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Python pangocairo.context_set_font_options方法代码示例

本文整理汇总了Python中pangocairo.context_set_font_options方法的典型用法代码示例。如果您正苦于以下问题:Python pangocairo.context_set_font_options方法的具体用法?Python pangocairo.context_set_font_options怎么用?Python pangocairo.context_set_font_options使用的例子?那么, 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pangocairo的用法示例。


在下文中一共展示了pangocairo.context_set_font_options方法的4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: draw_text

# 需要导入模块: import pangocairo [as 别名]
# 或者: from pangocairo import context_set_font_options [as 别名]
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() 
开发者ID:kevinpt,项目名称:symbolator,代码行数:38,代码来源:cairo_backend.py

示例2: cairo_text_bbox

# 需要导入模块: import pangocairo [as 别名]
# 或者: from pangocairo import context_set_font_options [as 别名]
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] 
开发者ID:kevinpt,项目名称:syntrax,代码行数:38,代码来源:syntrax.py

示例3: cairo_draw_text

# 需要导入模块: import pangocairo [as 别名]
# 或者: from pangocairo import context_set_font_options [as 别名]
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() 
开发者ID:kevinpt,项目名称:syntrax,代码行数:31,代码来源:syntrax.py

示例4: cairo_text_bbox

# 需要导入模块: import pangocairo [as 别名]
# 或者: from pangocairo import context_set_font_options [as 别名]
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] 
开发者ID:kevinpt,项目名称:symbolator,代码行数:51,代码来源:cairo_backend.py


注:本文中的pangocairo.context_set_font_options方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。