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annotate pyink/frameline.py @ 949:c9bf47cc621f

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Set font size for frame number in frameruler
author Thinker K.F. Li <thinker@codemud.net>
date Wed, 17 Nov 2010 02:16:32 +0800
parents 518c61784355
children 1bb0780f1036
rev   line source
944
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
1 import pygtk
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2 pygtk.require("2.0")
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3 import gtk
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4 import gtk.gdk
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c9bf47cc621f Set font size for frame number in frameruler
Thinker K.F. Li <thinker@codemud.net>
parents: 948
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5 import pango
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6 import gobject
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7
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8 def color_to_rgb(v):
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9 return (((v >> 16) & 0xff) * 65535 / 0xff,
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10 ((v >> 8) & 0xff) * 65535 / 0xff,
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11 (v & 0xff) * 65535 / 0xff)
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12
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13 class keyframe(object):
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14 def __init__(self, frame_idx):
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15 self.idx = frame_idx
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16 self.left_tween = False
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17 self.right_tween = False
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18 self.right_tween_type = 0
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19 pass
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20 pass
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21
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518c61784355 Add frameruler to show ruler for framelines
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22 class frameruler(gtk.DrawingArea):
518c61784355 Add frameruler to show ruler for framelines
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23 _type_id = 0
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24 _frame_width = 10 # Width for each frame is 10 pixels
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25 _mark_color = 0x808080 # color of mark lines
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26 _number_color = 0x000000 # color of frame number
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c9bf47cc621f Set font size for frame number in frameruler
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27 _number_sz = 8 # font size of frame number
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28
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29 def __new__(clz, *args):
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30 if not frameruler._type_id:
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31 frameruler._type_id = gobject.type_register(frameruler)
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32 pass
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33 fr = gobject.new(frameruler._type_id)
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34 return fr
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35
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36 def __init__(self, num_frames=20):
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37 self.connect('expose_event', self._fr_expose)
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38 self._num_frames = num_frames
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39 pass
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40
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41 def _fr_expose(self, widget, event):
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42 self.update()
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43 pass
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44
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45 def queue_draw(self):
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46 print 'queue_draw'
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47 self.update()
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48 pass
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49
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50 def queue_draw_area(self, x, y, w, h):
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51 print 'queue_draw_area'
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52 pass
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53
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54 def update(self):
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55 win = self.window
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56 w_x, w_y, w_w, w_h, depth = win.get_geometry()
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57
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58 gc = gtk.gdk.GC(win)
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59
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c9bf47cc621f Set font size for frame number in frameruler
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60 #
c9bf47cc621f Set font size for frame number in frameruler
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61 # Set color of mark lines
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62 #
948
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63 color_rgb = color_to_rgb(self._mark_color)
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64 color = gtk.gdk.Color(*color_rgb)
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65 gc.set_rgb_fg_color(color)
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66
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c9bf47cc621f Set font size for frame number in frameruler
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67 #
c9bf47cc621f Set font size for frame number in frameruler
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68 # Mark mark lines
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69 #
948
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70 mark_h = w_h / 10
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71 for i in range(self._num_frames):
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72 mark_x = (i + 1) * self._frame_width
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73 win.draw_line(gc, mark_x, 0, mark_x, mark_h)
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74 win.draw_line(gc, mark_x, w_h - mark_h - 1, mark_x, w_h - 1)
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75 if (i % 5) == 4:
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76 pass
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77 pass
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78
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c9bf47cc621f Set font size for frame number in frameruler
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79 #
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80 # Set color of frame number
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81 #
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82 color_rgb = color_to_rgb(self._number_color)
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83 color = gtk.gdk.Color(*color_rgb)
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84 gc.set_rgb_fg_color(color)
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85
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86 font_desc = pango.FontDescription()
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87 font_desc.set_size(self._number_sz * pango.SCALE)
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88
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89 number_y = (w_h - self._number_sz) / 2
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90
c9bf47cc621f Set font size for frame number in frameruler
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91 #
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92 # Draw frame number
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93 #
948
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94 layout = self.create_pango_layout('1')
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95 layout.set_font_description(font_desc)
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96 win.draw_layout(gc, 0, number_y, layout)
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97 for i in range(4, self._num_frames, 5):
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98 mark_x = i * self._frame_width
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99 layout.set_text(str(i + 1))
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100 win.draw_layout(gc, mark_x, number_y, layout)
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101 pass
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102 pass
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103 pass
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104
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105 ## Show frame status of a layer
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106 #
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107 class frameline(gtk.DrawingArea):
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108 _type_id = 0
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109 _frame_width = 10 # Width for each frame is 10 pixels
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110 _select_color = 0xee2222 # color of border of selected frame
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111 _key_mark_color = 0x000000 # color of marks for key frames.
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112 _key_mark_sz = 4 # width and height of a key frame mark
945
8db3dd03508f Draw line to connect continious tween frames
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113 _tween_color = 0x808080 # color of tween line
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114 _tween_bgcolors = [0x80ff80, 0xff8080] # bg colors of tween frames
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115 # Colors for normal frames
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116 _normal_bgcolors = [0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xcccccc]
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117 _normal_border = 0xaaaaaa # border color of normal frames.
