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Correctly handle invalid barcode data cases in label editor.

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This commit is contained in:
Jim Evins
2017-05-13 15:37:16 -04:00
parent 276756a317
commit 446d580f13
3 changed files with 52 additions and 46 deletions
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glabels/LabelModelBarcodeObject.cpp
+49 -44
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@@ -348,64 +348,33 @@ namespace glabels
///
/// Draw text in editor from cached information
/// Draw barcode in editor from cached information
///
void LabelModelBarcodeObject::drawBcInEditor( QPainter* painter, const QColor& color ) const
{
painter->setPen( QPen( color ) );
if ( mEditorBarcode->isDataValid() )
if ( mBcData.isEmpty() )
{
drawPlaceHolder( painter, color, tr("No barcode data") );
}
else if ( mBcData.hasPlaceHolders() )
{
drawPlaceHolder( painter, color, mBcData.toString() );
}
else if ( mEditorBarcode->isDataValid() )
{
painter->setPen( QPen( color ) );
glbarcode::QtRenderer renderer(painter);
mEditorBarcode->render( renderer );
}
else
{
QString text;
if ( mBcData.isEmpty() )
{
text = tr("No barcode data");
}
else if ( mBcData.hasPlaceHolders() )
{
text = mBcData.toString();
}
else
{
text = tr("Invalid barcode data");
}
painter->setPen( Qt::NoPen );
painter->setBrush( QBrush( emptyFillColor ) );
painter->drawRect( QRectF( 0, 0, mW.pt(), mH.pt() ) );
QFont font( "Sans" );
font.setPointSizeF( 6 );
QFontMetricsF fm(font);
QRectF textRect = fm.boundingRect( text );
double wPts = (mW - 2*pad).pt();
double hPts = (mH - 2*pad).pt();
if ( (wPts < textRect.width()) || (hPts < textRect.height()) )
{
double scaleX = wPts / textRect.width();
double scaleY = hPts / textRect.height();
font.setPointSizeF( 6 * std::min( scaleX, scaleY ) );
}
painter->setFont( font );
painter->setPen( QPen( color ) );
painter->drawText( QRectF( 0, 0, mW.pt(), mH.pt() ),
Qt::AlignCenter,
text );
drawPlaceHolder( painter, color, tr("Invalid barcode data") );
}
}
///
/// Draw text in final printout or preview
/// Draw barcode in final printout or preview
///
void
LabelModelBarcodeObject::drawBc( QPainter* painter,
@@ -424,4 +393,40 @@ namespace glabels
bc->render( renderer );
}
///
/// Draw place holder in editor
///
void
LabelModelBarcodeObject::drawPlaceHolder( QPainter* painter,
const QColor& color,
const QString& text ) const
{
painter->setPen( Qt::NoPen );
painter->setBrush( QBrush( emptyFillColor ) );
painter->drawRect( QRectF( 0, 0, mW.pt(), mH.pt() ) );
QFont font( "Sans" );
font.setPointSizeF( 6 );
QFontMetricsF fm(font);
QRectF textRect = fm.boundingRect( text );
double wPts = (mW - 2*pad).pt();
double hPts = (mH - 2*pad).pt();
if ( (wPts < textRect.width()) || (hPts < textRect.height()) )
{
double scaleX = wPts / textRect.width();
double scaleY = hPts / textRect.height();
font.setPointSizeF( 6 * std::min( scaleX, scaleY ) );
}
painter->setFont( font );
painter->setPen( QPen( color ) );
painter->drawText( QRectF( 0, 0, mW.pt(), mH.pt() ),
Qt::AlignCenter,
text );
}
} // namespace glabels