Application graphics

[Richmond Mathewson]

On 09/03/2010 08:18, Scott Rossi wrote:
> Recently, Richmond Mathewson wrote:
>
>    
>>> PNG may not be as convenient for animation as something like animated GIF,
>>> but you can create animations by showing PNGs sequentially in an image
>>> object (set the text of image "viewer" to the text of image
>>> "frame1.png"...), or by sequentially setting the icon of a button to the IDs
>>> of PNGs.
>>>
>>>
>>>        
>> Well . . . you can do that with any format that RunRev can cope with,
>> although
>> it does seem terribly clunky, or, Heaven forfend that I should let the
>> phrase
>> pass out my gab: "terribly Hypercardy".
>>
>> The advantage of this method is that it is easier to control things such
>> as animation
>> speed than with animated GIFs.
>>      
> "Clunky" or not, PNG is better for several reasons:
>
> - GIF is capable of only 256 colors, PNG = much more
> - GIF supports only 1 bit mask (1 level of transparency), PNG supports 8 bit
> mask (256 levels of transparency)
>
> Besides, animated GIF format is simply the data of a bunch of GIF frames in
> a single file.  If you want this same thing in Rev, import a bunch of PNGs
> as custom properties of an image.  Presto.  A single object with multiple
> frames, sans the "clunkyness".
>
>    
I was not advocating animated GIFs over the other method: animated GIFs are
fairly awful!  What I was doing was being anti showing sequences of images
as it seems rather resource hungry.