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Implement continuous tape labels and path-based label shapes.

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- Added "roll" as a special paper id
- Added roll_width attribute to draw tape in previews
- Updated Brother QL-500/* label templates
- Preserve print dialog settings between print jobs.
- Added path based labels for arbitrary shaped labels.
- Fleshed out implementation of continuous labels.
This commit is contained in:
Jim Evins
2018-08-11 14:05:26 -04:00
parent b9a1f2e150
commit 467ca9fc62
135 changed files with 41934 additions and 13681 deletions
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model/XmlUtil.cpp
+188
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@@ -325,6 +325,149 @@ namespace glabels
}
Units XmlUtil::getUnitsAttr( const QDomElement& node,
const QString& name,
const Units& default_value )
{
init();
QString valueString = node.attribute( name, "" );
if ( valueString != "" )
{
return Units( valueString );
}
return default_value;
}
QPainterPath XmlUtil::getPathDataAttr( const QDomElement& node,
const QString& name,
const Units& units )
{
init();
QPainterPath d;
//
// Simple path data parser
//
QStringList tokens = node.attribute( name, "" ).split( " ", QString::SkipEmptyParts );
enum { CMD, MX, MY, MDX, MDY, LX, LY, LDX, LDY, HX, HDX, VY, VDY } state = CMD;
Distance x = 0;
Distance y = 0;
Distance dx = 0;
Distance dy = 0;
QPointF c;
for ( unsigned int i = 0; i < tokens.size(); i++ )
{
switch (state)
{
case CMD:
switch (tokens[i][0].unicode())
{
case 'M':
state = MX;
break;
case 'm':
state = MDX;
break;
case 'L':
state = LX;
break;
case 'l':
state = LDX;
break;
case 'H':
state = HX;
break;
case 'h':
state = HDX;
break;
case 'V':
state = VY;
break;
case 'v':
state = VDY;
break;
case 'Z':
case 'z':
d.closeSubpath();
state = CMD;
break;
}
break;
case MX:
x = Distance( tokens[i].toDouble(), units );
state = MY;
break;
case MY:
y = Distance( tokens[i].toDouble(), units );
d.moveTo( x.pt(), y.pt() );
state = CMD;
break;
case MDX:
dx = Distance( tokens[i].toDouble(), units );
state = MDY;
break;
case MDY:
dy = Distance( tokens[i].toDouble(), units );
c = d.currentPosition();
d.moveTo( c.x()+x.pt(), c.y()+y.pt() );
state = CMD;
break;
case LX:
x = Distance( tokens[i].toDouble(), units );
state = LY;
break;
case LY:
y = Distance( tokens[i].toDouble(), units );
d.lineTo( x.pt(), y.pt() );
state = CMD;
break;
case LDX:
dx = Distance( tokens[i].toDouble(), units );
state = LDY;
break;
case LDY:
dy = Distance( tokens[i].toDouble(), units );
c = d.currentPosition();
d.lineTo( c.x()+dx.pt(), c.y()+dy.pt() );
state = CMD;
break;
case HX:
x = Distance( tokens[i].toDouble(), units );
c = d.currentPosition();
d.lineTo( x.pt(), c.y() );
state = CMD;
break;
case HDX:
dx = Distance( tokens[i].toDouble(), units );
c = d.currentPosition();
d.lineTo( c.x()+dx.pt(), c.y() );
state = CMD;
break;
case VY:
y = Distance( tokens[i].toDouble(), units );
c = d.currentPosition();
d.lineTo( c.x(), y.pt() );
state = CMD;
break;
case VDY:
dy = Distance( tokens[i].toDouble(), units );
c = d.currentPosition();
d.lineTo( c.x(), c.y()+dy.pt() );
state = CMD;
break;
}
}
return d;
}
void XmlUtil::setStringAttr( QDomElement& node,
const QString& name,
const QString& value )
@@ -456,5 +599,50 @@ namespace glabels
}
void XmlUtil::setUnitsAttr( QDomElement& node,
const QString& name,
const Units& value )
{
node.setAttribute( name, value.toIdString() );
}
void XmlUtil::setPathDataAttr( QDomElement& node,
const QString& name,
const QPainterPath& path,
const Units& units )
{
QString pathString;
for ( int i = 0; i < path.elementCount(); i++ )
{
auto element = path.elementAt( i );
// QPainterPath is natively in pts
Distance x = Distance::pt( element.x );
Distance y = Distance::pt( element.y );
// Translate desired units for path data
double xValue = x.inUnits( units );
double yValue = y.inUnits( units );
if ( element.isMoveTo() )
{
pathString.append( QString( "M %1 %2" ).arg( xValue ).arg( yValue ) );
}
else if ( element.isLineTo() )
{
pathString.append( QString( "L %1 %2" ).arg( xValue ).arg( yValue ) );
}
if ( i < (path.elementCount() - 1) )
{
pathString.append( " " );
}
}
node.setAttribute( name, pathString );
}
}
}