 | | | squeezing every last K out | squeezing every last K out 2004-03-11 - By Matthew Horn
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I want to optimize a SWF as much as possible. I've done a pretty good job so
far, of re-rendering images, cleaning up the library (oddly, removing some
things that I KNOW weren't being used shrunk the file size), and whatnot.
I got it down from 250k to ~143K.
What I wanna do is make deeper cuts still. The lion's share of my SWF size
is taken up by a background image (it's about half the file size), so I
would like to focus on that possibly.
Some basic assumptions I am making:
- CONVERTING images to graphic symbols... Leaving the background image as
an imported graphic or converting it to a symbol makes no size difference
that I can tell.
- IMPORTING graphics.... importing a graphic to the library and then using
it or importing it directly to the stage makes no diff if I only use the
graphic once.
Also:
- TRACE statements...... Trace statements are not written into the final
SWF (when debug is off, anyway), so removing them won't make a difference
Any advice or a good site I can look at that might spell out some ideas?
Thanks!
Here's the size report if that helps.
matrix.swf Movie Report
-- ---- ---- ---- ------
Frame # Frame Bytes Total Bytes Scene
-- ---- -- ---- --- -- ---- --- -- ---- ---- ---
1 139793 139793 Scene 1 (AS 2.0 Classes Export
Frame)
2 784 140577
3 280 140857
4 280 141137
5 280 141417
6 280 141697
7 280 141977
8 280 142257
9 280 142537
10 280 142817
11 280 143097
12 280 143377
13 280 143657
14 280 143937
15 280 144217
16 280 144497
17 280 144777
18 280 145057
19 280 145337
20 338 145675
Scene Shape Bytes Text Bytes ActionScript Bytes
-- ---- ---- ---- ---- -- -- ---- --- -- ---- -- -- ---- ---- -----
Scene 1 331 23 997
Symbol Shape Bytes Text Bytes ActionScript Bytes
-- ---- ---- ---- ---- -- -- ---- --- -- ---- -- -- ---- ---- -----
shitter 30 0 0
blackbox 21 0 0
effectSymbol 0 0 0
Transform 1 0 0 0
box 24 0 1065
Font Name Bytes Characters
-- ---- ---- ---- ---- -- ------ -- ---- ------
Courier New 17
ActionScript Bytes Location
-- ---- ---- ----- -- -----
1 Scene 1:Transform 1:1
943 Scene 1:code:1
1065 box:Layer 1:1
120
53 Scene 1:Transform 1:20
60102 ActionScript 2.0 Classes
Bitmap Compressed Compression
-- ---- ---- ---- ----- -- ---- -- -- ----- -- ---- ---
017_17.jpg 74131 1477360 Imported JPEG=102
matrix.swf Movie Report
-- ---- ---- ---- ------
Frame # Frame Bytes Total Bytes Scene
-- ---- -- ---- --- -- ---- --- -- ---- ---- ---
1 139793 139793 Scene 1 (AS 2.0 Classes Export
Frame)
2 784 140577
3 280 140857
4 280 141137
5 280 141417
6 280 141697
7 280 141977
8 280 142257
9 280 142537
10 280 142817
11 280 143097
12 280 143377
13 280 143657
14 280 143937
15 280 144217
16 280 144497
17 280 144777
18 280 145057
19 280 145337
20 338 145675
Scene Shape Bytes Text Bytes ActionScript Bytes
-- ---- ---- ---- ---- -- -- ---- --- -- ---- -- -- ---- ---- -----
Scene 1 331 23 997
Symbol Shape Bytes Text Bytes ActionScript Bytes
-- ---- ---- ---- ---- -- -- ---- --- -- ---- -- -- ---- ---- -----
shitter 30 0 0
blackbox 21 0 0
effectSymbol 0 0 0
Transform 1 0 0 0
box 24 0 1065
Font Name Bytes Characters
-- ---- ---- ---- ---- -- ------ -- ---- ------
Courier New 17
ActionScript Bytes Location
-- ---- ---- ----- -- -----
1 Scene 1:Transform 1:1
943 Scene 1:code:1
1065 box:Layer 1:1
120
53 Scene 1:Transform 1:20
60102 ActionScript 2.0 Classes
Bitmap Compressed Compression
-- ---- ---- ---- ----- -- ---- -- -- ----- -- ---- ---
017_17.jpg 74131 1477360 Imported JPEG=102
-- -----
Matthew J. Horn
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