[varlib] Remove path compatiblization logic from CFF2CharStringMergePen
Agreed that paths glyphs form source fonts shoudl be fully compatible before varLib.build is called. Updated test files
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@ -60,129 +60,6 @@ class CFF2CharStringMergePen(T2CharStringPen):
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self._p0 = pt
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return list(self._p0)
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def make_flat_curve(self, prev_coords, cur_coords):
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# Convert line coords to curve coords.
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dx = self.roundNumber((cur_coords[0] - prev_coords[0])/3.0)
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dy = self.roundNumber((cur_coords[1] - prev_coords[1])/3.0)
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new_coords = [prev_coords[0] + dx,
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prev_coords[1] + dy,
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prev_coords[0] + 2*dx,
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prev_coords[1] + 2*dy
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] + cur_coords
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return new_coords
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def make_curve_coords(self, coords, is_default):
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# Convert line coords to curve coords.
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prev_cmd = self._commands[self.pt_index-1]
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if is_default:
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new_coords = []
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for i, cur_coords in enumerate(coords):
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prev_coords = prev_cmd[1][i]
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master_coords = self.make_flat_curve(prev_coords[:2],
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cur_coords)
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new_coords.append(master_coords)
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else:
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cur_coords = coords
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prev_coords = prev_cmd[1][-1]
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new_coords = self.make_flat_curve(prev_coords[:2], cur_coords)
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return new_coords
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def check_and_fix_flat_curve(self, cmd, point_type, pt_coords):
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if (point_type == 'rlineto') and (cmd[0] == 'rrcurveto'):
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is_default = False
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pt_coords = self.make_curve_coords(pt_coords, is_default)
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success = True
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elif (point_type == 'rrcurveto') and (cmd[0] == 'rlineto'):
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is_default = True
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expanded_coords = self.make_curve_coords(cmd[1], is_default)
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cmd[1] = expanded_coords
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cmd[0] = point_type
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success = True
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else:
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success = False
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return success, pt_coords
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def check_and_fix_closepath(self, cmd, point_type, pt_coords):
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""" Some workflows drop a lineto which closes a path.
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Also, if the last segment is a curve in one master,
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and a flat curve in another, the flat curve can get
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converted to a closing lineto, and then dropped.
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Test if:
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1) one master op is a moveto,
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2) the previous op for this master does not close the path
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3) in the other master the current op is not a moveto
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4) the current op in the otehr master closes the current path
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If the default font is missing the closing lineto, insert it,
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then proceed with merging the current op and pt_coords.
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If the current region is missing the closing lineto
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and therefore the current op is a moveto,
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then add closing coordinates to self._commands,
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and increment self.pt_index.
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Note that if this may insert a point in the default font list,
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so after using it, 'cmd' needs to be reset.
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return True if we can fix this issue.
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"""
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if point_type == 'rmoveto':
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# If this is the case, we know that cmd[0] != 'rmoveto'
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# The previous op must not close the path for this region font.
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prev_moveto_coords = self._commands[self.prev_move_idx][1][-1]
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prv_coords = self._commands[self.pt_index-1][1][-1]
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if prev_moveto_coords == prv_coords[-2:]:
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return False
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# The current op must close the path for the default font.
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prev_moveto_coords2 = self._commands[self.prev_move_idx][1][0]
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prv_coords = self._commands[self.pt_index][1][0]
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if prev_moveto_coords2 != prv_coords[-2:]:
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return False
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# Add the closing line coords for this region
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# so self._commands, then increment self.pt_index
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# so that the current region op will get merged
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# with the next default font moveto.
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if cmd[0] == 'rrcurveto':
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new_coords = self.make_curve_coords(prev_moveto_coords, False)
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cmd[1].append(new_coords)
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self.pt_index += 1
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return True
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if cmd[0] == 'rmoveto':
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# The previous op must not close the path for the default font.
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prev_moveto_coords = self._commands[self.prev_move_idx][1][0]
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prv_coords = self._commands[self.pt_index-1][1][0]
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if prev_moveto_coords == prv_coords[-2:]:
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return False
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# The current op must close the path for this region font.
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prev_moveto_coords2 = self._commands[self.prev_move_idx][1][-1]
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if prev_moveto_coords2 != pt_coords[-2:]:
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return False
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# Insert the close path segment in the default font.
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# We omit the last coords from the previous moveto
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# is it will be supplied by the current region point.
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# after this function returns.
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new_cmd = [point_type, None]
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prev_move_coords = self._commands[self.prev_move_idx][1][:-1]
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# Note that we omit the last region's coord from prev_move_coords,
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# as that is from the current region, and we will add the
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# current pts' coords from the current region in its place.
