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authorDave Andreoli <dave@gurumeditation.it>2015-01-17 20:05:40 +0100
committerDave Andreoli <dave@gurumeditation.it>2015-01-17 20:05:40 +0100
commitea6004462081c109ab6903794520560ceda0917e (patch)
tree5959dfe7755b1612c40184e0af83bf7883e6aaaa /examples/elementary
parentNew 1.13 property elm.Table.align (diff)
downloadpython-efl-ea6004462081c109ab6903794520560ceda0917e.tar.gz
Just for fun: port of the Transit Bezier test
...for fun and to prove the python-efl power, the test is half the size of the C version
Diffstat (limited to 'examples/elementary')
-rwxr-xr-xexamples/elementary/test.py1
-rw-r--r--examples/elementary/test_transit_bezier.py162
2 files changed, 163 insertions, 0 deletions
diff --git a/examples/elementary/test.py b/examples/elementary/test.py
index 858b5b8..8b6c117 100755
--- a/examples/elementary/test.py
+++ b/examples/elementary/test.py
@@ -123,6 +123,7 @@ items = [
("Transit Resizable", "test_transit", "transit7_clicked"),
("Transit Custom", "test_transit", "transit8_clicked"),
("Transit Chain", "test_transit", "transit9_clicked"),
+ ("Transit Bezier", "test_transit_bezier", "transit_bezier_clicked"),
]),
("Entries", [
("Entry", "test_entry", "entry_clicked"),
diff --git a/examples/elementary/test_transit_bezier.py b/examples/elementary/test_transit_bezier.py
new file mode 100644
index 0000000..4c37d04
--- /dev/null
+++ b/examples/elementary/test_transit_bezier.py
@@ -0,0 +1,162 @@
+#!/usr/bin/env python
+# encoding: utf-8
+
+import os
+
+from efl.evas import Line
+from efl import elementary
+from efl.elementary.button import Button
+from efl.elementary.window import Window, ELM_WIN_BASIC
+from efl.elementary.background import Background
+from efl.elementary.image import Image
+from efl.elementary.label import Label
+from efl.elementary.transit import Transit, ELM_TRANSIT_TWEEN_MODE_BEZIER_CURVE
+
+script_path = os.path.dirname(os.path.abspath(__file__))
+img_path = os.path.join(script_path, "images")
+
+SEGMENT_MAX = 200
+BTN_SIZE = 50
+WIN_W, WIN_H = 400, 400 + BTN_SIZE
+CTRL_W, CTRL_H = 15, 15
+
+ctrl_pt1 = None
+ctrl_pt2 = None
+label = None
+bezier_lines = []
+
+def clamp(minimum, x, maximum):
+ return max(minimum, min(x, maximum))
+
+def v_get():
+ x, y, w, h = ctrl_pt1.geometry
+ v1 = float((x - (w/2))) / WIN_W;
+ v2 = 1 - float((y - (h/2))) / (WIN_H - BTN_SIZE)
+
+ x, y, w, h = ctrl_pt2.geometry
+ v3 = float((x - (w/2))) / WIN_W;
+ v4 = 1 - float((y - (h/2))) / (WIN_H - BTN_SIZE)
+
+ return (v1, v2, v3, v4)
+
+def update_curve():
+ v1, v2, v3, v4 = v_get()
+ label.text = "<align=left><b>Control Points:</b></br>" \
+ "x1: %0.2f y1: %0.2f</br>" \
+ "x2: %0.2f y2: %0.2f</align>" % (v1, v2, v3, v4)
+
+ prev_x, prev_y = 0, WIN_H - BTN_SIZE - 1
+ for i, line in enumerate(bezier_lines):
+ progress = float(i) / float((SEGMENT_MAX - 1))
+
+ tx = (3 * progress * pow(1 - progress, 2) * v1) + \
+ (3 * pow(progress, 2) * (1 - progress) * v3) + \
+ (pow(progress, 3) * 1)
+ ty = (3 * progress * pow((1 - progress), 2) * v2) + \
+ (3 * pow(progress, 2) * (1 - progress) * v4) + \
+ (pow(progress, 3) * 1)
+
