X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=gzv.py;h=ac4dce3a9d94ee3563ba8c87219eaecd97517152;hb=5d7787d49dda1ae444f0327414821f27efab34c3;hp=ca94af99cadf32f988d20e80bd1470fd997fd14e;hpb=7c88a521007395559dff443beec71f4c1fcc28c2;p=cascardo%2Fmovie.git diff --git a/gzv.py b/gzv.py index ca94af9..ac4dce3 100644 --- a/gzv.py +++ b/gzv.py @@ -1,5 +1,5 @@ # -*- coding: utf-8; -*- -# gzv.py - an user interface to generate-zooming-video +# gzv.py - an user interface to select people in a picture # # Copyright (C) 2008 Lincoln de Sousa # @@ -234,7 +234,6 @@ class Gzv(GladeLoader): self.balls.save_to_file(self.project.focus_points_file) fc.destroy() - def load_project(self, project): self.project = project self.balls = self.load_balls_from_file(project.focus_points_file) @@ -257,12 +256,19 @@ class Gzv(GladeLoader): self.draw.set_from_pixbuf(pixbuf) self.load_balls_to_treeview() + self.set_widgets_sensitivity(True) def unload_project(self): self.project = None self.image = None self.balls = BallManager() self.draw.queue_draw() + self.set_widgets_sensitivity(False) + + def set_widgets_sensitivity(self, sensitive): + for i in 'toolbutton1', 'toolbutton5', 'scrolledwindow1', \ + 'hbox2', 'imagemenuitem3': + self.wid(i).set_sensitive(sensitive) def load_balls_to_treeview(self): self.model.clear() @@ -305,8 +311,29 @@ class Gzv(GladeLoader): i.selected = False ball.selected = True + # available space to the image + w = self.evtbox.get_allocation().width + h = self.evtbox.get_allocation().height + + # point begining from the left image border + wib = self.point_with_border(ball) + + #self.wid('viewport').get_vadjustment().value = wib.x # + (w / 2) + #self.wid('viewport').get_hadjustment().value = wib.y # + (h / 2) + self.draw.queue_draw() + def select_fp_from_image(self, ball): + selection = self.treeview.get_selection() + selection.select_path(str(ball.position)) + + # making sure that only one ball is selected + for i in self.balls: + i.selected = False + ball.selected = True + + self.draw.queue_draw() + def save_fp_list(self, *args): assert self.project is not None @@ -328,6 +355,40 @@ class Gzv(GladeLoader): self.balls.save_to_file(self.project.focus_points_file) + def move_fp_up(self, *args): + selection = self.treeview.get_selection() + model, path = selection.get_selected() + if not path: + return + + pos = model[path][0] + newpos = max(pos - 1, 0) + self.balls.insert(newpos, self.balls.pop(pos)) + + # normalizing the position of elements. + for index, item in enumerate(self.balls): + item.position = index + + self.load_balls_to_treeview() + selection.select_path(str(newpos)) + + def move_fp_down(self, *args): + selection = self.treeview.get_selection() + model, path = selection.get_selected() + if not path: + return + + pos = model[path][0] + newpos = min(pos + 1, len(self.balls)) + self.balls.insert(newpos, self.balls.pop(pos)) + + # normalizing the position of elements. + for index, item in enumerate(self.balls): + item.position = index + + self.load_balls_to_treeview() + selection.select_path(str(newpos)) + def expose_draw(self, draw, event): if not self.image: return @@ -344,16 +405,38 @@ class Gzv(GladeLoader): return False + def point_with_border(self, ball): + iw, ih = self.draw.size_request() + w = self.draw.get_allocation().width + h = self.draw.get_allocation().height + + x = ((w / 2) - (iw / 2)) + ball.p.x + y = ((h / 2) - (ih / 2)) + ball.p.y + return Point(x, y) + + def point_without_border(self, point): + iw, ih = self.draw.size_request() + w = self.draw.get_allocation().width + h = self.draw.get_allocation().height + + x = point.x - ((w / 2) - (iw / 2)) + y = point.y - ((h / 2) - (ih / 2)) + return Point(x, y) + def draw_ball(self, ball): ctx = self.draw.window.cairo_create() - ctx.arc(ball.p.x, ball.p.y, ball.radius, 0, 64*math.pi) + ctx.arc(self.point_with_border(ball).x, + self.point_with_border(ball).y, + ball.radius, 0, 64*math.pi) ctx.set_source_rgba(0.0, 0.0, 0.5, 0.4) ctx.fill() if ball.selected: ctx.set_source_rgba(0.0, 0.5, 0.0, 0.4) ctx.set_line_width(5) - ctx.arc(ball.p.x, ball.p.y, ball.radius+1, 0, 64*math.pi) + ctx.arc(self.point_with_border(ball).x, + self.point_with_border(ball).y, + ball.radius+1, 0, 64*math.pi) ctx.stroke() def button_press(self, widget, event): @@ -365,17 +448,18 @@ class Gzv(GladeLoader): if event.button == 1: for i in self.balls: p1 = Point(event.x, event.y) - p2 = Point(i.p.x, i.p.y) + p2 = self.point_with_border(i) if Point.pythagorean(p1, p2) < i.radius: self.last_x = event.x - i.p.x self.last_y = event.y - i.p.y + self.select_fp_from_image(i) self.new_ball = False self.move_ball = i break - self.start_x = event.x - self.start_y = event.y + self.start_x = self.point_without_border(event).x + self.start_y = self.point_without_border(event).y def button_release(self, widget, event): self.move_ball = None @@ -400,14 +484,11 @@ class Gzv(GladeLoader): if not self.move_ball: return - self.move_ball.p.x += (event.x - self.move_ball.p.x) - self.move_ball.p.y += (event.y - self.move_ball.p.y) + self.move_ball.p.x = self.point_without_border(event).x + self.move_ball.p.y = self.point_without_border(event).y self.draw.queue_draw() - self.last_x = event.x - self.move_ball.p.x - self.last_y = event.y - self.move_ball.p.y - def finish_drawing(self): if self.new_ball: position = len(self.balls)