def get_icon(image, size):
"""
Generate a GdkPixbuf image
:param image: icon name or image path
:return: GdkPixbux Image
"""
directory = path.join(env.get("DATA_DIR"), "applications", "images") + "/"
theme = Gtk.IconTheme.get_default()
if theme.has_icon(path.splitext(image)[0]):
icon = theme.load_icon(path.splitext(image)[0], size, 0)
elif path.exists(directory + image):
icon = GdkPixbuf.Pixbuf.new_from_file(directory + image)
elif path.exists(image):
icon = GdkPixbuf.Pixbuf.new_from_file(image)
else:
icon = theme.load_icon("image-missing", size, 0)
if icon.get_width() != size or icon.get_height() != size:
icon = icon.scale_simple(size, size, GdkPixbuf.InterpType.BILINEAR)
return icon
python类GdkPixbuf()的实例源码
def get_backlight(self):
subprocess.call(shlex.split(COMMAND))
pixbuf = GdkPixbuf.Pixbuf.new_from_file('/tmp/fswebcam.jpg')
image = Image.frombytes('RGB',
(pixbuf.get_width(),
pixbuf.get_height()),
pixbuf.get_pixels())
pixbuf.savev('/home/lorenzo/Escritorio/test.png', "png", [], [])
return calculation.calculate_brightness_for_image(image)
def get_icon(icon_path):
"""
Generate a GdkPixbuf image
:param image: icon name or image path
:return: GdkPixbux Image
"""
try:
if "symbolic" in icon_path:
icon = (None, icon_path)
else:
icon = GdkPixbuf.Pixbuf.new_from_file(icon_path)
if icon.get_width() != 48 or icon.get_height() != 48:
icon = icon.scale_simple(48, 48, GdkPixbuf.InterpType.BILINEAR)
return icon
except GLib.Error:
return None
def drawn(self, widget, cr):
if self._draw_image is None:
return
with self._size_lock:
img = self._draw_image
if self._show_orientation:
img = img.copy()
self._orient_scaled.composite(
img, 0, 0, img.props.width, img.props.height, 0, 0, 1, 1,
GdkPixbuf.InterpType.NEAREST, 215)
img = img.rotate_simple(self._rotation)
rect = self.get_allocation()
Gdk.cairo_set_source_pixbuf(cr, img,
(rect.width - img.props.width) // 2,
(rect.height - img.props.height) // 2)
cr.paint()
self._draw_pending.clear()
def get_about_dialog(self):
"""Create and populate the about dialog."""
about_dialog = Gtk.AboutDialog()
about_dialog.set_name(comun.APPNAME)
about_dialog.set_version(comun.VERSION)
about_dialog.set_copyright(
'Copyrignt (c) 2014-2016\nLorenzo Carbonell Cerezo')
about_dialog.set_comments(_('An indicator for Pomodoro Technique'))
about_dialog.set_license('''
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
''')
about_dialog.set_website('http://www.atareao.es')
about_dialog.set_website_label('http://www.atareao.es')
about_dialog.set_authors([
'Lorenzo Carbonell <https://launchpad.net/~lorenzo-carbonell>'])
about_dialog.set_documenters([
'Lorenzo Carbonell <https://launchpad.net/~lorenzo-carbonell>'])
about_dialog.set_translator_credits('''
Lorenzo Carbonell <https://launchpad.net/~lorenzo-carbonell>\n
''')
about_dialog.set_icon(GdkPixbuf.Pixbuf.new_from_file(comun.ICON))
about_dialog.set_logo(GdkPixbuf.Pixbuf.new_from_file(comun.ICON))
about_dialog.set_program_name(comun.APPNAME)
return about_dialog
# ##################### callbacks for the menu #######################
def get_about_dialog(self):
"""Create and populate the about dialog."""