+ cur_x = int(tx * WIN_W)
+ cur_y = (WIN_H - BTN_SIZE - 1) - (int(ty * (WIN_H - BTN_SIZE)))
+ line.xy = prev_x, prev_y, cur_x, cur_y
+ prev_x, prev_y = cur_x, cur_y
+
+def ctrl_pt_mouse_down_cb(obj, event):
+ obj.data["dragging"] = True
+
+def ctrl_pt_mouse_up_cb(obj, event):
+ obj.data["dragging"] = False
+
+def ctrl_pt_mouse_move_cb(obj, event):
+ if obj.data["dragging"]:
+ x = (event.position.canvas.x - (CTRL_W/2))
+ y = (event.position.canvas.y - (CTRL_H/2))
+ x = clamp(-(CTRL_W/2), x, WIN_W - (CTRL_W/2))
+ y = clamp(-(CTRL_H/2), y, WIN_H - (CTRL_H/2))
+
+ obj.move(x,y)
+ obj.data["line"].end = x + (CTRL_W/2), y + (CTRL_H/2)
+ update_curve()
+
+def transit_del_cb(obj):
+ for w in ctrl_pt1, ctrl_pt2, ctrl_pt1.data["line"], ctrl_pt2.data["line"]:
+ w.show()
+
+def btn_clicked_cb(btn):
+ v1, v2, v3, v4 = v_get()
+ transit = Transit(duration=1.0, auto_reverse=True,
+ tween_mode=ELM_TRANSIT_TWEEN_MODE_BEZIER_CURVE,
+ tween_mode_factor_n=[v1, v2, v3, v4])
+ transit.object_add(btn)
+ transit.effect_translation_add(0, 0, (WIN_W - BTN_SIZE), 0)
+ transit.del_cb_set(transit_del_cb)
+ transit.go()
+
+ for w in ctrl_pt1, ctrl_pt2, ctrl_pt1.data["line"], ctrl_pt2.data["line"]:
+ w.hide()
+
+def transit_bezier_clicked(obj, item=None):
+ global ctrl_pt1, ctrl_pt2, label, bezier_lines
+
+ win = Window("transit_bezier", ELM_WIN_BASIC, title="Transit Bezier",
+ autodel=True, size=(WIN_W, WIN_H))
+
+ # BG. Fix window size
+ bg = Background(win, size_hint_min=(WIN_W, WIN_H))
+ win.resize_object_add(bg)
+ bg.show()
+
+ # Control Point 1
+ line = Line(win.evas, anti_alias=True, pass_events=True,
+ color=(0, 174, 219, 255),
+ xy=(0, WIN_W, 100 + (CTRL_W/2) , 300 + (CTRL_H/2)))
+ ctrl_pt1 = Image(win, file=os.path.join(img_path, "bubble.png"),
+ size=(CTRL_W,CTRL_H), pos=(100,300))
+ ctrl_pt1.on_mouse_down_add(ctrl_pt_mouse_down_cb)
+ ctrl_pt1.on_mouse_up_add(ctrl_pt_mouse_up_cb)
+ ctrl_pt1.on_mouse_move_add(ctrl_pt_mouse_move_cb)
+ ctrl_pt1.data["dragging"] = False
+ ctrl_pt1.data["line"] = line
+ ctrl_pt1.show()
+ line.show()
+
+ # Control Point 2
+ line = Line(win.evas, anti_alias=True, pass_events=True,
+ color=(219, 174, 0, 255),
+ xy=(WIN_W, 0, 300 + (CTRL_W/2), 100 + (CTRL_H/2)))
+ ctrl_pt2 = Image(win, file=os.path.join(img_path, "bubble.png"),
+ size=(CTRL_W,CTRL_H), pos=(300,100))
+ ctrl_pt2.on_mouse_down_add(ctrl_pt_mouse_down_cb)
+ ctrl_pt2.on_mouse_up_add(ctrl_pt_mouse_up_cb)
+ ctrl_pt2.on_mouse_move_add(ctrl_pt_mouse_move_cb)
+ ctrl_pt2.data["dragging"] = False
+ ctrl_pt2.data["line"] = line
+ ctrl_pt2.show()
+ line.show()
+
+ # Bezier Lines
+ for i in range(SEGMENT_MAX):
+ line = Line(win.evas, color=(255, 50, 50, 255), anti_alias=True,
+ pass_events=True)
+ bezier_lines.append(line)
+ line.show()
+
+ # Label
+ label = Label(win, size=(WIN_W, 50), pass_events=True)
+ label.show()
+
+ # Button
+ btn = Button(win, text="Go", size=(BTN_SIZE,BTN_SIZE),
+ pos=(0, WIN_H - BTN_SIZE))
+ btn.callback_clicked_add(btn_clicked_cb)
+ btn.show()
+
+ update_curve()
+ win.show()
+
+
+if __name__ == "__main__":
+ elementary.init()
+ transit_bezier_clicked(None)
+ elementary.run()
+ elementary.shutdown()