On Thu, 5 Sep 2013, Rik Cabanier wrote: > On Thu, Sep 5, 2013 at 3:22 PM, Ian Hickson <i...@hixie.ch> wrote: > > On Sat, 10 Aug 2013, Rik Cabanier wrote: > > > > > > I was wondering if this is something that happens in Flash as well. > > > It turns out that there's an option called "hinting: Keep stroke > > > anchors on full pixels to prevent blurry lines." There's a blog post > > > on what this does: > > > > > > http://www.kaourantin.net/2005/08/stroke-hinting-in-flash-player-8-aka.html > > > http://www.kaourantin.net/2005/08/stroke-hinting-in-flash-player-8-aka.html > > > > > > I created an example (in flash sorry) that shows the feature: > > > http://cabanier.github.io/BlendExamples/pixelsnap/pixelsnap.html 2 > > > sets of strokes move across the screen and are also scaled. > > > > > > The top strokes behave like canvas does today. They start of blurry > > > and during the animation they slowly get ticker. For some reason it > > > doesn't look very smooth. The bottom strokes have hinting turned on. > > > They are sharp at the beginning and during the animation they stay > > > the same size until the internal stroke width is large enough. At > > > that point you see a 'jump'. > > > > > > I think canvas should have a similar feature... > > > > Can you elaborate on how exactly you would want this to work? How > > would you avoid the alignment and distortion problems when applying > > this to anything less trivial than a rectangle? > > Basically, this would *just* move the control points and the width of > paths so the strokes are always aligned to the pixel grid (This would > take pixel density and transformations into account). After this, you > would draw as usual.
Can you define "aligned to the pixel grid"? If I have a line from x1,y to x2,y, followed by an arc from x2,y back to x1,y with radius r, what should happen and why? What if they're draw as separate paths? -- Ian Hickson U+1047E )\._.,--....,'``. fL http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'