本文整理汇总了Python中cairo.Context.set_font_face方法的典型用法代码示例。如果您正苦于以下问题：Python Context.set_font_face方法的具体用法？Python Context.set_font_face怎么用？Python Context.set_font_face使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类cairo.Context的用法示例。
在下文中一共展示了Context.set_font_face方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
# 需要导入模块: from cairo import Context [as 别名]
# 或者: from cairo.Context import set_font_face [as 别名]
#.........这里部分代码省略.........
self.stack.append(self.affine.terms())
self.command('q')
def restore(self):
self.affine = Affine(*self.stack.pop())
self.command('Q')
def user_to_device(self, x, y):
user = Point(x, y)
device = self.affine(user)
return (device.x, device.y)
def device_to_user(self, x, y):
device = Point(x, y)
user = self.affine.inverse()(device)
return (user.x, user.y)
def move_to(self, x, y):
self.point = Point(x, y)
self.command('%.3f %.3f m' % (x, y))
def rel_line_to(self, x, y):
end = Point(x, y).add(self.point)
self.point = end
self.command('%.3f %.3f l' % (end.x, end.y))
def set_source_rgb(self, r, g, b):
self.command('%.3f %.3f %.3f rg' % (r, g, b))
def fill(self):
self.command('f')
def set_source_surface(self, surf, x, y):
"""
"""
dim = surf.get_width(), surf.get_height()
img = Image.fromstring('RGBA', dim, surf.get_data())
# weird channel order
blue, green, red, alpha = img.split()
img = Image.merge('RGB', (red, green, blue))
png_buf = StringIO()
img.save(png_buf, 'PNG')
jpg_buf = StringIO()
img.save(jpg_buf, 'JPEG', quality=75)
if len(jpg_buf.getvalue()) < len(png_buf.getvalue()):
method, buffer, suffix = 'raw_jpeg', jpg_buf, '.jpg'
else:
method, buffer, suffix = 'raw_png', png_buf, '.png'
handle, filename = mkstemp(prefix='cairoutils-', suffix=suffix)
self.command(method, filename)
self.garbage.append(filename)
write(handle, buffer.getvalue())
close(handle)
def paint(self):
pass
def set_line_width(self, w):
self.command('%.3f w' % w)
def set_dash(self, a):
a = ' '.join(['%.3f' % v for v in a])
self.command('[%s] 0 d' % a)
def stroke(self):
self.command('S')
def rel_curve_to(self, a, b, c, d, e, f):
p1 = Point(a, b).add(self.point)
p2 = Point(c, d).add(self.point)
p3 = Point(e, f).add(self.point)
self.point = p3
self.command('%.3f %.3f %.3f %.3f %.3f %.3f c' % (p1.x, p1.y, p2.x, p2.y, p3.x, p3.y))
def set_font_face(self, font):
self.context.set_font_face(font)
def set_font_size(self, size):
self.context.set_font_size(size)
# SetFont here because only the size gives a clue to the correct weight
self.command('SetFont', 'Liberation Sans', (size > 14) and 'B' or '')
self.command('SetFontSize', size)
def show_text(self, text):
x, y = self.point.x, self.point.y
text = text.decode('utf8')
# invert the vertical flip in self.show_page() before showing text.
self.command('q 1 0 0 -1 0 0 cm BT %.3f %.3f Td (%s) Tj ET Q' % (x, -y, text))
def text_extents(self, text):
return self.context.text_extents(text)示例2: __init__
# 需要导入模块: from cairo import Context [as 别名]
# 或者: from cairo.Context import set_font_face [as 别名]
#.........这里部分代码省略.........
def device_to_user(self, x, y):
device = Point(x, y)
user = self.affine.inverse()(device)
return (user.x, user.y)
def move_to(self, x, y):
self.point = Point(x, y)
self.command("%.3f %.3f m" % (x, y))
def line_to(self, x, y):
self.point = Point(x, y)
self.command("%.3f %.3f l" % (x, y))
def rel_move_to(self, x, y):
end = Point(x, y).add(self.point)
self.point = end
self.command("%.3f %.3f m" % (end.x, end.y))
def rel_line_to(self, x, y):
end = Point(x, y).add(self.point)
self.point = end
self.command("%.3f %.3f l" % (end.x, end.y))
def set_source_rgb(self, r, g, b):
self.command("%.3f %.3f %.3f rg" % (r, g, b))
def fill(self):
self.command("f")
def set_source_surface(self, surf, x, y):
"""
"""
dim = surf.get_width(), surf.get_height()
img = Image.fromstring("RGBA", dim, surf.get_data())
# weird channel order
blue, green, red, alpha = img.split()
img = Image.merge("RGB", (red, green, blue))
png_buf = StringIO()
img.save(png_buf, "PNG")
jpg_buf = StringIO()
img.save(jpg_buf, "JPEG", quality=75)
if len(jpg_buf.getvalue()) < len(png_buf.getvalue()):
method, buffer, suffix = "raw_jpeg", jpg_buf, ".jpg"
else:
method, buffer, suffix = "raw_png", png_buf, ".png"
handle, filename = mkstemp(prefix="cairoutils-", suffix=suffix)
self.command(method, filename)
self.garbage.append(filename)
write(handle, buffer.getvalue())
close(handle)
def paint(self):
pass
def set_line_width(self, w):
self.command("%.3f w" % w)
def set_dash(self, a):
a = " ".join(["%.3f" % v for v in a])
self.command("[%s] 0 d" % a)
def stroke(self):
self.command("S")
def rel_curve_to(self, a, b, c, d, e, f):
p1 = Point(a, b).add(self.point)
p2 = Point(c, d).add(self.point)
p3 = Point(e, f).add(self.point)
self.point = p3
self.command("%.3f %.3f %.3f %.3f %.3f %.3f c" % (p1.x, p1.y, p2.x, p2.y, p3.x, p3.y))
def set_font_face(self, font):
self.context.set_font_face(font)
def set_font_size(self, size):
self.context.set_font_size(size)
# SetFont here because only the size gives a clue to the correct weight
self.command("SetFont", "Helvetica", (size > 14) and "B" or "")
self.command("SetFontSize", size)
def show_text(self, text):
x, y = self.point.x, self.point.y
text = text.decode("utf8")
# invert the vertical flip in self.show_page() before showing text.
self.command("q 1 0 0 -1 0 0 cm BT %.3f %.3f Td (%s) Tj ET Q" % (x, -y, text))
def text_extents(self, text):
""" Width is the third element of the returned array.
"""
return self.context.text_extents(text)