def __init__(self, width, height, start_year, end_year, border, space):
"""Setup the graph with basic preset values."""
if 'self.surface' in locals():
self.surface = cairo.Surface()
self.ctx = cairo.Context(self.surface)
self.ctx.scale(width, width)
self.user_space_dim = self.ctx.device_to_user(width, height)
self.ctx.rectangle(border, border, 1 - border,
self.user_space_dim[1] - border)
self.ctx.clip()
self.start_year = start_year
self.end_year = end_year
self.border = border
self.space = space
# Variable for storing rectangles of space that is already used
self.used_space = []
def test_surface():
# TypeError: The Surface type cannot be instantiated
with pytest.raises(TypeError):
cairo.Surface()
f, w, h = cairo.FORMAT_ARGB32, 100, 100
s = cairo.ImageSurface(f, w, h)
assert s.get_format() == f
assert s.get_width() == w
assert s.get_height() == h
f, w, h = tfi.TemporaryFile(mode='w+b'), 100, 100
s = cairo.PDFSurface(f, w, h)
f, w, h = tfi.TemporaryFile(mode='w+b'), 100, 100
s = cairo.PSSurface(f, w, h)
s = cairo.RecordingSurface(cairo.CONTENT_COLOR, None)
s = cairo.RecordingSurface(cairo.CONTENT_COLOR, (1, 1, 10, 10))
f, w, h = tfi.TemporaryFile(mode='w+b'), 100, 100
s = cairo.SVGSurface(f, w, h)
def exportMapAs(self, filepath, fileType=".svg"): ''' This method is similar to update_ownUI only that it exports a file it makes a surface as svg instead of wx.dc ''' # create new surface: fo = file(filepath, 'w') width, height = 1000,1000 # set to 1000x1000, can be anything if fileType==".svg": surface = cairo.SVGSurface (fo, width, height) elif fileType==".png": # does not work yet! surface = cairo.Surface (fo, width, height) else: return False ctx = cairo.Context (surface) self.DrawCairo(ctx, (width,height) ) surface.finish() self.update_ownUI() return True
def __new__(cls, *args, **kwargs):
import cairo
return cairo.Surface(*args, **kwargs)