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118 _active_border = 0xff3030 # border color of an active frame
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119
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120 def __new__(clz, *args):
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121 if not frameline._type_id:
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122 frameline._type_id = gobject.type_register(frameline)
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123 pass
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124 fl_obj = gobject.new(frameline._type_id)
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125 return fl_obj
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126
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127 def __init__(self, num_frames=20):
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128 self.connect('expose_event', self._fl_expose)
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129 self._num_frames = num_frames
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130 self._keys = []
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131 self._active_frame = -1
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132 pass
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133
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134 def _fl_expose(self, widget, event):
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135 print 'Expose %s' % (repr(event))
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136 win = self.window
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137 x, y, w, h, depth = win.get_geometry()
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diff changeset
138 print ' Geometry of window: %dx%d+%d+%d' % (w, h, x, y)
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
139 self.update()
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
140 pass
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
141
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
142 def _draw_tween(self, first_key, last_key):
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
143 win = self.window
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
144 w_x, w_y, w_w, w_h, depth = win.get_geometry()
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
145
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
146 #
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
147 # Get background color of a tween
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
148 #
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
149 bg_idx = first_key.right_tween_type
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
150 bg_color_v = self._tween_bgcolors[bg_idx]
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
151 bg_color_rgb = color_to_rgb(bg_color_v)
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
152 bg_color = gtk.gdk.Color(*bg_color_rgb)
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
153
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
154 gc = self._gc
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
155 gc.set_rgb_fg_color(bg_color)
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
156
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
157 draw_x = first_key.idx * self._frame_width + 1
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
158 draw_w = (last_key.idx - first_key.idx + 1) * self._frame_width - 1
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
159
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
160 win.draw_rectangle(gc, True, draw_x, 0, draw_w, w_h)
945
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
161
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
162 #
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
163 # Set color of tween line
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
164 #
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
165 line_v = self._tween_color
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
166 line_rgb = color_to_rgb(line_v)
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
167 line_color = gtk.gdk.Color(*line_rgb)
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
168 gc.set_rgb_fg_color(line_color)
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
169
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
170 #
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
171 # Draw tween line
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
172 #
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
173 line_x1 = (first_key.idx + 0.5) * self._frame_width
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
174 line_x2 = line_x1 + (last_key.idx - first_key.idx) * self._frame_width
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
175 line_y = w_h * 2 / 3
8db3dd03508f Draw line to connect continious tween frames
Thinker K.F. Li <thinker@codemud.net>
parents: 944
diff changeset
176 win.draw_line(gc, line_x1, line_y, line_x2, line_y)
944
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
177 pass
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
178
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
179 def _draw_frame(self, idx):
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
180 win = self.window
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
181 w_x, w_y, w_w, w_h, depth = win.get_geometry()
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
182
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
183 gc = self._gc
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
184 bg_idx = idx % len(self._normal_bgcolors)
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
185 rgb = color_to_rgb(self._normal_bgcolors[bg_idx])
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
186 color = gtk.gdk.Color(*rgb)
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
187 gc.set_rgb_fg_color(color)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
188
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
189 f_x = self._frame_width * idx
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
190 win.draw_rectangle(gc, True, f_x + 1, 0, self._frame_width, w_h)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
191 next_f_x = f_x + self._frame_width
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
192
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
193 border_rgb = color_to_rgb(self._normal_border)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
194 border_color = gtk.gdk.Color(*border_rgb)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
195 gc.set_rgb_fg_color(border_color)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
196 gc.set_line_attributes(1, gtk.gdk.LINE_SOLID,
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
197 gtk.gdk.CAP_BUTT, gtk.gdk.JOIN_MITER)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
198 win.draw_line(gc, next_f_x, 0, next_f_x, w_h)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
199 pass
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
200
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
201 def _draw_frames(self):
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
202 win = self.window
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
203 gc = gtk.gdk.GC(win)
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
204 self._gc = gc
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
205
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
206 i = 0
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
207 key_i = 0
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
208 try:
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
209 key = self._keys[key_i]
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
210 except IndexError:
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
211 key = keyframe(self._num_frames)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
212 pass
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
213 num_frames = self._num_frames
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
214 while i < num_frames:
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
215 if key.idx == i:
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
216 #
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
217 # Skip tween keys
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
218 #
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
219 first_tween_key = key
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
220 while key.idx == i or key.left_tween:
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
221 last_tween_key = key
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
222 key_i = key_i + 1
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
223 try:
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
224 key = self._keys[key_i]
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
225 except IndexError:
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
226 key = keyframe(self._num_frames)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
227 pass
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
228 pass
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
229
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
230 if first_tween_key != last_tween_key:
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
231 self._draw_tween(first_tween_key, last_tween_key)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
232
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Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
233 i = last_tween_key.idx + 1
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
234 pass
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
235 else:
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
236 self._draw_frame(i)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
237 i = i + 1
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
238 pass
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
239 pass
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
240 pass
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
241
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
242 def _draw_keyframes(self):
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
243 win = self.window
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
244 w_x, w_y, w_w, w_h, depth = win.get_geometry()
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
245
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
246 color_v = self._key_mark_color
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
247 color_rgb = color_to_rgb(color_v)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
248 color = gtk.gdk.Color(*color_rgb)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
