sij/mapnik
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Calculate exact bounding boxes for GlyphSymbolizer.

Browse source
This commit is contained in:
Hermann Kraus 2010-08-13 00:51:58 +00:00
parent 7fea0f7a6c
commit b6f839b0f1
1 changed files with 1 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
src/agg/process_glyph_symbolizer.cpp
View file

@ -76,10 +76,7 @@ void agg_renderer<T>::process(glyph_symbolizer const& sym,
// Prepare glyphs to set internal state and calculate the marker's // Prepare glyphs to set internal state and calculate the marker's
// final box so we can check for a valid placement // final box so we can check for a valid placement
box2d<double> dim = ren.prepare_glyphs(path.get()); box2d<double> dim = ren.prepare_glyphs(path.get());
double bsize = (dim.width()>dim.height()?dim.width():dim.height())/2; box2d<double> ext(x-dim.width()/2, y-dim.height()/2, x+dim.width()/2, y+dim.height()/2);
box2d<double> ext(
floor(x-bsize), floor(y-bsize), ceil(x+bsize), ceil(y+bsize)
);
if ((sym.get_allow_overlap() || detector_.has_placement(ext)) && if ((sym.get_allow_overlap() || detector_.has_placement(ext)) &&
(!sym.get_avoid_edges() || detector_.extent().contains(ext))) (!sym.get_avoid_edges() || detector_.extent().contains(ext)))
{ {