def parse(dxf_file, segarc, new_origin=True):
font = Font()
DXF_source = " "
dxf_import = DXF_CLASS()
dxf_import.GET_DXF_DATA(dxf_file, tol_deg=segarc)
dxfcoords = dxf_import.DXF_COORDS_GET(new_origin)
if "POTRACE" in dxf_import.comment.upper():
DXF_source = "POTRACE"
if "INKSCAPE" in dxf_import.comment.upper():
DXF_source = "INKSCAPE"
# save the character to our dictionary
key = ord("F")
stroke_list = []
bbox = BoundingBox()
for line in dxfcoords:
line = Line(line[0:4])
stroke_list.append(line)
bbox.extend(line)
font.add_character(Character(key, stroke_list))
return font, DXF_source
def get_char_bbox_used(self, string):
bbox = BoundingBox()
for char in string:
bbox.extend(self[ord(char)])
return bbox
def get_char_bbox_used(self, string):
bbox = BoundingBox()
for char in string:
bbox.extend(self[ord(char)])
return bbox
def parse(dxf_file, segarc, new_origin=True):
font = Font()
DXF_source = " "
dxf_import = DXF_CLASS()
dxf_import.GET_DXF_DATA(dxf_file, tol_deg=segarc)
dxfcoords = dxf_import.DXF_COORDS_GET(new_origin)
if "POTRACE" in dxf_import.comment.upper():
DXF_source = "POTRACE"
if "INKSCAPE" in dxf_import.comment.upper():
DXF_source = "INKSCAPE"
# save the character to our dictionary
key = ord("F")
stroke_list = []
bbox = BoundingBox()
for line in dxfcoords:
line = Line(line[0:4])
stroke_list.append(line)
bbox.extend(line)
font.add_character(Character(key, stroke_list))
return font, DXF_source
class Font(object):
"""
The complete characterset of a font
"""
def __init__(self):
self.characters = {}
self.bbox = BoundingBox()
def __len__(self):
return len(self.characters)
def __getitem__(self, key):
# Space or Linefeed
if key in (32, 10):
return Character(' ', [])
try:
return self.characters[key]
except: # return a question mark for chars missing in this characterset
return self.characters[63]
def __iter__(self):
for char in self.characters:
yield char
def add_character(self, char):
self.characters[char.key] = char
self.bbox.extend(char.bounds())
def get_char_bbox_used(self, string):
bbox = BoundingBox()
for char in string:
bbox.extend(self[ord(char)])
return bbox
def get_character_width(self):
return max(self.characters[key].get_xmax() for key in self.characters)
def line_height(self):
return self.bbox.ymax
def line_depth(self):
return self.bbox.ymin
def test_extend_with_lines(self):
bbox = BoundingBox()
with open('tests/files/lines.csv', 'r') as csvfile:
lines = [map(float, line) for line in csv.reader(csvfile, delimiter=',')]
minx, maxx, miny, maxy = (INFINITY, -INFINITY, INFINITY, -INFINITY)
for line in lines:
bbox.extend(Line(map(float, line)))
minx = min(minx, line[0], line[2])
maxx = max(maxx, line[0], line[2])
miny = min(miny, line[1], line[3])
maxy = max(maxy, line[1], line[3])
self.assertEquals(str(bbox), str(BoundingBox(minx, maxx, miny, maxy)))
class Font(object):
"""
The complete characterset of a font
"""
def __init__(self):
self.characters = {}
self.bbox = BoundingBox()
def __len__(self):
return len(self.characters)
def __getitem__(self, key):
# Space or Linefeed
if key in (32, 10):
return Character(' ', [])
try:
return self.characters[key]
except: # return a question mark for chars missing in this characterset
return self.characters[63]
def __iter__(self):
for char in self.characters:
yield char
def add_character(self, char):
self.characters[char.key] = char
self.bbox.extend(char.bounds())
def get_char_bbox_used(self, string):
bbox = BoundingBox()
for char in string:
bbox.extend(self[ord(char)])
return bbox
def get_character_width(self):
return max(self.characters[key].get_xmax() for key in self.characters)
def line_height(self):
return self.bbox.ymax
def line_depth(self):
return self.bbox.ymin
def test_extend_with_lines(self):
bbox = BoundingBox()
with open('tests/files/lines.csv', 'r') as csvfile:
csv_file = csv.reader(csvfile, delimiter=',')
lines = [list(map(float, line)) for line in csv_file]
minx, maxx, miny, maxy = (INFINITY, -INFINITY, INFINITY, -INFINITY)
for line in lines:
bbox.extend(Line(map(float, line)))
minx = min(minx, line[0], line[2])
maxx = max(maxx, line[0], line[2])
miny = min(miny, line[1], line[3])
maxy = max(maxy, line[1], line[3])
self.assertEquals(str(bbox), str(BoundingBox(minx, maxx, miny, maxy)))
def test_extend_with_line(self):
bbox = BoundingBox(0, 0, 0, 0)
bbox.extend(Line((0, 0, 100, 100)))
self.assertEquals(bbox, BoundingBox(0, 100, 0, 100))
def test_extend_with_bbox(self):
bbox = BoundingBox()
bbox.extend(BoundingBox(0, 1.0, 2, 4))
bbox.extend(BoundingBox(1, 4, 8, 100))
self.assertEquals(bbox, BoundingBox(0.0, 4, 2, 100))
def test_extend_with_line(self):
bbox = BoundingBox(0, 0, 0, 0)
bbox.extend(Line((0, 0, 100, 100)))
self.assertEquals(bbox, BoundingBox(0, 100, 0, 100))
def test_extend_with_bbox(self):
bbox = BoundingBox()
bbox.extend(BoundingBox(0, 1.0, 2, 4))
bbox.extend(BoundingBox(1, 4, 8, 100))
self.assertEquals(bbox, BoundingBox(0.0, 4, 2, 100))
