31 lines
904 B
Factor
31 lines
904 B
Factor
! Copyright (C) 2008 Doug Coleman, Joe Groff.
|
|
! See http://factorcode.org/license.txt for BSD license.
|
|
USING: accessors arrays byte-arrays kernel math namespaces
|
|
opengl.gl sequences math.vectors ui images.bitmap images.viewer
|
|
models ui.gadgets.worlds ui.gadgets fry alien.syntax ;
|
|
IN: cap
|
|
|
|
: screenshot-array ( world -- byte-array )
|
|
dim>> [ first 3 * 4 align ] [ second ] bi * <byte-array> ;
|
|
|
|
: gl-screenshot ( gadget -- byte-array )
|
|
[
|
|
GL_BACK glReadBuffer
|
|
GL_PACK_ALIGNMENT 4 glPixelStorei
|
|
0 0
|
|
] dip
|
|
[ dim>> first2 GL_BGR GL_UNSIGNED_BYTE ]
|
|
[ screenshot-array ] bi
|
|
[ glReadPixels ] keep ;
|
|
|
|
: screenshot ( window -- bitmap )
|
|
[ gl-screenshot ]
|
|
[ dim>> first2 ] bi
|
|
bgr>bitmap ;
|
|
|
|
: save-screenshot ( window path -- )
|
|
[ screenshot ] dip save-bitmap ;
|
|
|
|
: screenshot. ( window -- )
|
|
[ screenshot <image-gadget> ] [ title>> ] bi open-window ;
|