Created
February 28, 2019 09:57
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EditTool script for RoboFont 3. Show the ratio between the length of incoming and outgoing sections of bcps and tangents.
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| import AppKit | |
| from mojo.events import installTool, EditingTool, BaseEventTool, setActiveEventTool | |
| from mojo.drawingTools import * | |
| from mojo.UI import UpdateCurrentGlyphView | |
| from defconAppKit.windows.baseWindow import BaseWindowController | |
| import math | |
| # | |
| # | |
| # A visualisation for RoboFont | |
| # Show the ratio between the length of incoming and outgoing sections of bcps and tangents. | |
| # Show the angle | |
| # Draw in active and inactive views so we can compare different glyphs | |
| # [email protected] | |
| class RatioTool(EditingTool): | |
| balloonDistance = 100 | |
| textAttributes = { | |
| AppKit.NSFontAttributeName : AppKit.NSFont.systemFontOfSize_(10), | |
| AppKit.NSForegroundColorAttributeName : AppKit.NSColor.whiteColor(), | |
| } | |
| aa = .6 | |
| incomingColor = AppKit.NSColor.colorWithCalibratedRed_green_blue_alpha_(1,0,.5, aa) | |
| outgoingColor = AppKit.NSColor.colorWithCalibratedRed_green_blue_alpha_(.5,0,1, aa) | |
| _offcurveNames = ['offcurve', 'offCurve'] # RF1.8: offcurve, RF2.0 offCurve | |
| def setup(self): | |
| self._rin = None | |
| self._rout = None | |
| self.markerWidth = 12 | |
| self.snapThreshold = .5 | |
| def drawInactive(self, viewScale, glyph=None, view=None): | |
| # also draw when the view is inactive so we can compare different windows | |
| self.draw(viewScale, RGlyph(glyph)) | |
| def draw(self, viewScale, g=None): | |
| if g is None: | |
| g = self.getGlyph() | |
| if g is not None: | |
| save() | |
| self.getRatio(g, viewScale) | |
| restore() | |
| def getRatio(self, g, viewScale): | |
| # get the in/out ratio of selected smooth points | |
| for c in g.contours: | |
| if c is None: continue | |
| l = len(c.points) | |
| for i, p in enumerate(c.points): | |
| # we're dragging a bcp so we need the previous and the one before that | |
| # or, the next and the one after that. | |
| if not p.selected: continue | |
| if c is None: | |
| continue | |
| pppt = c.points[i-2] | |
| ppt = c.points[i-1] | |
| npt = c.points[(i+1)%l] | |
| nnpt = c.points[(i+2)%l] | |
| # if False: | |
| # print('\npppt', pppt, "\t", pppt.type, "\t", pppt.smooth, pppt.index) | |
| # print('ppt', ppt, "\t", ppt.type, "\t", ppt.smooth) | |
| # print('p', p, "\t", p.type, "\t", p.smooth) | |
| # print('npt', npt, "\t", npt.type, "\t", npt.smooth) | |
| # print('nnpt', nnpt, "\t", nnpt.type, "\t", nnpt.smooth) | |
| # print('-'*40) | |
| # print("ppt.type in self._offcurveNames", ppt.type in self._offcurveNames, ppt.type) | |
| # print("ppt.type==curve", ppt.type=="curve") | |
| # print("p.smooth==True", p.smooth==True) | |
| # print("p.type==line", p.type=="line") | |
| # print("npt.type in self._offcurveNames", npt.type in self._offcurveNames) | |
| # print('-'*40) | |
| apt = bpt = cpt = r = rin = rout = None | |
| if p.type in self._offcurveNames and npt.type=="curve" and npt.smooth==True and nnpt.type in self._offcurveNames: | |
| #print('aa 1') | |
| apt = p | |
| bpt = npt | |
| cpt = nnpt | |
| elif ppt.type == "curve" and p.type in self._offcurveNames and npt.type in self._offcurveNames and ppt.smooth==True: | |
| #print('aa 2') | |
| apt = pppt | |
