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preview.cpp
1 /*
2 
3 Pencil2D - Traditional Animation Software
4 Copyright (C) 2005-2007 Patrick Corrieri & Pascal Naidon
5 Copyright (C) 2012-2020 Matthew Chiawen Chang
6 
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License
9 as published by the Free Software Foundation; version 2 of the License.
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 */
17 
18 #include "preview.h"
19 #include <QPainter>
20 
21 
22 PreviewCanvas::PreviewCanvas( QWidget* parent ) : QWidget( parent )
23 {
24  setFixedSize( 200, 200 );
25 }
26 
27 void PreviewCanvas::paintEvent( QPaintEvent* )
28 {
29  QPainter painter( this );
30  if ( mBitmapImage )
31  {
32  painter.drawImage( rect( ), *( mBitmapImage->image() ) );
33  }
34  painter.end( );
35 }
36 
37 PreviewWidget::PreviewWidget( QWidget* parent ) : QDockWidget( parent )
38 {
39  mCanvas = new PreviewCanvas( this );
40  setWidget( mCanvas );
41 }
42 
43 void PreviewWidget::updateImage()
44 {
45  mCanvas->update();
46 }
void update()
QRect rect() const const
void setFixedSize(const QSize &s)