249
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
250 gc = self._gc
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
251 gc.set_rgb_fg_color(color)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
252
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
253 for key in self._keys:
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
254 mark_sz = self._key_mark_sz
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
255 mark_x = int((key.idx + 0.5) * self._frame_width - mark_sz / 2)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
256 mark_y = w_h * 2 / 3 - mark_sz / 2
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
257
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
258 win.draw_rectangle(gc, True, mark_x, mark_y, mark_sz, mark_sz)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
259 pass
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
260 pass
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
261
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
262 def _draw_active(self):
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
263 win = self.window
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
264 w_x, w_y, w_w, w_h, depth = win.get_geometry()
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
265
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
266 color_v = self._active_border
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
267 color_rgb = color_to_rgb(color_v)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
268 color = gtk.gdk.Color(*color_rgb)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
269
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
270 gc = self._gc
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
271 gc.set_rgb_fg_color(color)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
272
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
273 idx = self._active_frame
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
274 line_x1 = idx * self._frame_width
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
275 line_x2 = line_x1 + self._frame_width
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
276
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
277 win.draw_line(gc, line_x1, 0, line_x1, w_h)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
278 win.draw_line(gc, line_x2, 0, line_x2, w_h)
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
279 pass
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
280
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
281 def update(self):
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
282 win = self.window
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
283 x, y, w, h, depth = win.get_geometry()
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
284
b0edd13779ee Implement a frameline widget
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
285 self._draw_frames()
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286 self._draw_keyframes()
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287 if self._active_frame != -1:
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288 self._draw_active()
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289 pass
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290 pass
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291
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292 ## Add a key frame
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293 #
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294 # A key frame is the frame that user specify actions. For
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295 # example, move a object or add new objects at the frame.
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296 def add_keyframe(self, idx):
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297 key_indic = [key.idx for key in self._keys]
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298 if idx in key_indic:
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299 return
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300
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301 key_indic.append(idx)
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302 key_indic.sort()
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303 insert_pos = key_indic.index(idx)
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304
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305 key = keyframe(idx)
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306 self._keys[insert_pos:insert_pos] = [key]
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307 if insert_pos > 0 and self._keys[insert_pos - 1].right_tween:
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308 key.left_tween = True
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309 pass
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310 if insert_pos < (len(self._keys) - 1) and \
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311 self._keys[insert_pos + 1].left_tween:
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312 key.right_tween = True
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313 pass
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314 pass
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315
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316 ## Tween the key frame specified by an index and the key frame at right.
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317 #
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318 # \see http://www.entheosweb.com/Flash/shape_tween.asp
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319 def tween(self, idx, _type=0):
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320 key_indic = [key.idx for key in self._keys]
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321 pos = key_indic.index(idx)
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322 key = self._keys[pos]
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323
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324 try:
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325 right_key = self._keys[pos + 1]
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326 except IndexError:
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327 raise ValueError, 'No right key frame'
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328
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329 key.right_tween = True
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330 right_key.left_tween = True
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331 key.right_tween_type = _type
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332 pass
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333
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334 ## Set active frame
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335 #
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336 # The active frame is the frame that is working on.
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337 #
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338 def active_frame(self, idx):
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339 if idx < 0 or idx >= self._num_frames:
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340 raise IndexError, 'value of index (%d) is out of range' % (idx)
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341
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342 self._active_frame = idx
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343 pass
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344
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345 def deactive(self):
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346 self._active_frame = -1
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347 pass
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348
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349 def set_num_frames(self, num):
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350 self._num_frames = num
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351 pass
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352
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353 def __len__(self):
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354 return self._num_frames
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355 pass
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356
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357 if __name__ == '__main__':
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358 window = gtk.Window(gtk.WINDOW_TOPLEVEL)
948
518c61784355 Add frameruler to show ruler for framelines
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359 fr = frameruler(40)
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360 fr.set_size_request(300, 20)
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361
944
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362 fl = frameline(40)
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363 fl.set_size_request(300, 20)
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364 fl.add_keyframe(3)
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365 fl.add_keyframe(9)
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366 fl.add_keyframe(15)
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367 fl.add_keyframe(20)
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368 fl.tween(3)
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369 fl.tween(15, 1)
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370 fl.active_frame(15)
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371 print 'num of frames: %d' % (len(fl))
948
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372
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373 box = gtk.VBox()
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374
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375 box.pack_start(fr, False)
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376 box.pack_start(fl, False)
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377 window.add(box)
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378
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379 fr.show()
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380 fl.show()
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381 box.show()
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382 window.show()
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parents:
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383 gtk.main()
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parents:
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384 pass