| bpt = ppt | |
| cpt = p | |
| elif ppt.type in self._offcurveNames and p.smooth==True and p.type=="curve" and npt.type in self._offcurveNames: | |
| #print('aa 3') | |
| apt = ppt | |
| bpt = p | |
| cpt = npt | |
| elif ppt.type in self._offcurveNames and p.smooth==True and p.type=="curve" and npt.type == "line": | |
| #print('aa 4') | |
| apt = ppt | |
| bpt = p | |
| cpt = npt | |
| elif pppt.type in self._offcurveNames and ppt.type=="curve" and p.smooth==True and p.type=="line" and npt.type in self._offcurveNames: | |
| #print('aa 5') | |
| apt = ppt | |
| bpt = p | |
| cpt = npt | |
| elif ppt.type in["curve", "line"] and p.smooth==True and p.type=="line" and npt.type in self._offcurveNames: | |
| #print('aa 6') | |
| apt = ppt | |
| bpt = p | |
| cpt = npt | |
| elif ppt.type in self._offcurveNames and p.type in self._offcurveNames and npt.type == "curve": | |
| # dragging an offcurve from a tangent | |
| #print('aa 7') | |
| apt = p | |
| bpt = npt | |
| cpt = nnpt | |
| elif p.type in self._offcurveNames and npt.type in self._offcurveNames and ppt.smooth==True: | |
| # dragging an offcurve from a tangent, other direction | |
| #print('aa 8') | |
| apt = pppt | |
| bpt = ppt | |
| cpt = p | |
| if apt is not None and bpt is not None and cpt is not None: | |
| rin = math.hypot(apt.x-bpt.x,apt.y-bpt.y) | |
| rout = math.hypot(cpt.x-bpt.x,cpt.y-bpt.y) | |
| r = rin / rout | |
| if r is not None: | |
| # text bubble for the ratio | |
| angle = math.atan2(apt.y-cpt.y,apt.x-cpt.x) + .5* math.pi | |
| sbd = self.balloonDistance * viewScale * .25 | |
| mp = math.cos(angle) * self.markerWidth* viewScale , math.sin(angle) * self.markerWidth* viewScale | |
| tp = bpt.x + math.cos(angle)*sbd*2, bpt.y + math.sin(angle)*sbd*2 | |
| self.getNSView()._drawTextAtPoint( | |
| "ratio %3.4f"%(r ), | |
| self.textAttributes, | |
| tp, | |
| yOffset=0, | |
| drawBackground=True, | |
| backgroundColor=self.outgoingColor) | |
| tp = bpt.x - math.cos(angle)*sbd*2, bpt.y - math.sin(angle)*sbd*2 | |
| self.getNSView()._drawTextAtPoint( | |
| "angle %3.4f"%(math.degrees(angle)%180 ), | |
| self.textAttributes, | |
| tp, | |
| yOffset=0, | |
| drawBackground=True, | |
| backgroundColor=self.incomingColor) | |
| p = bpt.x + bpt.x - apt.x, bpt.y + bpt.y - apt.y | |
| q = bpt.x + bpt.x - cpt.x, bpt.y + bpt.y - cpt.y | |
| dab = math.hypot(bpt.x - apt.x, bpt.y - apt.y) | |
| dcb = math.hypot(bpt.x - cpt.x, bpt.y - cpt.y) | |
| snap = False | |
| m = 3 | |
| if max(dab, dcb) - min(dab, dcb) < self.snapThreshold: | |
| snap = True | |
| m = 5 | |
| stroke(1,0,.5) | |
| strokeWidth(.75*viewScale) | |
| line((p[0]+mp[0], p[1]+mp[1]), (p[0]-mp[0], p[1]-mp[1])) | |
| line((q[0]+mp[0], q[1]+mp[1]), (q[0]-mp[0], q[1]-mp[1])) | |
| fill(1,0,.5) | |
| self.dot(p, viewScale, m) | |
| self.dot(q, viewScale, m) | |
| self._rin = rin | |
| self._rout = rout | |
| def dot(self, pos, viewScale, m=3): | |
| save() | |
| stroke(None) | |
| m = m * viewScale | |
| oval(pos[0]-m, pos[1]-m, 2*m, 2*m) | |
| restore() | |
| def mouseDown(self, point, event): | |
| pass | |
| def mouseUp(self, xx): | |
| self._rin = None | |
| self._rout = None | |
| # def keyDown(self, event): | |
| # letter = event.characters() | |
| # mods = self.getModifiers() | |
| # cmd = mods['commandDown'] > 0 | |
| # option = mods['optionDown'] > 0 | |
| p = RatioTool() | |
| installTool(p) | |
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