removed outdated section about jpeg.

[swftools.git] / src / png2swf.doc

diff --git a/src/png2swf.doc b/src/png2swf.doc
index dc2a572..090172e 100644 (file)
--- a/src/png2swf.doc
+++ b/src/png2swf.doc
@@ -1,6 +1,6 @@
 Usage: %s [-X width] [-Y height] [-o file.swf] [-r rate] file1.png [file2.png...]
 
-Takes a number of png files and converts them to a swf movie, one
+Takes a number of gif files and converts them to a swf movie, one
 picture per frame.
 
 This tools converts png image files into an SWF animation. It takes any
@@ -9,15 +9,17 @@ converted picture is a seperate frame in the target SWF.
 .PP
 The way the
 images are encoded in SWF is very similar to PNG (in that a zlib-based, lossless
-compression algorithm is used). Under special circumstances, when the image
-is 32 bpp with alpha information, it is converted to (lossy) jpeg compression
-though, to preserve the alpha, which can't be encoded in any other way in the SWF.
+compression algorithm is used).
 
 -r, --rate <framerate>
     Set movie framerate (frames per second)
 -o, --output <filename>
     Set name for SWF output file.
     Explicitly specify output file. (Otherwise, output will go to stdout / output.swf)
+-z  --zlib    <zlib>        
+    Enable Flash 6 (MX) Zlib Compression
+    Use Flash MX (SWF 6) Zlib encoding for the output. The resulting SWF will be
+    smaller, but not playable in Flash Plugins of Version 5 and below.
 -X, --pixel <width>
     Force movie width to <width> (default: autodetect)
 -Y, --pixel <height>