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  1. /*
  2.     This file is part of Filter Foundry, a filter plugin for Adobe Photoshop
  3.     Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.com.au
  4.     Copyright (C) 2018-2021 Daniel Marschall, ViaThinkSoft
  5.  
  6.     This program is free software; you can redistribute it and/or modify
  7.     it under the terms of the GNU General Public License as published by
  8.     the Free Software Foundation; either version 2 of the License, or
  9.     (at your option) any later version.
  10.  
  11.     This program is distributed in the hope that it will be useful,
  12.     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14.     GNU General Public License for more details.
  15.  
  16.     You should have received a copy of the GNU General Public License
  17.     along with this program; if not, write to the Free Software
  18.     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19. */
  20.  
  21. #ifndef PREVIEW_H_
  22. #define PREVIEW_H_
  23.  
  24. #include "world.h"
  25.  
  26. #include "PIFilter.h"
  27.  
  28. #include "ui_compat.h"
  29.  
  30. #include "misc.h"
  31.  
  32. extern PSPixelMap preview_pmap;
  33. extern PSPixelMask preview_pmask;
  34. extern Handle preview_handle;
  35. extern UIRECT preview_rect;
  36. extern int preview_w,preview_h,nplanes,needall,needinput;
  37. extern Point preview_scroll;
  38. extern double zoomfactor,fitzoom;
  39.  
  40. extern OSErr process_scaled_olddoc(FilterRecordPtr pb, Boolean progress,
  41.                                    Rect filterRect, Rect outRect,
  42.                                    void* outData, long outRowBytes, double zoom);
  43. extern OSErr process_scaled_bigdoc(FilterRecordPtr pb, Boolean progress,
  44.                                    VRect filterRect, VRect outRect,
  45.                                    void* outData, long outRowBytes, double zoom);
  46. extern Boolean alertuser(char *err,char *more);
  47. extern void evalinit();
  48.  
  49. Boolean setup_preview(FilterRecordPtr pb,int nplanes);
  50. void recalc_preview(FilterRecordPtr pb,DIALOGREF dp);
  51. void dispose_preview();
  52. OSErr drawpreview(DIALOGREF dp,void *hdc,Ptr imageptr);
  53.  
  54. #endif /*PREVIEW_H_*/
  55.