Viewing file:  screenSizePreview.py (3.43 KB) -rwxr-xr-x
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
## screenSizePreview.py - code to do the screenshot preview
## Copyright (C) 2001-2003 Red Hat, Inc.
## 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 2 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, write to the Free Software
## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
import gtk
TRUE = 1
FALSE = 0
class ScreenSizePreview:
max_width = 1600
max_height = 1200
def screen_expose(self, widget, event):
gc = widget.window.new_gc()
gc.set_rgb_fg_color(widget.style.black)
widget.window.draw_rectangle(gc, TRUE, 0,0, self.widget_width, self.widget_height)
widget.window.draw_pixbuf (None, self.screenshot,
0, 0,
(self.widget_width - self.screenshot.get_width())/2,
(self.widget_height - self.screenshot.get_height())/2,
self.screenshot.get_width(), self.screenshot.get_height(),
gtk.gdk.RGB_DITHER_MAX, 0, 0)
w = self.res_x * self.widget_width / self.max_width - 1
h = self.res_y * self.widget_height / self.max_height - 1
widget.window.draw_rectangle(self.gc, FALSE,
(self.widget_width - w)/2,
(self.widget_height - h)/2,
w,h)
def realize(self, widget):
self.gc = widget.window.new_gc()
self.gc.set_background(widget.get_style().white)
self.gc.set_foreground(widget.get_style().black)
self.gc.set_line_attributes(0, gtk.gdk.LINE_DOUBLE_DASH,
gtk.gdk.CAP_BUTT, gtk.gdk.JOIN_MITER)
def __init__(self, widget, widget_width, widget_height):
self.widget_width = widget_width
self.widget_height = widget_height
self.widget = None
screenshot = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, FALSE, 8,
gtk.gdk.screen_width(), gtk.gdk.screen_height())
screenshot.get_from_drawable(gtk.gdk.get_default_root_window(),
gtk.gdk.colormap_get_system(),
0, 0, 0, 0,
gtk.gdk.screen_width(), gtk.gdk.screen_height())
self.screenshot = screenshot.scale_simple(gtk.gdk.screen_width() * widget_width / self.max_width,
gtk.gdk.screen_height() * widget_height / self.max_height,
gtk.gdk.INTERP_BILINEAR)
self.connect_to(widget)
def set_resolution(self, res_x, res_y):
self.res_x = res_x
self.res_y = res_y
if self.widget != None:
self.widget.queue_draw()
def connect_to(self, widget):
self.widget = widget
widget.connect("expose_event", self.screen_expose)
widget.connect_after("realize", self.realize)
|