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/*
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    This file is part of Filter Foundry, a filter plugin for Adobe Photoshop
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    Copyright (C) 2003-7 Toby Thain, toby@telegraphics.com.au
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    This program is free software; you can redistribute it and/or modify
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    it under the terms of the GNU General Public License as published by  
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    the Free Software Foundation; either version 2 of the License, or
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    (at your option) any later version.
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    This program 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
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    GNU General Public License for more details.
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    You should have received a copy of the GNU General Public License  
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    along with this program; if not, write to the Free Software
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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*/
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#ifndef PREVIEW_H_
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#define PREVIEW_H_
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#include "world.h"
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#include "PIFilter.h"
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#include "ui_compat.h"
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#include "misc.h"
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extern PSPixelMap preview_pmap;
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extern PSPixelMask preview_pmask;
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extern Handle preview_handle;
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extern UIRECT preview_rect;
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extern int preview_w,preview_h,nplanes,needall,needinput;
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extern Point preview_scroll;
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extern double zoomfactor,fitzoom;
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extern OSErr process_scaled(FilterRecordPtr pb, Boolean progress,
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                                                        Rect *filterRect, Rect *outRect,
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                                                        void *outData, long outRowBytes, double zoom);
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extern Boolean alertuser(char *err,char *more);
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extern void evalinit();
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Boolean setup_preview(FilterRecordPtr pb,int nplanes);
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void recalc_preview(FilterRecordPtr pb,DIALOGREF dp);
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void dispose_preview();
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OSErr drawpreview(DIALOGREF dp,void *hdc,Ptr imageptr);
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#endif /*PREVIEW_H_*/