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Correctly draw rotated labels.

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Jim Evins
2015-08-11 12:43:14 -04:00
parent 9bebf921b2
commit de8ec9b66a
7 changed files with 55 additions and 22 deletions
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libglabels/FrameCd.cpp
+40 -13
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@@ -68,22 +68,49 @@ namespace libglabels
void FrameCd::initPath()
{
// Outer path (may be clipped in the case business card type CD)
double theta1 = acos( w() / (2*mR1) ) * 180/M_PI;
double theta2 = asin( h() / (2*mR1) ) * 180/M_PI;
//
// First the un-rotated path
//
{
// Outer path (may be clipped in the case business card type CD)
double theta1 = acos( w() / (2*mR1) ) * 180/M_PI;
double theta2 = asin( h() / (2*mR1) ) * 180/M_PI;
mPath.arcMoveTo( 0, 0, 2*mR1, 2*mR1, theta1 );
mPath.arcTo( 0, 0, 2*mR1, 2*mR1, theta1, theta2-theta1 );
mPath.arcTo( 0, 0, 2*mR1, 2*mR1, 180-theta2, theta2-theta1 );
mPath.arcTo( 0, 0, 2*mR1, 2*mR1, 180+theta1, theta2-theta1 );
mPath.arcTo( 0, 0, 2*mR1, 2*mR1, 360-theta2, theta2-theta1 );
mPath.closeSubpath();
mPath.arcMoveTo( 0, 0, 2*mR1, 2*mR1, theta1 );
mPath.arcTo( 0, 0, 2*mR1, 2*mR1, theta1, theta2-theta1 );
mPath.arcTo( 0, 0, 2*mR1, 2*mR1, 180-theta2, theta2-theta1 );
mPath.arcTo( 0, 0, 2*mR1, 2*mR1, 180+theta1, theta2-theta1 );
mPath.arcTo( 0, 0, 2*mR1, 2*mR1, 360-theta2, theta2-theta1 );
mPath.closeSubpath();
// Inner path (hole)
mPath.addEllipse( mR1-mR2, mR1-mR2, 2*mR2, 2*mR2 );
// Inner path (hole)
mPath.addEllipse( mR1-mR2, mR1-mR2, 2*mR2, 2*mR2 );
// Translate to account for offset with clipped business card CDs (applies to element already drawn)
mPath.translate( w()/2 - mR1, h()/2 - mR1 );
// Translate to account for offset with clipped business card CDs
mPath.translate( w()/2 - mR1, h()/2 - mR1 );
}
//
// Next, the rotated path
//
{
// Outer path (may be clipped in the case business card type CD)
double theta1 = acos( h() / (2*mR1) ) * 180/M_PI;
double theta2 = asin( w() / (2*mR1) ) * 180/M_PI;
mRotatedPath.arcMoveTo( 0, 0, 2*mR1, 2*mR1, theta1 );
mRotatedPath.arcTo( 0, 0, 2*mR1, 2*mR1, theta1, theta2-theta1 );
mRotatedPath.arcTo( 0, 0, 2*mR1, 2*mR1, 180-theta2, theta2-theta1 );
mRotatedPath.arcTo( 0, 0, 2*mR1, 2*mR1, 180+theta1, theta2-theta1 );
mRotatedPath.arcTo( 0, 0, 2*mR1, 2*mR1, 360-theta2, theta2-theta1 );
mRotatedPath.closeSubpath();
// Inner path (hole)
mRotatedPath.addEllipse( mR1-mR2, mR1-mR2, 2*mR2, 2*mR2 );
// Translate to account for offset with clipped business card CDs
mRotatedPath.translate( h()/2 - mR1, w()/2 - mR1 );
}
}