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Fix for bug grid annotation distance to map frame (#2899)

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git-svn-id: http://svn.osgeo.org/qgis/trunk@15720 c8812cc2-4d05-0410-92ff-de0c093fc19c
This commit is contained in:
mhugent 2011-04-16 08:34:02 +00:00
parent 136b608d5c
commit 09aa281719
4 changed files with 18 additions and 2 deletions
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4
python/core/qgscomposeritem.sip
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@ -226,6 +226,10 @@ class QgsComposerItem: QObject, QGraphicsRectItem
/**Returns the font width in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE*/
double textWidthMillimeters( const QFont& font, const QString& text ) const;
/**Returns the font height of a character in millimeters
@note this method was added in version 1.7*/
double fontHeightCharacterMM( const QFont& font, const QChar& c ) const;
/**Returns the font ascent in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE*/
double fontAscentMillimeters( const QFont& font ) const;

7
src/core/composer/qgscomposeritem.cpp
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@ -803,6 +803,13 @@ double QgsComposerItem::textWidthMillimeters( const QFont& font, const QString&
return ( fontMetrics.width( text ) / FONT_WORKAROUND_SCALE );
}
double QgsComposerItem::fontHeightCharacterMM( const QFont& font, const QChar& c ) const
{
QFont metricsFont = scaledFontPixelSize( font );
QFontMetricsF fontMetrics( metricsFont );
return ( fontMetrics.boundingRect( c ).height() / FONT_WORKAROUND_SCALE );
}
double QgsComposerItem::fontAscentMillimeters( const QFont& font ) const
{
QFont metricsFont = scaledFontPixelSize( font );

6
src/core/composer/qgscomposeritem.h
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@ -187,9 +187,13 @@ class CORE_EXPORT QgsComposerItem: public QObject, public QGraphicsRectItem
/**Like the above, but with a rectangle for multiline text*/
void drawText( QPainter* p, const QRectF& rect, const QString& text, const QFont& font, Qt::AlignmentFlag halignement = Qt::AlignLeft, Qt::AlignmentFlag valignement = Qt::AlignTop ) const;
/**Returns the font width in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE*/
/**Returns the font width in millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE*/
double textWidthMillimeters( const QFont& font, const QString& text ) const;
/**Returns the font height of a character in millimeters
@note this method was added in version 1.7*/
double fontHeightCharacterMM( const QFont& font, const QChar& c ) const;
/**Returns the font ascent in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE*/
double fontAscentMillimeters( const QFont& font ) const;

3
src/core/composer/qgscomposermap.cpp
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@ -947,7 +947,8 @@ void QgsComposerMap::drawCoordinateAnnotation( QPainter* p, const QPointF& pos,
{
Border frameBorder = borderForLineCoord( pos );
double textWidth = textWidthMillimeters( mGridAnnotationFont, annotationString );
double textHeight = fontAscentMillimeters( mGridAnnotationFont );
//relevant for annotations is the height of digits
double textHeight = fontHeightCharacterMM( mGridAnnotationFont, QChar( '0' ) );
double xpos = pos.x();
double ypos = pos.y();
int rotation = 0;