def symbol_icon(symbol, color=None):
bm = QtGui.QBitmap(icon_path(POINT_ICONS.get(symbol, 'glue_circle')))
if color is not None:
return QtGui.QIcon(tint_pixmap(bm, color))
return QtGui.QIcon(bm)
def layer_artist_icon(artist):
"""Create a QtGui.QIcon for a LayerArtist instance"""
# TODO: need a test for this
from glue.viewers.image.layer_artist import ImageLayerArtist
if not artist.enabled:
bm = QtGui.QBitmap(icon_path('glue_delete'))
elif isinstance(artist, ImageLayerArtist):
bm = QtGui.QBitmap(icon_path('glue_image'))
else:
bm = QtGui.QBitmap(icon_path(POINT_ICONS.get(artist.layer.style.marker,
'glue_circle_point')))
color = mpl_to_qt4_color(artist.layer.style.color)
pm = tint_pixmap(bm, color)
return QtGui.QIcon(pm)
def layer_artist_icon(artist):
"""Create a QtGui.QIcon for a LayerArtist instance"""
# TODO: need a test for this
from glue.viewers.scatter.layer_artist import ScatterLayerArtist
color = artist.get_layer_color()
if isinstance(color, Colormap):
pm = cmap2pixmap(color)
else:
if isinstance(artist, ScatterLayerArtist):
bm = QtGui.QBitmap(icon_path(POINT_ICONS.get(artist.layer.style.marker,
'glue_circle_point')))
else:
bm = QtGui.QBitmap(icon_path('glue_box_point'))
color = mpl_to_qt_color(color)
pm = tint_pixmap(bm, color)
return QtGui.QIcon(pm)
def crosshair_cursor():
if os.name == 'nt':
# On windows, cursors support "inversion" mode, where they invert the
# underlying color. This is achived with two bitmap.
# Final cursor has mask all 0
# When main bitmap is 0, this means transparent, when 1, inversion.
bm = QtGui.QBitmap(16, 16)
ma = QtGui.QBitmap(16, 16)
bm.clear()
ma.clear()
# Paint a crosshair on the main bitmap with color1.
pbm = QtGui.QPainter(bm)
pbm.setPen(QtCore.Qt.color1)
pbm.drawLine(8, 0, 8, 15)
pbm.drawLine(0, 8, 15, 8)
pbm.setPen(QtCore.Qt.color0)
pbm.drawPoint(8, 8)
pbm.end()
return QtGui.QCursor(bm, ma, 8, 8)
else:
fn = os.path.dirname(__file__) + '/images/picker.svg'
return load_cursor(fn, 8, 8)
def layer_icon(layer):
"""Create a QtGui.QIcon for a Data or Subset instance
:type layer: :class:`~glue.core.data.Data`,
:class:`~glue.core.subset.Subset`,
or object with a .style attribute
:rtype: QtGui.QIcon
"""
icon = POINT_ICONS.get(layer.style.marker, 'circle_point')
bm = QtGui.QBitmap(icon_path(icon))
color = mpl_to_qt4_color(layer.style.color)
pm = tint_pixmap(bm, color)
return QtGui.QIcon(pm)