| 0,0 → 1,102 |
|---|
| /* |
| This file is part of Filter Foundry, a filter plugin for Adobe Photoshop |
| Copyright (C) 2003-7 Toby Thain, toby@telegraphics.com.au |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include "preview.h" |
| #include "ui.h" |
| |
| extern CursHandle handcursor; // provided and initialised by ui_mac.c |
| |
| pascal void preview_item(DialogRef dp,DialogItemIndex item); |
| pascal Boolean previewfilter(DialogRef dialog,EventRecord *event,short *item); |
| |
| pascal void preview_item(DialogRef dp,DialogItemIndex item){ |
| GrafPtr port; |
| |
| ENTERCALLBACK(); |
| |
| GetPort(&port); |
| SetPortDialogPort(dp); |
| |
| drawpreview(dp,0,PILOCKHANDLE(preview_handle,false)); |
| PIUNLOCKHANDLE(preview_handle); |
| |
| FrameRect(&preview_rect); |
| |
| SetPort(port); |
| |
| EXITCALLBACK(); |
| } |
| |
| // The following code is not actually used in Filter Foundry; |
| // it implements a preview-only event filter, for plugins that need |
| // only preview functionality (without sliders). |
| |
| pascal Boolean previewfilter(DialogRef dialog,EventRecord *event,short *item){ |
| int i; |
| Point pt,origscroll,newscroll; |
| Boolean result = false,f; |
| EventRecord ev; |
| GrafPtr oldport; |
| |
| ENTERCALLBACK(); |
| |
| GetPort(&oldport); |
| SetPortDialogPort(dialog); |
| |
| if(!event->what) |
| gpb->processEvent(event); // pass null events to Photoshop |
| |
| if(event->what == updateEvt && (WindowRef)event->message != GetDialogWindow(dialog)){ |
| // pass Photoshop update events for its windows |
| gpb->processEvent(event); |
| result = false; |
| }else if(event->what == mouseDown){ |
| |
| pt = event->where; |
| GlobalToLocal(&pt); |
| |
| i = FindDialogItem(dialog,pt)+1; |
| if(i == PREVIEWITEM){ |
| SetCursor(*handcursor); |
| origscroll = preview_scroll; |
| do{ |
| f = WaitNextEvent(mUpMask,&ev,5,NULL); |
| newscroll.h = origscroll.h - zoomfactor*(ev.where.h - event->where.h); |
| newscroll.v = origscroll.v - zoomfactor*(ev.where.v - event->where.v); |
| if(!EqualPt(newscroll,preview_scroll)){ |
| preview_scroll = newscroll; |
| recalc_preview(gpb,dialog); |
| } |
| }while(!f); |
| |
| *item = i; |
| result = true; |
| } |
| |
| }else{ |
| //GetKeyboardFocus(GetDialogWindow(dialog),&focus); |
| result = StdFilterProc(dialog,event,item); |
| } |
| |
| SetPort(oldport); |
| |
| EXITCALLBACK(); |
| |
| return result; |
| } |