本文整理匯總了Python中cairocffi.PSSurface方法的典型用法代碼示例。如果您正苦於以下問題：Python cairocffi.PSSurface方法的具體用法？Python cairocffi.PSSurface怎麽用？Python cairocffi.PSSurface使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類cairocffi的用法示例。
在下文中一共展示了cairocffi.PSSurface方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: _save
# 需要導入模塊: import cairocffi [as 別名]
# 或者: from cairocffi import PSSurface [as 別名]
def _save(self, fo, fmt, **kwargs):
# save PDF/PS/SVG
orientation = kwargs.get('orientation', 'portrait')
dpi = 72
self.figure.dpi = dpi
w_in, h_in = self.figure.get_size_inches()
width_in_points, height_in_points = w_in * dpi, h_in * dpi
if orientation == 'landscape':
width_in_points, height_in_points = (
height_in_points, width_in_points)
if fmt == 'ps':
if not hasattr(cairo, 'PSSurface'):
raise RuntimeError('cairo has not been compiled with PS '
'support enabled')
surface = cairo.PSSurface(fo, width_in_points, height_in_points)
elif fmt == 'pdf':
if not hasattr(cairo, 'PDFSurface'):
raise RuntimeError('cairo has not been compiled with PDF '
'support enabled')
surface = cairo.PDFSurface(fo, width_in_points, height_in_points)
elif fmt in ('svg', 'svgz'):
if not hasattr(cairo, 'SVGSurface'):
raise RuntimeError('cairo has not been compiled with SVG '
'support enabled')
if fmt == 'svgz':
if isinstance(fo, str):
fo = gzip.GzipFile(fo, 'wb')
else:
fo = gzip.GzipFile(None, 'wb', fileobj=fo)
surface = cairo.SVGSurface(fo, width_in_points, height_in_points)
else:
raise ValueError("Unknown format: {!r}".format(fmt))
# surface.set_dpi() can be used
renderer = RendererCairo(self.figure.dpi)
renderer.set_width_height(width_in_points, height_in_points)
renderer.set_ctx_from_surface(surface)
ctx = renderer.gc.ctx
if orientation == 'landscape':
ctx.rotate(np.pi / 2)
ctx.translate(0, -height_in_points)
# Perhaps add an '%%Orientation: Landscape' comment?
self.figure.draw(renderer)
ctx.show_page()
surface.finish()
if fmt == 'svgz':
fo.close() 示例2: _save
# 需要導入模塊: import cairocffi [as 別名]
# 或者: from cairocffi import PSSurface [as 別名]
def _save(self, fo, fmt, **kwargs):
# save PDF/PS/SVG
orientation = kwargs.get('orientation', 'portrait')
dpi = 72
self.figure.dpi = dpi
w_in, h_in = self.figure.get_size_inches()
width_in_points, height_in_points = w_in * dpi, h_in * dpi
if orientation == 'landscape':
width_in_points, height_in_points = (
height_in_points, width_in_points)
if fmt == 'ps':
if not hasattr(cairo, 'PSSurface'):
raise RuntimeError('cairo has not been compiled with PS '
'support enabled')
surface = cairo.PSSurface(fo, width_in_points, height_in_points)
elif fmt == 'pdf':
if not hasattr(cairo, 'PDFSurface'):
raise RuntimeError('cairo has not been compiled with PDF '
'support enabled')
surface = cairo.PDFSurface(fo, width_in_points, height_in_points)
elif fmt in ('svg', 'svgz'):
if not hasattr(cairo, 'SVGSurface'):
raise RuntimeError('cairo has not been compiled with SVG '
'support enabled')
if fmt == 'svgz':
if isinstance(fo, str):
fo = gzip.GzipFile(fo, 'wb')
else:
fo = gzip.GzipFile(None, 'wb', fileobj=fo)
surface = cairo.SVGSurface(fo, width_in_points, height_in_points)
else:
warnings.warn("unknown format: %s" % fmt, stacklevel=2)
return
# surface.set_dpi() can be used
renderer = RendererCairo(self.figure.dpi)
renderer.set_width_height(width_in_points, height_in_points)
renderer.set_ctx_from_surface(surface)
ctx = renderer.gc.ctx
if orientation == 'landscape':
ctx.rotate(np.pi / 2)
ctx.translate(0, -height_in_points)
# Perhaps add an '%%Orientation: Landscape' comment?
self.figure.draw(renderer)
ctx.show_page()
surface.finish()
if fmt == 'svgz':
fo.close() 示例3: _save
# 需要導入模塊: import cairocffi [as 別名]
# 或者: from cairocffi import PSSurface [as 別名]
def _save(self, fo, fmt, **kwargs):
# save PDF/PS/SVG
orientation = kwargs.get('orientation', 'portrait')
dpi = 72
self.figure.dpi = dpi
w_in, h_in = self.figure.get_size_inches()
width_in_points, height_in_points = w_in * dpi, h_in * dpi
if orientation == 'landscape':
width_in_points, height_in_points = (
height_in_points, width_in_points)
if fmt == 'ps':
if not hasattr(cairo, 'PSSurface'):
raise RuntimeError('cairo has not been compiled with PS '
'support enabled')
surface = cairo.PSSurface(fo, width_in_points, height_in_points)
elif fmt == 'pdf':
if not hasattr(cairo, 'PDFSurface'):
raise RuntimeError('cairo has not been compiled with PDF '
'support enabled')
surface = cairo.PDFSurface(fo, width_in_points, height_in_points)
elif fmt in ('svg', 'svgz'):
if not hasattr(cairo, 'SVGSurface'):
raise RuntimeError('cairo has not been compiled with SVG '
'support enabled')
if fmt == 'svgz':
if isinstance(fo, six.string_types):
fo = gzip.GzipFile(fo, 'wb')
else:
fo = gzip.GzipFile(None, 'wb', fileobj=fo)
surface = cairo.SVGSurface(fo, width_in_points, height_in_points)
else:
warnings.warn("unknown format: %s" % fmt)
return
# surface.set_dpi() can be used
renderer = RendererCairo(self.figure.dpi)
renderer.set_width_height(width_in_points, height_in_points)
renderer.set_ctx_from_surface(surface)
ctx = renderer.gc.ctx
if orientation == 'landscape':
ctx.rotate(np.pi / 2)
ctx.translate(0, -height_in_points)
# Perhaps add an '%%Orientation: Landscape' comment?
self.figure.draw(renderer)
ctx.show_page()
surface.finish()
if fmt == 'svgz':
fo.close()