[Bf-committers] Icon scaling

Luke Frisken l.frisken at gmail.com
Tue Nov 8 08:21:23 CET 2011

Your idea about hinting for icon rendering is exactly the same as one
I had last year when working on am icon set for a medical company last
year! Perhaps it's outside the scope of blender to create such a
system, but I certainly believe there is potential for the idea. I was
thinking about trying to implement it in inkscape later this year, but
had forgotten about it. This gives some new interest for sure ;)


On 11/6/11, Stephan Aßmus <superstippi at gmx.de> wrote:
> Hi all,
> this is my first post to the list. My name is Stephan Aßmus and I am a
> contributor to the Haiku project, www.haiku-os.org. I stumbled over a
> tutorial about using Cycles and this has renewed my interest in Blender.
> Blender is pretty powerful, but I think it is still not approachable
> without doing Internet searches and following Tutorials (for example I
> had to look up how to close views, or stumbled across Shift-A in a video
> tutorial after wondering how I even create new objects). However,
> awesome features such as Cycles makes potential users more willing to
> take these steps, such as in my case. :-)
> One thing I really like about the interface, is that it is scalable by
> providing a device DPI value in the preferences. The only problem with
> this approach is that icons are scaled up and look blurry. Maybe a
> solution would be to store all icons in a bigger resolution, but it
> won't be perfect.
> For the Haiku project, I have developed a scalable vector icon format
> which takes extremely little disk space to store, and is very fast to
> render without artifacts, since it is using single pass compound shape
> rendering based on Anti-Grain Geometry. Some of you may be familiar with
> this awesome 2D graphics framework.
> I have tried to search for previous discussion on this subject in the
> Blender world, but nothing has shown up. Maybe I didn't look in the
> right places.
> My icon rendering as such would not solve the blurriness as is. But it
> has the potential to achieve this. Just as text rendering uses glyph
> hinting to align the shapes of glyphs to device pixels, a similar
> technique could be used for rendering scaled vector icons. But it should
> be difficult to do it with a general purpose vector format such as SVG,
> versus a dedicated icon format in which meta information can be given to
> shapes. For example, my icon format already contains a mechanism for
> making shapes disappear or appear in certain ranges of global scale. The
> format and renderer could be extended to support tagging shapes for
> being pixel aligned at render time.
> One post I stumbled across suggest that the original format of the
> Blender icons is SVG. The one editor which exists for creating icons in
> my format does support SVG import (and export), but the import is quite
> limited. One drawback of the idea is that all icons would have to be
> worked over to make use of all the features of my format (sharing of
> paths and styles) to benefit from the possible small disk size. And my
> icon editor only exists for Haiku at the moment. :-)
> But is there even some general interest in this idea? To learn more
> about the format, I just found out there is even a Wikipedia page (while
> looking up my articles):
> http://en.wikipedia.org/wiki/Haiku_Vector_Icon_Format
> Best regards,
> -Stephan
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Sent from my mobile device

>From Luke

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