fix build windows build problem and some warnings

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@11794 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: jef

src/core/composer/qgscomposermap.cpp

@@ -824,7 +824,7 @@ void QgsComposerMap::drawGridAnnotations( QPainter* p, const QList< QPair< doubl
 int QgsComposerMap::verticalGridLines( QList< QPair< double, QLineF > >& lines ) const
 {
   lines.clear();
-  if ( !mGridIntervalX > 0.0 )
+  if ( mGridIntervalX <= 0.0 )
   {
     return 1;
   }
@@ -854,7 +854,7 @@ int QgsComposerMap::verticalGridLines( QList< QPair< double, QLineF > >& lines )
 int QgsComposerMap::horizontalGridLines( QList< QPair< double, QLineF > >& lines ) const
 {
   lines.clear();
-  if ( !mGridIntervalY > 0.0 )
+  if ( mGridIntervalY <= 0.0 )
   {
     return 1;
   }

src/core/raster/qgsrasterlayer.cpp

@@ -432,7 +432,7 @@ bool QgsRasterLayer::isValidRasterFileName( QString const & theFileNameQString,
   if ( myDataset == NULL )
   {
     if ( CPLGetLastErrorNo() != CPLE_OpenFailed )
-      retErrMsg = CPLGetLastErrorMsg();
+      retErrMsg = QString::fromUtf8( CPLGetLastErrorMsg() );
     return false;
   }
   else if ( GDALGetRasterCount( myDataset ) == 0 )
@@ -1884,7 +1884,7 @@ bool QgsRasterLayer::identify( const QgsPoint& thePoint, QMap<QString, QString>&
 
       if ( err != CPLE_None )
       {
-        QgsLogger::warning( "RaterIO error: " + QString( CPLGetLastErrorMsg() ) );
+        QgsLogger::warning( "RasterIO error: " + QString::fromUtf8( CPLGetLastErrorMsg() ) );
       }
 
       double value = readValue( data, type, 0 );
@@ -4380,7 +4380,7 @@ void QgsRasterLayer::drawMultiBandColor( QPainter * theQPainter, QgsRasterViewPo
   CPLFree( myGdalBlueData );
 
 #ifdef QGISDEBUG
-  QPixmap* pm = qobject_cast<QPixmap *>( theQPainter->device() );
+  QPixmap *pm = dynamic_cast<QPixmap *>( theQPainter->device() );
   if ( pm )
   {
     QgsDebugMsg( "theQPainter stats: " );
@@ -5070,7 +5070,7 @@ void *QgsRasterLayer::readData( GDALRasterBandH gdalBand, QgsRasterViewPort *vie
                                  type, 0, 0 );
     if ( myErr != CPLE_None )
     {
-      QgsLogger::warning( "RaterIO error: " + QString( CPLGetLastErrorMsg() ) );
+      QgsLogger::warning( "RasterIO error: " + QString::fromUtf8( CPLGetLastErrorMsg() ) );
     }
   }
   return data;

src/plugins/grass/qgsgrassmodule.cpp

@@ -563,7 +563,7 @@ void QgsGrassModuleStandardOptions::freezeOutput()
 #ifdef WIN32
   for ( unsigned int i = 0; i < mItems.size(); i++ )
   {
-    QgsGrassModuleOption *opt = qobject_cast<QgsGrassModuleOption *>( mItems[i] );
+    QgsGrassModuleOption *opt = dynamic_cast<QgsGrassModuleOption *>( mItems[i] );
     if ( !opt )
       continue;
 
@@ -632,7 +632,7 @@ void QgsGrassModuleStandardOptions::thawOutput()
 #ifdef WIN32
   for ( unsigned int i = 0; i < mItems.size(); i++ )
   {
-    QgsGrassModuleOption *opt = qobject_cast<QgsGrassModuleOption *>( mItems[i] );
+    QgsGrassModuleOption *opt = dynamic_cast<QgsGrassModuleOption *>( mItems[i] );
     if ( !opt )
       continue;
 

src/providers/ogr/qgsogrprovider.cpp

@@ -168,8 +168,7 @@ QgsOgrProvider::QgsOgrProvider( QString const & uri )
   else
   {
     QgsLogger::critical( "Data source is invalid" );
-    const char *er = CPLGetLastErrorMsg();
-    QgsLogger::critical( er );
+    QgsLogger::critical( QString::fromUtf8( CPLGetLastErrorMsg() ) );
     valid = false;
   }