def _layer_preview_pixbuf_datafunc(self, column, cell, model, it, data):
"""Render layer preview icons and type info."""
# Get the layer's thumbnail
layer = model.get_layer(it=it)
thumb = layer.thumbnail
# Scale it to a reasonable size for use as the preview.
s = self._datafunc_get_pixbuf_height(32, column)
preview = make_preview(thumb, s)
cell.set_property("pixbuf", preview)
# Add a watermark icon for non-painting layers.
# Not completely sure this is a good idea...
try:
cache = self.__icon_cache
except AttributeError:
cache = {}
self.__icon_cache = cache
icon_name = layer.get_icon_name()
icon_size = 16
icon_size += 2 # allow fopr the outline
icon = cache.get(icon_name, None)
if not icon:
icon = gui.drawutils.load_symbolic_icon(
icon_name,
icon_size,
fg=(1, 1, 1, 1),
outline=(0, 0, 0, 1),
)
cache[icon_name] = icon
# Composite the watermark over the preview
x = (preview.get_width() - icon_size) // 2
y = (preview.get_height() - icon_size) // 2
icon.composite(
dest=preview,
dest_x=x,
dest_y=y,
dest_width=icon_size,
dest_height=icon_size,
offset_x=x,
offset_y=y,
scale_x=1,
scale_y=1,
interp_type=GdkPixbuf.InterpType.NEAREST,
overall_alpha=255 / 6,
)
def _layer_preview_pixbuf_datafunc(self, column, cell, model, it, data):
"""Render layer preview icons and type info."""
# Get the layer's thumbnail
layer = model.get_layer(it=it)
thumb = layer.thumbnail
# Scale it to a reasonable size for use as the preview.
s = self._datafunc_get_pixbuf_height(32, column)
preview = make_preview(thumb, s)
cell.set_property("pixbuf", preview)
# Add a watermark icon for non-painting layers.
# Not completely sure this is a good idea...
try:
cache = self.__icon_cache
except AttributeError:
cache = {}
self.__icon_cache = cache
icon_name = layer.get_icon_name()
icon_size = 16
icon_size += 2 # allow fopr the outline
icon = cache.get(icon_name, None)
if not icon:
icon = gui.drawutils.load_symbolic_icon(
icon_name, icon_size,
fg=(1, 1, 1, 1),
outline=(0, 0, 0, 1),
)
cache[icon_name] = icon
# Composite the watermark over the preview
x = (preview.get_width() - icon_size) // 2
y = (preview.get_height() - icon_size) // 2
icon.composite(
dest=preview,
dest_x=x,
dest_y=y,
dest_width=icon_size,
dest_height=icon_size,
offset_x=x,
offset_y=y,
scale_x=1,
scale_y=1,
interp_type=GdkPixbuf.InterpType.NEAREST,
overall_alpha=255/6,
)