def get_surface_for_pixbuf(widget: Gtk.Widget, pixbuf: Optional[GdkPixbuf.Pixbuf])\
-> Optional[cairo.Surface]:
""":returns: a cairo surface, if possible"""
if not pixbuf:
return None
scale_factor = widget.get_scale_factor()
return Gdk.cairo_surface_create_from_pixbuf(pixbuf, scale_factor,
widget.get_window())
def append_to_snapshot(cmd: lib.Command,
snapshot: Gtk.Snapshot, x, y,
widget: Gtk.Widget, colors: lib.icon.CommandColorScheme,
code: lib.CodeBuffer = None) -> int:
defin: lib.CommandDefinition = cmd.definition
bg, fg = colors[defin.color]
# Extend the width of the icon for icons with data
data_layout, icon_width = _create_data_layout(cmd, widget)
area = Graphene.Rect.init(
Graphene.Rect(), x, y, icon_width * icon.WIDTH, icon.HEIGHT)
# Background
snapshot.append_color(bg, area)
# Foreground icon
if not (defin.data_only and cmd.data):
if icon_width > 1:
icon_area = Graphene.Rect.init(
Graphene.Rect(), x + (icon_width - 1) * icon.WIDTH / 2, y,
icon.WIDTH, icon.HEIGHT)
else:
icon_area = area
defin.icon.snapshot(snapshot, icon_area, fg, widget.get_scale_factor())
# Data
if cmd.data and defin.show_data:
if defin.id == 'img' and code is not None:
texture = code.get_command_data_preview(cmd)
if texture is not None:
t_scale = max(
1,
texture.get_width() / area.get_width(),
texture.get_height() / area.get_height())
ta_width = texture.get_width() / t_scale
ta_height = texture.get_height() / t_scale
t_area = Graphene.Rect.init(
Graphene.Rect(),
area.get_x() + area.get_width() / 2 - ta_width / 2,
area.get_y() + area.get_height() / 2 - ta_height / 2,
ta_width, ta_height)
snapshot.append_texture(texture, t_area)
if defin.id == 'color':
data_color = utils.rgba(f'rgb({cmd.data})')
layout = widget.create_pango_layout('⬤')
_append_layout(
snapshot, layout, icon.FONT_NORMAL, data_color, area)
if data_layout:
_append_layout(
snapshot, data_layout, None, fg, area,
0 if defin.data_only else 5)
return icon_width
