Hello Heiko, <svg:linearGradient/> is not a hack. It has been in the ODF specification since 1.0.
Cheers, Jos On Saturday 10 September 2016 11:11:40 Heiko Tietze wrote: > Hello all, > > the LibreOffice conference gave me the chance to present some ideas > regarding Draw and shapes in general. One of the most wanted features is > the multistop gradient. Today we can define gradients between two colors, > either linear, radial, or whatever. It would be nice to have a) non-linear > multistop gradients, for example to illustrate a sundown with a small red > and a larger yellow section, and b) a gradient over more than two colors, > e.g. in order to add blue sky to the sundown. > > Since Calligra offers multicolor gradients, Armin and me checked how it is > saved (the rendering is build-in right now). And it turns out that they > hack SVG into the ODF. For the (predefined) rainbow-like gradient the > style.xml looks like this: > > <svg:linearGradient draw:name="gradient1" svg:spreadMethod="pad" > svg:x1="0.000000%" svg:x2="100.000000%" svg:y1="0.000000%" > svg:y2="100.000000%"> <svg:stop svg:offset="0" > svg:stop-color="#ff0000"/><svg:stop svg:offset="0.183575" > svg:stop-color="#ffe100"/><svg:stop svg:offset="0.347826" > svg:stop-color="#00ff00"/><svg:stop svg:offset="0.516908" > svg:stop-color="#00ffff"/><svg:stop svg:offset="0.68599" > svg:stop-color="#0000ff"/><svg:stop svg:offset="0.845411" > svg:stop-color="#ff00fb"/><svg:stop svg:offset="1" > svg:stop-color="#ff0004"/> </svg:linearGradient> > > As an UX evangelist I don't care too much about the implementation and have > rather the workflow and interactions in mind. Ideally the multi-gradient > works with all features, and not as another type next to linear, radial > etc. (There might be a problem that result in this sub-optimal solution). > > And finally we have to take interoperability into account as well as the > conformity to the ODF specs (no idea if and how it is defined). > > So how do we make multistop/multicolor gradients possible? > > Cheers, > Heiko > > PS: Suggestions on how to implement this feature in the UI are existing. _______________________________________________ LibreOffice mailing list LibreOffice@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/libreoffice