I dont like hardcoding the accuracy slider as a controller of the stabilizer. I am personally more in favor of mockup1 and mockup 2 myself. This is exactly how paint tool sai does it and it is very simple and clean.Īlternatively we can have accuracy control the stabilizer and what we are left with is a single tick box to enable or disable it: The drop down list doesnt have to use numbers - it can be text and numbers- similar to how paint tool sai does it. Or one of the items in the drop down list is called "disabled" or "Off".
I like this approach because it does not waste a lot of horizontal space.Īlternatively the stabilizer can be just one drop down list- when it is set to zero, it is disabled: When enabled, a new drop down menu appears and lets you select a value for the stabilizer (similar to how paint tool sai's stabilizer works). In it, when you tick stabilizer - you enable it. Perhaps it would be more flexible if accuracy slider does not control the stabilizer, but stabilizer has it's own control value. Secondly when enabled, a new value needs to become visible - one that controls how slow the brush gets.Īccuracy controls the number of points that are created on the stroke.First of all we need a way to enable and disable this functionality on the brush tool- perhaps a tick box?.You can see the storke keeps changing so user can adjust their stroke This is an incredible progress!ĭoes this work on the brush tool in vector or raster mode? it would be nice to have in both, but mostly in vector mode.įor the interface these are the suggestions I can make. Here's a demo of a more pratical use case. The advantage is user have finer control but it heavily relies on a fast stroke rendering backend.
#PAINT TOOL SAI 64 BIT ACTIVATION CODE#
This is because my GPU based rendering code is fast enough to show smoothed stroke in realtime. My code is a brute force way and doesn't have this optimization. I also checked Harmony, it only applies the smoothing after whole stroke finishes. Krita's stabilizer discards these segments while TVP and MyPaint show these segments when user finishes the stroke. The side effect is there will be a small part of stroke segments can't show until the whole stroke completes (when user release the stylus or mouse button). So the trick is only showing the stroke segments where the shape no long changes. But the change is limited to the smooth ranges (defined by sub line segment count or distance). As the stylus or mouse moves, the shape of the stroke is always changing. Points.insert(it, pts.begin(), Sorry I don't have enough time to finish this feature currently.įrom my testing, TVP, mypaint and krita use similar approaches to avoid redawing the whole stroke. Points.insert(it, pts.begin(), pts.end())
Std::vector::iterator it = points.begin() Here is an example:ĬatmulRomSplineBySpacing(points, points, points, points, 2.0f, pts) Krita - brush stabilizer - it has three types of stabilizing. By default this value is quite small (2) so that the tool is fast and responsive, but you can increase mass to get slower and smoother pen. In physics, mass is what causes inertia the higher the mass of the Inkscape calligraphy tool, the more it lags behind your mouse pointer and the more it smoothes out sharp turns and quick jerks in your stroke. Some open source examples of this - so you can potentially take code from them: Here is lazy nezumi - an application dedicated to stabilizing strokes in other applications that lack the feature: To show some examples of this, here is tvpaint's line smoothing: A brush stabilizer is a value that slows down the tracking of the stylus in order to make it easier for the user to create broad smooth strokes as he/she draws them. Toonz brush tool currently has no way of stabilizing strokes.
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