Rev 206 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
259 | daniel-mar | 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 | #include "preview.h" |
||
22 | #include "ui.h" |
||
23 | |||
24 | extern CursHandle handcursor; // provided and initialised by ui_mac.c |
||
25 | |||
26 | pascal void preview_item(DialogRef dp,DialogItemIndex item); |
||
27 | pascal Boolean previewfilter(DialogRef dialog,EventRecord *event,short *item); |
||
28 | |||
29 | pascal void preview_item(DialogRef dp,DialogItemIndex item){ |
||
30 | GrafPtr port; |
||
31 | |||
32 | ENTERCALLBACK(); |
||
33 | |||
34 | GetPort(&port); |
||
35 | SetPortDialogPort(dp); |
||
36 | |||
37 | drawpreview(dp,0,PILOCKHANDLE(preview_handle,false)); |
||
38 | PIUNLOCKHANDLE(preview_handle); |
||
39 | |||
40 | FrameRect(&preview_rect); |
||
41 | |||
42 | SetPort(port); |
||
43 | |||
44 | EXITCALLBACK(); |
||
45 | } |
||
46 | |||
47 | // The following code is not actually used by Filter Foundry; |
||
48 | // it implements an event filter for plugins that need |
||
49 | // only preview functionality (without sliders). |
||
50 | |||
51 | pascal Boolean previewfilter(DialogRef dialog,EventRecord *event,short *item){ |
||
52 | int i; |
||
53 | Point pt,origscroll,newscroll; |
||
54 | Boolean result = false,f; |
||
55 | EventRecord ev; |
||
56 | GrafPtr oldport; |
||
57 | |||
58 | ENTERCALLBACK(); |
||
59 | |||
60 | GetPort(&oldport); |
||
61 | SetPortDialogPort(dialog); |
||
62 | |||
63 | if( !event->what || (event->what == updateEvt |
||
64 | && (WindowRef)event->message != GetDialogWindow(dialog)) ) |
||
65 | { // pass null events and update events to Photoshop |
||
66 | gpb->processEvent(event); |
||
67 | } |
||
68 | else if(event->what == mouseDown){ |
||
69 | pt = event->where; |
||
70 | GlobalToLocal(&pt); |
||
71 | |||
72 | i = FindDialogItem(dialog,pt)+1; |
||
73 | if(i == PREVIEWITEM){ |
||
74 | SetCursor(*handcursor); |
||
75 | origscroll = preview_scroll; |
||
76 | do{ |
||
77 | f = WaitNextEvent(mUpMask,&ev,5,NULL); |
||
78 | newscroll.h = origscroll.h - zoomfactor*(ev.where.h - event->where.h); |
||
79 | newscroll.v = origscroll.v - zoomfactor*(ev.where.v - event->where.v); |
||
80 | if(!EqualPt(newscroll,preview_scroll)){ |
||
81 | preview_scroll = newscroll; |
||
82 | recalc_preview(gpb,dialog); |
||
83 | } |
||
84 | }while(!f); |
||
85 | |||
86 | *item = i; |
||
87 | result = true; |
||
88 | } |
||
89 | } |
||
90 | else |
||
91 | result = StdFilterProc(dialog,event,item); |
||
92 | |||
93 | SetPort(oldport); |
||
94 | |||
95 | EXITCALLBACK(); |
||
96 | |||
97 | return result; |
||
98 | } |