diff options
Diffstat (limited to 'eye.py')
| -rw-r--r-- | eye.py | 127 |
1 files changed, 53 insertions, 74 deletions
@@ -27,55 +27,49 @@ from gi.repository import Gdk from gi.repository import GObject import math - class Eye(Gtk.DrawingArea): + """Eye.""" + def __init__(self, fill_color): Gtk.DrawingArea.__init__(self) - self.frame = 0 - self.blink = False + self.x, self.y = 0, 0 self.fill_color = fill_color - - # listen for clicks - self.add_events(Gdk.EventMask.BUTTON_PRESS_MASK) - self.add_events(Gdk.EventMask.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() + + self.show_all() def look_at(self, x, y): + """ Look. . .""" + self.x = x self.y = y self.queue_draw() def look_ahead(self): + """ Look. . .""" + self.x = None self.y = None self.queue_draw() # Thanks to xeyes :) def computePupil(self): - a = self.get_allocation() + """pupil.""" + + rect = 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.get_allocation().width / 2: - cx = a.width * 0.6 + if rect.x + rect.width / 2 < rect.width / 2: + cx = rect.width * 0.6 else: - cx = a.width * 0.4 - return cx, a.height * 0.6 + cx = rect.width * 0.4 + return cx, rect.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 + self.get_toplevel(), rect.width / 2, rect.height / 2) + EYE_HWIDTH = rect.width + EYE_HHEIGHT = rect.height BALL_DIST = EYE_HWIDTH / 4 dx = self.x - EYE_X @@ -94,64 +88,49 @@ class Eye(Gtk.DrawingArea): dx = dist * cosa dy = dist * sina - return a.width / 2 + dx, a.height / 2 + dy + return rect.width / 2 + dx, rect.height / 2 + dy def do_draw(self, context): - self.frame += 1 - bounds = self.get_allocation() - - eyeSize = min(bounds.width, bounds.height) + rect = self.get_allocation() + + eyeSize = min(rect.width, rect.height) + outlineWidth = eyeSize / 20.0 pupilSize = eyeSize / 10.0 pupilX, pupilY = self.computePupil() - dX = pupilX - bounds.width / 2. - dY = pupilY - bounds.height / 2. + dX = pupilX - rect.width / 2. + dY = pupilY - rect.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 = context - #self.context.set_antialias(cairo.ANTIALIAS_NONE) - - #set a clip region for the expose event. - #This reduces redrawing work (and time) - self.context.rectangle(bounds.x, - bounds.y, - bounds.width, - bounds.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() - + pupilX = rect.width / 2 + dX * limit / distance + pupilY = rect.height / 2 + dY * limit / distance + + context.set_source_rgba(*self.fill_color.get_rgba()) + context.rectangle(0, 0, rect.width, rect.height) + 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() - + context.set_source_rgb(1, 1, 1) + context.arc(rect.width / 2, + rect.height / 2, + eyeSize / 2 - outlineWidth / 2, + 0, 360) + 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() - + context.set_source_rgb(0, 0, 0) + context.set_line_width(outlineWidth) + context.arc(rect.width / 2, + rect.height / 2, + eyeSize / 2 - outlineWidth / 2, + 0, 360) + 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 - + context.set_source_rgb(0, 0, 0) + context.arc(pupilX, pupilY, pupilSize, 0, 360) + context.fill() + return True +
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