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Diffstat (limited to 'Speak.activity/eye.py')
| -rw-r--r-- | Speak.activity/eye.py | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/Speak.activity/eye.py b/Speak.activity/eye.py deleted file mode 100644 index 72f058e..0000000 --- a/Speak.activity/eye.py +++ /dev/null @@ -1,146 +0,0 @@ -# Speak.activity -# A simple front end to the espeak text-to-speech engine on the XO laptop -# http://wiki.laptop.org/go/Speak -# -# Copyright (C) 2008 Joshua Minor -# This file is part of Speak.activity -# -# Parts of Speak.activity are based on code from Measure.activity -# Copyright (C) 2007 Arjun Sarwal - arjun@laptop.org -# -# Speak.activity 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. -# -# Speak.activity 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 Speak.activity. If not, see <http://www.gnu.org/licenses/>. - -import pygtk -import gtk -import gtk.gdk -import gobject -import cairo -import math - -class Eye(gtk.DrawingArea): - def __init__(self, fill_color): - gtk.DrawingArea.__init__(self) - self.connect("expose_event", self.expose) - self.frame = 0 - self.blink = False - self.x, self.y = 0,0 - self.fill_color = fill_color - - # listen for clicks - self.add_events(gtk.gdk.BUTTON_PRESS_MASK) - self.add_events(gtk.gdk.BUTTON_RELEASE_MASK) - self.connect("button_press_event", self._mouse_pressed_cb) - self.connect("button_release_event", self._mouse_released_cb) - - def _mouse_pressed_cb(self, widget, event): - self.blink = True - self.queue_draw() - - def _mouse_released_cb(self, widget, event): - self.blink = False - self.queue_draw() - - def look_at(self, x, y): - self.x = x - self.y = y - self.queue_draw() - - def look_ahead(self): - self.x = None - self.y = None - self.queue_draw() - - # Thanks to xeyes :) - def computePupil(self): - a = self.get_allocation() - - if self.x is None or self.y is None: - # look ahead, but not *directly* in the middle - if a.x + a.width/2 < self.parent.get_allocation().width/2: - cx = a.width * 0.6 - else: - cx = a.width * 0.4 - return cx, a.height * 0.6 - - EYE_X, EYE_Y = self.translate_coordinates( - self.get_toplevel(), a.width/2, a.height/2) - EYE_HWIDTH = a.width - EYE_HHEIGHT = a.height - BALL_DIST = EYE_HWIDTH/4 - - dx = self.x - EYE_X - dy = self.y - EYE_Y - - if dx or dy: - angle = math.atan2(dy, dx) - cosa = math.cos(angle) - sina = math.sin(angle) - h = math.hypot(EYE_HHEIGHT * cosa, EYE_HWIDTH * sina) - x = (EYE_HWIDTH * EYE_HHEIGHT) * cosa / h - y = (EYE_HWIDTH * EYE_HHEIGHT) * sina / h - dist = BALL_DIST * math.hypot(x, y) - - if dist < math.hypot(dx, dy): - dx = dist * cosa - dy = dist * sina - - return a.width/2 + dx, a.height/2 + dy - - def expose(self, widget, event): - self.frame += 1 - bounds = self.get_allocation() - - eyeSize = min(bounds.width, bounds.height) - outlineWidth = eyeSize/20.0 - pupilSize = eyeSize/10.0 - pupilX, pupilY = self.computePupil() - dX = pupilX - bounds.width/2. - dY = pupilY - bounds.height/2. - distance = math.sqrt(dX*dX + dY*dY) - limit = eyeSize/2 - outlineWidth*2 - pupilSize - if distance > limit: - pupilX = bounds.width/2 + dX*limit/distance - pupilY = bounds.height/2 + dY*limit/distance - - self.context = widget.window.cairo_create() - #self.context.set_antialias(cairo.ANTIALIAS_NONE) - - #set a clip region for the expose event. This reduces redrawing work (and time) - self.context.rectangle(event.area.x, event.area.y, event.area.width, event.area.height) - self.context.clip() - - # background - self.context.set_source_rgba(*self.fill_color.get_rgba()) - self.context.rectangle(0,0,bounds.width,bounds.height) - self.context.fill() - - # eye ball - self.context.arc(bounds.width/2,bounds.height/2, eyeSize/2-outlineWidth/2, 0,360) - self.context.set_source_rgb(1,1,1) - self.context.fill() - - # outline - self.context.set_line_width(outlineWidth) - self.context.arc(bounds.width/2,bounds.height/2, eyeSize/2-outlineWidth/2, 0,360) - self.context.set_source_rgb(0,0,0) - self.context.stroke() - - # pupil - self.context.arc(pupilX,pupilY,pupilSize,0,360) - self.context.set_source_rgb(0,0,0) - self.context.fill() - - self.blink = False - - return True |