Rev 95 | Go to most recent revision | Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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94 | toby | 1 | /* |
2 | This file is part of Filter Foundry, a filter plugin for Adobe Photoshop |
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3 | Copyright (C) 2003-7 Toby Thain, toby@telegraphics.com.au |
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4 | |||
5 | This program is free software; you can redistribute it and/or modify |
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6 | it under the terms of the GNU General Public License as published by |
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7 | the Free Software Foundation; either version 2 of the License, or |
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8 | (at your option) any later version. |
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9 | |||
10 | This program is distributed in the hope that it will be useful, |
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11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | GNU General Public License for more details. |
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14 | |||
15 | You should have received a copy of the GNU General Public License |
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16 | along with this program; if not, write to the Free Software |
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17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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18 | */ |
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19 | |||
20 | #include "preview.h" |
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21 | #include "ui.h" |
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22 | |||
23 | extern CursHandle handcursor; // provided and initialised by ui_mac.c |
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24 | |||
25 | pascal void preview_item(DialogRef dp,DialogItemIndex item); |
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26 | pascal Boolean previewfilter(DialogRef dialog,EventRecord *event,short *item); |
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27 | |||
28 | pascal void preview_item(DialogRef dp,DialogItemIndex item){ |
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29 | GrafPtr port; |
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30 | |||
31 | ENTERCALLBACK(); |
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32 | |||
33 | GetPort(&port); |
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34 | SetPortDialogPort(dp); |
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35 | |||
36 | drawpreview(dp,0,PILOCKHANDLE(preview_handle,false)); |
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37 | PIUNLOCKHANDLE(preview_handle); |
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38 | |||
39 | FrameRect(&preview_rect); |
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40 | |||
41 | SetPort(port); |
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42 | |||
43 | EXITCALLBACK(); |
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44 | } |
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45 | |||
46 | // The following code is not actually used in Filter Foundry; |
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47 | // it implements a preview-only event filter, for plugins that need |
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48 | // only preview functionality (without sliders). |
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49 | |||
50 | pascal Boolean previewfilter(DialogRef dialog,EventRecord *event,short *item){ |
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51 | int i; |
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52 | Point pt,origscroll,newscroll; |
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53 | Boolean result = false,f; |
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54 | EventRecord ev; |
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55 | GrafPtr oldport; |
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56 | |||
57 | ENTERCALLBACK(); |
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58 | |||
59 | GetPort(&oldport); |
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60 | SetPortDialogPort(dialog); |
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61 | |||
62 | if(!event->what) |
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63 | gpb->processEvent(event); // pass null events to Photoshop |
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64 | |||
65 | if(event->what == updateEvt && (WindowRef)event->message != GetDialogWindow(dialog)){ |
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66 | // pass Photoshop update events for its windows |
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67 | gpb->processEvent(event); |
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68 | result = false; |
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69 | }else if(event->what == mouseDown){ |
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70 | |||
71 | pt = event->where; |
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72 | GlobalToLocal(&pt); |
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73 | |||
74 | i = FindDialogItem(dialog,pt)+1; |
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75 | if(i == PREVIEWITEM){ |
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76 | SetCursor(*handcursor); |
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77 | origscroll = preview_scroll; |
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78 | do{ |
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79 | f = WaitNextEvent(mUpMask,&ev,5,NULL); |
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80 | newscroll.h = origscroll.h - zoomfactor*(ev.where.h - event->where.h); |
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81 | newscroll.v = origscroll.v - zoomfactor*(ev.where.v - event->where.v); |
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82 | if(!EqualPt(newscroll,preview_scroll)){ |
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83 | preview_scroll = newscroll; |
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84 | recalc_preview(gpb,dialog); |
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85 | } |
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86 | }while(!f); |
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87 | |||
88 | *item = i; |
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89 | result = true; |
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90 | } |
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91 | |||
92 | }else{ |
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93 | //GetKeyboardFocus(GetDialogWindow(dialog),&focus); |
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94 | result = StdFilterProc(dialog,event,item); |
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95 | } |
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96 | |||
97 | SetPort(oldport); |
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98 | |||
99 | EXITCALLBACK(); |
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100 | |||
101 | return result; |
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102 | } |