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Conference bulova::decw_jan-89_to_nov-90

Title:	DECWINDOWS 26-JAN-89 to 29-NOV-90
Notice:	See 1639.0 for VMS V5.3 kit; 2043.0 for 5.4 IFT kit
Moderator:	STAR::VATNE

Created:	Mon Oct 30 1989
Last Modified:	Mon Dec 31 1990
Last Successful Update:	Fri Jun 06 1997
Number of topics:	3726
Total number of notes:	19516

1681.0. "Scaling in PAINT degrades image quality" by CSC32::T_LONGBOTHAM (Clatu berrada nictu, Gort!) Mon Nov 06 1989 16:06

    	Hi,
    
    	    When scaling a picture under the EDIT menu option of
        the PAINT application under V1.0 and V2.0 of decwindows
        the resolution is significantly reduced when reducing the
    	size of the image.  Why is this and will the issue be
    	addressed in a future release of DECWINDOWS?
    
    					Thanks in advance,
    					-Tom

T.R	Title	User	Personal Name	Date	Lines
1681.1		PSW::WINALSKI	Careful with that VAX, Eugene	`Mon Nov 06 1989 16:20`	6
	I don't see how you can possibly avoid it. If I take an image that is, say, 200x200 pixels square, and reduce it to a size of 100x100 pixels square, I have to throw out half the pixels in each dimension in order to display the image. I end up keeping only one out of every 4 pixels. --PSW
1681.2		DECWIN::FISHER	Burns Fisher 381-1466, ZKO3-4/W23	`Tue Nov 07 1989 13:40`	8
	Remember that PAINT is defined to be a BIT editor. It creates things as objects, but it does not remember them that way...it only stores them as bits. Thus when you scale, it no longer remembers anything with any better resolution that the pixels that it originally wrote. If you want object editing, try DECwrite! Burns