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Always place text at the same side of a line.

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Fixes #608.
This commit is contained in:
Hermann Kraus 2012-03-20 23:50:20 +01:00
parent eac133952c
commit 8b5e5fbb64
1 changed files with 12 additions and 3 deletions
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15
src/placement_finder.cpp
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@ -660,15 +660,24 @@ void placement_finder<DetectorT>::find_line_placements(PathT & shape_path)
double anglesum = 0;
for (unsigned i = 0; i < current_placement->nodes_.size(); i++)
{
anglesum += current_placement->nodes_[i].angle;
double angle = current_placement->nodes_[i].angle;
//Normalize angle in range -PI ... PI
while (angle > M_PI) {
angle -= 2*M_PI;
}
anglesum += angle;
}
anglesum /= current_placement->nodes_.size(); //Now it is angle average
double cosa = orientation * cos(anglesum);
double sina = orientation * sin(anglesum);
//Offset all the characters by this angle
for (unsigned i = 0; i < current_placement->nodes_.size(); i++)
{
current_placement->nodes_[i].pos.x += pi.get_scale_factor() * displacement*cos(anglesum+M_PI/2);
current_placement->nodes_[i].pos.y += pi.get_scale_factor() * displacement*sin(anglesum+M_PI/2);
current_placement->nodes_[i].pos.x -=
pi.get_scale_factor() * displacement * sina;
current_placement->nodes_[i].pos.y +=
pi.get_scale_factor() * displacement * cosa;
}
}