koPictureFilePreview.cc
00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021 #include "koPictureFilePreview.h"
00022 #include "koPictureFilePreview.moc"
00023 #include <kdialog.h>
00024 #include <klocale.h>
00025 #include <kurl.h>
00026 #include <qbitmap.h>
00027 #include <qlayout.h>
00028 #include <qfileinfo.h>
00029 #include <qpainter.h>
00030 #include <qscrollview.h>
00031
00032 #include <kdebug.h>
00033
00034 #include <koPicture.h>
00035
00041 class KoPictureFilePreviewWidget : public QScrollView
00042 {
00043 public:
00044 KoPictureFilePreviewWidget( QWidget *parent )
00045 : QScrollView( parent ) { viewport()->setBackgroundMode( PaletteBase ); }
00046
00047 bool setPicture( const QString & filename )
00048 {
00049 KoPicture picture;
00050 if (picture.loadFromFile( filename ))
00051 {
00052 m_size = picture.getOriginalSize();
00053 m_picture = picture;
00054 resizeContents( m_size.width(), m_size.height() );
00055 repaintContents();
00056 return true;
00057 }
00058 else
00059 return false;
00060 }
00061
00062 void setNullPicture(void)
00063 {
00064 m_picture=KoPicture();
00065 m_size=QSize();
00066 }
00067
00068 void drawContents( QPainter *p, int, int, int, int )
00069 {
00070 p->setBackgroundColor( Qt::white );
00071
00072 p->fillRect(0, 0, m_size.width(), m_size.height(), QBrush( Qt::white ));
00073 m_picture.draw( *p, 0 ,0, m_size.width(), m_size.height());
00074 }
00075
00076 private:
00077 KoPicture m_picture;
00078 QSize m_size;
00079 };
00080
00081 KoPictureFilePreview::KoPictureFilePreview( QWidget *parent )
00082 : KPreviewWidgetBase( parent )
00083 {
00084 QVBoxLayout *vb = new QVBoxLayout( this, KDialog::marginHint() );
00085 m_widget = new KoPictureFilePreviewWidget( this );
00086 vb->addWidget( m_widget, 1 );
00087 }
00088
00089 void KoPictureFilePreview::showPreview( const KURL &u )
00090 {
00091 if ( u.isLocalFile() ) {
00092 QString path = u.path();
00093 m_widget->setPicture( path );
00094 } else {
00095
00096 m_widget->setNullPicture();
00097 }
00098 }
00099
00100 void KoPictureFilePreview::clearPreview()
00101 {
00102 m_widget->setNullPicture();
00103 }
00104
00105 QString KoPictureFilePreview::clipartPattern()
00106 {
00107 return i18n( "*.svg *.wmf|Clipart (*.svg *.wmf)" );
00108 }
00109
00110 QStringList KoPictureFilePreview::clipartMimeTypes()
00111 {
00112 QStringList lst;
00113 lst << "image/svg+xml";
00114 lst << "image/x-wmf";
00115
00116 return lst;
00117 }
This file is part of the documentation for lib Library Version 1.3.5.