本文整理匯總了Python中pangocairo.context_set_font_options方法的典型用法代碼示例。如果您正苦於以下問題：Python pangocairo.context_set_font_options方法的具體用法？Python pangocairo.context_set_font_options怎麽用？Python pangocairo.context_set_font_options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pangocairo的用法示例。
在下文中一共展示了pangocairo.context_set_font_options方法的4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: draw_text
# 需要導入模塊: import pangocairo [as 別名]
# 或者: from pangocairo import context_set_font_options [as 別名]
def draw_text(x, y, text, font, text_color, spacing, c):
c.save()
c.set_source_rgba(*rgb_to_cairo(text_color))
font = cairo_font(font)
c.translate(x, y)
if use_pygobject:
status, attrs, plain_text, _ = pango.parse_markup(text, len(text), '\0')
layout = pangocairo.create_layout(c)
pctx = layout.get_context()
fo = cairo.FontOptions()
fo.set_antialias(cairo.ANTIALIAS_SUBPIXEL)
pangocairo.context_set_font_options(pctx, fo)
layout.set_font_description(font)
layout.set_spacing(spacing * pango.SCALE)
layout.set_text(plain_text, len(plain_text))
layout.set_attributes(attrs)
pangocairo.update_layout(c, layout)
pangocairo.show_layout(c, layout)
else: # pyGtk
attrs, plain_text, _ = pango.parse_markup(text)
pctx = pangocairo.CairoContext(c)
pctx.set_antialias(cairo.ANTIALIAS_SUBPIXEL)
layout = pctx.create_layout()
layout.set_font_description(font)
layout.set_spacing(spacing * pango.SCALE)
layout.set_text(plain_text)
layout.set_attributes(attrs)
pctx.update_layout(layout)
pctx.show_layout(layout)
c.restore() 示例2: cairo_text_bbox
# 需要導入模塊: import pangocairo [as 別名]
# 或者: from pangocairo import context_set_font_options [as 別名]
def cairo_text_bbox(text, font_params, scale=1.0):
surf = cairo.ImageSurface(cairo.FORMAT_ARGB32, 8, 8)
ctx = cairo.Context(surf)
# The scaling must match the final context.
# If not there can be a mismatch between the computed extents here
# and those generated for the final render.
ctx.scale(scale, scale)
font = cairo_font(font_params)
if use_pygobject:
layout = pangocairo.create_layout(ctx)
pctx = layout.get_context()
fo = cairo.FontOptions()
fo.set_antialias(cairo.ANTIALIAS_SUBPIXEL)
pangocairo.context_set_font_options(pctx, fo)
layout.set_font_description(font)
layout.set_text(text, len(text))
re = layout.get_pixel_extents()[1]
extents = (re.x, re.y, re.x + re.width, re.y + re.height)
else: # pyGtk
pctx = pangocairo.CairoContext(ctx)
pctx.set_antialias(cairo.ANTIALIAS_SUBPIXEL)
layout = pctx.create_layout()
layout.set_font_description(font)
layout.set_text(text)
#print('@@ EXTENTS:', layout.get_pixel_extents()[1])
extents = layout.get_pixel_extents()[1]
w = extents[2] - extents[0]
h = extents[3] - extents[1]
x0 = - w // 2.0
y0 = - h // 2.0
return [x0,y0, x0+w,y0+h] 示例3: cairo_draw_text
# 需要導入模塊: import pangocairo [as 別名]
# 或者: from pangocairo import context_set_font_options [as 別名]
def cairo_draw_text(x, y, text, font, text_color, c):
c.save()
#print('## TEXT COLOR:', text_color)
c.set_source_rgba(*rgb_to_cairo(text_color))
font = cairo_font(font)
c.translate(x, y)
if use_pygobject:
layout = pangocairo.create_layout(c)
pctx = layout.get_context()
fo = cairo.FontOptions()
fo.set_antialias(cairo.ANTIALIAS_SUBPIXEL)
pangocairo.context_set_font_options(pctx, fo)
layout.set_font_description(font)
layout.set_text(text, len(text))
pangocairo.update_layout(c, layout)
pangocairo.show_layout(c, layout)
else: # pyGtk
pctx = pangocairo.CairoContext(c)
pctx.set_antialias(cairo.ANTIALIAS_SUBPIXEL)
layout = pctx.create_layout()
layout.set_font_description(font)
layout.set_text(text)
pctx.update_layout(layout)
pctx.show_layout(layout)
c.restore() 示例4: cairo_text_bbox
# 需要導入模塊: import pangocairo [as 別名]
# 或者: from pangocairo import context_set_font_options [as 別名]
def cairo_text_bbox(text, font_params, spacing=0, scale=1.0):
surf = cairo.ImageSurface(cairo.FORMAT_ARGB32, 8, 8)
ctx = cairo.Context(surf)
# The scaling must match the final context.
# If not there can be a mismatch between the computed extents here
# and those generated for the final render.
ctx.scale(scale, scale)
font = cairo_font(font_params)
if use_pygobject:
status, attrs, plain_text, _ = pango.parse_markup(text, len(text), '\0')
layout = pangocairo.create_layout(ctx)
pctx = layout.get_context()
fo = cairo.FontOptions()
fo.set_antialias(cairo.ANTIALIAS_SUBPIXEL)
pangocairo.context_set_font_options(pctx, fo)
layout.set_font_description(font)
layout.set_spacing(spacing * pango.SCALE)
layout.set_text(plain_text, len(plain_text))
layout.set_attributes(attrs)
li = layout.get_iter() # Get first line of text
baseline = li.get_baseline() / pango.SCALE
re = layout.get_pixel_extents()[1] # Get logical extents
extents = (re.x, re.y, re.x + re.width, re.y + re.height)
else: # pyGtk
attrs, plain_text, _ = pango.parse_markup(text)
pctx = pangocairo.CairoContext(ctx)
pctx.set_antialias(cairo.ANTIALIAS_SUBPIXEL)
layout = pctx.create_layout()
layout.set_font_description(font)
layout.set_spacing(spacing * pango.SCALE)
layout.set_text(plain_text)
layout.set_attributes(attrs)
li = layout.get_iter() # Get first line of text
baseline = li.get_baseline() / pango.SCALE
#print('@@ EXTENTS:', layout.get_pixel_extents()[1], spacing)
extents = layout.get_pixel_extents()[1] # Get logical extents
return [extents[0], extents[1], extents[2], extents[3], baseline]