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if point_type == 'rlineto':
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new_cmd[1] = prev_move_coords
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else:
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# We omit the last set of coords from the
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# previous moveto, as it will be supplied by the coords
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# for the current region pt.
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new_cmd[1] = self.make_curve_coords(prev_move_coords, True)
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self._commands.insert(self.pt_index, new_cmd)
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return True
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return False
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def add_point(self, point_type, pt_coords):
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if self.m_index == 0:
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self._commands.append([point_type, [pt_coords]])
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@ -211,7 +88,6 @@ class CFF2CharStringMergePen(T2CharStringPen):
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def _moveTo(self, pt):
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pt_coords = self._p(pt)
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self.prev_move_abs_coords = self.roundPoint(self._p0)
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self.add_point('rmoveto', pt_coords)
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# I set prev_move_idx here because add_point()
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# can change self.pt_index.
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Binary file not shown.
Binary file not shown.
Binary file not shown.
@ -1,5 +1,5 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<ttFont sfntVersion="OTTO" ttLibVersion="3.31">
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<ttFont sfntVersion="OTTO" ttLibVersion="3.32">
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<fvar>
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@ -91,12 +91,6 @@
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<StdVW>
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<blend value="85 -51.0 87.0"/>
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</StdVW>
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<StemSnapH>
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<blend value="67 -39 67"/>
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</StemSnapH>
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<StemSnapV>
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<blend value="85 -51 87"/>
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</StemSnapV>
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</Private>
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</FontDict>
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</FDArray>
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@ -106,29 +100,31 @@
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hmoveto
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476 -44 76 1 blend
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660 -476 44 -76 1 blend
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hlineto
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109 -601 -61 103 -27 45 2 blend
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-660 hlineto
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109 59 -61 103 -27 45 2 blend
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rmoveto
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73 131 54 102 29 -47 45 -75 10 -18 4 -6 4 blend
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4 0 52 -102 73 -131 10 -16 -4 6 27 -47 -45 75 4 blend
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rlineto
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-300 52 -42 72 -10 16 2 blend
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-256 -76 128 1 blend
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hlineto
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-44 52 34 -56 -10 16 2 blend
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rmoveto
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461 75 -125 1 blend
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vlineto
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127 -232 27 -45 -38 64 2 blend
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127 -232 -127 -229 27 -45 -38 64 -27 45 -37 61 4 blend
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rlineto
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44 48 -22 36 -22 36 2 blend
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171 277 5 -9 15 -25 2 blend
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rmoveto
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-50 93 -66 119 234 -6 10 -1 3 -28 48 49 -83 68 -114 5 blend
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0 -65 -119 -49 -93 -29 47 -49 83 -5 9 1 -3 4 blend
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rlineto
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44 -48 -22 36 22 -36 2 blend
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-4 hlineto
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48 -48 -22 36 22 -36 2 blend
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rmoveto
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126 232 26 -44 38 -64 2 blend
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0 -461 -126 229 -75 125 -26 44 37 -61 3 blend
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rlineto
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-461 -75 125 1 blend
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vlineto
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</CharString>
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<CharString name="A">
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31 19 -31 1 blend
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@ -141,58 +137,65 @@
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20 -76 22 -72 23 -73 4 -6 -6 10 2 -3 4 -6 5 -9 -7 11 6 blend
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rrcurveto
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113 -366 90 25 -40 -30 50 -56 92 3 blend
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0 -221 656 -15 25 4 -6 2 blend
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0 -221 656 -96 -15 25 4 -6 68 -112 3 blend
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0 -221 -656 -15 25 -4 6 2 blend
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rlineto
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-96 68 -112 1 blend
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hlineto
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-104 -457 -30 49 33 -55 2 blend
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117 199 -15 24 37 -61 2 blend
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rmoveto
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301 68 -301 -8 15 -40 65 8 -15 3 blend
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301 68 -301 -68 -8 15 -40 65 8 -15 40 -65 4 blend
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hlineto
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</CharString>
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<CharString name="T">
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258 26 -44 1 blend
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hmoveto