about_dialog = Gtk.AboutDialog()
about_dialog.set_name(comun.APPNAME)
about_dialog.set_version(comun.VERSION)
about_dialog.set_copyright(
'Copyrignt (c) 2016\nLorenzo Carbonell Cerezo')
about_dialog.set_comments(_('An indicator to set backlight'))
about_dialog.set_license('''
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
''')
about_dialog.set_website('http://www.atareao.es')
about_dialog.set_website_label('http://www.atareao.es')
about_dialog.set_authors([
'Lorenzo Carbonell <https://launchpad.net/~lorenzo-carbonell>'])
about_dialog.set_documenters([
'Lorenzo Carbonell <https://launchpad.net/~lorenzo-carbonell>'])
about_dialog.set_translator_credits('''
Lorenzo Carbonell <https://launchpad.net/~lorenzo-carbonell>\n
''')
about_dialog.set_icon(GdkPixbuf.Pixbuf.new_from_file(comun.ICON))
about_dialog.set_logo(GdkPixbuf.Pixbuf.new_from_file(comun.ICON))
about_dialog.set_program_name(comun.APPNAME)
return about_dialog
# ##################### callbacks for the menu #######################
def load_image(filename, format='png'):
loader = GdkPixbuf.PixbufLoader.new_with_type(format)
loader.write(pkg_resources.resource_string(__name__, filename))
loader.close()
return loader.get_pixbuf()
def resized(self, widget, rect):
with self._size_lock:
if self._rotation in (0, 180):
ratio = min(
rect.width / self._board_full.props.width,
rect.height / self._board_full.props.height)
else:
ratio = min(
rect.width / self._board_full.props.height,
rect.height / self._board_full.props.width)
ratio = min(ratio, 1.0) # never resize larger than native
if ratio != self._ratio:
# Only resize if necessary (plenty of resizes wind up with the
# same ratio)
self._board_scaled = self._board_full.scale_simple(
self._board_full.props.width * ratio,
self._board_full.props.height * ratio,
GdkPixbuf.InterpType.BILINEAR)
self._grid_scaled = self._grid_full.scale_simple(
self._grid_full.props.width * ratio,
self._grid_full.props.height * ratio,
GdkPixbuf.InterpType.BILINEAR)
self._orient_scaled = self._orient_full.scale_simple(
self._orient_full.props.width * ratio,
self._orient_full.props.height * ratio,
GdkPixbuf.InterpType.BILINEAR)
self._ratio = ratio
def _update_run(self):
# This method runs in the background _update_thread
while True:
# Only update the screen if do_draw's finished the last update;
# this effectively serves to "drop frames" if the system's too
# busy
if self._draw_pending.wait(self.screen_update_delay):
# The wait period above enforces the maximum update rate; if
# a draw is still pending, wait on the stop event instead
if self._stop.wait(self.screen_update_delay):
break
else:
# Only update if the screen's modification timestamp indicates
# that the data has changed since last time
ts = self._screen_client.timestamp
if ts > self._draw_timestamp:
with self._size_lock:
img = self._board_scaled.copy()
pixels = GdkPixbuf.Pixbuf.new_from_bytes(
GLib.Bytes.new(self._screen_client.rgb_array.tostring()),
colorspace=GdkPixbuf.Colorspace.RGB, has_alpha=False,
bits_per_sample=8, width=8, height=8, rowstride=8 * 3)
pixel_rect = Gdk.Rectangle()
pixel_rect.x = int(126 * self._ratio)
pixel_rect.y = int(155 * self._ratio)
pixel_rect.width = int(512 * self._ratio)
pixel_rect.height = pixel_rect.width
pixels.composite(
img,
pixel_rect.x, pixel_rect.y,
pixel_rect.width, pixel_rect.height,
pixel_rect.x, pixel_rect.y,
# Why 8.1? With 8.0 (which is what it should be),
# registration errors crop up at the far right (try
# it and see); no idea why 8.1 is required to
# correct them, but I'm too knackered to argue with
# Gdk any more...
pixel_rect.width / 8.1, pixel_rect.height / 8.1,
GdkPixbuf.InterpType.NEAREST, 255)
self._grid_scaled.composite(
img,
pixel_rect.x, pixel_rect.y,
pixel_rect.width, pixel_rect.height,
pixel_rect.x, pixel_rect.y,
1, 1,
GdkPixbuf.InterpType.NEAREST, 255)
self._draw_image = img
self._draw_timestamp = ts
self._draw_pending.set()
# Schedule a redraw when the app is next idle; like Gtk
# methods, Gdk methods must only be called from the main
# thread (otherwise the app locks up)
try:
GLib.idle_add(self.props.window.invalidate_rect, None, False)
except AttributeError:
# Our Gdk window has been destroyed; don't whinge, just
# exit the thread as we're obviously shutting down
break
