101 lines
2.8 KiB
Factor
101 lines
2.8 KiB
Factor
! :folding=indent:collapseFolds=1:
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! $Id$
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!
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! Copyright (C) 2004 Slava Pestov.
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions are met:
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!
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! 1. Redistributions of source code must retain the above copyright notice,
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! this list of conditions and the following disclaimer.
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!
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! 2. Redistributions in binary form must reproduce the above copyright notice,
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! this list of conditions and the following disclaimer in the documentation
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! and/or other materials provided with the distribution.
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!
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! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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IN: sdl
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USE: alien
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USE: math
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USE: namespaces
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USE: compiler
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USE: words
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USE: parser
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USE: kernel
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USE: errors
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USE: lists
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USE: prettyprint
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USE: sdl-event
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USE: sdl-gfx
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USE: sdl-video
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SYMBOL: surface
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SYMBOL: width
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SYMBOL: height
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SYMBOL: bpp
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SYMBOL: surface
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: init-screen ( width height bpp flags -- )
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>r 3dup bpp set height set width set r>
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SDL_SetVideoMode surface set ;
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: with-screen ( width height bpp flags quot -- )
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#! Set up SDL graphics and call the quotation.
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[ >r init-screen r> call SDL_Quit ] with-scope ; inline
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: rgb ( r g b a -- n )
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255
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swap 8 shift bitor
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swap 16 shift bitor
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swap 24 shift bitor ;
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: black 0 0 0 ;
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: white 255 255 255 ;
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: red 255 0 0 ;
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: green 0 255 0 ;
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: blue 0 0 255 ;
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: clear-surface ( color -- )
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>r surface get 0 0 width get height get r> boxColor ;
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: with-pixels ( quot -- )
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width get [
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height get [
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[ rot dup slip swap surface get swap ] 2keep
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[ rot pixelColor ] 2keep
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] repeat
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] repeat drop ; inline
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: with-surface ( quot -- )
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#! Execute a quotation, locking the current surface if it
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#! is required (eg, hardware surface).
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[
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surface get dup must-lock-surface? [
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dup SDL_LockSurface drop slip dup SDL_UnlockSurface
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] [
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slip
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] ifte SDL_Flip drop
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] with-scope ; inline
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: event-loop ( event -- )
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dup SDL_WaitEvent 1 = [
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dup event-type SDL_QUIT = [
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drop
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] [
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event-loop
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] ifte
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] [
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drop
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] ifte ;
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