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84 585 217 71 -518 -71 217 -52 88 47 -79 17 -30 -43 73 18 -28 43 -73 17 -30 7 blend
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84 585 217 71 -518 -71 217 -585 -52 88 47 -79 17 -30 -43 73 18 -28 43 -73 17 -30 -47 79 8 blend
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hlineto
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</CharString>
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<CharString name="dollar">
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304 7 -12 1 blend
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34 rmoveto
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125 86 65 96 -22 38 2 -3 -9 15 -2 4 4 blend
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hvcurveto
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183 -324 -21 110 1 -1 -14 22 -11 17 32 -54 4 blend
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vvcurveto
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50 42 32 67 68 36 -21 -36 47 18 -29 15 -24 12 -21 18 -31 8 -13 -2 3 -3 5 -2 4 -3 5 9 blend
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vhcurveto
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44 49 -24 40 -29 49 2 blend
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rlineto
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44 -46 -54 33 -89 -6 8 5 -7 9 -15 -1 3 4 -8 5 blend
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hhcurveto
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-115 -81 -59 -94 16 -26 3 -7 5 -9 6 -10 4 blend
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hvcurveto
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-174 324 22 -124 8 -14 14 -22 6 -10 -32 56 4 blend
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vvcurveto
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-51 -42 -35 -78 -76 -62 31 37 -52 -19 31 -14 23 -15 25 -25 41 -9 15 -4 7 7 -11 -3 3 12 -20 9 blend
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vhcurveto
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-39 -58 73 -26 73 -26 73 -27 21 -35 36 -58 -28 -8 -12 -28 0 28 -14 -2 18 -3 27 27 8 blend
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rlinecurve
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-24 566 6 -21 0 -34 2 blend
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248 35 -3 12 -28 4 2 blend
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rmoveto
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56 -26 56 1 blend
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hlineto
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50 0 9 1 blend
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0 50 50 0 9 0 10 2 blend
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-39 -45 5 18 -46 -26 -26 6 17 10 6 32 6 0 -3 5 blend
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hvcurveto
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53 -36 -17 76 -17 36 -12 -17 -11 2 24 13 4 blend
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rlineto
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53 -12 -22 13 -24 -37 -1 8 3 10 0 -9 5 13 -19 5 blend
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hhcurveto
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-22 -14 -11 -20 -9 8 -4 6 -13 4 -3 6 -18 8 -5 5 blend
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hvcurveto
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-87 4 81 -59 107 2 -3 20 -4 -20 -10 8 5 0 32 5 blend
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hhcurveto
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136 82 76 107 82 -41 65 -135 47 -45 27 8 17 -23 8 4 10 -12 16 15 -17 1 3 1 -7 10 -2 9 blend
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hvcurveto
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-38 13 19 5 -5 -3 2 blend
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rlineto
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-71 23 -40 35 64 -22 -1 16 -1 -2 16 14 -11 4 -15 5 blend
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vvcurveto
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-56 26 -56 1 blend
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hlineto
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-50 0 -9 1 blend
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0 -50 -50 0 -9 0 -10 2 blend
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75 57 37 74 30 36 -5 -17 42 16 -14 3 -10 11 -14 14 -7 26 12 -1 -9 -9 1 -33 -7 2 10 9 blend
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vhcurveto
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-52 36 17 -76 14 -33 11 11 11 -7 -24 9 4 blend
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rlineto
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-52 12 25 -14 22 37 -23 -6 -1 -15 12 9 0 -11 17 5 blend
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hhcurveto
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19 17 10 21 8 -5 7 -9 12 -3 5 -7 20 -7 -3 5 blend
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hvcurveto
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86 -6 -80 60 -101 2 2 -18 -2 13 4 -12 -12 17 -20 5 blend
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hhcurveto
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-115 -83 -80 -102 -100 62 -54 105 -37 23 -43 1 -2 29 0 -6 -13 20 7 -17 4 1 -15 -13 16 -5 -2 9 blend
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hvcurveto
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37 -13 0 -5 -4 2 2 blend
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rlineto
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85 -30 36 -30 -63 29 -5 -22 2 -10 -13 -16 11 -2 10 5 blend
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vvcurveto
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-562 0 102 1 blend
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vmoveto
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-148 56 148 0 -68 -26 56 0 68 3 blend
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-74 -53 -42 -82 -18 19 -12 10 -12 3 -8 10 4 blend
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vhcurveto
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31 287 -13 33 40 -12 2 blend
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rmoveto
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428 -40 -428 40 0 -11 18 -31 0 11 -18 31 4 blend
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vlineto
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-41 -437 19 -38 -12 8 2 blend
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rmoveto
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40 437 -40 -437 -18 31 12 -8 18 -31 -12 8 4 blend
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hlineto
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</CharString>
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<CharString name="glyph00003">
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304 7 -12 1 blend
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@ -219,7 +222,7 @@
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hhcurveto
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-51 -147 -19 32 1 -3 2 blend
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rmoveto
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159 857 -56 7 -159 -858 -1 1 3 -3 26 -44 -3 5 1 -1 -2 4 6 blend
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159 857 -56 7 -159 -858 56 -6 -1 1 3 -3 26 -44 -3 5 1 -1 -2 4 -26 44 2 -6 8 blend
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rlineto
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</CharString>
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</CharStrings>
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