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Diffstat (limited to 'grc/src/platforms/gui/Utils.py')
| -rw-r--r-- | grc/src/platforms/gui/Utils.py | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/grc/src/platforms/gui/Utils.py b/grc/src/platforms/gui/Utils.py deleted file mode 100644 index ee6dc6cdc..000000000 --- a/grc/src/platforms/gui/Utils.py +++ /dev/null @@ -1,82 +0,0 @@ -""" -Copyright 2008, 2009 Free Software Foundation, Inc. -This file is part of GNU Radio - -GNU Radio Companion 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. - -GNU Radio Companion 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA -""" - -from Constants import POSSIBLE_ROTATIONS -from Cheetah.Template import Template - -def get_rotated_coordinate(coor, rotation): - """ - Rotate the coordinate by the given rotation. - @param coor the coordinate x, y tuple - @param rotation the angle in degrees - @return the rotated coordinates - """ - #handles negative angles - rotation = (rotation + 360)%360 - assert rotation in POSSIBLE_ROTATIONS - #determine the number of degrees to rotate - cos_r, sin_r = { - 0: (1, 0), - 90: (0, 1), - 180: (-1, 0), - 270: (0, -1), - }[rotation] - x, y = coor - return (x*cos_r + y*sin_r, -x*sin_r + y*cos_r) - -def get_angle_from_coordinates((x1,y1), (x2,y2)): - """ - Given two points, calculate the vector direction from point1 to point2, directions are multiples of 90 degrees. - @param (x1,y1) the coordinate of point 1 - @param (x2,y2) the coordinate of point 2 - @return the direction in degrees - """ - if y1 == y2:#0 or 180 - if x2 > x1: return 0 - else: return 180 - else:#90 or 270 - if y2 > y1: return 270 - else: return 90 - -def xml_encode(string): - """ - Encode a string into an xml safe string by replacing special characters. - Needed for gtk pango markup in labels. - @param string the input string - @return output string with safe characters - """ - string = str(string) - for char, safe in ( - ('&', '&'), - ('<', '<'), - ('>', '>'), - ('"', '"'), - ("'", '''), - ): string = string.replace(char, safe) - return string - -def parse_template(tmpl_str, **kwargs): - """ - Parse the template string with the given args. - Pass in the xml encode method for pango escape chars. - @param tmpl_str the template as a string - @return a string of the parsed template - """ - kwargs['encode'] = xml_encode - return str(Template(tmpl_str, kwargs)) |