def _load_otglyph(g, ttfont, cmap): glyph = Glyph() glyph._name = g if g in cmap: glyph._unicodes = list(cmap[g]) else: glyph._unicodes = [] glyph._contours = [] _load_ttcategory(glyph, ttfont, g) ttglyph = ttfont.getGlyphSet()[g] pen = RecordingPen() ttglyph.draw(pen) contours = pen.value lastcontour = [] startPt = (0, 0) lastPt = (0, 0) index = 0 for c in contours: if c[0] == "moveTo": startPt = c[1][0] elif c[0] == "closePath": if startPt != lastPt: lastcontour.append(_load_point(startPt, segmentType="line")) contour = Contour() contour._points = lastcontour contour._correct_direction() glyph._contours.append(contour) lastcontour = [] elif c[0] == "curveTo": lastcontour.append(_load_point(c[1][0], segmentType="offcurve")) lastcontour.append(_load_point(c[1][1], segmentType="offcurve")) lastcontour.append(_load_point(c[1][2], segmentType="curve")) lastPt = c[1][2] elif c[0] == "lineTo": lastcontour.append(_load_point(c[1][0], segmentType="line")) lastPt = c[1][0] elif c[0] == "qCurveTo": self.raiseNotImplementedError() glyph._width = ttfont["hmtx"][g][0] glyph._leftMargin = ttfont["hmtx"][g][1] glyph._height = ttfont["hhea"].ascent if glyph.bounds: glyph._rightMargin = glyph._width - glyph.bounds[2] # CFF glyphs do not have components as such return glyph
def _load_contour(glyph, segments): contour = Contour() contour._glyph = glyph contour._points = [] for s in segments: if s[-1] == "x": # sx? s = s[:-3] if s[-1] == "s": smooth = True s = s[:-2] else: smooth = False if s[-1] == "c": # Close s = s[:-2] points = s.split(" ") for ix, position in enumerate(points): p = Point() p._contour = contour p.x, p.y = [float(pos) for pos in position.split(" ")] if len(points) == 1: p.type = "line" elif ix == 2: p.type = "curve" else: p.type = "offcurve" if ix == len(points) - 1 and smooth: p.smooth = True else: p.smooth = False contour._points.append(p) if len(contour._points) and contour._points[-1].type == "offcurve": contour._points[0].type = "curve" contour._correct_direction() return contour
def _load_contour(ttglyph, index): endPt = ttglyph.endPtsOfContours[index] if index > 0: startPt = ttglyph.endPtsOfContours[index - 1] + 1 else: startPt = 0 points = [] for j in range(startPt, endPt + 1): coords = (ttglyph.coordinates[j][0], ttglyph.coordinates[j][1]) flags = ttglyph.flags[j] == 1 t = "offcurve" if flags == 1: if (j == startPt and ttglyph.flags[endPt] == 1) or (j != startPt and points[-1].type != "offcurve"): t = "line" else: t = "qcurve" else: if len(points) > 1 and points[-1].type == "offcurve": # Double offcurve. Insert implicit oncurve. prevpoint = points[-1] intermediate = Point() intermediate.x = (coords[0] + prevpoint.x) / 2 intermediate.y = (coords[1] + prevpoint.y) / 2 intermediate.smooth = False # XXX intermediate.type = "qcurve" points.append(intermediate) p = Point() p.x, p.y = coords p.type = t p.smooth = False # for testing points.append(p) c = Contour() c._points = points c._correct_direction() return c
def _load_gspath(gspath, glyph): contour = Contour() contour._glyph = glyph contour._points = [_load_gspoint(p, contour) for p in gspath.nodes] contour._clockwise = gspath.direction == 1 return contour
def _load_dccontour(dccontour, glyph): contour = Contour() contour._glyph = glyph contour._points = [_load_dcpoint(p, contour) for p in dccontour] contour.clockwise = dccontour.clockwise return contour