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expand clipping box for lines to avoid trimmed edges - TODO - make sensitive to line width - refs #1215

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This commit is contained in:
Dane Springmeyer 2012-06-15 15:37:08 -04:00
parent c113fa8adb
commit 00853a118c
1 changed files with 4 additions and 2 deletions
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6
src/agg/process_line_symbolizer.cpp
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@ -79,6 +79,8 @@ void agg_renderer<T>::process(line_symbolizer const& sym,
agg::trans_affine tr;
evaluate_transform(tr, *feature, sym.get_transform());
box2d<double> ext = query_extent_ * 1.1;
if (sym.get_rasterizer() == RASTERIZER_FAST)
{
typedef agg::renderer_outline_aa<renderer_base> renderer_type;
@ -94,7 +96,7 @@ void agg_renderer<T>::process(line_symbolizer const& sym,
typedef boost::mpl::vector<clip_line_tag,transform_tag, offset_transform_tag, affine_transform_tag, smooth_tag, dash_tag, stroke_tag> conv_types;
vertex_converter<box2d<double>, rasterizer_type, line_symbolizer,
CoordTransform, proj_transform, agg::trans_affine, conv_types>
converter(query_extent_,ras,sym,t_,prj_trans,tr,scaled);
converter(ext,ras,sym,t_,prj_trans,tr,scaled);
if (sym.clip()) converter.set<clip_line_tag>(); // optional clip (default: true)
converter.set<transform_tag>(); // always transform
@ -117,7 +119,7 @@ void agg_renderer<T>::process(line_symbolizer const& sym,
typedef boost::mpl::vector<clip_line_tag,transform_tag, offset_transform_tag, affine_transform_tag, smooth_tag, dash_tag, stroke_tag> conv_types;
vertex_converter<box2d<double>, rasterizer, line_symbolizer,
CoordTransform, proj_transform, agg::trans_affine, conv_types>
converter(query_extent_,*ras_ptr,sym,t_,prj_trans,tr,scale_factor_);
converter(ext,*ras_ptr,sym,t_,prj_trans,tr,scale_factor_);
if (sym.clip()) converter.set<clip_line_tag>(); // optional clip (default: true)
converter.set<transform_tag>(); // always transform