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104 lines
2.5 KiB
Text
104 lines
2.5 KiB
Text
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/*
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general.psw
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Copyright (C) 2000 Free Software Foundation, Inc.
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Author: Adam Fedor <fedor@gnu.org>
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Date: May 2000
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This file is part of the GNUstep GUI X/DPS Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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*/
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#include <DPS/dpsclient.h>
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defineps DPSWKnownExtensions (DPSContext ctxt | int *extflag)
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0
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systemdict /alphaimage known {1 add} if
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systemdict /composite known {2 add} if
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systemdict /compositerect known {4 add} if
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systemdict /dissolve known {8 add} if
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systemdict /readimage known {16 add} if
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systemdict /setalpha known {32 add} if
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systemdict /flushpage known {64 add} if
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extflag
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endps
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defineps DPSWWorkingExtensions(DPSContext ctxt | boolean *supported)
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{
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0 0 10 10 null 10 10 2 composite
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} stopped not
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supported
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endps
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/* Define our own versions of NeXT extension wrappers since they
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aren't neccesarily in the DPS library
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*/
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defineps PSWalphaimage ()
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alphaimage
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endps
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defineps PSWcomposite (float x, y, w, h; int gstateNum; float dx, dy; int op)
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x y w h
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gstateNum dup 0 eq {null} {execuserobject} ifelse
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dx dy op composite
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endps
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defineps PSWcompositerect (float x, y, w, h; int op)
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x y w h op compositerect
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endps
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defineps PSWdissolve (float x, y, w, h; int gstateNum; float dx, dy, delta)
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x y w h
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gstateNum dup 0 eq {null} {execuserobject} ifelse
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dx dy delta dissolve
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endps
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defineps PSWreadimage ()
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readimage
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endps
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defineps PSWsetalpha (float alpha)
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alpha setalpha
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endps
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defineps PSWcurrentalpha (| float *alpha)
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currentalpha alpha
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endps
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defineps PSWflushpage ()
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flushpage
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endps
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/* Image helper wrappers */
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defineps PSWColorImageHeader(int width, height, bps, spp)
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width height bps
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[width 0 0 height neg 0 height]
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currentfile false spp colorimage
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endps
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defineps PSWImageHeader(int width, height, bps)
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width height bps
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[width 0 0 height neg 0 height]
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currentfile image
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endps
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