransformProducer(); > p.setTransformListHandler(tp); > p.parse(strTransform); > AffineTransform at = tp.getAffineTransform(); > at.rotate(Math.toRadians(Double.valueOf(rotateAngle))); > > This looks correct....did you also replace your original transform with this one? Something like this: ... el.setAttributeNS(null, SVGConstants.SVG_TRANSFORM_ATTRIBUTE, affineTransformToString(at)); .... public String affineTransformToString(final AffineTransform at) { double[] matrix = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0}; at.getMatrix(matrix); return matrixArrayToString(matrix); } public String matrixArrayToString(double[] vals) { return new StringBuilder("matrix(").append(vals[0]).append(" ").append(vals[1]).append(" ").append(vals[2]).append(" ").append(vals[3]).append(" ").append(vals[4]).append(" ").append(vals[5]).append(") ").toString(); } > For getting it I had to parse the transform string myself to get rotate > value. > > Note that my transform is like this: transform="matrix(a,b,c,d,e,f) > rotate(angle)". Should rotate be part of the matrix? > both are correct. I tend to use matrix only because of TransformListParser/AffineTransform, but that does not mean you can't concat multiple matrices, or explicit transforms like rotate/scale... > > Any thoughts? > > > > -- > View this message in context: > http://batik.2283329.n4.nabble.com/Read-Write-transform-values-tp4655190p4655199.html > Sent from the Batik - Users mailing list archive at Nabble.com. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: batik-users-unsubscr...@xmlgraphics.apache.org > For additional commands, e-mail: batik-users-h...@xmlgraphics.apache.org > >