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fix clipping regression on line patterns #2897 (proper tests depend on 2896)

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This commit is contained in:
Dane Springmeyer 2015-06-08 19:01:16 -07:00
parent 66efe02224
commit 32d925b965
1 changed files with 6 additions and 4 deletions
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10
src/agg/process_line_pattern_symbolizer.cpp
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@ -108,7 +108,9 @@ struct agg_renderer_process_visitor_l
pattern_source source(image, opacity); pattern_source source(image, opacity);
pattern_type pattern (filter,source); pattern_type pattern (filter,source);
renderer_type ren(ren_base, pattern); renderer_type ren(ren_base, pattern);
ren.clip_box(0,0,common_.width_,common_.height_); double half_stroke = std::max(marker.width()/2.0,marker.height()/2.0);
int rast_clip_padding = static_cast<int>(std::round(half_stroke));
ren.clip_box(-rast_clip_padding,-rast_clip_padding,common_.width_+rast_clip_padding,common_.height_+rast_clip_padding);
rasterizer_type ras(ren); rasterizer_type ras(ren);
agg::trans_affine tr; agg::trans_affine tr;
@ -119,7 +121,6 @@ struct agg_renderer_process_visitor_l
if (clip) if (clip)
{ {
double padding = (double)(common_.query_extent_.width()/pixmap_.width()); double padding = (double)(common_.query_extent_.width()/pixmap_.width());
double half_stroke = marker.width()/2.0;
if (half_stroke > 1) if (half_stroke > 1)
padding *= half_stroke; padding *= half_stroke;
if (std::fabs(offset) > 0) if (std::fabs(offset) > 0)
@ -177,7 +178,9 @@ struct agg_renderer_process_visitor_l
pattern_source source(image, opacity); pattern_source source(image, opacity);
pattern_type pattern (filter,source); pattern_type pattern (filter,source);
renderer_type ren(ren_base, pattern); renderer_type ren(ren_base, pattern);
ren.clip_box(0,0,common_.width_,common_.height_); double half_stroke = std::max(marker.width()/2.0,marker.height()/2.0);
int rast_clip_padding = static_cast<int>(std::round(half_stroke));
ren.clip_box(-rast_clip_padding,-rast_clip_padding,common_.width_+rast_clip_padding,common_.height_+rast_clip_padding);
rasterizer_type ras(ren); rasterizer_type ras(ren);
agg::trans_affine tr; agg::trans_affine tr;
@ -188,7 +191,6 @@ struct agg_renderer_process_visitor_l
if (clip) if (clip)
{ {
double padding = (double)(common_.query_extent_.width()/pixmap_.width()); double padding = (double)(common_.query_extent_.width()/pixmap_.width());
double half_stroke = marker.width()/2.0;
if (half_stroke > 1) if (half_stroke > 1)
padding *= half_stroke; padding *= half_stroke;
if (std::fabs(offset) > 0) if (std::fabs(offset) > 0)