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Code: Alles auswählen

  if(edit_buch_bild->text() != ""){

    QString newbildtext = edit_buch_bild->text();
    QFile file(newbildtext);
    if (!file.open(QIODevice::ReadWrite))
    {
        QMessageBox::information( this, "Info", QString("Bild konnte nicht geöffnet werden."), "&Ok" );
    	return;
    }
  
    QImage image(newbildtext); 
  
    edit_buch_vorschaubild->setPixmap(QPixmap::fromImage(image));

  }

Code: Alles auswählen

static inline QString ImageFilterHaving()
{
  QString filter;
  filter = tr( "All supported Types" ) + " (";
  QList<QByteArray> formats = QImageReader::supportedImageFormats();
  for ( int x = 0; x < formats.count(); ++x ) {

    filter += QString( "*.%1" ).arg( QString( formats[ x ] ) );
    if ( x != formats.count() - 1 )
      filter += " ";
  }
  filter += ");;";
  QString filterSimple;
  
   /*
   QSvgRenderer ? Load?
   #include <QtSvg> 
   QT += svg
   */
  filterSimple += tr( "Scalable Vector Graphics" ) + " (*.svg *.svg.gz);;";
  
  for ( int y = 0; y < formats.count(); ++y ) {

    QString form( formats[ y ] );
    if ( form == "bmp" )
      filterSimple += tr( "Windows Bitmap" ) + " (*.bmp)";
    else if ( form == "gif" )
      filterSimple += tr( "Graphic Interchange Format" ) + " (*.gif)";
    else if ( form == "jpeg" || form == "jpg" ) {

      if ( !filterSimple.contains( form ) )
        filterSimple += tr( "Joint Photographic Experts Group" ) + " (*.jpeg *.jpg)";
    } else if ( form == "mng" )
      filterSimple += tr( "Multiple-image Network Graphics" ) + " (*.mng)";
    else if ( form == "png" )
      filterSimple += tr( "Portable Network Graphics" ) + " (*.png)";
    else if ( form == "pbm" || form == "ppm" ) {

      if ( !filterSimple.contains( form ) )
        filterSimple += tr( "Portable Bitmap" ) + " (*.pbm *.ppm)";
    } else if ( form == "pgm" )
      filterSimple += tr( "Portable Graymap" ) + " (*.pgm)";
    else if ( form == "xbm" || form == "xpm" ) {

      if ( !filterSimple.contains( form ) )
        filterSimple += tr( "X11 Bitmap" ) + " (*.xbm *.xpm)";
    } else if ( form == "ico" )
      filterSimple += tr( "Icon Image File Format" ) + " (*.ico)";
    else if ( form == "jp2" || form == "j2k" ) {

      if ( !filterSimple.contains( form ) )
        filterSimple += tr( "JPEG 2000" ) + " (*.jp2 *.j2k)";
    } else if ( form == "tif" || form == "tiff" ) {

      if ( !filterSimple.contains( form ) )
        filterSimple += tr( "Tagged Image File Format" ) + " (*.tif *.tiff)";
    } else
      filterSimple += tr( "Unknown Format" ) + QString( " (*.%1)" ).arg( form );

    if ( y != formats.count() - 1 && !filterSimple.endsWith( ";;" ) )
      filterSimple += ";;";
  }
  filterSimple = filterSimple.left( filterSimple.length() - 2 );
  filter += filterSimple;
   return filter;
}


static inline QPixmap RenderPixmapFromSvgByte(  QByteArray streams )   /* svg file read:all */
{
        QSvgRenderer  svgRenderer( streams );
        QPixmap pix(  svgRenderer.defaultSize() );
        pix.fill(Qt::transparent);
        QPainter paint(&pix);
        svgRenderer.render(&paint);
        return pix;
}


/* die file image typen sehen... */

QString file = QFileDialog::getOpenFileName( this, tr( "Choose Image to insert..." ), QString(setter.value("LastDir").toString()) , ImageFilterHaving() );
   

Code: Alles auswählen

TARGET = 
DEPENDPATH =   .
INCLUDEPATH =   .
QT +=   sql \
  qt3support \
  opengl
HEADERS =   mainform.h
FORMS =   mainform.ui
SOURCES =   main.cpp \
  mainform.cpp
RESOURCES =   application.qrc
RC_FILE =   RCFile.rc
TEMPLATE =   app
CONFIG +=   release \
  static
QTPLUGIN += qjpeg

Code: Alles auswählen

#include <QApplication>
#include "mainform.h"

#include <QtPlugin>
Q_IMPORT_PLUGIN(qjpeg)

int main( int argc, char** argv )
{	
  QApplication    app( argc, argv );
  MainForm mainForm;
  mainForm.show();
  return( app.exec() );
}

Code: Alles auswählen

Q_IMPORT_PLUGIN(qjpeg)