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Support libzint >= 2.15 (#225,#222,#186))

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- Update libzint support for 2.15 as new baseline version, removing support for earlier versions, avoiding '#ifdef'-hell
- Based on #186

---------

Co-authored-by: gitlost <burmartke@gmail.com>
This commit is contained in:
Jaye Evins
2025-08-16 17:00:14 -04:00
committed by GitHub
parent fa96cc5a17
commit 0e7049ed73
19 changed files with 957 additions and 162 deletions
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glbarcode/QtRenderer.cpp
+13 -4
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@@ -30,6 +30,7 @@
namespace
{
const double FONT_SCALE = 0.75;
const double MIN_POINT_SIZE = 0.4; // Less than ~0.37 causes issues for QFontMetricsF
}
@@ -122,7 +123,7 @@ namespace glbarcode
}
void QtRenderer::drawText( double x, double y, double size, const std::string& text )
void QtRenderer::drawText( double x, double y, double size, const std::string& text, HAlign halign )
{
if ( d->painter )
{
@@ -131,10 +132,18 @@ namespace glbarcode
QFont font;
font.setStyleHint( QFont::Monospace );
font.setFamily( "monospace" );
font.setPointSizeF( FONT_SCALE*size );
font.setPointSizeF( std::max( FONT_SCALE*size, MIN_POINT_SIZE ) );
QFontMetricsF fm( font );
double xCorner = x - fm.horizontalAdvance( QString::fromStdString(text) )/2.0;
double xCorner = x;
if ( halign == H_ALIGN_CENTER )
{
xCorner -= fm.horizontalAdvance( QString::fromStdString(text) )/2.0;
}
else if ( halign == H_ALIGN_RIGHT )
{
xCorner -= fm.horizontalAdvance( QString::fromStdString(text) );
}
double yCorner = y - fm.ascent();
QTextLayout layout( QString::fromStdString(text), font );
@@ -151,7 +160,7 @@ namespace glbarcode
if ( d->painter )
{
d->painter->setPen( QPen( d->color, w ) );
d->painter->setBrush( Qt::NoBrush );
d->painter->setBrush( w ? Qt::NoBrush : QBrush( d->color ) );
d->painter->drawEllipse( QPointF(x, y), r, r );
}