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{Png|_format|_load_save}



CLASS {Png|_format|_load_save}
, UNTESTED :






IMPORT : 
{Bitmap}
, 
{AL4_drawing}
, 
{Stream}
, 
{File_stream}
 .




-------------------------------------------------------------------- 'load'

    







FUNCTION 
From_file

(

     STR 
Path|_of_file
, 

     {reduce_size} 
Option|_reduce
)
 ==> {Bitmap} 
 , NEW












FUNCTION 
From_stream

(

     {Stream} 
S|ource_stream
, 

     {Bitmap}.{reduce_size} 
Option|_reduce
)
 ==> {Bitmap} 
 , NEW












FUNCTION 
Can_load

 ==> BOOL 












FUNCTION 
Can_save

 ==> BOOL 








-------------------------------------------------------------------- 'save'

  







FUNCTION 
To_file|_save

(

     {Bitmap} 
B|itmap_to_save
, 

     STR 
Path|_of_file
, 

     INT 
Quality|_of_compression_10_to_100|DUMMY_now_not_used_may_be_later
)
 ==> BOOL 












FUNCTION 
To_stream

(

     {Bitmap} 
B|itmap_to_save
, 

     {Stream} 
S|tream_destination
, 

     INT 
Quality|_of_compression_10_to_100
)
 ==> BOOL 







END